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mirror of https://github.com/cwinfo/matterbridge.git synced 2024-11-26 03:11:37 +00:00

Update vendor

This commit is contained in:
Wim 2017-03-25 20:45:10 +01:00
parent be15cc8a36
commit 07fd825349
250 changed files with 125316 additions and 703 deletions

64
vendor/github.com/Sirupsen/logrus/alt_exit.go generated vendored Normal file
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@ -0,0 +1,64 @@
package logrus
// The following code was sourced and modified from the
// https://github.com/tebeka/atexit package governed by the following license:
//
// Copyright (c) 2012 Miki Tebeka <miki.tebeka@gmail.com>.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
import (
"fmt"
"os"
)
var handlers = []func(){}
func runHandler(handler func()) {
defer func() {
if err := recover(); err != nil {
fmt.Fprintln(os.Stderr, "Error: Logrus exit handler error:", err)
}
}()
handler()
}
func runHandlers() {
for _, handler := range handlers {
runHandler(handler)
}
}
// Exit runs all the Logrus atexit handlers and then terminates the program using os.Exit(code)
func Exit(code int) {
runHandlers()
os.Exit(code)
}
// RegisterExitHandler adds a Logrus Exit handler, call logrus.Exit to invoke
// all handlers. The handlers will also be invoked when any Fatal log entry is
// made.
//
// This method is useful when a caller wishes to use logrus to log a fatal
// message but also needs to gracefully shutdown. An example usecase could be
// closing database connections, or sending a alert that the application is
// closing.
func RegisterExitHandler(handler func()) {
handlers = append(handlers, handler)
}

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@ -3,11 +3,21 @@ package logrus
import ( import (
"bytes" "bytes"
"fmt" "fmt"
"io"
"os" "os"
"sync"
"time" "time"
) )
var bufferPool *sync.Pool
func init() {
bufferPool = &sync.Pool{
New: func() interface{} {
return new(bytes.Buffer)
},
}
}
// Defines the key when adding errors using WithError. // Defines the key when adding errors using WithError.
var ErrorKey = "error" var ErrorKey = "error"
@ -29,6 +39,9 @@ type Entry struct {
// Message passed to Debug, Info, Warn, Error, Fatal or Panic // Message passed to Debug, Info, Warn, Error, Fatal or Panic
Message string Message string
// When formatter is called in entry.log(), an Buffer may be set to entry
Buffer *bytes.Buffer
} }
func NewEntry(logger *Logger) *Entry { func NewEntry(logger *Logger) *Entry {
@ -39,21 +52,15 @@ func NewEntry(logger *Logger) *Entry {
} }
} }
// Returns a reader for the entry, which is a proxy to the formatter.
func (entry *Entry) Reader() (*bytes.Buffer, error) {
serialized, err := entry.Logger.Formatter.Format(entry)
return bytes.NewBuffer(serialized), err
}
// Returns the string representation from the reader and ultimately the // Returns the string representation from the reader and ultimately the
// formatter. // formatter.
func (entry *Entry) String() (string, error) { func (entry *Entry) String() (string, error) {
reader, err := entry.Reader() serialized, err := entry.Logger.Formatter.Format(entry)
if err != nil { if err != nil {
return "", err return "", err
} }
str := string(serialized)
return reader.String(), err return str, nil
} }
// Add an error as single field (using the key defined in ErrorKey) to the Entry. // Add an error as single field (using the key defined in ErrorKey) to the Entry.
@ -81,6 +88,7 @@ func (entry *Entry) WithFields(fields Fields) *Entry {
// This function is not declared with a pointer value because otherwise // This function is not declared with a pointer value because otherwise
// race conditions will occur when using multiple goroutines // race conditions will occur when using multiple goroutines
func (entry Entry) log(level Level, msg string) { func (entry Entry) log(level Level, msg string) {
var buffer *bytes.Buffer
entry.Time = time.Now() entry.Time = time.Now()
entry.Level = level entry.Level = level
entry.Message = msg entry.Message = msg
@ -90,20 +98,23 @@ func (entry Entry) log(level Level, msg string) {
fmt.Fprintf(os.Stderr, "Failed to fire hook: %v\n", err) fmt.Fprintf(os.Stderr, "Failed to fire hook: %v\n", err)
entry.Logger.mu.Unlock() entry.Logger.mu.Unlock()
} }
buffer = bufferPool.Get().(*bytes.Buffer)
reader, err := entry.Reader() buffer.Reset()
defer bufferPool.Put(buffer)
entry.Buffer = buffer
serialized, err := entry.Logger.Formatter.Format(&entry)
entry.Buffer = nil
if err != nil { if err != nil {
entry.Logger.mu.Lock() entry.Logger.mu.Lock()
fmt.Fprintf(os.Stderr, "Failed to obtain reader, %v\n", err) fmt.Fprintf(os.Stderr, "Failed to obtain reader, %v\n", err)
entry.Logger.mu.Unlock() entry.Logger.mu.Unlock()
} } else {
entry.Logger.mu.Lock()
entry.Logger.mu.Lock() _, err = entry.Logger.Out.Write(serialized)
defer entry.Logger.mu.Unlock() if err != nil {
fmt.Fprintf(os.Stderr, "Failed to write to log, %v\n", err)
_, err = io.Copy(entry.Logger.Out, reader) }
if err != nil { entry.Logger.mu.Unlock()
fmt.Fprintf(os.Stderr, "Failed to write to log, %v\n", err)
} }
// To avoid Entry#log() returning a value that only would make sense for // To avoid Entry#log() returning a value that only would make sense for
@ -150,7 +161,7 @@ func (entry *Entry) Fatal(args ...interface{}) {
if entry.Logger.Level >= FatalLevel { if entry.Logger.Level >= FatalLevel {
entry.log(FatalLevel, fmt.Sprint(args...)) entry.log(FatalLevel, fmt.Sprint(args...))
} }
os.Exit(1) Exit(1)
} }
func (entry *Entry) Panic(args ...interface{}) { func (entry *Entry) Panic(args ...interface{}) {
@ -198,7 +209,7 @@ func (entry *Entry) Fatalf(format string, args ...interface{}) {
if entry.Logger.Level >= FatalLevel { if entry.Logger.Level >= FatalLevel {
entry.Fatal(fmt.Sprintf(format, args...)) entry.Fatal(fmt.Sprintf(format, args...))
} }
os.Exit(1) Exit(1)
} }
func (entry *Entry) Panicf(format string, args ...interface{}) { func (entry *Entry) Panicf(format string, args ...interface{}) {
@ -245,7 +256,7 @@ func (entry *Entry) Fatalln(args ...interface{}) {
if entry.Logger.Level >= FatalLevel { if entry.Logger.Level >= FatalLevel {
entry.Fatal(entry.sprintlnn(args...)) entry.Fatal(entry.sprintlnn(args...))
} }
os.Exit(1) Exit(1)
} }
func (entry *Entry) Panicln(args ...interface{}) { func (entry *Entry) Panicln(args ...interface{}) {

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@ -2,6 +2,7 @@ package main
import ( import (
"github.com/Sirupsen/logrus" "github.com/Sirupsen/logrus"
// "os"
) )
var log = logrus.New() var log = logrus.New()
@ -9,6 +10,14 @@ var log = logrus.New()
func init() { func init() {
log.Formatter = new(logrus.JSONFormatter) log.Formatter = new(logrus.JSONFormatter)
log.Formatter = new(logrus.TextFormatter) // default log.Formatter = new(logrus.TextFormatter) // default
// file, err := os.OpenFile("logrus.log", os.O_CREATE|os.O_WRONLY, 0666)
// if err == nil {
// log.Out = file
// } else {
// log.Info("Failed to log to file, using default stderr")
// }
log.Level = logrus.DebugLevel log.Level = logrus.DebugLevel
} }

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@ -31,18 +31,15 @@ type Formatter interface {
// It's not exported because it's still using Data in an opinionated way. It's to // It's not exported because it's still using Data in an opinionated way. It's to
// avoid code duplication between the two default formatters. // avoid code duplication between the two default formatters.
func prefixFieldClashes(data Fields) { func prefixFieldClashes(data Fields) {
_, ok := data["time"] if t, ok := data["time"]; ok {
if ok { data["fields.time"] = t
data["fields.time"] = data["time"]
} }
_, ok = data["msg"] if m, ok := data["msg"]; ok {
if ok { data["fields.msg"] = m
data["fields.msg"] = data["msg"]
} }
_, ok = data["level"] if l, ok := data["level"]; ok {
if ok { data["fields.level"] = l
data["fields.level"] = data["level"]
} }
} }

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@ -1,61 +0,0 @@
package logstash
import (
"encoding/json"
"fmt"
"github.com/Sirupsen/logrus"
)
// Formatter generates json in logstash format.
// Logstash site: http://logstash.net/
type LogstashFormatter struct {
Type string // if not empty use for logstash type field.
// TimestampFormat sets the format used for timestamps.
TimestampFormat string
}
func (f *LogstashFormatter) Format(entry *logrus.Entry) ([]byte, error) {
fields := make(logrus.Fields)
for k, v := range entry.Data {
fields[k] = v
}
fields["@version"] = 1
if f.TimestampFormat == "" {
f.TimestampFormat = logrus.DefaultTimestampFormat
}
fields["@timestamp"] = entry.Time.Format(f.TimestampFormat)
// set message field
v, ok := entry.Data["message"]
if ok {
fields["fields.message"] = v
}
fields["message"] = entry.Message
// set level field
v, ok = entry.Data["level"]
if ok {
fields["fields.level"] = v
}
fields["level"] = entry.Level.String()
// set type field
if f.Type != "" {
v, ok = entry.Data["type"]
if ok {
fields["fields.type"] = v
}
fields["type"] = f.Type
}
serialized, err := json.Marshal(fields)
if err != nil {
return nil, fmt.Errorf("Failed to marshal fields to JSON, %v", err)
}
return append(serialized, '\n'), nil
}

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@ -5,9 +5,40 @@ import (
"fmt" "fmt"
) )
type fieldKey string
type FieldMap map[fieldKey]string
const (
FieldKeyMsg = "msg"
FieldKeyLevel = "level"
FieldKeyTime = "time"
)
func (f FieldMap) resolve(key fieldKey) string {
if k, ok := f[key]; ok {
return k
}
return string(key)
}
type JSONFormatter struct { type JSONFormatter struct {
// TimestampFormat sets the format used for marshaling timestamps. // TimestampFormat sets the format used for marshaling timestamps.
TimestampFormat string TimestampFormat string
// DisableTimestamp allows disabling automatic timestamps in output
DisableTimestamp bool
// FieldMap allows users to customize the names of keys for various fields.
// As an example:
// formatter := &JSONFormatter{
// FieldMap: FieldMap{
// FieldKeyTime: "@timestamp",
// FieldKeyLevel: "@level",
// FieldKeyLevel: "@message",
// },
// }
FieldMap FieldMap
} }
func (f *JSONFormatter) Format(entry *Entry) ([]byte, error) { func (f *JSONFormatter) Format(entry *Entry) ([]byte, error) {
@ -29,9 +60,11 @@ func (f *JSONFormatter) Format(entry *Entry) ([]byte, error) {
timestampFormat = DefaultTimestampFormat timestampFormat = DefaultTimestampFormat
} }
data["time"] = entry.Time.Format(timestampFormat) if !f.DisableTimestamp {
data["msg"] = entry.Message data[f.FieldMap.resolve(FieldKeyTime)] = entry.Time.Format(timestampFormat)
data["level"] = entry.Level.String() }
data[f.FieldMap.resolve(FieldKeyMsg)] = entry.Message
data[f.FieldMap.resolve(FieldKeyLevel)] = entry.Level.String()
serialized, err := json.Marshal(data) serialized, err := json.Marshal(data)
if err != nil { if err != nil {

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@ -26,8 +26,31 @@ type Logger struct {
// to) `logrus.Info`, which allows Info(), Warn(), Error() and Fatal() to be // to) `logrus.Info`, which allows Info(), Warn(), Error() and Fatal() to be
// logged. `logrus.Debug` is useful in // logged. `logrus.Debug` is useful in
Level Level Level Level
// Used to sync writing to the log. // Used to sync writing to the log. Locking is enabled by Default
mu sync.Mutex mu MutexWrap
// Reusable empty entry
entryPool sync.Pool
}
type MutexWrap struct {
lock sync.Mutex
disabled bool
}
func (mw *MutexWrap) Lock() {
if !mw.disabled {
mw.lock.Lock()
}
}
func (mw *MutexWrap) Unlock() {
if !mw.disabled {
mw.lock.Unlock()
}
}
func (mw *MutexWrap) Disable() {
mw.disabled = true
} }
// Creates a new logger. Configuration should be set by changing `Formatter`, // Creates a new logger. Configuration should be set by changing `Formatter`,
@ -51,162 +74,235 @@ func New() *Logger {
} }
} }
// Adds a field to the log entry, note that you it doesn't log until you call func (logger *Logger) newEntry() *Entry {
entry, ok := logger.entryPool.Get().(*Entry)
if ok {
return entry
}
return NewEntry(logger)
}
func (logger *Logger) releaseEntry(entry *Entry) {
logger.entryPool.Put(entry)
}
// Adds a field to the log entry, note that it doesn't log until you call
// Debug, Print, Info, Warn, Fatal or Panic. It only creates a log entry. // Debug, Print, Info, Warn, Fatal or Panic. It only creates a log entry.
// If you want multiple fields, use `WithFields`. // If you want multiple fields, use `WithFields`.
func (logger *Logger) WithField(key string, value interface{}) *Entry { func (logger *Logger) WithField(key string, value interface{}) *Entry {
return NewEntry(logger).WithField(key, value) entry := logger.newEntry()
defer logger.releaseEntry(entry)
return entry.WithField(key, value)
} }
// Adds a struct of fields to the log entry. All it does is call `WithField` for // Adds a struct of fields to the log entry. All it does is call `WithField` for
// each `Field`. // each `Field`.
func (logger *Logger) WithFields(fields Fields) *Entry { func (logger *Logger) WithFields(fields Fields) *Entry {
return NewEntry(logger).WithFields(fields) entry := logger.newEntry()
defer logger.releaseEntry(entry)
return entry.WithFields(fields)
} }
// Add an error as single field to the log entry. All it does is call // Add an error as single field to the log entry. All it does is call
// `WithError` for the given `error`. // `WithError` for the given `error`.
func (logger *Logger) WithError(err error) *Entry { func (logger *Logger) WithError(err error) *Entry {
return NewEntry(logger).WithError(err) entry := logger.newEntry()
defer logger.releaseEntry(entry)
return entry.WithError(err)
} }
func (logger *Logger) Debugf(format string, args ...interface{}) { func (logger *Logger) Debugf(format string, args ...interface{}) {
if logger.Level >= DebugLevel { if logger.Level >= DebugLevel {
NewEntry(logger).Debugf(format, args...) entry := logger.newEntry()
entry.Debugf(format, args...)
logger.releaseEntry(entry)
} }
} }
func (logger *Logger) Infof(format string, args ...interface{}) { func (logger *Logger) Infof(format string, args ...interface{}) {
if logger.Level >= InfoLevel { if logger.Level >= InfoLevel {
NewEntry(logger).Infof(format, args...) entry := logger.newEntry()
entry.Infof(format, args...)
logger.releaseEntry(entry)
} }
} }
func (logger *Logger) Printf(format string, args ...interface{}) { func (logger *Logger) Printf(format string, args ...interface{}) {
NewEntry(logger).Printf(format, args...) entry := logger.newEntry()
entry.Printf(format, args...)
logger.releaseEntry(entry)
} }
func (logger *Logger) Warnf(format string, args ...interface{}) { func (logger *Logger) Warnf(format string, args ...interface{}) {
if logger.Level >= WarnLevel { if logger.Level >= WarnLevel {
NewEntry(logger).Warnf(format, args...) entry := logger.newEntry()
entry.Warnf(format, args...)
logger.releaseEntry(entry)
} }
} }
func (logger *Logger) Warningf(format string, args ...interface{}) { func (logger *Logger) Warningf(format string, args ...interface{}) {
if logger.Level >= WarnLevel { if logger.Level >= WarnLevel {
NewEntry(logger).Warnf(format, args...) entry := logger.newEntry()
entry.Warnf(format, args...)
logger.releaseEntry(entry)
} }
} }
func (logger *Logger) Errorf(format string, args ...interface{}) { func (logger *Logger) Errorf(format string, args ...interface{}) {
if logger.Level >= ErrorLevel { if logger.Level >= ErrorLevel {
NewEntry(logger).Errorf(format, args...) entry := logger.newEntry()
entry.Errorf(format, args...)
logger.releaseEntry(entry)
} }
} }
func (logger *Logger) Fatalf(format string, args ...interface{}) { func (logger *Logger) Fatalf(format string, args ...interface{}) {
if logger.Level >= FatalLevel { if logger.Level >= FatalLevel {
NewEntry(logger).Fatalf(format, args...) entry := logger.newEntry()
entry.Fatalf(format, args...)
logger.releaseEntry(entry)
} }
os.Exit(1) Exit(1)
} }
func (logger *Logger) Panicf(format string, args ...interface{}) { func (logger *Logger) Panicf(format string, args ...interface{}) {
if logger.Level >= PanicLevel { if logger.Level >= PanicLevel {
NewEntry(logger).Panicf(format, args...) entry := logger.newEntry()
entry.Panicf(format, args...)
logger.releaseEntry(entry)
} }
} }
func (logger *Logger) Debug(args ...interface{}) { func (logger *Logger) Debug(args ...interface{}) {
if logger.Level >= DebugLevel { if logger.Level >= DebugLevel {
NewEntry(logger).Debug(args...) entry := logger.newEntry()
entry.Debug(args...)
logger.releaseEntry(entry)
} }
} }
func (logger *Logger) Info(args ...interface{}) { func (logger *Logger) Info(args ...interface{}) {
if logger.Level >= InfoLevel { if logger.Level >= InfoLevel {
NewEntry(logger).Info(args...) entry := logger.newEntry()
entry.Info(args...)
logger.releaseEntry(entry)
} }
} }
func (logger *Logger) Print(args ...interface{}) { func (logger *Logger) Print(args ...interface{}) {
NewEntry(logger).Info(args...) entry := logger.newEntry()
entry.Info(args...)
logger.releaseEntry(entry)
} }
func (logger *Logger) Warn(args ...interface{}) { func (logger *Logger) Warn(args ...interface{}) {
if logger.Level >= WarnLevel { if logger.Level >= WarnLevel {
NewEntry(logger).Warn(args...) entry := logger.newEntry()
entry.Warn(args...)
logger.releaseEntry(entry)
} }
} }
func (logger *Logger) Warning(args ...interface{}) { func (logger *Logger) Warning(args ...interface{}) {
if logger.Level >= WarnLevel { if logger.Level >= WarnLevel {
NewEntry(logger).Warn(args...) entry := logger.newEntry()
entry.Warn(args...)
logger.releaseEntry(entry)
} }
} }
func (logger *Logger) Error(args ...interface{}) { func (logger *Logger) Error(args ...interface{}) {
if logger.Level >= ErrorLevel { if logger.Level >= ErrorLevel {
NewEntry(logger).Error(args...) entry := logger.newEntry()
entry.Error(args...)
logger.releaseEntry(entry)
} }
} }
func (logger *Logger) Fatal(args ...interface{}) { func (logger *Logger) Fatal(args ...interface{}) {
if logger.Level >= FatalLevel { if logger.Level >= FatalLevel {
NewEntry(logger).Fatal(args...) entry := logger.newEntry()
entry.Fatal(args...)
logger.releaseEntry(entry)
} }
os.Exit(1) Exit(1)
} }
func (logger *Logger) Panic(args ...interface{}) { func (logger *Logger) Panic(args ...interface{}) {
if logger.Level >= PanicLevel { if logger.Level >= PanicLevel {
NewEntry(logger).Panic(args...) entry := logger.newEntry()
entry.Panic(args...)
logger.releaseEntry(entry)
} }
} }
func (logger *Logger) Debugln(args ...interface{}) { func (logger *Logger) Debugln(args ...interface{}) {
if logger.Level >= DebugLevel { if logger.Level >= DebugLevel {
NewEntry(logger).Debugln(args...) entry := logger.newEntry()
entry.Debugln(args...)
logger.releaseEntry(entry)
} }
} }
func (logger *Logger) Infoln(args ...interface{}) { func (logger *Logger) Infoln(args ...interface{}) {
if logger.Level >= InfoLevel { if logger.Level >= InfoLevel {
NewEntry(logger).Infoln(args...) entry := logger.newEntry()
entry.Infoln(args...)
logger.releaseEntry(entry)
} }
} }
func (logger *Logger) Println(args ...interface{}) { func (logger *Logger) Println(args ...interface{}) {
NewEntry(logger).Println(args...) entry := logger.newEntry()
entry.Println(args...)
logger.releaseEntry(entry)
} }
func (logger *Logger) Warnln(args ...interface{}) { func (logger *Logger) Warnln(args ...interface{}) {
if logger.Level >= WarnLevel { if logger.Level >= WarnLevel {
NewEntry(logger).Warnln(args...) entry := logger.newEntry()
entry.Warnln(args...)
logger.releaseEntry(entry)
} }
} }
func (logger *Logger) Warningln(args ...interface{}) { func (logger *Logger) Warningln(args ...interface{}) {
if logger.Level >= WarnLevel { if logger.Level >= WarnLevel {
NewEntry(logger).Warnln(args...) entry := logger.newEntry()
entry.Warnln(args...)
logger.releaseEntry(entry)
} }
} }
func (logger *Logger) Errorln(args ...interface{}) { func (logger *Logger) Errorln(args ...interface{}) {
if logger.Level >= ErrorLevel { if logger.Level >= ErrorLevel {
NewEntry(logger).Errorln(args...) entry := logger.newEntry()
entry.Errorln(args...)
logger.releaseEntry(entry)
} }
} }
func (logger *Logger) Fatalln(args ...interface{}) { func (logger *Logger) Fatalln(args ...interface{}) {
if logger.Level >= FatalLevel { if logger.Level >= FatalLevel {
NewEntry(logger).Fatalln(args...) entry := logger.newEntry()
entry.Fatalln(args...)
logger.releaseEntry(entry)
} }
os.Exit(1) Exit(1)
} }
func (logger *Logger) Panicln(args ...interface{}) { func (logger *Logger) Panicln(args ...interface{}) {
if logger.Level >= PanicLevel { if logger.Level >= PanicLevel {
NewEntry(logger).Panicln(args...) entry := logger.newEntry()
entry.Panicln(args...)
logger.releaseEntry(entry)
} }
} }
//When file is opened with appending mode, it's safe to
//write concurrently to a file (within 4k message on Linux).
//In these cases user can choose to disable the lock.
func (logger *Logger) SetNoLock() {
logger.mu.Disable()
}

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@ -0,0 +1,10 @@
// +build appengine
package logrus
import "io"
// IsTerminal returns true if stderr's file descriptor is a terminal.
func IsTerminal(f io.Writer) bool {
return true
}

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@ -1,4 +1,5 @@
// +build darwin freebsd openbsd netbsd dragonfly // +build darwin freebsd openbsd netbsd dragonfly
// +build !appengine
package logrus package logrus

View File

@ -3,6 +3,8 @@
// Use of this source code is governed by a BSD-style // Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file. // license that can be found in the LICENSE file.
// +build !appengine
package logrus package logrus
import "syscall" import "syscall"

View File

@ -4,18 +4,25 @@
// license that can be found in the LICENSE file. // license that can be found in the LICENSE file.
// +build linux darwin freebsd openbsd netbsd dragonfly // +build linux darwin freebsd openbsd netbsd dragonfly
// +build !appengine
package logrus package logrus
import ( import (
"io"
"os"
"syscall" "syscall"
"unsafe" "unsafe"
) )
// IsTerminal returns true if stderr's file descriptor is a terminal. // IsTerminal returns true if stderr's file descriptor is a terminal.
func IsTerminal() bool { func IsTerminal(f io.Writer) bool {
fd := syscall.Stderr
var termios Termios var termios Termios
_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), ioctlReadTermios, uintptr(unsafe.Pointer(&termios)), 0, 0, 0) switch v := f.(type) {
return err == 0 case *os.File:
_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(v.Fd()), ioctlReadTermios, uintptr(unsafe.Pointer(&termios)), 0, 0, 0)
return err == 0
default:
return false
}
} }

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@ -1,15 +1,21 @@
// +build solaris // +build solaris,!appengine
package logrus package logrus
import ( import (
"io"
"os" "os"
"golang.org/x/sys/unix" "golang.org/x/sys/unix"
) )
// IsTerminal returns true if the given file descriptor is a terminal. // IsTerminal returns true if the given file descriptor is a terminal.
func IsTerminal() bool { func IsTerminal(f io.Writer) bool {
_, err := unix.IoctlGetTermios(int(os.Stdout.Fd()), unix.TCGETA) switch v := f.(type) {
return err == nil case *os.File:
_, err := unix.IoctlGetTermios(int(v.Fd()), unix.TCGETA)
return err == nil
default:
return false
}
} }

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@ -3,11 +3,13 @@
// Use of this source code is governed by a BSD-style // Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file. // license that can be found in the LICENSE file.
// +build windows // +build windows,!appengine
package logrus package logrus
import ( import (
"io"
"os"
"syscall" "syscall"
"unsafe" "unsafe"
) )
@ -19,9 +21,13 @@ var (
) )
// IsTerminal returns true if stderr's file descriptor is a terminal. // IsTerminal returns true if stderr's file descriptor is a terminal.
func IsTerminal() bool { func IsTerminal(f io.Writer) bool {
fd := syscall.Stderr switch v := f.(type) {
var st uint32 case *os.File:
r, _, e := syscall.Syscall(procGetConsoleMode.Addr(), 2, uintptr(fd), uintptr(unsafe.Pointer(&st)), 0) var st uint32
return r != 0 && e == 0 r, _, e := syscall.Syscall(procGetConsoleMode.Addr(), 2, uintptr(v.Fd()), uintptr(unsafe.Pointer(&st)), 0)
return r != 0 && e == 0
default:
return false
}
} }

