private void OnAcceptTcpClient(IAsyncResult ar)
{
SampleService sv = (SampleService)(ar.AsyncState);
if (sv.bStarted)
{
try
{
sv.client = sv.EndAcceptTcpClient(ar);
sv.bConnected = true;
sv.timer.Start();
//开始异步读取数据
sv.client.GetStream().BeginRead(sv.readbuffer1, 0, readbuffersize,
OnDataReceived, sv);
}
catch (Exception ex)
{
Console.WriteLine("AcceptTcpClient Error:" + ex.Message);
}
}
}
private void OnDataReceived(IAsyncResult ar)
{
SampleService sv = (SampleService)(ar.AsyncState);
if (!sv.bStarted || sv.client == null)
{
return;
}
int recv = 0;
try
{
recv = sv.client.GetStream().EndRead(ar);
}
catch (Exception ex)
{
recv = 0;
Console.WriteLine("HandleDataReceived:" + ex.Message);
}
try
{
if (recv != 0)
{
if (sv.bAuthed)
{
if (recv % 2 != 0)
{
Console.WriteLine("接收到:" + recv);
}
sv.curreadlen += recv;
if (sv.curreadlen == readbuffersize)
{
if (sv.readedbuffer == null)
{
sv.readedbuffer = sv.curreadbuffer;
}
else
{
Console.WriteLine("data lasted");
}
if (sv.curreadbuffer == sv.readbuffer1)
{
sv.curreadbuffer = sv.readbuffer2;
}
else
{
sv.curreadbuffer = sv.readbuffer1;
}
//static int fm = 0;
//Console::WriteLine("frame:" + (++fm));
sv.curreadlen = 0;
}
sv.client.GetStream().BeginRead(sv.curreadbuffer, sv.curreadlen,
readbuffersize - sv.curreadlen,
OnDataReceived, sv);
}
else
{
if (recv == 19)
{
byte[] temp = new byte[recv];
Array.Copy(sv.readbuffer1, temp, recv);
string sn = Encoding.Default.GetString(temp);
if (sn.CompareTo("sn:testtesttesttest") == 0)
{
sv.timer.Stop();
sv.bAuthed = true;
Console.WriteLine("验证成功");
byte[] res = Encoding.Default.GetBytes("snok");
sv.client.GetStream().BeginWrite(res, 0, res.GetLength(0), null, null);
sv.InitSample();
sv.client.GetStream().BeginRead(sv.curreadbuffer, 0, readbuffersize,
OnDataReceived, sv);
return;
}
}
Console.WriteLine("验证无效");
sv.bConnected = false;
}
}
else
{
sv.bConnected = false;
}
}
catch (Exception ex)
{
Console.WriteLine("handle receive error:" + ex.Message);
}
}