private void OnReceive(IAsyncResult iar)
{
StateObj state = (StateObj)iar.AsyncState;
//读取的消息总长度
int len = state.Client.EndReceive(iar);
if (len < 4)
{
UITools.logError("invaild msg");
state.OnRecvError(state);
return;
}
byte[] buff = state.RecvTempBuff;
int msgRealLen = MsgUtils.DecodeMsgRealLen(buff, 0, 4);
UITools.log("msg real length : " + msgRealLen);
state.RecvLen = msgRealLen;
// state.RecvBuff.addRange<byte>(buff, AppConst.MsgHeadLen, len - 4);
state.RecvBuff.Write(buff, AppConst.MsgHeadLen, len - AppConst.MsgHeadLen);
if (state.RecvLen - state.RecvBuff.Length > 0)
{
try
{
state.Client.BeginReceive(state.RecvTempBuff, 0, state.RecvTempBuff.Length, 0, new AsyncCallback(OnReceiveRestData), state);
}
catch (Exception)
{
state.OnRecvError(state);
UITools.log("receive data timeout....");
}
}
else
{
state.OnReceive(state);
}
}