View File

@ -3,9 +3,9 @@ package logrus
import ( import (
"bytes" "bytes"
"fmt" "fmt"
"runtime"
"sort" "sort"
"strings" "strings"
"sync"
"time" "time"
) )
@ -20,16 +20,10 @@ const (
var ( var (
baseTimestamp time.Time baseTimestamp time.Time
isTerminal bool
) )
func init() { func init() {
baseTimestamp = time.Now() baseTimestamp = time.Now()
isTerminal = IsTerminal()
}
func miniTS() int {
return int(time.Since(baseTimestamp) / time.Second)
} }
type TextFormatter struct { type TextFormatter struct {
@ -54,10 +48,32 @@ type TextFormatter struct {
// that log extremely frequently and don't use the JSON formatter this may not // that log extremely frequently and don't use the JSON formatter this may not
// be desired. // be desired.
DisableSorting bool DisableSorting bool
// QuoteEmptyFields will wrap empty fields in quotes if true
QuoteEmptyFields bool
// QuoteCharacter can be set to the override the default quoting character "
// with something else. For example: ', or `.
QuoteCharacter string
// Whether the logger's out is to a terminal
isTerminal bool
sync.Once
}
func (f *TextFormatter) init(entry *Entry) {
if len(f.QuoteCharacter) == 0 {
f.QuoteCharacter = "\""
}
if entry.Logger != nil {
f.isTerminal = IsTerminal(entry.Logger.Out)
}
} }
func (f *TextFormatter) Format(entry *Entry) ([]byte, error) { func (f *TextFormatter) Format(entry *Entry) ([]byte, error) {
var keys []string = make([]string, 0, len(entry.Data)) var b *bytes.Buffer
keys := make([]string, 0, len(entry.Data))
for k := range entry.Data { for k := range entry.Data {
keys = append(keys, k) keys = append(keys, k)
} }
@ -65,13 +81,17 @@ func (f *TextFormatter) Format(entry *Entry) ([]byte, error) {
if !f.DisableSorting { if !f.DisableSorting {
sort.Strings(keys) sort.Strings(keys)
} }
if entry.Buffer != nil {
b := &bytes.Buffer{} b = entry.Buffer
} else {
b = &bytes.Buffer{}
}
prefixFieldClashes(entry.Data) prefixFieldClashes(entry.Data)
isColorTerminal := isTerminal && (runtime.GOOS != "windows") f.Do(func() { f.init(entry) })
isColored := (f.ForceColors || isColorTerminal) && !f.DisableColors
isColored := (f.ForceColors || f.isTerminal) && !f.DisableColors
timestampFormat := f.TimestampFormat timestampFormat := f.TimestampFormat
if timestampFormat == "" { if timestampFormat == "" {
@ -111,51 +131,59 @@ func (f *TextFormatter) printColored(b *bytes.Buffer, entry *Entry, keys []strin
levelText := strings.ToUpper(entry.Level.String())[0:4] levelText := strings.ToUpper(entry.Level.String())[0:4]
if !f.FullTimestamp { if f.DisableTimestamp {
fmt.Fprintf(b, "\x1b[%dm%s\x1b[0m[%04d] %-44s ", levelColor, levelText, miniTS(), entry.Message) fmt.Fprintf(b, "\x1b[%dm%s\x1b[0m %-44s ", levelColor, levelText, entry.Message)
} else if !f.FullTimestamp {
fmt.Fprintf(b, "\x1b[%dm%s\x1b[0m[%04d] %-44s ", levelColor, levelText, int(entry.Time.Sub(baseTimestamp)/time.Second), entry.Message)
} else { } else {
fmt.Fprintf(b, "\x1b[%dm%s\x1b[0m[%s] %-44s ", levelColor, levelText, entry.Time.Format(timestampFormat), entry.Message) fmt.Fprintf(b, "\x1b[%dm%s\x1b[0m[%s] %-44s ", levelColor, levelText, entry.Time.Format(timestampFormat), entry.Message)
} }
for _, k := range keys { for _, k := range keys {
v := entry.Data[k] v := entry.Data[k]
fmt.Fprintf(b, " \x1b[%dm%s\x1b[0m=%+v", levelColor, k, v) fmt.Fprintf(b, " \x1b[%dm%s\x1b[0m=", levelColor, k)
f.appendValue(b, v)
} }
} }
func needsQuoting(text string) bool { func (f *TextFormatter) needsQuoting(text string) bool {
if f.QuoteEmptyFields && len(text) == 0 {
return true
}
for _, ch := range text { for _, ch := range text {
if !((ch >= 'a' && ch <= 'z') || if !((ch >= 'a' && ch <= 'z') ||
(ch >= 'A' && ch <= 'Z') || (ch >= 'A' && ch <= 'Z') ||
(ch >= '0' && ch <= '9') || (ch >= '0' && ch <= '9') ||
ch == '-' || ch == '.') { ch == '-' || ch == '.') {
return false return true
} }
} }
return true return false
} }
func (f *TextFormatter) appendKeyValue(b *bytes.Buffer, key string, value interface{}) { func (f *TextFormatter) appendKeyValue(b *bytes.Buffer, key string, value interface{}) {
b.WriteString(key) b.WriteString(key)
b.WriteByte('=') b.WriteByte('=')
f.appendValue(b, value)
b.WriteByte(' ')
}
func (f *TextFormatter) appendValue(b *bytes.Buffer, value interface{}) {
switch value := value.(type) { switch value := value.(type) {
case string: case string:
if needsQuoting(value) { if !f.needsQuoting(value) {
b.WriteString(value) b.WriteString(value)
} else { } else {
fmt.Fprintf(b, "%q", value) fmt.Fprintf(b, "%s%v%s", f.QuoteCharacter, value, f.QuoteCharacter)
} }
case error: case error:
errmsg := value.Error() errmsg := value.Error()
if needsQuoting(errmsg) { if !f.needsQuoting(errmsg) {
b.WriteString(errmsg) b.WriteString(errmsg)
} else { } else {
fmt.Fprintf(b, "%q", value) fmt.Fprintf(b, "%s%v%s", f.QuoteCharacter, errmsg, f.QuoteCharacter)
} }
default: default:
fmt.Fprint(b, value) fmt.Fprint(b, value)
} }
b.WriteByte(' ')
} }

View File

@ -7,21 +7,52 @@ import (
) )
func (logger *Logger) Writer() *io.PipeWriter { func (logger *Logger) Writer() *io.PipeWriter {
return logger.WriterLevel(InfoLevel)
}
func (logger *Logger) WriterLevel(level Level) *io.PipeWriter {
return NewEntry(logger).WriterLevel(level)
}
func (entry *Entry) Writer() *io.PipeWriter {
return entry.WriterLevel(InfoLevel)
}
func (entry *Entry) WriterLevel(level Level) *io.PipeWriter {
reader, writer := io.Pipe() reader, writer := io.Pipe()
go logger.writerScanner(reader) var printFunc func(args ...interface{})
switch level {
case DebugLevel:
printFunc = entry.Debug
case InfoLevel:
printFunc = entry.Info
case WarnLevel:
printFunc = entry.Warn
case ErrorLevel:
printFunc = entry.Error
case FatalLevel:
printFunc = entry.Fatal
case PanicLevel:
printFunc = entry.Panic
default:
printFunc = entry.Print
}
go entry.writerScanner(reader, printFunc)
runtime.SetFinalizer(writer, writerFinalizer) runtime.SetFinalizer(writer, writerFinalizer)
return writer return writer
} }
func (logger *Logger) writerScanner(reader *io.PipeReader) { func (entry *Entry) writerScanner(reader *io.PipeReader, printFunc func(args ...interface{})) {
scanner := bufio.NewScanner(reader) scanner := bufio.NewScanner(reader)
for scanner.Scan() { for scanner.Scan() {
logger.Print(scanner.Text()) printFunc(scanner.Text())
} }
if err := scanner.Err(); err != nil { if err := scanner.Err(); err != nil {
logger.Errorf("Error while reading from Writer: %s", err) entry.Errorf("Error while reading from Writer: %s", err)
} }
reader.Close() reader.Close()
} }

View File

@ -21,8 +21,10 @@ import (
// BotAPI allows you to interact with the Telegram Bot API. // BotAPI allows you to interact with the Telegram Bot API.
type BotAPI struct { type BotAPI struct {
Token string `json:"token"` Token string `json:"token"`
Debug bool `json:"debug"` Debug bool `json:"debug"`
Buffer int `json:"buffer"`
Self User `json:"-"` Self User `json:"-"`
Client *http.Client `json:"-"` Client *http.Client `json:"-"`
} }
@ -42,11 +44,12 @@ func NewBotAPIWithClient(token string, client *http.Client) (*BotAPI, error) {
bot := &BotAPI{ bot := &BotAPI{
Token: token, Token: token,
Client: client, Client: client,
Buffer: 100,
} }
self, err := bot.GetMe() self, err := bot.GetMe()
if err != nil { if err != nil {
return &BotAPI{}, err return nil, err
} }
bot.Self = self bot.Self = self
@ -68,6 +71,10 @@ func (bot *BotAPI) MakeRequest(endpoint string, params url.Values) (APIResponse,
return APIResponse{}, errors.New(ErrAPIForbidden) return APIResponse{}, errors.New(ErrAPIForbidden)
} }
if resp.StatusCode != http.StatusOK {
return APIResponse{}, errors.New(http.StatusText(resp.StatusCode))
}
bytes, err := ioutil.ReadAll(resp.Body) bytes, err := ioutil.ReadAll(resp.Body)
if err != nil { if err != nil {
return APIResponse{}, err return APIResponse{}, err
@ -457,7 +464,7 @@ func (bot *BotAPI) GetWebhookInfo() (WebhookInfo, error) {
// GetUpdatesChan starts and returns a channel for getting updates. // GetUpdatesChan starts and returns a channel for getting updates.
func (bot *BotAPI) GetUpdatesChan(config UpdateConfig) (UpdatesChannel, error) { func (bot *BotAPI) GetUpdatesChan(config UpdateConfig) (UpdatesChannel, error) {
ch := make(chan Update, 100) ch := make(chan Update, bot.Buffer)
go func() { go func() {
for { for {
@ -484,7 +491,7 @@ func (bot *BotAPI) GetUpdatesChan(config UpdateConfig) (UpdatesChannel, error) {
// ListenForWebhook registers a http handler for a webhook. // ListenForWebhook registers a http handler for a webhook.
func (bot *BotAPI) ListenForWebhook(pattern string) UpdatesChannel { func (bot *BotAPI) ListenForWebhook(pattern string) UpdatesChannel {
ch := make(chan Update, 100) ch := make(chan Update, bot.Buffer)
http.HandleFunc(pattern, func(w http.ResponseWriter, r *http.Request) { http.HandleFunc(pattern, func(w http.ResponseWriter, r *http.Request) {
bytes, _ := ioutil.ReadAll(r.Body) bytes, _ := ioutil.ReadAll(r.Body)

View File

@ -768,8 +768,8 @@ type UpdateConfig struct {
// WebhookConfig contains information about a SetWebhook request. // WebhookConfig contains information about a SetWebhook request.
type WebhookConfig struct { type WebhookConfig struct {
URL *url.URL URL *url.URL
Certificate interface{} Certificate interface{}
MaxConnections int MaxConnections int
} }

View File

@ -318,21 +318,6 @@ func NewWebhookWithCert(link string, file interface{}) WebhookConfig {
} }
} }
// NewWebhookWithCert creates a new webhook with a certificate and max_connections.
//
// link is the url you wish to get webhooks,
// file contains a string to a file, FileReader, or FileBytes.
// maxConnections defines maximum number of connections from telegram to your server
func NewWebhookWithCertAndMaxConnections(link string, file interface{}, maxConnections int) WebhookConfig {
u, _ := url.Parse(link)
return WebhookConfig{
URL: u,
Certificate: file,
MaxConnections: maxConnections,
}
}
// NewInlineQueryResultArticle creates a new inline query article. // NewInlineQueryResultArticle creates a new inline query article.
func NewInlineQueryResultArticle(id, title, messageText string) InlineQueryResultArticle { func NewInlineQueryResultArticle(id, title, messageText string) InlineQueryResultArticle {
return InlineQueryResultArticle{ return InlineQueryResultArticle{

View File

@ -194,7 +194,7 @@ func (m *Message) CommandArguments() string {
return "" return ""
} }
return strings.SplitN(m.Text, " ", 2)[1] return split[1]
} }
// MessageEntity contains information about data in a Message. // MessageEntity contains information about data in a Message.

View File

@ -138,7 +138,12 @@ func (c *cache) create(t reflect.Type, info *structInfo) *structInfo {
ft = ft.Elem() ft = ft.Elem()
} }
if ft.Kind() == reflect.Struct { if ft.Kind() == reflect.Struct {
bef := len(info.fields)
c.create(ft, info) c.create(ft, info)
for _, fi := range info.fields[bef:len(info.fields)] {
// exclude required check because duplicated to embedded field
fi.required = false
}
} }
} }
c.createField(field, info) c.createField(field, info)
@ -148,7 +153,7 @@ func (c *cache) create(t reflect.Type, info *structInfo) *structInfo {
// createField creates a fieldInfo for the given field. // createField creates a fieldInfo for the given field.
func (c *cache) createField(field reflect.StructField, info *structInfo) { func (c *cache) createField(field reflect.StructField, info *structInfo) {
alias := fieldAlias(field, c.tag) alias, options := fieldAlias(field, c.tag)
if alias == "-" { if alias == "-" {
// Ignore this field. // Ignore this field.
return return
@ -173,17 +178,19 @@ func (c *cache) createField(field reflect.StructField, info *structInfo) {
} }
} }
if isStruct = ft.Kind() == reflect.Struct; !isStruct { if isStruct = ft.Kind() == reflect.Struct; !isStruct {
if conv := c.conv[ft.Kind()]; conv == nil { if conv := c.converter(ft); conv == nil {
// Type is not supported. // Type is not supported.
return return
} }
} }
info.fields = append(info.fields, &fieldInfo{ info.fields = append(info.fields, &fieldInfo{
typ: field.Type, typ: field.Type,
name: field.Name, name: field.Name,
ss: isSlice && isStruct, ss: isSlice && isStruct,
alias: alias, alias: alias,
anon: field.Anonymous,
required: options.Contains("required"),
}) })
} }
@ -212,10 +219,12 @@ func (i *structInfo) get(alias string) *fieldInfo {
} }
type fieldInfo struct { type fieldInfo struct {
typ reflect.Type typ reflect.Type
name string // field name in the struct. name string // field name in the struct.
ss bool // true if this is a slice of structs. ss bool // true if this is a slice of structs.
alias string alias string
anon bool // is an embedded field
required bool // tag option
} }
type pathPart struct { type pathPart struct {
@ -227,19 +236,33 @@ type pathPart struct {
// ---------------------------------------------------------------------------- // ----------------------------------------------------------------------------
// fieldAlias parses a field tag to get a field alias. // fieldAlias parses a field tag to get a field alias.
func fieldAlias(field reflect.StructField, tagName string) string { func fieldAlias(field reflect.StructField, tagName string) (alias string, options tagOptions) {
var alias string
if tag := field.Tag.Get(tagName); tag != "" { if tag := field.Tag.Get(tagName); tag != "" {
// For now tags only support the name but let's follow the alias, options = parseTag(tag)
// comma convention from encoding/json and others.
if idx := strings.Index(tag, ","); idx == -1 {
alias = tag
} else {
alias = tag[:idx]
}
} }
if alias == "" { if alias == "" {
alias = field.Name alias = field.Name
} }
return alias return alias, options
}
// tagOptions is the string following a comma in a struct field's tag, or
// the empty string. It does not include the leading comma.
type tagOptions []string
// parseTag splits a struct field's url tag into its name and comma-separated
// options.
func parseTag(tag string) (string, tagOptions) {
s := strings.Split(tag, ",")
return s[0], s[1:]
}
// Contains checks whether the tagOptions contains the specified option.
func (o tagOptions) Contains(option string) bool {
for _, s := range o {
if s == option {
return true
}
}
return false
} }

View File

@ -87,9 +87,60 @@ func (d *Decoder) Decode(dst interface{}, src map[string][]string) error {
if len(errors) > 0 { if len(errors) > 0 {
return errors return errors
} }
return d.checkRequired(t, src, "")
}
// checkRequired checks whether requred field empty
//
// check type t recursively if t has struct fields, and prefix is same as parsePath: in dotted notation
//
// src is the source map for decoding, we use it here to see if those required fields are included in src
func (d *Decoder) checkRequired(t reflect.Type, src map[string][]string, prefix string) error {
struc := d.cache.get(t)
if struc == nil {
// unexpect, cache.get never return nil
return errors.New("cache fail")
}
for _, f := range struc.fields {
if f.typ.Kind() == reflect.Struct {
err := d.checkRequired(f.typ, src, prefix+f.alias+".")
if err != nil {
if !f.anon {
return err
}
// check embedded parent field.
err2 := d.checkRequired(f.typ, src, prefix)
if err2 != nil {
return err
}
}
}
if f.required {
key := f.alias
if prefix != "" {
key = prefix + key
}
if isEmpty(f.typ, src[key]) {
return fmt.Errorf("%v is empty", key)
}
}
}
return nil return nil
} }
// isEmpty returns true if value is empty for specific type
func isEmpty(t reflect.Type, value []string) bool {
if len(value) == 0 {
return true
}
switch t.Kind() {
case boolType, float32Type, float64Type, intType, int8Type, int32Type, int64Type, stringType, uint8Type, uint16Type, uint32Type, uint64Type:
return len(value[0]) == 0
}
return false
}
// decode fills a struct field using a parsed path. // decode fills a struct field using a parsed path.
func (d *Decoder) decode(v reflect.Value, path string, parts []pathPart, values []string) error { func (d *Decoder) decode(v reflect.Value, path string, parts []pathPart, values []string) error {
// Get the field walking the struct fields by index. // Get the field walking the struct fields by index.

View File

@ -12,7 +12,7 @@ The basic usage is really simple. Given this struct:
Phone string Phone string
} }
...we can fill it passing a map to the Load() function: ...we can fill it passing a map to the Decode() function:
values := map[string][]string{ values := map[string][]string{
"Name": {"John"}, "Name": {"John"},

161
vendor/github.com/gorilla/schema/encoder.go generated vendored Normal file
View File

@ -0,0 +1,161 @@
package schema
import (
"errors"
"fmt"
"reflect"
"strconv"
)
type encoderFunc func(reflect.Value) string
// Encoder encodes values from a struct into url.Values.
type Encoder struct {
cache *cache
regenc map[reflect.Type]encoderFunc
}
// NewEncoder returns a new Encoder with defaults.
func NewEncoder() *Encoder {
return &Encoder{cache: newCache(), regenc: make(map[reflect.Type]encoderFunc)}
}
// Encode encodes a struct into map[string][]string.
//
// Intended for use with url.Values.
func (e *Encoder) Encode(src interface{}, dst map[string][]string) error {
v := reflect.ValueOf(src)
return e.encode(v, dst)
}
// RegisterEncoder registers a converter for encoding a custom type.
func (e *Encoder) RegisterEncoder(value interface{}, encoder func(reflect.Value) string) {
e.regenc[reflect.TypeOf(value)] = encoder
}
// SetAliasTag changes the tag used to locate custom field aliases.
// The default tag is "schema".
func (e *Encoder) SetAliasTag(tag string) {
e.cache.tag = tag
}
func (e *Encoder) encode(v reflect.Value, dst map[string][]string) error {
if v.Kind() == reflect.Ptr {
v = v.Elem()
}
if v.Kind() != reflect.Struct {
return errors.New("schema: interface must be a struct")
}
t := v.Type()
errors := MultiError{}
for i := 0; i < v.NumField(); i++ {
name, opts := fieldAlias(t.Field(i), e.cache.tag)
if name == "-" {
continue
}
if v.Field(i).Type().Kind() == reflect.Struct {
e.encode(v.Field(i), dst)
continue
}
encFunc := typeEncoder(v.Field(i).Type(), e.regenc)
// Encode non-slice types and custom implementations immediately.
if encFunc != nil {
value := encFunc(v.Field(i))
if value == "" && opts.Contains("omitempty") {
continue
}
dst[name] = append(dst[name], value)
continue
}
if v.Field(i).Type().Kind() == reflect.Slice {
encFunc = typeEncoder(v.Field(i).Type().Elem(), e.regenc)
}
if encFunc == nil {
errors[v.Field(i).Type().String()] = fmt.Errorf("schema: encoder not found for %v", v.Field(i))
continue
}
// Encode a slice.
if v.Field(i).Len() == 0 && opts.Contains("omitempty") {
continue
}
dst[name] = []string{}
for j := 0; j < v.Field(i).Len(); j++ {
dst[name] = append(dst[name], encFunc(v.Field(i).Index(j)))
}
}
if len(errors) > 0 {
return errors
}
return nil
}
func typeEncoder(t reflect.Type, reg map[reflect.Type]encoderFunc) encoderFunc {
if f, ok := reg[t]; ok {
return f
}
switch t.Kind() {
case reflect.Bool:
return encodeBool
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return encodeInt
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
return encodeUint
case reflect.Float32:
return encodeFloat32
case reflect.Float64:
return encodeFloat64
case reflect.Ptr:
f := typeEncoder(t.Elem(), reg)
return func(v reflect.Value) string {
if v.IsNil() {
return "null"
}
return f(v.Elem())
}
case reflect.String:
return encodeString
default:
return nil
}
}
func encodeBool(v reflect.Value) string {
return strconv.FormatBool(v.Bool())
}
func encodeInt(v reflect.Value) string {
return strconv.FormatInt(int64(v.Int()), 10)
}
func encodeUint(v reflect.Value) string {
return strconv.FormatUint(uint64(v.Uint()), 10)
}
func encodeFloat(v reflect.Value, bits int) string {
return strconv.FormatFloat(v.Float(), 'f', 6, bits)
}
func encodeFloat32(v reflect.Value) string {
return encodeFloat(v, 32)
}
func encodeFloat64(v reflect.Value) string {
return encodeFloat(v, 64)
}
func encodeString(v reflect.Value) string {
return v.String()
}

View File

@ -23,6 +23,8 @@ import (
// invalid. // invalid.
var ErrBadHandshake = errors.New("websocket: bad handshake") var ErrBadHandshake = errors.New("websocket: bad handshake")
var errInvalidCompression = errors.New("websocket: invalid compression negotiation")
// NewClient creates a new client connection using the given net connection. // NewClient creates a new client connection using the given net connection.
// The URL u specifies the host and request URI. Use requestHeader to specify // The URL u specifies the host and request URI. Use requestHeader to specify
// the origin (Origin), subprotocols (Sec-WebSocket-Protocol) and cookies // the origin (Origin), subprotocols (Sec-WebSocket-Protocol) and cookies
@ -64,12 +66,24 @@ type Dialer struct {
// HandshakeTimeout specifies the duration for the handshake to complete. // HandshakeTimeout specifies the duration for the handshake to complete.
HandshakeTimeout time.Duration HandshakeTimeout time.Duration
// Input and output buffer sizes. If the buffer size is zero, then a // ReadBufferSize and WriteBufferSize specify I/O buffer sizes. If a buffer
// default value of 4096 is used. // size is zero, then a useful default size is used. The I/O buffer sizes
// do not limit the size of the messages that can be sent or received.
ReadBufferSize, WriteBufferSize int ReadBufferSize, WriteBufferSize int
// Subprotocols specifies the client's requested subprotocols. // Subprotocols specifies the client's requested subprotocols.
Subprotocols []string Subprotocols []string
// EnableCompression specifies if the client should attempt to negotiate
// per message compression (RFC 7692). Setting this value to true does not
// guarantee that compression will be supported. Currently only "no context
// takeover" modes are supported.
EnableCompression bool
// Jar specifies the cookie jar.
// If Jar is nil, cookies are not sent in requests and ignored
// in responses.
Jar http.CookieJar
} }
var errMalformedURL = errors.New("malformed ws or wss URL") var errMalformedURL = errors.New("malformed ws or wss URL")
@ -83,7 +97,6 @@ func parseURL(s string) (*url.URL, error) {
// //
// ws-URI = "ws:" "//" host [ ":" port ] path [ "?" query ] // ws-URI = "ws:" "//" host [ ":" port ] path [ "?" query ]
// wss-URI = "wss:" "//" host [ ":" port ] path [ "?" query ] // wss-URI = "wss:" "//" host [ ":" port ] path [ "?" query ]
var u url.URL var u url.URL
switch { switch {
case strings.HasPrefix(s, "ws://"): case strings.HasPrefix(s, "ws://"):
@ -193,6 +206,13 @@ func (d *Dialer) Dial(urlStr string, requestHeader http.Header) (*Conn, *http.Re
Host: u.Host, Host: u.Host,
} }
// Set the cookies present in the cookie jar of the dialer
if d.Jar != nil {
for _, cookie := range d.Jar.Cookies(u) {
req.AddCookie(cookie)
}
}
// Set the request headers using the capitalization for names and values in // Set the request headers using the capitalization for names and values in
// RFC examples. Although the capitalization shouldn't matter, there are // RFC examples. Although the capitalization shouldn't matter, there are
// servers that depend on it. The Header.Set method is not used because the // servers that depend on it. The Header.Set method is not used because the
@ -214,6 +234,7 @@ func (d *Dialer) Dial(urlStr string, requestHeader http.Header) (*Conn, *http.Re
k == "Connection" || k == "Connection" ||
k == "Sec-Websocket-Key" || k == "Sec-Websocket-Key" ||
k == "Sec-Websocket-Version" || k == "Sec-Websocket-Version" ||
k == "Sec-Websocket-Extensions" ||
(k == "Sec-Websocket-Protocol" && len(d.Subprotocols) > 0): (k == "Sec-Websocket-Protocol" && len(d.Subprotocols) > 0):
return nil, nil, errors.New("websocket: duplicate header not allowed: " + k) return nil, nil, errors.New("websocket: duplicate header not allowed: " + k)
default: default:
@ -221,6 +242,10 @@ func (d *Dialer) Dial(urlStr string, requestHeader http.Header) (*Conn, *http.Re
} }
} }
if d.EnableCompression {
req.Header.Set("Sec-Websocket-Extensions", "permessage-deflate; server_no_context_takeover; client_no_context_takeover")
}
hostPort, hostNoPort := hostPortNoPort(u) hostPort, hostNoPort := hostPortNoPort(u)
var proxyURL *url.URL var proxyURL *url.URL
@ -298,12 +323,8 @@ func (d *Dialer) Dial(urlStr string, requestHeader http.Header) (*Conn, *http.Re
} }
if u.Scheme == "https" { if u.Scheme == "https" {
cfg := d.TLSClientConfig cfg := cloneTLSConfig(d.TLSClientConfig)
if cfg == nil { if cfg.ServerName == "" {
cfg = &tls.Config{ServerName: hostNoPort}
} else if cfg.ServerName == "" {
shallowCopy := *cfg
cfg = &shallowCopy
cfg.ServerName = hostNoPort cfg.ServerName = hostNoPort
} }
tlsConn := tls.Client(netConn, cfg) tlsConn := tls.Client(netConn, cfg)
@ -328,6 +349,13 @@ func (d *Dialer) Dial(urlStr string, requestHeader http.Header) (*Conn, *http.Re
if err != nil { if err != nil {
return nil, nil, err return nil, nil, err
} }
if d.Jar != nil {
if rc := resp.Cookies(); len(rc) > 0 {
d.Jar.SetCookies(u, rc)
}
}
if resp.StatusCode != 101 || if resp.StatusCode != 101 ||
!strings.EqualFold(resp.Header.Get("Upgrade"), "websocket") || !strings.EqualFold(resp.Header.Get("Upgrade"), "websocket") ||
!strings.EqualFold(resp.Header.Get("Connection"), "upgrade") || !strings.EqualFold(resp.Header.Get("Connection"), "upgrade") ||
@ -341,6 +369,20 @@ func (d *Dialer) Dial(urlStr string, requestHeader http.Header) (*Conn, *http.Re
return nil, resp, ErrBadHandshake return nil, resp, ErrBadHandshake
} }
for _, ext := range parseExtensions(resp.Header) {
if ext[""] != "permessage-deflate" {
continue
}
_, snct := ext["server_no_context_takeover"]
_, cnct := ext["client_no_context_takeover"]
if !snct || !cnct {
return nil, resp, errInvalidCompression
}
conn.newCompressionWriter = compressNoContextTakeover
conn.newDecompressionReader = decompressNoContextTakeover
break
}
resp.Body = ioutil.NopCloser(bytes.NewReader([]byte{})) resp.Body = ioutil.NopCloser(bytes.NewReader([]byte{}))
conn.subprotocol = resp.Header.Get("Sec-Websocket-Protocol") conn.subprotocol = resp.Header.Get("Sec-Websocket-Protocol")

16
vendor/github.com/gorilla/websocket/client_clone.go generated vendored Normal file
View File

@ -0,0 +1,16 @@
// Copyright 2013 The Gorilla WebSocket Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.8
package websocket
import "crypto/tls"
func cloneTLSConfig(cfg *tls.Config) *tls.Config {
if cfg == nil {
return &tls.Config{}
}
return cfg.Clone()
}

View File

@ -0,0 +1,38 @@
// Copyright 2013 The Gorilla WebSocket Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !go1.8
package websocket
import "crypto/tls"
// cloneTLSConfig clones all public fields except the fields
// SessionTicketsDisabled and SessionTicketKey. This avoids copying the
// sync.Mutex in the sync.Once and makes it safe to call cloneTLSConfig on a
// config in active use.
func cloneTLSConfig(cfg *tls.Config) *tls.Config {
if cfg == nil {
return &tls.Config{}
}
return &tls.Config{
Rand: cfg.Rand,
Time: cfg.Time,
Certificates: cfg.Certificates,
NameToCertificate: cfg.NameToCertificate,
GetCertificate: cfg.GetCertificate,
RootCAs: cfg.RootCAs,
NextProtos: cfg.NextProtos,
ServerName: cfg.ServerName,
ClientAuth: cfg.ClientAuth,
ClientCAs: cfg.ClientCAs,
InsecureSkipVerify: cfg.InsecureSkipVerify,
CipherSuites: cfg.CipherSuites,
PreferServerCipherSuites: cfg.PreferServerCipherSuites,
ClientSessionCache: cfg.ClientSessionCache,
MinVersion: cfg.MinVersion,
MaxVersion: cfg.MaxVersion,
CurvePreferences: cfg.CurvePreferences,
}
}

