... will look into some unit and integration testing for all metrics code next in a separate CL.
Review URL: http://codereview.chromium.org/1863002
This commit is contained in:
Darin Petkov
parent
703ec97bdf
commit
41e0623cab
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@ -8,8 +8,7 @@
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CCONFIG = $(shell $(PKG_CONFIG) --cflags dbus-1 glib-2.0 dbus-glib-1)
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LDCONFIG = $(shell $(PKG_CONFIG) --libs dbus-1 glib-2.0 gthread-2.0 dbus-glib-1)
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CFLAGS = -Wall -Werror -I/usr/include -fPIC -O2 $(CCONFIG)
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CXXFLAGS = $(CFLAGS) -fno-exceptions
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CXXFLAGS += -Wall -Werror -fPIC -fno-exceptions $(CCONFIG)
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CLIENT = metrics_client
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DAEMON = metrics_daemon
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@ -51,9 +50,6 @@ $(SHAREDLIB): $(LIB_OBJS)
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%.o: %.cc
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$(CXX) $(CXXFLAGS) -c $< -o $@
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%.o: %.c
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$(CC) $(CFLAGS) -c $< -o $@
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# dependencies in addition to those defined by the rules
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metrics_daemon.o: \
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@ -6,16 +6,39 @@
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#include "metrics_library.h"
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#include <dbus/dbus-glib-lowlevel.h>
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#include <sys/file.h>
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#include <base/eintr_wrapper.h>
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#include <base/logging.h>
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#define SAFE_MESSAGE(e) (e.message ? e.message : "unknown error")
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#define DBUS_IFACE_CONNMAN_MANAGER "org.moblin.connman.Manager"
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#define DBUS_IFACE_POWER_MANAGER "org.chromium.Power.Manager"
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#define DBUS_IFACE_SCREENSAVER_MANAGER "org.chromium.ScreenSaver.Manager"
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#define DBUS_IFACE_SESSION_MANAGER "org.chromium.SessionManagerInterface"
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// File to aggregate daily usage before sending to UMA.
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// TODO(petkov): This file should probably live in a user-specific stateful
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// location, e.g., /home/chronos/user.
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static const char kDailyUseRecordFile[] = "/var/log/metrics/daily-usage";
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static const int kSecondsPerMinute = 60;
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static const int kMinutesPerHour = 60;
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static const int kHoursPerDay = 24;
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static const int kMinutesPerDay = kHoursPerDay * kMinutesPerHour;
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static const int kSecondsPerDay = kMinutesPerDay * kSecondsPerMinute;
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// The daily use monitor is scheduled to a 1-minute interval after
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// initial user activity and then it's exponentially backed off to
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// 10-minute intervals. Although not required, the back off is
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// implemented because the histogram buckets are spaced exponentially
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// anyway and to avoid too frequent metrics daemon process wake-ups
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// and file I/O.
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static const int kUseMonitorIntervalInit = 1 * kSecondsPerMinute;
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static const int kUseMonitorIntervalMax = 10 * kSecondsPerMinute;
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// static
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const char*
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MetricsDaemon::dbus_matches_[] = {
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const char* MetricsDaemon::kDBusMatches_[] = {
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"type='signal',"
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"sender='org.moblin.connman',"
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"interface='" DBUS_IFACE_CONNMAN_MANAGER "',"
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@ -26,22 +49,43 @@ MetricsDaemon::dbus_matches_[] = {
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"interface='" DBUS_IFACE_POWER_MANAGER "',"
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"path='/',"
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"member='PowerStateChanged'",
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"type='signal',"
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"interface='" DBUS_IFACE_SCREENSAVER_MANAGER "',"
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"path='/',"
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"member='LockStateChanged'",
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"type='signal',"
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"sender='org.chromium.SessionManager',"
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"interface='" DBUS_IFACE_SESSION_MANAGER "',"
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"path='/org/chromium/SessionManager',"
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"member='SessionStateChanged'",
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};
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// static
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const char *
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MetricsDaemon::network_states_[MetricsDaemon::kNumberNetworkStates] = {
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const char* MetricsDaemon::kNetworkStates_[] = {
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#define STATE(name, capname) #name,
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#include "network_states.h"
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};
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// static
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const char *
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MetricsDaemon::power_states_[MetricsDaemon::kNumberPowerStates] = {
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const char* MetricsDaemon::kPowerStates_[] = {
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#define STATE(name, capname) #name,
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#include "power_states.h"
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};
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// static
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const char* MetricsDaemon::kScreenSaverStates_[] = {
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#define STATE(name, capname) #name,
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#include "screensaver_states.h"
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};
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// static
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const char* MetricsDaemon::kSessionStates_[] = {
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#define STATE(name, capname) #name,
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#include "session_states.h"
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};
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void MetricsDaemon::Run(bool run_as_daemon, bool testing) {
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Init(testing);
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if (!run_as_daemon || daemon(0, 0) == 0) {
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@ -51,9 +95,6 @@ void MetricsDaemon::Run(bool run_as_daemon, bool testing) {
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void MetricsDaemon::Init(bool testing) {
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testing_ = testing;
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network_state_ = kUnknownNetworkState;
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network_state_changed_ = 0;
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power_state_ = kUnknownPowerState;
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g_thread_init(NULL);
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g_type_init();
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@ -69,9 +110,9 @@ void MetricsDaemon::Init(bool testing) {
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dbus_connection_setup_with_g_main(connection, NULL);
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// Registers D-Bus matches for the signals we would like to catch.
