C++ Parcel::readStrongBinder方法代码示例

status_t BnQService::onTransact(
    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
    // IPC should be from mediaserver only
    IPCThreadState* ipc = IPCThreadState::self();
    const int callerPid = ipc->getCallingPid();
    const int callerUid = ipc->getCallingUid();

    const bool permission = (callerUid == AID_MEDIA);

    switch(code) {
        case CONNECT: {
            CHECK_INTERFACE(IQService, data, reply);

            sp<IQClient> client =
                interface_cast<IQClient>(data.readStrongBinder());
            connect(client);
            return NO_ERROR;
        } break;
		case SETMEM: {
            CHECK_INTERFACE(IQService, data, reply);

            sp<IMemory> sharedBuffer =
                interface_cast<IMemory>(data.readStrongBinder());
            setMemory(sharedBuffer);
            return NO_ERROR;
        } break;
        default:
            return BBinder::onTransact(code, data, reply, flags);
    }
}

status_t BnSoundTriggerClient::onTransact(
    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
    switch(code) {
        case ON_RECOGNITION_EVENT: {
            CHECK_INTERFACE(ISoundTriggerClient, data, reply);
            sp<IMemory> eventMemory = interface_cast<IMemory>(
                data.readStrongBinder());
            onRecognitionEvent(eventMemory);
            return NO_ERROR;
        } break;
        case ON_SOUNDMODEL_EVENT: {
            CHECK_INTERFACE(ISoundTriggerClient, data, reply);
            sp<IMemory> eventMemory = interface_cast<IMemory>(
                data.readStrongBinder());
            onSoundModelEvent(eventMemory);
            return NO_ERROR;
        } break;
        case ON_SERVICE_STATE_CHANGE: {
            CHECK_INTERFACE(ISoundTriggerClient, data, reply);
            sp<IMemory> eventMemory = interface_cast<IMemory>(
                data.readStrongBinder());
            onServiceStateChange(eventMemory);
            return NO_ERROR;
        } break;
        default:
            return BBinder::onTransact(code, data, reply, flags);
    }
}

status_t layer_state_t::read(const Parcel& input)
{
    surface = input.readStrongBinder();
    what = input.readUint32();
    x = input.readFloat();
    y = input.readFloat();
    z = input.readUint32();
    w = input.readUint32();
    h = input.readUint32();
    layerStack = input.readUint32();
    alpha = input.readFloat();
    flags = static_cast<uint8_t>(input.readUint32());
    mask = static_cast<uint8_t>(input.readUint32());
    const void* matrix_data = input.readInplace(sizeof(layer_state_t::matrix22_t));
    if (matrix_data) {
        matrix = *reinterpret_cast<layer_state_t::matrix22_t const *>(matrix_data);
    } else {
        return BAD_VALUE;
    }
    input.read(crop);
    input.read(finalCrop);
    handle = input.readStrongBinder();
    frameNumber = input.readUint64();
    overrideScalingMode = input.readInt32();
    input.read(transparentRegion);
    return NO_ERROR;
}

status_t BnMediaLogService::onTransact(
    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
    switch (code) {

    case REGISTER_WRITER: {
        CHECK_INTERFACE(IMediaLogService, data, reply);
        sp<IMemory> shared = interface_cast<IMemory>(data.readStrongBinder());
        size_t size = (size_t) data.readInt32();
        const char *name = data.readCString();
        registerWriter(shared, size, name);
        return NO_ERROR;
    }

    case UNREGISTER_WRITER: {
        CHECK_INTERFACE(IMediaLogService, data, reply);
        sp<IMemory> shared = interface_cast<IMemory>(data.readStrongBinder());
        unregisterWriter(shared);
        return NO_ERROR;
    }

    default:
        return BBinder::onTransact(code, data, reply, flags);
    }
}

status_t BnCameraRecordingProxy::onTransact(
    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
    switch(code) {
        case START_RECORDING: {
            ALOGV("START_RECORDING");
            CHECK_INTERFACE(ICameraRecordingProxy, data, reply);
            sp<ICameraRecordingProxyListener> listener =
                interface_cast<ICameraRecordingProxyListener>(data.readStrongBinder());
            reply->writeInt32(startRecording(listener));
            return NO_ERROR;
        } break;
        case STOP_RECORDING: {
            ALOGV("STOP_RECORDING");
            CHECK_INTERFACE(ICameraRecordingProxy, data, reply);
            stopRecording();
            return NO_ERROR;
        } break;
        case RELEASE_RECORDING_FRAME: {
            ALOGV("RELEASE_RECORDING_FRAME");
            CHECK_INTERFACE(ICameraRecordingProxy, data, reply);
            sp<IMemory> mem = interface_cast<IMemory>(data.readStrongBinder());
            releaseRecordingFrame(mem);
            return NO_ERROR;
        } break;