148
vendor/github.com/gorilla/websocket/compression.go generated vendored Normal file
View File

@ -0,0 +1,148 @@
// Copyright 2017 The Gorilla WebSocket Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package websocket
import (
"compress/flate"
"errors"
"io"
"strings"
"sync"
)
const (
minCompressionLevel = -2 // flate.HuffmanOnly not defined in Go < 1.6
maxCompressionLevel = flate.BestCompression
defaultCompressionLevel = 1
)
var (
flateWriterPools [maxCompressionLevel - minCompressionLevel + 1]sync.Pool
flateReaderPool = sync.Pool{New: func() interface{} {
return flate.NewReader(nil)
}}
)
func decompressNoContextTakeover(r io.Reader) io.ReadCloser {
const tail =
// Add four bytes as specified in RFC
"\x00\x00\xff\xff" +
// Add final block to squelch unexpected EOF error from flate reader.
"\x01\x00\x00\xff\xff"
fr, _ := flateReaderPool.Get().(io.ReadCloser)
fr.(flate.Resetter).Reset(io.MultiReader(r, strings.NewReader(tail)), nil)
return &flateReadWrapper{fr}
}
func isValidCompressionLevel(level int) bool {
return minCompressionLevel <= level && level <= maxCompressionLevel
}
func compressNoContextTakeover(w io.WriteCloser, level int) io.WriteCloser {
p := &flateWriterPools[level-minCompressionLevel]
tw := &truncWriter{w: w}
fw, _ := p.Get().(*flate.Writer)
if fw == nil {
fw, _ = flate.NewWriter(tw, level)
} else {
fw.Reset(tw)
}
return &flateWriteWrapper{fw: fw, tw: tw, p: p}
}
// truncWriter is an io.Writer that writes all but the last four bytes of the
// stream to another io.Writer.
type truncWriter struct {
w io.WriteCloser
n int
p [4]byte
}
func (w *truncWriter) Write(p []byte) (int, error) {
n := 0
// fill buffer first for simplicity.
if w.n < len(w.p) {
n = copy(w.p[w.n:], p)
p = p[n:]
w.n += n
if len(p) == 0 {
return n, nil
}
}
m := len(p)
if m > len(w.p) {
m = len(w.p)
}
if nn, err := w.w.Write(w.p[:m]); err != nil {
return n + nn, err
}
copy(w.p[:], w.p[m:])
copy(w.p[len(w.p)-m:], p[len(p)-m:])
nn, err := w.w.Write(p[:len(p)-m])
return n + nn, err
}
type flateWriteWrapper struct {
fw *flate.Writer
tw *truncWriter
p *sync.Pool
}
func (w *flateWriteWrapper) Write(p []byte) (int, error) {
if w.fw == nil {
return 0, errWriteClosed
}
return w.fw.Write(p)
}
func (w *flateWriteWrapper) Close() error {
if w.fw == nil {
return errWriteClosed
}
err1 := w.fw.Flush()
w.p.Put(w.fw)
w.fw = nil
if w.tw.p != [4]byte{0, 0, 0xff, 0xff} {
return errors.New("websocket: internal error, unexpected bytes at end of flate stream")
}
err2 := w.tw.w.Close()
if err1 != nil {
return err1
}
return err2
}
type flateReadWrapper struct {
fr io.ReadCloser
}
func (r *flateReadWrapper) Read(p []byte) (int, error) {
if r.fr == nil {
return 0, io.ErrClosedPipe
}
n, err := r.fr.Read(p)
if err == io.EOF {
// Preemptively place the reader back in the pool. This helps with
// scenarios where the application does not call NextReader() soon after
// this final read.
r.Close()
}
return n, err
}
func (r *flateReadWrapper) Close() error {
if r.fr == nil {
return io.ErrClosedPipe
}
err := r.fr.Close()
flateReaderPool.Put(r.fr)
r.fr = nil
return err
}

View File

@ -13,15 +13,25 @@ import (
"math/rand" "math/rand"
"net" "net"
"strconv" "strconv"
"sync"
"time" "time"
"unicode/utf8"
) )
const ( const (
// Frame header byte 0 bits from Section 5.2 of RFC 6455
finalBit = 1 << 7
rsv1Bit = 1 << 6
rsv2Bit = 1 << 5
rsv3Bit = 1 << 4
// Frame header byte 1 bits from Section 5.2 of RFC 6455
maskBit = 1 << 7
maxFrameHeaderSize = 2 + 8 + 4 // Fixed header + length + mask maxFrameHeaderSize = 2 + 8 + 4 // Fixed header + length + mask
maxControlFramePayloadSize = 125 maxControlFramePayloadSize = 125
finalBit = 1 << 7
maskBit = 1 << 7 writeWait = time.Second
writeWait = time.Second
defaultReadBufferSize = 4096 defaultReadBufferSize = 4096
defaultWriteBufferSize = 4096 defaultWriteBufferSize = 4096
@ -43,6 +53,8 @@ const (
CloseMessageTooBig = 1009 CloseMessageTooBig = 1009
CloseMandatoryExtension = 1010 CloseMandatoryExtension = 1010
CloseInternalServerErr = 1011 CloseInternalServerErr = 1011
CloseServiceRestart = 1012
CloseTryAgainLater = 1013
CloseTLSHandshake = 1015 CloseTLSHandshake = 1015
) )
@ -169,6 +181,11 @@ var (
errInvalidControlFrame = errors.New("websocket: invalid control frame") errInvalidControlFrame = errors.New("websocket: invalid control frame")
) )
func newMaskKey() [4]byte {
n := rand.Uint32()
return [4]byte{byte(n), byte(n >> 8), byte(n >> 16), byte(n >> 24)}
}
func hideTempErr(err error) error { func hideTempErr(err error) error {
if e, ok := err.(net.Error); ok && e.Temporary() { if e, ok := err.(net.Error); ok && e.Temporary() {
err = &netError{msg: e.Error(), timeout: e.Timeout()} err = &netError{msg: e.Error(), timeout: e.Timeout()}
@ -184,74 +201,138 @@ func isData(frameType int) bool {
return frameType == TextMessage || frameType == BinaryMessage return frameType == TextMessage || frameType == BinaryMessage
} }
func maskBytes(key [4]byte, pos int, b []byte) int { var validReceivedCloseCodes = map[int]bool{
for i := range b { // see http://www.iana.org/assignments/websocket/websocket.xhtml#close-code-number
b[i] ^= key[pos&3]
pos++ CloseNormalClosure: true,
} CloseGoingAway: true,
return pos & 3 CloseProtocolError: true,
CloseUnsupportedData: true,
CloseNoStatusReceived: false,
CloseAbnormalClosure: false,
CloseInvalidFramePayloadData: true,
ClosePolicyViolation: true,
CloseMessageTooBig: true,
CloseMandatoryExtension: true,
CloseInternalServerErr: true,
CloseServiceRestart: true,
CloseTryAgainLater: true,
CloseTLSHandshake: false,
} }
func newMaskKey() [4]byte { func isValidReceivedCloseCode(code int) bool {
n := rand.Uint32() return validReceivedCloseCodes[code] || (code >= 3000 && code <= 4999)
return [4]byte{byte(n), byte(n >> 8), byte(n >> 16), byte(n >> 24)}
} }
// Conn represents a WebSocket connection. // The Conn type represents a WebSocket connection.
type Conn struct { type Conn struct {
conn net.Conn conn net.Conn
isServer bool isServer bool
subprotocol string subprotocol string
// Write fields // Write fields
mu chan bool // used as mutex to protect write to conn and closeSent mu chan bool // used as mutex to protect write to conn
closeSent bool // true if close message was sent writeBuf []byte // frame is constructed in this buffer.
writeDeadline time.Time
writer io.WriteCloser // the current writer returned to the application
isWriting bool // for best-effort concurrent write detection
// Message writer fields. writeErrMu sync.Mutex
writeErr error writeErr error
writeBuf []byte // frame is constructed in this buffer.
writePos int // end of data in writeBuf. enableWriteCompression bool
writeFrameType int // type of the current frame. compressionLevel int
writeSeq int // incremented to invalidate message writers. newCompressionWriter func(io.WriteCloser, int) io.WriteCloser
writeDeadline time.Time
isWriting bool // for best-effort concurrent write detection
// Read fields // Read fields
reader io.ReadCloser // the current reader returned to the application
readErr error readErr error
br *bufio.Reader br *bufio.Reader
readRemaining int64 // bytes remaining in current frame. readRemaining int64 // bytes remaining in current frame.
readFinal bool // true the current message has more frames. readFinal bool // true the current message has more frames.
readSeq int // incremented to invalidate message readers.
readLength int64 // Message size. readLength int64 // Message size.
readLimit int64 // Maximum message size. readLimit int64 // Maximum message size.
readMaskPos int readMaskPos int
readMaskKey [4]byte readMaskKey [4]byte
handlePong func(string) error handlePong func(string) error
handlePing func(string) error handlePing func(string) error
handleClose func(int, string) error
readErrCount int readErrCount int
messageReader *messageReader // the current low-level reader
readDecompress bool // whether last read frame had RSV1 set
newDecompressionReader func(io.Reader) io.ReadCloser
} }
func newConn(conn net.Conn, isServer bool, readBufferSize, writeBufferSize int) *Conn { func newConn(conn net.Conn, isServer bool, readBufferSize, writeBufferSize int) *Conn {
return newConnBRW(conn, isServer, readBufferSize, writeBufferSize, nil)
}
type writeHook struct {
p []byte
}
func (wh *writeHook) Write(p []byte) (int, error) {
wh.p = p
return len(p), nil
}
func newConnBRW(conn net.Conn, isServer bool, readBufferSize, writeBufferSize int, brw *bufio.ReadWriter) *Conn {
mu := make(chan bool, 1) mu := make(chan bool, 1)
mu <- true mu <- true
if readBufferSize == 0 { var br *bufio.Reader
readBufferSize = defaultReadBufferSize if readBufferSize == 0 && brw != nil && brw.Reader != nil {
// Reuse the supplied bufio.Reader if the buffer has a useful size.
// This code assumes that peek on a reader returns
// bufio.Reader.buf[:0].
brw.Reader.Reset(conn)
if p, err := brw.Reader.Peek(0); err == nil && cap(p) >= 256 {
br = brw.Reader
}
} }
if writeBufferSize == 0 { if br == nil {
writeBufferSize = defaultWriteBufferSize if readBufferSize == 0 {
readBufferSize = defaultReadBufferSize
}
if readBufferSize < maxControlFramePayloadSize {
readBufferSize = maxControlFramePayloadSize
}
br = bufio.NewReaderSize(conn, readBufferSize)
}
var writeBuf []byte
if writeBufferSize == 0 && brw != nil && brw.Writer != nil {
// Use the bufio.Writer's buffer if the buffer has a useful size. This
// code assumes that bufio.Writer.buf[:1] is passed to the
// bufio.Writer's underlying writer.
var wh writeHook
brw.Writer.Reset(&wh)
brw.Writer.WriteByte(0)
brw.Flush()
if cap(wh.p) >= maxFrameHeaderSize+256 {
writeBuf = wh.p[:cap(wh.p)]
}
}
if writeBuf == nil {
if writeBufferSize == 0 {
writeBufferSize = defaultWriteBufferSize
}
writeBuf = make([]byte, writeBufferSize+maxFrameHeaderSize)
} }
c := &Conn{ c := &Conn{
isServer: isServer, isServer: isServer,
br: bufio.NewReaderSize(conn, readBufferSize), br: br,
conn: conn, conn: conn,
mu: mu, mu: mu,
readFinal: true, readFinal: true,
writeBuf: make([]byte, writeBufferSize+maxFrameHeaderSize), writeBuf: writeBuf,
writeFrameType: noFrame, enableWriteCompression: true,
writePos: maxFrameHeaderSize, compressionLevel: defaultCompressionLevel,
} }
c.SetCloseHandler(nil)
c.SetPingHandler(nil) c.SetPingHandler(nil)
c.SetPongHandler(nil) c.SetPongHandler(nil)
return c return c
@ -279,29 +360,40 @@ func (c *Conn) RemoteAddr() net.Addr {
// Write methods // Write methods
func (c *Conn) writeFatal(err error) error {
err = hideTempErr(err)
c.writeErrMu.Lock()
if c.writeErr == nil {
c.writeErr = err
}
c.writeErrMu.Unlock()
return err
}
func (c *Conn) write(frameType int, deadline time.Time, bufs ...[]byte) error { func (c *Conn) write(frameType int, deadline time.Time, bufs ...[]byte) error {
<-c.mu <-c.mu
defer func() { c.mu <- true }() defer func() { c.mu <- true }()
if c.closeSent { c.writeErrMu.Lock()
return ErrCloseSent err := c.writeErr
} else if frameType == CloseMessage { c.writeErrMu.Unlock()
c.closeSent = true if err != nil {
return err
} }
c.conn.SetWriteDeadline(deadline) c.conn.SetWriteDeadline(deadline)
for _, buf := range bufs { for _, buf := range bufs {
if len(buf) > 0 { if len(buf) > 0 {
n, err := c.conn.Write(buf) _, err := c.conn.Write(buf)
if n != len(buf) {
// Close on partial write.
c.conn.Close()
}
if err != nil { if err != nil {
return err return c.writeFatal(err)
} }
} }
} }
if frameType == CloseMessage {
c.writeFatal(ErrCloseSent)
}
return nil return nil
} }
@ -350,60 +442,104 @@ func (c *Conn) WriteControl(messageType int, data []byte, deadline time.Time) er
} }
defer func() { c.mu <- true }() defer func() { c.mu <- true }()
if c.closeSent { c.writeErrMu.Lock()
return ErrCloseSent err := c.writeErr
} else if messageType == CloseMessage { c.writeErrMu.Unlock()
c.closeSent = true if err != nil {
return err
} }
c.conn.SetWriteDeadline(deadline) c.conn.SetWriteDeadline(deadline)
n, err := c.conn.Write(buf) _, err = c.conn.Write(buf)
if n != 0 && n != len(buf) { if err != nil {
c.conn.Close() return c.writeFatal(err)
} }
return hideTempErr(err) if messageType == CloseMessage {
c.writeFatal(ErrCloseSent)
}
return err
} }
// NextWriter returns a writer for the next message to send. The writer's func (c *Conn) prepWrite(messageType int) error {
// Close method flushes the complete message to the network. // Close previous writer if not already closed by the application. It's
// probably better to return an error in this situation, but we cannot
// change this without breaking existing applications.
if c.writer != nil {
c.writer.Close()
c.writer = nil
}
if !isControl(messageType) && !isData(messageType) {
return errBadWriteOpCode
}
c.writeErrMu.Lock()
err := c.writeErr
c.writeErrMu.Unlock()
return err
}
// NextWriter returns a writer for the next message to send. The writer's Close
// method flushes the complete message to the network.
// //
// There can be at most one open writer on a connection. NextWriter closes the // There can be at most one open writer on a connection. NextWriter closes the
// previous writer if the application has not already done so. // previous writer if the application has not already done so.
func (c *Conn) NextWriter(messageType int) (io.WriteCloser, error) { func (c *Conn) NextWriter(messageType int) (io.WriteCloser, error) {
if c.writeErr != nil { if err := c.prepWrite(messageType); err != nil {
return nil, c.writeErr return nil, err
} }
if c.writeFrameType != noFrame { mw := &messageWriter{
if err := c.flushFrame(true, nil); err != nil { c: c,
return nil, err frameType: messageType,
} pos: maxFrameHeaderSize,
} }
c.writer = mw
if !isControl(messageType) && !isData(messageType) { if c.newCompressionWriter != nil && c.enableWriteCompression && isData(messageType) {
return nil, errBadWriteOpCode w := c.newCompressionWriter(c.writer, c.compressionLevel)
mw.compress = true
c.writer = w
} }
return c.writer, nil
c.writeFrameType = messageType
return messageWriter{c, c.writeSeq}, nil
} }
func (c *Conn) flushFrame(final bool, extra []byte) error { type messageWriter struct {
length := c.writePos - maxFrameHeaderSize + len(extra) c *Conn
compress bool // whether next call to flushFrame should set RSV1
pos int // end of data in writeBuf.
frameType int // type of the current frame.
err error
}
func (w *messageWriter) fatal(err error) error {
if w.err != nil {
w.err = err
w.c.writer = nil
}
return err
}
// flushFrame writes buffered data and extra as a frame to the network. The
// final argument indicates that this is the last frame in the message.
func (w *messageWriter) flushFrame(final bool, extra []byte) error {
c := w.c
length := w.pos - maxFrameHeaderSize + len(extra)
// Check for invalid control frames. // Check for invalid control frames.
if isControl(c.writeFrameType) && if isControl(w.frameType) &&
(!final || length > maxControlFramePayloadSize) { (!final || length > maxControlFramePayloadSize) {
c.writeSeq++ return w.fatal(errInvalidControlFrame)
c.writeFrameType = noFrame
c.writePos = maxFrameHeaderSize
return errInvalidControlFrame
} }
b0 := byte(c.writeFrameType) b0 := byte(w.frameType)
if final { if final {
b0 |= finalBit b0 |= finalBit
} }
if w.compress {
b0 |= rsv1Bit
}
w.compress = false
b1 := byte(0) b1 := byte(0)
if !c.isServer { if !c.isServer {
b1 |= maskBit b1 |= maskBit
@ -435,10 +571,9 @@ func (c *Conn) flushFrame(final bool, extra []byte) error {
if !c.isServer { if !c.isServer {
key := newMaskKey() key := newMaskKey()
copy(c.writeBuf[maxFrameHeaderSize-4:], key[:]) copy(c.writeBuf[maxFrameHeaderSize-4:], key[:])
maskBytes(key, 0, c.writeBuf[maxFrameHeaderSize:c.writePos]) maskBytes(key, 0, c.writeBuf[maxFrameHeaderSize:w.pos])
if len(extra) > 0 { if len(extra) > 0 {
c.writeErr = errors.New("websocket: internal error, extra used in client mode") return c.writeFatal(errors.New("websocket: internal error, extra used in client mode"))
return c.writeErr
} }
} }
@ -451,46 +586,35 @@ func (c *Conn) flushFrame(final bool, extra []byte) error {
} }
c.isWriting = true c.isWriting = true
c.writeErr = c.write(c.writeFrameType, c.writeDeadline, c.writeBuf[framePos:c.writePos], extra) err := c.write(w.frameType, c.writeDeadline, c.writeBuf[framePos:w.pos], extra)
if !c.isWriting { if !c.isWriting {
panic("concurrent write to websocket connection") panic("concurrent write to websocket connection")
} }
c.isWriting = false c.isWriting = false
// Setup for next frame. if err != nil {
c.writePos = maxFrameHeaderSize return w.fatal(err)
c.writeFrameType = continuationFrame }
if final { if final {
c.writeSeq++ c.writer = nil
c.writeFrameType = noFrame return nil
} }
return c.writeErr
}
type messageWriter struct { // Setup for next frame.
c *Conn w.pos = maxFrameHeaderSize
seq int w.frameType = continuationFrame
}
func (w messageWriter) err() error {
c := w.c
if c.writeSeq != w.seq {
return errWriteClosed
}
if c.writeErr != nil {
return c.writeErr
}
return nil return nil
} }
func (w messageWriter) ncopy(max int) (int, error) { func (w *messageWriter) ncopy(max int) (int, error) {
n := len(w.c.writeBuf) - w.c.writePos n := len(w.c.writeBuf) - w.pos
if n <= 0 { if n <= 0 {
if err := w.c.flushFrame(false, nil); err != nil { if err := w.flushFrame(false, nil); err != nil {
return 0, err return 0, err
} }
n = len(w.c.writeBuf) - w.c.writePos n = len(w.c.writeBuf) - w.pos
} }
if n > max { if n > max {
n = max n = max
@ -498,14 +622,14 @@ func (w messageWriter) ncopy(max int) (int, error) {
return n, nil return n, nil
} }
func (w messageWriter) write(final bool, p []byte) (int, error) { func (w *messageWriter) Write(p []byte) (int, error) {
if err := w.err(); err != nil { if w.err != nil {
return 0, err return 0, w.err
} }
if len(p) > 2*len(w.c.writeBuf) && w.c.isServer { if len(p) > 2*len(w.c.writeBuf) && w.c.isServer {
// Don't buffer large messages. // Don't buffer large messages.
err := w.c.flushFrame(final, p) err := w.flushFrame(false, p)
if err != nil { if err != nil {
return 0, err return 0, err
} }
@ -518,20 +642,16 @@ func (w messageWriter) write(final bool, p []byte) (int, error) {
if err != nil { if err != nil {
return 0, err return 0, err
} }
copy(w.c.writeBuf[w.c.writePos:], p[:n]) copy(w.c.writeBuf[w.pos:], p[:n])
w.c.writePos += n w.pos += n
p = p[n:] p = p[n:]
} }
return nn, nil return nn, nil
} }
func (w messageWriter) Write(p []byte) (int, error) { func (w *messageWriter) WriteString(p string) (int, error) {
return w.write(false, p) if w.err != nil {
} return 0, w.err
func (w messageWriter) WriteString(p string) (int, error) {
if err := w.err(); err != nil {
return 0, err
} }
nn := len(p) nn := len(p)
@ -540,27 +660,27 @@ func (w messageWriter) WriteString(p string) (int, error) {
if err != nil { if err != nil {
return 0, err return 0, err
} }
copy(w.c.writeBuf[w.c.writePos:], p[:n]) copy(w.c.writeBuf[w.pos:], p[:n])
w.c.writePos += n w.pos += n
p = p[n:] p = p[n:]
} }
return nn, nil return nn, nil
} }
func (w messageWriter) ReadFrom(r io.Reader) (nn int64, err error) { func (w *messageWriter) ReadFrom(r io.Reader) (nn int64, err error) {
if err := w.err(); err != nil { if w.err != nil {
return 0, err return 0, w.err
} }
for { for {
if w.c.writePos == len(w.c.writeBuf) { if w.pos == len(w.c.writeBuf) {
err = w.c.flushFrame(false, nil) err = w.flushFrame(false, nil)
if err != nil { if err != nil {
break break
} }
} }
var n int var n int
n, err = r.Read(w.c.writeBuf[w.c.writePos:]) n, err = r.Read(w.c.writeBuf[w.pos:])
w.c.writePos += n w.pos += n
nn += int64(n) nn += int64(n)
if err != nil { if err != nil {
if err == io.EOF { if err == io.EOF {
@ -572,30 +692,64 @@ func (w messageWriter) ReadFrom(r io.Reader) (nn int64, err error) {
return nn, err return nn, err
} }
func (w messageWriter) Close() error { func (w *messageWriter) Close() error {
if err := w.err(); err != nil { if w.err != nil {
return w.err
}
if err := w.flushFrame(true, nil); err != nil {
return err return err
} }
return w.c.flushFrame(true, nil) w.err = errWriteClosed
return nil
}
// WritePreparedMessage writes prepared message into connection.
func (c *Conn) WritePreparedMessage(pm *PreparedMessage) error {
frameType, frameData, err := pm.frame(prepareKey{
isServer: c.isServer,
compress: c.newCompressionWriter != nil && c.enableWriteCompression && isData(pm.messageType),
compressionLevel: c.compressionLevel,
})
if err != nil {
return err
}
if c.isWriting {
panic("concurrent write to websocket connection")
}
c.isWriting = true
err = c.write(frameType, c.writeDeadline, frameData, nil)
if !c.isWriting {
panic("concurrent write to websocket connection")
}
c.isWriting = false
return err
} }
// WriteMessage is a helper method for getting a writer using NextWriter, // WriteMessage is a helper method for getting a writer using NextWriter,
// writing the message and closing the writer. // writing the message and closing the writer.
func (c *Conn) WriteMessage(messageType int, data []byte) error { func (c *Conn) WriteMessage(messageType int, data []byte) error {
wr, err := c.NextWriter(messageType)
if c.isServer && (c.newCompressionWriter == nil || !c.enableWriteCompression) {
// Fast path with no allocations and single frame.
if err := c.prepWrite(messageType); err != nil {
return err
}
mw := messageWriter{c: c, frameType: messageType, pos: maxFrameHeaderSize}
n := copy(c.writeBuf[mw.pos:], data)
mw.pos += n
data = data[n:]
return mw.flushFrame(true, data)
}
w, err := c.NextWriter(messageType)
if err != nil { if err != nil {
return err return err
} }
w := wr.(messageWriter) if _, err = w.Write(data); err != nil {
if _, err := w.write(true, data); err != nil {
return err return err
} }
if c.writeSeq == w.seq { return w.Close()
if err := c.flushFrame(true, nil); err != nil {
return err
}
}
return nil
} }
// SetWriteDeadline sets the write deadline on the underlying network // SetWriteDeadline sets the write deadline on the underlying network
@ -609,22 +763,6 @@ func (c *Conn) SetWriteDeadline(t time.Time) error {
// Read methods // Read methods
// readFull is like io.ReadFull except that io.EOF is never returned.
func (c *Conn) readFull(p []byte) (err error) {
var n int
for n < len(p) && err == nil {
var nn int
nn, err = c.br.Read(p[n:])
n += nn
}
if n == len(p) {
err = nil
} else if err == io.EOF {
err = errUnexpectedEOF
}
return
}
func (c *Conn) advanceFrame() (int, error) { func (c *Conn) advanceFrame() (int, error) {
// 1. Skip remainder of previous frame. // 1. Skip remainder of previous frame.
@ -637,19 +775,24 @@ func (c *Conn) advanceFrame() (int, error) {
// 2. Read and parse first two bytes of frame header. // 2. Read and parse first two bytes of frame header.
var b [8]byte p, err := c.read(2)
if err := c.readFull(b[:2]); err != nil { if err != nil {
return noFrame, err return noFrame, err
} }
final := b[0]&finalBit != 0 final := p[0]&finalBit != 0
frameType := int(b[0] & 0xf) frameType := int(p[0] & 0xf)
reserved := int((b[0] >> 4) & 0x7) mask := p[1]&maskBit != 0
mask := b[1]&maskBit != 0 c.readRemaining = int64(p[1] & 0x7f)
c.readRemaining = int64(b[1] & 0x7f)
if reserved != 0 { c.readDecompress = false
return noFrame, c.handleProtocolError("unexpected reserved bits " + strconv.Itoa(reserved)) if c.newDecompressionReader != nil && (p[0]&rsv1Bit) != 0 {
c.readDecompress = true
p[0] &^= rsv1Bit
}
if rsv := p[0] & (rsv1Bit | rsv2Bit | rsv3Bit); rsv != 0 {
return noFrame, c.handleProtocolError("unexpected reserved bits 0x" + strconv.FormatInt(int64(rsv), 16))
} }
switch frameType { switch frameType {
@ -678,15 +821,17 @@ func (c *Conn) advanceFrame() (int, error) {
switch c.readRemaining { switch c.readRemaining {
case 126: case 126:
if err := c.readFull(b[:2]); err != nil { p, err := c.read(2)
if err != nil {
return noFrame, err return noFrame, err
} }
c.readRemaining = int64(binary.BigEndian.Uint16(b[:2])) c.readRemaining = int64(binary.BigEndian.Uint16(p))
case 127: case 127:
if err := c.readFull(b[:8]); err != nil { p, err := c.read(8)
if err != nil {
return noFrame, err return noFrame, err
} }
c.readRemaining = int64(binary.BigEndian.Uint64(b[:8])) c.readRemaining = int64(binary.BigEndian.Uint64(p))
} }
// 4. Handle frame masking. // 4. Handle frame masking.
@ -697,9 +842,11 @@ func (c *Conn) advanceFrame() (int, error) {
if mask { if mask {
c.readMaskPos = 0 c.readMaskPos = 0
if err := c.readFull(c.readMaskKey[:]); err != nil { p, err := c.read(len(c.readMaskKey))
if err != nil {
return noFrame, err return noFrame, err
} }
copy(c.readMaskKey[:], p)
} }
// 5. For text and binary messages, enforce read limit and return. // 5. For text and binary messages, enforce read limit and return.
@ -719,9 +866,9 @@ func (c *Conn) advanceFrame() (int, error) {
var payload []byte var payload []byte
if c.readRemaining > 0 { if c.readRemaining > 0 {
payload = make([]byte, c.readRemaining) payload, err = c.read(int(c.readRemaining))
c.readRemaining = 0 c.readRemaining = 0
if err := c.readFull(payload); err != nil { if err != nil {
return noFrame, err return noFrame, err
} }
if c.isServer { if c.isServer {
@ -741,15 +888,21 @@ func (c *Conn) advanceFrame() (int, error) {
return noFrame, err return noFrame, err
} }
case CloseMessage: case CloseMessage:
echoMessage := []byte{}
closeCode := CloseNoStatusReceived closeCode := CloseNoStatusReceived
closeText := "" closeText := ""
if len(payload) >= 2 { if len(payload) >= 2 {
echoMessage = payload[:2]
closeCode = int(binary.BigEndian.Uint16(payload)) closeCode = int(binary.BigEndian.Uint16(payload))
if !isValidReceivedCloseCode(closeCode) {
return noFrame, c.handleProtocolError("invalid close code")
}
closeText = string(payload[2:]) closeText = string(payload[2:])
if !utf8.ValidString(closeText) {
return noFrame, c.handleProtocolError("invalid utf8 payload in close frame")
}
}
if err := c.handleClose(closeCode, closeText); err != nil {
return noFrame, err
} }
c.WriteControl(CloseMessage, echoMessage, time.Now().Add(writeWait))
return noFrame, &CloseError{Code: closeCode, Text: closeText} return noFrame, &CloseError{Code: closeCode, Text: closeText}
} }
@ -772,8 +925,13 @@ func (c *Conn) handleProtocolError(message string) error {
// permanent. Once this method returns a non-nil error, all subsequent calls to // permanent. Once this method returns a non-nil error, all subsequent calls to
// this method return the same error. // this method return the same error.
func (c *Conn) NextReader() (messageType int, r io.Reader, err error) { func (c *Conn) NextReader() (messageType int, r io.Reader, err error) {
// Close previous reader, only relevant for decompression.
if c.reader != nil {
c.reader.Close()
c.reader = nil
}
c.readSeq++ c.messageReader = nil
c.readLength = 0 c.readLength = 0
for c.readErr == nil { for c.readErr == nil {
@ -783,7 +941,12 @@ func (c *Conn) NextReader() (messageType int, r io.Reader, err error) {
break break
} }
if frameType == TextMessage || frameType == BinaryMessage { if frameType == TextMessage || frameType == BinaryMessage {
return frameType, messageReader{c, c.readSeq}, nil c.messageReader = &messageReader{c}
c.reader = c.messageReader
if c.readDecompress {
c.reader = c.newDecompressionReader(c.reader)
}
return frameType, c.reader, nil
} }
} }
@ -798,53 +961,57 @@ func (c *Conn) NextReader() (messageType int, r io.Reader, err error) {
return noFrame, nil, c.readErr return noFrame, nil, c.readErr
} }
type messageReader struct { type messageReader struct{ c *Conn }
c *Conn
seq int
}
func (r messageReader) Read(b []byte) (int, error) { func (r *messageReader) Read(b []byte) (int, error) {
c := r.c
if r.seq != r.c.readSeq { if c.messageReader != r {
return 0, io.EOF return 0, io.EOF
} }
for r.c.readErr == nil { for c.readErr == nil {
if r.c.readRemaining > 0 { if c.readRemaining > 0 {
if int64(len(b)) > r.c.readRemaining { if int64(len(b)) > c.readRemaining {
b = b[:r.c.readRemaining] b = b[:c.readRemaining]
} }
n, err := r.c.br.Read(b) n, err := c.br.Read(b)
r.c.readErr = hideTempErr(err) c.readErr = hideTempErr(err)
if r.c.isServer { if c.isServer {
r.c.readMaskPos = maskBytes(r.c.readMaskKey, r.c.readMaskPos, b[:n]) c.readMaskPos = maskBytes(c.readMaskKey, c.readMaskPos, b[:n])
} }
r.c.readRemaining -= int64(n) c.readRemaining -= int64(n)
return n, r.c.readErr if c.readRemaining > 0 && c.readErr == io.EOF {
c.readErr = errUnexpectedEOF
}
return n, c.readErr
} }
if r.c.readFinal { if c.readFinal {
r.c.readSeq++ c.messageReader = nil
return 0, io.EOF return 0, io.EOF
} }
frameType, err := r.c.advanceFrame() frameType, err := c.advanceFrame()
switch { switch {
case err != nil: case err != nil:
r.c.readErr = hideTempErr(err) c.readErr = hideTempErr(err)
case frameType == TextMessage || frameType == BinaryMessage: case frameType == TextMessage || frameType == BinaryMessage:
r.c.readErr = errors.New("websocket: internal error, unexpected text or binary in Reader") c.readErr = errors.New("websocket: internal error, unexpected text or binary in Reader")
} }
} }
err := r.c.readErr err := c.readErr
if err == io.EOF && r.seq == r.c.readSeq { if err == io.EOF && c.messageReader == r {
err = errUnexpectedEOF err = errUnexpectedEOF
} }
return 0, err return 0, err
} }
func (r *messageReader) Close() error {
return nil
}
// ReadMessage is a helper method for getting a reader using NextReader and // ReadMessage is a helper method for getting a reader using NextReader and
// reading from that reader to a buffer. // reading from that reader to a buffer.
func (c *Conn) ReadMessage() (messageType int, p []byte, err error) { func (c *Conn) ReadMessage() (messageType int, p []byte, err error) {
@ -872,9 +1039,49 @@ func (c *Conn) SetReadLimit(limit int64) {
c.readLimit = limit c.readLimit = limit
} }
// CloseHandler returns the current close handler
func (c *Conn) CloseHandler() func(code int, text string) error {
return c.handleClose
}
// SetCloseHandler sets the handler for close messages received from the peer.
// The code argument to h is the received close code or CloseNoStatusReceived
// if the close message is empty. The default close handler sends a close frame
// back to the peer.
//
// The application must read the connection to process close messages as
// described in the section on Control Frames above.
//
// The connection read methods return a CloseError when a close frame is
// received. Most applications should handle close messages as part of their
// normal error handling. Applications should only set a close handler when the
// application must perform some action before sending a close frame back to
// the peer.
func (c *Conn) SetCloseHandler(h func(code int, text string) error) {
if h == nil {
h = func(code int, text string) error {
message := []byte{}
if code != CloseNoStatusReceived {
message = FormatCloseMessage(code, "")
}
c.WriteControl(CloseMessage, message, time.Now().Add(writeWait))
return nil
}
}
c.handleClose = h
}
// PingHandler returns the current ping handler
func (c *Conn) PingHandler() func(appData string) error {
return c.handlePing
}
// SetPingHandler sets the handler for ping messages received from the peer. // SetPingHandler sets the handler for ping messages received from the peer.
// The appData argument to h is the PING frame application data. The default // The appData argument to h is the PING frame application data. The default
// ping handler sends a pong to the peer. // ping handler sends a pong to the peer.
//
// The application must read the connection to process ping messages as
// described in the section on Control Frames above.
func (c *Conn) SetPingHandler(h func(appData string) error) { func (c *Conn) SetPingHandler(h func(appData string) error) {
if h == nil { if h == nil {
h = func(message string) error { h = func(message string) error {
@ -890,9 +1097,17 @@ func (c *Conn) SetPingHandler(h func(appData string) error) {
c.handlePing = h c.handlePing = h
} }
// PongHandler returns the current pong handler
func (c *Conn) PongHandler() func(appData string) error {
return c.handlePong
}
// SetPongHandler sets the handler for pong messages received from the peer. // SetPongHandler sets the handler for pong messages received from the peer.
// The appData argument to h is the PONG frame application data. The default // The appData argument to h is the PONG frame application data. The default
// pong handler does nothing. // pong handler does nothing.
//
// The application must read the connection to process ping messages as
// described in the section on Control Frames above.
func (c *Conn) SetPongHandler(h func(appData string) error) { func (c *Conn) SetPongHandler(h func(appData string) error) {
if h == nil { if h == nil {
h = func(string) error { return nil } h = func(string) error { return nil }
@ -906,6 +1121,25 @@ func (c *Conn) UnderlyingConn() net.Conn {
return c.conn return c.conn
} }
// EnableWriteCompression enables and disables write compression of
// subsequent text and binary messages. This function is a noop if
// compression was not negotiated with the peer.
func (c *Conn) EnableWriteCompression(enable bool) {
c.enableWriteCompression = enable
}
// SetCompressionLevel sets the flate compression level for subsequent text and
// binary messages. This function is a noop if compression was not negotiated
// with the peer. See the compress/flate package for a description of
// compression levels.
func (c *Conn) SetCompressionLevel(level int) error {
if !isValidCompressionLevel(level) {
return errors.New("websocket: invalid compression level")
}
c.compressionLevel = level
return nil
}
// FormatCloseMessage formats closeCode and text as a WebSocket close message. // FormatCloseMessage formats closeCode and text as a WebSocket close message.
func FormatCloseMessage(closeCode int, text string) []byte { func FormatCloseMessage(closeCode int, text string) []byte {
buf := make([]byte, 2+len(text)) buf := make([]byte, 2+len(text))

