TEST_F(PointerCoordsTest, Parcel) {
    Parcel parcel;

    PointerCoords inCoords;
    inCoords.clear();
    PointerCoords outCoords;

    // Round trip with empty coords.
    inCoords.writeToParcel(&parcel);
    parcel.setDataPosition(0);
    outCoords.readFromParcel(&parcel);

    ASSERT_EQ(0ULL, outCoords.bits);

    // Round trip with some values.
    parcel.freeData();
    inCoords.setAxisValue(2, 5);
    inCoords.setAxisValue(5, 8);

    inCoords.writeToParcel(&parcel);
    parcel.setDataPosition(0);
    outCoords.readFromParcel(&parcel);

    ASSERT_EQ(outCoords.bits, inCoords.bits);
    ASSERT_EQ(outCoords.values[0], inCoords.values[0]);
    ASSERT_EQ(outCoords.values[1], inCoords.values[1]);
}
/**
 * Check a parcel containing metadata is well formed. The header
 * is checked as well as the individual records format. However, the
 * data inside the record is not checked because we do lazy access
 * (we check/unmarshall only data the user asks for.)
 *
 * Format of a metadata parcel:
 <pre>
                     1                   2                   3
  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  |                     metadata total size                       |
  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  |     'M'       |     'E'       |     'T'       |     'A'       |
  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  |                                                               |
  |                .... metadata records ....                     |
  |                                                               |
  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 </pre>
 *
 * @param parcel With the serialized data. Metadata keeps a
 *               reference on it to access it later on. The caller
 *               should not modify the parcel after this call (and
 *               not call recycle on it.)
 * @return false if an error occurred.
 */
bool CedarMetadata::parse(Parcel& parcel)
{
	if (parcel.dataAvail() < (size_t)kMetaHeaderSize) {
		ALOGE("Not enough data %d", parcel.dataAvail());
		return false;
	}

	const int pin = parcel.dataPosition();  // to roll back in case of errors.
	const int size = parcel.readInt32();

	// The extra kInt32Size below is to account for the int32 'size' just read.
	if (parcel.dataAvail() + kInt32Size < (size_t)size || size < kMetaHeaderSize) {
		ALOGE("Bad size %d avail %d position %d", size, parcel.dataAvail(), pin);
		parcel.setDataPosition(pin);
		return false;
	}

	// Checks if the 'M' 'E' 'T' 'A' marker is present.
	const int kShouldBeMetaMarker = parcel.readInt32();
	if (kShouldBeMetaMarker != kMetaMarker ) {
		ALOGE("Marker missing");
		parcel.setDataPosition(pin);
		return false;
	}

	// Scan the records to collect metadata ids and offsets.
	if (!scanAllRecords(parcel, size - kMetaHeaderSize)) {
		parcel.setDataPosition(pin);
		return false;
	}
	mParcel = &parcel;
	return true;
}
Example #3
0
status_t Status::readFromParcel(const Parcel& parcel) {
    status_t status = parcel.readInt32(&mException);
    if (status != OK) {
        setFromStatusT(status);
        return status;
    }

    // Skip over fat response headers.  Not used (or propagated) in native code.
    if (mException == EX_HAS_REPLY_HEADER) {
        // Note that the header size includes the 4 byte size field.
        const int32_t header_start = parcel.dataPosition();
        int32_t header_size;
        status = parcel.readInt32(&header_size);
        if (status != OK) {
            setFromStatusT(status);
            return status;
        }
        parcel.setDataPosition(header_start + header_size);
        // And fat response headers are currently only used when there are no
        // exceptions, so act like there was no error.
        mException = EX_NONE;
    }

    if (mException == EX_NONE) {
        return status;
    }

    // The remote threw an exception.  Get the message back.
    String16 message;
    status = parcel.readString16(&message);
    if (status != OK) {
        setFromStatusT(status);
        return status;
    }
    mMessage = String8(message);

    if (mException == EX_SERVICE_SPECIFIC) {
        status = parcel.readInt32(&mErrorCode);
    } else if (mException == EX_PARCELABLE) {
        // Skip over the blob of Parcelable data
        const int32_t header_start = parcel.dataPosition();
        int32_t header_size;
        status = parcel.readInt32(&header_size);
        if (status != OK) {
            setFromStatusT(status);
            return status;
        }
        parcel.setDataPosition(header_start + header_size);
    }
    if (status != OK) {
        setFromStatusT(status);
        return status;
    }

    return status;
}
    void CheckDataEquals(const Parcel& parcel, const char* content) {
        int32_t intval;
        parcel.setDataPosition(16);
        parcel.readInt32(&intval);
        parcel.setDataPosition(24);
        const char* data = (const char*) parcel.readInplace(intval);

