aa

business/jxstore/event/event_tcp.go

@@ -25,9 +25,9 @@ func ListenTcp() {
 		return
 	}
 	globals.SugarLogger.Debugf("begin listenTcp port 8000......")
-	go HandleTcpMessages()
+	go t.HandleTcpMessages()
 	go t.HandleCheckTcpHeart()
-	go t.doPrint2(printMsgChan)
+	//go t.doPrint2()
 	//go t.doPrint(printMsgChanFail)
 	for {
 		c, err := l.Accept()
@@ -95,9 +95,11 @@ func (t *TcpClient) handleConn(c net.Conn) {
 			//t.Unlock()
 			t.addConn(c, printNo, status)
 			t.buildCallBackMap(printNo)
+			t.buildMsgMap(printNo)
+			go t.doPrint2(printNo)
 			changePrinterStatus(printNo, status)
 			if status == printerStatusOnline {
-				printFail()
+				t.printFail()
 			}
 			//} else {
 			//改变打印机状态
@@ -118,9 +120,7 @@ func (t *TcpClient) handleConn(c net.Conn) {
 		} else if strings.Contains(data, printText) {
 			globals.SugarLogger.Debugf("handleConn print callback: %v", data)
 			_, printNo = getCallbackMsgInfo(data)
-			t.RLock()
-			t.CallBackMap[printNo] <- data
-			t.RUnlock()
+			t.addCallbackChan(printNo, data)
 			//printMsgCallbackChan <- printMsgCallbackMap
 			//changePrintMsg(data)
 		}
@@ -153,14 +153,14 @@ func changePrinterStatus(printNo string, status int) {
 	}
 }
 
-func printFail() (err error) {
+func (t *TcpClient) printFail() (err error) {
 	//新开机的打印失败和错误的
 	var (
 		db = dao.GetDB()
 	)
 	prints, _ := dao.GetPrintMsgs(db, []int{printMsgFail, printMsgErr, printMsgAlreadyLoad, printMsgAlreadySend}, time.Now().Add(-time.Hour*3), time.Now(), 0, 999)
 	for _, printMsg := range prints {
-		printMsgChan <- printMsg
+		t.addMsgChan(printMsg)
 	}
 	return err
 }
@@ -217,7 +217,7 @@ func (t *TcpClient) changePrintMsg(data string, orderNo int64, printNo string) (
 	return err
 }
 
-func HandleTcpMessages() {
+func (t *TcpClient) HandleTcpMessages() {
 	var (
 		db               = dao.GetDB()
 		offset, pageSize = 0, 1
@@ -226,20 +226,20 @@ func HandleTcpMessages() {
 		//一直读？
 		prints, _ := dao.GetPrintMsgs(db, []int{printMsgWait}, time.Now().Add(-time.Hour*3), time.Now(), offset, pageSize)
 		for _, printMsg := range prints {
-			printMsgChan <- printMsg
+			t.addMsgChan(printMsg)
 			printMsg.Status = printMsgAlreadyLoad
 			dao.UpdateEntity(db, printMsg, "Status")
 		}
 	}
 }
 
-func (t *TcpClient) doPrint2(printMsgChan chan *model.PrintMsg) (err error) {
+func (t *TcpClient) doPrint2(key string) (err error) {
 	var (
 		db = dao.GetDB()
 	)
 	for {
 		select {
-		case printMsg := <-printMsgChan:
+		case printMsg := <-t.MsgMap[key]:
 			var (
 				data []byte
 				c    net.Conn

business/jxstore/event/event_tcp_utils.go

@@ -99,10 +99,10 @@ var (
 	regexpQrr   = regexp.MustCompile(byteSignQrRight + "(.*?)" + byteSignQrRightE)
 	regexpSound = regexp.MustCompile(byteSignSound + "(.*?)" + byteSignSoundE)
 