18
vendor/github.com/gorilla/websocket/conn_read.go generated vendored Normal file
View File

@ -0,0 +1,18 @@
// Copyright 2016 The Gorilla WebSocket Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.5
package websocket
import "io"
func (c *Conn) read(n int) ([]byte, error) {
p, err := c.br.Peek(n)
if err == io.EOF {
err = errUnexpectedEOF
}
c.br.Discard(len(p))
return p, err
}

View File

@ -0,0 +1,21 @@
// Copyright 2016 The Gorilla WebSocket Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !go1.5
package websocket
import "io"
func (c *Conn) read(n int) ([]byte, error) {
p, err := c.br.Peek(n)
if err == io.EOF {
err = errUnexpectedEOF
}
if len(p) > 0 {
// advance over the bytes just read
io.ReadFull(c.br, p)
}
return p, err
}

View File

@ -118,9 +118,10 @@
// //
// Applications are responsible for ensuring that no more than one goroutine // Applications are responsible for ensuring that no more than one goroutine
// calls the write methods (NextWriter, SetWriteDeadline, WriteMessage, // calls the write methods (NextWriter, SetWriteDeadline, WriteMessage,
// WriteJSON) concurrently and that no more than one goroutine calls the read // WriteJSON, EnableWriteCompression, SetCompressionLevel) concurrently and
// methods (NextReader, SetReadDeadline, ReadMessage, ReadJSON, SetPongHandler, // that no more than one goroutine calls the read methods (NextReader,
// SetPingHandler) concurrently. // SetReadDeadline, ReadMessage, ReadJSON, SetPongHandler, SetPingHandler)
// concurrently.
// //
// The Close and WriteControl methods can be called concurrently with all other // The Close and WriteControl methods can be called concurrently with all other
// methods. // methods.
@ -149,4 +150,31 @@
// The deprecated Upgrade function does not enforce an origin policy. It's the // The deprecated Upgrade function does not enforce an origin policy. It's the
// application's responsibility to check the Origin header before calling // application's responsibility to check the Origin header before calling
// Upgrade. // Upgrade.
//
// Compression EXPERIMENTAL
//
// Per message compression extensions (RFC 7692) are experimentally supported
// by this package in a limited capacity. Setting the EnableCompression option
// to true in Dialer or Upgrader will attempt to negotiate per message deflate
// support.
//
// var upgrader = websocket.Upgrader{
// EnableCompression: true,
// }
//
// If compression was successfully negotiated with the connection's peer, any
// message received in compressed form will be automatically decompressed.
// All Read methods will return uncompressed bytes.
//
// Per message compression of messages written to a connection can be enabled
// or disabled by calling the corresponding Conn method:
//
// conn.EnableWriteCompression(false)
//
// Currently this package does not support compression with "context takeover".
// This means that messages must be compressed and decompressed in isolation,
// without retaining sliding window or dictionary state across messages. For
// more details refer to RFC 7692.
//
// Use of compression is experimental and may result in decreased performance.
package websocket package websocket

View File

@ -8,17 +8,19 @@ package main
import ( import (
"errors" "errors"
"flag" "flag"
"github.com/gorilla/websocket"
"io" "io"
"log" "log"
"net/http" "net/http"
"time" "time"
"unicode/utf8" "unicode/utf8"
"github.com/gorilla/websocket"
) )
var upgrader = websocket.Upgrader{ var upgrader = websocket.Upgrader{
ReadBufferSize: 4096, ReadBufferSize: 4096,
WriteBufferSize: 4096, WriteBufferSize: 4096,
EnableCompression: true,
CheckOrigin: func(r *http.Request) bool { CheckOrigin: func(r *http.Request) bool {
return true return true
}, },
@ -83,7 +85,7 @@ func echoCopyFull(w http.ResponseWriter, r *http.Request) {
// echoReadAll echoes messages from the client by reading the entire message // echoReadAll echoes messages from the client by reading the entire message
// with ioutil.ReadAll. // with ioutil.ReadAll.
func echoReadAll(w http.ResponseWriter, r *http.Request, writeMessage bool) { func echoReadAll(w http.ResponseWriter, r *http.Request, writeMessage, writePrepared bool) {
conn, err := upgrader.Upgrade(w, r, nil) conn, err := upgrader.Upgrade(w, r, nil)
if err != nil { if err != nil {
log.Println("Upgrade:", err) log.Println("Upgrade:", err)
@ -107,9 +109,21 @@ func echoReadAll(w http.ResponseWriter, r *http.Request, writeMessage bool) {
} }
} }
if writeMessage { if writeMessage {
err = conn.WriteMessage(mt, b) if !writePrepared {
if err != nil { err = conn.WriteMessage(mt, b)
log.Println("WriteMessage:", err) if err != nil {
log.Println("WriteMessage:", err)
}
} else {
pm, err := websocket.NewPreparedMessage(mt, b)
if err != nil {
log.Println("NewPreparedMessage:", err)
return
}
err = conn.WritePreparedMessage(pm)
if err != nil {
log.Println("WritePreparedMessage:", err)
}
} }
} else { } else {
w, err := conn.NextWriter(mt) w, err := conn.NextWriter(mt)
@ -130,11 +144,15 @@ func echoReadAll(w http.ResponseWriter, r *http.Request, writeMessage bool) {
} }
func echoReadAllWriter(w http.ResponseWriter, r *http.Request) { func echoReadAllWriter(w http.ResponseWriter, r *http.Request) {
echoReadAll(w, r, false) echoReadAll(w, r, false, false)
} }
func echoReadAllWriteMessage(w http.ResponseWriter, r *http.Request) { func echoReadAllWriteMessage(w http.ResponseWriter, r *http.Request) {
echoReadAll(w, r, true) echoReadAll(w, r, true, false)
}
func echoReadAllWritePreparedMessage(w http.ResponseWriter, r *http.Request) {
echoReadAll(w, r, true, true)
} }
func serveHome(w http.ResponseWriter, r *http.Request) { func serveHome(w http.ResponseWriter, r *http.Request) {
@ -159,6 +177,7 @@ func main() {
http.HandleFunc("/f", echoCopyFull) http.HandleFunc("/f", echoCopyFull)
http.HandleFunc("/r", echoReadAllWriter) http.HandleFunc("/r", echoReadAllWriter)
http.HandleFunc("/m", echoReadAllWriteMessage) http.HandleFunc("/m", echoReadAllWriteMessage)
http.HandleFunc("/p", echoReadAllWritePreparedMessage)
err := http.ListenAndServe(*addr, nil) err := http.ListenAndServe(*addr, nil)
if err != nil { if err != nil {
log.Fatal("ListenAndServe: ", err) log.Fatal("ListenAndServe: ", err)

View File

@ -0,0 +1,134 @@
// Copyright 2013 The Gorilla WebSocket Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"bytes"
"log"
"net/http"
"time"
"github.com/gorilla/websocket"
)
const (
// Time allowed to write a message to the peer.
writeWait = 10 * time.Second
// Time allowed to read the next pong message from the peer.
pongWait = 60 * time.Second
// Send pings to peer with this period. Must be less than pongWait.
pingPeriod = (pongWait * 9) / 10
// Maximum message size allowed from peer.
maxMessageSize = 512
)
var (
newline = []byte{'\n'}
space = []byte{' '}
)
var upgrader = websocket.Upgrader{
ReadBufferSize: 1024,
WriteBufferSize: 1024,
}
// Client is a middleman between the websocket connection and the hub.
type Client struct {
hub *Hub
// The websocket connection.
conn *websocket.Conn
// Buffered channel of outbound messages.
send chan []byte
}
// readPump pumps messages from the websocket connection to the hub.
//
// The application runs readPump in a per-connection goroutine. The application
// ensures that there is at most one reader on a connection by executing all
// reads from this goroutine.
func (c *Client) readPump() {
defer func() {
c.hub.unregister <- c
c.conn.Close()
}()
c.conn.SetReadLimit(maxMessageSize)
c.conn.SetReadDeadline(time.Now().Add(pongWait))
c.conn.SetPongHandler(func(string) error { c.conn.SetReadDeadline(time.Now().Add(pongWait)); return nil })
for {
_, message, err := c.conn.ReadMessage()
if err != nil {
if websocket.IsUnexpectedCloseError(err, websocket.CloseGoingAway) {
log.Printf("error: %v", err)
}
break
}
message = bytes.TrimSpace(bytes.Replace(message, newline, space, -1))
c.hub.broadcast <- message
}
}
// writePump pumps messages from the hub to the websocket connection.
//
// A goroutine running writePump is started for each connection. The
// application ensures that there is at most one writer to a connection by
// executing all writes from this goroutine.
func (c *Client) writePump() {
ticker := time.NewTicker(pingPeriod)
defer func() {
ticker.Stop()
c.conn.Close()
}()
for {
select {
case message, ok := <-c.send:
c.conn.SetWriteDeadline(time.Now().Add(writeWait))
if !ok {
// The hub closed the channel.
c.conn.WriteMessage(websocket.CloseMessage, []byte{})
return
}
w, err := c.conn.NextWriter(websocket.TextMessage)
if err != nil {
return
}
w.Write(message)
// Add queued chat messages to the current websocket message.
n := len(c.send)
for i := 0; i < n; i++ {
w.Write(newline)
w.Write(<-c.send)
}
if err := w.Close(); err != nil {
return
}
case <-ticker.C:
c.conn.SetWriteDeadline(time.Now().Add(writeWait))
if err := c.conn.WriteMessage(websocket.PingMessage, []byte{}); err != nil {
return
}
}
}
}
// serveWs handles websocket requests from the peer.
func serveWs(hub *Hub, w http.ResponseWriter, r *http.Request) {
conn, err := upgrader.Upgrade(w, r, nil)
if err != nil {
log.Println(err)
return
}
client := &Client{hub: hub, conn: conn, send: make(chan []byte, 256)}
client.hub.register <- client
go client.writePump()
client.readPump()
}

View File

@ -1,105 +0,0 @@
// Copyright 2013 The Gorilla WebSocket Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"github.com/gorilla/websocket"
"log"
"net/http"
"time"
)
const (
// Time allowed to write a message to the peer.
writeWait = 10 * time.Second
// Time allowed to read the next pong message from the peer.
pongWait = 60 * time.Second
// Send pings to peer with this period. Must be less than pongWait.
pingPeriod = (pongWait * 9) / 10
// Maximum message size allowed from peer.
maxMessageSize = 512
)
var upgrader = websocket.Upgrader{
ReadBufferSize: 1024,
WriteBufferSize: 1024,
}
// connection is an middleman between the websocket connection and the hub.
type connection struct {
// The websocket connection.
ws *websocket.Conn
// Buffered channel of outbound messages.
send chan []byte
}
// readPump pumps messages from the websocket connection to the hub.
func (c *connection) readPump() {
defer func() {
h.unregister <- c
c.ws.Close()
}()
c.ws.SetReadLimit(maxMessageSize)
c.ws.SetReadDeadline(time.Now().Add(pongWait))
c.ws.SetPongHandler(func(string) error { c.ws.SetReadDeadline(time.Now().Add(pongWait)); return nil })
for {
_, message, err := c.ws.ReadMessage()
if err != nil {
if websocket.IsUnexpectedCloseError(err, websocket.CloseGoingAway) {
log.Printf("error: %v", err)
}
break
}
h.broadcast <- message
}
}
// write writes a message with the given message type and payload.
func (c *connection) write(mt int, payload []byte) error {
c.ws.SetWriteDeadline(time.Now().Add(writeWait))
return c.ws.WriteMessage(mt, payload)
}
// writePump pumps messages from the hub to the websocket connection.
func (c *connection) writePump() {
ticker := time.NewTicker(pingPeriod)
defer func() {
ticker.Stop()
c.ws.Close()
}()
for {
select {
case message, ok := <-c.send:
if !ok {
c.write(websocket.CloseMessage, []byte{})
return
}
if err := c.write(websocket.TextMessage, message); err != nil {
return
}
case <-ticker.C:
if err := c.write(websocket.PingMessage, []byte{}); err != nil {
return
}
}
}
}
// serveWs handles websocket requests from the peer.
func serveWs(w http.ResponseWriter, r *http.Request) {
ws, err := upgrader.Upgrade(w, r, nil)
if err != nil {
log.Println(err)
return
}
c := &connection{send: make(chan []byte, 256), ws: ws}
h.register <- c
go c.writePump()
c.readPump()
}

View File

@ -4,46 +4,48 @@
package main package main
// hub maintains the set of active connections and broadcasts messages to the // hub maintains the set of active clients and broadcasts messages to the
// connections. // clients.
type hub struct { type Hub struct {
// Registered connections. // Registered clients.
connections map[*connection]bool clients map[*Client]bool
// Inbound messages from the connections. // Inbound messages from the clients.
broadcast chan []byte broadcast chan []byte
// Register requests from the connections. // Register requests from the clients.
register chan *connection register chan *Client
// Unregister requests from connections. // Unregister requests from clients.
unregister chan *connection unregister chan *Client
} }
var h = hub{ func newHub() *Hub {
broadcast: make(chan []byte), return &Hub{
register: make(chan *connection), broadcast: make(chan []byte),
unregister: make(chan *connection), register: make(chan *Client),
connections: make(map[*connection]bool), unregister: make(chan *Client),
clients: make(map[*Client]bool),
}
} }
func (h *hub) run() { func (h *Hub) run() {
for { for {
select { select {
case c := <-h.register: case client := <-h.register:
h.connections[c] = true h.clients[client] = true
case c := <-h.unregister: case client := <-h.unregister:
if _, ok := h.connections[c]; ok { if _, ok := h.clients[client]; ok {
delete(h.connections, c) delete(h.clients, client)
close(c.send) close(client.send)
} }
case m := <-h.broadcast: case message := <-h.broadcast:
for c := range h.connections { for client := range h.clients {
select { select {
case c.send <- m: case client.send <- message:
default: default:
close(c.send) close(client.send)
delete(h.connections, c) delete(h.clients, client)
} }
} }
} }

View File

@ -8,13 +8,12 @@ import (
"flag" "flag"
"log" "log"
"net/http" "net/http"
"text/template"
) )
var addr = flag.String("addr", ":8080", "http service address") var addr = flag.String("addr", ":8080", "http service address")
var homeTempl = template.Must(template.ParseFiles("home.html"))
func serveHome(w http.ResponseWriter, r *http.Request) { func serveHome(w http.ResponseWriter, r *http.Request) {
log.Println(r.URL)
if r.URL.Path != "/" { if r.URL.Path != "/" {
http.Error(w, "Not found", 404) http.Error(w, "Not found", 404)
return return
@ -23,15 +22,17 @@ func serveHome(w http.ResponseWriter, r *http.Request) {
http.Error(w, "Method not allowed", 405) http.Error(w, "Method not allowed", 405)
return return
} }
w.Header().Set("Content-Type", "text/html; charset=utf-8") http.ServeFile(w, r, "home.html")
homeTempl.Execute(w, r.Host)
} }
func main() { func main() {
flag.Parse() flag.Parse()
go h.run() hub := newHub()
go hub.run()
http.HandleFunc("/", serveHome) http.HandleFunc("/", serveHome)
http.HandleFunc("/ws", serveWs) http.HandleFunc("/ws", func(w http.ResponseWriter, r *http.Request) {
serveWs(hub, w, r)
})
err := http.ListenAndServe(*addr, nil) err := http.ListenAndServe(*addr, nil)
if err != nil { if err != nil {
log.Fatal("ListenAndServe: ", err) log.Fatal("ListenAndServe: ", err)

View File

@ -12,16 +12,14 @@ import (
"net/http" "net/http"
"os" "os"
"os/exec" "os/exec"
"text/template"
"time" "time"
"github.com/gorilla/websocket" "github.com/gorilla/websocket"
) )
var ( var (
addr = flag.String("addr", "127.0.0.1:8080", "http service address") addr = flag.String("addr", "127.0.0.1:8080", "http service address")
cmdPath string cmdPath string
homeTempl = template.Must(template.ParseFiles("home.html"))
) )
const ( const (
@ -36,6 +34,9 @@ const (
// Send pings to peer with this period. Must be less than pongWait. // Send pings to peer with this period. Must be less than pongWait.
pingPeriod = (pongWait * 9) / 10 pingPeriod = (pongWait * 9) / 10
// Time to wait before force close on connection.
closeGracePeriod = 10 * time.Second
) )
func pumpStdin(ws *websocket.Conn, w io.Writer) { func pumpStdin(ws *websocket.Conn, w io.Writer) {
@ -57,19 +58,24 @@ func pumpStdin(ws *websocket.Conn, w io.Writer) {
func pumpStdout(ws *websocket.Conn, r io.Reader, done chan struct{}) { func pumpStdout(ws *websocket.Conn, r io.Reader, done chan struct{}) {
defer func() { defer func() {
ws.Close()
close(done)
}() }()
s := bufio.NewScanner(r) s := bufio.NewScanner(r)
for s.Scan() { for s.Scan() {
ws.SetWriteDeadline(time.Now().Add(writeWait)) ws.SetWriteDeadline(time.Now().Add(writeWait))
if err := ws.WriteMessage(websocket.TextMessage, s.Bytes()); err != nil { if err := ws.WriteMessage(websocket.TextMessage, s.Bytes()); err != nil {
ws.Close()
break break
} }
} }
if s.Err() != nil { if s.Err() != nil {
log.Println("scan:", s.Err()) log.Println("scan:", s.Err())
} }
close(done)
ws.SetWriteDeadline(time.Now().Add(writeWait))
ws.WriteMessage(websocket.CloseMessage, websocket.FormatCloseMessage(websocket.CloseNormalClosure, ""))
time.Sleep(closeGracePeriod)
ws.Close()
} }
func ping(ws *websocket.Conn, done chan struct{}) { func ping(ws *websocket.Conn, done chan struct{}) {
@ -168,8 +174,7 @@ func serveHome(w http.ResponseWriter, r *http.Request) {
http.Error(w, "Method not allowed", 405) http.Error(w, "Method not allowed", 405)
return return
} }
w.Header().Set("Content-Type", "text/html; charset=utf-8") http.ServeFile(w, r, "home.html")
homeTempl.Execute(w, r.Host)
} }
func main() { func main() {