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for (unsigned int m = 0; m < sizeof(dbus_matches_) / sizeof(char *); m++) {
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const char* match = dbus_matches_[m];
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LOG(INFO) << "adding dbus match: " << match;
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for (unsigned int m = 0; m < sizeof(kDBusMatches_) / sizeof(char *); m++) {
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const char* match = kDBusMatches_[m];
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DLOG(INFO) << "adding dbus match: " << match;
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dbus_bus_add_match(connection, match, &error);
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LOG_IF(FATAL, dbus_error_is_set(&error)) <<
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"unable to add a match: " << SAFE_MESSAGE(error);
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@ -92,11 +133,12 @@ void MetricsDaemon::Loop() {
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DBusHandlerResult MetricsDaemon::MessageFilter(DBusConnection* connection,
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DBusMessage* message,
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void* user_data) {
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LOG(INFO) << "message filter";
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time_t now = time(NULL);
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DLOG(INFO) << "message intercepted @ " << now;
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int message_type = dbus_message_get_type(message);
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if (message_type != DBUS_MESSAGE_TYPE_SIGNAL) {
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LOG(WARNING) << "unexpected message type " << message_type;
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DLOG(WARNING) << "unexpected message type " << message_type;
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return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
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}
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@ -109,29 +151,44 @@ DBusHandlerResult MetricsDaemon::MessageFilter(DBusConnection* connection,
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DBusMessageIter iter;
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dbus_message_iter_init(message, &iter);
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if (strcmp(interface, DBUS_IFACE_CONNMAN_MANAGER) == 0) {
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CHECK(strcmp(dbus_message_get_member(message), "StateChanged") == 0);
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CHECK(strcmp(dbus_message_get_member(message),
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"StateChanged") == 0);
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char *state_name;
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dbus_message_iter_get_basic(&iter, &state_name);
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daemon->NetStateChanged(state_name);
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daemon->NetStateChanged(state_name, now);
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} else if (strcmp(interface, DBUS_IFACE_POWER_MANAGER) == 0) {
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CHECK(strcmp(dbus_message_get_member(message), "PowerStateChanged") == 0);
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CHECK(strcmp(dbus_message_get_member(message),
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"PowerStateChanged") == 0);
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char *state_name;
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dbus_message_iter_get_basic(&iter, &state_name);
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daemon->PowerStateChanged(state_name);
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daemon->PowerStateChanged(state_name, now);
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} else if (strcmp(interface, DBUS_IFACE_SCREENSAVER_MANAGER) == 0) {
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CHECK(strcmp(dbus_message_get_member(message),
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"LockStateChanged") == 0);
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char *state_name;
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dbus_message_iter_get_basic(&iter, &state_name);
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daemon->ScreenSaverStateChanged(state_name, now);
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} else if (strcmp(interface, DBUS_IFACE_SESSION_MANAGER) == 0) {
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CHECK(strcmp(dbus_message_get_member(message),
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"SessionStateChanged") == 0);
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char *state_name;
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dbus_message_iter_get_basic(&iter, &state_name);
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daemon->SessionStateChanged(state_name, now);
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} else {
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LOG(WARNING) << "unexpected interface: " << interface;
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DLOG(WARNING) << "unexpected interface: " << interface;
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return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
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}
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return DBUS_HANDLER_RESULT_HANDLED;
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}
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void MetricsDaemon::NetStateChanged(const char* state_name) {
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LOG(INFO) << "network state: " << state_name;
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void MetricsDaemon::NetStateChanged(const char* state_name, time_t now) {
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DLOG(INFO) << "network state: " << state_name;
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time_t now = time(NULL);
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NetworkState state = LookupNetworkState(state_name);
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// Logs the time in seconds between the network going online to
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@ -143,46 +200,225 @@ void MetricsDaemon::NetStateChanged(const char* state_name) {
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if (state == kNetworkStateOffline &&
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network_state_ == kNetworkStateOnline &&
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power_state_ != kPowerStateMem) {