        int32_t content_len = strlen(content);
        EXPECT_EQ(content_len, intval);
        EXPECT_TRUE(strncmp(data, content, content_len) == 0);
    }
/* 
 * packRILcommandString
 * Used for packing standard AT command string to RIL command.
 * 
 * IN   *inStr      : AT command string with NULL terminate
 * IN   *prefix     : prefix of AT response
 * OUT  **outCmd    : RAW RIL command out. Caller is responsible to free this resource.
 * RETUURN          : Length of outCmd data.   
 */
size_t packRILCommand(char *inStr, char *prefix, char **outCmd)
{
	/* |Request Enum |Request Token|Number of Strings|Srings.....|
	 * |<--4 bytes-->|<--4 bytes-->|<--- 4 bytes --->|<------  ->|	
	 */
    size_t length = 0;
    char *cmdStr[2] = {NULL,NULL};
    char *pData = NULL;
    Parcel p;
    static int s_token = 0;

    if ((NULL == inStr)||(NULL == outCmd)) {
        return 0;
    }

    cmdStr[0] = inStr;
    cmdStr[1] = prefix;

   // p.writeInt32(length); /* fake write to reserve space */
    p.writeInt32(RIL_REQUEST_OEM_HOOK_STRINGS);
    p.writeInt32(s_token++);
    
    packStrings(p,cmdStr,2*sizeof(char *)); /* ONLY support 1 string now */

    length = p.dataSize();
    
#if 0
    offset = p.dataPosition(); /* Store data position */

    p.setDataPosition(0); /* Move to the buffer pointer to head */

    p.writeInt32(length - 4); /* Update data length */

    p.setDataPosition(offset); /* Restore data position */
#endif /* 0 */

    pData = (char *) malloc(length);

    if (NULL != pData) {
        memcpy(pData,p.data(),length);
        *outCmd = pData;
        LOGI("packRILCommand: %d bytes\n",length);
        printRawData((const void *) pData, length);
        
    } else {
        return 0;
    }

	return length;
}
static void android_os_Parcel_setDataPosition(JNIEnv* env, jclass clazz, jlong nativePtr, jint pos)
{
    Parcel* parcel = reinterpret_cast<Parcel*>(nativePtr);
    if (parcel != NULL) {
        parcel->setDataPosition(pos);
    }
}
bool
CmdImp::
initSurface()
{
    mi4SurfaceID = 0;

    // create a client to surfaceflinger
    mpSurfaceClient = new SurfaceComposerClient();

    mpSurfaceControl = mpSurfaceClient->createSurface(
        String8("surface"), mi4SurfaceID, 480, 800, PIXEL_FORMAT_RGBA_8888
    );
    SurfaceComposerClient::openGlobalTransaction();
    mpSurfaceControl->setLayer(100000);
    SurfaceComposerClient::closeGlobalTransaction();
    // pretend it went cross-process
    Parcel parcel;
    SurfaceControl::writeSurfaceToParcel(mpSurfaceControl, &parcel);
    parcel.setDataPosition(0);
    mpSurface = Surface::readFromParcel(parcel);
    mpWindow = mpSurface.get();
    //
    CAM_LOGD("setupSurface: %p", mpSurface.get());
    return  (mpSurface != 0);
}
bool
CmdImp::
initSurface()
{
    mi4SurfaceID = 0;

    // create a client to surfaceflinger
    mpSurfaceClient = new SurfaceComposerClient();

#if (PLATFORM_VERSION_MAJOR == 2)
    mpSurfaceControl = mpSurfaceClient->createSurface(getpid(), 0, 480, 800, PIXEL_FORMAT_RGBA_8888, ISurfaceComposer::ePushBuffers);
#else
    mpSurfaceControl = mpSurfaceClient->createSurface(
        String8("surface"), /*mi4SurfaceID,*/ 480, 800, PIXEL_FORMAT_RGBA_8888
    );
#endif

    SurfaceComposerClient::openGlobalTransaction();
    mpSurfaceControl->setLayer(100000);
    SurfaceComposerClient::closeGlobalTransaction();
    // pretend it went cross-process
    Parcel parcel;
    SurfaceControl::writeSurfaceToParcel(mpSurfaceControl, &parcel);
    parcel.setDataPosition(0);
    mpSurface = Surface::readFromParcel(parcel);
    //
    CAM_LOGD("setupSurface: %p", mpSurface.get());
    return  (mpSurface != 0);
}
bool
CmdImp::
initSurface()
{
    mi4SurfaceID = 0;

