/// <summary>
/// 接收数据处理 -- ***
/// </summary>
/// <param name="state"></param>
private void ReciveProcessing(object state)
{
if (!this.Disposed)
{
ConnectionManage pConnection = null;
IAsyncResult AsyncResult = (IAsyncResult)state;
try
{
SocketDataCallback pCallbackBuffer = (SocketDataCallback)AsyncResult.AsyncState;
pConnection = pCallbackBuffer.Connection;
if (pConnection.Active)
{
int iReadBytes = 0;
if (pConnection.CurrentStream != null)
{
iReadBytes = pConnection.CurrentStream.EndRead(AsyncResult);
}
else
{
iReadBytes = pConnection.CurrentSocket.EndReceive(AsyncResult);
}//end CurrentStream if...else...
if (iReadBytes > 0)
{
bool bReadSocket = false;
this.BufferProcessing(pCallbackBuffer, iReadBytes, ref bReadSocket);
if (!bReadSocket)
{
//检索队列
lock (pConnection.ReciveLock)
{
pConnection.ReadCount--;
if (pConnection.ReadCount > 0)
{
SocketBuffer pNextBuffer = new SocketBuffer(this.SocketBufferSize);
if (pConnection.CurrentStream != null)
{
//从SSL Stream读取数据
pConnection.CurrentStream.BeginRead(pNextBuffer.ContentBuffer, pNextBuffer.OffSet, pNextBuffer.Remaining,
new AsyncCallback(ReciveCallback), new SocketDataCallback(pConnection, pNextBuffer));
}
else
{
//从Socket Stream读取数据
pConnection.CurrentSocket.BeginReceive(pNextBuffer.ContentBuffer, pNextBuffer.OffSet, pNextBuffer.Remaining, SocketFlags.None,
new AsyncCallback(ReciveCallback), new SocketDataCallback(pConnection, pNextBuffer));
} //end CurrentStream if...else...
} //end ReadCount if...else...
} //end lock
}
}
else
{
pConnection.OnDisconnect();
} //end iReadBytes if...else...
} //end Active if...else...
}
catch (Exception ex)
{
this.SocketExceptionEvent(pConnection, ex);
}//end try...catch...
}
}
/// <summary>
/// 数据处理 - ***
/// </summary>
/// <param name="pSocketDataCallback"></param>
/// <param name="iBytesCount"></param>
private void BufferProcessing(SocketDataCallback pSocketDataCallback, int iBytesCount, ref bool bReadSocket)
{
byte[] pDataBuffer = null;
ConnectionManage pConnection = pSocketDataCallback.Connection;
SocketBuffer pReciveBuffer = (SocketBuffer)pSocketDataCallback.SocketBuffer;
pConnection.LastAction = DateTime.Now;
//Console.WriteLine(iBytesCount);
pReciveBuffer.OffSet += iBytesCount;
//--- 改进的地方
//读取方向开关
bool bFromBuffer = false;
bool bFromSocket = false;
//确定数据体大小以及读取方向
do
{
//判断当前Buffer大小
if (pReciveBuffer.OffSet > SocketConstant.MAX_SOCKETHEAD_SIZE)
{
//判断数据体是否填充
if (pReciveBuffer.BodySize == 0)
{
SocketHead pPacketHead = new SocketHead(pReciveBuffer.ContentBuffer);
pPacketHead.ExtractInfo();
pReciveBuffer.BodySize = pPacketHead.BodyLength;
pReciveBuffer.Compression = pPacketHead.Compression;
pReciveBuffer.CRCBuffer = pPacketHead.CRCValue;
}//end if pReciveBuffer.BodySize
//Socket Packet 大小
int iBodySize = pReciveBuffer.BodySize + SocketConstant.MAX_SOCKETHEAD_SIZE;
//数据读取结束
if (iBodySize == pReciveBuffer.OffSet)
{
pDataBuffer = pReciveBuffer.GetRawBuffer(SocketConstant.MAX_SOCKETHEAD_SIZE, iBodySize);
bFromBuffer = false;
bFromSocket = false;
}
else
{
//从Buffer读取数据
if (iBodySize < pReciveBuffer.OffSet)
{
pDataBuffer = pReciveBuffer.GetRawBuffer(SocketConstant.MAX_SOCKETHEAD_SIZE, iBodySize);
bFromBuffer = true;
bFromSocket = false;
this.SocketReceivedEvent(pConnection, pDataBuffer, false);
}
else
{
//从Socket读取数据
if (iBodySize > pReciveBuffer.OffSet)
{
//更改Buffer大小至Socket Packet大小
