private void ResponseData(string sendData)
{
string strSend = SocketHelper.PackMessageBlock(sendData);
if (SocketLogMgt.DumpData)
{
SocketLogMgt.SetLog(this, _strSocketID + ": Data to be sent.");
SocketLogMgt.SetLog(this, "------------------------");
SocketLogMgt.SetLog(this, strSend);
SocketLogMgt.SetLog(this, "------------------------");
}
byte[] byteData = null;
byteData = _server.Encoder.GetBytes(strSend);
if (byteData == null)
{
SocketLogMgt.SetLog(SocketLogType.Error, this, "Encode data failed.");
}
else
{
SocketLogMgt.SetLog(this, _strSocketID + "Begin sending data.");
_socket.BeginSend(byteData, 0, byteData.Length, 0,
new AsyncCallback(OnDataSent), null);
}
}
private SocketResult Send(SocketClientConfig config, string content)
{
SocketLogMgt.SetLog(this, "=============================================");
SocketLogMgt.SetLog(this, ": Send Data Begin.");
try
{
Socket socket = Connect(config);
if (socket == null)
{
return(SocketResult.Disconnect); // failed to connect to remote server
}
string strSend = SocketHelper.PackMessageBlock(content);
if (SocketLogMgt.DumpData)
{
SocketLogMgt.SetLog(this, ": Data to be sent.");
SocketLogMgt.SetLog(this, "------------------------");
SocketLogMgt.SetLog(this, strSend);
SocketLogMgt.SetLog(this, "------------------------");
}
Byte[] bytesSent = null;
System.Text.Encoding encoder = GetEncoder();
if (encoder != null)
{
bytesSent = encoder.GetBytes(strSend);
}
if (bytesSent == null)
{
SocketLogMgt.SetLog(SocketLogType.Error, this, _socketID + "Encode data failed.");
return(SocketResult.SendFailed); // failed to encoding outgoing message
}
_allDone.Reset();
SocketLogMgt.SetLog(this, _socketID + "Send data.");
socket.BeginSend(bytesSent, 0, bytesSent.Length, 0, new AsyncCallback(OnDataSent), null);
bool rec = true;
string strReceived = null;
StringBuilder sb = new StringBuilder();
Byte[] bytesReceived = new Byte[config.ReceiveResponseBufferSizeKB * 1024];
while (rec)
{
if (!socket.Connected)
{
SocketLogMgt.SetLog(SocketLogType.Warning, this, _socketID + "Connection closed.");
break;
}
SocketLogMgt.SetLog(this, _socketID + "Receive data.");
int bytes = socket.Receive(bytesReceived, bytesReceived.Length, 0);
SocketLogMgt.SetLog(this, _socketID + "Receive succeeded. " + bytes.ToString() + " bytes.");
string str = encoder.GetString(bytesReceived, 0, bytes);
sb.Append(str);
strReceived = sb.ToString();
rec = !SocketHelper.FindBlockEnding(strReceived);
}
_allDone.WaitOne(); // need not to set timeout here, we can depend on socket timeout of the Receive() method.
if (SocketLogMgt.DumpData)
{
SocketLogMgt.SetLog(this, ": Data received.");
SocketLogMgt.SetLog(this, "------------------------");
SocketLogMgt.SetLog(this, strReceived);
SocketLogMgt.SetLog(this, "------------------------");
}
strReceived = SocketHelper.UnpackMessageBlock(strReceived);
return(new SocketResult(SocketResultType.Success, strReceived)); // send and receive success
}
catch (SocketException se)
{
SocketLogMgt.SetLastError(this, se);
SocketResult ret = new SocketResult(se);
ret.Type = SocketResultType.Unknown;
return(ret);
// meet exception during sending or receiving
// (for example, it may be caused by the connection has expired [controled by the lower levels]
// after some period of time without sending or receving),
// and we need to recreate a new connection and try again,
// please see SendData() for details.