    // create a client to surfaceflinger
    mpSurfaceClient = new SurfaceComposerClient();

    mpSurfaceControl = mpSurfaceClient->createSurface(
        String8("surface"), mi4SurfaceID, 540, 960, PIXEL_FORMAT_RGBA_8888
    );
    SurfaceComposerClient::openGlobalTransaction();
    mpSurfaceControl->setLayer(100000);
    SurfaceComposerClient::closeGlobalTransaction();
    // pretend it went cross-process
    Parcel parcel;
    SurfaceControl::writeSurfaceToParcel(mpSurfaceControl, &parcel);
    parcel.setDataPosition(0);
    mpSurface = Surface::readFromParcel(parcel);
    mpWindow = mpSurface.get();
    //
/*
    printf("window=%p\n", mpWindow);
    native_window_api_connect(mpWindow, NATIVE_WINDOW_API_CAMERA);
    native_window_set_buffers_geometry(mpWindow, mpArgument->mPreviewSize.width, mpArgument->mPreviewSize.height, HAL_PIXEL_FORMAT_YV12);
    native_window_set_usage(mpWindow, GraphicBuffer::USAGE_SW_WRITE_OFTEN|GraphicBuffer::USAGE_HW_TEXTURE);
    native_window_set_scaling_mode(mpWindow, NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW);    
    native_window_set_buffers_transform(mpWindow, HAL_TRANSFORM_ROT_90);
    native_window_set_buffer_count(mpWindow, 5);
*/
    //
    CAM_LOGD("setupSurface: %p", mpSurface.get());
    return  (mpSurface != 0);
}
Example #10
0
// Test SharedRegionParcel.
TEST(test_marshalling, aaudio_shared_region) {
    SharedMemoryParcelable sharedMemories[2];
    SharedRegionParcelable sharedRegionA;
    SharedRegionParcelable sharedRegionB;
    const size_t memSizeBytes = 840;
    unique_fd fd(ashmem_create_region("TestMarshalling", memSizeBytes));
    ASSERT_LE(0, fd);
    sharedMemories[0].setup(fd, memSizeBytes);
    int32_t regionOffset1 = 32;
    int32_t regionSize1 = 16;
    sharedRegionA.setup(0, regionOffset1, regionSize1);

    void *region1;
    EXPECT_EQ(AAUDIO_OK, sharedRegionA.resolve(sharedMemories, &region1));
    int32_t *buffer1 = (int32_t *)region1;
    buffer1[0] = 336677; // arbitrary value

    Parcel parcel;
    size_t pos = parcel.dataPosition();
    sharedRegionA.writeToParcel(&parcel);

    parcel.setDataPosition(pos);
    sharedRegionB.readFromParcel(&parcel);

    // should see same value
    void *region2;
    EXPECT_EQ(AAUDIO_OK, sharedRegionB.resolve(sharedMemories, &region2));
    int32_t *buffer2 = (int32_t *)region2;
    EXPECT_EQ(buffer1[0], buffer2[0]);
}
Example #11
0
// Test SharedMemoryParcel.
TEST(test_marshalling, aaudio_shared_memory) {
    SharedMemoryParcelable sharedMemoryA;
    SharedMemoryParcelable sharedMemoryB;
    const size_t memSizeBytes = 840;
    unique_fd fd(ashmem_create_region("TestMarshalling", memSizeBytes));
    ASSERT_LE(0, fd);
    sharedMemoryA.setup(fd, memSizeBytes);
    void *region1;
    EXPECT_EQ(AAUDIO_OK, sharedMemoryA.resolve(0, 16, &region1)); // fits in region
    EXPECT_NE(AAUDIO_OK, sharedMemoryA.resolve(-2, 16, &region1)); // offset is negative
    EXPECT_NE(AAUDIO_OK, sharedMemoryA.resolve(0, memSizeBytes + 8, &region1)); // size too big
    EXPECT_NE(AAUDIO_OK, sharedMemoryA.resolve(memSizeBytes - 8, 16, &region1)); // goes past the end
    int32_t *buffer1 = (int32_t *)region1;
    buffer1[0] = 98735; // arbitrary value

    Parcel parcel;
    size_t pos = parcel.dataPosition();
    sharedMemoryA.writeToParcel(&parcel);

    parcel.setDataPosition(pos);
    sharedMemoryB.readFromParcel(&parcel);
    EXPECT_EQ(sharedMemoryA.getSizeInBytes(), sharedMemoryB.getSizeInBytes());

    // should see same value at two different addresses
    void *region2;
    EXPECT_EQ(AAUDIO_OK, sharedMemoryB.resolve(0, 16, &region2));
    int32_t *buffer2 = (int32_t *)region2;
    EXPECT_NE(buffer1, buffer2);
    EXPECT_EQ(buffer1[0], buffer2[0]);
}
Example #12
0
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);
    }
}
Example #13
0
int MokoidSurface::clientInit(int x, int y, int w, int h, int *stride)
{
	int depth = 16;
	int fmt;

	surfaceflinger_client = new SurfaceComposerClient;
	if (surfaceflinger_client == NULL) {
		LOGE("failed to create client\n");
		return 0;
	}

	fmt = getFormat(depth);
	if (fmt == PIXEL_FORMAT_UNKNOWN) {
		LOGE("failed to find a format for depth %d\n", depth);
		return 0;
	}

