/// <summary>
/// データ受信イベント
/// </summary>
protected virtual void OnUDPDataReceived(UDPDataReceivedEventArgs e)
{
if (ReceiveEvent != null)
{
ReceiveEvent(this, e);
}
}
/// <summary>
/// ソケット受信時Callback
/// </summary>
/// <param name="AR"></param>
private void ReceiveCallback(IAsyncResult ar)
{
//IAsysncResultからUDPClientとIPEndPointを受け取る
UdpClient uc = ((UdpState)(ar.AsyncState)).client;
IPEndPoint iep = ((UdpState)(ar.AsyncState)).endPoint;
try
{
Byte[] receivedBytes = uc.EndReceive(ar, ref iep);
string receivedStr = Encoding.ASCII.GetString(receivedBytes);
UDPDataReceivedEventArgs args = new UDPDataReceivedEventArgs();
args.Address = iep.Address;
args.PortNumber = iep.Port;
args.Message = receivedStr;
OnUDPDataReceived(args);
//受信待ち再開
udpState.client.BeginReceive(new AsyncCallback(ReceiveCallback), udpState);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
/// <summary>
/// logTextBoxにUDPのEvent内容を追加する
/// </summary>
/// <param name="e"></param>
void AppendUdpEvent(UDPDataReceivedEventArgs e)
{
logTextBox.AppendText(e.Address + " : " + e.Message + Environment.NewLine);
}
private void OnUDPDataReceived(object sender, UDPDataReceivedEventArgs e)
{
Invoke(new AppendUdpEventDelegate(AppendUdpEvent), e);
}
