aa

business/jxstore/event/event_tcp.go

@@ -192,6 +192,7 @@ func handleConn(c net.Conn) {
 			printNoData, _ := hex.DecodeString(data[len(heartText) : len(data)-8])
 			printNo = string(printNoData)
 			globals.SugarLogger.Debugf("handleConn printno :[%v]", printNo)
+			status := printStatus2JxStatus(data[len(data)-8 : len(data)-6])
 			tcpClient.s.Lock()
 			if tcpClient.Clients[printNo] == nil {
 				printInfo := &PrintInfo{
@@ -200,12 +201,14 @@ func handleConn(c net.Conn) {
 					StatusTime: time.Now(),
 				}
 				tcpClient.Clients[printNo] = printInfo
-				printFail()
+				changePrinterStatus(printNo, status)
+				if status > 0 {
+					printFail()
+				}
 			} else {
 				//改变打印机状态
-				//changePrinterStatus(printNo, printerStatusOnline)
+				changePrinterStatus(printNo, status)
 				if tcpClient.Clients[printNo] != nil {
-					status := printStatus2JxStatus(data[len(data)-8 : len(data)-6])
 					if tcpClient.Clients[printNo].Status != status {
 						tcpClient.Clients[printNo].Status = status
 					}
@@ -220,6 +223,32 @@ func handleConn(c net.Conn) {
 	}
 }
 
+func changePrinterStatus(printNo string, status int) {
+	var (
+		db = dao.GetDB()
+	)
+	if printer, err := dao.GetPrinter(db, printNo); err == nil && printer != nil {
+		feilds := []string{}
+		if printer.Status != status {
+			printer.Status = status
+			feilds = append(feilds, "Status")
+		}
+		isOnline := 0
+		if status == printerStatusOnline || status == printerStatusOnlineWithoutPaper {
+			isOnline = model.YES
+		} else {
+			isOnline = model.NO
+		}
+		if isOnline != printer.IsOnline {
+			printer.IsOnline = isOnline
+			feilds = append(feilds, "IsOnline")
+		}
+		if len(feilds) > 0 {
+			dao.UpdateEntity(db, printer, feilds...)
+		}
+	}
+}
+
 func printFail() (err error) {
 	//新开机的打印失败和错误的
 	var (
@@ -241,7 +270,7 @@ func printFail() (err error) {
 					}
 				}
 				tcpClient.s.RUnlock()
-				if c != nil {
+				if c != nil && tcpClient.Clients[printMsg.PrintNo].Status == printerStatusOnline {
 					if _, err = c.Write(data); err != nil {
 						globals.SugarLogger.Debugf("handleTcpMessages err [%v]", err)
 						delete(tcpClient.Clients, printMsg.PrintNo)
@@ -324,15 +353,18 @@ func HandleTcpMessages() {
 				if err = checkPrintMsg(printMsg); err == nil {
 					tcpClient.s.RLock()
 					if tcpClient.Clients[printMsg.PrintNo] != nil {
-						if tcpClient.Clients[printMsg.PrintNo].C != nil {
+						if tcpClient.Clients[printMsg.PrintNo].Status == printerStatusOnline {
-							c = tcpClient.Clients[printMsg.PrintNo].C
+							if tcpClient.Clients[printMsg.PrintNo].C != nil {
-							data, err = buildMsg(printMsg)
+								c = tcpClient.Clients[printMsg.PrintNo].C
+								data, err = buildMsg(printMsg)
+							}
+						} else if tcpClient.Clients[printMsg.PrintNo].Status == printerStatusOffline {
+							err = fmt.Errorf("打印机离线！")
+						} else if tcpClient.Clients[printMsg.PrintNo].Status == printerStatusOnlineWithoutPaper {
+							err = fmt.Errorf("打印机缺纸！")
 						}
 					}
 					tcpClient.s.RUnlock()
-					//else {
-					//	changePrinterStatus(printMsg.PrintNo, printerStatusOffline)
-					//}
 				}
 			} else {
 				err = fmt.Errorf("未查询到此printMsg")
@@ -374,6 +406,7 @@ func HandleCheckTcpHeart() {
 		}
 		tcpClient.s.Unlock()
 		for _, v := range keys {
+			changePrinterStatus(v, printerStatusOffline)
 			delete(tcpClient.Clients, v)
 		}
 	}