心跳检测

business/jxstore/event/event_tcp.go

@@ -3,6 +3,7 @@ package event
 import (
 	"encoding/hex"
 	"fmt"
+	"git.rosy.net.cn/jx-callback/business/jxutils"
 	"git.rosy.net.cn/jx-callback/business/model"
 	"git.rosy.net.cn/jx-callback/business/model/dao"
 	"git.rosy.net.cn/jx-callback/globals"
@@ -25,6 +26,9 @@ const (
 	printMsgWait    = 0  //待打印
 	printMsgFail    = -1 //打印失败（打印机报出）
 	printMsgErr     = -2 //京西报出
+
+	heartErrWithoutPaper = "04" //心跳错，缺纸
+	heartErrHot          = "08" //过热
 )
 
 var (
@@ -95,6 +99,7 @@ func handleConn(c net.Conn) {
 				tcpClient.Clients[printNo] = c
 			} else {
 				//改变打印机状态
+
 			}
 		} else if strings.Contains(data, printText) {
 			changePrintMsg(db, data)
@@ -165,7 +170,10 @@ func handleTcpMessages() {
 				printMsg.Comment = err.Error()
 				dao.UpdateEntity(db, printMsg, "Status", "Comment")
 			} else {
-				c.Write(data)
+				if _, err = c.Write(data); err != nil {
+					globals.SugarLogger.Debugf("handleTcpMessages err [%v]", err)
+					c.Close()
+				}
 			}
 		}
 	}
@@ -173,21 +181,22 @@ func handleTcpMessages() {
 
 func buildMsg(printMsg *model.PrintMsg) (data []byte, err error) {
 	var (
-	//content   = printMsg.Content
-	//orderNo   = printMsg.OrderNo
-	//str       = "1e"
-	//const1    = "0200ff50"
-	//printInit = "1b40"       //打印机初始化
-	//voice     = "1b59415501" //语音响一次
-	//check     = "ff"
+		content                  = printMsg.Content
+		orderNo                  = printMsg.OrderNo
+		str                      = "1e"
+		const1                   = "0200ff50"
+		printInit                = "1b40"       //打印机初始化
+		voice                    = "1b59415501" //语音响一次
+		check                    = "ff"
+		orderNoHexH, orderNoHexL string
 	)
 	//写入数据
-	//printData := hex.EncodeToString([]byte(s))
-	//lenData := int64(len(str) + len(const1) + len(orderNo) + len(printInit) + len(voice) + 1 + 2 + len(printData))
-	//x1, x2 := int2h8l8(lenData / 2)
-	//data = str + x1 + x2 + const1 + orderNo + printInit + voice + printData + check
-
-	return data, err
+	orderNoHexH, orderNoHexL = int2h8l8(int64(orderNo))
+	printData := hex.EncodeToString([]byte(content))
+	lenData := int64(len(str) + len(const1) + len(orderNoHexH) + len(orderNoHexL) + len(printInit) + len(voice) + 1 + 2 + len(printData))
+	x1, x2 := int2h8l8(lenData / 2)
+	dataStr := str + x1 + x2 + const1 + orderNoHexH + orderNoHexL + printInit + voice + printData + check
+	return jxutils.Hextob(dataStr), err
 }
 
 func checkPrintMsg(printMsg *model.PrintMsg) (err error) {
@@ -203,22 +212,6 @@ func checkPrintMsg(printMsg *model.PrintMsg) (err error) {
 	return err
 }
 
-func Hextob(str string) []byte {
-	slen := len(str)
-	bHex := make([]byte, len(str)/2)
-	ii := 0
-	for i := 0; i < len(str); i = i + 2 {
-		if slen != 1 {
-			ss := string(str[i]) + string(str[i+1])
-			bt, _ := strconv.ParseInt(ss, 16, 32)
-			bHex[ii] = byte(bt)
-			ii = ii + 1
-			slen = slen - 2
-		}
-	}
-	return bHex
-}
-
 func int2h8l8(i int64) (h, l string) {
 	origin2 := fmt.Sprintf("%b", i)
 	flag := 16 - len(origin2)