public UdpClientChannel(IDictionary properties, IClientChannelSinkProvider provider)
{
ChannelName = properties.GetValue("name", UdpChannelHelper.DefaultName);
ChannelPriority = properties.GetValue("priority", UdpChannelHelper.DefaultPriority);
ClientSinkProvider = provider ?? UdpChannelHelper.CreateClientSinkProvider();
SetupClientProviderChain(ClientSinkProvider, new UdpClientChannelSinkProvider());
}
public UdpServerChannel(IDictionary properties, IServerChannelSinkProvider provider)
{
ChannelName = properties.GetValue("name", UdpChannelHelper.DefaultName);
ChannelPriority = properties.GetValue("priority", UdpChannelHelper.DefaultPriority);
MachineName = properties.GetValue("machineName", Dns.GetHostName());
Port = properties.GetValue("port", UdpChannelHelper.DefaultPort);
ChannelDataStore = UdpChannelHelper.CreateChannelDataStore(MachineName, Port);
ServerSinkProvider = provider ?? UdpChannelHelper.CreateServerSinkProvider();
SetupServerSinkChain(ServerSinkProvider);
StartListening(null);
}
void ProcessMessage(IPEndPoint remote, ITransportHeaders requestHeaders, Stream requestStream)
{
// parse request uri
var url = requestHeaders[CommonTransportKeys.RequestUri].ToString();
string objectUri;
UdpChannelHelper.Parse(url, out objectUri);
objectUri = objectUri ?? url;
requestHeaders[CommonTransportKeys.RequestUri] = objectUri;
IMessage responseMsg;
ITransportHeaders responseHeaders;
Stream responseStream;
// process message
var stack = new ServerChannelSinkStack();
stack.Push(this, null);
var operation = NextChannelSink.ProcessMessage(stack, null, requestHeaders, requestStream,
out responseMsg, out responseHeaders, out responseStream);
switch (operation)
{
case ServerProcessing.Complete:
stack.Pop(this);
var transport = new UdpTransport(new UdpClient());
transport.Write(responseHeaders, responseStream, remote);
break;
case ServerProcessing.Async:
stack.StoreAndDispatch(NextChannelSink, null);
break;
case ServerProcessing.OneWay:
break;
}
}
public string Parse(string url, out string objectURI)
{
return(UdpChannelHelper.Parse(url, out objectURI));
}