Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 1 | // Copyright (c) 2010 The Chromium OS 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 | #include "metrics_daemon.h" |
| 6 | #include "metrics_library.h" |
| 7 | |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame^] | 8 | #include <dbus/dbus-glib-lowlevel.h> |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 9 | |
| 10 | #include <base/logging.h> |
| 11 | |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame^] | 12 | #define SAFE_MESSAGE(e) (e.message ? e.message : "unknown error") |
| 13 | #define DBUS_IFACE_CONNMAN_MANAGER "org.moblin.connman.Manager" |
| 14 | #define DBUS_IFACE_POWER_MANAGER "org.chromium.Power.Manager" |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 15 | |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame^] | 16 | // static |
| 17 | const char* |
| 18 | MetricsDaemon::dbus_matches_[] = { |
| 19 | "type='signal'," |
| 20 | "sender='org.moblin.connman'," |
| 21 | "interface='" DBUS_IFACE_CONNMAN_MANAGER "'," |
| 22 | "path='/'," |
| 23 | "member='StateChanged'", |
| 24 | |
| 25 | "type='signal'," |
| 26 | "interface='" DBUS_IFACE_POWER_MANAGER "'," |
| 27 | "path='/'," |
| 28 | "member='PowerStateChanged'", |
| 29 | }; |
| 30 | |
| 31 | // static |
| 32 | const char * |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 33 | MetricsDaemon::network_states_[MetricsDaemon::kNumberNetworkStates] = { |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame^] | 34 | #define STATE(name, capname) #name, |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 35 | #include "network_states.h" |
| 36 | }; |
| 37 | |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame^] | 38 | // static |
| 39 | const char * |
| 40 | MetricsDaemon::power_states_[MetricsDaemon::kNumberPowerStates] = { |
| 41 | #define STATE(name, capname) #name, |
| 42 | #include "power_states.h" |
| 43 | }; |
| 44 | |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 45 | void MetricsDaemon::Run(bool run_as_daemon, bool testing) { |
| 46 | Init(testing); |
| 47 | if (!run_as_daemon || daemon(0, 0) == 0) { |
| 48 | Loop(); |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | void MetricsDaemon::Init(bool testing) { |
| 53 | testing_ = testing; |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame^] | 54 | network_state_ = kUnknownNetworkState; |
| 55 | network_state_changed_ = 0; |
| 56 | power_state_ = kUnknownPowerState; |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 57 | |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame^] | 58 | g_thread_init(NULL); |
| 59 | g_type_init(); |
| 60 | dbus_g_thread_init(); |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 61 | |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame^] | 62 | DBusError error; |
| 63 | dbus_error_init(&error); |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 64 | |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame^] | 65 | DBusConnection *connection = dbus_bus_get(DBUS_BUS_SYSTEM, &error); |
| 66 | LOG_IF(FATAL, dbus_error_is_set(&error)) << |
| 67 | "No D-Bus connection: " << SAFE_MESSAGE(error); |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 68 | |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame^] | 69 | dbus_connection_setup_with_g_main(connection, NULL); |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 70 | |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame^] | 71 | // Registers D-Bus matches for the signals we would like to catch. |
| 72 | for (unsigned int m = 0; m < sizeof(dbus_matches_) / sizeof(char *); m++) { |
| 73 | const char* match = dbus_matches_[m]; |
| 74 | LOG(INFO) << "adding dbus match: " << match; |
| 75 | dbus_bus_add_match(connection, match, &error); |
| 76 | LOG_IF(FATAL, dbus_error_is_set(&error)) << |
| 77 | "unable to add a match: " << SAFE_MESSAGE(error); |
| 78 | } |
| 79 | |
| 80 | // Adds the D-Bus filter routine to be called back whenever one of |
| 81 | // the registered D-Bus matches is successful. The daemon is not |
| 82 | // activated for D-Bus messages that don't match. |
| 83 | CHECK(dbus_connection_add_filter(connection, MessageFilter, this, NULL)); |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 84 | } |
| 85 | |
| 86 | void MetricsDaemon::Loop() { |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame^] | 87 | GMainLoop* loop = g_main_loop_new(NULL, false); |
| 88 | g_main_loop_run(loop); |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 89 | } |
| 90 | |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame^] | 91 | // static |
| 92 | DBusHandlerResult MetricsDaemon::MessageFilter(DBusConnection* connection, |
| 93 | DBusMessage* message, |
| 94 | void* user_data) { |
| 95 | LOG(INFO) << "message filter"; |
| 96 | |
| 97 | int message_type = dbus_message_get_type(message); |
