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Merge "metrics_collector: add libmetricscollectorservice binder service"

This commit is contained in:
Todd Poynor 2015-12-10 22:25:19 +00:00 committed by Gerrit Code Review
parent aae38d9704 694553d097
commit 5fc82ef714
11 changed files with 345 additions and 117 deletions
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27
metricsd/Android.mk
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@ -28,6 +28,7 @@ metrics_collector_common := \
collectors/cpu_usage_collector.cc \
collectors/disk_usage_collector.cc \
metrics_collector.cc \
metrics_collector_service_trampoline.cc \
persistent_integer.cc
metricsd_common := \
@ -69,6 +70,7 @@ metrics_includes := external/gtest/include \
$(LOCAL_PATH)/include
libmetrics_shared_libraries := libchrome libbinder libbrillo libutils
metrics_collector_shared_libraries := $(libmetrics_shared_libraries) \
libbrillo-binder \
libbrillo-dbus \
libbrillo-http \
libchrome-dbus \
@ -77,6 +79,8 @@ metrics_collector_shared_libraries := $(libmetrics_shared_libraries) \
librootdev \
libweaved
metrics_collector_static_libraries := libmetricscollectorservice
metricsd_shared_libraries := \
libbinder \
libbrillo \
@ -86,7 +90,7 @@ metricsd_shared_libraries := \
libupdate_engine_client \
libutils
# Static proxy library for the binder interface.
# Static proxy library for the metricsd binder interface.
# ========================================================
include $(CLEAR_VARS)
LOCAL_MODULE := metricsd_binder_proxy
@ -94,6 +98,21 @@ LOCAL_SHARED_LIBRARIES := libbinder libutils
LOCAL_SRC_FILES := aidl/android/brillo/metrics/IMetricsd.aidl
include $(BUILD_STATIC_LIBRARY)
# Static library for the metrics_collector binder interface.
# ==========================================================
include $(CLEAR_VARS)
LOCAL_MODULE := libmetricscollectorservice
LOCAL_SHARED_LIBRARIES := libbinder libbrillo-binder libchrome libutils
LOCAL_CPP_EXTENSION := $(metrics_cpp_extension)
LOCAL_C_INCLUDES := $(LOCAL_PATH)/include
LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/include
LOCAL_SRC_FILES := \
aidl/android/brillo/metrics/IMetricsCollectorService.aidl \
metrics_collector_service_impl.cc \
metrics_collector_service_client.cc
LOCAL_RTTI_FLAG := -fno-rtti
include $(BUILD_STATIC_LIBRARY)
# Shared library for metrics.
# ========================================================
include $(CLEAR_VARS)
@ -151,7 +170,8 @@ LOCAL_RTTI_FLAG := -frtti
LOCAL_SHARED_LIBRARIES := $(metrics_collector_shared_libraries)
LOCAL_SRC_FILES := $(metrics_collector_common) \
metrics_collector_main.cc
LOCAL_STATIC_LIBRARIES := metricsd_binder_proxy
LOCAL_STATIC_LIBRARIES := metricsd_binder_proxy \
$(metrics_collector_static_libraries)
include $(BUILD_EXECUTABLE)
# metricsd daemon.
@ -197,7 +217,8 @@ LOCAL_RTTI_FLAG := -frtti
LOCAL_SHARED_LIBRARIES := $(metrics_collector_shared_libraries)
LOCAL_SRC_FILES := $(metrics_collector_tests_sources) \
$(metrics_collector_common)
LOCAL_STATIC_LIBRARIES := libBionicGtestMain libgmock metricsd_binder_proxy
LOCAL_STATIC_LIBRARIES := libBionicGtestMain libgmock metricsd_binder_proxy \
$(metrics_collector_static_libraries)
include $(BUILD_NATIVE_TEST)
# Weave schema files

21
metricsd/aidl/android/brillo/metrics/IMetricsCollectorService.aidl Normal file
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@ -0,0 +1,21 @@
/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.brillo.metrics;
interface IMetricsCollectorService {
oneway void notifyUserCrash();
}

44
metricsd/include/metrics/metrics_collector_service_client.h Normal file
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@ -0,0 +1,44 @@
/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// Client interface to IMetricsCollectorService.
#ifndef METRICS_METRICS_COLLECTOR_SERVICE_CLIENT_H_
#define METRICS_METRICS_COLLECTOR_SERVICE_CLIENT_H_
#include "android/brillo/metrics/IMetricsCollectorService.h"
class MetricsCollectorServiceClient {
public:
MetricsCollectorServiceClient() = default;
~MetricsCollectorServiceClient() = default;
// Initialize. Returns true if OK, or false if IMetricsCollectorService
// is not registered.
bool Init();
// Called by crash_reporter to report a userspace crash event. Returns
// true if successfully called the IMetricsCollectorService method of the
// same name, or false if the service was not registered at Init() time.
bool notifyUserCrash();
private:
// IMetricsCollectorService binder proxy
android::sp<android::brillo::metrics::IMetricsCollectorService>
metrics_collector_service_;
};
#endif // METRICS_METRICS_COLLECTOR_SERVICE_CLIENT_H_

