1

business/jxstore/event/event_tcp.go

@@ -47,6 +47,7 @@ func ListenTcp() {
 			}()
 
 			if err := handleConn(c); err != nil {
+				globals.SugarLogger.Debugf("=========err := %v", err)
 				Poll.Wait()
 				Poll.Stop()
 				return
@@ -69,9 +70,11 @@ func handleConn(c net.Conn) error {
 			} else {
 				fmt.Println("ReadString err:", err)
 			}
-			delete(PrintIpAndAddr, PrintAddrAndIp[printRemoteAddr])
-			delete(PrintObject, PrintAddrAndIp[printRemoteAddr])
-			delete(PrintAddrAndIp, printRemoteAddr)
+			if printNo, ok := PrintAddrAndIp[printRemoteAddr]; ok {
+				delete(PrintIpAndAddr, printNo)
+				delete(PrintObject, printNo)
+				delete(PrintAddrAndIp, printRemoteAddr)
+			}
 			return err
 		}
 
@@ -252,10 +255,11 @@ func doPrint(t *TcpClient, key string) (err error) {
 					}
 
 					if c == nil {
-						printRemoteAddrIP := PrintIpAndAddr[key]
-						delete(PrintIpAndAddr, PrintAddrAndIp[key])
-						delete(PrintAddrAndIp, printRemoteAddrIP)
-						delete(PrintObject, key)
+						if printRemoteAddrIP, have := PrintIpAndAddr[key]; have {
+							delete(PrintIpAndAddr, PrintAddrAndIp[key])
+							delete(PrintAddrAndIp, printRemoteAddrIP)
+							delete(PrintObject, key)
+						}
 						return
 					}
 
@@ -264,19 +268,22 @@ func doPrint(t *TcpClient, key string) (err error) {
 						printMsg.Comment = err.Error()
 						dao.UpdateEntity(db, printMsg, "Status", "Comment")
 
-						printRemoteAddrIP := PrintIpAndAddr[key]
-						delete(PrintIpAndAddr, PrintAddrAndIp[key])
-						delete(PrintAddrAndIp, printRemoteAddrIP)
-						delete(PrintObject, key)
+						if printRemoteAddrIP, have := PrintIpAndAddr[key]; have {
+							delete(PrintIpAndAddr, PrintAddrAndIp[key])
+							delete(PrintAddrAndIp, printRemoteAddrIP)
+							delete(PrintObject, key)
+						}
 						return
 					}
 
 					if _, err = c.Write(data); err != nil {
 						globals.SugarLogger.Debugf("handleTcpMessages err [%v]", err)
-						printRemoteAddrIP := PrintIpAndAddr[key]
-						delete(PrintIpAndAddr, PrintAddrAndIp[key])
-						delete(PrintAddrAndIp, printRemoteAddrIP)
-						delete(PrintObject, key)
+						if printRemoteAddrIP, have := PrintIpAndAddr[key]; have {
+							delete(PrintIpAndAddr, PrintAddrAndIp[key])
+							delete(PrintAddrAndIp, printRemoteAddrIP)
+							delete(PrintObject, key)
+						}
+
 					} else {
 						//等待回调
 						dataStr := <-t.CallBackMap[key]
@@ -434,10 +441,12 @@ func HandleCheckTcpHeart(t *TcpClient, key string) {
 				changePrinterStatus(key, printerStatusOffline)
 
 				// 链接出错,彻底删除换成
-				printRemoteAddrIP := PrintIpAndAddr[key]
-				delete(PrintIpAndAddr, PrintAddrAndIp[key])
-				delete(PrintAddrAndIp, printRemoteAddrIP)
-				delete(PrintObject, key)
+				if printRemoteAddrIP, have := PrintIpAndAddr[key]; have {
+					delete(PrintIpAndAddr, PrintAddrAndIp[key])
+					delete(PrintAddrAndIp, printRemoteAddrIP)
+					delete(PrintObject, key)
+				}
+
 			}
 		}
 	} else {
@@ -447,10 +456,12 @@ func HandleCheckTcpHeart(t *TcpClient, key string) {
 		t.delConn(key)
 
 		// 链接出错,彻底删除换成
-		printRemoteAddrIP := PrintIpAndAddr[key]
-		delete(PrintIpAndAddr, PrintAddrAndIp[key])
-		delete(PrintAddrAndIp, printRemoteAddrIP)
-		delete(PrintObject, key)
+		if printRemoteAddrIP, have := PrintIpAndAddr[key]; have {
+			delete(PrintIpAndAddr, PrintAddrAndIp[key])
+			delete(PrintAddrAndIp, printRemoteAddrIP)
+			delete(PrintObject, key)
+		}
+
 		return
 	}
 }