ghostream/main.go

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//go:generate pkger
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package main
import (
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"log"
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"strings"
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"github.com/pion/webrtc/v3"
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"github.com/spf13/viper"
"gitlab.crans.org/nounous/ghostream/auth"
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"gitlab.crans.org/nounous/ghostream/internal/monitoring"
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"gitlab.crans.org/nounous/ghostream/stream"
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"gitlab.crans.org/nounous/ghostream/stream/srt"
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"gitlab.crans.org/nounous/ghostream/web"
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)
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func loadConfiguration() {
// Load configuration from environnement variables
// Replace "." to "_" for nested structs
// e.g. GHOSTREAM_LDAP_URI will apply to Config.LDAP.URI
viper.SetEnvPrefix("ghostream")
replacer := strings.NewReplacer(".", "_")
viper.SetEnvKeyReplacer(replacer)
viper.AutomaticEnv()
// Load configuration file if exists
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viper.SetConfigName("ghostream.yml")
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viper.SetConfigType("yaml")
viper.AddConfigPath("$HOME/.ghostream")
viper.AddConfigPath("/etc/ghostream")
viper.AddConfigPath(".")
if err := viper.ReadInConfig(); err != nil {
if _, ok := err.(viper.ConfigFileNotFoundError); ok {
// Config file not found, ignore and use defaults
log.Print(err)
} else {
// Config file was found but another error was produced
log.Fatal(err)
}
} else {
// Config loaded
log.Printf("Using config file: %s", viper.ConfigFileUsed())
}
// Define configuration default values
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viper.SetDefault("Auth.Backend", "Basic")
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viper.SetDefault("Auth.LDAP.URI", "ldap://127.0.0.1:389")
viper.SetDefault("Auth.LDAP.UserDn", "cn=users,dc=example,dc=com")
viper.SetDefault("Monitoring.ListenAddress", ":2112")
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viper.SetDefault("Srt.ListenAddress", ":9710")
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viper.SetDefault("Web.ListenAddress", ":8080")
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viper.SetDefault("Web.Name", "Ghostream")
viper.SetDefault("Web.Hostname", "localhost")
viper.SetDefault("Web.Favicon", "/favicon.ico")
}
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func main() {
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// Load configuration
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loadConfiguration()
cfg := struct {
Auth auth.Options
Monitoring monitoring.Options
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Srt srt.Options
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Web web.Options
}{}
if err := viper.Unmarshal(&cfg); err != nil {
log.Fatalln("Failed to load settings", err)
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}
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// Init authentification
authBackend, err := auth.New(&cfg.Auth)
if err != nil {
log.Fatalln("Failed to load authentification backend:", err)
}
defer authBackend.Close()
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// WebRTC session description channels
remoteSdpChan := make(chan webrtc.SessionDescription)
localSdpChan := make(chan webrtc.SessionDescription)
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// Start stream, web and monitoring server
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go srt.Serve(&cfg.Srt)
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go stream.Serve(remoteSdpChan, localSdpChan)
go web.Serve(remoteSdpChan, localSdpChan, &cfg.Web)
go monitoring.Serve(&cfg.Monitoring)
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// Wait for routines
select {}
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}