79
metricsd/metrics_collector.cc
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@ -33,6 +33,7 @@
#include <dbus/message.h>
#include "constants.h"
#include "metrics_collector_service_trampoline.h"
using base::FilePath;
using base::StringPrintf;
@ -46,11 +47,6 @@ using std::vector;
namespace {
const char kCrashReporterInterface[] = "org.chromium.CrashReporter";
const char kCrashReporterUserCrashSignal[] = "UserCrash";
const char kCrashReporterMatchRule[] =
"type='signal',interface='%s',path='/',member='%s'";
const int kSecondsPerMinute = 60;
const int kMinutesPerHour = 60;
const int kHoursPerDay = 24;
@ -130,6 +126,10 @@ int MetricsCollector::Run() {
version_cumulative_cpu_use_->Set(0);
}
// Start metricscollectorservice via trampoline
MetricsCollectorServiceTrampoline metricscollectorservice_trampoline(this);
metricscollectorservice_trampoline.Run();
return brillo::DBusDaemon::Run();
}
@ -223,28 +223,6 @@ int MetricsCollector::OnInit() {
bus_->AssertOnDBusThread();
CHECK(bus_->SetUpAsyncOperations());
if (bus_->is_connected()) {
const std::string match_rule =
base::StringPrintf(kCrashReporterMatchRule,
kCrashReporterInterface,
kCrashReporterUserCrashSignal);
bus_->AddFilterFunction(&MetricsCollector::MessageFilter, this);
DBusError error;
dbus_error_init(&error);
bus_->AddMatch(match_rule, &error);
if (dbus_error_is_set(&error)) {
LOG(ERROR) << "Failed to add match rule \"" << match_rule << "\". Got "
<< error.name << ": " << error.message;
return EX_SOFTWARE;
}
} else {
LOG(ERROR) << "DBus isn't connected.";
return EX_UNAVAILABLE;
}
device_ = weaved::Device::CreateInstance(
bus_,
base::Bind(&MetricsCollector::UpdateWeaveState, base::Unretained(this)));
@ -268,23 +246,6 @@ int MetricsCollector::OnInit() {
}
void MetricsCollector::OnShutdown(int* return_code) {
if (!testing_ && bus_->is_connected()) {
const std::string match_rule =
base::StringPrintf(kCrashReporterMatchRule,
kCrashReporterInterface,
kCrashReporterUserCrashSignal);
bus_->RemoveFilterFunction(&MetricsCollector::MessageFilter, this);
DBusError error;
dbus_error_init(&error);
bus_->RemoveMatch(match_rule, &error);
if (dbus_error_is_set(&error)) {
LOG(ERROR) << "Failed to remove match rule \"" << match_rule << "\". Got "
<< error.name << ": " << error.message;
}
}
brillo::DBusDaemon::OnShutdown(return_code);
}
@ -340,36 +301,6 @@ void MetricsCollector::UpdateWeaveState() {
}
}
// static
DBusHandlerResult MetricsCollector::MessageFilter(DBusConnection* connection,
DBusMessage* message,
void* user_data) {
int message_type = dbus_message_get_type(message);
if (message_type != DBUS_MESSAGE_TYPE_SIGNAL) {
DLOG(WARNING) << "unexpected message type " << message_type;
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
// Signal messages always have interfaces.
const std::string interface(dbus_message_get_interface(message));
const std::string member(dbus_message_get_member(message));
DLOG(INFO) << "Got " << interface << "." << member << " D-Bus signal";
MetricsCollector* daemon = static_cast<MetricsCollector*>(user_data);
DBusMessageIter iter;
dbus_message_iter_init(message, &iter);
if (interface == kCrashReporterInterface) {
CHECK_EQ(member, kCrashReporterUserCrashSignal);
daemon->ProcessUserCrash();
} else {
// Ignore messages from the bus itself.
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
return DBUS_HANDLER_RESULT_HANDLED;
}
void MetricsCollector::ProcessUserCrash() {
// Counts the active time up to now.
UpdateStats(TimeTicks::Now(), Time::Now());

