public void Send(SipMessage message)
{
using (TimedLock.Lock(transport))
{
if (sendPending)
{
sendQueue.Enqueue(message);
return;
}
try
{
var packet = message.ToArray();
sock.BeginSendAll(packet, 0, packet.Length, SocketFlags.None, onSend, null);
sendPending = true;
}
catch (SocketException)
{
CloseAndRemove();
}
catch (Exception e)
{
SysLog.LogException(e);
}
}
}
/// <summary>
/// Asynchronously transmits the message passed to the destination
/// indicated by the <see paramref="remoteEP" /> parameter.
/// </summary>
/// <param name="remoteEP">The destination SIP endpoint's <see cref="NetworkBinding" />.</param>
/// <param name="message">The <see cref="SipMessage" /> to be transmitted.</param>
/// <exception cref="SipTransportException">Thrown if the remote endpoint rejected the message or timed out.</exception>
public void Send(NetworkBinding remoteEP, SipMessage message)
{
if (disabled)
{
return;
}
if ((traceMode & SipTraceMode.Send) != 0)
{
SipHelper.Trace(string.Format("UDP: sending to {0}", remoteEP), message);
}
try
{
sock.SendTo(message.ToArray(), remoteEP);
}
catch (SocketException e)
{
// $todo(jeff.lill):
//
// This is just copied from the TCP transport. It probably
// doesn't apply here.
switch ((SocketError)e.ErrorCode)
{
case SocketError.ConnectionAborted:
case SocketError.ConnectionRefused:
case SocketError.ConnectionReset:
case SocketError.HostDown:
case SocketError.HostNotFound:
case SocketError.HostUnreachable:
throw new SipTransportException(SipTransportException.ErrorType.Rejected, e.Message, e);
case SocketError.TimedOut:
throw new SipTransportException(SipTransportException.ErrorType.Timeout, e.Message, e);
default:
throw;
}
}
}