        default:
            return BBinder::onTransact(code, data, reply, flags);
    }
}

status_t BnMcuService::onTransact(
    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
	ALOGI("BnMcuService::onTransact, code[%d]", code);
    switch (code) {
        case GET_TEST: {
            CHECK_INTERFACE(IMcuService, data, reply);
            int result = getTest();
            reply->writeInt32(result);
            return NO_ERROR;
        } break;
		case obtain_info: {
            CHECK_INTERFACE(IMcuService, data, reply);
			int domain = data.readInt32();
			int cmd = data.readInt32();
			Parcel out;
            bool res = obtainInfo(domain, cmd, out);
			reply->appendFrom(&out, 0, out.dataSize());
			reply->writeInt32(res?1:0);
			out.freeData();
            return NO_ERROR;
        } break;
		case send_info: {
            CHECK_INTERFACE(IMcuService, data, reply);
			int domain = data.readInt32();
			int cmd = data.readInt32();
			Parcel in;
			if(data.dataAvail() >0)
			{
				in.appendFrom(&data, data.dataPosition(), data.dataSize()-data.dataPosition());
				in.setDataPosition(0);
			}
			bool res = sendInfo(domain, cmd, in);
			reply->writeInt32(res?1:0);
			in.freeData();
            return NO_ERROR;
        } break;
		case regist_data_changed_listener: {
            CHECK_INTERFACE(IMcuService, data, reply);
			int domain = data.readInt32();
           	sp<IDataChangedListener> client = interface_cast<IDataChangedListener>(data.readStrongBinder());
            bool res = registDataChanagedListener(domain, client);
            reply->writeInt32((res?1:0));
            return NO_ERROR;
        } break; 
		case unregist_data_changed_listener: {
            CHECK_INTERFACE(IMcuService, data, reply);
			int domain = data.readInt32();
           	sp<IDataChangedListener> client = interface_cast<IDataChangedListener>(data.readStrongBinder());
            bool res = unregistDataChanagedListener(domain, client);
            reply->writeInt32((res?1:0));
            return NO_ERROR;
        } break;
        default:
            return BBinder::onTransact(code, data, reply, flags);
    }
}

status_t BnSoundTrigger::onTransact(
    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
    switch(code) {
        case DETACH: {
            ALOGV("DETACH");
            CHECK_INTERFACE(ISoundTrigger, data, reply);
            detach();
            return NO_ERROR;
        } break;
        case LOAD_SOUND_MODEL: {
            CHECK_INTERFACE(ISoundTrigger, data, reply);
            sp<IMemory> modelMemory = interface_cast<IMemory>(
                data.readStrongBinder());
            sound_model_handle_t handle;
            status_t status = loadSoundModel(modelMemory, &handle);
            reply->writeInt32(status);
            if (status == NO_ERROR) {
                reply->write(&handle, sizeof(sound_model_handle_t));
            }
            return NO_ERROR;
        }
        case UNLOAD_SOUND_MODEL: {
            CHECK_INTERFACE(ISoundTrigger, data, reply);
            sound_model_handle_t handle;
            data.read(&handle, sizeof(sound_model_handle_t));
            status_t status = unloadSoundModel(handle);
            reply->writeInt32(status);
            return NO_ERROR;
        }
        case START_RECOGNITION: {
            CHECK_INTERFACE(ISoundTrigger, data, reply);
            sound_model_handle_t handle;
            data.read(&handle, sizeof(sound_model_handle_t));
            sp<IMemory> dataMemory;
            if (data.readInt32() != 0) {
                dataMemory = interface_cast<IMemory>(data.readStrongBinder());
            }
            status_t status = startRecognition(handle, dataMemory);
            reply->writeInt32(status);
            return NO_ERROR;
        }
        case STOP_RECOGNITION: {
            CHECK_INTERFACE(ISoundTrigger, data, reply);
            sound_model_handle_t handle;
            data.read(&handle, sizeof(sound_model_handle_t));
            status_t status = stopRecognition(handle);
            reply->writeInt32(status);
            return NO_ERROR;
        }
        default:
            return BBinder::onTransact(code, data, reply, flags);
    }
}

status_t BBinder::onTransact(
    uint32_t code, const Parcel& data, Parcel* reply, uint32_t /*flags*/)
{
    switch (code) {
        case INTERFACE_TRANSACTION:
            reply->writeString16(getInterfaceDescriptor());
            return NO_ERROR;

        case DUMP_TRANSACTION: {
            int fd = data.readFileDescriptor();
            int argc = data.readInt32();
            Vector<String16> args;
            for (int i = 0; i < argc && data.dataAvail() > 0; i++) {
               args.add(data.readString16());
            }
            return dump(fd, args);
        }

        case SHELL_COMMAND_TRANSACTION: {
            int in = data.readFileDescriptor();
            int out = data.readFileDescriptor();
            int err = data.readFileDescriptor();
            int argc = data.readInt32();
            Vector<String16> args;
            for (int i = 0; i < argc && data.dataAvail() > 0; i++) {
               args.add(data.readString16());
            }
            sp<IShellCallback> shellCallback = IShellCallback::asInterface(
                    data.readStrongBinder());
            sp<IResultReceiver> resultReceiver = IResultReceiver::asInterface(
                    data.readStrongBinder());

