mcs/class/System.ServiceModel/System.ServiceModel.Channels/HttpRequestContext.cs

   1 //
   2 // HttpRequestContext.cs
   3 //
   4 // Author:
   5 //      Atsushi Enomoto <atsushi@ximian.com>
   6 //
   7 // Copyright (C) 2006 Novell, Inc.  http://www.novell.com
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 using System.IO;
  30 using System.Net;
  31 using System.Threading;
  32
  33 namespace System.ServiceModel.Channels
  34 {
  35         internal class HttpRequestContext : HttpRequestContextBase
  36         {
  37                 HttpListenerContext ctx;
  38
  39                 public HttpRequestContext (
  40                         HttpReplyChannel channel,
  41                         Message msg, HttpListenerContext ctx)
  42                         : base (channel, msg)
  43                 {
  44                         if (ctx == null)
  45                                 throw new ArgumentNullException ("ctx");
  46                         this.ctx = ctx;
  47                 }
  48
  49                 public override void Abort ()
  50                 {
  51                         ctx.Response.Abort ();
  52                 }
  53
  54                 protected override void ProcessReply (Message msg, TimeSpan timeout)
  55                 {
  56                         if (msg == null)
  57                                 throw new ArgumentNullException ("msg");
  58
  59                         // FIXME: should this be done here?
  60                         if (channel.MessageVersion.Addressing.Equals (AddressingVersion.None))
  61                                 msg.Headers.Action = null; // prohibited
  62
  63                         MemoryStream ms = new MemoryStream ();
  64                         channel.Encoder.WriteMessage (msg, ms);
  65                         ctx.Response.ContentType = channel.Encoder.ContentType;
  66
  67                         string pname = HttpResponseMessageProperty.Name;
  68                         bool suppressEntityBody = false;
  69                         if (msg.Properties.ContainsKey (pname)) {
  70                                 HttpResponseMessageProperty hp = (HttpResponseMessageProperty) msg.Properties [pname];
  71                                 string contentType = hp.Headers ["Content-Type"];
  72                                 if (contentType != null)
  73                                         ctx.Response.ContentType = contentType;
  74                                 ctx.Response.Headers.Add (hp.Headers);
  75                                 if (hp.StatusCode != default (HttpStatusCode))
  76                                         ctx.Response.StatusCode = (int) hp.StatusCode;
  77                                 ctx.Response.StatusDescription = hp.StatusDescription;
  78                                 if (hp.SuppressEntityBody)
  79                                         suppressEntityBody = true;
  80                         }
  81                         if (!suppressEntityBody) {
  82                                 ctx.Response.ContentLength64 = ms.Length;
  83                                 ctx.Response.OutputStream.Write (ms.GetBuffer (), 0, (int) ms.Length);
  84                                 ctx.Response.OutputStream.Flush ();
  85                         }
  86                 }
  87
  88                 public override void Close (TimeSpan timeout)
  89                 {
  90                         ctx.Response.Close ();
  91                 }
  92         }
  93
  94         internal abstract class HttpRequestContextBase : RequestContext
  95         {
  96                 Message request;
  97                 internal HttpReplyChannel channel;
  98
  99                 public HttpRequestContextBase (
 100                         HttpReplyChannel channel,
 101                         Message request)
 102                 {
 103                         if (channel == null)
 104                                 throw new ArgumentNullException ("channel");
 105                         if (request == null)
 106                                 throw new ArgumentNullException ("request");
 107                         this.channel = channel;
 108                         this.request = request;
 109                 }
 110
 111                 public override Message RequestMessage {
 112                         get { return request; }
 113                 }
 114
 115                 public HttpReplyChannel Channel {
 116                         get { return channel; }
 117                 }
 118
 119                 protected abstract void ProcessReply (Message msg, TimeSpan timeout);
 120
 121                 public override IAsyncResult BeginReply (
 122                         Message msg, AsyncCallback callback, object state)
 123                 {
 124                         return BeginReply (msg,
 125                                 channel.DefaultSendTimeout,
 126                                 callback, state);
 127                 }
 128
 129                 Action<Message,TimeSpan> reply_delegate;
 130
 131                 public override IAsyncResult BeginReply (
 132                         Message msg, TimeSpan timeout,
 133                         AsyncCallback callback, object state)
 134                 {
 135                         if (reply_delegate == null)
 136                                 reply_delegate = new Action<Message,TimeSpan> (Reply);
 137                         return reply_delegate.BeginInvoke (msg, timeout, callback, state);
 138                 }
 139
 140                 public override void EndReply (IAsyncResult result)
 141                 {
 142                         if (result == null)
 143                                 throw new ArgumentNullException ("result");
 144                         if (reply_delegate == null)
 145                                 throw new InvalidOperationException ("reply operation has not started");
 146                         reply_delegate.EndInvoke (result);
 147                 }
 148
 149                 public override void Reply (Message msg)
 150                 {
 151                         Reply (msg, channel.DefaultSendTimeout);
 152                 }
 153
 154                 public override void Reply (Message msg, TimeSpan timeout)
 155                 {
 156                         ProcessReply (msg, timeout);
 157                 }
 158
 159                 public override void Close ()
 160                 {
 161                         Close (channel.DefaultSendTimeout);
 162                 }
 163         }
 164 }