/// <summary>
/// 异步接收回调函数
/// </summary>
/// <param name="i_IAsyncResult"></param>
public void EndReceiveFromCallback(IAsyncResult i_IAsyncResult)
{
m_iProcessCounter++;
Console.WriteLine("第{0}个请求连接！", m_iProcessCounter);
Class_State n_State = i_IAsyncResult.AsyncState as Class_State;
Socket n_Socket_Receive = n_State.p_Socket_Receive;
/*Socket n_Socket_Send = n_State.p_Socket_Send*/
try
{
//完成接收
int n_ibtReadLength = n_Socket_Receive.EndReceiveFrom(i_IAsyncResult, ref n_State.p_EndPoint);
//显示客户端地址和端口
Console.WriteLine("客户端终结点：{0}", n_State.p_EndPoint.ToString());
//显示接收信息
Console.WriteLine("接收数据字节数：{0}", n_ibtReadLength);
string n_sMessage = Encoding.Default.GetString(n_State.p_Buffer, 0, n_ibtReadLength);
Console.WriteLine("来着客户端信息：{0}", n_sMessage);
//n_Socket_Receive.Disconnect(true);
Socket n_Socket_Send = new Socket(
AddressFamily.InterNetwork,
SocketType.Dgram,
ProtocolType.Udp);
//得到客户机IP
EndPoint n_EndPoint_Send = (EndPoint)(new IPEndPoint(IPAddress.Any, 0));
//EndPoint n_EndPoint_Send = (EndPoint)(new IPEndPoint(IPAddress.Parse("192.168.1.172"), 8003));
n_Socket_Send.Bind(n_EndPoint_Send);
n_Socket_Send.ReceiveTimeout = 60000;
n_Socket_Send.SendTimeout = 60000;
n_Socket_Send.ReceiveBufferSize = 1024 * 10000;
n_Socket_Send.SendBufferSize = 1024 * 10000;
n_Socket_Send.Ttl = 255;
//n_Socket_Send.NoDelay = true;
n_Socket_Send.MulticastLoopback = true;
//发送结束字符
byte[] n_btData = { 0x5A, 0x5A };
//向客户端发送信息
SendMeaage(n_Socket_Send, n_State.p_EndPoint, n_btData);
Class_Para n_Class_Para = new Class_Para();
n_Class_Para.p_EndPoint = n_State.p_EndPoint;
n_Class_Para.p_Socket_Send = n_Socket_Send;// n_State.p_Socket_Send;
m_iStartCounter++;
Console.WriteLine("第{0}个请求处理开始！", m_iStartCounter);
//进入线程
Thread n_Thread_Run = new Thread(m_Process);
n_Thread_Run.Start(n_Class_Para);
//回收
GC.Collect();
////
//m_Process(n_Class_Para);
////方法2 线程池
//ThreadPool.QueueUserWorkItem(new WaitCallback(m_Process), n_Class_Para);
}
catch (Exception e)
{
Console.WriteLine("发生异常！异常信息：");
Console.WriteLine(e.Message);
}
finally
{
////非常重要：继续异步接收
//socket.BeginReceiveFrom(
// state.Buffer, 0, state.Buffer.Length,
// SocketFlags.None,
// ref state.RemoteEP,
// EndReceiveFromCallback,
// state);
//事件状态终止
m_ManualResetEvent_ReceiveDone.Set();
}
}
/// <summary>
///
/// </summary>
public void SocketBeginReceive()
{
Socket n_Socket_Receive = null;
try
{
//线程池设置
ThreadPool.SetMinThreads(2, 2);
//线程池设置
ThreadPool.SetMaxThreads(500, 500);
//发送
n_Socket_Receive = new Socket(
AddressFamily.InterNetwork,
SocketType.Dgram,
ProtocolType.Udp);
//EndPoint n_EndPoint_Receive = new IPEndPoint(IPAddress.Parse("192.168.1.172"), 8002);
EndPoint n_EndPoint_Receive = new IPEndPoint(IPAddress.Any, 8002);
n_Socket_Receive.Bind(n_EndPoint_Receive);
n_Socket_Receive.ReceiveTimeout = 60000;
n_Socket_Receive.SendTimeout = 60000;
n_Socket_Receive.ReceiveBufferSize = 1024 * 10000;
n_Socket_Receive.SendBufferSize = 1024 * 10000;
//n_Socket_Receive.NoDelay = true;
n_Socket_Receive.MulticastLoopback = true;
n_Socket_Receive.Ttl = 255;
////启动异步接收
//Class_State n_Class_State = new Class_State(n_Socket_Receive);
//Socket n_Socket_Send = new Socket(
// AddressFamily.InterNetwork,
// SocketType.Dgram,
// ProtocolType.Udp);
////得到客户机IP
////EndPoint n_EndPoint_Send = (EndPoint)(new IPEndPoint(IPAddress.Any, 0));
//EndPoint n_EndPoint_Send = (EndPoint)(new IPEndPoint(IPAddress.Any, 8003));
//n_Socket_Send.Bind(n_EndPoint_Send);
//进入循环
while (true)
{
m_ManualResetEvent_ReceiveDone = new ManualResetEvent(false);
//启动异步接收
Class_State n_Class_State = new Class_State(n_Socket_Receive);
//调用接收回调函数
IAsyncResult n_IAsyncResult = n_Socket_Receive.BeginReceiveFrom(
n_Class_State.p_Buffer,
0,
n_Class_State.p_Buffer.Length,
SocketFlags.None,
ref n_Class_State.p_EndPoint,
EndReceiveFromCallback,
n_Class_State);
//阻止
bool n_bFlag = m_ManualResetEvent_ReceiveDone.WaitOne();
//回收
GC.Collect();
}
}
finally
{
try
{
if (n_Socket_Receive != null)
{
n_Socket_Receive.Close();
}
}
catch
{ }
}
}