View File

@ -6,12 +6,12 @@ package main
import ( import (
"flag" "flag"
"html/template"
"io/ioutil" "io/ioutil"
"log" "log"
"net/http" "net/http"
"os" "os"
"strconv" "strconv"
"text/template"
"time" "time"
"github.com/gorilla/websocket" "github.com/gorilla/websocket"
@ -120,7 +120,7 @@ func serveWs(w http.ResponseWriter, r *http.Request) {
} }
var lastMod time.Time var lastMod time.Time
if n, err := strconv.ParseInt(r.FormValue("lastMod"), 16, 64); err != nil { if n, err := strconv.ParseInt(r.FormValue("lastMod"), 16, 64); err == nil {
lastMod = time.Unix(0, n) lastMod = time.Unix(0, n)
} }

55
vendor/github.com/gorilla/websocket/mask.go generated vendored Normal file
View File

@ -0,0 +1,55 @@
// Copyright 2016 The Gorilla WebSocket Authors. All rights reserved. Use of
// this source code is governed by a BSD-style license that can be found in the
// LICENSE file.
// +build !appengine
package websocket
import "unsafe"
const wordSize = int(unsafe.Sizeof(uintptr(0)))
func maskBytes(key [4]byte, pos int, b []byte) int {
// Mask one byte at a time for small buffers.
if len(b) < 2*wordSize {
for i := range b {
b[i] ^= key[pos&3]
pos++
}
return pos & 3
}
// Mask one byte at a time to word boundary.
if n := int(uintptr(unsafe.Pointer(&b[0]))) % wordSize; n != 0 {
n = wordSize - n
for i := range b[:n] {
b[i] ^= key[pos&3]
pos++
}
b = b[n:]
}
// Create aligned word size key.
var k [wordSize]byte
for i := range k {
k[i] = key[(pos+i)&3]
}
kw := *(*uintptr)(unsafe.Pointer(&k))
// Mask one word at a time.
n := (len(b) / wordSize) * wordSize
for i := 0; i < n; i += wordSize {
*(*uintptr)(unsafe.Pointer(uintptr(unsafe.Pointer(&b[0])) + uintptr(i))) ^= kw
}
// Mask one byte at a time for remaining bytes.
b = b[n:]
for i := range b {
b[i] ^= key[pos&3]
pos++
}
return pos & 3
}

15
vendor/github.com/gorilla/websocket/mask_safe.go generated vendored Normal file
View File

@ -0,0 +1,15 @@
// Copyright 2016 The Gorilla WebSocket Authors. All rights reserved. Use of
// this source code is governed by a BSD-style license that can be found in the
// LICENSE file.
// +build appengine
package websocket
func maskBytes(key [4]byte, pos int, b []byte) int {
for i := range b {
b[i] ^= key[pos&3]
pos++
}
return pos & 3
}

103
vendor/github.com/gorilla/websocket/prepared.go generated vendored Normal file
View File

@ -0,0 +1,103 @@
// Copyright 2017 The Gorilla WebSocket Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package websocket
import (
"bytes"
"net"
"sync"
"time"
)
// PreparedMessage caches on the wire representations of a message payload.
// Use PreparedMessage to efficiently send a message payload to multiple
// connections. PreparedMessage is especially useful when compression is used
// because the CPU and memory expensive compression operation can be executed
// once for a given set of compression options.
type PreparedMessage struct {
messageType int
data []byte
err error
mu sync.Mutex
frames map[prepareKey]*preparedFrame
}
// prepareKey defines a unique set of options to cache prepared frames in PreparedMessage.
type prepareKey struct {
isServer bool
compress bool
compressionLevel int
}
// preparedFrame contains data in wire representation.
type preparedFrame struct {
once sync.Once
data []byte
}
// NewPreparedMessage returns an initialized PreparedMessage. You can then send
// it to connection using WritePreparedMessage method. Valid wire
// representation will be calculated lazily only once for a set of current
// connection options.
func NewPreparedMessage(messageType int, data []byte) (*PreparedMessage, error) {
pm := &PreparedMessage{
messageType: messageType,
frames: make(map[prepareKey]*preparedFrame),
data: data,
}
// Prepare a plain server frame.
_, frameData, err := pm.frame(prepareKey{isServer: true, compress: false})
if err != nil {
return nil, err
}
// To protect against caller modifying the data argument, remember the data
// copied to the plain server frame.
pm.data = frameData[len(frameData)-len(data):]
return pm, nil
}
func (pm *PreparedMessage) frame(key prepareKey) (int, []byte, error) {
pm.mu.Lock()
frame, ok := pm.frames[key]
if !ok {
frame = &preparedFrame{}
pm.frames[key] = frame
}
pm.mu.Unlock()
var err error
frame.once.Do(func() {
// Prepare a frame using a 'fake' connection.
// TODO: Refactor code in conn.go to allow more direct construction of
// the frame.
mu := make(chan bool, 1)
mu <- true
var nc prepareConn
c := &Conn{
conn: &nc,
mu: mu,
isServer: key.isServer,
compressionLevel: key.compressionLevel,
enableWriteCompression: true,
writeBuf: make([]byte, defaultWriteBufferSize+maxFrameHeaderSize),
}
if key.compress {
c.newCompressionWriter = compressNoContextTakeover
}
err = c.WriteMessage(pm.messageType, pm.data)
frame.data = nc.buf.Bytes()
})
return pm.messageType, frame.data, err
}
type prepareConn struct {
buf bytes.Buffer
net.Conn
}
func (pc *prepareConn) Write(p []byte) (int, error) { return pc.buf.Write(p) }
func (pc *prepareConn) SetWriteDeadline(t time.Time) error { return nil }

View File

@ -28,8 +28,9 @@ type Upgrader struct {
HandshakeTimeout time.Duration HandshakeTimeout time.Duration
// ReadBufferSize and WriteBufferSize specify I/O buffer sizes. If a buffer // ReadBufferSize and WriteBufferSize specify I/O buffer sizes. If a buffer
// size is zero, then a default value of 4096 is used. The I/O buffer sizes // size is zero, then buffers allocated by the HTTP server are used. The
// do not limit the size of the messages that can be sent or received. // I/O buffer sizes do not limit the size of the messages that can be sent
// or received.
ReadBufferSize, WriteBufferSize int ReadBufferSize, WriteBufferSize int
// Subprotocols specifies the server's supported protocols in order of // Subprotocols specifies the server's supported protocols in order of
@ -46,6 +47,12 @@ type Upgrader struct {
// CheckOrigin is nil, the host in the Origin header must not be set or // CheckOrigin is nil, the host in the Origin header must not be set or
// must match the host of the request. // must match the host of the request.
CheckOrigin func(r *http.Request) bool CheckOrigin func(r *http.Request) bool
// EnableCompression specify if the server should attempt to negotiate per
// message compression (RFC 7692). Setting this value to true does not
// guarantee that compression will be supported. Currently only "no context
// takeover" modes are supported.
EnableCompression bool
} }
func (u *Upgrader) returnError(w http.ResponseWriter, r *http.Request, status int, reason string) (*Conn, error) { func (u *Upgrader) returnError(w http.ResponseWriter, r *http.Request, status int, reason string) (*Conn, error) {
@ -53,6 +60,7 @@ func (u *Upgrader) returnError(w http.ResponseWriter, r *http.Request, status in
if u.Error != nil { if u.Error != nil {
u.Error(w, r, status, err) u.Error(w, r, status, err)
} else { } else {
w.Header().Set("Sec-Websocket-Version", "13")
http.Error(w, http.StatusText(status), status) http.Error(w, http.StatusText(status), status)
} }
return nil, err return nil, err
@ -97,18 +105,23 @@ func (u *Upgrader) selectSubprotocol(r *http.Request, responseHeader http.Header
// response. // response.
func (u *Upgrader) Upgrade(w http.ResponseWriter, r *http.Request, responseHeader http.Header) (*Conn, error) { func (u *Upgrader) Upgrade(w http.ResponseWriter, r *http.Request, responseHeader http.Header) (*Conn, error) {
if r.Method != "GET" { if r.Method != "GET" {
return u.returnError(w, r, http.StatusMethodNotAllowed, "websocket: method not GET") return u.returnError(w, r, http.StatusMethodNotAllowed, "websocket: not a websocket handshake: request method is not GET")
} }
if values := r.Header["Sec-Websocket-Version"]; len(values) == 0 || values[0] != "13" {
return u.returnError(w, r, http.StatusBadRequest, "websocket: version != 13") if _, ok := responseHeader["Sec-Websocket-Extensions"]; ok {
return u.returnError(w, r, http.StatusInternalServerError, "websocket: application specific 'Sec-Websocket-Extensions' headers are unsupported")
} }
if !tokenListContainsValue(r.Header, "Connection", "upgrade") { if !tokenListContainsValue(r.Header, "Connection", "upgrade") {
return u.returnError(w, r, http.StatusBadRequest, "websocket: could not find connection header with token 'upgrade'") return u.returnError(w, r, http.StatusBadRequest, "websocket: not a websocket handshake: 'upgrade' token not found in 'Connection' header")
} }
if !tokenListContainsValue(r.Header, "Upgrade", "websocket") { if !tokenListContainsValue(r.Header, "Upgrade", "websocket") {
return u.returnError(w, r, http.StatusBadRequest, "websocket: could not find upgrade header with token 'websocket'") return u.returnError(w, r, http.StatusBadRequest, "websocket: not a websocket handshake: 'websocket' token not found in 'Upgrade' header")
}
if !tokenListContainsValue(r.Header, "Sec-Websocket-Version", "13") {
return u.returnError(w, r, http.StatusBadRequest, "websocket: unsupported version: 13 not found in 'Sec-Websocket-Version' header")
} }
checkOrigin := u.CheckOrigin checkOrigin := u.CheckOrigin
@ -116,19 +129,30 @@ func (u *Upgrader) Upgrade(w http.ResponseWriter, r *http.Request, responseHeade
checkOrigin = checkSameOrigin checkOrigin = checkSameOrigin
} }
if !checkOrigin(r) { if !checkOrigin(r) {
return u.returnError(w, r, http.StatusForbidden, "websocket: origin not allowed") return u.returnError(w, r, http.StatusForbidden, "websocket: 'Origin' header value not allowed")
} }
challengeKey := r.Header.Get("Sec-Websocket-Key") challengeKey := r.Header.Get("Sec-Websocket-Key")
if challengeKey == "" { if challengeKey == "" {
return u.returnError(w, r, http.StatusBadRequest, "websocket: key missing or blank") return u.returnError(w, r, http.StatusBadRequest, "websocket: not a websocket handshake: `Sec-Websocket-Key' header is missing or blank")
} }
subprotocol := u.selectSubprotocol(r, responseHeader) subprotocol := u.selectSubprotocol(r, responseHeader)
// Negotiate PMCE
var compress bool
if u.EnableCompression {
for _, ext := range parseExtensions(r.Header) {
if ext[""] != "permessage-deflate" {
continue
}
compress = true
break
}
}
var ( var (
netConn net.Conn netConn net.Conn
br *bufio.Reader
err error err error
) )
@ -136,21 +160,25 @@ func (u *Upgrader) Upgrade(w http.ResponseWriter, r *http.Request, responseHeade
if !ok { if !ok {
return u.returnError(w, r, http.StatusInternalServerError, "websocket: response does not implement http.Hijacker") return u.returnError(w, r, http.StatusInternalServerError, "websocket: response does not implement http.Hijacker")
} }
var rw *bufio.ReadWriter var brw *bufio.ReadWriter
netConn, rw, err = h.Hijack() netConn, brw, err = h.Hijack()
if err != nil { if err != nil {
return u.returnError(w, r, http.StatusInternalServerError, err.Error()) return u.returnError(w, r, http.StatusInternalServerError, err.Error())
} }
br = rw.Reader
if br.Buffered() > 0 { if brw.Reader.Buffered() > 0 {
netConn.Close() netConn.Close()
return nil, errors.New("websocket: client sent data before handshake is complete") return nil, errors.New("websocket: client sent data before handshake is complete")
} }
c := newConn(netConn, true, u.ReadBufferSize, u.WriteBufferSize) c := newConnBRW(netConn, true, u.ReadBufferSize, u.WriteBufferSize, brw)
c.subprotocol = subprotocol c.subprotocol = subprotocol
if compress {
c.newCompressionWriter = compressNoContextTakeover
c.newDecompressionReader = decompressNoContextTakeover
}
p := c.writeBuf[:0] p := c.writeBuf[:0]
p = append(p, "HTTP/1.1 101 Switching Protocols\r\nUpgrade: websocket\r\nConnection: Upgrade\r\nSec-WebSocket-Accept: "...) p = append(p, "HTTP/1.1 101 Switching Protocols\r\nUpgrade: websocket\r\nConnection: Upgrade\r\nSec-WebSocket-Accept: "...)
p = append(p, computeAcceptKey(challengeKey)...) p = append(p, computeAcceptKey(challengeKey)...)
@ -160,6 +188,9 @@ func (u *Upgrader) Upgrade(w http.ResponseWriter, r *http.Request, responseHeade
p = append(p, c.subprotocol...) p = append(p, c.subprotocol...)
p = append(p, "\r\n"...) p = append(p, "\r\n"...)
} }
if compress {
p = append(p, "Sec-Websocket-Extensions: permessage-deflate; server_no_context_takeover; client_no_context_takeover\r\n"...)
}
for k, vs := range responseHeader { for k, vs := range responseHeader {
if k == "Sec-Websocket-Protocol" { if k == "Sec-Websocket-Protocol" {
continue continue

View File

@ -13,19 +13,6 @@ import (
"strings" "strings"
) )
// tokenListContainsValue returns true if the 1#token header with the given
// name contains token.
func tokenListContainsValue(header http.Header, name string, value string) bool {
for _, v := range header[name] {
for _, s := range strings.Split(v, ",") {
if strings.EqualFold(value, strings.TrimSpace(s)) {
return true
}
}
}
return false
}
var keyGUID = []byte("258EAFA5-E914-47DA-95CA-C5AB0DC85B11") var keyGUID = []byte("258EAFA5-E914-47DA-95CA-C5AB0DC85B11")
func computeAcceptKey(challengeKey string) string { func computeAcceptKey(challengeKey string) string {
@ -42,3 +29,186 @@ func generateChallengeKey() (string, error) {
} }
return base64.StdEncoding.EncodeToString(p), nil return base64.StdEncoding.EncodeToString(p), nil
} }
// Octet types from RFC 2616.
var octetTypes [256]byte
const (
isTokenOctet = 1 << iota
isSpaceOctet
)
func init() {
// From RFC 2616
//
// OCTET = <any 8-bit sequence of data>
// CHAR = <any US-ASCII character (octets 0 - 127)>
// CTL = <any US-ASCII control character (octets 0 - 31) and DEL (127)>
// CR = <US-ASCII CR, carriage return (13)>
// LF = <US-ASCII LF, linefeed (10)>
// SP = <US-ASCII SP, space (32)>
// HT = <US-ASCII HT, horizontal-tab (9)>
// <"> = <US-ASCII double-quote mark (34)>
// CRLF = CR LF
// LWS = [CRLF] 1*( SP | HT )
// TEXT = <any OCTET except CTLs, but including LWS>
// separators = "(" | ")" | "<" | ">" | "@" | "," | ";" | ":" | "\" | <">
// | "/" | "[" | "]" | "?" | "=" | "{" | "}" | SP | HT
// token = 1*<any CHAR except CTLs or separators>
// qdtext = <any TEXT except <">>
for c := 0; c < 256; c++ {
var t byte
isCtl := c <= 31 || c == 127
isChar := 0 <= c && c <= 127
isSeparator := strings.IndexRune(" \t\"(),/:;<=>?@[]\\{}", rune(c)) >= 0
if strings.IndexRune(" \t\r\n", rune(c)) >= 0 {
t |= isSpaceOctet
}
if isChar && !isCtl && !isSeparator {
t |= isTokenOctet
}
octetTypes[c] = t
}
}
func skipSpace(s string) (rest string) {
i := 0
for ; i < len(s); i++ {
if octetTypes[s[i]]&isSpaceOctet == 0 {
break
}
}
return s[i:]
}
func nextToken(s string) (token, rest string) {
i := 0
for ; i < len(s); i++ {
if octetTypes[s[i]]&isTokenOctet == 0 {
break
}
}
return s[:i], s[i:]
}
func nextTokenOrQuoted(s string) (value string, rest string) {
if !strings.HasPrefix(s, "\"") {
return nextToken(s)
}
s = s[1:]
for i := 0; i < len(s); i++ {
switch s[i] {
case '"':
return s[:i], s[i+1:]
case '\\':
p := make([]byte, len(s)-1)
j := copy(p, s[:i])
escape := true
for i = i + 1; i < len(s); i++ {
b := s[i]
switch {
case escape:
escape = false
p[j] = b
j += 1
case b == '\\':
escape = true
case b == '"':
return string(p[:j]), s[i+1:]
default:
p[j] = b
j += 1
}
}
return "", ""
}
}
return "", ""
}
// tokenListContainsValue returns true if the 1#token header with the given
// name contains token.
func tokenListContainsValue(header http.Header, name string, value string) bool {
headers:
for _, s := range header[name] {
for {
var t string
t, s = nextToken(skipSpace(s))
if t == "" {
continue headers
}
s = skipSpace(s)
if s != "" && s[0] != ',' {
continue headers
}
if strings.EqualFold(t, value) {
return true
}
if s == "" {
continue headers
}
s = s[1:]
}
}
return false
}
// parseExtensiosn parses WebSocket extensions from a header.
func parseExtensions(header http.Header) []map[string]string {
// From RFC 6455:
//
// Sec-WebSocket-Extensions = extension-list
// extension-list = 1#extension
// extension = extension-token *( ";" extension-param )
// extension-token = registered-token
// registered-token = token
// extension-param = token [ "=" (token | quoted-string) ]
// ;When using the quoted-string syntax variant, the value
// ;after quoted-string unescaping MUST conform to the
// ;'token' ABNF.
var result []map[string]string
headers:
for _, s := range header["Sec-Websocket-Extensions"] {
for {
var t string
t, s = nextToken(skipSpace(s))
if t == "" {
continue headers
}
ext := map[string]string{"": t}
for {
s = skipSpace(s)
if !strings.HasPrefix(s, ";") {
break
}
var k string
k, s = nextToken(skipSpace(s[1:]))
if k == "" {
continue headers
}
s = skipSpace(s)
var v string
if strings.HasPrefix(s, "=") {
v, s = nextTokenOrQuoted(skipSpace(s[1:]))
s = skipSpace(s)
}
if s != "" && s[0] != ',' && s[0] != ';' {
continue headers
}
ext[k] = v
}
if s != "" && s[0] != ',' {
continue headers
}
result = append(result, ext)
if s == "" {
continue headers
}
s = s[1:]
}
}
return result
}

21
vendor/github.com/jpillora/backoff/LICENSE generated vendored Normal file
View File

@ -0,0 +1,21 @@
The MIT License (MIT)
Copyright (c) 2017 Jaime Pillora
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

View File

@ -1,3 +1,4 @@
// Package backoff provides an exponential-backoff implementation.
package backoff package backoff
import ( import (
@ -6,64 +7,82 @@ import (
"time" "time"
) )
//Backoff is a time.Duration counter. It starts at Min. // Backoff is a time.Duration counter, starting at Min. After every call to
//After every call to Duration() it is multiplied by Factor. // the Duration method the current timing is multiplied by Factor, but it
//It is capped at Max. It returns to Min on every call to Reset(). // never exceeds Max.
//Used in conjunction with the time package.
// //
// Backoff is not threadsafe, but the ForAttempt method can be // Backoff is not generally concurrent-safe, but the ForAttempt method can
// used concurrently if non-zero values for Factor, Max, and Min // be used concurrently.
// are set on the Backoff shared among threads.
type Backoff struct { type Backoff struct {
//Factor is the multiplying factor for each increment step //Factor is the multiplying factor for each increment step
attempts, Factor float64 attempt, Factor float64
//Jitter eases contention by randomizing backoff steps //Jitter eases contention by randomizing backoff steps
Jitter bool Jitter bool
//Min and Max are the minimum and maximum values of the counter //Min and Max are the minimum and maximum values of the counter
Min, Max time.Duration Min, Max time.Duration
} }
//Returns the current value of the counter and then // Duration returns the duration for the current attempt before incrementing
//multiplies it Factor // the attempt counter. See ForAttempt.
func (b *Backoff) Duration() time.Duration { func (b *Backoff) Duration() time.Duration {
d := b.ForAttempt(b.attempts) d := b.ForAttempt(b.attempt)
b.attempts++ b.attempt++
return d return d
} }
const maxInt64 = float64(math.MaxInt64 - 512)
// ForAttempt returns the duration for a specific attempt. This is useful if // ForAttempt returns the duration for a specific attempt. This is useful if
// you have a large number of independent Backoffs, but don't want use // you have a large number of independent Backoffs, but don't want use
// unnecessary memory storing the Backoff parameters per Backoff. The first // unnecessary memory storing the Backoff parameters per Backoff. The first
// attempt should be 0. // attempt should be 0.
// //
// ForAttempt is threadsafe iff non-zero values for Factor, Max, and Min // ForAttempt is concurrent-safe.
// are set before any calls to ForAttempt are made.
func (b *Backoff) ForAttempt(attempt float64) time.Duration { func (b *Backoff) ForAttempt(attempt float64) time.Duration {
//Zero-values are nonsensical, so we use // Zero-values are nonsensical, so we use
//them to apply defaults // them to apply defaults
if b.Min == 0 { min := b.Min
b.Min = 100 * time.Millisecond if min <= 0 {
min = 100 * time.Millisecond
} }
if b.Max == 0 { max := b.Max
b.Max = 10 * time.Second if max <= 0 {
max = 10 * time.Second
} }
if b.Factor == 0 { if min >= max {
b.Factor = 2 // short-circuit
return max
}
factor := b.Factor
if factor <= 0 {
factor = 2
} }
//calculate this duration //calculate this duration
dur := float64(b.Min) * math.Pow(b.Factor, attempt) minf := float64(min)
if b.Jitter == true { durf := minf * math.Pow(factor, attempt)
dur = rand.Float64()*(dur-float64(b.Min)) + float64(b.Min) if b.Jitter {
durf = rand.Float64()*(durf-minf) + minf
} }
//cap! //ensure float64 wont overflow int64
if dur > float64(b.Max) { if durf > maxInt64 {
return b.Max return max
} }
//return as a time.Duration dur := time.Duration(durf)
return time.Duration(dur) //keep within bounds
if dur < min {
return min
} else if dur > max {
return max
}
return dur
} }
//Resets the current value of the counter back to Min // Reset restarts the current attempt counter at zero.
func (b *Backoff) Reset() { func (b *Backoff) Reset() {
b.attempts = 0 b.attempt = 0
}
// Attempt returns the current attempt counter value.
func (b *Backoff) Attempt() float64 {
return b.attempt
} }

View File

@ -606,7 +606,8 @@ func (c *Client) Recv() (stanza interface{}, err error) {
case *clientPresence: case *clientPresence:
return Presence{v.From, v.To, v.Type, v.Show, v.Status}, nil return Presence{v.From, v.To, v.Type, v.Show, v.Status}, nil
case *clientIQ: case *clientIQ:
if bytes.Equal(v.Query, []byte(`<ping xmlns='urn:xmpp:ping'/>`)) { // TODO check more strictly
if bytes.Equal(v.Query, []byte(`<ping xmlns='urn:xmpp:ping'/>`)) || bytes.Equal(v.Query, []byte(`<ping xmlns="urn:xmpp:ping"/>`)) {
err := c.SendResultPing(v.ID, v.From) err := c.SendResultPing(v.ID, v.From)
if err != nil { if err != nil {
return Chat{}, err return Chat{}, err
@ -632,6 +633,11 @@ func (c *Client) SendPresence(presence Presence) (n int, err error) {
return fmt.Fprintf(c.conn, "<presence from='%s' to='%s'/>", xmlEscape(presence.From), xmlEscape(presence.To)) return fmt.Fprintf(c.conn, "<presence from='%s' to='%s'/>", xmlEscape(presence.From), xmlEscape(presence.To))
} }
// SendKeepAlive sends a "whitespace keepalive" as described in chapter 4.6.1 of RFC6120.
func (c *Client) SendKeepAlive() (n int, err error) {
return fmt.Fprintf(c.conn," ")
}
// SendHtml sends the message as HTML as defined by XEP-0071 // SendHtml sends the message as HTML as defined by XEP-0071
func (c *Client) SendHtml(chat Chat) (n int, err error) { func (c *Client) SendHtml(chat Chat) (n int, err error) {
return fmt.Fprintf(c.conn, "<message to='%s' type='%s' xml:lang='en'>"+ return fmt.Fprintf(c.conn, "<message to='%s' type='%s' xml:lang='en'>"+

View File

@ -8,16 +8,17 @@ import (
) )
const ( const (
DEFAULT_MESSAGE_USERNAME = "" DEFAULT_MESSAGE_USERNAME = ""
DEFAULT_MESSAGE_ASUSER = false DEFAULT_MESSAGE_THREAD_TIMESTAMP = ""
DEFAULT_MESSAGE_PARSE = "" DEFAULT_MESSAGE_ASUSER = false
DEFAULT_MESSAGE_LINK_NAMES = 0 DEFAULT_MESSAGE_PARSE = ""
DEFAULT_MESSAGE_UNFURL_LINKS = false DEFAULT_MESSAGE_LINK_NAMES = 0
DEFAULT_MESSAGE_UNFURL_MEDIA = true DEFAULT_MESSAGE_UNFURL_LINKS = false
DEFAULT_MESSAGE_ICON_URL = "" DEFAULT_MESSAGE_UNFURL_MEDIA = true
DEFAULT_MESSAGE_ICON_EMOJI = "" DEFAULT_MESSAGE_ICON_URL = ""
DEFAULT_MESSAGE_MARKDOWN = true DEFAULT_MESSAGE_ICON_EMOJI = ""
DEFAULT_MESSAGE_ESCAPE_TEXT = true DEFAULT_MESSAGE_MARKDOWN = true
DEFAULT_MESSAGE_ESCAPE_TEXT = true
) )
type chatResponseFull struct { type chatResponseFull struct {
@ -29,18 +30,19 @@ type chatResponseFull struct {
// PostMessageParameters contains all the parameters necessary (including the optional ones) for a PostMessage() request // PostMessageParameters contains all the parameters necessary (including the optional ones) for a PostMessage() request
type PostMessageParameters struct { type PostMessageParameters struct {
Text string `json:"text"` Text string `json:"text"`
Username string `json:"user_name"` Username string `json:"user_name"`
AsUser bool `json:"as_user"` AsUser bool `json:"as_user"`
Parse string `json:"parse"` Parse string `json:"parse"`
LinkNames int `json:"link_names"` ThreadTimestamp string `json:"thread_ts"`
Attachments []Attachment `json:"attachments"` LinkNames int `json:"link_names"`
UnfurlLinks bool `json:"unfurl_links"` Attachments []Attachment `json:"attachments"`
UnfurlMedia bool `json:"unfurl_media"` UnfurlLinks bool `json:"unfurl_links"`
IconURL string `json:"icon_url"` UnfurlMedia bool `json:"unfurl_media"`
IconEmoji string `json:"icon_emoji"` IconURL string `json:"icon_url"`
Markdown bool `json:"mrkdwn,omitempty"` IconEmoji string `json:"icon_emoji"`
EscapeText bool `json:"escape_text"` Markdown bool `json:"mrkdwn,omitempty"`
EscapeText bool `json:"escape_text"`
} }
// NewPostMessageParameters provides an instance of PostMessageParameters with all the sane default values set // NewPostMessageParameters provides an instance of PostMessageParameters with all the sane default values set
@ -142,6 +144,9 @@ func (api *Client) PostMessage(channel, text string, params PostMessageParameter
if params.Markdown != DEFAULT_MESSAGE_MARKDOWN { if params.Markdown != DEFAULT_MESSAGE_MARKDOWN {
values.Set("mrkdwn", "false") values.Set("mrkdwn", "false")
} }
if params.ThreadTimestamp != DEFAULT_MESSAGE_THREAD_TIMESTAMP {
values.Set("thread_ts", params.ThreadTimestamp)
}
response, err := chatRequest("chat.postMessage", values, api.debug) response, err := chatRequest("chat.postMessage", values, api.debug)
if err != nil { if err != nil {