	// Refactor in Android 4.0
	surfaceflinger_surfaceControl = 
		surfaceflinger_client->createSurface(getpid(), 0, w, h, fmt);
	if (surfaceflinger_surfaceControl == NULL) {
		LOGE("failed to create surfaceControl\n");
		return 0;
	}

	// Refactor in Android 4.0
	surfaceflinger_surface = surfaceflinger_surfaceControl->getSurface();

	//surfaceflinger_client->openGlobalTransaction();
	SurfaceComposerClient::openGlobalTransaction();
	surfaceflinger_surfaceControl->setPosition(x, y);
	surfaceflinger_surfaceControl->setLayer(INT_MAX);
	//surfaceflinger_client->closeGlobalTransaction();
	SurfaceComposerClient::closeGlobalTransaction();

	if (stride)
		*stride = w * depth / 8;

	// Get native window
	Parcel parcel;
	SurfaceControl::writeSurfaceToParcel(surfaceflinger_surfaceControl, &parcel);
	parcel.setDataPosition(0);
	sp<Surface> surface = Surface::readFromParcel(parcel);
	ANativeWindow* window = surface.get();

	LOGI("mokoid native window = %p", window);

	int err = native_window_set_buffer_count(window, 4);
	ANativeWindowBuffer* buffer;

	for (int i = 0; i < 4; i++) {
		window->dequeueBuffer(window, &buffer);
		LOGI("mokoid buffer %d: %p\n", i, buffer);
	}

	return 1;
}
int PhoneMachine::incomingThread()
{
	char boardname[PROPERTY_VALUE_MAX];
	if (property_get("ro.product.board", boardname, "") > 0) {
		SLOGV("%s: -------------Board %s -----------------\n", __FUNCTION__, boardname);
		// QCOM Version 4.1.2 onwards, supports multiple clients and needs a SUB1/2 string to
		// identify client
		// For this example code we will just use "SUB1" for client 0
		if ( !strcasecmp(boardname, "msm8960")) {
			char *sub = "SUB1";
			int ret = ::send(mRILfd, sub, sizeof(sub), 0);
			if (ret != (int) sizeof(sub)) {
	    		perror("Socket write error when sending parcel"); 
	    		return ret;
			}
			SLOGV("%s: sent SUB1\n", __FUNCTION__);
		}
	}
	else SLOGE("%s: could not get device name\n", __FUNCTION__);

    while (1) {
	uint32_t header;
	int ret = read(mRILfd, &header, sizeof(header));

	if (ret != sizeof(header)) {
	    SLOGW("Read %d bytes instead of %d\n", ret, sizeof(header));
	    perror("PhoneMachine::incomingThread read on header");
	    return ret;
	}
	int data_size = ntohl(header);
	Parcel data;
	ret = read(mRILfd, data.writeInplace(data_size), data_size);
	if (ret != data_size) {
	    perror("PhoneMachine::incomingThread read on payload");
	    return ret;
	}
	if (mDebug & DEBUG_INCOMING) {
	    SLOGV("<<<<<<< INCOMING <<<<<<<<<<\n");
	    const uint8_t *ptr = data.data();
	    for (int i = 0 ; i < data_size ; i++ ) {
		SLOGV("%02x ", *ptr++);
		if ((i+1) % 8 == 0 || (i+1 >= data_size))
		    SLOGV("\n");
	    }
	    SLOGV("<<<<<<<<<<<<<<<<<<<<<<<<<<<\n");
	}
	data.setDataPosition(0);
	int type = data.readInt32();
//	SLOGV("New message received: %d bytes type=%s\n", data_size, 
//	       (type ==RESPONSE_SOLICITED ? "solicited" : "unsolicited"));
	if (type == RESPONSE_SOLICITED) 
	    receiveSolicited(data);
	else
	    receiveUnsolicited(data);
    }
    return NO_ERROR;
}
Example #15
0
// Test RingBufferParcelable.
TEST(test_marshalling, aaudio_ring_buffer_parcelable) {
    SharedMemoryParcelable sharedMemories[2];
    RingBufferParcelable ringBufferA;
    RingBufferParcelable ringBufferB;

    const size_t bytesPerFrame = 8;
    const size_t framesPerBurst = 32;
    const size_t dataSizeBytes = 2048;
    const int32_t counterSizeBytes = sizeof(int64_t);
    const size_t memSizeBytes = dataSizeBytes + (2 * counterSizeBytes);

    unique_fd fd(ashmem_create_region("TestMarshalling Z", memSizeBytes));
    ASSERT_LE(0, fd);
    sharedMemories[0].setup(fd, memSizeBytes);

    int32_t sharedMemoryIndex = 0;
    // arrange indices and data in the shared memory
    int32_t readOffset = 0;
    int32_t writeOffset = readOffset + counterSizeBytes;
    int32_t dataOffset = writeOffset + counterSizeBytes;
    ringBufferA.setupMemory(sharedMemoryIndex, dataOffset, dataSizeBytes,
        readOffset, writeOffset, counterSizeBytes);
    ringBufferA.setFramesPerBurst(framesPerBurst);
    ringBufferA.setBytesPerFrame(bytesPerFrame);
    ringBufferA.setCapacityInFrames(dataSizeBytes / bytesPerFrame);

