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@@ -42,8 +42,7 @@ func (t *TcpClient) handleConn(c net.Conn) {
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for {
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var (
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printNo string //打印机编号
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//printStatus *GetPrintStatus
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buffer = make([]byte, 1024)
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buffer = make([]byte, 1024)
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)
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n, err := c.Read(buffer)
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if err != nil {
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@@ -54,15 +53,7 @@ func (t *TcpClient) handleConn(c net.Conn) {
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}
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return
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}
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//也可能是查状态的(openAPI外部查询,一次性的)
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//if err = json.Unmarshal(buffer[:n], &printStatus); err == nil {
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// fmt.Println("handleConn msg: ", string(buffer[:n]))
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// if printStatus != nil {
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// status := t.getPrintStatus(printStatus.PrintNo)
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// c.Write([]byte(utils.Int2Str(status)))
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// c.Close()
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// }
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//}
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//看是心跳还是打印回调
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data := hex.EncodeToString(buffer[:n])
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//证明是心跳
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@@ -70,6 +61,7 @@ func (t *TcpClient) handleConn(c net.Conn) {
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printNoData, _ := hex.DecodeString(data[len(heartText) : len(data)-8])
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printNo = string(printNoData)
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status := printStatus2JxStatus(data[len(data)-8 : len(data)-6])
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globals.SugarLogger.Debugf("输出打印机编号printNo:[%s],和状态printStatus[%d],打印时间time:[%v]", printNo, status, time.Now())
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//如果没在连接池里
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//1、加到连接池中,不同的打印机no开不同的goroutine
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//2、初始化channel,每个打印机一个,放打印消息和打印回调消息
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@@ -97,7 +89,9 @@ func (t *TcpClient) handleConn(c net.Conn) {
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t.setPrintStatusTime(printNo)
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}
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//状态不一致再更新状态(可能缺纸了,过热了等)
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globals.SugarLogger.Debugf("比较缓存状态和真实状态缓存状态[%d],真实状态[%d]", t.getPrintStatus(printNo), status)
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if t.getPrintStatus(printNo) != status {
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globals.SugarLogger.Debugf("更新打印机状态到数据库和缓存[%s:%d]", printNo, status)
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t.setPrintStatus(printNo, status)
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changePrinterStatus(printNo, status)
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}
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