Merge "Create manager lib for StatsBootstrapAtomService" am: f1e4354b5d (c43654c6) · Commits · e / os / android_system_core

libstats/bootstrap/Android.bp

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		//
		// Copyright (C) 2021 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.
		//

		// =========================================================================
		// Native library that provide a client to StatsBootstrapAtomService.
		// This library should only be used by processes that start in the bootstrap namespace.
		// All other clients should use libstatssocket, provided by the statsd apex.
		// =========================================================================
		package {
		default_applicable_licenses: ["Android-Apache-2.0"],
		}

		cc_defaults {
		name: "libstatsbootstrap_defaults",
		srcs: [
		"BootstrapClientInternal.cpp",
		"StatsBootstrapAtomClient.cpp",
		],
		cflags: [
		"-Wall",
		"-Werror",
		],
		shared_libs: [
		"libbinder",
		"libutils",
		"android.os.statsbootstrap_aidl-cpp",
		],
		}

		cc_library {
		name: "libstatsbootstrap",
		defaults: ["libstatsbootstrap_defaults"],
		export_include_dirs: ["include"],
		}

libstats/bootstrap/BootstrapClientInternal.cpp

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		/*
		* Copyright (C) 2021 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 "BootstrapClientInternal.h"

		#include <binder/IServiceManager.h>

		namespace android {
		namespace os {
		namespace stats {

		sp<BootstrapClientInternal> BootstrapClientInternal::getInstance() {
		static sp<BootstrapClientInternal> client = new BootstrapClientInternal();
		return client;
		}

		sp<IStatsBootstrapAtomService> BootstrapClientInternal::getServiceNonBlocking() {
		std::lock_guard<std::mutex> lock(mLock);
		if (mService != nullptr) {
		return mService;
		}
		connectNonBlockingLocked();
		return mService;
		}

		void BootstrapClientInternal::binderDied(const wp<IBinder>&) {
		std::lock_guard<std::mutex> lock(mLock);
		mService = nullptr;
		connectNonBlockingLocked();
		}

		void BootstrapClientInternal::connectNonBlockingLocked() {
		const String16 name("statsbootstrap");
		mService =
		interface_cast<IStatsBootstrapAtomService>(defaultServiceManager()->checkService(name));
		if (mService != nullptr) {
		// Set up binder death.
		IInterface::asBinder(mService)->linkToDeath(this);
		}
		}

		} // namespace stats
		} // namespace os
		} // namespace android
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libstats/bootstrap/BootstrapClientInternal.h

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		/*
		* Copyright (C) 2021 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.
		*/

		#pragma once

		#include <android/os/IStatsBootstrapAtomService.h>

		namespace android {
		namespace os {
		namespace stats {

		class BootstrapClientInternal : public IBinder::DeathRecipient {
		public:
		static sp<BootstrapClientInternal> getInstance();
		void binderDied(const wp<IBinder>& who) override;
		sp<IStatsBootstrapAtomService> getServiceNonBlocking();

		private:
		BootstrapClientInternal() {}
		void connectNonBlockingLocked();

		mutable std::mutex mLock;
		sp<IStatsBootstrapAtomService> mService;
		};

		} // namespace stats
		} // namespace os
		} // namespace android

libstats/bootstrap/StatsBootstrapAtomClient.cpp

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		/*
		* Copyright (C) 2021 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 "include/StatsBootstrapAtomClient.h"

		#include <android/os/IStatsBootstrapAtomService.h>

		#include "BootstrapClientInternal.h"

		namespace android {
		namespace os {
		namespace stats {

		bool StatsBootstrapAtomClient::reportBootstrapAtom(const StatsBootstrapAtom& atom) {
		sp<IStatsBootstrapAtomService> service =
		BootstrapClientInternal::getInstance()->getServiceNonBlocking();
		if (service == nullptr) {
		return false;
		}
		return service->reportBootstrapAtom(atom).isOk();
		}

		} // namespace stats
		} // namespace os
		} // namespace android
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libstats/bootstrap/include/StatsBootstrapAtomClient.h

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		/*
		* Copyright (C) 2021 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.
		*/

		#pragma once

		#include <android/os/StatsBootstrapAtom.h>

		namespace android {
		namespace os {
		namespace stats {

		class StatsBootstrapAtomClient {
		public:
		static bool reportBootstrapAtom(const StatsBootstrapAtom& atom);
		};

		} // namespace stats
		} // namespace os
		} // namespace android
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