if (iBodySize > pReciveBuffer.CurrentSize)
{
pReciveBuffer.Resize(iBodySize);
}
bFromBuffer = false;
bFromSocket = true;
}
}
}//end if (iBodySize == pReciveBuffer.OffSet)
}
else
{
if (pReciveBuffer.Remaining < SocketConstant.MAX_SOCKETHEAD_SIZE)
{
pReciveBuffer.Resize(pReciveBuffer.CurrentSize + SocketConstant.MAX_SOCKETHEAD_SIZE);
}
bFromBuffer = false;
bFromSocket = true;
}//end if (pReciveBuffer.OffSet > SocketConstant.MAX_SOCKETHEAD_SIZE)
} while (bFromBuffer);
//从Socket读取数据
if (bFromSocket)
{
if (pConnection.Active)
{
if (pConnection.CurrentStream != null)
{
//从SSL Stream读取数据
pConnection.CurrentStream.BeginRead(pReciveBuffer.ContentBuffer, pReciveBuffer.OffSet, pReciveBuffer.Remaining,
new AsyncCallback(ReciveCallback), new SocketDataCallback(pConnection, pReciveBuffer));
}
else
{
//从Socket Stream读取数据
pConnection.CurrentSocket.BeginReceive(pReciveBuffer.ContentBuffer, pReciveBuffer.OffSet, pReciveBuffer.Remaining, SocketFlags.None,
new AsyncCallback(ReciveCallback), new SocketDataCallback(pConnection, pReciveBuffer));
}
}
}
if (null != pDataBuffer)
{
pDataBuffer = CompressionUtilise.DeCompressionData(pReciveBuffer.Compression, pDataBuffer);
this.SocketReceivedEvent(pConnection, pDataBuffer, true);
}//end pDataBuffer if...else...
bReadSocket = bFromSocket;
pReciveBuffer = null;
pSocketDataCallback = null;
}
/// <summary>
/// 发送数据处理
/// </summary>
/// <param name="state"></param>
private void SendProcessing(object pSendState)
{
if (!this.Disposed)
{
bool bCanReadQueue = false;
SocketBuffer pSendBuffer = null;
ConnectionManage pConnection = null;
IAsyncResult AsyncResult = (IAsyncResult)pSendState;
try
{
SocketDataCallback pCallbackBuffer = (SocketDataCallback)AsyncResult.AsyncState;
pConnection = pCallbackBuffer.Connection;
pSendBuffer = (SocketBuffer)pCallbackBuffer.SocketBuffer;
if (pConnection.Active)
{
if (pConnection.CurrentStream != null)
{
pConnection.CurrentStream.EndWrite(AsyncResult);
this.SocketSend(pConnection, pSendBuffer.RawBuffer);
bCanReadQueue = true;
}
else
{
int iWriteBytes = pConnection.CurrentSocket.EndSend(AsyncResult);
if (iWriteBytes < pSendBuffer.Remaining)
{
bCanReadQueue = false;
pSendBuffer.OffSet += iWriteBytes;
pConnection.CurrentSocket.BeginSend(pSendBuffer.ContentBuffer, pSendBuffer.OffSet, pSendBuffer.Remaining, SocketFlags.None,
new AsyncCallback(SendCallback), pCallbackBuffer);
}
else
{
this.SocketSentEvent(pConnection, pSendBuffer.RawBuffer);
bCanReadQueue = true;
}
}//end CurrentStream if...else...
if (bCanReadQueue)
{
pSendBuffer = null;
pCallbackBuffer = null;
lock (pConnection.SendQueue)
{
if (pConnection.SendQueue.Count > 0)
{
SocketBuffer pQueueBuffer = pConnection.SendQueue.Dequeue();
//发送数据流
if (pConnection.CurrentStream != null)
{
pConnection.CurrentStream.BeginWrite(pQueueBuffer.ContentBuffer, pQueueBuffer.OffSet, pQueueBuffer.Remaining,
new AsyncCallback(SendCallback), new SocketDataCallback(pConnection, pQueueBuffer));
}
else
{
pConnection.CurrentSocket.BeginSend(pQueueBuffer.ContentBuffer, pQueueBuffer.OffSet, pQueueBuffer.Remaining, SocketFlags.None,
new AsyncCallback(SendCallback), new SocketDataCallback(pConnection, pQueueBuffer));
}
}
else
{
pConnection.SendState = false;
}
} //lock SendQueue
} //end bCanReadQueue if...else...
} //end Active if...else...
}
catch (Exception ex)
{
this.SocketExceptionEvent(pConnection, ex);
}
}
}