/// <summary>
/// 先接收到了数据头后，再调用接受数据身子，获得完整的数据
/// </summary>
/// <param name="ar"></param>
private void RcvBodyData(IAsyncResult ar)
{
try
{
PEPkg pack = (PEPkg)ar.AsyncState;
int len = skt.EndReceive(ar);
if (len > 0)
{
pack.bodyIndex += len;
//同样，如果接收到的数据长度比目标数据长度要短，则继续接受直到数据完整
if (pack.bodyIndex < pack.bodyLen)
{
skt.BeginReceive(pack.bodyBuff,
pack.bodyIndex,
pack.bodyLen - pack.bodyIndex,
SocketFlags.None,
new AsyncCallback(RcvBodyData),
pack);
}
else
{
//反序列化数据
T msg = PETool.DeSerialize <T>(pack.bodyBuff);
OnReciveMsg(msg);
//loop recive，重置pack的设置后，继续开始接受数据，直到关闭连接
pack.ResetData();
skt.BeginReceive(
pack.headBuff,
0,
pack.headLen,
SocketFlags.None,
new AsyncCallback(RcvHeadData),
pack);
}
}
//同样，防止空数据，要关闭连接
else
{
OnDisConnected();
Clear();
}
}
catch (Exception e)
{
PETool.LogMsg("RcvBodyError:" + e.Message, LogLevel.Error);
}
}
private void RcvBodyData(IAsyncResult ar)
{
try {
PEPkg pack = (PEPkg)ar.AsyncState;
int len = skt.EndReceive(ar);
if (len > 0)
{
pack.bodyIndex += len;
if (pack.bodyIndex < pack.bodyLen)
{
skt.BeginReceive(pack.bodyBuff,
pack.bodyIndex,
pack.bodyLen - pack.bodyIndex,
SocketFlags.None,
new AsyncCallback(RcvBodyData),
pack);
}
else
{
T msg = PETool.DeSerialize <T>(pack.bodyBuff);
OnReciveMsg(msg);
//loop recive
pack.ResetData();
skt.BeginReceive(
pack.headBuff,
0,
pack.headLen,
SocketFlags.None,
new AsyncCallback(RcvHeadData),
pack);
}
}
else
{
OnDisConnected();
Clear();
}
}
catch (Exception e) {
PETool.LogMsg("RcvBodyError:" + e.Message, LogLevel.Error);
}
}