2 // System.Net.ResponseStream
5 // Gonzalo Paniagua Javier (gonzalo@novell.com)
7 // Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
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:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
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.
30 using System.Net.Sockets;
32 using System.Runtime.InteropServices;
33 namespace System.Net {
34 // FIXME: Does this buffer the response until Close?
35 // What happens when we set content-length to X and write X-1 bytes then close?
36 // what if we don't set content-length at all?
37 class ResponseStream : NetworkStream
39 HttpListenerResponse response;
44 internal ResponseStream (Socket sock, HttpListenerResponse response, bool ignore_errors) :
47 this.response = response;
48 this.ignore_errors = ignore_errors;
51 public override bool CanRead {
55 public override bool CanSeek {
59 public override bool CanWrite {
63 public override long Length {
64 get { throw new NotSupportedException (); }
67 public override long Position {
68 get { throw new NotSupportedException (); }
69 set { throw new NotSupportedException (); }
73 public override void Close ()
75 if (disposed == false) {
77 if (response.SendChunked && !trailer_sent) {
78 WriteChunkSize (0, true);
85 public override void Flush ()
89 static byte [] crlf = new byte [] { 13, 10 };
90 void WriteChunkSize (int size, bool final)
92 string str = String.Format ("{0:x}\r\n{1}", size, final ? "\r\n" : "");
93 byte [] b = Encoding.ASCII.GetBytes (str);
94 base.Write (b, 0, b.Length);
97 internal void InternalWrite (byte [] buffer, int offset, int count)
101 base.Write (buffer, offset, count);
104 base.Write (buffer, offset, count);
108 public override void Write (byte [] buffer, int offset, int count)
111 throw new ObjectDisposedException (GetType ().ToString ());
113 if (response.HeadersSent == false)
114 response.SendHeaders ();
116 bool chunked = response.SendChunked;
119 WriteChunkSize (count, false);
121 InternalWrite (buffer, offset, count);
124 base.Write (crlf, 0, 2);
128 public override IAsyncResult BeginWrite (byte [] buffer, int offset, int count,
129 AsyncCallback cback, object state)
132 throw new ObjectDisposedException (GetType ().ToString ());
134 if (response.HeadersSent == false)
135 response.SendHeaders ();
138 if (response.SendChunked)
139 WriteChunkSize (count, false);
141 return base.BeginWrite (buffer, offset, count, cback, state);
144 public override void EndWrite (IAsyncResult ares)
147 throw new ObjectDisposedException (GetType ().ToString ());
151 base.EndWrite (ares);
152 if (response.SendChunked)
153 base.Write (crlf, 0, 2);
156 base.EndWrite (ares);
157 if (response.SendChunked)
158 base.Write (crlf, 0, 2);
162 public override int Read ([In,Out] byte[] buffer, int offset, int count)
164 throw new NotSupportedException ();
167 public override IAsyncResult BeginRead (byte [] buffer, int offset, int count,
168 AsyncCallback cback, object state)
170 throw new NotSupportedException ();
173 public override int EndRead (IAsyncResult ares)
175 throw new NotSupportedException ();
178 public override long Seek (long offset, SeekOrigin origin)
180 throw new NotSupportedException ();
183 public override void SetLength (long value)
185 throw new NotSupportedException ();