    // setup A
    RingBufferDescriptor descriptorA;
    EXPECT_EQ(AAUDIO_OK, ringBufferA.resolve(sharedMemories, &descriptorA));
    descriptorA.dataAddress[0] = 95;
    descriptorA.dataAddress[1] = 57;
    descriptorA.readCounterAddress[0] = 17;
    descriptorA.writeCounterAddress[0] = 39;

    // write A to parcel
    Parcel parcel;
    size_t pos = parcel.dataPosition();
    ringBufferA.writeToParcel(&parcel);

    // read B from parcel
    parcel.setDataPosition(pos);
    ringBufferB.readFromParcel(&parcel);

    RingBufferDescriptor descriptorB;
    EXPECT_EQ(AAUDIO_OK, ringBufferB.resolve(sharedMemories, &descriptorB));

    // A and B should match
    EXPECT_EQ(descriptorA.dataAddress[0], descriptorB.dataAddress[0]);
    EXPECT_EQ(descriptorA.dataAddress[1], descriptorB.dataAddress[1]);
    EXPECT_EQ(descriptorA.readCounterAddress[0], descriptorB.readCounterAddress[0]);
    EXPECT_EQ(descriptorA.writeCounterAddress[0], descriptorB.writeCounterAddress[0]);

    EXPECT_EQ(ringBufferA.getFramesPerBurst(), ringBufferB.getFramesPerBurst());
    EXPECT_EQ(ringBufferA.getBytesPerFrame(), ringBufferB.getBytesPerFrame());
    EXPECT_EQ(ringBufferA.getCapacityInFrames(), ringBufferB.getCapacityInFrames());
}
Example #16
0
/**
 * Go over all the records, collecting metadata keys and records'
 * type field offset in the Parcel. These are stored in
 * mKeyToPosMap for latter retrieval.
 * Format of a metadata record:
 <pre>
                     1                   2                   3
  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  |                     record size                               |
  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  |                     metadata key                              |  // TITLE
  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  |                     metadata type                             |  // STRING_VAL
  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  |                                                               |
  |                .... metadata payload ....                     |
  |                                                               |
  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 </pre>
 * @param parcel With the serialized records.
 * @param bytesLeft How many bytes in the parcel should be processed.
 * @return false if an error occurred during parsing.
 */
bool CedarMetadata::scanAllRecords(Parcel& parcel, int bytesLeft)
{
	int recCount = 0;
	bool error = false;
	
	mKeyToPosMap.clear();
	while (bytesLeft > kRecordHeaderSize) {
		const int start = parcel.dataPosition();
		const int size = parcel.readInt32();

		if (size <= kRecordHeaderSize) {  // at least 1 byte should be present.
			ALOGE("Record is too short");
			error = true;
			break;
		}

		// Check the metadata key.
		static int metadataId = parcel.readInt32();
		if (!checkMetadataId(metadataId)) {
			error = true;
			break;
		}

		// Store the record offset which points to the type
		// field so we can later on read/unmarshall the record
		// payload.
		if (mKeyToPosMap.indexOfKey(metadataId) >= 0) {
			ALOGE("Duplicate metadata ID found");
			error = true;
			break;
		}

		mKeyToPosMap.add(metadataId, parcel.dataPosition());

		// Check the metadata type.
		const int metadataType = parcel.readInt32();
		if (metadataType <= 0 || metadataType > LAST_TYPE) {
			ALOGE("Invalid metadata type %d", metadataType);
			error = true;
			break;
		}

		// Skip to the next one.
		parcel.setDataPosition(start + size);
		bytesLeft -= size;
		++recCount;
	}

	if (0 != bytesLeft || error) {
		ALOGE("Ran out of data or error on record %d", recCount);
		mKeyToPosMap.clear();
		return false;
	} else {
		return true;
	}
}
Example #17
0
// Test adding one value.
TEST(test_marshalling, aaudio_one_read_write) {
    Parcel parcel;
    size_t pos = parcel.dataPosition();
    const int arbitraryValue = 235;
    parcel.writeInt32(arbitraryValue);
    parcel.setDataPosition(pos);
    int32_t y;
    parcel.readInt32(&y);
    EXPECT_EQ(arbitraryValue, y);
}
Example #18
0
	bool obtainInfo(int domain, int cmd, Parcel& info)
	{
		//done in java client
		Parcel data, reply;
        data.writeInterfaceToken(IMcuService::getInterfaceDescriptor());
		data.writeInt32(domain);
		data.writeInt32(cmd);
        remote()->transact(obtain_info, data, &reply);
		info.appendFrom(&reply, 0, reply.dataSize()-4);
		info.setDataPosition(0);
        return (reply.readInt32()==1);
	}
Example #19
0
  NS_IMETHOD Run()
  {
    assertIsNfcServiceThread();

