/// <summary>
/// Writes a request.
/// </summary>
/// <param name="header"></param>
/// <param name="requestStream"></param>
public void Write(ITransportHeaders header, Stream requestStream)
{
Stream bs = socket.GetStream();
MemoryStream m = new MemoryStream();
formatter.Serialize(m, header);
m.Position = 0;
byte[] bytes = BitConverter.GetBytes((int)m.Length);
bs.Write(bytes, 0, bytes.Length);
m.WriteTo(bs);
try
{
bytes = BitConverter.GetBytes((int)requestStream.Length);
bs.Write(bytes, 0, bytes.Length);
IpcChannelHelper.Copy(requestStream, bs);
}
catch
{
bs.Write(bytes, 0, bytes.Length);
}
bs.Flush();
}
/// <summary>
/// Creates a server channel.
/// </summary>
/// <param name="properties">The channel properties.</param>
/// <param name="provider">The sink provider.</param>
public IpcServerChannel(IDictionary properties, IServerChannelSinkProvider provider)
{
bool impersonate = false;
if (properties != null)
{
foreach (DictionaryEntry e in properties)
{
switch ((string)e.Key)
{
case "name":
channelName = (string)e.Value;
break;
case "priority":
channelPriority = Convert.ToInt32(e.Value);
break;
case "portName":
portName = (string)e.Value;
if (!IpcChannelHelper.IsValidPipeName(portName))
{
throw new ArgumentException("Invalid pipe name.", "portName");
}
break;
case "impersonate":
impersonate = Boolean.Parse((string)e.Value);
break;
}
}
}
if (portName == null)
{
portName = Guid.NewGuid().ToString("N");
}
serverProvider = provider;
if (serverProvider == null)
{
serverProvider = new BinaryServerFormatterSinkProvider();
}
dataStore = new ChannelDataStore(
new string[] { IpcChannelHelper.SchemeStart + portName }
);
PopulateChannelData(dataStore, serverProvider);
sink = new IpcServerChannelSink(
ChannelServices.CreateServerChannelSinkChain(serverProvider, this),
portName,
impersonate
);
StartListening(null);
}
public IpcClientChannelSink(string url)
{
string unused;
IpcChannelHelper.Parse(url, out pipeName, out unused);
}
public string Parse(string url, out string objectURI)
{
return(IpcChannelHelper.Parse(url, out objectURI));
}
void ProcessClient(object state)
{
try
{
NamedPipeSocket socket = (NamedPipeSocket)state;
ITransportHeaders requestHeaders;
Stream requestStream;
IpcTransport t = new IpcTransport(socket);
t.Read(out requestHeaders, out requestStream);
// parse the RequestUri
string objectUri;
string uri = (string)requestHeaders[CommonTransportKeys.RequestUri];
IpcChannelHelper.Parse(uri, out objectUri);
if (objectUri == null)
{
objectUri = uri;
}
requestHeaders[CommonTransportKeys.RequestUri] = objectUri;
ServerChannelSinkStack stack = new ServerChannelSinkStack();
stack.Push(this, null);
IMessage responseMsg;
ITransportHeaders responseHeaders;
Stream responseStream;
requestHeaders["__CustomErrorsEnabled"] = false;
if (impersonate)
{
// TODO: Impersonate might throw exceptions. What to do with them?
socket.Impersonate();
}
ServerProcessing op = nextSink.ProcessMessage(
stack,
null,
requestHeaders,
requestStream,
out responseMsg,
out responseHeaders,
out responseStream
);
if (impersonate)
{
NamedPipeSocket.RevertToSelf();
}
switch (op)
{
case ServerProcessing.Complete:
stack.Pop(this);
// send the response headers and the response data to the client
t.Write(responseHeaders, responseStream);
break;
case ServerProcessing.Async:
stack.StoreAndDispatch(nextSink, null);
break;
case ServerProcessing.OneWay:
break;
}
}
catch (Exception)
{
// Console.WriteLine(ex);
}
}