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int online_time = static_cast<int>(now - network_state_changed_);
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int online_time = static_cast<int>(now - network_state_last_);
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PublishMetric("Network.TimeToDrop", online_time,
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1, 8 /* hours */ * 60 * 60, 50);
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}
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network_state_ = state;
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network_state_changed_ = now;
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network_state_last_ = now;
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}
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MetricsDaemon::NetworkState
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MetricsDaemon::LookupNetworkState(const char* state_name) {
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for (int i = 0; i < kNumberNetworkStates; i++) {
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if (strcmp(state_name, network_states_[i]) == 0) {
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if (strcmp(state_name, kNetworkStates_[i]) == 0) {
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return static_cast<NetworkState>(i);
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}
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}
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LOG(WARNING) << "unknown network connection state: " << state_name;
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DLOG(WARNING) << "unknown network connection state: " << state_name;
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return kUnknownNetworkState;
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}
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void MetricsDaemon::PowerStateChanged(const char* state_name) {
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LOG(INFO) << "power state: " << state_name;
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void MetricsDaemon::PowerStateChanged(const char* state_name, time_t now) {
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DLOG(INFO) << "power state: " << state_name;
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power_state_ = LookupPowerState(state_name);
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if (power_state_ != kPowerStateOn)
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SetUserActiveState(false, now);
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}
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MetricsDaemon::PowerState
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MetricsDaemon::LookupPowerState(const char* state_name) {
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for (int i = 0; i < kNumberPowerStates; i++) {
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if (strcmp(state_name, power_states_[i]) == 0) {
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if (strcmp(state_name, kPowerStates_[i]) == 0) {
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return static_cast<PowerState>(i);
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}
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}
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LOG(WARNING) << "unknown power state: " << state_name;
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DLOG(WARNING) << "unknown power state: " << state_name;
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return kUnknownPowerState;
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}
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void MetricsDaemon::ScreenSaverStateChanged(const char* state_name,
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time_t now) {
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DLOG(INFO) << "screen-saver state: " << state_name;
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screensaver_state_ = LookupScreenSaverState(state_name);
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SetUserActiveState(screensaver_state_ == kScreenSaverStateUnlocked, now);
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}
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MetricsDaemon::ScreenSaverState
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MetricsDaemon::LookupScreenSaverState(const char* state_name) {
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for (int i = 0; i < kNumberScreenSaverStates; i++) {
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if (strcmp(state_name, kScreenSaverStates_[i]) == 0) {
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return static_cast<ScreenSaverState>(i);
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}
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}
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DLOG(WARNING) << "unknown screen-saver state: " << state_name;
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return kUnknownScreenSaverState;
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}
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void MetricsDaemon::SessionStateChanged(const char* state_name,
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time_t now) {
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DLOG(INFO) << "user session state: " << state_name;
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session_state_ = LookupSessionState(state_name);
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SetUserActiveState(session_state_ == kSessionStateStarted, now);
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}
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MetricsDaemon::SessionState
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MetricsDaemon::LookupSessionState(const char* state_name) {
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for (int i = 0; i < kNumberSessionStates; i++) {
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if (strcmp(state_name, kSessionStates_[i]) == 0) {
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return static_cast<SessionState>(i);
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}
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}
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DLOG(WARNING) << "unknown user session state: " << state_name;
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return kUnknownSessionState;
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}
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void MetricsDaemon::SetUserActiveState(bool active, time_t now) {
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DLOG(INFO) << "user: " << (active ? "active" : "inactive");
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// Calculates the seconds of active use since the last update and
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// the day since Epoch, and logs the usage data.