            // XXX can't add virtuals until binaries are updated.
            //return shellCommand(in, out, err, args, resultReceiver);
            (void)in;
            (void)out;
            (void)err;

            if (resultReceiver != NULL) {
                resultReceiver->send(INVALID_OPERATION);
            }

            return NO_ERROR;
        }

        case SYSPROPS_TRANSACTION: {
            report_sysprop_change();
            return NO_ERROR;
        }

        default:
            return UNKNOWN_TRANSACTION;
    }
}

status_t BnCameraClient::onTransact(
    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
    switch(code) {
        case NOTIFY_CALLBACK: {
            ALOGV("NOTIFY_CALLBACK");
            CHECK_INTERFACE(ICameraClient, data, reply);
            int32_t msgType = data.readInt32();
            int32_t ext1    = data.readInt32();
            int32_t ext2    = 0;
            if ((msgType == CAMERA_MSG_PREVIEW_FRAME) && (ext1 == CAMERA_FRAME_DATA_FD)) {
                ext2 = data.readFileDescriptor();
                ALOGD("onTransact: CAMERA_MSG_PREVIEW_FRAME fd = %d", ext2);
            } else {
                ext2 = data.readInt32();
            }
            notifyCallback(msgType, ext1, ext2);
            return NO_ERROR;
        } break;
        case DATA_CALLBACK: {
            ALOGV("DATA_CALLBACK");
            CHECK_INTERFACE(ICameraClient, data, reply);
            int32_t msgType = data.readInt32();
            sp<IMemory> imageData = interface_cast<IMemory>(data.readStrongBinder());
            camera_frame_metadata_t *metadata = NULL;
            if (data.dataAvail() > 0) {
                metadata = new camera_frame_metadata_t;
                metadata->number_of_faces = data.readInt32();
                metadata->faces = (camera_face_t *) data.readInplace(
                        sizeof(camera_face_t) * metadata->number_of_faces);
            }
            dataCallback(msgType, imageData, metadata);
            if (metadata) delete metadata;
            return NO_ERROR;
        } break;
        case DATA_CALLBACK_TIMESTAMP: {
            ALOGV("DATA_CALLBACK_TIMESTAMP");
            CHECK_INTERFACE(ICameraClient, data, reply);
            nsecs_t timestamp = data.readInt64();
            int32_t msgType = data.readInt32();
            sp<IMemory> imageData = interface_cast<IMemory>(data.readStrongBinder());
            dataCallbackTimestamp(timestamp, msgType, imageData);
            return NO_ERROR;
        } break;
        default:
            return BBinder::onTransact(code, data, reply, flags);
    }
}

status_t BnRemoteDisplayClient::onTransact(
    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
    switch (code) {
    case ON_DISPLAY_CONNECTED: {
        CHECK_INTERFACE(IRemoteDisplayClient, data, reply);
        sp<IGraphicBufferProducer> surfaceTexture(
            interface_cast<IGraphicBufferProducer>(data.readStrongBinder()));
        uint32_t width = data.readInt32();
        uint32_t height = data.readInt32();
        uint32_t flags = data.readInt32();
        uint32_t session = data.readInt32();
        onDisplayConnected(surfaceTexture, width, height, flags, session);
        return NO_ERROR;
    }
    case ON_DISPLAY_DISCONNECTED: {
        CHECK_INTERFACE(IRemoteDisplayClient, data, reply);
        onDisplayDisconnected();
        return NO_ERROR;
    }
    case ON_DISPLAY_ERROR: {
        CHECK_INTERFACE(IRemoteDisplayClient, data, reply);
        int32_t error = data.readInt32();
        onDisplayError(error);
        return NO_ERROR;
    }
    default:
        return BBinder::onTransact(code, data, reply, flags);
    }
}

static jlong nativeReadFromParcel(JNIEnv* env, jclass clazz,
        jlong nativeObject, jobject parcelObj) {
    Parcel* parcel = parcelForJavaObject(env, parcelObj);
    if (parcel == NULL) {
        doThrowNPE(env);
        return 0;
    }

    sp<Surface> self(reinterpret_cast<Surface *>(nativeObject));
    sp<IBinder> binder(parcel->readStrongBinder());

