public override void ConnectToDeviceAsync(ResultDel del)
{
IPEndPoint endPoint = new IPEndPoint(ServerIP, ServerPort);
Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
try
{
//尝试连接器件，通过TCP/IP模拟
socket.Connect(endPoint);
}
catch
{
socket.Close();
del.Invoke(false, "连接测试台失败，请检查线路是否连接正确!");
return;
}
TCPSocket = socket;
IsConnected = true;
R_Thread = new Thread(new ThreadStart(RecieveDatas));
R_Thread.Start();
//发送指令，要求器件发送自身信息回来
SendMeesageAsync("连接并且获取信息", CommandEnum.CONNECT, del);
}
/// <summary>
/// 增加获取数据时候的代理
/// </summary>
/// <param name="del"></param>
public void Add_GetMeeageDel(ResultDel del)
{
GetMessageEvent -= del;
GetMessageEvent += del;
}
public async void SendMeesageAsync(String content, CommandEnum command, ResultDel del)
{
byte[] datas = Encoding.UTF8.GetBytes(content);
byte[] message = new byte[datas.Length + 12];
byte verify = 0x00;
//填装数据头
for (int counter = 0; counter < 4; counter++)
{
message[counter] = 0xff;
}
//填装命令
message[4] = (byte)command;
verify ^= message[4];
//填装数据长度
message[5] = (byte)(datas.Length / 256);
message[6] = (byte)(datas.Length % 256);
verify ^= message[5];
verify ^= message[6];
//填装数据
for (int counter = 7; counter < message.Length - 5; counter++)
{
message[counter] = datas[counter - 7];
verify ^= message[counter];
}
message[message.Length - 5] = verify;
//填装数据尾部
for (int counter = message.Length - 1; counter >= message.Length - 4; counter--)
{
message[counter] = 0x00;
}
//开始异步操作
await Task.Run(new Action(() =>
{
SendMDel = del;
SendContent = content;
SendCommand = command;
ResendTimes = 0;
lock (this)
{
//如果发送成功
if (SendMessage_Real(message))
{
//那么接受数据时会处理此处的发送代理
}
//发送数据失败
else
{
if (del != null)
{
del.Invoke(false, "SNED_FAILED", CommandEnum.NONE);
}
}
}
}));
}
/// <summary> /// 连接到设备函数 /// </summary> /// <returns>null成功，有信息则是错误信息</returns> public abstract void ConnectToDeviceAsync(ResultDel del);