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Commit c02fb90c authored by Tej Singh's avatar Tej Singh Committed by Automerger Merge Worker
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Merge "Create manager lib for StatsBootstrapAtomService" am: f1e4354b am:... 

Merge "Create manager lib for StatsBootstrapAtomService" am: f1e4354b am: c43654c6 am: 9cb1ded3 am: 7a63f7a8

Original change: https://android-review.googlesource.com/c/platform/system/core/+/1897202

Change-Id: Ifd8858395ba97552d4e11fb8341a12a7a8f32f0e
parents 161d4b84 7a63f7a8

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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