25
vendor/github.com/nlopes/slack/examples/team/team.go generated vendored Normal file
View File

@ -0,0 +1,25 @@
package main
import (
"fmt"
"github.com/nlopes/slack"
)
func main() {
api := slack.New("YOUR_TOKEN_HERE")
//Example for single user
billingActive, err := api.GetBillableInfo("U023BECGF")
if err != nil {
fmt.Printf("%s\n", err)
return
}
fmt.Printf("ID: U023BECGF, BillingActive: %v\n\n\n", billingActive["U023BECGF"])
//Example for team
billingActiveForTeam, err := api.GetBillableInfoForTeam()
for id, value := range billingActiveForTeam {
fmt.Printf("ID: %v, BillingActive: %v\n", id, value)
}
}

20
vendor/github.com/satori/go.uuid/LICENSE generated vendored Normal file
View File

@ -0,0 +1,20 @@
Copyright (C) 2013-2016 by Maxim Bublis <b@codemonkey.ru>
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

481
vendor/github.com/satori/go.uuid/uuid.go generated vendored Normal file
View File

@ -0,0 +1,481 @@
// Copyright (C) 2013-2015 by Maxim Bublis <b@codemonkey.ru>
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
// Package uuid provides implementation of Universally Unique Identifier (UUID).
// Supported versions are 1, 3, 4 and 5 (as specified in RFC 4122) and
// version 2 (as specified in DCE 1.1).
package uuid
import (
"bytes"
"crypto/md5"
"crypto/rand"
"crypto/sha1"
"database/sql/driver"
"encoding/binary"
"encoding/hex"
"fmt"
"hash"
"net"
"os"
"sync"
"time"
)
// UUID layout variants.
const (
VariantNCS = iota
VariantRFC4122
VariantMicrosoft
VariantFuture
)
// UUID DCE domains.
const (
DomainPerson = iota
DomainGroup
DomainOrg
)
// Difference in 100-nanosecond intervals between
// UUID epoch (October 15, 1582) and Unix epoch (January 1, 1970).
const epochStart = 122192928000000000
// Used in string method conversion
const dash byte = '-'
// UUID v1/v2 storage.
var (
storageMutex sync.Mutex
storageOnce sync.Once
epochFunc = unixTimeFunc
clockSequence uint16
lastTime uint64
hardwareAddr [6]byte
posixUID = uint32(os.Getuid())
posixGID = uint32(os.Getgid())
)
// String parse helpers.
var (
urnPrefix = []byte("urn:uuid:")
byteGroups = []int{8, 4, 4, 4, 12}
)
func initClockSequence() {
buf := make([]byte, 2)
safeRandom(buf)
clockSequence = binary.BigEndian.Uint16(buf)
}
func initHardwareAddr() {
interfaces, err := net.Interfaces()
if err == nil {
for _, iface := range interfaces {
if len(iface.HardwareAddr) >= 6 {
copy(hardwareAddr[:], iface.HardwareAddr)
return
}
}
}
// Initialize hardwareAddr randomly in case
// of real network interfaces absence
safeRandom(hardwareAddr[:])
// Set multicast bit as recommended in RFC 4122
hardwareAddr[0] |= 0x01
}
func initStorage() {
initClockSequence()
initHardwareAddr()
}
func safeRandom(dest []byte) {
if _, err := rand.Read(dest); err != nil {
panic(err)
}
}
// Returns difference in 100-nanosecond intervals between
// UUID epoch (October 15, 1582) and current time.
// This is default epoch calculation function.
func unixTimeFunc() uint64 {
return epochStart + uint64(time.Now().UnixNano()/100)
}
// UUID representation compliant with specification
// described in RFC 4122.
type UUID [16]byte
// NullUUID can be used with the standard sql package to represent a
// UUID value that can be NULL in the database
type NullUUID struct {
UUID UUID
Valid bool
}
// The nil UUID is special form of UUID that is specified to have all
// 128 bits set to zero.
var Nil = UUID{}
// Predefined namespace UUIDs.
var (
NamespaceDNS, _ = FromString("6ba7b810-9dad-11d1-80b4-00c04fd430c8")
NamespaceURL, _ = FromString("6ba7b811-9dad-11d1-80b4-00c04fd430c8")
NamespaceOID, _ = FromString("6ba7b812-9dad-11d1-80b4-00c04fd430c8")
NamespaceX500, _ = FromString("6ba7b814-9dad-11d1-80b4-00c04fd430c8")
)
// And returns result of binary AND of two UUIDs.
func And(u1 UUID, u2 UUID) UUID {
u := UUID{}
for i := 0; i < 16; i++ {
u[i] = u1[i] & u2[i]
}
return u
}
// Or returns result of binary OR of two UUIDs.
func Or(u1 UUID, u2 UUID) UUID {
u := UUID{}
for i := 0; i < 16; i++ {
u[i] = u1[i] | u2[i]
}
return u
}
// Equal returns true if u1 and u2 equals, otherwise returns false.
func Equal(u1 UUID, u2 UUID) bool {
return bytes.Equal(u1[:], u2[:])
}
// Version returns algorithm version used to generate UUID.
func (u UUID) Version() uint {
return uint(u[6] >> 4)
}
// Variant returns UUID layout variant.
func (u UUID) Variant() uint {
switch {
case (u[8] & 0x80) == 0x00:
return VariantNCS
case (u[8]&0xc0)|0x80 == 0x80:
return VariantRFC4122
case (u[8]&0xe0)|0xc0 == 0xc0:
return VariantMicrosoft
}
return VariantFuture
}
// Bytes returns bytes slice representation of UUID.
func (u UUID) Bytes() []byte {
return u[:]
}
// Returns canonical string representation of UUID:
// xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx.
func (u UUID) String() string {
buf := make([]byte, 36)
hex.Encode(buf[0:8], u[0:4])
buf[8] = dash
hex.Encode(buf[9:13], u[4:6])
buf[13] = dash
hex.Encode(buf[14:18], u[6:8])
buf[18] = dash
hex.Encode(buf[19:23], u[8:10])
buf[23] = dash
hex.Encode(buf[24:], u[10:])
return string(buf)
}
// SetVersion sets version bits.
func (u *UUID) SetVersion(v byte) {
u[6] = (u[6] & 0x0f) | (v << 4)
}
// SetVariant sets variant bits as described in RFC 4122.
func (u *UUID) SetVariant() {
u[8] = (u[8] & 0xbf) | 0x80
}
// MarshalText implements the encoding.TextMarshaler interface.
// The encoding is the same as returned by String.
func (u UUID) MarshalText() (text []byte, err error) {
text = []byte(u.String())
return
}
// UnmarshalText implements the encoding.TextUnmarshaler interface.
// Following formats are supported:
// "6ba7b810-9dad-11d1-80b4-00c04fd430c8",
// "{6ba7b810-9dad-11d1-80b4-00c04fd430c8}",
// "urn:uuid:6ba7b810-9dad-11d1-80b4-00c04fd430c8"
func (u *UUID) UnmarshalText(text []byte) (err error) {
if len(text) < 32 {
err = fmt.Errorf("uuid: UUID string too short: %s", text)
return
}
t := text[:]
braced := false
if bytes.Equal(t[:9], urnPrefix) {
t = t[9:]
} else if t[0] == '{' {
braced = true
t = t[1:]
}
b := u[:]
for i, byteGroup := range byteGroups {
if i > 0 {
if t[0] != '-' {
err = fmt.Errorf("uuid: invalid string format")
return
}
t = t[1:]
}
if len(t) < byteGroup {
err = fmt.Errorf("uuid: UUID string too short: %s", text)
return
}
if i == 4 && len(t) > byteGroup &&
((braced && t[byteGroup] != '}') || len(t[byteGroup:]) > 1 || !braced) {
err = fmt.Errorf("uuid: UUID string too long: %s", text)
return
}
_, err = hex.Decode(b[:byteGroup/2], t[:byteGroup])
if err != nil {
return
}
t = t[byteGroup:]
b = b[byteGroup/2:]
}
return
}
// MarshalBinary implements the encoding.BinaryMarshaler interface.
func (u UUID) MarshalBinary() (data []byte, err error) {
data = u.Bytes()
return
}
// UnmarshalBinary implements the encoding.BinaryUnmarshaler interface.
// It will return error if the slice isn't 16 bytes long.
func (u *UUID) UnmarshalBinary(data []byte) (err error) {
if len(data) != 16 {
err = fmt.Errorf("uuid: UUID must be exactly 16 bytes long, got %d bytes", len(data))
return
}
copy(u[:], data)
return
}
// Value implements the driver.Valuer interface.
func (u UUID) Value() (driver.Value, error) {
return u.String(), nil
}
// Scan implements the sql.Scanner interface.
// A 16-byte slice is handled by UnmarshalBinary, while
// a longer byte slice or a string is handled by UnmarshalText.
func (u *UUID) Scan(src interface{}) error {
switch src := src.(type) {
case []byte:
if len(src) == 16 {
return u.UnmarshalBinary(src)
}
return u.UnmarshalText(src)
case string:
return u.UnmarshalText([]byte(src))
}
return fmt.Errorf("uuid: cannot convert %T to UUID", src)
}
// Value implements the driver.Valuer interface.
func (u NullUUID) Value() (driver.Value, error) {
if !u.Valid {
return nil, nil
}
// Delegate to UUID Value function
return u.UUID.Value()
}
// Scan implements the sql.Scanner interface.
func (u *NullUUID) Scan(src interface{}) error {
if src == nil {
u.UUID, u.Valid = Nil, false
return nil
}
// Delegate to UUID Scan function
u.Valid = true
return u.UUID.Scan(src)
}
// FromBytes returns UUID converted from raw byte slice input.
// It will return error if the slice isn't 16 bytes long.
func FromBytes(input []byte) (u UUID, err error) {
err = u.UnmarshalBinary(input)
return
}
// FromBytesOrNil returns UUID converted from raw byte slice input.
// Same behavior as FromBytes, but returns a Nil UUID on error.
func FromBytesOrNil(input []byte) UUID {
uuid, err := FromBytes(input)
if err != nil {
return Nil
}
return uuid
}
// FromString returns UUID parsed from string input.
// Input is expected in a form accepted by UnmarshalText.
func FromString(input string) (u UUID, err error) {
err = u.UnmarshalText([]byte(input))
return
}
// FromStringOrNil returns UUID parsed from string input.
// Same behavior as FromString, but returns a Nil UUID on error.
func FromStringOrNil(input string) UUID {
uuid, err := FromString(input)
if err != nil {
return Nil
}
return uuid
}
// Returns UUID v1/v2 storage state.
// Returns epoch timestamp, clock sequence, and hardware address.
func getStorage() (uint64, uint16, []byte) {
storageOnce.Do(initStorage)
storageMutex.Lock()
defer storageMutex.Unlock()
timeNow := epochFunc()
// Clock changed backwards since last UUID generation.
// Should increase clock sequence.
if timeNow <= lastTime {
clockSequence++
}
lastTime = timeNow
return timeNow, clockSequence, hardwareAddr[:]
}
// NewV1 returns UUID based on current timestamp and MAC address.
func NewV1() UUID {
u := UUID{}
timeNow, clockSeq, hardwareAddr := getStorage()
binary.BigEndian.PutUint32(u[0:], uint32(timeNow))
binary.BigEndian.PutUint16(u[4:], uint16(timeNow>>32))
binary.BigEndian.PutUint16(u[6:], uint16(timeNow>>48))
binary.BigEndian.PutUint16(u[8:], clockSeq)
copy(u[10:], hardwareAddr)
u.SetVersion(1)
u.SetVariant()
return u
}
// NewV2 returns DCE Security UUID based on POSIX UID/GID.
func NewV2(domain byte) UUID {
u := UUID{}
timeNow, clockSeq, hardwareAddr := getStorage()
switch domain {
case DomainPerson:
binary.BigEndian.PutUint32(u[0:], posixUID)
case DomainGroup:
binary.BigEndian.PutUint32(u[0:], posixGID)
}
binary.BigEndian.PutUint16(u[4:], uint16(timeNow>>32))
binary.BigEndian.PutUint16(u[6:], uint16(timeNow>>48))
binary.BigEndian.PutUint16(u[8:], clockSeq)
u[9] = domain
copy(u[10:], hardwareAddr)
u.SetVersion(2)
u.SetVariant()
return u
}
// NewV3 returns UUID based on MD5 hash of namespace UUID and name.
func NewV3(ns UUID, name string) UUID {
u := newFromHash(md5.New(), ns, name)
u.SetVersion(3)
u.SetVariant()
return u
}
// NewV4 returns random generated UUID.
func NewV4() UUID {
u := UUID{}
safeRandom(u[:])
u.SetVersion(4)
u.SetVariant()
return u
}
// NewV5 returns UUID based on SHA-1 hash of namespace UUID and name.
func NewV5(ns UUID, name string) UUID {
u := newFromHash(sha1.New(), ns, name)
u.SetVersion(5)
u.SetVariant()
return u
}
// Returns UUID based on hashing of namespace UUID and name.
func newFromHash(h hash.Hash, ns UUID, name string) UUID {
u := UUID{}
h.Write(ns[:])
h.Write([]byte(name))
copy(u[:], h.Sum(nil))
return u
}

View File

@ -112,6 +112,7 @@ type Stream struct {
func (stream *Stream) destroy() { func (stream *Stream) destroy() {
close(stream.Event) close(stream.Event)
stream.streamConnection.currentRetries = 0
} }
type Event struct { type Event struct {
@ -135,10 +136,8 @@ func (stream *Stream) connect() {
} }
res, err := stream.gitter.getResponse(stream.url, stream) res, err := stream.gitter.getResponse(stream.url, stream)
if stream.streamConnection.canceled { if err != nil || res.StatusCode != 200 {
// do nothing stream.gitter.log(fmt.Sprintf("Failed to get response, trying reconnect (Status code: %v)", res.StatusCode))
} else if err != nil || res.StatusCode != 200 {
stream.gitter.log("Failed to get response, trying reconnect ")
stream.gitter.log(err) stream.gitter.log(err)
// sleep and wait // sleep and wait
@ -161,9 +160,6 @@ type streamConnection struct {
// connection was closed // connection was closed
closed bool closed bool
// canceled
canceled bool
// wait time till next try // wait time till next try
wait time.Duration wait time.Duration
@ -192,13 +188,10 @@ func (stream *Stream) Close() {
stream.gitter.log("Stream connection close request") stream.gitter.log("Stream connection close request")
switch transport := stream.gitter.config.client.Transport.(type) { switch transport := stream.gitter.config.client.Transport.(type) {
case *httpclient.Transport: case *httpclient.Transport:
stream.streamConnection.canceled = true
transport.CancelRequest(conn.request) transport.CancelRequest(conn.request)
default: default:
} }
} }
conn.currentRetries = 0
} }
func (stream *Stream) isClosed() bool { func (stream *Stream) isClosed() bool {

View File

@ -6,7 +6,6 @@ package websocket
import ( import (
"bufio" "bufio"
"crypto/tls"
"io" "io"
"net" "net"
"net/http" "net/http"
@ -87,20 +86,14 @@ func DialConfig(config *Config) (ws *Conn, err error) {
if config.Origin == nil { if config.Origin == nil {
return nil, &DialError{config, ErrBadWebSocketOrigin} return nil, &DialError{config, ErrBadWebSocketOrigin}
} }
switch config.Location.Scheme { dialer := config.Dialer
case "ws": if dialer == nil {
client, err = net.Dial("tcp", parseAuthority(config.Location)) dialer = &net.Dialer{}
case "wss":
client, err = tls.Dial("tcp", parseAuthority(config.Location), config.TlsConfig)
default:
err = ErrBadScheme
} }
client, err = dialWithDialer(dialer, config)
if err != nil { if err != nil {
goto Error goto Error
} }
ws, err = NewClient(config, client) ws, err = NewClient(config, client)
if err != nil { if err != nil {
client.Close() client.Close()

24
vendor/golang.org/x/net/websocket/dial.go generated vendored Normal file
View File

@ -0,0 +1,24 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package websocket
import (
"crypto/tls"
"net"
)
func dialWithDialer(dialer *net.Dialer, config *Config) (conn net.Conn, err error) {
switch config.Location.Scheme {
case "ws":
conn, err = dialer.Dial("tcp", parseAuthority(config.Location))
case "wss":
conn, err = tls.DialWithDialer(dialer, "tcp", parseAuthority(config.Location), config.TlsConfig)
default:
err = ErrBadScheme
}
return
}

View File

@ -4,6 +4,12 @@
// Package websocket implements a client and server for the WebSocket protocol // Package websocket implements a client and server for the WebSocket protocol
// as specified in RFC 6455. // as specified in RFC 6455.
//
// This package currently lacks some features found in an alternative
// and more actively maintained WebSocket package:
//
// https://godoc.org/github.com/gorilla/websocket
//
package websocket // import "golang.org/x/net/websocket" package websocket // import "golang.org/x/net/websocket"
import ( import (
@ -32,6 +38,8 @@ const (
PingFrame = 9 PingFrame = 9
PongFrame = 10 PongFrame = 10
UnknownFrame = 255 UnknownFrame = 255
DefaultMaxPayloadBytes = 32 << 20 // 32MB
) )
// ProtocolError represents WebSocket protocol errors. // ProtocolError represents WebSocket protocol errors.
@ -58,6 +66,10 @@ var (
ErrNotSupported = &ProtocolError{"not supported"} ErrNotSupported = &ProtocolError{"not supported"}
) )
// ErrFrameTooLarge is returned by Codec's Receive method if payload size
// exceeds limit set by Conn.MaxPayloadBytes
var ErrFrameTooLarge = errors.New("websocket: frame payload size exceeds limit")
// Addr is an implementation of net.Addr for WebSocket. // Addr is an implementation of net.Addr for WebSocket.
type Addr struct { type Addr struct {
*url.URL *url.URL
@ -86,6 +98,9 @@ type Config struct {
// Additional header fields to be sent in WebSocket opening handshake. // Additional header fields to be sent in WebSocket opening handshake.
Header http.Header Header http.Header
// Dialer used when opening websocket connections.
Dialer *net.Dialer
handshakeData map[string]string handshakeData map[string]string
} }
@ -163,6 +178,10 @@ type Conn struct {
frameHandler frameHandler
PayloadType byte PayloadType byte
defaultCloseStatus int defaultCloseStatus int
// MaxPayloadBytes limits the size of frame payload received over Conn
// by Codec's Receive method. If zero, DefaultMaxPayloadBytes is used.
MaxPayloadBytes int
} }
// Read implements the io.Reader interface: // Read implements the io.Reader interface:
@ -299,7 +318,12 @@ func (cd Codec) Send(ws *Conn, v interface{}) (err error) {
return err return err
} }
// Receive receives single frame from ws, unmarshaled by cd.Unmarshal and stores in v. // Receive receives single frame from ws, unmarshaled by cd.Unmarshal and stores
// in v. The whole frame payload is read to an in-memory buffer; max size of
// payload is defined by ws.MaxPayloadBytes. If frame payload size exceeds
// limit, ErrFrameTooLarge is returned; in this case frame is not read off wire
// completely. The next call to Receive would read and discard leftover data of
// previous oversized frame before processing next frame.
func (cd Codec) Receive(ws *Conn, v interface{}) (err error) { func (cd Codec) Receive(ws *Conn, v interface{}) (err error) {
ws.rio.Lock() ws.rio.Lock()
defer ws.rio.Unlock() defer ws.rio.Unlock()
@ -322,6 +346,19 @@ again:
if frame == nil { if frame == nil {
goto again goto again
} }
maxPayloadBytes := ws.MaxPayloadBytes
if maxPayloadBytes == 0 {
maxPayloadBytes = DefaultMaxPayloadBytes
}
if hf, ok := frame.(*hybiFrameReader); ok && hf.header.Length > int64(maxPayloadBytes) {
// payload size exceeds limit, no need to call Unmarshal
//
// set frameReader to current oversized frame so that
// the next call to this function can drain leftover
// data before processing the next frame
ws.frameReader = frame
return ErrFrameTooLarge
}
payloadType := frame.PayloadType() payloadType := frame.PayloadType()
data, err := ioutil.ReadAll(frame) data, err := ioutil.ReadAll(frame)
if err != nil { if err != nil {

27
vendor/golang.org/x/sys/unix/LICENSE generated vendored Normal file
View File

@ -0,0 +1,27 @@
Copyright (c) 2009 The Go Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

29
vendor/golang.org/x/sys/unix/asm_darwin_386.s generated vendored Normal file
View File

@ -0,0 +1,29 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for 386, Darwin
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-28
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-40
JMP syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-52
JMP syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-28
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
JMP syscall·RawSyscall6(SB)

29
vendor/golang.org/x/sys/unix/asm_darwin_amd64.s generated vendored Normal file
View File

@ -0,0 +1,29 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for AMD64, Darwin
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-56
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
JMP syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-104
JMP syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
JMP syscall·RawSyscall6(SB)

30
vendor/golang.org/x/sys/unix/asm_darwin_arm.s generated vendored Normal file
View File

@ -0,0 +1,30 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
// +build arm,darwin
#include "textflag.h"
//
// System call support for ARM, Darwin
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-28
B syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-40
B syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-52
B syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-28
B syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
B syscall·RawSyscall6(SB)

30
vendor/golang.org/x/sys/unix/asm_darwin_arm64.s generated vendored Normal file
View File

@ -0,0 +1,30 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
// +build arm64,darwin
#include "textflag.h"
//
// System call support for AMD64, Darwin
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-56
B syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
B syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-104
B syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
B syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
B syscall·RawSyscall6(SB)

29
vendor/golang.org/x/sys/unix/asm_dragonfly_amd64.s generated vendored Normal file
View File

@ -0,0 +1,29 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for AMD64, DragonFly
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-64
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-88
JMP syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-112
JMP syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-64
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-88
JMP syscall·RawSyscall6(SB)

29
vendor/golang.org/x/sys/unix/asm_freebsd_386.s generated vendored Normal file
View File

@ -0,0 +1,29 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for 386, FreeBSD
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-28
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-40
JMP syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-52
JMP syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-28
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
JMP syscall·RawSyscall6(SB)

29
vendor/golang.org/x/sys/unix/asm_freebsd_amd64.s generated vendored Normal file
View File

@ -0,0 +1,29 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for AMD64, FreeBSD
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-56
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
JMP syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-104
JMP syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
JMP syscall·RawSyscall6(SB)

29
vendor/golang.org/x/sys/unix/asm_freebsd_arm.s generated vendored Normal file
View File

@ -0,0 +1,29 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for ARM, FreeBSD
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-28
B syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-40
B syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-52
B syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-28
B syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
B syscall·RawSyscall6(SB)

35
vendor/golang.org/x/sys/unix/asm_linux_386.s generated vendored Normal file
View File

@ -0,0 +1,35 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System calls for 386, Linux
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-28
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-40
JMP syscall·Syscall6(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-28
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
JMP syscall·RawSyscall6(SB)
TEXT ·socketcall(SB),NOSPLIT,$0-36
JMP syscall·socketcall(SB)
TEXT ·rawsocketcall(SB),NOSPLIT,$0-36
JMP syscall·rawsocketcall(SB)
TEXT ·seek(SB),NOSPLIT,$0-28
JMP syscall·seek(SB)

29
vendor/golang.org/x/sys/unix/asm_linux_amd64.s generated vendored Normal file
View File

@ -0,0 +1,29 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System calls for AMD64, Linux
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-56
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
JMP syscall·Syscall6(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
JMP syscall·RawSyscall6(SB)
TEXT ·gettimeofday(SB),NOSPLIT,$0-16
JMP syscall·gettimeofday(SB)

29
vendor/golang.org/x/sys/unix/asm_linux_arm.s generated vendored Normal file
View File

@ -0,0 +1,29 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System calls for arm, Linux
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-28
B syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-40
B syscall·Syscall6(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-28
B syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
B syscall·RawSyscall6(SB)
TEXT ·seek(SB),NOSPLIT,$0-32
B syscall·seek(SB)

24
vendor/golang.org/x/sys/unix/asm_linux_arm64.s generated vendored Normal file
View File

@ -0,0 +1,24 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build linux
// +build arm64
// +build !gccgo
#include "textflag.h"
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-56
B syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
B syscall·Syscall6(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
B syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
B syscall·RawSyscall6(SB)

28
vendor/golang.org/x/sys/unix/asm_linux_mips64x.s generated vendored Normal file
View File

@ -0,0 +1,28 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build linux
// +build mips64 mips64le
// +build !gccgo
#include "textflag.h"
//
// System calls for mips64, Linux
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-56
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
JMP syscall·Syscall6(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
JMP syscall·RawSyscall6(SB)

31
vendor/golang.org/x/sys/unix/asm_linux_mipsx.s generated vendored Normal file
View File

@ -0,0 +1,31 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build linux
// +build mips mipsle
// +build !gccgo
#include "textflag.h"
//
// System calls for mips, Linux
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-28
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-40
JMP syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-52
JMP syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-28
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
JMP syscall·RawSyscall6(SB)

28
vendor/golang.org/x/sys/unix/asm_linux_ppc64x.s generated vendored Normal file
View File

@ -0,0 +1,28 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build linux
// +build ppc64 ppc64le
// +build !gccgo
#include "textflag.h"
//
// System calls for ppc64, Linux
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-56
BR syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
BR syscall·Syscall6(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
BR syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
BR syscall·RawSyscall6(SB)

28
vendor/golang.org/x/sys/unix/asm_linux_s390x.s generated vendored Normal file
View File

@ -0,0 +1,28 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build s390x
// +build linux
// +build !gccgo
#include "textflag.h"
//
// System calls for s390x, Linux
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-56
BR syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
BR syscall·Syscall6(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
BR syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
BR syscall·RawSyscall6(SB)

29
vendor/golang.org/x/sys/unix/asm_netbsd_386.s generated vendored Normal file
View File

@ -0,0 +1,29 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for 386, NetBSD
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-28
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-40
JMP syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-52
JMP syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-28
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
JMP syscall·RawSyscall6(SB)

29
vendor/golang.org/x/sys/unix/asm_netbsd_amd64.s generated vendored Normal file
View File

@ -0,0 +1,29 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for AMD64, NetBSD
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-56
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
JMP syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-104
JMP syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
JMP syscall·RawSyscall6(SB)

29
vendor/golang.org/x/sys/unix/asm_netbsd_arm.s generated vendored Normal file
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@ -0,0 +1,29 @@
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for ARM, NetBSD
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-28
B syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-40
B syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-52
B syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-28
B syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
B syscall·RawSyscall6(SB)

29
vendor/golang.org/x/sys/unix/asm_openbsd_386.s generated vendored Normal file
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@ -0,0 +1,29 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for 386, OpenBSD
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-28
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-40
JMP syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-52
JMP syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-28
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
JMP syscall·RawSyscall6(SB)

29
vendor/golang.org/x/sys/unix/asm_openbsd_amd64.s generated vendored Normal file
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@ -0,0 +1,29 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for AMD64, OpenBSD
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-56
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
JMP syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-104
JMP syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
JMP syscall·RawSyscall6(SB)

17
vendor/golang.org/x/sys/unix/asm_solaris_amd64.s generated vendored Normal file
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@ -0,0 +1,17 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System calls for amd64, Solaris are implemented in runtime/syscall_solaris.go
//
TEXT ·sysvicall6(SB),NOSPLIT,$0-64
JMP syscall·sysvicall6(SB)
TEXT ·rawSysvicall6(SB),NOSPLIT,$0-64
JMP syscall·rawSysvicall6(SB)