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int seconds = user_active_ ? (now - user_active_last_) : 0;
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int day = now / kSecondsPerDay;
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LogDailyUseRecord(day, seconds);
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// Schedules a use monitor on inactive->active transitions and
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// unschedules it on active->inactive transitions.
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if (!user_active_ && active)
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ScheduleUseMonitor(kUseMonitorIntervalInit, /* backoff */ false);
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else if (user_active_ && !active)
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UnscheduleUseMonitor();
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// Remembers the current active state and the time of the last
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// activity update.
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user_active_ = active;
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user_active_last_ = now;
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}
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void MetricsDaemon::LogDailyUseRecord(int day, int seconds) {
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// If there's no new active use today and the last record in the
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// usage aggregation file is today, there's nothing to do.
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if (seconds == 0 && day == daily_use_day_last_)
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return;
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DLOG(INFO) << "day: " << day << " usage: " << seconds << " seconds";
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int fd = HANDLE_EINTR(open(kDailyUseRecordFile,
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O_RDWR | O_CREAT,
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S_IRUSR | S_IWUSR));
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if (fd < 0) {
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DLOG(WARNING) << "Unable to open the daily use file.";
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return;
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}
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bool same_day = false;
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UseRecord record;
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if (HANDLE_EINTR(read(fd, &record, sizeof(record))) == sizeof(record)) {
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if (record.day_ == day) {
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// If there's an existing record for today, aggregates the usage
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// time.
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same_day = true;
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record.seconds_ += seconds;
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} else {
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// If there's an existing record for a day in the past, rounds
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// the usage to the nearest minute and sends it to UMA.
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int minutes =
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(record.seconds_ + kSecondsPerMinute / 2) / kSecondsPerMinute;
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PublishMetric("Logging.DailyUseTime",
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minutes, 1, kMinutesPerDay, 50);
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// Truncates the usage file to ensure that no duplicate usage is
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// sent to UMA.
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LOG_IF(WARNING, HANDLE_EINTR(ftruncate(fd, 0)) != 0);
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}
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}
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// Updates the use record in the daily usage file if there's new
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// usage today.
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if (seconds > 0) {
|
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if (!same_day) {
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record.day_ = day;
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record.seconds_ = seconds;
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}
|
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// else an already existing record for the same day will be
|
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// overwritten with updated usage below.
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LOG_IF(WARNING, HANDLE_EINTR(lseek(fd, 0, SEEK_SET)) != 0);
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LOG_IF(WARNING,
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HANDLE_EINTR(write(fd, &record, sizeof(record))) != sizeof(record));
|
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}
|
||||
|
||||
HANDLE_EINTR(close(fd));
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||||
|
||||
// Remembers the day of the use record in the usage aggregation file
|
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// to reduce file I/O. This is not really useful now but potentially
|
||||
// allows frequent LogDailyUseRecord calls with no unnecessary I/O
|
||||
// overhead.
|
||||
daily_use_day_last_ = day;
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}
|
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|
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// static
|
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gboolean MetricsDaemon::UseMonitorStatic(gpointer data) {
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||||
return static_cast<MetricsDaemon*>(data)->UseMonitor() ? TRUE : FALSE;
|
||||
}
|
||||
|
||||
bool MetricsDaemon::UseMonitor() {
|
||||
SetUserActiveState(user_active_, time(NULL));
|
||||
|
||||
// If a new monitor source/instance is scheduled, returns false to
|
||||
// tell GLib to destroy this monitor source/instance. Returns true
|
||||
// otherwise to keep calling back this monitor.
|
||||
return !ScheduleUseMonitor(usemon_interval_ * 2, /* backoff */ true);
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||||
}
|
||||
|
||||
bool MetricsDaemon::ScheduleUseMonitor(int interval, bool backoff)
|
||||
{
|
||||
// Caps the interval -- the bigger the interval, the more active use
|
||||
// time will be potentially dropped on system shutdown.