13
metricsd/metrics_collector.h
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@ -63,6 +63,10 @@ class MetricsCollector : public brillo::DBusDaemon {
// Returns the active time since boot (uptime minus sleep time) in seconds.
static double GetActiveTime();
// Updates the active use time and logs time between user-space
// process crashes. Called via MetricsCollectorServiceTrampoline.
void ProcessUserCrash();
protected:
// Used also by the unit tests.
static const char kComprDataSizeName[];
@ -108,11 +112,6 @@ class MetricsCollector : public brillo::DBusDaemon {
int value; // value from /proc/meminfo
};
// D-Bus filter callback.
static DBusHandlerResult MessageFilter(DBusConnection* connection,
DBusMessage* message,
void* user_data);
// Enables metrics reporting.
void OnEnableMetrics(const std::weak_ptr<weaved::Command>& cmd);
@ -122,10 +121,6 @@ class MetricsCollector : public brillo::DBusDaemon {
// Updates the weave device state.
void UpdateWeaveState();
// Updates the active use time and logs time between user-space
// process crashes.
void ProcessUserCrash();
// Updates the active use time and logs time between kernel crashes.
void ProcessKernelCrash();

50
metricsd/metrics_collector_service_client.cc Normal file
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@ -0,0 +1,50 @@
/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// Client interface to IMetricsCollectorService.
#include "metrics/metrics_collector_service_client.h"
#include <base/logging.h>
#include <binder/IServiceManager.h>
#include <utils/String16.h>
#include "android/brillo/metrics/IMetricsCollectorService.h"
namespace {
const char kMetricsCollectorServiceName[] =
"android.brillo.metrics.IMetricsCollectorService";
}
bool MetricsCollectorServiceClient::Init() {
const android::String16 name(kMetricsCollectorServiceName);
metrics_collector_service_ = android::interface_cast<
android::brillo::metrics::IMetricsCollectorService>(
android::defaultServiceManager()->checkService(name));
if (metrics_collector_service_ == nullptr)
LOG(ERROR) << "Unable to lookup service " << kMetricsCollectorServiceName;
return metrics_collector_service_ != nullptr;
}
bool MetricsCollectorServiceClient::notifyUserCrash() {
if (metrics_collector_service_ == nullptr)
return false;
metrics_collector_service_->notifyUserCrash();
return true;
}

44
metricsd/metrics_collector_service_impl.cc Normal file
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@ -0,0 +1,44 @@
/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "metrics_collector_service_impl.h"
#include <binder/IServiceManager.h>
#include <binder/Status.h>
#include <brillo/binder_watcher.h>
#include <utils/Errors.h>
#include "metrics_collector_service_trampoline.h"
using namespace android;
BnMetricsCollectorServiceImpl::BnMetricsCollectorServiceImpl(
MetricsCollectorServiceTrampoline* metrics_collector_service_trampoline) {
metrics_collector_service_trampoline_ = metrics_collector_service_trampoline;
}
void BnMetricsCollectorServiceImpl::Run() {
status_t status =
defaultServiceManager()->addService(getInterfaceDescriptor(), this);
CHECK(status == OK) << "libmetricscollectorservice: failed to add service";
binder_watcher_.reset(new ::brillo::BinderWatcher);
CHECK(binder_watcher_->Init()) << "Binder FD watcher init failed";
}
android::binder::Status BnMetricsCollectorServiceImpl::notifyUserCrash() {
metrics_collector_service_trampoline_->ProcessUserCrash();
return android::binder::Status::ok();
}

62
metricsd/metrics_collector_service_impl.h Normal file
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@ -0,0 +1,62 @@
/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef METRICSD_METRICS_COLLECTOR_SERVICE_IMPL_H_
#define METRICSD_METRICS_COLLECTOR_SERVICE_IMPL_H_
// metrics_collector binder service implementation. Constructed by
// MetricsCollectorServiceTrampoline, which we use to call back into
// MetricsCollector. The trampoline isolates us from the -frtti code of
// metrics_collector / libbrillo.
#include "android/brillo/metrics/BnMetricsCollectorService.h"
#include <memory>
#include <binder/Status.h>
#include <brillo/binder_watcher.h>
class MetricsCollectorServiceTrampoline;
//#include "metrics_collector_service_trampoline.h"
class BnMetricsCollectorServiceImpl
: public android::brillo::metrics::BnMetricsCollectorService {
public:
// Passed a this pointer from the MetricsCollectorServiceTrampoline
// object that constructs us.
explicit BnMetricsCollectorServiceImpl(
MetricsCollectorServiceTrampoline* metrics_collector_service_trampoline);
virtual ~BnMetricsCollectorServiceImpl() = default;
// Starts the binder main loop.
void Run();
// Called by crash_reporter to report a userspace crash event. We relay
// this to MetricsCollector using the trampoline.
android::binder::Status notifyUserCrash();
private:
// Trampoline object that constructs us, we use this to call MetricsCollector
// methods via the trampoline.
MetricsCollectorServiceTrampoline* metrics_collector_service_trampoline_;
// BinderWatcher object we construct for handling Binder traffic
std::unique_ptr<brillo::BinderWatcher> binder_watcher_;
};
#endif // METRICSD_METRICS_COLLECTOR_SERVICE_IMPL_H_