35
vendor/golang.org/x/sys/unix/bluetooth_linux.go generated vendored Normal file
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@ -0,0 +1,35 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Bluetooth sockets and messages
package unix
// Bluetooth Protocols
const (
BTPROTO_L2CAP = 0
BTPROTO_HCI = 1
BTPROTO_SCO = 2
BTPROTO_RFCOMM = 3
BTPROTO_BNEP = 4
BTPROTO_CMTP = 5
BTPROTO_HIDP = 6
BTPROTO_AVDTP = 7
)
const (
HCI_CHANNEL_RAW = 0
HCI_CHANNEL_USER = 1
HCI_CHANNEL_MONITOR = 2
HCI_CHANNEL_CONTROL = 3
)
// Socketoption Level
const (
SOL_BLUETOOTH = 0x112
SOL_HCI = 0x0
SOL_L2CAP = 0x6
SOL_RFCOMM = 0x12
SOL_SCO = 0x11
)

13
vendor/golang.org/x/sys/unix/constants.go generated vendored Normal file
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@ -0,0 +1,13 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin dragonfly freebsd linux netbsd openbsd solaris
package unix
const (
R_OK = 0x4
W_OK = 0x2
X_OK = 0x1
)

27
vendor/golang.org/x/sys/unix/env_unix.go generated vendored Normal file
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@ -0,0 +1,27 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin dragonfly freebsd linux netbsd openbsd solaris
// Unix environment variables.
package unix
import "syscall"
func Getenv(key string) (value string, found bool) {
return syscall.Getenv(key)
}
func Setenv(key, value string) error {
return syscall.Setenv(key, value)
}
func Clearenv() {
syscall.Clearenv()
}
func Environ() []string {
return syscall.Environ()
}

14
vendor/golang.org/x/sys/unix/env_unset.go generated vendored Normal file
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@ -0,0 +1,14 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.4
package unix
import "syscall"
func Unsetenv(key string) error {
// This was added in Go 1.4.
return syscall.Unsetenv(key)
}

24
vendor/golang.org/x/sys/unix/flock.go generated vendored Normal file
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@ -0,0 +1,24 @@
// +build linux darwin freebsd openbsd netbsd dragonfly
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin dragonfly freebsd linux netbsd openbsd
package unix
import "unsafe"
// fcntl64Syscall is usually SYS_FCNTL, but is overridden on 32-bit Linux
// systems by flock_linux_32bit.go to be SYS_FCNTL64.
var fcntl64Syscall uintptr = SYS_FCNTL
// FcntlFlock performs a fcntl syscall for the F_GETLK, F_SETLK or F_SETLKW command.
func FcntlFlock(fd uintptr, cmd int, lk *Flock_t) error {
_, _, errno := Syscall(fcntl64Syscall, fd, uintptr(cmd), uintptr(unsafe.Pointer(lk)))
if errno == 0 {
return nil
}
return errno
}

13
vendor/golang.org/x/sys/unix/flock_linux_32bit.go generated vendored Normal file
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@ -0,0 +1,13 @@
// +build linux,386 linux,arm linux,mips linux,mipsle
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package unix
func init() {
// On 32-bit Linux systems, the fcntl syscall that matches Go's
// Flock_t type is SYS_FCNTL64, not SYS_FCNTL.
fcntl64Syscall = SYS_FCNTL64
}

46
vendor/golang.org/x/sys/unix/gccgo.go generated vendored Normal file
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@ -0,0 +1,46 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build gccgo
package unix
import "syscall"
// We can't use the gc-syntax .s files for gccgo. On the plus side
// much of the functionality can be written directly in Go.
//extern gccgoRealSyscall
func realSyscall(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r, errno uintptr)
func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err syscall.Errno) {
syscall.Entersyscall()
r, errno := realSyscall(trap, a1, a2, a3, 0, 0, 0, 0, 0, 0)
syscall.Exitsyscall()
return r, 0, syscall.Errno(errno)
}
func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err syscall.Errno) {
syscall.Entersyscall()
r, errno := realSyscall(trap, a1, a2, a3, a4, a5, a6, 0, 0, 0)
syscall.Exitsyscall()
return r, 0, syscall.Errno(errno)
}
func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) {
syscall.Entersyscall()
r, errno := realSyscall(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9)
syscall.Exitsyscall()
return r, 0, syscall.Errno(errno)
}
func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err syscall.Errno) {
r, errno := realSyscall(trap, a1, a2, a3, 0, 0, 0, 0, 0, 0)
return r, 0, syscall.Errno(errno)
}
func RawSyscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err syscall.Errno) {
r, errno := realSyscall(trap, a1, a2, a3, a4, a5, a6, 0, 0, 0)
return r, 0, syscall.Errno(errno)
}

41
vendor/golang.org/x/sys/unix/gccgo_c.c generated vendored Normal file
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@ -0,0 +1,41 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build gccgo
#include <errno.h>
#include <stdint.h>
#include <unistd.h>
#define _STRINGIFY2_(x) #x
#define _STRINGIFY_(x) _STRINGIFY2_(x)
#define GOSYM_PREFIX _STRINGIFY_(__USER_LABEL_PREFIX__)
// Call syscall from C code because the gccgo support for calling from
// Go to C does not support varargs functions.
struct ret {
uintptr_t r;
uintptr_t err;
};
struct ret
gccgoRealSyscall(uintptr_t trap, uintptr_t a1, uintptr_t a2, uintptr_t a3, uintptr_t a4, uintptr_t a5, uintptr_t a6, uintptr_t a7, uintptr_t a8, uintptr_t a9)
{
struct ret r;
errno = 0;
r.r = syscall(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9);
r.err = errno;
return r;
}
// Define the use function in C so that it is not inlined.
extern void use(void *) __asm__ (GOSYM_PREFIX GOPKGPATH ".use") __attribute__((noinline));
void
use(void *p __attribute__ ((unused)))
{
}

20
vendor/golang.org/x/sys/unix/gccgo_linux_amd64.go generated vendored Normal file
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@ -0,0 +1,20 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build gccgo,linux,amd64
package unix
import "syscall"
//extern gettimeofday
func realGettimeofday(*Timeval, *byte) int32
func gettimeofday(tv *Timeval) (err syscall.Errno) {
r := realGettimeofday(tv, nil)
if r < 0 {
return syscall.GetErrno()
}
return 0
}

20
vendor/golang.org/x/sys/unix/gccgo_linux_sparc64.go generated vendored Normal file
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@ -0,0 +1,20 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build gccgo,linux,sparc64
package unix
import "syscall"
//extern sysconf
func realSysconf(name int) int64
func sysconf(name int) (n int64, err syscall.Errno) {
r := realSysconf(name)
if r < 0 {
return 0, syscall.GetErrno()
}
return r, 0
}

62
vendor/golang.org/x/sys/unix/mkpost.go generated vendored Normal file
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@ -0,0 +1,62 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
// mkpost processes the output of cgo -godefs to
// modify the generated types. It is used to clean up
// the sys API in an architecture specific manner.
//
// mkpost is run after cgo -godefs by mkall.sh.
package main
import (
"fmt"
"go/format"
"io/ioutil"
"log"
"os"
"regexp"
)
func main() {
b, err := ioutil.ReadAll(os.Stdin)
if err != nil {
log.Fatal(err)
}
s := string(b)
goarch := os.Getenv("GOARCH")
goos := os.Getenv("GOOS")
if goarch == "s390x" && goos == "linux" {
// Export the types of PtraceRegs fields.
re := regexp.MustCompile("ptrace(Psw|Fpregs|Per)")
s = re.ReplaceAllString(s, "Ptrace$1")
// Replace padding fields inserted by cgo with blank identifiers.
re = regexp.MustCompile("Pad_cgo[A-Za-z0-9_]*")
s = re.ReplaceAllString(s, "_")
// Replace other unwanted fields with blank identifiers.
re = regexp.MustCompile("X_[A-Za-z0-9_]*")
s = re.ReplaceAllString(s, "_")
// Replace the control_regs union with a blank identifier for now.
re = regexp.MustCompile("(Control_regs)\\s+\\[0\\]uint64")
s = re.ReplaceAllString(s, "_ [0]uint64")
}
// gofmt
b, err = format.Source([]byte(s))
if err != nil {
log.Fatal(err)
}
// Append this command to the header to show where the new file
// came from.
re := regexp.MustCompile("(cgo -godefs [a-zA-Z0-9_]+\\.go.*)")
b = re.ReplaceAll(b, []byte("$1 | go run mkpost.go"))
fmt.Printf("%s", b)
}

38
vendor/golang.org/x/sys/unix/openbsd_pledge.go generated vendored Normal file
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@ -0,0 +1,38 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build openbsd
// +build 386 amd64 arm
package unix
import (
"syscall"
"unsafe"
)
const (
SYS_PLEDGE = 108
)
// Pledge implements the pledge syscall. For more information see pledge(2).
func Pledge(promises string, paths []string) error {
promisesPtr, err := syscall.BytePtrFromString(promises)
if err != nil {
return err
}
promisesUnsafe, pathsUnsafe := unsafe.Pointer(promisesPtr), unsafe.Pointer(nil)
if paths != nil {
var pathsPtr []*byte
if pathsPtr, err = syscall.SlicePtrFromStrings(paths); err != nil {
return err
}
pathsUnsafe = unsafe.Pointer(&pathsPtr[0])
}
_, _, e := syscall.Syscall(SYS_PLEDGE, uintptr(promisesUnsafe), uintptr(pathsUnsafe), 0)
if e != 0 {
return e
}
return nil
}

30
vendor/golang.org/x/sys/unix/race.go generated vendored Normal file
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@ -0,0 +1,30 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin,race linux,race freebsd,race
package unix
import (
"runtime"
"unsafe"
)
const raceenabled = true
func raceAcquire(addr unsafe.Pointer) {
runtime.RaceAcquire(addr)
}
func raceReleaseMerge(addr unsafe.Pointer) {
runtime.RaceReleaseMerge(addr)
}
func raceReadRange(addr unsafe.Pointer, len int) {
runtime.RaceReadRange(addr, len)
}
func raceWriteRange(addr unsafe.Pointer, len int) {
runtime.RaceWriteRange(addr, len)
}

25
vendor/golang.org/x/sys/unix/race0.go generated vendored Normal file
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@ -0,0 +1,25 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin,!race linux,!race freebsd,!race netbsd openbsd solaris dragonfly
package unix
import (
"unsafe"
)
const raceenabled = false
func raceAcquire(addr unsafe.Pointer) {
}
func raceReleaseMerge(addr unsafe.Pointer) {
}
func raceReadRange(addr unsafe.Pointer, len int) {
}
func raceWriteRange(addr unsafe.Pointer, len int) {
}

36
vendor/golang.org/x/sys/unix/sockcmsg_linux.go generated vendored Normal file
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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Socket control messages
package unix
import "unsafe"
// UnixCredentials encodes credentials into a socket control message
// for sending to another process. This can be used for
// authentication.
func UnixCredentials(ucred *Ucred) []byte {
b := make([]byte, CmsgSpace(SizeofUcred))
h := (*Cmsghdr)(unsafe.Pointer(&b[0]))
h.Level = SOL_SOCKET
h.Type = SCM_CREDENTIALS
h.SetLen(CmsgLen(SizeofUcred))
*((*Ucred)(cmsgData(h))) = *ucred
return b
}
// ParseUnixCredentials decodes a socket control message that contains
// credentials in a Ucred structure. To receive such a message, the
// SO_PASSCRED option must be enabled on the socket.
func ParseUnixCredentials(m *SocketControlMessage) (*Ucred, error) {
if m.Header.Level != SOL_SOCKET {
return nil, EINVAL
}
if m.Header.Type != SCM_CREDENTIALS {
return nil, EINVAL
}
ucred := *(*Ucred)(unsafe.Pointer(&m.Data[0]))
return &ucred, nil
}

103
vendor/golang.org/x/sys/unix/sockcmsg_unix.go generated vendored Normal file
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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin dragonfly freebsd linux netbsd openbsd solaris
// Socket control messages
package unix
import "unsafe"
// Round the length of a raw sockaddr up to align it properly.
func cmsgAlignOf(salen int) int {
salign := sizeofPtr
// NOTE: It seems like 64-bit Darwin and DragonFly BSD kernels
// still require 32-bit aligned access to network subsystem.
if darwin64Bit || dragonfly64Bit {
salign = 4
}
return (salen + salign - 1) & ^(salign - 1)
}
// CmsgLen returns the value to store in the Len field of the Cmsghdr
// structure, taking into account any necessary alignment.
func CmsgLen(datalen int) int {
return cmsgAlignOf(SizeofCmsghdr) + datalen
}
// CmsgSpace returns the number of bytes an ancillary element with
// payload of the passed data length occupies.
func CmsgSpace(datalen int) int {
return cmsgAlignOf(SizeofCmsghdr) + cmsgAlignOf(datalen)
}
func cmsgData(h *Cmsghdr) unsafe.Pointer {
return unsafe.Pointer(uintptr(unsafe.Pointer(h)) + uintptr(cmsgAlignOf(SizeofCmsghdr)))
}
// SocketControlMessage represents a socket control message.
type SocketControlMessage struct {
Header Cmsghdr
Data []byte
}
// ParseSocketControlMessage parses b as an array of socket control
// messages.
func ParseSocketControlMessage(b []byte) ([]SocketControlMessage, error) {
var msgs []SocketControlMessage
i := 0
for i+CmsgLen(0) <= len(b) {
h, dbuf, err := socketControlMessageHeaderAndData(b[i:])
if err != nil {
return nil, err
}
m := SocketControlMessage{Header: *h, Data: dbuf}
msgs = append(msgs, m)
i += cmsgAlignOf(int(h.Len))
}
return msgs, nil
}
func socketControlMessageHeaderAndData(b []byte) (*Cmsghdr, []byte, error) {
h := (*Cmsghdr)(unsafe.Pointer(&b[0]))
if h.Len < SizeofCmsghdr || uint64(h.Len) > uint64(len(b)) {
return nil, nil, EINVAL
}
return h, b[cmsgAlignOf(SizeofCmsghdr):h.Len], nil
}
// UnixRights encodes a set of open file descriptors into a socket
// control message for sending to another process.
func UnixRights(fds ...int) []byte {
datalen := len(fds) * 4
b := make([]byte, CmsgSpace(datalen))
h := (*Cmsghdr)(unsafe.Pointer(&b[0]))
h.Level = SOL_SOCKET
h.Type = SCM_RIGHTS
h.SetLen(CmsgLen(datalen))
data := cmsgData(h)
for _, fd := range fds {
*(*int32)(data) = int32(fd)
data = unsafe.Pointer(uintptr(data) + 4)
}
return b
}
// ParseUnixRights decodes a socket control message that contains an
// integer array of open file descriptors from another process.
func ParseUnixRights(m *SocketControlMessage) ([]int, error) {
if m.Header.Level != SOL_SOCKET {
return nil, EINVAL
}
if m.Header.Type != SCM_RIGHTS {
return nil, EINVAL
}
fds := make([]int, len(m.Data)>>2)
for i, j := 0, 0; i < len(m.Data); i += 4 {
fds[j] = int(*(*int32)(unsafe.Pointer(&m.Data[i])))
j++
}
return fds, nil
}

26
vendor/golang.org/x/sys/unix/str.go generated vendored Normal file
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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin dragonfly freebsd linux netbsd openbsd solaris
package unix
func itoa(val int) string { // do it here rather than with fmt to avoid dependency
if val < 0 {
return "-" + uitoa(uint(-val))
}
return uitoa(uint(val))
}
func uitoa(val uint) string {
var buf [32]byte // big enough for int64
i := len(buf) - 1
for val >= 10 {
buf[i] = byte(val%10 + '0')
i--
val /= 10
}
buf[i] = byte(val + '0')
return string(buf[i:])
}

69
vendor/golang.org/x/sys/unix/syscall.go generated vendored Normal file
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@ -0,0 +1,69 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin dragonfly freebsd linux netbsd openbsd solaris
// Package unix contains an interface to the low-level operating system
// primitives. OS details vary depending on the underlying system, and
// by default, godoc will display OS-specific documentation for the current
// system. If you want godoc to display OS documentation for another
// system, set $GOOS and $GOARCH to the desired system. For example, if
// you want to view documentation for freebsd/arm on linux/amd64, set $GOOS
// to freebsd and $GOARCH to arm.
// The primary use of this package is inside other packages that provide a more
// portable interface to the system, such as "os", "time" and "net". Use
// those packages rather than this one if you can.
// For details of the functions and data types in this package consult
// the manuals for the appropriate operating system.
// These calls return err == nil to indicate success; otherwise
// err represents an operating system error describing the failure and
// holds a value of type syscall.Errno.
package unix // import "golang.org/x/sys/unix"
// ByteSliceFromString returns a NUL-terminated slice of bytes
// containing the text of s. If s contains a NUL byte at any
// location, it returns (nil, EINVAL).
func ByteSliceFromString(s string) ([]byte, error) {
for i := 0; i < len(s); i++ {
if s[i] == 0 {
return nil, EINVAL
}
}
a := make([]byte, len(s)+1)
copy(a, s)
return a, nil
}
// BytePtrFromString returns a pointer to a NUL-terminated array of
// bytes containing the text of s. If s contains a NUL byte at any
// location, it returns (nil, EINVAL).
func BytePtrFromString(s string) (*byte, error) {
a, err := ByteSliceFromString(s)
if err != nil {
return nil, err
}
return &a[0], nil
}
// Single-word zero for use when we need a valid pointer to 0 bytes.
// See mkunix.pl.
var _zero uintptr
func (ts *Timespec) Unix() (sec int64, nsec int64) {
return int64(ts.Sec), int64(ts.Nsec)
}
func (tv *Timeval) Unix() (sec int64, nsec int64) {
return int64(tv.Sec), int64(tv.Usec) * 1000
}
func (ts *Timespec) Nano() int64 {
return int64(ts.Sec)*1e9 + int64(ts.Nsec)
}
func (tv *Timeval) Nano() int64 {
return int64(tv.Sec)*1e9 + int64(tv.Usec)*1000
}
func TimevalToNsec(tv Timeval) int64 { return int64(tv.Sec)*1e9 + int64(tv.Usec)*1e3 }

614
vendor/golang.org/x/sys/unix/syscall_bsd.go generated vendored Normal file
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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin dragonfly freebsd netbsd openbsd
// BSD system call wrappers shared by *BSD based systems
// including OS X (Darwin) and FreeBSD. Like the other
// syscall_*.go files it is compiled as Go code but also
// used as input to mksyscall which parses the //sys
// lines and generates system call stubs.
package unix
import (
"runtime"
"syscall"
"unsafe"
)
/*
* Wrapped
*/
//sysnb getgroups(ngid int, gid *_Gid_t) (n int, err error)
//sysnb setgroups(ngid int, gid *_Gid_t) (err error)
func Getgroups() (gids []int, err error) {
n, err := getgroups(0, nil)
if err != nil {
return nil, err
}
if n == 0 {
return nil, nil
}
// Sanity check group count. Max is 16 on BSD.
if n < 0 || n > 1000 {
return nil, EINVAL
}
a := make([]_Gid_t, n)
n, err = getgroups(n, &a[0])
if err != nil {
return nil, err
}
gids = make([]int, n)
for i, v := range a[0:n] {
gids[i] = int(v)
}
return
}
func Setgroups(gids []int) (err error) {
if len(gids) == 0 {
return setgroups(0, nil)
}
a := make([]_Gid_t, len(gids))
for i, v := range gids {
a[i] = _Gid_t(v)
}
return setgroups(len(a), &a[0])
}
func ReadDirent(fd int, buf []byte) (n int, err error) {
// Final argument is (basep *uintptr) and the syscall doesn't take nil.
// 64 bits should be enough. (32 bits isn't even on 386). Since the
// actual system call is getdirentries64, 64 is a good guess.
// TODO(rsc): Can we use a single global basep for all calls?
var base = (*uintptr)(unsafe.Pointer(new(uint64)))
return Getdirentries(fd, buf, base)
}
// Wait status is 7 bits at bottom, either 0 (exited),
// 0x7F (stopped), or a signal number that caused an exit.
// The 0x80 bit is whether there was a core dump.
// An extra number (exit code, signal causing a stop)
// is in the high bits.
type WaitStatus uint32
const (
mask = 0x7F
core = 0x80
shift = 8
exited = 0
stopped = 0x7F
)
func (w WaitStatus) Exited() bool { return w&mask == exited }
func (w WaitStatus) ExitStatus() int {
if w&mask != exited {
return -1
}
return int(w >> shift)
}
func (w WaitStatus) Signaled() bool { return w&mask != stopped && w&mask != 0 }
func (w WaitStatus) Signal() syscall.Signal {
sig := syscall.Signal(w & mask)
if sig == stopped || sig == 0 {
return -1
}
return sig
}
func (w WaitStatus) CoreDump() bool { return w.Signaled() && w&core != 0 }
func (w WaitStatus) Stopped() bool { return w&mask == stopped && syscall.Signal(w>>shift) != SIGSTOP }
func (w WaitStatus) Continued() bool { return w&mask == stopped && syscall.Signal(w>>shift) == SIGSTOP }
func (w WaitStatus) StopSignal() syscall.Signal {
if !w.Stopped() {
return -1
}
return syscall.Signal(w>>shift) & 0xFF
}
func (w WaitStatus) TrapCause() int { return -1 }
//sys wait4(pid int, wstatus *_C_int, options int, rusage *Rusage) (wpid int, err error)
func Wait4(pid int, wstatus *WaitStatus, options int, rusage *Rusage) (wpid int, err error) {
var status _C_int
wpid, err = wait4(pid, &status, options, rusage)
if wstatus != nil {
*wstatus = WaitStatus(status)
}
return
}
//sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error)
//sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
//sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
//sysnb socket(domain int, typ int, proto int) (fd int, err error)
//sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error)
//sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error)
//sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
//sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
//sys Shutdown(s int, how int) (err error)
func (sa *SockaddrInet4) sockaddr() (unsafe.Pointer, _Socklen, error) {
if sa.Port < 0 || sa.Port > 0xFFFF {
return nil, 0, EINVAL
}
sa.raw.Len = SizeofSockaddrInet4
sa.raw.Family = AF_INET
p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
p[0] = byte(sa.Port >> 8)
p[1] = byte(sa.Port)
for i := 0; i < len(sa.Addr); i++ {
sa.raw.Addr[i] = sa.Addr[i]
}
return unsafe.Pointer(&sa.raw), _Socklen(sa.raw.Len), nil
}
func (sa *SockaddrInet6) sockaddr() (unsafe.Pointer, _Socklen, error) {
if sa.Port < 0 || sa.Port > 0xFFFF {
return nil, 0, EINVAL
}
sa.raw.Len = SizeofSockaddrInet6
sa.raw.Family = AF_INET6
p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
p[0] = byte(sa.Port >> 8)
p[1] = byte(sa.Port)
sa.raw.Scope_id = sa.ZoneId
for i := 0; i < len(sa.Addr); i++ {
sa.raw.Addr[i] = sa.Addr[i]
}
return unsafe.Pointer(&sa.raw), _Socklen(sa.raw.Len), nil
}
func (sa *SockaddrUnix) sockaddr() (unsafe.Pointer, _Socklen, error) {
name := sa.Name
n := len(name)
if n >= len(sa.raw.Path) || n == 0 {
return nil, 0, EINVAL
}
sa.raw.Len = byte(3 + n) // 2 for Family, Len; 1 for NUL
sa.raw.Family = AF_UNIX
for i := 0; i < n; i++ {
sa.raw.Path[i] = int8(name[i])
}
return unsafe.Pointer(&sa.raw), _Socklen(sa.raw.Len), nil
}
func (sa *SockaddrDatalink) sockaddr() (unsafe.Pointer, _Socklen, error) {
if sa.Index == 0 {
return nil, 0, EINVAL
}
sa.raw.Len = sa.Len
sa.raw.Family = AF_LINK
sa.raw.Index = sa.Index
sa.raw.Type = sa.Type
sa.raw.Nlen = sa.Nlen
sa.raw.Alen = sa.Alen
sa.raw.Slen = sa.Slen
for i := 0; i < len(sa.raw.Data); i++ {
sa.raw.Data[i] = sa.Data[i]
}
return unsafe.Pointer(&sa.raw), SizeofSockaddrDatalink, nil
}
func anyToSockaddr(rsa *RawSockaddrAny) (Sockaddr, error) {
switch rsa.Addr.Family {
case AF_LINK:
pp := (*RawSockaddrDatalink)(unsafe.Pointer(rsa))
sa := new(SockaddrDatalink)
sa.Len = pp.Len
sa.Family = pp.Family
sa.Index = pp.Index
sa.Type = pp.Type
sa.Nlen = pp.Nlen
sa.Alen = pp.Alen
sa.Slen = pp.Slen
for i := 0; i < len(sa.Data); i++ {
sa.Data[i] = pp.Data[i]
}
return sa, nil
case AF_UNIX:
pp := (*RawSockaddrUnix)(unsafe.Pointer(rsa))
if pp.Len < 2 || pp.Len > SizeofSockaddrUnix {
return nil, EINVAL
}
sa := new(SockaddrUnix)
// Some BSDs include the trailing NUL in the length, whereas
// others do not. Work around this by subtracting the leading
// family and len. The path is then scanned to see if a NUL
// terminator still exists within the length.
n := int(pp.Len) - 2 // subtract leading Family, Len
for i := 0; i < n; i++ {
if pp.Path[i] == 0 {
// found early NUL; assume Len included the NUL
// or was overestimating.
n = i
break
}
}
bytes := (*[10000]byte)(unsafe.Pointer(&pp.Path[0]))[0:n]
sa.Name = string(bytes)
return sa, nil
case AF_INET:
pp := (*RawSockaddrInet4)(unsafe.Pointer(rsa))
sa := new(SockaddrInet4)
p := (*[2]byte)(unsafe.Pointer(&pp.Port))
sa.Port = int(p[0])<<8 + int(p[1])
for i := 0; i < len(sa.Addr); i++ {
sa.Addr[i] = pp.Addr[i]
}
return sa, nil
case AF_INET6:
pp := (*RawSockaddrInet6)(unsafe.Pointer(rsa))
sa := new(SockaddrInet6)
p := (*[2]byte)(unsafe.Pointer(&pp.Port))
sa.Port = int(p[0])<<8 + int(p[1])
sa.ZoneId = pp.Scope_id
for i := 0; i < len(sa.Addr); i++ {
sa.Addr[i] = pp.Addr[i]
}
return sa, nil
}
return nil, EAFNOSUPPORT
}
func Accept(fd int) (nfd int, sa Sockaddr, err error) {
var rsa RawSockaddrAny
var len _Socklen = SizeofSockaddrAny
nfd, err = accept(fd, &rsa, &len)
if err != nil {
return
}
if runtime.GOOS == "darwin" && len == 0 {
// Accepted socket has no address.
// This is likely due to a bug in xnu kernels,
// where instead of ECONNABORTED error socket
// is accepted, but has no address.
Close(nfd)
return 0, nil, ECONNABORTED
}
sa, err = anyToSockaddr(&rsa)
if err != nil {
Close(nfd)
nfd = 0
}
return
}
func Getsockname(fd int) (sa Sockaddr, err error) {
var rsa RawSockaddrAny
var len _Socklen = SizeofSockaddrAny
if err = getsockname(fd, &rsa, &len); err != nil {
return
}
// TODO(jsing): DragonFly has a "bug" (see issue 3349), which should be
// reported upstream.
if runtime.GOOS == "dragonfly" && rsa.Addr.Family == AF_UNSPEC && rsa.Addr.Len == 0 {
rsa.Addr.Family = AF_UNIX
rsa.Addr.Len = SizeofSockaddrUnix
}
return anyToSockaddr(&rsa)
}
//sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error)
func GetsockoptByte(fd, level, opt int) (value byte, err error) {
var n byte
vallen := _Socklen(1)
err = getsockopt(fd, level, opt, unsafe.Pointer(&n), &vallen)
return n, err
}
func GetsockoptInet4Addr(fd, level, opt int) (value [4]byte, err error) {
vallen := _Socklen(4)
err = getsockopt(fd, level, opt, unsafe.Pointer(&value[0]), &vallen)
return value, err
}
func GetsockoptIPMreq(fd, level, opt int) (*IPMreq, error) {
var value IPMreq
vallen := _Socklen(SizeofIPMreq)
err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
return &value, err
}
func GetsockoptIPv6Mreq(fd, level, opt int) (*IPv6Mreq, error) {
var value IPv6Mreq
vallen := _Socklen(SizeofIPv6Mreq)
err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
return &value, err
}
func GetsockoptIPv6MTUInfo(fd, level, opt int) (*IPv6MTUInfo, error) {
var value IPv6MTUInfo
vallen := _Socklen(SizeofIPv6MTUInfo)
err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
return &value, err
}
func GetsockoptICMPv6Filter(fd, level, opt int) (*ICMPv6Filter, error) {
var value ICMPv6Filter
vallen := _Socklen(SizeofICMPv6Filter)
err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
return &value, err
}
//sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error)
//sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
//sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from Sockaddr, err error) {
var msg Msghdr
var rsa RawSockaddrAny
msg.Name = (*byte)(unsafe.Pointer(&rsa))
msg.Namelen = uint32(SizeofSockaddrAny)
var iov Iovec
if len(p) > 0 {
iov.Base = (*byte)(unsafe.Pointer(&p[0]))
iov.SetLen(len(p))
}
var dummy byte
if len(oob) > 0 {
// receive at least one normal byte
if len(p) == 0 {
iov.Base = &dummy
iov.SetLen(1)
}
msg.Control = (*byte)(unsafe.Pointer(&oob[0]))
msg.SetControllen(len(oob))
}
msg.Iov = &iov
msg.Iovlen = 1
if n, err = recvmsg(fd, &msg, flags); err != nil {
return
}
oobn = int(msg.Controllen)
recvflags = int(msg.Flags)
// source address is only specified if the socket is unconnected
if rsa.Addr.Family != AF_UNSPEC {
from, err = anyToSockaddr(&rsa)
}
return
}
//sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error)
func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) {
_, err = SendmsgN(fd, p, oob, to, flags)
return
}
func SendmsgN(fd int, p, oob []byte, to Sockaddr, flags int) (n int, err error) {
var ptr unsafe.Pointer
var salen _Socklen
if to != nil {
ptr, salen, err = to.sockaddr()
if err != nil {
return 0, err
}
}
var msg Msghdr
msg.Name = (*byte)(unsafe.Pointer(ptr))
msg.Namelen = uint32(salen)
var iov Iovec
if len(p) > 0 {
iov.Base = (*byte)(unsafe.Pointer(&p[0]))
iov.SetLen(len(p))
}
var dummy byte
if len(oob) > 0 {
// send at least one normal byte
if len(p) == 0 {
iov.Base = &dummy
iov.SetLen(1)
}
msg.Control = (*byte)(unsafe.Pointer(&oob[0]))
msg.SetControllen(len(oob))
}
msg.Iov = &iov
msg.Iovlen = 1
if n, err = sendmsg(fd, &msg, flags); err != nil {
return 0, err
}
if len(oob) > 0 && len(p) == 0 {
n = 0
}
return n, nil
}
//sys kevent(kq int, change unsafe.Pointer, nchange int, event unsafe.Pointer, nevent int, timeout *Timespec) (n int, err error)
func Kevent(kq int, changes, events []Kevent_t, timeout *Timespec) (n int, err error) {
var change, event unsafe.Pointer
if len(changes) > 0 {
change = unsafe.Pointer(&changes[0])
}
if len(events) > 0 {
event = unsafe.Pointer(&events[0])
}
return kevent(kq, change, len(changes), event, len(events), timeout)
}
//sys sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS___SYSCTL
// sysctlmib translates name to mib number and appends any additional args.
func sysctlmib(name string, args ...int) ([]_C_int, error) {
// Translate name to mib number.
mib, err := nametomib(name)
if err != nil {
return nil, err
}
for _, a := range args {
mib = append(mib, _C_int(a))
}
return mib, nil
}
func Sysctl(name string) (string, error) {
return SysctlArgs(name)
}
func SysctlArgs(name string, args ...int) (string, error) {
buf, err := SysctlRaw(name, args...)
if err != nil {
return "", err
}
n := len(buf)
// Throw away terminating NUL.
if n > 0 && buf[n-1] == '\x00' {
n--
}
return string(buf[0:n]), nil
}
func SysctlUint32(name string) (uint32, error) {
return SysctlUint32Args(name)
}
func SysctlUint32Args(name string, args ...int) (uint32, error) {
mib, err := sysctlmib(name, args...)
if err != nil {
return 0, err
}
n := uintptr(4)
buf := make([]byte, 4)
if err := sysctl(mib, &buf[0], &n, nil, 0); err != nil {
return 0, err
}
if n != 4 {
return 0, EIO
}
return *(*uint32)(unsafe.Pointer(&buf[0])), nil
}
func SysctlUint64(name string, args ...int) (uint64, error) {
mib, err := sysctlmib(name, args...)
if err != nil {
return 0, err
}
n := uintptr(8)
buf := make([]byte, 8)
if err := sysctl(mib, &buf[0], &n, nil, 0); err != nil {
return 0, err
}
if n != 8 {
return 0, EIO
}
return *(*uint64)(unsafe.Pointer(&buf[0])), nil
}
func SysctlRaw(name string, args ...int) ([]byte, error) {
mib, err := sysctlmib(name, args...)
if err != nil {
return nil, err
}
// Find size.
n := uintptr(0)
if err := sysctl(mib, nil, &n, nil, 0); err != nil {
return nil, err
}
if n == 0 {
return nil, nil
}
// Read into buffer of that size.
buf := make([]byte, n)
if err := sysctl(mib, &buf[0], &n, nil, 0); err != nil {
return nil, err
}
// The actual call may return less than the original reported required
// size so ensure we deal with that.
return buf[:n], nil
}
//sys utimes(path string, timeval *[2]Timeval) (err error)
func Utimes(path string, tv []Timeval) error {
if tv == nil {
return utimes(path, nil)
}
if len(tv) != 2 {
return EINVAL
}
return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
}
func UtimesNano(path string, ts []Timespec) error {
if ts == nil {
return utimes(path, nil)
}
// TODO: The BSDs can do utimensat with SYS_UTIMENSAT but it
// isn't supported by darwin so this uses utimes instead
if len(ts) != 2 {
return EINVAL
}
// Not as efficient as it could be because Timespec and
// Timeval have different types in the different OSes
tv := [2]Timeval{
NsecToTimeval(TimespecToNsec(ts[0])),
NsecToTimeval(TimespecToNsec(ts[1])),
}
return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
}
//sys futimes(fd int, timeval *[2]Timeval) (err error)
func Futimes(fd int, tv []Timeval) error {
if tv == nil {
return futimes(fd, nil)
}
if len(tv) != 2 {
return EINVAL
}
return futimes(fd, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
}
//sys fcntl(fd int, cmd int, arg int) (val int, err error)
// TODO: wrap
// Acct(name nil-string) (err error)
// Gethostuuid(uuid *byte, timeout *Timespec) (err error)
// Madvise(addr *byte, len int, behav int) (err error)
// Mprotect(addr *byte, len int, prot int) (err error)
// Msync(addr *byte, len int, flags int) (err error)
// Ptrace(req int, pid int, addr uintptr, data int) (ret uintptr, err error)
var mapper = &mmapper{
active: make(map[*byte][]byte),
mmap: mmap,
munmap: munmap,
}
func Mmap(fd int, offset int64, length int, prot int, flags int) (data []byte, err error) {
return mapper.Mmap(fd, offset, length, prot, flags)
}
func Munmap(b []byte) (err error) {
return mapper.Munmap(b)
}

