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Commit fa851800 authored by Svet Ganov's avatar Svet Ganov Committed by Svetoslav Ganov
Browse files

Add API to query if a UID is active 

Test: cts-tradefed run cts-dev -m CtsCameraTestCases

Bug: 72863398

Change-Id: I8e5021f2ef4cd77fc89ae3b47cc32ad6913da0d6
parent b900363e

libs/binder/ActivityManager.cpp

+9 −0
Original line number Diff line number Diff line
@@ -80,6 +80,15 @@ void ActivityManager::unregisterUidObserver(const sp<IUidObserver>& observer) 
    }

}



bool ActivityManager::isUidActive(const uid_t uid, const String16& callingPackage)

{

    sp<IActivityManager> service = getService();

    if (service != NULL) {

        return service->isUidActive(uid, callingPackage);

    }

    return false;

}



status_t ActivityManager::linkToDeath(const sp<IBinder::DeathRecipient>& recipient) {

    sp<IActivityManager> service = getService();

    if (service != NULL) {

libs/binder/IActivityManager.cpp

+12 −0
Original line number Diff line number Diff line
@@ -78,6 +78,18 @@ public: 
         data.writeStrongBinder(IInterface::asBinder(observer));

         remote()->transact(UNREGISTER_UID_OBSERVER_TRANSACTION, data, &reply);

    }



    virtual bool isUidActive(const uid_t uid, const String16& callingPackage)

    {

         Parcel data, reply;

         data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor());

         data.writeInt32(uid);

         data.writeString16(callingPackage);

         remote()->transact(IS_UID_ACTIVE_TRANSACTION, data, &reply);

         // fail on exception

         if (reply.readExceptionCode() != 0) return false;

         return reply.readInt32() == 1;

    }

};



// ------------------------------------------------------------------------------------

libs/binder/include/binder/ActivityManager.h

+1 −0
Original line number Diff line number Diff line
@@ -50,6 +50,7 @@ public: 
                             const int32_t cutpoint,

                             const String16& callingPackage);

    void unregisterUidObserver(const sp<IUidObserver>& observer);

    bool isUidActive(const uid_t uid, const String16& callingPackage);



    status_t linkToDeath(const sp<IBinder::DeathRecipient>& recipient);

    status_t unlinkToDeath(const sp<IBinder::DeathRecipient>& recipient);

libs/binder/include/binder/IActivityManager.h

+3 −1
Original line number Diff line number Diff line
@@ -35,11 +35,13 @@ public: 
                                     const int32_t cutpoint,

                                     const String16& callingPackage) = 0;

    virtual void unregisterUidObserver(const sp<IUidObserver>& observer) = 0;

    virtual bool isUidActive(const uid_t uid, const String16& callingPackage) = 0;



    enum {

        OPEN_CONTENT_URI_TRANSACTION = IBinder::FIRST_CALL_TRANSACTION,

        REGISTER_UID_OBSERVER_TRANSACTION,

        UNREGISTER_UID_OBSERVER_TRANSACTION

        UNREGISTER_UID_OBSERVER_TRANSACTION,

        IS_UID_ACTIVE_TRANSACTION

    };

};