|
||||
if (interval > kUseMonitorIntervalMax)
|
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interval = kUseMonitorIntervalMax;
|
||||
|
||||
if (backoff) {
|
||||
// Back-off mode is used by the use monitor to reschedule itself
|
||||
// with exponential back-off in time. This mode doesn't create a
|
||||
// new timeout source if the new interval is the same as the old
|
||||
// one. Also, if a new timeout source is created, the old one is
|
||||
// not destroyed explicitly here -- it will be destroyed by GLib
|
||||
// when the monitor returns FALSE (see UseMonitor and
|
||||
// UseMonitorStatic).
|
||||
if (interval == usemon_interval_)
|
||||
return false;
|
||||
} else {
|
||||
UnscheduleUseMonitor();
|
||||
}
|
||||
|
||||
// Schedules a new use monitor for |interval| seconds from now.
|
||||
DLOG(INFO) << "scheduling use monitor in " << interval << " seconds";
|
||||
usemon_source_ = g_timeout_source_new_seconds(interval);
|
||||
g_source_set_callback(usemon_source_, UseMonitorStatic, this,
|
||||
NULL); // No destroy notification.
|
||||
g_source_attach(usemon_source_,
|
||||
NULL); // Default context.
|
||||
usemon_interval_ = interval;
|
||||
return true;
|
||||
}
|
||||
|
||||
void MetricsDaemon::UnscheduleUseMonitor() {
|
||||
// If there's a use monitor scheduled already, destroys it.
|
||||
if (usemon_source_ == NULL)
|
||||
return;
|
||||
|
||||
DLOG(INFO) << "destroying use monitor";
|
||||
g_source_destroy(usemon_source_);
|
||||
usemon_source_ = NULL;
|
||||
usemon_interval_ = 0;
|
||||
}
|
||||
|
||||
void MetricsDaemon::PublishMetric(const char* name, int sample,
|
||||
int min, int max, int nbuckets) {
|
||||
LOG(INFO) << "received metric: " << name << " " << sample <<
|
||||
" " << min << " " << max << " " << nbuckets;
|
||||
DLOG(INFO) << "received metric: " << name << " " << sample << " "
|
||||
<< min << " " << max << " " << nbuckets;
|
||||
if (!testing_) {
|
||||
MetricsLibrary::SendToChrome(name, sample, min, max, nbuckets);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -6,16 +6,23 @@
|
|||
#define METRICS_DAEMON_H_
|
||||
|
||||
#include <dbus/dbus.h>
|
||||
#include <glib.h>
|
||||
#include <time.h>
|
||||
|
||||
class MetricsDaemon {
|
||||
|
||||
public:
|
||||
MetricsDaemon()
|
||||
: testing_(false),
|
||||
network_state_(kUnknownNetworkState),
|
||||
network_state_changed_(0),
|
||||
power_state_(kUnknownPowerState) {}
|
||||
: network_state_(kUnknownNetworkState),
|
||||
network_state_last_(0),
|
||||
power_state_(kUnknownPowerState),
|
||||
screensaver_state_(kUnknownScreenSaverState),
|
||||
session_state_(kUnknownSessionState),
|
||||
user_active_(false),
|
||||
user_active_last_(0),
|
||||
daily_use_day_last_(0),
|
||||
usemon_interval_(0),
|
||||
usemon_source_(NULL) {}
|
||||
~MetricsDaemon() {}
|
||||
|
||||
// Does all the work. If |run_as_daemon| is true, daemonizes by
|
||||
|
|
@ -40,6 +47,45 @@ class MetricsDaemon {
|
|||
kNumberPowerStates
|
||||
};
|
||||
|
||||
// The screen-saver states (see screensaver_states.h).
|
||||
enum ScreenSaverState {
|
||||
kUnknownScreenSaverState = -1, // Initial/unknown screen-saver state.
|
||||
#define STATE(name, capname) kScreenSaverState ## capname,
|
||||
#include "screensaver_states.h"
|
||||
kNumberScreenSaverStates
|
||||
};
|
||||
|
||||
// The user session states (see session_states.h).
|
||||
enum SessionState {
|
||||
kUnknownSessionState = -1, // Initial/unknown user session state.
|
||||
#define STATE(name, capname) kSessionState ## capname,
|
||||
#include "session_states.h"
|
||||
kNumberSessionStates
|
||||
};
|
||||
|
||||
// Data record for aggregating daily usage.
