1/*
2 * libjingle
3 * Copyright 2004--2010, Google Inc.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 *  1. Redistributions of source code must retain the above copyright notice,
9 *     this list of conditions and the following disclaimer.
10 *  2. Redistributions in binary form must reproduce the above copyright notice,
11 *     this list of conditions and the following disclaimer in the documentation
12 *     and/or other materials provided with the distribution.
13 *  3. The name of the author may not be used to endorse or promote products
14 *     derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#ifndef TALK_BASE_ASYNCHTTPREQUEST_H_
29#define TALK_BASE_ASYNCHTTPREQUEST_H_
30
31#include <string>
32#include "talk/base/event.h"
33#include "talk/base/httpclient.h"
34#include "talk/base/signalthread.h"
35#include "talk/base/socketpool.h"
36#include "talk/base/sslsocketfactory.h"
37
38namespace talk_base {
39
40class FirewallManager;
41
42///////////////////////////////////////////////////////////////////////////////
43// AsyncHttpRequest
44// Performs an HTTP request on a background thread.  Notifies on the foreground
45// thread once the request is done (successfully or unsuccessfully).
46///////////////////////////////////////////////////////////////////////////////
47
48class AsyncHttpRequest : public SignalThread {
49 public:
50  explicit AsyncHttpRequest(const std::string &user_agent);
51  ~AsyncHttpRequest();
52
53  void set_proxy(const ProxyInfo& proxy) {
54    proxy_ = proxy;
55  }
56  void set_firewall(FirewallManager * firewall) {
57    firewall_ = firewall;
58  }
59
60  // The DNS name of the host to connect to.
61  const std::string& host() { return host_; }
62  void set_host(const std::string& host) { host_ = host; }
63
64  // The port to connect to on the target host.
65  int port() { return port_; }
66  void set_port(int port) { port_ = port; }
67
68  // Whether the request should use SSL.
69  bool secure() { return secure_; }
70  void set_secure(bool secure) { secure_ = secure; }
71
72  // Time to wait on the download, in ms.
73  int timeout() { return timeout_; }
74  void set_timeout(int timeout) { timeout_ = timeout; }
75
76  // Fail redirects to allow analysis of redirect urls, etc.
77  bool fail_redirect() const { return fail_redirect_; }
78  void set_fail_redirect(bool redirect) { fail_redirect_ = redirect; }
79
80  // Returns the redirect when redirection occurs
81  const std::string& response_redirect() { return response_redirect_; }
82
83  HttpRequestData& request() { return client_.request(); }
84  HttpResponseData& response() { return client_.response(); }
85  HttpErrorType error() { return error_; }
86
87 protected:
88  void set_error(HttpErrorType error) { error_ = error; }
89  virtual void OnWorkStart();
90  virtual void OnWorkStop();
91  void OnComplete(HttpClient* client, HttpErrorType error);
92  virtual void OnMessage(Message* message);
93  virtual void DoWork();
94
95 private:
96  ProxyInfo proxy_;
97  FirewallManager* firewall_;
98  std::string host_;
99  int port_;
100  bool secure_;
101  int timeout_;
102  bool fail_redirect_;
103  SslSocketFactory factory_;
104  ReuseSocketPool pool_;
105  HttpClient client_;
106  HttpErrorType error_;
107  std::string response_redirect_;
108};
109
110}  // namespace talk_base
111
112#endif  // TALK_BASE_ASYNCHTTPREQUEST_H_
113