1/*
2 *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
3 *
4 *  Use of this source code is governed by a BSD-style license
5 *  that can be found in the LICENSE file in the root of the source
6 *  tree. An additional intellectual property rights grant can be found
7 *  in the file PATENTS.  All contributing project authors may
8 *  be found in the AUTHORS file in the root of the source tree.
9 */
10
11#ifndef WEBRTC_BASE_AUTODETECTPROXY_H_
12#define WEBRTC_BASE_AUTODETECTPROXY_H_
13
14#include <string>
15
16#include "webrtc/base/constructormagic.h"
17#include "webrtc/base/cryptstring.h"
18#include "webrtc/base/proxydetect.h"
19#include "webrtc/base/proxyinfo.h"
20#include "webrtc/base/signalthread.h"
21
22namespace rtc {
23
24///////////////////////////////////////////////////////////////////////////////
25// AutoDetectProxy
26///////////////////////////////////////////////////////////////////////////////
27
28class AsyncResolverInterface;
29class AsyncSocket;
30
31class AutoDetectProxy : public SignalThread {
32 public:
33  explicit AutoDetectProxy(const std::string& user_agent);
34
35  const ProxyInfo& proxy() const { return proxy_; }
36
37  void set_server_url(const std::string& url) {
38    server_url_ = url;
39  }
40  void set_proxy(const SocketAddress& proxy) {
41    proxy_.type = PROXY_UNKNOWN;
42    proxy_.address = proxy;
43  }
44  void set_auth_info(bool use_auth, const std::string& username,
45                     const CryptString& password) {
46    if (use_auth) {
47      proxy_.username = username;
48      proxy_.password = password;
49    }
50  }
51  // Default implementation of GetProxySettingsForUrl. Override for special
52  // implementation.
53  virtual bool GetProxyForUrl(const char* agent, const char* url,
54                              rtc::ProxyInfo* proxy) {
55    return GetProxySettingsForUrl(agent, url, proxy, true);
56  }
57  enum { MSG_TIMEOUT = SignalThread::ST_MSG_FIRST_AVAILABLE,
58         MSG_UNRESOLVABLE,
59         ADP_MSG_FIRST_AVAILABLE};
60
61 protected:
62  virtual ~AutoDetectProxy();
63
64  // SignalThread Interface
65  virtual void DoWork();
66  virtual void OnMessage(Message *msg);
67
68  void Next();
69  void Complete(ProxyType type);
70
71  void OnConnectEvent(AsyncSocket * socket);
72  void OnReadEvent(AsyncSocket * socket);
73  void OnCloseEvent(AsyncSocket * socket, int error);
74  void OnResolveResult(AsyncResolverInterface* resolver);
75  bool DoConnect();
76
77 private:
78  std::string agent_;
79  std::string server_url_;
80  ProxyInfo proxy_;
81  AsyncResolverInterface* resolver_;
82  AsyncSocket* socket_;
83  int next_;
84
85  DISALLOW_IMPLICIT_CONSTRUCTORS(AutoDetectProxy);
86};
87
88}  // namespace rtc
89
90#endif  // WEBRTC_BASE_AUTODETECTPROXY_H_
91