當前位置: 首頁>>代碼示例>>Golang>>正文


Golang Conn.IsClosed方法代碼示例

本文整理匯總了Golang中frp/utils/conn.Conn.IsClosed方法的典型用法代碼示例。如果您正苦於以下問題:Golang Conn.IsClosed方法的具體用法?Golang Conn.IsClosed怎麽用?Golang Conn.IsClosed使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在frp/utils/conn.Conn的用法示例。


在下文中一共展示了Conn.IsClosed方法的3個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Golang代碼示例。

示例1: msgReader

// loop for reading messages from frpc after control connection is established
func msgReader(cli *client.ProxyClient, c *conn.Conn, msgSendChan chan interface{}) error {
	// for heartbeat
	var heartbeatTimeout bool = false
	timer := time.AfterFunc(time.Duration(client.HeartBeatTimeout)*time.Second, func() {
		heartbeatTimeout = true
		c.Close()
		log.Error("ProxyName [%s], heartbeatRes from frps timeout", cli.Name)
	})
	defer timer.Stop()

	for {
		buf, err := c.ReadLine()
		if err == io.EOF || c == nil || c.IsClosed() {
			c.Close()
			log.Warn("ProxyName [%s], frps close this control conn!", cli.Name)
			var delayTime time.Duration = 1

			// loop until reconnect to frps
			for {
				log.Info("ProxyName [%s], try to reconnect to frps [%s:%d]...", cli.Name, client.ServerAddr, client.ServerPort)
				c, err = loginToServer(cli)
				if err == nil {
					close(msgSendChan)
					msgSendChan = make(chan interface{}, 1024)
					go heartbeatSender(c, msgSendChan)
					go msgSender(cli, c, msgSendChan)
					break
				}

				if delayTime < 60 {
					delayTime = delayTime * 2
				}
				time.Sleep(delayTime * time.Second)
			}
			continue
		} else if err != nil {
			log.Warn("ProxyName [%s], read from frps error: %v", cli.Name, err)
			continue
		}

		ctlRes := &msg.ControlRes{}
		if err := json.Unmarshal([]byte(buf), &ctlRes); err != nil {
			log.Warn("ProxyName [%s], parse msg from frps error: %v : %s", cli.Name, err, buf)
			continue
		}

		switch ctlRes.Type {
		case consts.HeartbeatRes:
			log.Debug("ProxyName [%s], receive heartbeat response", cli.Name)
			timer.Reset(time.Duration(client.HeartBeatTimeout) * time.Second)
		case consts.NoticeUserConn:
			log.Debug("ProxyName [%s], new user connection", cli.Name)
			// join local and remote connections, async
			go cli.StartTunnel(client.ServerAddr, client.ServerPort)
		default:
			log.Warn("ProxyName [%s}, unsupport msgType [%d]", cli.Name, ctlRes.Type)
		}
	}
	return nil
}
開發者ID:Hurricanezwf,項目名稱:frp,代碼行數:61,代碼來源:control.go

示例2: heartbeatSender

func heartbeatSender(c *conn.Conn, msgSendChan chan interface{}) {
	heartbeatReq := &msg.ControlReq{
		Type: consts.HeartbeatReq,
	}
	log.Info("Start to send heartbeat to frps")
	for {
		time.Sleep(time.Duration(client.HeartBeatInterval) * time.Second)
		if c != nil && !c.IsClosed() {
			log.Debug("Send heartbeat to server")
			msgSendChan <- heartbeatReq
		} else {
			break
		}
	}
	log.Debug("Heartbeat goroutine exit")
}
開發者ID:Hurricanezwf,項目名稱:frp,代碼行數:16,代碼來源:control.go

示例3: msgReader

// loop for reading messages from frpc after control connection is established
func msgReader(s *server.ProxyServer, c *conn.Conn, msgSendChan chan interface{}) error {
	// for heartbeat
	var heartbeatTimeout bool = false
	timer := time.AfterFunc(time.Duration(server.HeartBeatTimeout)*time.Second, func() {
		heartbeatTimeout = true
		s.Close()
		log.Error("ProxyName [%s], client heartbeat timeout", s.Name)
	})
	defer timer.Stop()

	for {
		buf, err := c.ReadLine()
		if err != nil {
			if err == io.EOF {
				log.Warn("ProxyName [%s], client is dead!", s.Name)
				return err
			} else if c == nil || c.IsClosed() {
				log.Warn("ProxyName [%s], client connection is closed", s.Name)
				return err
			}
			log.Warn("ProxyName [%s], read error: %v", s.Name, err)
			continue
		}

		cliReq := &msg.ControlReq{}
		if err := json.Unmarshal([]byte(buf), &cliReq); err != nil {
			log.Warn("ProxyName [%s], parse msg from frpc error: %v : %s", s.Name, err, buf)
			continue
		}

		switch cliReq.Type {
		case consts.HeartbeatReq:
			log.Debug("ProxyName [%s], get heartbeat", s.Name)
			timer.Reset(time.Duration(server.HeartBeatTimeout) * time.Second)
			heartbeatRes := &msg.ControlRes{
				Type: consts.HeartbeatRes,
			}
			msgSendChan <- heartbeatRes
		default:
			log.Warn("ProxyName [%s}, unsupport msgType [%d]", s.Name, cliReq.Type)
		}
	}
	return nil
}
開發者ID:,項目名稱:,代碼行數:45,代碼來源:


注:本文中的frp/utils/conn.Conn.IsClosed方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。