bot: prevent bot from reconnecting

aria/bot.go

@@ -73,6 +73,8 @@ func newBot(
 	if err != nil {
 		return nil, fmt.Errorf("failed to initialize discord bot: %w", err)
 	}
+	// disable auto reconnect to control retry interval by own
+	s.ShouldReconnectOnError = false
 	b.Session = s
 	b.AddHandler(b.onMessage)
 	b.AddHandler(b.onReady)

aria/launcher.go

@@ -80,6 +80,12 @@ func (l *launcher) launch(parent context.Context) {
 
 func (l *launcher) launchBot(ctx context.Context, errChan chan<- error) {
 	var start time.Time
+	b, err := newBot(l.config, l.cliToBot, l.botToCli, l.stream)
+	if err != nil {
+		errChan <- fmt.Errorf("failed to initialize bot: %w", err)
+		return
+	}
+
 	for {
 		if time.Now().Sub(start) < 5*time.Minute {
 			log.Printf("bot cooldown: 1min...")
@@ -91,12 +97,6 @@ func (l *launcher) launchBot(ctx context.Context, errChan chan<- error) {
 			}
 		}
 
-		b, err := newBot(l.config, l.cliToBot, l.botToCli, l.stream)
-		if err != nil {
-			errChan <- fmt.Errorf("failed to initialize bot: %w", err)
-			return
-		}
-
 		select {
 		case <-ctx.Done():
 			log.Printf("stopped: bot")

go.mod

@@ -3,7 +3,7 @@ module github.com/aria-music/aria-discord-go
 go 1.14
 
 require (
-	github.com/bwmarrin/discordgo v0.20.3
+	github.com/bwmarrin/discordgo v0.20.2
 	github.com/gorilla/websocket v1.4.2 // indirect
 	github.com/klauspost/compress v1.10.4 // indirect
 	golang.org/x/crypto v0.0.0-20200420201142-3c4aac89819a // indirect

go.sum

@@ -1,3 +1,5 @@
+github.com/bwmarrin/discordgo v0.20.2 h1:nA7jiTtqUA9lT93WL2jPjUp8ZTEInRujBdx1C9gkr20=
+github.com/bwmarrin/discordgo v0.20.2/go.mod h1:O9S4p+ofTFwB02em7jkpkV8M3R0/PUVOwN61zSZ0r4Q=
 github.com/bwmarrin/discordgo v0.20.3 h1:AxjcHGbyBFSC0a3Zx5nDQwbOjU7xai5dXjRnZ0YB7nU=
 github.com/bwmarrin/discordgo v0.20.3/go.mod h1:O9S4p+ofTFwB02em7jkpkV8M3R0/PUVOwN61zSZ0r4Q=
 github.com/gobwas/httphead v0.0.0-20180130184737-2c6c146eadee/go.mod h1:L0fX3K22YWvt/FAX9NnzrNzcI4wNYi9Yku4O0LKYflo=