diff --git a/workers.go b/workers.go index fb2aa29..946b05e 100644 --- a/workers.go +++ b/workers.go @@ -94,6 +94,124 @@ func MQGetMsgWorker(id int, msgs chan<- ChatWarsMessage) { } +func MQKeepAliveWorker() { + //log.Printf("MQKeepAliveWorker : Starting.") + var err error + c := MQClient{ + User: cfg.Rabbit.User, + Password: cfg.Rabbit.Password, + Host: cfg.Rabbit.Host, + Path: cfg.Rabbit.Path, + SSL: false, + } + + for true { + c.Connection, err = amqp.Dial("amqp://" + c.User + ":" + c.Password + "@" + c.Host + "/" + c.Path) + logOnError(err, "MQGetMsgWorker["+strconv.Itoa(id)+"] : Cannot open MQ connection") + if err != nil { + c.Connection.Close() + time.Sleep(15 * time.Second) + continue + } + + c.Channel, err = c.Connection.Channel() + logOnError(err, "MQGetMsgWorker["+strconv.Itoa(id)+"] : Cannot open MQ channel") + if err != nil { + c.Channel.Close() + c.Connection.Close() + time.Sleep(15 * time.Second) + continue + } + + c.Queue, err = c.Channel.QueueDeclare( + "keepalive", // name + false, // durable + false, // delete when unused + false, // exclusive + false, // no-wait + nil, // arguments + ) + logOnError(err, "MQGetMsgWorker["+strconv.Itoa(id)+"] : Failed to declare a queue") + if err != nil { + c.Channel.Close() + c.Connection.Close() + time.Sleep(15 * time.Second) + continue + } + + m, err := c.Channel.Consume( + c.Queue.Name, // queue + "", // consumer + true, // auto-ack + false, // exclusive + false, // no-local + false, // no-wait + nil, // args + ) + logOnError(err, "MQGetMsgWorker["+strconv.Itoa(id)+"] : Failed to register a consumer") + if err != nil { + c.Channel.Close() + c.Connection.Close() + time.Sleep(15 * time.Second) + continue + } + + for d := range m { + // log.Printf("MQKeepAliveWorker : Received a message: %s", string(d.Body)) + x := MQKeepAlive{} + err = json.Unmarshal(d.Body, &x) + logOnError(err, "MQKeepAliveWorker : Can't unmarshal.\n"+string(d.Body)) + if err == nil { + if x.Date.Add(10 * time.Second).Before(time.Now()) { + // outdated keep-alive coming from client + } else if v, ok := clientsKeepAlive.Load(x.UserID64); ok { + k := v.(*MQKeepAlive) + k.Date = x.Date + } else { + clt := MQClient{} + clt.Connection, err = amqp.Dial("amqp://" + cfg.Rabbit.User + ":" + cfg.Rabbit.Password + "@" + cfg.Rabbit.Host + "/" + x.Queue) + logOnError(err, "MQKeepAliveWorker : Failed to connect to RabbitMQ") + clt.Channel, err = clt.Connection.Channel() + logOnError(err, "MQKeepAliveWorker : Failed to open a channel") + clt.Queue, err = clt.Channel.QueueDeclare( + "msg", // name + false, // durable + false, // delete when unused + false, // exclusive + false, // no-wait + nil, // arguments + ) + logOnError(err, "MQKeepAliveWorker : Failed to declare a queue") + clientsKeepAlive.Store(x.UserID64, &x) + clientsQueue[x.UserID64] = &clt + + c := TGCommand{ + Type: commandSendMsg, + ToUserID64: x.UserID64, + Text: "Your client is connected.", + } + TGCmdQueue <- c + c = TGCommand{ + Type: commandSendMsg, + ToUserID64: cfg.Bot.Admin, + Text: fmt.Sprintf("Client `%s` is connected.", x.Nickname), + } + TGCmdQueue <- c + + clientSendCWMsg(x.UserID64, `🏅Me`) + clientSendCWMsg(x.UserID64, `/hero`) + } + + } + } + c.Channel.Close() + c.Connection.Close() + } + + log.Printf("MQKeepAliveWorker : Closing.") + +} + func SQLCWMsgWorker(id int, msgs <-chan ChatWarsMessage, objIds chan<- int64) { //log.Printf("SQLCWMsgWorker[" + strconv.Itoa(id) + "] : Starting.") for m := range msgs { @@ -381,119 +499,6 @@ func MQTGCmdWorker(id int, cmds <-chan TGCommand) { } -func MQKeepAliveWorker() { - //log.Printf("MQKeepAliveWorker : Starting.") - for true { - conn, err := amqp.Dial("amqp://" + cfg.Rabbit.User + ":" + cfg.Rabbit.Password + "@" + cfg.Rabbit.Host + "/" + cfg.Rabbit.Path) - logOnError(err, "MQKeepAliveWorker : Failed to connect to RabbitMQ") - if err != nil { - conn.Close() - time.Sleep(15 * time.Second) - } else { - ch, err := conn.Channel() - logOnError(err, "MQKeepAliveWorker : Failed to open a channel") - if err != nil { - ch.Close() - conn.Close() - time.Sleep(15 * time.Second) - } else { - q, err := ch.QueueDeclare( - "keepalive", // name - false, // durable - false, // delete when unused - false, // exclusive - false, // no-wait - nil, // arguments - ) - logOnError(err, "MQKeepAliveWorker : Failed to declare a queue") - if err != nil { - ch.Close() - conn.Close() - time.Sleep(15 * time.Second) - } else { - m, err := ch.Consume( - q.Name, // queue - "", // consumer - true, // auto-ack - false, // exclusive - false, // no-local - false, // no-wait - nil, // args - ) - logOnError(err, "MQKeepAliveWorker : Failed to register a consumer") - if err != nil { - ch.Close() - conn.Close() - time.Sleep(15 * time.Second) - } else { - for d := range m { - // log.Printf("MQKeepAliveWorker : Received a message: %s", string(d.Body)) - x := MQKeepAlive{} - err = json.Unmarshal(d.Body, &x) - logOnError(err, "MQKeepAliveWorker : Can't unmarshal.\n"+string(d.Body)) - if err == nil { - if x.Date.Add(10 * time.Second).Before(time.Now()) { - // outdated keep-alive coming from client - } else if v, ok := clientsKeepAlive.Load(x.UserID64); ok { - k := v.(*MQKeepAlive) - k.Date = x.Date - } else { - clt := MQClient{} - clt.Connection, err = amqp.Dial("amqp://" + cfg.Rabbit.User + ":" + cfg.Rabbit.Password + "@" + cfg.Rabbit.Host + "/" + x.Queue) - logOnError(err, "MQKeepAliveWorker : Failed to connect to RabbitMQ") - clt.Channel, err = clt.Connection.Channel() - logOnError(err, "MQKeepAliveWorker : Failed to open a channel") - clt.Queue, err = clt.Channel.QueueDeclare( - "msg", // name - false, // durable - false, // delete when unused - false, // exclusive - false, // no-wait - nil, // arguments - ) - logOnError(err, "MQKeepAliveWorker : Failed to declare a queue") - clientsKeepAlive.Store(x.UserID64, &x) - clientsQueue[x.UserID64] = &clt - - c := TGCommand{ - Type: commandSendMsg, - ToUserID64: x.UserID64, - Text: "Your client is connected.", - } - TGCmdQueue <- c - c = TGCommand{ - Type: commandSendMsg, - ToUserID64: cfg.Bot.Admin, - Text: fmt.Sprintf("Client `%s` is connected.", x.Nickname), - } - TGCmdQueue <- c - - clientSendCWMsg(x.UserID64, `🏅Me`) - /* - c = TGCommand{ - Type: commandSendMsg, - FromUserID64: x.UserID64, - ToChatID64: userID64ChtWrsBot, - Text: `/hero`, - } - MQTGCmdQueue <- c - */ - } - } - } - ch.Close() - conn.Close() - } - } - - } - } - } - - log.Printf("MQKeepAliveWorker : Closing.") - -} - func MQTidyKeepAliveWorker() { //log.Printf("MQTidyKeepAliveWorker : Starting.") for true {