private void ProcessSend(SocketAsyncEventArgs ioEventArgs)
{
DataToken dataToken = (DataToken)ioEventArgs.UserToken;
if (ioEventArgs.SocketError == SocketError.Success)
{
dataToken.messageBytesDone += ioEventArgs.BytesTransferred;
if (dataToken.messageBytesDone != dataToken.messageLength)
{
PostSend(ioEventArgs);
}
else
{
dataToken.ResultCallback(ResultCode.Success);
dataToken.Reset(true);
try
{
TryDequeueAndPostSend(dataToken.Socket, ioEventArgs);
}
catch
{
dataToken.Socket.ResetSendFlag();
throw;
}
}
}
else
{
dataToken.ResultCallback(ResultCode.Close);
dataToken.Socket.ResetSendFlag();
Closing(ioEventArgs);
}
}
/// <summary>
///
/// </summary>
/// <param name="dataToken"></param>
/// <param name="buffer"></param>
/// <param name="messageList"></param>
/// <returns></returns>
public override bool TryReadMeaage(DataToken dataToken, byte[] buffer, out List <DataMessage> messageList)
{
messageList = new List <DataMessage>();
int remainingBytesToProcess = buffer.Length;
bool needPostAnother = true;
do
{
if (dataToken.prefixBytesDone < 4)
{
remainingBytesToProcess = HandlePrefix(buffer, dataToken.bufferSkip, dataToken, remainingBytesToProcess);
if (dataToken.prefixBytesDone == 4 && (dataToken.messageLength > 10 * 1024 * 1024 || dataToken.messageLength <= 0))
{
byte[] bufferBytes = dataToken.byteArrayForMessage == null?
BufferUtils.MergeBytes(dataToken.byteArrayForPrefix, BufferUtils.GetBytes(buffer, dataToken.bufferSkip, buffer.Length - dataToken.bufferSkip)) :
BufferUtils.MergeBytes(dataToken.byteArrayForPrefix, dataToken.byteArrayForMessage, buffer);
string data = Encoding.UTF8.GetString(bufferBytes);
//消息头已接收完毕，并且接收到的消息长度大于10M，socket传输的数据已紊乱，关闭掉
TraceLog.Write("The host[{0}] request parser head byte error, byte len={1}\r\ndata:{2}",
dataToken.Socket.RemoteEndPoint.ToNotNullString(),
dataToken.messageLength,
data);
needPostAnother = false;
break;
}
//if (logger.IsDebugEnabled) logger.Debug("处理消息头，消息长度[{0}]，剩余字节[{1}]", dataToken.messageLength, remainingBytesToProcess);
if (remainingBytesToProcess == 0)
{
break;
}
}
remainingBytesToProcess = HandleMessage(buffer, dataToken.bufferSkip, dataToken, remainingBytesToProcess);
if (dataToken.IsMessageReady)
{
//if (logger.IsDebugEnabled) logger.Debug("完整封包 长度[{0}],总传输[{1}],剩余[{2}]", dataToken.messageLength, ioEventArgs.BytesTransferred, remainingBytesToProcess);
messageList.Add(new DataMessage()
{
Data = dataToken.byteArrayForMessage, OpCode = OpCode.Binary
});
if (remainingBytesToProcess != 0)
{
//if (logger.IsDebugEnabled) logger.Debug("重置缓冲区,buffskip指针[{0}]。", dataToken.bufferSkip);
dataToken.Reset(false);
}
}
else
{
//if (logger.IsDebugEnabled) logger.Debug("不完整封包 长度[{0}],总传输[{1}],已接收[{2}]", dataToken.messageLength, ioEventArgs.BytesTransferred, dataToken.messageBytesDone);
}
} while (remainingBytesToProcess != 0);
if (needPostAnother)
{
//继续处理下个请求包
if (dataToken.prefixBytesDone == 4 && dataToken.IsMessageReady)
{
dataToken.Reset(true);
}
dataToken.bufferSkip = 0;
}
return(needPostAnother);
}