private void socket_ReceiveCompleted(object sender, SocketEventArgs e)
{
byte[] data = null;
Guid id = new Guid();
CommunicationReceiveEventArgs receiveEventArgs = null;
switch (e.Data[0])
{
case 3:
if (e.DataLength < 21)
{
return;
}
id = new Guid(e.Data.Skip(1).Take(16).ToArray());
int dataLength = BitConverter.ToInt32(e.Data.Skip(17).Take(4).ToArray(), 0);
byte[] head = null;
if (e.DataLength > 21)
{
head = e.Data.Skip(21).ToArray();
}
receiveEventArgs = new CommunicationReceiveEventArgs(this, id, dataLength, head);
PreviewReceive?.Invoke(this, receiveEventArgs);
data = new byte[18];
data[0] = 4;
int i = 1;
do
{
data[i] = e.Data[i];
i++;
}while (i <= 16);
if (!receiveEventArgs.Handled)
{
receiveEventArgs.Data = new byte[dataLength];
ReceiveCache.Add(id, receiveEventArgs);
data[17] = 1;
}
else
{
data[17] = 0;
}
Socket.SendAsync(data);
break;
case 4:
if (e.DataLength != 18)
{
return;
}
id = new Guid(e.Data.Skip(1).Take(16).ToArray());
if (!SendWait.ContainsKey(id))
{
return;
}
CommunicationSendEventArgs sendEventArgs = SendWait[id];
SendWait.Remove(id);
sendEventArgs.Success = e.Data[17] == 1;
if (!sendEventArgs.Success)
{
if (SendCompleted != null)
{
SendCompleted(this, sendEventArgs);
}
return;
}
data = GetSendBlock(sendEventArgs, 0);
SendCache.Add(data, sendEventArgs);
SendMark.Add(sendEventArgs, data.Length - 21);
Socket.SendAsync(data);
break;
case 5:
if (e.DataLength < 22)
{
return;
}
id = new Guid(e.Data.Skip(1).Take(16).ToArray());
if (!ReceiveCache.ContainsKey(id))
{
return;
}
receiveEventArgs = ReceiveCache[id];
int offset = BitConverter.ToInt32(e.Data.Skip(17).Take(4).ToArray(), 0);
for (int j = 0; j < e.DataLength - 21; j++)
{
receiveEventArgs.Data[offset + j] = e.Data[21 + j];
}
if (offset + e.DataLength - 21 == receiveEventArgs.DataLength)
{
ReceiveCache.Remove(id);
ReceiveCompleted?.Invoke(this, receiveEventArgs);
}
break;
}
}
public PLCConnect(IPEndPoint ip)
{
IP = ip.Address.ToString();
Port = ip.Port;
SocketReconnect();
//发送数据
new System.Threading.Thread(() =>
{
byte[] senddata = null;
while (true)
{
System.Threading.Thread.Sleep(100);
lock (SendCache)
{
if (SendCache.Count > 10)
{
SendCache.Clear();
}
if (SendCache.Count > 0)
{
senddata = SendCache[0];
SendCache.RemoveAt(0);
}
}
if (senddata == null)
{
continue;
}
if (s == null)
{
SocketReconnect();
System.Threading.Thread.Sleep(5000);
}
try
{
s.Send(senddata);
IsCommcation = true;
}
catch { SocketReconnect(); System.Threading.Thread.Sleep(5000); }
senddata = null;
}
})
{
IsBackground = true
}.Start();
//接收数据
new System.Threading.Thread(() =>
{
byte[] b = new byte[1024];
while (true)
{
if (s == null)
{
continue;
}
if (s.Available == 0)
{
continue;
}
int len = 0;
try
{
len = s.Receive(b);
}
catch
{
}
if (len == 0)
{
continue;
}
byte[] recedata = b.Take(len).ToArray();
ReceData_Event?.Invoke(this, recedata);
}
})
{
IsBackground = true
}.Start();
}
/// <summary>
/// 构造函数
/// </summary>
protected ProtocolDriver()
{
_Commands = new Manager <string, IProtocolCommand>();
SendCache = new SendCache();
}
public IngersollRandConnecter(IPEndPoint as_ip, IPEndPoint as_bindingip = null)
{
IP = as_ip.Address.ToString();
Port = as_ip.Port;
BindingIp = as_bindingip;
SocketReconnect();
//发送心跳和问询数据
new System.Threading.Thread(() =>
{
#if 处理心跳
int count_temp = 0;
#endif
while (true)
{
System.Threading.Thread.Sleep(200);
lock (SendCache)
{
SendCache.Add(AskTightResult);
#if 处理心跳
if (++count_temp >= 5)
{
SendCache.Add(HeartData);
count_temp = 0;
}
#endif
}
}
})
{
IsBackground = true
}.Start();
//发送数据
new System.Threading.Thread(() =>
{
byte[] senddata = null;
while (true)
{
System.Threading.Thread.Sleep(100);
lock (SendCache)
{
if (SendCache.Count > 10)
{
SendCache.Clear();
}
if (SendCache.Count > 0)
{
senddata = SendCache[0];
SendCache.RemoveAt(0);
}
}
if (senddata == null)
{
continue;
}
if (s == null)
{
SocketReconnect();
System.Threading.Thread.Sleep(5000);
}
try
{
s.Send(senddata);
AppMessage.Add("发送数据", AppMessage.MsgType.英格索兰, false, AppMessage.ImportantEnum.Normal, senddata.ToStandardString(false, senddata.Length));
//LastCommcationTime = DateTime.Now;
}
catch { SocketReconnect(); System.Threading.Thread.Sleep(5000); }
senddata = null;
}
})
{
IsBackground = true
}.Start();
//接收数据
new System.Threading.Thread(() =>
{
byte[] recedata = new byte[1024];
while (true)
{
System.Threading.Thread.Sleep(1);
if (s != null && s.Available > 0)
{
int rece_count_temp = s.Receive(recedata);
AppMessage.Add("接收数据", AppMessage.MsgType.英格索兰, false, AppMessage.ImportantEnum.Normal, recedata.ToStandardString(false, rece_count_temp));
if (rece_count_temp == 17)
{
bool newdata = (recedata[9] == 0 && recedata[10] == 1);
if (newdata)
{
bool ok = (recedata[11] == 0 && recedata[12] == 1);
decimal tr = (recedata[13] * 257 + recedata[14]) / 100m;
decimal angle = recedata[15] * 257 + recedata[16];
if (tr != 0 || angle != 0) //复位后可能数据都是0,需要排除
{
lock (SendCache) //发送复位指令,否则下次又要接收到相同的数据了
{
SendCache.Add(Reset);
}
OnGetData_Event(new TightResult(ok, tr, angle));
//AddReceData(new TightResult(ok, tr, angle));
}
}
#if 处理心跳
#else
LastCommcationTime = DateTime.Now;
#endif
}
#if 处理心跳
else if (rece_count_temp == 11)//心跳数据
{
LastCommcationTime = DateTime.Now;
}
#endif
}
}
})
{
IsBackground = true
}.Start();
}