Files
go2rtc/internal/app/app.go
2024-06-18 20:35:17 +03:00

102 lines
2.2 KiB
Go

package app
import (
"flag"
"fmt"
"os"
"os/exec"
"runtime"
"runtime/debug"
)
var (
Version string
UserAgent string
ConfigPath string
Info = make(map[string]any)
)
const usage = `Usage of go2rtc:
-c, --config Path to config file or config string as YAML or JSON, support multiple
-d, --daemon Run in background
-v, --version Print version and exit
`
func Init() {
var config flagConfig
var daemon bool
var version bool
flag.Var(&config, "config", "")
flag.Var(&config, "c", "")
flag.BoolVar(&daemon, "daemon", false, "")
flag.BoolVar(&daemon, "d", false, "")
flag.BoolVar(&version, "version", false, "")
flag.BoolVar(&version, "v", false, "")
flag.Usage = func() { fmt.Print(usage) }
flag.Parse()
revision, vcsTime := readRevisionTime()
if version {
fmt.Printf("go2rtc version %s (%s) %s/%s\n", Version, revision, runtime.GOOS, runtime.GOARCH)
os.Exit(0)
}
if daemon && os.Getppid() != 1 {
if runtime.GOOS == "windows" {
fmt.Println("Daemon mode is not supported on Windows")
os.Exit(1)
}
// Re-run the program in background and exit
cmd := exec.Command(os.Args[0], os.Args[1:]...)
if err := cmd.Start(); err != nil {
fmt.Println("Failed to start daemon:", err)
os.Exit(1)
}
fmt.Println("Running in daemon mode with PID:", cmd.Process.Pid)
os.Exit(0)
}
UserAgent = "go2rtc/" + Version
Info["version"] = Version
Info["revision"] = revision
initConfig(config)
initLogger()
platform := fmt.Sprintf("%s/%s", runtime.GOOS, runtime.GOARCH)
Logger.Info().Str("version", Version).Str("platform", platform).Str("revision", revision).Msg("go2rtc")
Logger.Debug().Str("version", runtime.Version()).Str("vcs.time", vcsTime).Msg("build")
if ConfigPath != "" {
Logger.Info().Str("path", ConfigPath).Msg("config")
}
}
func readRevisionTime() (revision, vcsTime string) {
if info, ok := debug.ReadBuildInfo(); ok {
for _, setting := range info.Settings {
switch setting.Key {
case "vcs.revision":
if len(setting.Value) > 7 {
revision = setting.Value[:7]
} else {
revision = setting.Value
}
case "vcs.time":
vcsTime = setting.Value
case "vcs.modified":
if setting.Value == "true" {
revision = "mod." + revision
}
}
}
}
return
}