}
catch (Exception err)
{
SocketLogMgt.SetLastError(this, err);
return(new SocketResult(err));
}
finally
{
SocketLogMgt.SetLog(this, ": Send Data End");
SocketLogMgt.SetLog(this, "=============================================\r\n");
}
}
public static SocketResult SendData(SocketClientConfig config, string content)
{
SocketResult result = SocketResult.Empty;
try
{
SocketLogMgt.SetLog("=============================================");
SocketLogMgt.SetLog(": Send Data Begin.");
SocketLogMgt.SetLog(config);
string strSend = SocketHelper.PackMessageBlock(content);
if (SocketLogMgt.DumpData)
{
SocketLogMgt.SetLog(": Data to be sent.");
SocketLogMgt.SetLog("------------------------");
SocketLogMgt.SetLog(strSend);
SocketLogMgt.SetLog("------------------------");
}
Byte[] bytesSent = null;
System.Text.Encoding encoder = SocketHelper.GetEncoder(config);
if (encoder != null)
{
bytesSent = encoder.GetBytes(strSend);
}
if (bytesSent == null)
{
SocketLogMgt.SetLog(SocketLogType.Error, "Encode data failed.");
return(SocketResult.SendFailed);
}
Byte[] bytesReceived = new Byte[config.ReceiveResponseBufferSizeKB * 1024];
SocketLogMgt.SetLog(": Socket prepared.");
SocketLogMgt.SetLog("------------------------");
string strReceived = null;
StringBuilder sb = new StringBuilder();
IPEndPoint ipe = new IPEndPoint(IPAddress.Parse(config.IPAddress), config.Port);
using (Socket socket = new Socket(ipe.AddressFamily, SocketType.Stream, ProtocolType.Tcp))
{
int id = SocketHelper.GetNewSocketID();
string strID = "(" + id.ToString() + ") ";
//socket.NoDelay = true;
socket.SendTimeout = config.SendTimeout;
socket.ReceiveTimeout = config.ReceiveTimeout;
SocketLogMgt.SetLog(strID + "Socket created.");
socket.Connect(ipe);
if (socket.Connected)
{
SocketLogMgt.SetLog(strID + "Socket connected.");
}
else
{
SocketLogMgt.SetLog(SocketLogType.Warning, strID + "Connection failed.");
return(SocketResult.Disconnect);
}
_allDone.Reset();
#region session 1
SocketLogMgt.SetLog(strID + "Send data.");
socket.BeginSend(bytesSent, 0, bytesSent.Length, 0,
new AsyncCallback(OnDataSent), new SocketWrapper(strID, socket));
bool rec = true;
while (rec)
{
if (!socket.Connected)
{
SocketLogMgt.SetLog(SocketLogType.Warning, strID + "Connection closed.");
break;
}
SocketLogMgt.SetLog(strID + "Receive data.");
int bytes = socket.Receive(bytesReceived, bytesReceived.Length, 0);
SocketLogMgt.SetLog(strID + "Receive succeeded. " + bytes.ToString() + " bytes.");
string str = encoder.GetString(bytesReceived, 0, bytes);
sb.Append(str);
strReceived = sb.ToString();
rec = !SocketHelper.FindBlockEnding(strReceived);
}
#endregion
#region session 2
//SocketLogMgt.SetLog(strID + "Send data.");
//socket.BeginSend(bytesSent, 0, bytesSent.Length, 0,
// new AsyncCallback(OnDataSent), new SocketWrapper(strID, socket));
//rec = true;
//while (rec)
//{
// if (!socket.Connected)
// {
// SocketLogMgt.SetLog(SocketLogType.Warning, strID + "Connection closed.");
// break;
// }
// SocketLogMgt.SetLog(strID + "Receive data.");
// int bytes = socket.Receive(bytesReceived, bytesReceived.Length, 0);
// SocketLogMgt.SetLog(strID + "Receive succeeded. " + bytes.ToString() + " bytes.");
// string str = encoder.GetString(bytesReceived, 0, bytes);
// sb.Append(str);
// strReceived = sb.ToString();
// rec = !SocketHelper.FindBlockEnding(strReceived);
//}
#endregion
_allDone.WaitOne(); // need not to set timeout here, we can depend on socket timeout of the Receive() method.
socket.Shutdown(SocketShutdown.Both);
socket.Close();
SocketLogMgt.SetLog(strID + "Socket disconnected.");
}
SocketLogMgt.SetLog("------------------------");
if (SocketLogMgt.DumpData)
{
SocketLogMgt.SetLog(": Data received.");
SocketLogMgt.SetLog("------------------------");
SocketLogMgt.SetLog(strReceived);
SocketLogMgt.SetLog("------------------------");
}
strReceived = SocketHelper.UnpackMessageBlock(strReceived);
result = new SocketResult(SocketResultType.Success, strReceived);
}
catch (Exception err)
{
SocketLogMgt.SetLastError(err);
result = new SocketResult(err);
}
SocketLogMgt.SetLog(": Send Data End");
SocketLogMgt.SetLog("=============================================\r\n");
return(result);
}