async all write buffer flushes

irc/socket.go

@@ -78,14 +78,16 @@ func (socket *Socket) Write(line string) (err error) {
 		return
 	}
 
-	if err = socket.writer.Flush(); socket.isError(err, W) {
-		return
-	}
+	go socket.flush()
 
 	Log.debug.Printf("%s ← %s", socket, line)
 	return
 }
 
+func (socket *Socket) flush() {
+	socket.isError(socket.writer.Flush(), W)
+}
+
 func (socket *Socket) isError(err error, dir rune) bool {
 	if err != nil {
 		if err != io.EOF {