private UdpSocket GetSendSocketUsingInterfaceIndex(MessageProperties properties, out Exception exceptionToBeThrown)
{
NetworkInterfaceMessageProperty property;
UdpSocket socket = null;
exceptionToBeThrown = null;
if (!NetworkInterfaceMessageProperty.TryGet(properties, out property))
{
if (this.SendSockets.Length > 1)
{
// this property is required on all messages sent from the channel listener.
// the client channel does not use this method to get the send SendSockets or the
// remote endpoint, so it is safe to throw...
exceptionToBeThrown = new InvalidOperationException(SR.NetworkInterfaceMessagePropertyMissing(typeof(NetworkInterfaceMessageProperty)));
}
else
{
// there is only one socket, so just send it on that one.
socket = this.SendSockets[0];
}
}
else
{
socket = this.GetSendSocket(property.InterfaceIndex, out exceptionToBeThrown);
}
return(socket);
}
public UdpRequestContext(UdpOutputChannel outputChannel, Message requestMessage)
: base(requestMessage, outputChannel.InternalCloseTimeout, outputChannel.InternalSendTimeout)
{
Fx.Assert(outputChannel != null, "replyChannel can't be null");
this.outputChannel = outputChannel;
if (!NetworkInterfaceMessageProperty.TryGet(requestMessage, out this.networkInterfaceMessageProperty))
{
Fx.Assert("requestMessage must always contain NetworkInterfaceMessageProperty");
}
RemoteEndpointMessageProperty remoteEndpointMessageProperty;
if (!requestMessage.Properties.TryGetValue(RemoteEndpointMessageProperty.Name, out remoteEndpointMessageProperty))
{
Fx.Assert("requestMessage must always contain RemoteEndpointMessageProperty");
}
UriBuilder uriBuilder = new UriBuilder(UdpConstants.Scheme, remoteEndpointMessageProperty.Address, remoteEndpointMessageProperty.Port);
this.via = uriBuilder.Uri;
}
