/// <summary>
/// 接收
/// </summary>
/// <returns></returns>
public byte[] LowLevelRecv(JustAdapter adapter)
{
//Console.WriteLine("接收到一个数据包");
List <UdpClient> sockets = adapter.TAG as List <UdpClient>;
byte[] buffer = null;
JustUdpBroadcastMessage msg = null;
adapter.LastEventType = JustEventType.Successful;
if (messages.Count > 0)
{
msg = this.messages.Dequeue();
this.recvEvent.Reset();
}
else
{
this.recvEvent.WaitOne();
msg = this.messages.Dequeue();
}
if (msg != null)
{
adapter.LastEventType = msg.Type;
buffer = msg.buffer;
}
return(buffer);
}
/// <summary>
/// 接收线程回掉
/// </summary>
/// <param name="ar"></param>
private void ReceiveCallback(IAsyncResult ar)
{
Console.WriteLine("ReceiveCallback");
UdpClient udpSocket = (UdpClient)ar.AsyncState;
JustUdpBroadcastMessage msg = new JustUdpBroadcastMessage();
IPEndPoint endport = new IPEndPoint(IPAddress.Any, 0);
UdpClient socket = (UdpClient)ar.AsyncState;
msg.Type = JustEventType.Successful;
try
{
//msg.buffer = udpSocket.Receive(ref endport);
msg.buffer = udpSocket.EndReceive(ar, ref endport);
}
catch (TimeoutException e)
{
Console.WriteLine(e);
msg.Type = JustEventType.Timeout;
}
catch (Exception e)
{
Console.WriteLine(e);
msg.Type = JustEventType.Unknow;
}
finally
{
this.messages.Enqueue(msg);
recvEvent.Set();
Console.WriteLine("收到包");
if (isStartRecv)
{
udpSocket.BeginReceive(ReceiveCallback, udpSocket);
}
}
}
/// <summary>
/// 接收线程回掉
/// </summary>
/// <param name="ar"></param>
private void ReceiveCallback(IAsyncResult ar)
{
Console.WriteLine("ReceiveCallback");
UdpClient udpSocket = (UdpClient)ar.AsyncState;
JustUdpBroadcastMessage msg = new JustUdpBroadcastMessage();
IPEndPoint endport = new IPEndPoint(IPAddress.Any, 0);
UdpClient socket = (UdpClient)ar.AsyncState;
msg.Type = JustEventType.Successful;
try
{
//msg.buffer = udpSocket.Receive(ref endport);
msg.buffer = udpSocket.EndReceive(ar, ref endport);
}
catch (TimeoutException e)
{
Console.WriteLine(e);
msg.Type = JustEventType.Timeout;
}
catch (Exception e)
{
Console.WriteLine(e);
msg.Type = JustEventType.Unknow;
}
finally
{
this.messages.Enqueue(msg);
recvEvent.Set();
Console.WriteLine("收到包");
if (isStartRecv)
{
udpSocket.BeginReceive(ReceiveCallback, udpSocket);
}
}
}
