mirror of
https://github.com/cwinfo/matterbridge.git
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133 lines
4.6 KiB
Go
133 lines
4.6 KiB
Go
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// Copyright (c) 2016 Uber Technologies, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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package zap
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import (
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"go.uber.org/atomic"
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"go.uber.org/zap/zapcore"
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)
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const (
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// DebugLevel logs are typically voluminous, and are usually disabled in
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// production.
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DebugLevel = zapcore.DebugLevel
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// InfoLevel is the default logging priority.
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InfoLevel = zapcore.InfoLevel
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// WarnLevel logs are more important than Info, but don't need individual
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// human review.
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WarnLevel = zapcore.WarnLevel
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// ErrorLevel logs are high-priority. If an application is running smoothly,
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// it shouldn't generate any error-level logs.
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ErrorLevel = zapcore.ErrorLevel
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// DPanicLevel logs are particularly important errors. In development the
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// logger panics after writing the message.
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DPanicLevel = zapcore.DPanicLevel
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// PanicLevel logs a message, then panics.
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PanicLevel = zapcore.PanicLevel
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// FatalLevel logs a message, then calls os.Exit(1).
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FatalLevel = zapcore.FatalLevel
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)
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// LevelEnablerFunc is a convenient way to implement zapcore.LevelEnabler with
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// an anonymous function.
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//
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// It's particularly useful when splitting log output between different
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// outputs (e.g., standard error and standard out). For sample code, see the
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// package-level AdvancedConfiguration example.
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type LevelEnablerFunc func(zapcore.Level) bool
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// Enabled calls the wrapped function.
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func (f LevelEnablerFunc) Enabled(lvl zapcore.Level) bool { return f(lvl) }
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// An AtomicLevel is an atomically changeable, dynamic logging level. It lets
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// you safely change the log level of a tree of loggers (the root logger and
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// any children created by adding context) at runtime.
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//
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// The AtomicLevel itself is an http.Handler that serves a JSON endpoint to
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// alter its level.
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//
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// AtomicLevels must be created with the NewAtomicLevel constructor to allocate
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// their internal atomic pointer.
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type AtomicLevel struct {
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l *atomic.Int32
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}
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// NewAtomicLevel creates an AtomicLevel with InfoLevel and above logging
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// enabled.
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func NewAtomicLevel() AtomicLevel {
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return AtomicLevel{
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l: atomic.NewInt32(int32(InfoLevel)),
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}
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}
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// NewAtomicLevelAt is a convenience function that creates an AtomicLevel
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// and then calls SetLevel with the given level.
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func NewAtomicLevelAt(l zapcore.Level) AtomicLevel {
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a := NewAtomicLevel()
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a.SetLevel(l)
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return a
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}
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// Enabled implements the zapcore.LevelEnabler interface, which allows the
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// AtomicLevel to be used in place of traditional static levels.
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func (lvl AtomicLevel) Enabled(l zapcore.Level) bool {
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return lvl.Level().Enabled(l)
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}
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// Level returns the minimum enabled log level.
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func (lvl AtomicLevel) Level() zapcore.Level {
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return zapcore.Level(int8(lvl.l.Load()))
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}
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// SetLevel alters the logging level.
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func (lvl AtomicLevel) SetLevel(l zapcore.Level) {
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lvl.l.Store(int32(l))
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}
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// String returns the string representation of the underlying Level.
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func (lvl AtomicLevel) String() string {
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return lvl.Level().String()
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}
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// UnmarshalText unmarshals the text to an AtomicLevel. It uses the same text
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// representations as the static zapcore.Levels ("debug", "info", "warn",
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// "error", "dpanic", "panic", and "fatal").
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func (lvl *AtomicLevel) UnmarshalText(text []byte) error {
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if lvl.l == nil {
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lvl.l = &atomic.Int32{}
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}
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var l zapcore.Level
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if err := l.UnmarshalText(text); err != nil {
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return err
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}
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lvl.SetLevel(l)
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return nil
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}
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// MarshalText marshals the AtomicLevel to a byte slice. It uses the same
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// text representation as the static zapcore.Levels ("debug", "info", "warn",
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// "error", "dpanic", "panic", and "fatal").
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func (lvl AtomicLevel) MarshalText() (text []byte, err error) {
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return lvl.Level().MarshalText()
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}
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