| 98 | if (message_type != DBUS_MESSAGE_TYPE_SIGNAL) { |
| 99 | LOG(WARNING) << "unexpected message type " << message_type; |
| 100 | return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; |
| 101 | } |
| 102 | |
| 103 | // Signal messages always have interfaces. |
| 104 | const char* interface = dbus_message_get_interface(message); |
| 105 | CHECK(interface != NULL); |
| 106 | |
| 107 | MetricsDaemon* daemon = static_cast<MetricsDaemon*>(user_data); |
| 108 | |
| 109 | DBusMessageIter iter; |
| 110 | dbus_message_iter_init(message, &iter); |
| 111 | if (strcmp(interface, DBUS_IFACE_CONNMAN_MANAGER) == 0) { |
| 112 | CHECK(strcmp(dbus_message_get_member(message), "StateChanged") == 0); |
| 113 | |
| 114 | char *state_name; |
| 115 | dbus_message_iter_get_basic(&iter, &state_name); |
| 116 | daemon->NetStateChanged(state_name); |
| 117 | } else if (strcmp(interface, DBUS_IFACE_POWER_MANAGER) == 0) { |
| 118 | CHECK(strcmp(dbus_message_get_member(message), "PowerStateChanged") == 0); |
| 119 | |
| 120 | char *state_name; |
| 121 | dbus_message_iter_get_basic(&iter, &state_name); |
| 122 | daemon->PowerStateChanged(state_name); |
| 123 | } else { |
| 124 | LOG(WARNING) << "unexpected interface: " << interface; |
| 125 | return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; |
| 126 | } |
| 127 | |
| 128 | return DBUS_HANDLER_RESULT_HANDLED; |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 129 | } |
| 130 | |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame^] | 131 | void MetricsDaemon::NetStateChanged(const char* state_name) { |
| 132 | LOG(INFO) << "network state: " << state_name; |
| 133 | |
| 134 | time_t now = time(NULL); |
| 135 | NetworkState state = LookupNetworkState(state_name); |
| 136 | |
| 137 | // Logs the time in seconds between the network going online to |
| 138 | // going offline in order to measure the mean time to network |
| 139 | // dropping. Going offline as part of suspend-to-RAM is not logged |
| 140 | // as network drop -- the assumption is that the message for |
| 141 | // suspend-to-RAM comes before the network offline message which |
| 142 | // seems to and should be the case. |
| 143 | if (state == kNetworkStateOffline && |
| 144 | network_state_ == kNetworkStateOnline && |
| 145 | power_state_ != kPowerStateMem) { |
| 146 | int online_time = static_cast<int>(now - network_state_changed_); |
| 147 | PublishMetric("Network.TimeToDrop", online_time, |
| 148 | 1, 8 /* hours */ * 60 * 60, 50); |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 149 | } |
| 150 | |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame^] | 151 | network_state_ = state; |
| 152 | network_state_changed_ = now; |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 153 | } |
| 154 | |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame^] | 155 | MetricsDaemon::NetworkState |
| 156 | MetricsDaemon::LookupNetworkState(const char* state_name) { |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 157 | for (int i = 0; i < kNumberNetworkStates; i++) { |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame^] | 158 | if (strcmp(state_name, network_states_[i]) == 0) { |
| 159 | return static_cast<NetworkState>(i); |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 160 | } |
| 161 | } |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame^] | 162 | LOG(WARNING) << "unknown network connection state: " << state_name; |
| 163 | return kUnknownNetworkState; |
| 164 | } |
| 165 | |
| 166 | void MetricsDaemon::PowerStateChanged(const char* state_name) { |
| 167 | LOG(INFO) << "power state: " << state_name; |
| 168 | power_state_ = LookupPowerState(state_name); |
| 169 | } |
| 170 | |
| 171 | MetricsDaemon::PowerState |
| 172 | MetricsDaemon::LookupPowerState(const char* state_name) { |
| 173 | for (int i = 0; i < kNumberPowerStates; i++) { |
| 174 | if (strcmp(state_name, power_states_[i]) == 0) { |
| 175 | return static_cast<PowerState>(i); |
| 176 | } |
| 177 | } |
| 178 | LOG(WARNING) << "unknown power state: " << state_name; |
| 179 | return kUnknownPowerState; |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 180 | } |
| 181 | |
Darin Petkov | c2526a1 | 2010-04-21 14:24:04 -0700 | [diff] [blame] | 182 | void MetricsDaemon::PublishMetric(const char* name, int sample, |
| 183 | int min, int max, int nbuckets) { |
Darin Petkov | 703ec97 | 2010-04-27 11:02:18 -0700 | [diff] [blame^] | 184 | LOG(INFO) << "received metric: " << name << " " << sample << |
| 185 | " " << min << " " << max << " " << nbuckets; |
| 186 | if (!testing_) { |
Darin Petkov | c2526a1 | 2010-04-21 14:24:04 -0700 | [diff] [blame] | 187 | MetricsLibrary::SendToChrome(name, sample, min, max, nbuckets); |
| 188 | } |
Darin Petkov | 65b0146 | 2010-04-14 13:32:20 -0700 | [diff] [blame] | 189 | } |