    Parcel parcel;
    parcel.writeInt32(0); // Parcel Size.
    mHandler->Marshall(parcel, mOptions);
    parcel.setDataPosition(0);
    uint32_t sizeBE = htonl(parcel.dataSize() - sizeof(int));
    parcel.writeInt32(sizeBE);
    mConsumer->PostToNfcDaemon(parcel.data(), parcel.dataSize());
    return NS_OK;
  }
TEST_F(MotionEventTest, Parcel) {
    Parcel parcel;

    MotionEvent inEvent;
    initializeEventWithHistory(&inEvent);
    MotionEvent outEvent;

    // Round trip.
    inEvent.writeToParcel(&parcel);
    parcel.setDataPosition(0);
    outEvent.readFromParcel(&parcel);

    ASSERT_NO_FATAL_FAILURE(assertEqualsEventWithHistory(&outEvent));
}
static void android_os_Parcel_unmarshall(JNIEnv* env, jclass clazz, jlong nativePtr,
                                         jbyteArray data, jint offset, jint length)
{
    Parcel* parcel = reinterpret_cast<Parcel*>(nativePtr);
    if (parcel == NULL || length < 0) {
       return;
    }

    jbyte* array = (jbyte*)env->GetPrimitiveArrayCritical(data, 0);
    if (array)
    {
        parcel->setDataSize(length);
        parcel->setDataPosition(0);

        void* raw = parcel->writeInplace(length);
        memcpy(raw, (array + offset), length);

        env->ReleasePrimitiveArrayCritical(data, array, 0);
    }
}
Example #22
0
status_t BBinder::transact(
    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
    data.setDataPosition(0);

    status_t err = NO_ERROR;
    switch (code) {
        case PING_TRANSACTION:
            reply->writeInt32(pingBinder());
            break;
        default:
            err = onTransact(code, data, reply, flags);
            break;
    }

    if (reply != NULL) {
        reply->setDataPosition(0);
    }

    return err;
}
/**
 * Test if values from VendorTagDescriptor methods stay consistent after being
 * parcelled/unparcelled.
 */
TEST(VendorTagDescriptorTest, ConsistentAcrossParcel) {
    sp<VendorTagDescriptor> vDescOriginal, vDescParceled;
    const vendor_tag_ops_t *vOps = &fakevendor_ops;
    EXPECT_EQ(OK, VendorTagDescriptor::createDescriptorFromOps(vOps, /*out*/vDescOriginal));

    ASSERT_TRUE(vDescOriginal != NULL);

    Parcel p;

    // Check whether parcel read/write succeed
    EXPECT_EQ(OK, vDescOriginal->writeToParcel(&p));
    p.setDataPosition(0);
    ASSERT_EQ(OK, VendorTagDescriptor::createFromParcel(&p, vDescParceled));

    // Ensure consistent tag count
    int tagCount = vDescOriginal->getTagCount();
    ASSERT_EQ(tagCount, vDescParceled->getTagCount());

    uint32_t descTagArray[tagCount];
    uint32_t desc2TagArray[tagCount];

    // Get all tag ids
    vDescOriginal->getTagArray(descTagArray);
    vDescParceled->getTagArray(desc2TagArray);

    ASSERT_NOT_NULL(descTagArray);
    ASSERT_NOT_NULL(desc2TagArray);

    uint32_t tag;
    for (int i = 0; i < tagCount; ++i) {
        // For each tag id, check consistency between the two vendor tag
        // descriptors for each type, section name, tag name
        tag = descTagArray[i];
        EXPECT_CONTAINS_TAG(tag, desc2TagArray);
        EXPECT_EQ(vDescOriginal->getTagType(tag), vDescParceled->getTagType(tag));
        EXPECT_STREQ(vDescOriginal->getSectionName(tag), vDescParceled->getSectionName(tag));
        EXPECT_STREQ(vDescOriginal->getTagName(tag), vDescParceled->getTagName(tag));
    }
}
int main(int argc, char** argv)
{
    // set up the thread-pool
    sp<ProcessState> proc(ProcessState::self());
    ProcessState::self()->startThreadPool();