-	printMsgChan = make(chan *model.PrintMsg, 1024)
+	//printMsgChan = make(chan *model.PrintMsg, 1024)
 	//printMsgCallbackMap = make(map[string]chan string, 1024)
-	printMsgChanFail = make(chan *model.PrintMsg, 1024)
-	timeoutChan      = make(chan int, 10)
+	//printMsgChanFail = make(chan *model.PrintMsg, 1024)
+	timeoutChan = make(chan int, 10)
 )
 
 type PrintInfo struct {
@@ -113,8 +113,9 @@ type PrintInfo struct {
 
 //连接的客户端,吧每个客户端都放进来
 type TcpClient struct {
-	Clients     map[string]*PrintInfo  //放tcp连接的，printNo 为key
-	CallBackMap map[string]chan string //放打印信息回调信息的，printNo为key
+	Clients     map[string]*PrintInfo           //放tcp连接的，printNo 为key
+	MsgMap      map[string]chan *model.PrintMsg //放打印信息的，printNo为key
+	CallBackMap map[string]chan string          //放打印信息回调信息的，printNo为key
 	*sync.RWMutex
 }
 
@@ -123,20 +124,20 @@ type GetPrintStatus struct {
 	AppID   int
 }
 
+//从连接池删除，并关闭连接
 func (t *TcpClient) delConn(key string) {
 	t.Lock()
 	defer t.Unlock()
-
 	if t.Clients[key].C != nil {
 		t.Clients[key].C.Close()
 	}
 	delete(t.Clients, key)
 }
 
+//添加到连接池中
 func (t *TcpClient) addConn(c net.Conn, key string, status int) {
 	t.Lock()
 	defer t.Unlock()
-
 	t.Clients[key] = &PrintInfo{
 		C:          c,
 		Status:     status,
@@ -144,6 +145,13 @@ func (t *TcpClient) addConn(c net.Conn, key string, status int) {
 	}
 }
 
+func (t *TcpClient) buildMsgMap(key string) {
+	t.Lock()
+	defer t.Unlock()
+	dataChan := make(chan *model.PrintMsg, 1024)
+	t.MsgMap[key] = dataChan
+}
+
 func (t *TcpClient) buildCallBackMap(key string) {
 	t.Lock()
 	defer t.Unlock()
@@ -171,10 +179,29 @@ func (t *TcpClient) getPrintConn(key string) net.Conn {
 	}
 }
 
+func (t *TcpClient) isExistMsg(key string) bool {
+	t.RLock()
+	defer t.RUnlock()
+	if t.MsgMap[key] == nil {
+		return false
+	} else {
+		return true
+	}
+}
+
+func (t *TcpClient) isExistCallback(key string) bool {
+	t.RLock()
+	defer t.RUnlock()
+	if t.CallBackMap[key] == nil {
+		return false
+	} else {
+		return true
+	}
+}
+
 func (t *TcpClient) isExist(key string) bool {
 	t.RLock()
 	defer t.RUnlock()
-
 	if t.Clients[key] == nil {
 		return false
 	} else {
@@ -185,17 +212,35 @@ func (t *TcpClient) isExist(key string) bool {
 func (t *TcpClient) setPrintStatus(key string, status int) {
 	t.Lock()
 	defer t.Unlock()
-
 	if t.isExist(key) {
 		t.Clients[key].Status = status
 		t.Clients[key].StatusTime = time.Now()
 	}
 }
 
+func (t *TcpClient) addMsgChan(printMsg *model.PrintMsg) {
+	t.RUnlock()
+	defer t.RUnlock()
+	if !t.isExistMsg(printMsg.PrintNo) {
+		t.buildMsgMap(printMsg.PrintNo)
+	}
+	t.MsgMap[printMsg.PrintNo] <- printMsg
+}
+
+func (t *TcpClient) addCallbackChan(key, data string) {
+	t.RUnlock()
+	defer t.RUnlock()
+	if !t.isExistCallback(key) {
+		t.buildCallBackMap(key)
+	}
+	t.CallBackMap[key] <- data
+}
+
 func NewTcpClient() *TcpClient {
 	t := &TcpClient{
 		Clients:     make(map[string]*PrintInfo),
 		CallBackMap: make(map[string]chan string),
+		MsgMap:      make(map[string]chan *model.PrintMsg),
 	}
 	t.RWMutex = new(sync.RWMutex)
 	return t