source: trunk/packages/invirt-vnc-client/HTTPConnectSocket.java @ 3026

Last change on this file since 3026 was 1334, checked in by broder, 16 years ago

sipb-xen-vnc-client -> invirt-vnc-client

File size: 1.9 KB
Line 
1//
2//  Copyright (C) 2002 Constantin Kaplinsky, Inc.  All Rights Reserved.
3//
4//  This is free software; you can redistribute it and/or modify
5//  it under the terms of the GNU General Public License as published by
6//  the Free Software Foundation; either version 2 of the License, or
7//  (at your option) any later version.
8//
9//  This software is distributed in the hope that it will be useful,
10//  but WITHOUT ANY WARRANTY; without even the implied warranty of
11//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12//  GNU General Public License for more details.
13//
14//  You should have received a copy of the GNU General Public License
15//  along with this software; if not, write to the Free Software
16//  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
17//  USA.
18//
19
20//
21// HTTPConnectSocket.java together with HTTPConnectSocketFactory.java
22// implement an alternate way to connect to VNC servers via one or two
23// HTTP proxies supporting the HTTP CONNECT method.
24//
25
26import java.net.*;
27import java.io.*;
28
29class HTTPConnectSocket extends Socket {
30
31  public HTTPConnectSocket(String host, int port,
32                           String proxyHost, int proxyPort)
33    throws IOException {
34
35    // Connect to the specified HTTP proxy
36    super(proxyHost, proxyPort);
37
38    // Send the CONNECT request
39    getOutputStream().write(("CONNECT " + host + ":" + port +
40                             " HTTP/1.0\r\n\r\n").getBytes());
41
42    // Read the first line of the response
43    DataInputStream is = new DataInputStream(getInputStream());
44    String str = is.readLine();
45
46    // Check the HTTP error code -- it should be "200" on success
47    if (!str.startsWith("HTTP/1.0 200 ")) {
48      if (str.startsWith("HTTP/1.0 "))
49        str = str.substring(9);
50      throw new IOException("Proxy reports \"" + str + "\"");
51    }
52
53    // Success -- skip remaining HTTP headers
54    do {
55      str = is.readLine();
56    } while (str.length() != 0);
57  }
58}
59
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