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 public HttpRemotingHandlerFactory ()
45 private static HttpRemotingHandlerFactoryData CurrentHttpRemotingHandlerFactoryData
49 HttpRemotingHandlerFactoryData res = (HttpRemotingHandlerFactoryData)AppDomain.CurrentDomain.GetData("HttpRemotingHandlerFactory");
52 res = new HttpRemotingHandlerFactoryData();
53 AppDomain.CurrentDomain.SetData("HttpRemotingHandlerFactory", res);
59 public IHttpHandler GetHandler (HttpContext context,
64 if (!CurrentHttpRemotingHandlerFactoryData.webConfigLoaded)
65 ConfigureHttpChannel (context);
67 return new HttpRemotingHandler (CurrentHttpRemotingHandlerFactoryData.transportSink);
70 void ConfigureHttpChannel (HttpContext context)
74 if (CurrentHttpRemotingHandlerFactoryData.webConfigLoaded) return;
76 // Look for a channel that wants to receive http request
77 IChannelReceiverHook chook = null;
78 foreach (IChannel channel in ChannelServices.RegisteredChannels)
80 chook = channel as IChannelReceiverHook;
81 if (chook == null) continue;
83 if (chook.ChannelScheme != "http")
84 throw new RemotingException ("Only http channels are allowed when hosting remoting objects in a web server");
86 if (!chook.WantsToListen)
98 HttpChannel chan = new HttpChannel();
99 ChannelServices.RegisterChannel(chan);
103 // Register the uri for the channel. The channel uri includes the scheme, the
104 // host and the application path
106 string channelUrl = context.Request.Url.GetLeftPart(UriPartial.Authority);
107 channelUrl += context.Request.ApplicationPath;
108 chook.AddHookChannelUri (channelUrl);
110 CurrentHttpRemotingHandlerFactoryData.transportSink = new HttpServerTransportSink (chook.ChannelSinkChain, null);
112 CurrentHttpRemotingHandlerFactoryData.webConfigLoaded = true;
116 public void ReleaseHandler (IHttpHandler handler)
121 internal class HttpRemotingHandlerFactoryData
124 internal bool webConfigLoaded = false;
125 internal HttpServerTransportSink transportSink = null;