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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 // This is a small utility that watches for and logs network changes. | |
6 | |
7 #include <string> | |
8 | |
9 #include "base/at_exit.h" | |
10 #include "base/basictypes.h" | |
11 #include "base/command_line.h" | |
12 #include "base/compiler_specific.h" | |
13 #include "base/json/json_writer.h" | |
14 #include "base/logging.h" | |
15 #include "base/memory/scoped_ptr.h" | |
16 #include "base/message_loop/message_loop.h" | |
17 #include "base/profiler/scoped_tracker.h" | |
18 #include "base/values.h" | |
19 #include "build/build_config.h" | |
20 #include "net/base/network_change_notifier.h" | |
21 #include "net/proxy/proxy_config.h" | |
22 #include "net/proxy/proxy_config_service.h" | |
23 #include "net/proxy/proxy_service.h" | |
24 | |
25 #if defined(USE_GLIB) && !defined(OS_CHROMEOS) | |
26 #include <glib-object.h> | |
27 #endif | |
28 | |
29 #if defined(OS_MACOSX) | |
30 #include "base/mac/scoped_nsautorelease_pool.h" | |
31 #endif | |
32 | |
33 namespace { | |
34 | |
35 // Conversions from various network-related types to string. | |
36 | |
37 const char* ConnectionTypeToString( | |
38 net::NetworkChangeNotifier::ConnectionType type) { | |
39 switch (type) { | |
40 case net::NetworkChangeNotifier::CONNECTION_UNKNOWN: | |
41 return "CONNECTION_UNKNOWN"; | |
42 case net::NetworkChangeNotifier::CONNECTION_ETHERNET: | |
43 return "CONNECTION_ETHERNET"; | |
44 case net::NetworkChangeNotifier::CONNECTION_WIFI: | |
45 return "CONNECTION_WIFI"; | |
46 case net::NetworkChangeNotifier::CONNECTION_2G: | |
47 return "CONNECTION_2G"; | |
48 case net::NetworkChangeNotifier::CONNECTION_3G: | |
49 return "CONNECTION_3G"; | |
50 case net::NetworkChangeNotifier::CONNECTION_4G: | |
51 return "CONNECTION_4G"; | |
52 case net::NetworkChangeNotifier::CONNECTION_NONE: | |
53 return "CONNECTION_NONE"; | |
54 case net::NetworkChangeNotifier::CONNECTION_BLUETOOTH: | |
55 return "CONNECTION_BLUETOOTH"; | |
56 default: | |
57 return "CONNECTION_UNEXPECTED"; | |
58 } | |
59 } | |
60 | |
61 std::string ProxyConfigToString(const net::ProxyConfig& config) { | |
62 scoped_ptr<base::Value> config_value(config.ToValue()); | |
63 std::string str; | |
64 base::JSONWriter::Write(config_value.get(), &str); | |
65 return str; | |
66 } | |
67 | |
68 const char* ConfigAvailabilityToString( | |
69 net::ProxyConfigService::ConfigAvailability availability) { | |
70 switch (availability) { | |
71 case net::ProxyConfigService::CONFIG_PENDING: | |
72 return "CONFIG_PENDING"; | |
73 case net::ProxyConfigService::CONFIG_VALID: | |
74 return "CONFIG_VALID"; | |
75 case net::ProxyConfigService::CONFIG_UNSET: | |
76 return "CONFIG_UNSET"; | |
77 default: | |
78 return "CONFIG_UNEXPECTED"; | |
79 } | |
80 } | |
81 | |
82 // The main observer class that logs network events. | |
83 class NetWatcher : | |
84 public net::NetworkChangeNotifier::IPAddressObserver, | |
85 public net::NetworkChangeNotifier::ConnectionTypeObserver, | |
86 public net::NetworkChangeNotifier::DNSObserver, | |
87 public net::NetworkChangeNotifier::NetworkChangeObserver, | |
88 public net::ProxyConfigService::Observer { | |
89 public: | |
90 NetWatcher() {} | |
91 | |
92 ~NetWatcher() override {} | |
93 | |
94 // net::NetworkChangeNotifier::IPAddressObserver implementation. | |
95 void OnIPAddressChanged() override { LOG(INFO) << "OnIPAddressChanged()"; } | |
96 | |
97 // net::NetworkChangeNotifier::ConnectionTypeObserver implementation. | |
98 void OnConnectionTypeChanged( | |
99 net::NetworkChangeNotifier::ConnectionType type) override { | |
100 LOG(INFO) << "OnConnectionTypeChanged(" | |
101 << ConnectionTypeToString(type) << ")"; | |
102 } | |
103 | |
104 // net::NetworkChangeNotifier::DNSObserver implementation. | |
105 void OnDNSChanged() override { LOG(INFO) << "OnDNSChanged()"; } | |
106 | |
107 // net::NetworkChangeNotifier::NetworkChangeObserver implementation. | |