    // create a client to surfaceflinger
    sp<SurfaceComposerClient> client = new SurfaceComposerClient();
    
    sp<SurfaceControl> surfaceControl = client->createSurface(
            String8("surface"), 160, 240, PIXEL_FORMAT_RGB_565, 0);
    SurfaceComposerClient::openGlobalTransaction();
    surfaceControl->setLayer(100000);
    SurfaceComposerClient::closeGlobalTransaction();

    // pretend it went cross-process
    Parcel parcel;
    SurfaceControl::writeSurfaceToParcel(surfaceControl, &parcel);
    parcel.setDataPosition(0);
    sp<Surface> surface = Surface::readFromParcel(parcel);
    ANativeWindow* window = surface.get();

    printf("window=%p\n", window);

    int err = native_window_set_buffer_count(window, 8);
    ANativeWindowBuffer* buffer;

    for (int i=0 ; i<8 ; i++) {
        window->dequeueBuffer(window, &buffer);
        printf("buffer %d: %p\n", i, buffer);
    }

    printf("test complete. CTRL+C to finish.\n");

    IPCThreadState::self()->joinThreadPool();
    return 0;
}
 void CheckStartTimeMs(const Parcel& parcel, int32_t timeMs) {
     int32_t intval;
     parcel.setDataPosition(8);
     parcel.readInt32(&intval);
     EXPECT_EQ(timeMs, intval);
 }
Example #26
0
status_t main(int argc, char** argv)
{
    // set up the thread-pool
    sp<ProcessState> proc(ProcessState::self());
    ProcessState::self()->startThreadPool();

    // create a client to surfaceflinger
    sp<SurfaceComposerClient> client = new SurfaceComposerClient();

    // create surface
    sp<SurfaceControl> surfaceControl = client->createSurface(
            String8("test-resize2"),
            0,
            LAYER_MIN_WIDTH,
            LAYER_MIN_HEIGHT,
            PIXEL_FORMAT_RGB_565);

    SurfaceComposerClient::openGlobalTransaction();
    surfaceControl->setLayer(100000);
    SurfaceComposerClient::closeGlobalTransaction();

    Parcel parcel;
    SurfaceControl::writeSurfaceToParcel(surfaceControl, &parcel);
    parcel.setDataPosition(0);
    sp<Surface> surface = Surface::readFromParcel(parcel);

    LOGD("RATIO:%f", RATIO);

    Surface::SurfaceInfo info;
    ssize_t bpr;
    while(true) {
        // zoom in
        {
            int width = LAYER_MIN_WIDTH, height;
            int x, y;
            Region *dirty = new Region();
            while(width <= LAYER_MAX_WIDTH) {
                SurfaceComposerClient::openGlobalTransaction();
                width = width + STEPPING;
                height = (int)(width * RATIO);
                surfaceControl->setSize(width, height);
                x = (int)((DISPLAY_WIDTH - width) / 2);
                y = (int)((DISPLAY_HEIGHT - height) / 2);
                surfaceControl->setPosition(x, y);
                SurfaceComposerClient::closeGlobalTransaction();

                // set dirty region before lock
                dirty->set(Rect(x, y, x + width, y + height));
                //surface->lock(&info);
                surface->lock(&info, dirty);
                bpr = info.s * bytesPerPixel(info.format);
                android_memset16((uint16_t*)info.bits, 0x07E0, bpr*info.h);
                // LOGD("(w,h,x,y,s,h,bpr):(%d,%d,%d,%d,%d,%d,%d)",
                //         width, height,
                //         x, y,
                //         info.s, info.h, (int)bpr);
                surface->unlockAndPost();

                usleep(FPS);
            }

            delete dirty;
        }

        // zoom out
        {
            int width = LAYER_MAX_WIDTH, height;
            int x, y;
            Region *dirty = new Region();
            while (width >= LAYER_MIN_WIDTH) {
                SurfaceComposerClient::openGlobalTransaction();
                width = width - STEPPING;
                height = (int)(width * RATIO);
                surfaceControl->setSize(width, height);
                x = (int)((DISPLAY_WIDTH - width) / 2);
                y = (int)((DISPLAY_HEIGHT - height) / 2);
                surfaceControl->setPosition(x, y);
                SurfaceComposerClient::closeGlobalTransaction();

