/// <summary>
/// 接收回调函数
/// </summary>
/// <param name="i_IAsyncResult"></param>
private void m_ReceiveCallback(IAsyncResult i_IAsyncResult)
{
//转换
Class_UdpState n_UdpState_Receive = i_IAsyncResult.AsyncState as Class_UdpState;
//定义IPEndPoint变量
IPEndPoint n_IPEndPoint = m_IPEndPoint_Local;
//如果完成
if (i_IAsyncResult.IsCompleted)
{
byte[] n_btReceive = n_UdpState_Receive.p_UdpClient_Receive.EndReceive(i_IAsyncResult, ref n_IPEndPoint); //m_UdpState_Receive.p_IPEndPoint
////
//Thread.Sleep(5000);
n_UdpState_Receive.p_IPEndPoint_Local = n_IPEndPoint;
string n_sReceive = string.Empty;// Encoding.Default.GetString(n_btReceive);
for (int i = 0; i < n_btReceive.Length; i++)
{
n_sReceive = n_sReceive + n_btReceive[i].ToString("X2");
}
Console.WriteLine("Received: {0}", n_sReceive);
//事件状态终止
m_ManualResetEvent_ReceiveDone.Set();
//执行发送
m_SendMessage(n_UdpState_Receive.p_IPEndPoint_Local);
}
}
/// <summary>
/// 发送回调函数
/// </summary>
/// <param name="i_IAsyncResult"></param>
private void m_SendCallback(IAsyncResult i_IAsyncResult)
{
Class_UdpState m_UdpState_Send = i_IAsyncResult.AsyncState as Class_UdpState;
Console.WriteLine("第{0}个请求处理完毕！", m_UdpState_Send.p_iCounter);
Console.WriteLine("number of bytes sent: {0}", m_UdpState_Send.p_UdpClient_Receive.EndSend(i_IAsyncResult));
Console.WriteLine("执行效率: " + ((m_UdpState_Send.p_iCounter) / (m_Stopwatch.ElapsedMilliseconds / 1000.0f)).ToString("F2") + "个/秒"); //(单位:秒)
m_ManualResetEvent_SendDone.Set();
}
/// <summary>
/// 主调用函数
/// </summary>
public void p_ReceiveMessage()
{
Start:
//实例化udpSendState
m_UdpState_Receive = new Class_UdpState();
//
m_UdpState_Receive.p_UdpClient_Receive = m_UdpClient_Receive;
////
//m_UdpState_Receive.p_UdpClient_Receive.Ttl = 100;
//
m_UdpState_Receive.p_IPEndPoint_Local = m_IPEndPoint_Local;
//
Console.WriteLine("listening for messages");
//进入循环
while (true)
{
lock (this)
{
try
{
////时钟停止计时
//m_Stopwatch.Stop();
//日志加载
//Console.WriteLine("总执行时间为: " + (m_Stopwatch.ElapsedMilliseconds / 1000.0f).ToString("F3") + "秒"); //(单位:秒)
//定义ManualResetEvent 类的实例 必须有该代码 否则循环会无限制执行 造成CPU占用率过高
m_ManualResetEvent_ReceiveDone = new ManualResetEvent(false);
//调用接收回调函数
IAsyncResult n_IAsyncResult = m_UdpClient_Receive.BeginReceive(new AsyncCallback(m_ReceiveCallback), m_UdpState_Receive);
//阻止
bool n_bFlag = m_ManualResetEvent_ReceiveDone.WaitOne();
//延时
Thread.Sleep(1);
//回收
GC.Collect();
}
catch
{
goto Start;
}
}
}
}
/// <summary>
/// 构造函数
/// </summary>
public Class_AsyncUdpSever()
{
// 本机节点
m_IPEndPoint_Local = new IPEndPoint(IPAddress.Any, m_iPort_Listen);
// 远程节点
m_IPEndPoint_Remote = new IPEndPoint(IPAddress.Parse("192.168.1.221"), m_iPort_Remote);//Dns.GetHostAddresses(Dns.GetHostName())[0]
// 实例化
m_UdpClient_Receive = new UdpClient(m_IPEndPoint_Local);
m_UdpClient_Send = new UdpClient();
//实例化udpSendState
m_UdpState_Receive = new Class_UdpState();
m_UdpState_Receive.p_UdpClient_Receive = m_UdpClient_Receive;
m_UdpState_Receive.p_IPEndPoint_Local = m_IPEndPoint_Local;
//实例化udpReceiveState
m_UdpState_Send = new Class_UdpState();
m_UdpState_Send.p_UdpClient_Receive = m_UdpClient_Send;
m_UdpState_Send.p_IPEndPoint_Local = m_IPEndPoint_Remote;
//时钟计时开始
m_Stopwatch.Start();
}