108 void OnNetworkChanged( | |
109 net::NetworkChangeNotifier::ConnectionType type) override { | |
110 LOG(INFO) << "OnNetworkChanged(" | |
111 << ConnectionTypeToString(type) << ")"; | |
112 } | |
113 | |
114 // net::ProxyConfigService::Observer implementation. | |
115 void OnProxyConfigChanged( | |
116 const net::ProxyConfig& config, | |
117 net::ProxyConfigService::ConfigAvailability availability) override { | |
118 // TODO(pkasting): Remove ScopedTracker below once crbug.com/455942 is | |
119 // fixed. | |
120 tracked_objects::ScopedTracker tracking_profile( | |
121 FROM_HERE_WITH_EXPLICIT_FUNCTION( | |
122 "455942 NetWatcher::OnProxyConfigChanged")); | |
123 LOG(INFO) << "OnProxyConfigChanged(" | |
124 << ProxyConfigToString(config) << ", " | |
125 << ConfigAvailabilityToString(availability) << ")"; | |
126 } | |
127 | |
128 private: | |
129 DISALLOW_COPY_AND_ASSIGN(NetWatcher); | |
130 }; | |
131 | |
132 } // namespace | |
133 | |
134 int main(int argc, char* argv[]) { | |
135 #if defined(OS_MACOSX) | |
136 base::mac::ScopedNSAutoreleasePool pool; | |
137 #endif | |
138 #if defined(USE_GLIB) && !defined(OS_CHROMEOS) | |
139 // g_type_init will be deprecated in 2.36. 2.35 is the development | |
140 // version for 2.36, hence do not call g_type_init starting 2.35. | |
141 // http://developer.gnome.org/gobject/unstable/gobject-Type-Information.html#g
-type-init | |
142 #if !GLIB_CHECK_VERSION(2, 35, 0) | |
143 // Needed so ProxyConfigServiceLinux can use gconf. | |
144 // Normally handled by BrowserMainLoop::InitializeToolkit(). | |
145 g_type_init(); | |
146 #endif | |
147 #endif // defined(USE_GLIB) && !defined(OS_CHROMEOS) | |
148 base::AtExitManager exit_manager; | |
149 base::CommandLine::Init(argc, argv); | |
150 logging::LoggingSettings settings; | |
151 settings.logging_dest = logging::LOG_TO_SYSTEM_DEBUG_LOG; | |
152 logging::InitLogging(settings); | |
153 | |
154 // Just make the main message loop the network loop. | |
155 base::MessageLoopForIO network_loop; | |
156 | |
157 NetWatcher net_watcher; | |
158 | |
159 scoped_ptr<net::NetworkChangeNotifier> network_change_notifier( | |
160 net::NetworkChangeNotifier::Create()); | |
161 | |
162 // Use the network loop as the file loop also. | |
163 scoped_ptr<net::ProxyConfigService> proxy_config_service( | |
164 net::ProxyService::CreateSystemProxyConfigService( | |
165 network_loop.message_loop_proxy(), | |
166 network_loop.message_loop_proxy())); | |
167 | |
168 // Uses |network_change_notifier|. | |
169 net::NetworkChangeNotifier::AddIPAddressObserver(&net_watcher); | |
170 net::NetworkChangeNotifier::AddConnectionTypeObserver(&net_watcher); | |
171 net::NetworkChangeNotifier::AddDNSObserver(&net_watcher); | |
172 net::NetworkChangeNotifier::AddNetworkChangeObserver(&net_watcher); | |
173 | |
174 proxy_config_service->AddObserver(&net_watcher); | |
175 | |
176 LOG(INFO) << "Initial connection type: " | |
177 << ConnectionTypeToString( | |
178 network_change_notifier->GetCurrentConnectionType()); | |
179 | |
180 { | |
181 net::ProxyConfig config; | |
182 const net::ProxyConfigService::ConfigAvailability availability = | |
183 proxy_config_service->GetLatestProxyConfig(&config); | |
184 LOG(INFO) << "Initial proxy config: " | |
185 << ProxyConfigToString(config) << ", " | |
186 << ConfigAvailabilityToString(availability); | |
187 } | |
188 | |
189 LOG(INFO) << "Watching for network events..."; | |
190 | |
191 // Start watching for events. | |
192 network_loop.Run(); | |
193 | |
194 proxy_config_service->RemoveObserver(&net_watcher); | |
195 | |
196 // Uses |network_change_notifier|. | |
197 net::NetworkChangeNotifier::RemoveDNSObserver(&net_watcher); | |
198 net::NetworkChangeNotifier::RemoveConnectionTypeObserver(&net_watcher); | |
199 net::NetworkChangeNotifier::RemoveIPAddressObserver(&net_watcher); | |
200 net::NetworkChangeNotifier::RemoveNetworkChangeObserver(&net_watcher); | |
201 | |
202 return 0; | |
203 } | |
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