|
||||
class UseRecord {
|
||||
public:
|
||||
UseRecord() : day_(0), seconds_(0) {}
|
||||
int day_;
|
||||
int seconds_;
|
||||
};
|
||||
|
||||
// D-Bus message match strings.
|
||||
static const char* kDBusMatches_[];
|
||||
|
||||
// Array of network states.
|
||||
static const char* kNetworkStates_[kNumberNetworkStates];
|
||||
|
||||
// Array of power states.
|
||||
static const char* kPowerStates_[kNumberPowerStates];
|
||||
|
||||
// Array of screen-saver states.
|
||||
static const char* kScreenSaverStates_[kNumberScreenSaverStates];
|
||||
|
||||
// Array of user session states.
|
||||
static const char* kSessionStates_[kNumberSessionStates];
|
||||
|
||||
// Initializes.
|
||||
void Init(bool testing);
|
||||
|
||||
|
|
@ -52,36 +98,103 @@ class MetricsDaemon {
|
|||
void* user_data);
|
||||
|
||||
// Processes network state change.
|
||||
void NetStateChanged(const char* state_name);
|
||||
void NetStateChanged(const char* state_name, time_t now);
|
||||
|
||||
// Given the state name, returns the state id.
|
||||
NetworkState LookupNetworkState(const char* state_name);
|
||||
|
||||
// Processes power state change.
|
||||
void PowerStateChanged(const char* state_name);
|
||||
void PowerStateChanged(const char* state_name, time_t now);
|
||||
|
||||
// Given the state name, returns the state id.
|
||||
PowerState LookupPowerState(const char* state_name);
|
||||
|
||||
// Processes screen-saver state change.
|
||||
void ScreenSaverStateChanged(const char* state_name, time_t now);
|
||||
|
||||
// Given the state name, returns the state id.
|
||||
ScreenSaverState LookupScreenSaverState(const char* state_name);
|
||||
|
||||
// Processes user session state change.
|
||||
void SessionStateChanged(const char* state_name, time_t now);
|
||||
|
||||
// Given the state name, returns the state id.
|
||||
SessionState LookupSessionState(const char* state_name);
|
||||
|
||||
// Updates the user-active state to |active| and logs the usage data
|
||||
// since the last update. If the user has just become active,
|
||||
// reschedule the daily use monitor for more frequent updates --
|
||||
// this is followed by an exponential back-off (see UseMonitor).
|
||||
void SetUserActiveState(bool active, time_t now);
|
||||
|
||||
// Updates the daily usage file, if necessary, by adding |seconds|
|
||||
// of active use to the |day| since Epoch. If there's usage data for
|
||||
// day in the past in the usage file, that data is sent to UMA and
|
||||
// removed from the file. If there's already usage data for |day| in
|
||||
// the usage file, the |seconds| are accumulated.
|
||||
void LogDailyUseRecord(int day, int seconds);
|
||||
|
||||
// Callbacks for the daily use monitor. The daily use monitor uses
|
||||
// LogDailyUseRecord to aggregate current usage data and send it to
|
||||
// UMA, if necessary. It also reschedules itself using an
|
||||
// exponentially bigger interval (up to a certain maximum) -- so
|
||||
// usage is monitored less frequently with longer active use.
|
||||
static gboolean UseMonitorStatic(gpointer data);
|
||||
bool UseMonitor();
|
||||
|
||||
// Schedules or reschedules a daily use monitor for |interval|
|
||||
// seconds from now. |backoff| mode is used by the use monitor to
|
||||
// reschedule itself. If there's a monitor scheduled already and
|
||||
// |backoff| is false, unschedules it first. Doesn't schedule a
|
||||
// monitor for more than kUseMonitorIntervalMax seconds in the
|
||||
// future (see metrics_daemon.cc). Returns true if a new use monitor
|
||||
// was scheduled, false otherwise (note that if |backoff| is false a
|
||||
// new use monitor will always be scheduled).
|
||||
bool ScheduleUseMonitor(int interval, bool backoff);
|
||||
|
||||
// Unschedules a scheduled use monitor, if any.
|
||||
void UnscheduleUseMonitor();
|
||||
|
||||
// Sends a stat to Chrome for transport to UMA (or prints it for
|
||||
// testing). See MetricsLibrary::SendToChrome in metrics_library.h
|
||||
// for a description of the arguments.
