2 // System.Runtime.Remoting.Channels.Http.HttpRemotingHandlerFactory
5 // Martin Willemoes Hansen (mwh@sysrq.dk)
6 // Lluis Sanchez Gual (lluis@ximian.com)
8 // (C) 2003 Martin Willemoes Hansen
12 // Permission is hereby granted, free of charge, to any person obtaining
13 // a copy of this software and associated documentation files (the
14 // "Software"), to deal in the Software without restriction, including
15 // without limitation the rights to use, copy, modify, merge, publish,
16 // distribute, sublicense, and/or sell copies of the Software, and to
17 // permit persons to whom the Software is furnished to do so, subject to
18 // the following conditions:
20 // The above copyright notice and this permission notice shall be
21 // included in all copies or substantial portions of the Software.
23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
34 using System.Runtime.Remoting;
35 using System.Runtime.Remoting.Channels;
37 namespace System.Runtime.Remoting.Channels.Http
39 public class HttpRemotingHandlerFactory : IHttpHandlerFactory
41 static bool webConfigLoaded = false;
42 static HttpServerTransportSink transportSink = null;
44 public HttpRemotingHandlerFactory ()
48 public IHttpHandler GetHandler (HttpContext context,
54 ConfigureHttpChannel (context);
56 return new HttpRemotingHandler (transportSink);
59 void ConfigureHttpChannel (HttpContext context)
63 if (webConfigLoaded) return;
65 // Look for a channel that wants to receive http request
66 IChannelReceiverHook chook = null;
67 foreach (IChannel channel in ChannelServices.RegisteredChannels)
69 chook = channel as IChannelReceiverHook;
70 if (chook == null) continue;
72 if (chook.ChannelScheme != "http")
73 throw new RemotingException ("Only http channels are allowed when hosting remoting objects in a web server");
75 if (!chook.WantsToListen)
87 HttpChannel chan = new HttpChannel();
88 ChannelServices.RegisterChannel(chan);
92 // Register the uri for the channel. The channel uri includes the scheme, the
93 // host and the application path
95 string channelUrl = context.Request.Url.GetLeftPart(UriPartial.Authority);
96 channelUrl += context.Request.ApplicationPath;
97 chook.AddHookChannelUri (channelUrl);
99 transportSink = new HttpServerTransportSink (chook.ChannelSinkChain, null);
100 webConfigLoaded = true;
104 public void ReleaseHandler (IHttpHandler handler)