34
metricsd/metrics_collector_service_trampoline.cc Normal file
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@ -0,0 +1,34 @@
/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "metrics_collector_service_trampoline.h"
#include "metrics_collector.h"
#include "metrics_collector_service_impl.h"
MetricsCollectorServiceTrampoline::MetricsCollectorServiceTrampoline(
MetricsCollector* metrics_collector) {
metrics_collector_ = metrics_collector;
}
void MetricsCollectorServiceTrampoline::Run() {
// Start metricscollectorservice binder service
metrics_collector_service.reset(new BnMetricsCollectorServiceImpl(this));
metrics_collector_service->Run();
}
void MetricsCollectorServiceTrampoline::ProcessUserCrash() {
metrics_collector_->ProcessUserCrash();
}

57
metricsd/metrics_collector_service_trampoline.h Normal file
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@ -0,0 +1,57 @@
/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef METRICSD_METRICS_COLLECTOR_SERVICE_TRAMPOLINE_H_
#define METRICSD_METRICS_COLLECTOR_SERVICE_TRAMPOLINE_H_
// Trampoline between the -fno-rtti compile of libmetricsservice and the
// -frtti compile of metrics_collector. MetricsCollectorServiceTrampoline
// is called from MetricsCollector to run the IMetricsCollectorService
// server, and acts as a go-between for calls from server back to
// MetricsCollector.
#include <memory>
#include "metrics_collector_service_impl.h"
// Forward declaration of MetricsCollector. Don't include the header file
// for the class here, as it pulls in -frtti stuff.
class MetricsCollector;
class MetricsCollectorServiceTrampoline {
public:
// Constructor take a this pointer from the MetricsCollector class that
// constructs these objects.
explicit MetricsCollectorServiceTrampoline(
MetricsCollector* metrics_collector);
// Initialize and run the IMetricsCollectorService
void Run();
// Called from IMetricsCollectorService to trampoline into the
// MetricsCollector method of the same name.
void ProcessUserCrash();
private:
// The MetricsCollector object that constructs us, for which we act as
// the go-between for MetricsCollectorServiceImpl use.
MetricsCollector* metrics_collector_;
// The IMetricsCollectorService implementation we construct.
std::unique_ptr<BnMetricsCollectorServiceImpl> metrics_collector_service;
};
#endif // METRICSD_METRICS_COLLECTOR_SERVICE_TRAMPOLINE_H_

31
metricsd/metrics_collector_test.cc
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@ -115,37 +115,6 @@ class MetricsCollectorTest : public testing::Test {
StrictMock<MetricsLibraryMock> metrics_lib_;
};
TEST_F(MetricsCollectorTest, MessageFilter) {
// Ignore calls to SendToUMA.
EXPECT_CALL(metrics_lib_, SendToUMA(_, _, _, _, _)).Times(AnyNumber());
DBusMessage* msg = dbus_message_new(DBUS_MESSAGE_TYPE_METHOD_CALL);
DBusHandlerResult res =
MetricsCollector::MessageFilter(/* connection */ nullptr, msg, &daemon_);
EXPECT_EQ(DBUS_HANDLER_RESULT_NOT_YET_HANDLED, res);
DeleteDBusMessage(msg);
vector<string> signal_args;
msg = NewDBusSignalString("/",
"org.chromium.CrashReporter",
"UserCrash",
signal_args);
res = MetricsCollector::MessageFilter(/* connection */ nullptr, msg, &daemon_);
EXPECT_EQ(DBUS_HANDLER_RESULT_HANDLED, res);
DeleteDBusMessage(msg);
signal_args.clear();
signal_args.push_back("randomstate");
signal_args.push_back("bob"); // arbitrary username
msg = NewDBusSignalString("/",
"org.chromium.UnknownService.Manager",
"StateChanged",
signal_args);
res = MetricsCollector::MessageFilter(/* connection */ nullptr, msg, &daemon_);
EXPECT_EQ(DBUS_HANDLER_RESULT_NOT_YET_HANDLED, res);
DeleteDBusMessage(msg);
}
TEST_F(MetricsCollectorTest, SendSample) {
ExpectSample("Dummy.Metric", 3);
daemon_.SendSample("Dummy.Metric", /* sample */ 3,