/// <summary>
/// 开始接收网络数据
/// </summary>
/// <param name="skt"></param>
/// <param name="closeCB"></param>
public void StartRcvData(Socket skt, Action closeCB)
{
try
{
this.skt = skt;
this.closeCB = closeCB;
//连接成功的回调
OnConnected();
NetPkg pack = new NetPkg();
//开始异步接收数据
skt.BeginReceive(
pack.headBuff,
0,
pack.headLen,
SocketFlags.None,
new AsyncCallback(RcvHeadData),
pack);
Console.WriteLine("接收数据：" + skt.ToString());
}
catch (Exception e)
{
NetLogger.LogMsg("开始接收数据错误:" + e.Message, LogLevel.Error);
}
}
/// <summary>
/// 接收包体数据
/// </summary>
/// <param name="ar"></param>
private void RcvBodyData(IAsyncResult ar)
{
try
{
NetPkg pack = (NetPkg)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.headLen - pack.bodyIndex,
SocketFlags.None,
new AsyncCallback(RcvBodyData),
pack
);
}
else
{
T msg = AnalysisMsg.DeSerialize <T>(pack.bodyBuff);
OnReciveMsg(msg);
//循环接收
pack.ResetData();
skt.BeginReceive(
pack.headBuff,
0,
pack.headLen,
SocketFlags.None,
new AsyncCallback(RcvHeadData),
pack);
}
}
else
{
OnDisConnected();
Clear();
}
}
catch (Exception e)
{
NetLogger.LogMsg("接收包体数据错误:" + e.Message, LogLevel.Error);
}
}
/// <summary>
/// 接收包头数据
/// </summary>
/// <param name="ar"></param>
private void RcvHeadData(IAsyncResult ar)
{
try
{
//避免断开连接时，异步回调调用EndReceive会报错
/*if (skt==null)
* {
* NetLogger.LogMsg("当前对应客户端不存在，直接返回");
* return;
* }*/
if (skt == null)
{
return;
}
NetPkg pack = (NetPkg)ar.AsyncState;
if (skt.Available == 0)
{
OnDisConnected();
Clear();
return;
}
NetLogger.LogMsg("开始结束异步读取");
int len = skt.EndReceive(ar);
if (len > 0)
{
pack.headIndex += len;
//如果是小于4的就是凑不成一个包头，就是要分包继续接收
if (pack.headIndex < pack.headLen)
{
//接收数据
skt.BeginReceive(
pack.headBuff,
pack.headIndex,
pack.headLen - pack.headIndex,
SocketFlags.None,
new AsyncCallback(RcvHeadData),
pack);
}
else
{
//设置byte[]的长度
pack.InitBodyBuff();
skt.BeginReceive(pack.bodyBuff,
0,
pack.bodyLen,
SocketFlags.None,
new AsyncCallback(RcvBodyData),
pack);
}
}
else
{
OnDisConnected();
Clear();
}
}
catch (Exception e)
{
NetLogger.LogMsg("接收包头数据错误:" + e.Message, LogLevel.Error);
}
}
