1

yangle

2024-07-31 92218ec56cad397211bad16cbfd53d436c82b1b7

 WarM/ÌõÂë´òÓ¡/Gy_BarCodeBill_automaticallyByPLC_New.cs

@@ -13,6 +13,7 @@
using System.Drawing.Printing;
using System.IO;
using System.Management;
using System.Net.NetworkInformation;

namespace WarM
{
@@ -1017,6 +1018,12 @@
        {
            try
            {
                if (socket != null && socket.Connected)
                {
                    MessageBox.Show("已建立连接，不可重复建立连接！");
                    return;
                }

                if (grdMain.Rows.Count == 0 || grdMain.Rows[0].Cells[HMaterIDCol].Value == null || grdMain.Rows[0].Cells[HMaterIDCol].Value.ToString() == "" || grdMain.Rows[0].Cells[HMaterIDCol].Value.ToString() == "0")
                {
                    MessageBox.Show("请选择源单！");
@@ -1060,6 +1067,8 @@
                Thread thread = new Thread(ReceiveMess);
                thread.Start();
                MessageBox.Show("连接成功！");

                timer3.Enabled = true;
            }
            catch (Exception ex)
            {
@@ -1093,8 +1102,8 @@
            }
            catch (Exception ex)
            {
                MessageBox.Show("接口异常，已关闭连接：" + ex.Message);
                socket.Close();
                //MessageBox.Show("接口异常，已关闭连接：" + ex.Message);
                //socket.Close();
            }
        }

@@ -1236,6 +1245,7 @@
                if (socket.Connected)
                {
                    socket.Close();
                    MessageBox.Show("连接关闭成功！");
                }
                else
                {
@@ -1246,6 +1256,10 @@
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
            finally
            {
                timer3.Enabled = false;
            }
        }
        #endregion
@@ -2353,5 +2367,90 @@

            }
        }



        #region æ–­çº¿é‡è¿ž
        private int maxRepeatConnectTimes = 5;
        private int currentRepeatConnectTimes = 0;

        #region å®šæ—¶å™¨æ£€æµ‹è¿žæŽ¥çŠ¶æ€ã€æ–­çº¿é‡è¿ž
        private void timer3_Tick(object sender, EventArgs e)
        {
            if (currentRepeatConnectTimes < maxRepeatConnectTimes)
            {
                //判断客户端是否可以访问服务器，若不可以访问，关闭socket连接
                if (!getTargetInternetStatus())
                {
                    if (socket != null && socket.Connected)
                    {
                        socket.Close();
                    }

                    currentRepeatConnectTimes += 1;
                }
                else if (getTargetInternetStatus() && !socket.Connected)
                {
                    //若客户端可以访问服务器，socket重新连接服务器
                    try
                    {
                        socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
                        IPAddress iPAddress = IPAddress.Parse(textBox_IPParams.Text);
                        IPEndPoint point = new IPEndPoint(iPAddress, Convert.ToInt32(textBox_PortParams.Text));
                        socket.Connect(point);

                        Thread thread = new Thread(ReceiveMess);
                        thread.Start();

                        currentRepeatConnectTimes = 0;
                    }
                    catch (Exception ex)
                    {
                        currentRepeatConnectTimes += 1;
                    }
                }
            }
            else
            {
                timer3.Enabled = false;
                currentRepeatConnectTimes = 0;
                MessageBox.Show("连接已断开，请重新连接！!");
            }
        }
        #endregion

        #region èŽ·å–目标设备网络连接状态
        private bool getTargetInternetStatus()
        {
            try
            {
                string targetIp = textBox_IPParams.Text; // æ›¿æ¢ä¸ºç›®æ ‡ç”µè„‘çš„IP地址
                Ping pingSender = new Ping();
                PingOptions options = new PingOptions();
                // ä½¿ç”¨64字节的数据包，‌你可以根据需要调整这个值
                string data = "Hello from Ping!";
                byte[] buffer = Encoding.ASCII.GetBytes(data);
                int timeout = 1200; // è¶…时时间，‌单位为毫秒
                PingReply reply = pingSender.Send(targetIp, timeout, buffer, options);

                if (reply.Status == IPStatus.Success)
                {
                    return true;
                }
                else
                {
                    return false;
                }
            }
            catch (Exception ex)
            {
                return false;
            }

        }
        #endregion
        #endregion

        
    }
}