|
||||
void PublishMetric(const char* name, int sample,
|
||||
int min, int max, int nbuckets);
|
||||
|
||||
// D-Bus message match strings.
|
||||
static const char* dbus_matches_[];
|
||||
// Testing mode.
|
||||
bool testing_;
|
||||
|
||||
// Array of network states.
|
||||
static const char* network_states_[kNumberNetworkStates];
|
||||
// Current network state.
|
||||
NetworkState network_state_;
|
||||
|
||||
// Array of power states.
|
||||
static const char* power_states_[kNumberPowerStates];
|
||||
// Timestamps last network state update.
|
||||
time_t network_state_last_;
|
||||
|
||||
bool testing_; // just testing
|
||||
NetworkState network_state_; // current network state
|
||||
time_t network_state_changed_; // timestamp last net state change
|
||||
PowerState power_state_; // current power state
|
||||
// Current power state.
|
||||
PowerState power_state_;
|
||||
|
||||
// Current screen-saver state.
|
||||
ScreenSaverState screensaver_state_;
|
||||
|
||||
// Current user session state.
|
||||
SessionState session_state_;
|
||||
|
||||
// Is the user currently active: power is on, user session has
|
||||
// started, screen is not locked.
|
||||
bool user_active_;
|
||||
|
||||
// Timestamps last user active update.
|
||||
time_t user_active_last_;
|
||||
|
||||
// Last stored daily use day (since epoch).
|
||||
int daily_use_day_last_;
|
||||
|
||||
// Sleep period until the next daily usage aggregation performed by
|
||||
// the daily use monitor (see ScheduleUseMonitor).
|
||||
int usemon_interval_;
|
||||
|
||||
// Scheduled daily use monitor source (see ScheduleUseMonitor).
|
||||
GSource* usemon_source_;
|
||||
};
|
||||
|
||||
#endif // METRICS_DAEMON_H_
|
||||
|
|
|
|||
|
|
@ -4,18 +4,7 @@
|
|||
|
||||
// A table of power states, to be included when building tabular things.
|
||||
//
|
||||
// This file is used to construct two things: an enumerated type in
|
||||
// metrics_daemon.h, and a table of structures with state names in
|
||||
// metrics_daemon.cc. Including this file ensures that the two tables are
|
||||
// always in sync (and saves typing). I don't know of other ways of achieving
|
||||
// the same result in C/C++, but it doesn't mean there isn't one.
|
||||
|
||||
// Before you include this file, define STATE to do something useful, or else
|
||||
// if will be a no-op. STATE will be undefined on exit. Don't worry about
|
||||
// collisions for the STATE macro (as long as it's a macro) because the
|
||||
// compiler will flag them---in that case, just change the name. If someone is
|
||||
// misguided enough to use STATE for something other than a macro, the error
|
||||
// messages will be slightly more complicated.
|
||||
// See network_states.h for details.
|
||||
|
||||
|
||||
#ifndef STATE
|
||||
|
|
|
|||
|
|
@ -0,0 +1,17 @@
|
|||
// Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
|
||||
// Use of this source code is governed by a BSD-style license that can be
|
||||
// found in the LICENSE file.
|
||||
|
||||
// A table of screen-saver states, to be included when building tabular things.
|
||||
//
|
||||
// See network_states.h for details.
|
||||
|
||||
|
||||
#ifndef STATE
|
||||
#define STATE(name, capname)
|
||||
#endif
|
||||
|
||||
STATE(locked, Locked)
|
||||
STATE(unlocked, Unlocked)
|
||||
|
||||
#undef STATE
|
||||
|
|
@ -0,0 +1,17 @@
|
|||
// Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
|
||||
// Use of this source code is governed by a BSD-style license that can be
|
||||
// found in the LICENSE file.
|
||||
|
||||
// A table of user session states, to be included when building tabular things.
|
||||
//
|
||||
// See network_states.h for details.
|
||||
|
||||
|
||||
#ifndef STATE
|
||||
#define STATE(name, capname)
|
||||
#endif
|
||||
|
||||
STATE(started, Started)
|
||||
STATE(stopped, Stopped)
|
||||
|
||||
#undef STATE
|
||||
Loading…
Reference in New Issue