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Commit 841a5926 authored by Aravind Akella's avatar Aravind Akella
Browse files

Enable sensor data injection mode through adb. 

Change-Id: I415cf8ff0871fa74babaf9b879c68f210298b472
parent 3643c88f

include/gui/ISensorServer.h

+1 −1
Original line number Diff line number Diff line
@@ -40,7 +40,7 @@ public: 
    virtual Vector<Sensor> getSensorList(const String16& opPackageName) = 0;

    virtual sp<ISensorEventConnection> createSensorEventConnection(const String8& packageName,

             int mode, const String16& opPackageName) = 0;

    virtual status_t enableDataInjection(int enable) = 0;

    virtual int32_t isDataInjectionEnabled() = 0;

};



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

include/gui/SensorManager.h

+1 −1
Original line number Diff line number Diff line
@@ -107,7 +107,7 @@ public: 
    ssize_t getSensorList(Sensor const* const** list) const;

    Sensor const* getDefaultSensor(int type);

    sp<SensorEventQueue> createEventQueue(String8 packageName = String8(""), int mode = 0);

    status_t enableDataInjection(bool enable);

    bool isDataInjectionEnabled();



private:

    // DeathRecipient interface

libs/gui/ISensorServer.cpp

+2 −4
Original line number Diff line number Diff line
@@ -77,10 +77,9 @@ public: 
        return interface_cast<ISensorEventConnection>(reply.readStrongBinder());

    }



    virtual status_t enableDataInjection(int enable) {

    virtual int isDataInjectionEnabled() {

        Parcel data, reply;

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

        data.writeInt32(enable);

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

        return reply.readInt32();

    }
@@ -121,8 +120,7 @@ status_t BnSensorServer::onTransact( 
        }

        case ENABLE_DATA_INJECTION: {

            CHECK_INTERFACE(ISensorServer, data, reply);

            int32_t enable = data.readInt32();

            status_t ret = enableDataInjection(enable);

            int32_t ret = isDataInjectionEnabled();

            reply->writeInt32(static_cast<int32_t>(ret));

            return NO_ERROR;

        }

libs/gui/SensorEventQueue.cpp

+15 −7
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ 
#include <stdint.h>

#include <sys/types.h>

#include <sys/socket.h>

#include <linux/errno.h>



#include <utils/Errors.h>

#include <utils/RefBase.h>
@@ -150,13 +151,20 @@ status_t SensorEventQueue::setEventRate(Sensor const* sensor, nsecs_t ns) const 
}



status_t SensorEventQueue::injectSensorEvent(const ASensorEvent& event) {

    do {

        // Blocking call.

        ssize_t size = ::send(mSensorChannel->getFd(), &event, sizeof(event), MSG_NOSIGNAL);

   if (size < 0) {

       ALOGE("injectSensorEvent failure %zd %d", size, mSensorChannel->getFd());

        if (size >= 0) {

            return NO_ERROR;

        } else if (size < 0 && errno == EAGAIN) {

            // If send is returning a "Try again" error, sleep for 100ms and try again. In all

            // other cases log a failure and exit.

            usleep(100000);

        } else {

            ALOGE("injectSensorEvent failure %s %zd", strerror(errno), size);

            return INVALID_OPERATION;

        }

   return NO_ERROR;

    } while (true);

}



void SensorEventQueue::sendAck(const ASensorEvent* events, int count) {

libs/gui/SensorManager.cpp

+3 −3
Original line number Diff line number Diff line
@@ -153,12 +153,12 @@ sp<SensorEventQueue> SensorManager::createEventQueue(String8 packageName, int mo 
    return queue;

}



status_t SensorManager::enableDataInjection(bool enable) {

bool SensorManager::isDataInjectionEnabled() {

    Mutex::Autolock _l(mLock);

    if (assertStateLocked() == NO_ERROR) {

        return mSensorServer->enableDataInjection(enable);

        return mSensorServer->isDataInjectionEnabled();

    }

    return INVALID_OPERATION;

    return false;

}



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