    // update the Surface only if the underlying IGraphicBufferProducer
    // has changed.
    if (self != NULL
            && (self->getIGraphicBufferProducer()->asBinder() == binder)) {
        // same IGraphicBufferProducer, return ourselves
        return jlong(self.get());
    }

    sp<Surface> sur;
    sp<IGraphicBufferProducer> gbp(interface_cast<IGraphicBufferProducer>(binder));
    if (gbp != NULL) {
        // we have a new IGraphicBufferProducer, create a new Surface for it
        sur = new Surface(gbp, true);
        // and keep a reference before passing to java
        sur->incStrong(&sRefBaseOwner);
    }

    if (self != NULL) {
        // and loose the java reference to ourselves
        self->decStrong(&sRefBaseOwner);
    }

    return jlong(sur.get());
}

status_t BnRTCNode::onTransact(
    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
     switch(code) {
        case kIDTransport: {
            rtc_binder_data_t out;
            out.data = &data;
            out.reply = reply;
            // Reserved 4 bytes;
            reply->writeInt32(0);
            int ret = Transport(&out);
            int pos = reply->dataPosition();
            reply->setDataPosition(0);
            reply->writeInt32(ret);
            reply->setDataPosition(pos);
            return NO_ERROR;
        } break;
        case kIDResigerObs: {
            CHECK_INTERFACE(IRTCNode, data, reply);
            sp<IBinder> handle = data.readStrongBinder();
            sp<IRTCNode> node = interface_cast<IRTCNode>(handle);
            int ret = RegisterObserver(node);
            reply->writeInt32(ret);
            return NO_ERROR;
        }break;
        default:
            return BBinder::onTransact(code, data, reply, flags);
    }
}

status_t BnGpsdService::onTransact(uint32_t code,
                                  const Parcel &data,
                                  Parcel *reply,
                                  uint32_t flags)
{
    sp<IGpsdClient> listener;
    printf("%s called, code: %d\n", __FUNCTION__, code);

    switch (code) {
        case GET_GPS:
            CHECK_INTERFACE(IGpsdService, data, reply);
            listener = interface_cast<IGpsdClient>(data.readStrongBinder());
            listener->onChanged(234);
//            listener->show();
//            reply->writeInt32(EX_NO_ERROR);
            return android::NO_ERROR;

            break;

        default:
            return BBinder::onTransact(code, data, reply, flags);
    }

    return android::NO_ERROR;
}

status_t BnCameraService::onTransact(
    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
    switch(code) {
        case GET_NUMBER_OF_CAMERAS: {
            CHECK_INTERFACE(ICameraService, data, reply);
            reply->writeInt32(getNumberOfCameras());
            return NO_ERROR;
        } break;
        case GET_CAMERA_INFO: {
            CHECK_INTERFACE(ICameraService, data, reply);
            CameraInfo cameraInfo;
            memset(&cameraInfo, 0, sizeof(cameraInfo));
            status_t result = getCameraInfo(data.readInt32(), &cameraInfo);
            reply->writeInt32(cameraInfo.facing);
            reply->writeInt32(cameraInfo.orientation);
            reply->writeInt32(result);
            return NO_ERROR;
        } break;
        case CONNECT: {
            CHECK_INTERFACE(ICameraService, data, reply);
            sp<ICameraClient> cameraClient = interface_cast<ICameraClient>(data.readStrongBinder());
            sp<ICamera> camera = connect(cameraClient, data.readInt32());
            reply->writeStrongBinder(camera->asBinder());
            return NO_ERROR;
        } break;
        default:
            return BBinder::onTransact(code, data, reply, flags);
    }
}

status_t BnStreamSource::onTransact(
        uint32_t code, const Parcel &data, Parcel *reply, uint32_t flags) {
    switch (code) {
        case SET_LISTENER:
        {
            CHECK_INTERFACE(IStreamSource, data, reply);
            setListener(
                    interface_cast<IStreamListener>(data.readStrongBinder()));
            break;
        }

        case SET_BUFFERS:
        {
            CHECK_INTERFACE(IStreamSource, data, reply);
            size_t n = static_cast<size_t>(data.readInt32());
            Vector<sp<IMemory> > buffers;
            for (size_t i = 0; i < n; ++i) {
                sp<IMemory> mem =
                    interface_cast<IMemory>(data.readStrongBinder());

                buffers.push(mem);
            }
            setBuffers(buffers);
            break;
        }

        case ON_BUFFER_AVAILABLE:
        {
            CHECK_INTERFACE(IStreamSource, data, reply);
            onBufferAvailable(static_cast<size_t>(data.readInt32()));
            break;
        }

        case FLAGS:
        {
            CHECK_INTERFACE(IStreamSource, data, reply);
            reply->writeInt32(this->flags());
            break;
        }

        default:
            return BBinder::onTransact(code, data, reply, flags);
    }

    return OK;
}