mirror of
https://github.com/cwinfo/yggdrasil-go.git
synced 2024-11-24 09:01:35 +00:00
92 lines
3.1 KiB
Go
92 lines
3.1 KiB
Go
package main
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import (
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"bytes"
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"flag"
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"fmt"
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"log"
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"os"
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"github.com/hjson/hjson-go"
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"golang.org/x/text/encoding/unicode"
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"github.com/yggdrasil-network/yggdrasil-go/src/defaults"
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)
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type CmdLineEnv struct {
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args []string
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endpoint, server string
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injson, ver bool
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}
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func newCmdLineEnv() CmdLineEnv {
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var cmdLineEnv CmdLineEnv
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cmdLineEnv.endpoint = defaults.GetDefaults().DefaultAdminListen
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return cmdLineEnv
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}
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func (cmdLineEnv *CmdLineEnv) parseFlagsAndArgs() {
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flag.Usage = func() {
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fmt.Fprintf(flag.CommandLine.Output(), "Usage: %s [options] command [key=value] [key=value] ...\n\n", os.Args[0])
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fmt.Println("Options:")
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flag.PrintDefaults()
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fmt.Println()
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fmt.Println("Please note that options must always specified BEFORE the command\non the command line or they will be ignored.")
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fmt.Println()
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fmt.Println("Commands:\n - Use \"list\" for a list of available commands")
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fmt.Println()
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fmt.Println("Examples:")
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fmt.Println(" - ", os.Args[0], "list")
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fmt.Println(" - ", os.Args[0], "getPeers")
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fmt.Println(" - ", os.Args[0], "-v getSelf")
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fmt.Println(" - ", os.Args[0], "setTunTap name=auto mtu=1500 tap_mode=false")
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fmt.Println(" - ", os.Args[0], "-endpoint=tcp://localhost:9001 getDHT")
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fmt.Println(" - ", os.Args[0], "-endpoint=unix:///var/run/ygg.sock getDHT")
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}
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server := flag.String("endpoint", cmdLineEnv.endpoint, "Admin socket endpoint")
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injson := flag.Bool("json", false, "Output in JSON format (as opposed to pretty-print)")
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ver := flag.Bool("version", false, "Prints the version of this build")
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flag.Parse()
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cmdLineEnv.args = flag.Args()
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cmdLineEnv.server = *server
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cmdLineEnv.injson = *injson
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cmdLineEnv.ver = *ver
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}
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func (cmdLineEnv *CmdLineEnv) setEndpoint(logger *log.Logger) {
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if cmdLineEnv.server == cmdLineEnv.endpoint {
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if config, err := os.ReadFile(defaults.GetDefaults().DefaultConfigFile); err == nil {
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if bytes.Equal(config[0:2], []byte{0xFF, 0xFE}) ||
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bytes.Equal(config[0:2], []byte{0xFE, 0xFF}) {
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utf := unicode.UTF16(unicode.BigEndian, unicode.UseBOM)
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decoder := utf.NewDecoder()
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config, err = decoder.Bytes(config)
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if err != nil {
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panic(err)
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}
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}
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var dat map[string]interface{}
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if err := hjson.Unmarshal(config, &dat); err != nil {
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panic(err)
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}
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if ep, ok := dat["AdminListen"].(string); ok && (ep != "none" && ep != "") {
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cmdLineEnv.endpoint = ep
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logger.Println("Found platform default config file", defaults.GetDefaults().DefaultConfigFile)
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logger.Println("Using endpoint", cmdLineEnv.endpoint, "from AdminListen")
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} else {
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logger.Println("Configuration file doesn't contain appropriate AdminListen option")
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logger.Println("Falling back to platform default", defaults.GetDefaults().DefaultAdminListen)
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}
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} else {
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logger.Println("Can't open config file from default location", defaults.GetDefaults().DefaultConfigFile)
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logger.Println("Falling back to platform default", defaults.GetDefaults().DefaultAdminListen)
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}
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} else {
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cmdLineEnv.endpoint = cmdLineEnv.server
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logger.Println("Using endpoint", cmdLineEnv.endpoint, "from command line")
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}
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}
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