                // set dirty region before lock
                dirty->set(Rect(x, y, x + width, y + height));
                //surface->lock(&info);
                surface->lock(&info, dirty);
                bpr = info.s * bytesPerPixel(info.format);
                android_memset16((uint16_t*)info.bits, 0x07E0, bpr*info.h);
                // LOGD("(w,h,x,y,s,h,bpr):(%d,%d,%d,%d,%d,%d,%d)",
                //         width, height,
                //         x, y,
                //         info.s, info.h, (int)bpr);
                surface->unlockAndPost();

                usleep(FPS);
            }

            delete dirty;
        }
        printf("\n... loop again ...\n");
    }

    IPCThreadState::self()->joinThreadPool();
    return NO_ERROR;
}   // main
status_t BnMediaPlayer::onTransact(
    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
    switch(code) {
        case DISCONNECT: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            disconnect();
            return NO_ERROR;
        } break;
        case SET_DATA_SOURCE_URL: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            const char* url = data.readCString();
            KeyedVector<String8, String8> headers;
            int32_t numHeaders = data.readInt32();
            for (int i = 0; i < numHeaders; ++i) {
                String8 key = data.readString8();
                String8 value = data.readString8();
                headers.add(key, value);
            }
            reply->writeInt32(setDataSource(url, numHeaders > 0 ? &headers : NULL));
            return NO_ERROR;
        } break;
        case SET_DATA_SOURCE_FD: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            int fd = data.readFileDescriptor();
            int64_t offset = data.readInt64();
            int64_t length = data.readInt64();
            reply->writeInt32(setDataSource(fd, offset, length));
            return NO_ERROR;
        }
        case SET_DATA_SOURCE_STREAM: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            sp<IStreamSource> source =
                interface_cast<IStreamSource>(data.readStrongBinder());
            reply->writeInt32(setDataSource(source));
            return NO_ERROR;
        }
        case SET_VIDEO_SURFACETEXTURE: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            sp<ISurfaceTexture> surfaceTexture =
                    interface_cast<ISurfaceTexture>(data.readStrongBinder());
            reply->writeInt32(setVideoSurfaceTexture(surfaceTexture));
            return NO_ERROR;
        } break;
        case PREPARE_ASYNC: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            reply->writeInt32(prepareAsync());
            return NO_ERROR;
        } break;
        case START: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            reply->writeInt32(start());
            return NO_ERROR;
        } break;
        case STOP: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            reply->writeInt32(stop());
            return NO_ERROR;
        } break;
        case IS_PLAYING: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            bool state;
            status_t ret = isPlaying(&state);
            reply->writeInt32(state);
            reply->writeInt32(ret);
            return NO_ERROR;
        } break;
        case PAUSE: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            reply->writeInt32(pause());
            return NO_ERROR;
        } break;
        case SEEK_TO: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            reply->writeInt32(seekTo(data.readInt32()));
            return NO_ERROR;
        } break;
        case GET_CURRENT_POSITION: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            int msec;
            status_t ret = getCurrentPosition(&msec);
            reply->writeInt32(msec);
            reply->writeInt32(ret);
            return NO_ERROR;
        } break;
        case GET_DURATION: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            int msec;
            status_t ret = getDuration(&msec);
            reply->writeInt32(msec);
            reply->writeInt32(ret);
            return NO_ERROR;
        } break;
        case RESET: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            reply->writeInt32(reset());
            return NO_ERROR;
        } break;
        case SET_AUDIO_STREAM_TYPE: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            reply->writeInt32(setAudioStreamType(data.readInt32()));
            return NO_ERROR;
        } break;
        case SET_LOOPING: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            reply->writeInt32(setLooping(data.readInt32()));
            return NO_ERROR;
        } break;
        case SET_VOLUME: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            float leftVolume = data.readFloat();
            float rightVolume = data.readFloat();
            reply->writeInt32(setVolume(leftVolume, rightVolume));
            return NO_ERROR;
        } break;
        case INVOKE: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            status_t result = invoke(data, reply);
            return result;
        } break;
        case SET_METADATA_FILTER: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            reply->writeInt32(setMetadataFilter(data));
            return NO_ERROR;
        } break;
        case GET_METADATA: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            bool update_only = static_cast<bool>(data.readInt32());
            bool apply_filter = static_cast<bool>(data.readInt32());
            const status_t retcode = getMetadata(update_only, apply_filter, reply);
            reply->setDataPosition(0);
            reply->writeInt32(retcode);
            reply->setDataPosition(0);
            return NO_ERROR;
        } break;
        case SET_AUX_EFFECT_SEND_LEVEL: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            reply->writeInt32(setAuxEffectSendLevel(data.readFloat()));
            return NO_ERROR;
        } break;
        case ATTACH_AUX_EFFECT: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            reply->writeInt32(attachAuxEffect(data.readInt32()));
            return NO_ERROR;
        } break;
        case SET_PARAMETER: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            int key = data.readInt32();

            Parcel request;
            if (data.dataAvail() > 0) {
                request.appendFrom(
                        const_cast<Parcel *>(&data), data.dataPosition(), data.dataAvail());
            }
            request.setDataPosition(0);
            reply->writeInt32(setParameter(key, request));
            return NO_ERROR;
        } break;
        case GET_PARAMETER: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            return getParameter(data.readInt32(), reply);
        } break;
        default:
            return BBinder::onTransact(code, data, reply, flags);
    }
}