509
vendor/golang.org/x/sys/unix/syscall_darwin.go generated vendored Normal file
View File

@ -0,0 +1,509 @@
// Copyright 2009,2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Darwin system calls.
// This file is compiled as ordinary Go code,
// but it is also input to mksyscall,
// which parses the //sys lines and generates system call stubs.
// Note that sometimes we use a lowercase //sys name and wrap
// it in our own nicer implementation, either here or in
// syscall_bsd.go or syscall_unix.go.
package unix
import (
errorspkg "errors"
"syscall"
"unsafe"
)
const ImplementsGetwd = true
func Getwd() (string, error) {
buf := make([]byte, 2048)
attrs, err := getAttrList(".", attrList{CommonAttr: attrCmnFullpath}, buf, 0)
if err == nil && len(attrs) == 1 && len(attrs[0]) >= 2 {
wd := string(attrs[0])
// Sanity check that it's an absolute path and ends
// in a null byte, which we then strip.
if wd[0] == '/' && wd[len(wd)-1] == 0 {
return wd[:len(wd)-1], nil
}
}
// If pkg/os/getwd.go gets ENOTSUP, it will fall back to the
// slow algorithm.
return "", ENOTSUP
}
type SockaddrDatalink struct {
Len uint8
Family uint8
Index uint16
Type uint8
Nlen uint8
Alen uint8
Slen uint8
Data [12]int8
raw RawSockaddrDatalink
}
// Translate "kern.hostname" to []_C_int{0,1,2,3}.
func nametomib(name string) (mib []_C_int, err error) {
const siz = unsafe.Sizeof(mib[0])
// NOTE(rsc): It seems strange to set the buffer to have
// size CTL_MAXNAME+2 but use only CTL_MAXNAME
// as the size. I don't know why the +2 is here, but the
// kernel uses +2 for its own implementation of this function.
// I am scared that if we don't include the +2 here, the kernel
// will silently write 2 words farther than we specify
// and we'll get memory corruption.
var buf [CTL_MAXNAME + 2]_C_int
n := uintptr(CTL_MAXNAME) * siz
p := (*byte)(unsafe.Pointer(&buf[0]))
bytes, err := ByteSliceFromString(name)
if err != nil {
return nil, err
}
// Magic sysctl: "setting" 0.3 to a string name
// lets you read back the array of integers form.
if err = sysctl([]_C_int{0, 3}, p, &n, &bytes[0], uintptr(len(name))); err != nil {
return nil, err
}
return buf[0 : n/siz], nil
}
// ParseDirent parses up to max directory entries in buf,
// appending the names to names. It returns the number
// bytes consumed from buf, the number of entries added
// to names, and the new names slice.
func ParseDirent(buf []byte, max int, names []string) (consumed int, count int, newnames []string) {
origlen := len(buf)
for max != 0 && len(buf) > 0 {
dirent := (*Dirent)(unsafe.Pointer(&buf[0]))
if dirent.Reclen == 0 {
buf = nil
break
}
buf = buf[dirent.Reclen:]
if dirent.Ino == 0 { // File absent in directory.
continue
}
bytes := (*[10000]byte)(unsafe.Pointer(&dirent.Name[0]))
var name = string(bytes[0:dirent.Namlen])
if name == "." || name == ".." { // Useless names
continue
}
max--
count++
names = append(names, name)
}
return origlen - len(buf), count, names
}
//sys ptrace(request int, pid int, addr uintptr, data uintptr) (err error)
func PtraceAttach(pid int) (err error) { return ptrace(PT_ATTACH, pid, 0, 0) }
func PtraceDetach(pid int) (err error) { return ptrace(PT_DETACH, pid, 0, 0) }
const (
attrBitMapCount = 5
attrCmnFullpath = 0x08000000
)
type attrList struct {
bitmapCount uint16
_ uint16
CommonAttr uint32
VolAttr uint32
DirAttr uint32
FileAttr uint32
Forkattr uint32
}
func getAttrList(path string, attrList attrList, attrBuf []byte, options uint) (attrs [][]byte, err error) {
if len(attrBuf) < 4 {
return nil, errorspkg.New("attrBuf too small")
}
attrList.bitmapCount = attrBitMapCount
var _p0 *byte
_p0, err = BytePtrFromString(path)
if err != nil {
return nil, err
}
_, _, e1 := Syscall6(
SYS_GETATTRLIST,
uintptr(unsafe.Pointer(_p0)),
uintptr(unsafe.Pointer(&attrList)),
uintptr(unsafe.Pointer(&attrBuf[0])),
uintptr(len(attrBuf)),
uintptr(options),
0,
)
if e1 != 0 {
return nil, e1
}
size := *(*uint32)(unsafe.Pointer(&attrBuf[0]))
// dat is the section of attrBuf that contains valid data,
// without the 4 byte length header. All attribute offsets
// are relative to dat.
dat := attrBuf
if int(size) < len(attrBuf) {
dat = dat[:size]
}
dat = dat[4:] // remove length prefix
for i := uint32(0); int(i) < len(dat); {
header := dat[i:]
if len(header) < 8 {
return attrs, errorspkg.New("truncated attribute header")
}
datOff := *(*int32)(unsafe.Pointer(&header[0]))
attrLen := *(*uint32)(unsafe.Pointer(&header[4]))
if datOff < 0 || uint32(datOff)+attrLen > uint32(len(dat)) {
return attrs, errorspkg.New("truncated results; attrBuf too small")
}
end := uint32(datOff) + attrLen
attrs = append(attrs, dat[datOff:end])
i = end
if r := i % 4; r != 0 {
i += (4 - r)
}
}
return
}
//sysnb pipe() (r int, w int, err error)
func Pipe(p []int) (err error) {
if len(p) != 2 {
return EINVAL
}
p[0], p[1], err = pipe()
return
}
func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
var _p0 unsafe.Pointer
var bufsize uintptr
if len(buf) > 0 {
_p0 = unsafe.Pointer(&buf[0])
bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf))
}
r0, _, e1 := Syscall(SYS_GETFSSTAT64, uintptr(_p0), bufsize, uintptr(flags))
n = int(r0)
if e1 != 0 {
err = e1
}
return
}
/*
* Wrapped
*/
//sys kill(pid int, signum int, posix int) (err error)
func Kill(pid int, signum syscall.Signal) (err error) { return kill(pid, int(signum), 1) }
/*
* Exposed directly
*/
//sys Access(path string, mode uint32) (err error)
//sys Adjtime(delta *Timeval, olddelta *Timeval) (err error)
//sys Chdir(path string) (err error)
//sys Chflags(path string, flags int) (err error)
//sys Chmod(path string, mode uint32) (err error)
//sys Chown(path string, uid int, gid int) (err error)
//sys Chroot(path string) (err error)
//sys Close(fd int) (err error)
//sys Dup(fd int) (nfd int, err error)
//sys Dup2(from int, to int) (err error)
//sys Exchangedata(path1 string, path2 string, options int) (err error)
//sys Exit(code int)
//sys Fchdir(fd int) (err error)
//sys Fchflags(fd int, flags int) (err error)
//sys Fchmod(fd int, mode uint32) (err error)
//sys Fchown(fd int, uid int, gid int) (err error)
//sys Flock(fd int, how int) (err error)
//sys Fpathconf(fd int, name int) (val int, err error)
//sys Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64
//sys Fstatfs(fd int, stat *Statfs_t) (err error) = SYS_FSTATFS64
//sys Fsync(fd int) (err error)
//sys Ftruncate(fd int, length int64) (err error)
//sys Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) = SYS_GETDIRENTRIES64
//sys Getdtablesize() (size int)
//sysnb Getegid() (egid int)
//sysnb Geteuid() (uid int)
//sysnb Getgid() (gid int)
//sysnb Getpgid(pid int) (pgid int, err error)
//sysnb Getpgrp() (pgrp int)
//sysnb Getpid() (pid int)
//sysnb Getppid() (ppid int)
//sys Getpriority(which int, who int) (prio int, err error)
//sysnb Getrlimit(which int, lim *Rlimit) (err error)
//sysnb Getrusage(who int, rusage *Rusage) (err error)
//sysnb Getsid(pid int) (sid int, err error)
//sysnb Getuid() (uid int)
//sysnb Issetugid() (tainted bool)
//sys Kqueue() (fd int, err error)
//sys Lchown(path string, uid int, gid int) (err error)
//sys Link(path string, link string) (err error)
//sys Listen(s int, backlog int) (err error)
//sys Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64
//sys Mkdir(path string, mode uint32) (err error)
//sys Mkfifo(path string, mode uint32) (err error)
//sys Mknod(path string, mode uint32, dev int) (err error)
//sys Mlock(b []byte) (err error)
//sys Mlockall(flags int) (err error)
//sys Mprotect(b []byte, prot int) (err error)
//sys Munlock(b []byte) (err error)
//sys Munlockall() (err error)
//sys Open(path string, mode int, perm uint32) (fd int, err error)
//sys Pathconf(path string, name int) (val int, err error)
//sys Pread(fd int, p []byte, offset int64) (n int, err error)
//sys Pwrite(fd int, p []byte, offset int64) (n int, err error)
//sys read(fd int, p []byte) (n int, err error)
//sys Readlink(path string, buf []byte) (n int, err error)
//sys Rename(from string, to string) (err error)
//sys Revoke(path string) (err error)
//sys Rmdir(path string) (err error)
//sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK
//sys Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error)
//sys Setegid(egid int) (err error)
//sysnb Seteuid(euid int) (err error)
//sysnb Setgid(gid int) (err error)
//sys Setlogin(name string) (err error)
//sysnb Setpgid(pid int, pgid int) (err error)
//sys Setpriority(which int, who int, prio int) (err error)
//sys Setprivexec(flag int) (err error)
//sysnb Setregid(rgid int, egid int) (err error)
//sysnb Setreuid(ruid int, euid int) (err error)
//sysnb Setrlimit(which int, lim *Rlimit) (err error)
//sysnb Setsid() (pid int, err error)
//sysnb Settimeofday(tp *Timeval) (err error)
//sysnb Setuid(uid int) (err error)
//sys Stat(path string, stat *Stat_t) (err error) = SYS_STAT64
//sys Statfs(path string, stat *Statfs_t) (err error) = SYS_STATFS64
//sys Symlink(path string, link string) (err error)
//sys Sync() (err error)
//sys Truncate(path string, length int64) (err error)
//sys Umask(newmask int) (oldmask int)
//sys Undelete(path string) (err error)
//sys Unlink(path string) (err error)
//sys Unmount(path string, flags int) (err error)
//sys write(fd int, p []byte) (n int, err error)
//sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error)
//sys munmap(addr uintptr, length uintptr) (err error)
//sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ
//sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE
/*
* Unimplemented
*/
// Profil
// Sigaction
// Sigprocmask
// Getlogin
// Sigpending
// Sigaltstack
// Ioctl
// Reboot
// Execve
// Vfork
// Sbrk
// Sstk
// Ovadvise
// Mincore
// Setitimer
// Swapon
// Select
// Sigsuspend
// Readv
// Writev
// Nfssvc
// Getfh
// Quotactl
// Mount
// Csops
// Waitid
// Add_profil
// Kdebug_trace
// Sigreturn
// Mmap
// Mlock
// Munlock
// Atsocket
// Kqueue_from_portset_np
// Kqueue_portset
// Getattrlist
// Setattrlist
// Getdirentriesattr
// Searchfs
// Delete
// Copyfile
// Poll
// Watchevent
// Waitevent
// Modwatch
// Getxattr
// Fgetxattr
// Setxattr
// Fsetxattr
// Removexattr
// Fremovexattr
// Listxattr
// Flistxattr
// Fsctl
// Initgroups
// Posix_spawn
// Nfsclnt
// Fhopen
// Minherit
// Semsys
// Msgsys
// Shmsys
// Semctl
// Semget
// Semop
// Msgctl
// Msgget
// Msgsnd
// Msgrcv
// Shmat
// Shmctl
// Shmdt
// Shmget
// Shm_open
// Shm_unlink
// Sem_open
// Sem_close
// Sem_unlink
// Sem_wait
// Sem_trywait
// Sem_post
// Sem_getvalue
// Sem_init
// Sem_destroy
// Open_extended
// Umask_extended
// Stat_extended
// Lstat_extended
// Fstat_extended
// Chmod_extended
// Fchmod_extended
// Access_extended
// Settid
// Gettid
// Setsgroups
// Getsgroups
// Setwgroups
// Getwgroups
// Mkfifo_extended
// Mkdir_extended
// Identitysvc
// Shared_region_check_np
// Shared_region_map_np
// __pthread_mutex_destroy
// __pthread_mutex_init
// __pthread_mutex_lock
// __pthread_mutex_trylock
// __pthread_mutex_unlock
// __pthread_cond_init
// __pthread_cond_destroy
// __pthread_cond_broadcast
// __pthread_cond_signal
// Setsid_with_pid
// __pthread_cond_timedwait
// Aio_fsync
// Aio_return
// Aio_suspend
// Aio_cancel
// Aio_error
// Aio_read
// Aio_write
// Lio_listio
// __pthread_cond_wait
// Iopolicysys
// Mlockall
// Munlockall
// __pthread_kill
// __pthread_sigmask
// __sigwait
// __disable_threadsignal
// __pthread_markcancel
// __pthread_canceled
// __semwait_signal
// Proc_info
// sendfile
// Stat64_extended
// Lstat64_extended
// Fstat64_extended
// __pthread_chdir
// __pthread_fchdir
// Audit
// Auditon
// Getauid
// Setauid
// Getaudit
// Setaudit
// Getaudit_addr
// Setaudit_addr
// Auditctl
// Bsdthread_create
// Bsdthread_terminate
// Stack_snapshot
// Bsdthread_register
// Workq_open
// Workq_ops
// __mac_execve
// __mac_syscall
// __mac_get_file
// __mac_set_file
// __mac_get_link
// __mac_set_link
// __mac_get_proc
// __mac_set_proc
// __mac_get_fd
// __mac_set_fd
// __mac_get_pid
// __mac_get_lcid
// __mac_get_lctx
// __mac_set_lctx
// Setlcid
// Read_nocancel
// Write_nocancel
// Open_nocancel
// Close_nocancel
// Wait4_nocancel
// Recvmsg_nocancel
// Sendmsg_nocancel
// Recvfrom_nocancel
// Accept_nocancel
// Msync_nocancel
// Fcntl_nocancel
// Select_nocancel
// Fsync_nocancel
// Connect_nocancel
// Sigsuspend_nocancel
// Readv_nocancel
// Writev_nocancel
// Sendto_nocancel
// Pread_nocancel
// Pwrite_nocancel
// Waitid_nocancel
// Poll_nocancel
// Msgsnd_nocancel
// Msgrcv_nocancel
// Sem_wait_nocancel
// Aio_suspend_nocancel
// __sigwait_nocancel
// __semwait_signal_nocancel
// __mac_mount
// __mac_get_mount
// __mac_getfsstat

77
vendor/golang.org/x/sys/unix/syscall_darwin_386.go generated vendored Normal file
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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build 386,darwin
package unix
import (
"syscall"
"unsafe"
)
func Getpagesize() int { return 4096 }
func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) }
func NsecToTimespec(nsec int64) (ts Timespec) {
ts.Sec = int32(nsec / 1e9)
ts.Nsec = int32(nsec % 1e9)
return
}
func NsecToTimeval(nsec int64) (tv Timeval) {
nsec += 999 // round up to microsecond
tv.Usec = int32(nsec % 1e9 / 1e3)
tv.Sec = int32(nsec / 1e9)
return
}
//sysnb gettimeofday(tp *Timeval) (sec int32, usec int32, err error)
func Gettimeofday(tv *Timeval) (err error) {
// The tv passed to gettimeofday must be non-nil
// but is otherwise unused. The answers come back
// in the two registers.
sec, usec, err := gettimeofday(tv)
tv.Sec = int32(sec)
tv.Usec = int32(usec)
return err
}
func SetKevent(k *Kevent_t, fd, mode, flags int) {
k.Ident = uint32(fd)
k.Filter = int16(mode)
k.Flags = uint16(flags)
}
func (iov *Iovec) SetLen(length int) {
iov.Len = uint32(length)
}
func (msghdr *Msghdr) SetControllen(length int) {
msghdr.Controllen = uint32(length)
}
func (cmsg *Cmsghdr) SetLen(length int) {
cmsg.Len = uint32(length)
}
func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
var length = uint64(count)
_, _, e1 := Syscall9(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(*offset>>32), uintptr(unsafe.Pointer(&length)), 0, 0, 0, 0)
written = int(length)
if e1 != 0 {
err = e1
}
return
}
func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
// SYS___SYSCTL is used by syscall_bsd.go for all BSDs, but in modern versions
// of darwin/386 the syscall is called sysctl instead of __sysctl.
const SYS___SYSCTL = SYS_SYSCTL

79
vendor/golang.org/x/sys/unix/syscall_darwin_amd64.go generated vendored Normal file
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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build amd64,darwin
package unix
import (
"syscall"
"unsafe"
)
//sys Fchmodat(dirfd int, path string, mode uint32, flags int) (err error)
func Getpagesize() int { return 4096 }
func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) }
func NsecToTimespec(nsec int64) (ts Timespec) {
ts.Sec = nsec / 1e9
ts.Nsec = nsec % 1e9
return
}
func NsecToTimeval(nsec int64) (tv Timeval) {
nsec += 999 // round up to microsecond
tv.Usec = int32(nsec % 1e9 / 1e3)
tv.Sec = int64(nsec / 1e9)
return
}
//sysnb gettimeofday(tp *Timeval) (sec int64, usec int32, err error)
func Gettimeofday(tv *Timeval) (err error) {
// The tv passed to gettimeofday must be non-nil
// but is otherwise unused. The answers come back
// in the two registers.
sec, usec, err := gettimeofday(tv)
tv.Sec = sec
tv.Usec = usec
return err
}
func SetKevent(k *Kevent_t, fd, mode, flags int) {
k.Ident = uint64(fd)
k.Filter = int16(mode)
k.Flags = uint16(flags)
}
func (iov *Iovec) SetLen(length int) {
iov.Len = uint64(length)
}
func (msghdr *Msghdr) SetControllen(length int) {
msghdr.Controllen = uint32(length)
}
func (cmsg *Cmsghdr) SetLen(length int) {
cmsg.Len = uint32(length)
}
func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
var length = uint64(count)
_, _, e1 := Syscall6(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(unsafe.Pointer(&length)), 0, 0)
written = int(length)
if e1 != 0 {
err = e1
}
return
}
func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
// SYS___SYSCTL is used by syscall_bsd.go for all BSDs, but in modern versions
// of darwin/amd64 the syscall is called sysctl instead of __sysctl.
const SYS___SYSCTL = SYS_SYSCTL

71
vendor/golang.org/x/sys/unix/syscall_darwin_arm.go generated vendored Normal file
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// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package unix
import (
"syscall"
"unsafe"
)
func Getpagesize() int { return 4096 }
func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) }
func NsecToTimespec(nsec int64) (ts Timespec) {
ts.Sec = int32(nsec / 1e9)
ts.Nsec = int32(nsec % 1e9)
return
}
func NsecToTimeval(nsec int64) (tv Timeval) {
nsec += 999 // round up to microsecond
tv.Usec = int32(nsec % 1e9 / 1e3)
tv.Sec = int32(nsec / 1e9)
return
}
//sysnb gettimeofday(tp *Timeval) (sec int32, usec int32, err error)
func Gettimeofday(tv *Timeval) (err error) {
// The tv passed to gettimeofday must be non-nil
// but is otherwise unused. The answers come back
// in the two registers.
sec, usec, err := gettimeofday(tv)
tv.Sec = int32(sec)
tv.Usec = int32(usec)
return err
}
func SetKevent(k *Kevent_t, fd, mode, flags int) {
k.Ident = uint32(fd)
k.Filter = int16(mode)
k.Flags = uint16(flags)
}
func (iov *Iovec) SetLen(length int) {
iov.Len = uint32(length)
}
func (msghdr *Msghdr) SetControllen(length int) {
msghdr.Controllen = uint32(length)
}
func (cmsg *Cmsghdr) SetLen(length int) {
cmsg.Len = uint32(length)
}
func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
var length = uint64(count)
_, _, e1 := Syscall9(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(*offset>>32), uintptr(unsafe.Pointer(&length)), 0, 0, 0, 0)
written = int(length)
if e1 != 0 {
err = e1
}
return
}
func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) // sic

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