/// <summary>
/// <param name="remoteIpAddress">远程服务器地址</param>
/// <param name="remotePort">远程端口</param>
/// <param name="localPort">本地端口</param>
/// </summary>
public AsyncUdpClient(IPAddress remoteIpAddress, int remotePort, int localPort)
{
receiveUdpState = new UdpState(new UdpClient(), new IPEndPoint(remoteIpAddress, remotePort));
sendUdpState = new UdpState(new UdpClient(new IPEndPoint(IPAddress.Any, localPort)), new IPEndPoint(IPAddress.Any, localPort));
sendUdpState.Client.Connect(sendUdpState.EndPoint);
BeginReceiveData();
}
public void DefaultSendCallback(IAsyncResult asyncResult)
{
UdpState state = asyncResult.AsyncState as UdpState;
if (asyncResult.IsCompleted)
{
int sendSize = state.Client.EndSend(asyncResult);
SendCallBack?.Invoke(sendSize);
}
}
public void DefaultReceiveCallback(IAsyncResult asyncResult)
{
UdpState state = asyncResult.AsyncState as UdpState;
if (asyncResult.IsCompleted)
{
Byte[] receiveBytes = state.Client.EndReceive(asyncResult, ref state.EndPoint);
if (ReceiveCallBack == null || !ReceiveCallBack(receiveBytes))
{
BeginReceiveData();
}
}
}
