public SipUA(SipUA o)
{
user = o.user;
ip = o.ip;
port = o.port;
radio = o.radio;
}
/// <summary>
///
/// </summary>
/// <param name="remote_ua"></param>
/// <returns></returns>
public bool SipPing(SipUA remote_ua)
{
using (UdpClient udpClient = new UdpClient(/*local_ua.port ?? 5060*/ 0))
{
// Actualizo el puerto local al seleccionado por la pila....
SipUA working_local_ua = new SipUA(local_ua);
working_local_ua.port = ((IPEndPoint)udpClient.Client.LocalEndPoint).Port;
udpClient.Client.ReceiveTimeout = timeout;
var to = new IPEndPoint(IPAddress.Parse(remote_ua.ip), remote_ua.port ?? 5060);
byte[] data = Encoding.ASCII.GetBytes(
(new SipOptionsRequest()
{
from = working_local_ua,
to = remote_ua,
CSeq = cseq.ToString("00000000")
}).Message);
cseq++;
try
{
IPEndPoint remoteEP = null;
udpClient.Client.ReceiveTimeout = timeout;
while (udpClient.Available > 0)
{
udpClient.Receive(ref remoteEP);
}
udpClient.Send(data, data.Length, to);
byte[] receivedData = udpClient.Receive(ref remoteEP);
remote_ua.last_response = new SipResponse(receivedData);
return(true);
}
catch (SocketException x)
{
NotifyException?.Invoke(remote_ua, x);
remote_ua.last_response = new SipResponse(null);
return(x.SocketErrorCode == SocketError.TimedOut ? false : true);
}
catch (Exception x)
{
NotifyException?.Invoke(remote_ua, x);
remote_ua.last_response = new SipResponse(null);
}
}
return(true);
}
/// <summary>
///
/// </summary>
/// <param name="UA"></param>
/// <param name="Timeout"></param>
public SipSupervisor(SipUA UA, int Timeout = 500)
{
local_ua = UA;
timeout = Timeout;
cseq = 1;
}