Examples with ByteBuffer streamer.ByteBuffer used on opensource projects

Example 36 with ByteBuffer

use of streamer.ByteBuffer in project cloudstack by apache.

the class ServerFormatListPDU method sendFormatListParseResponse.

/**
 * The Format List Response PDU is sent as a reply to the Format List PDU. It
 * is used to indicate whether processing of the Format List PDU was
 * successful.
 *
 * @param b
 */
protected void sendFormatListParseResponse(boolean ok) {
    ByteBuffer buf = new ByteBuffer(8, true);
    // Type
    buf.writeShortLE(ServerClipRdrChannelRouter.CB_FORMAT_LIST_RESPONSE);
    // Message flags
    buf.writeShortLE((ok) ? ServerClipRdrChannelRouter.CB_RESPONSE_OK : ServerClipRdrChannelRouter.CB_RESPONSE_FAIL);
    // Length
    buf.writeIntLE(0);
    buf.trimAtCursor();
    pushDataToPad(STDOUT, buf);
}

Example 37 with ByteBuffer

use of streamer.ByteBuffer in project cloudstack by apache.

the class Sequence method readTagValue.

@Override
public void readTagValue(ByteBuffer buf, BerType typeAndFlags) {
    // Type is already read by parent parser
    long length = buf.readBerLength();
    if (length > buf.remainderLength())
        throw new RuntimeException("BER sequence is too long: " + length + " bytes, while buffer remainder length is " + buf.remainderLength() + ". Data: " + buf + ".");
    ByteBuffer value = buf.readBytes((int) length);
    parseContent(value);
    value.unref();
}

Example 38 with ByteBuffer

use of streamer.ByteBuffer in project cloudstack by apache.

the class AprSocketSource method poll.

/**
 * Read data from input stream.
 */
@Override
public void poll(boolean block) {
    if (socketWrapper.shutdown) {
        socketWrapper.destroyPull();
        return;
    }
    try {
        // Create buffer of recommended size and with default offset
        ByteBuffer buf = new ByteBuffer(incommingBufLength);
        if (verbose)
            System.out.println("[" + this + "] INFO: Reading data from stream.");
        // to unblock during reboot
        long startTime = System.currentTimeMillis();
        // FIXME: If pull is destroyed or socket is closed, segfault will happen here
        int actualLength = // Blocking read
        (block) ? Socket.recv(socket, buf.data, buf.offset, buf.data.length - buf.offset) : // Non-blocking read
        Socket.recvt(socket, buf.data, buf.offset, buf.data.length - buf.offset, 5000000);
        if (socketWrapper.shutdown) {
            socketWrapper.destroyPull();
            return;
        }
        long elapsedTime = System.currentTimeMillis() - startTime;
        if (actualLength < 0 || elapsedTime > 5000) {
            if (verbose)
                System.out.println("[" + this + "] INFO: End of stream or timeout");
            buf.unref();
            closeStream();
            sendEventToAllPads(Event.STREAM_CLOSE, Direction.OUT);
            return;
        }
        if (actualLength == 0) {
            if (verbose)
                System.out.println("[" + this + "] INFO: Empty buffer is read from stream.");
            buf.unref();
            return;
        }
        buf.length = actualLength;
        if (verbose)
            System.out.println("[" + this + "] INFO: Data read from stream: " + buf + ".");
        pushDataToAllOuts(buf);
    } catch (Exception e) {
        System.err.println("[" + this + "] ERROR: " + e.getMessage());
        closeStream();
    }
}

Example 39 with ByteBuffer

use of streamer.ByteBuffer in project cloudstack by apache.

the class MockSink method main.

/**
 * Example.
 */
public static void main(String[] args) {
    Element mockSource = new MockSource("source") {

        {
            bufs = new ByteBuffer[] { new ByteBuffer(new byte[] { 1, 1, 2, 3, 4, 5 }), new ByteBuffer(new byte[] { 2, 1, 2, 3, 4 }), new ByteBuffer(new byte[] { 3, 1, 2, 3 }), new ByteBuffer(new byte[] { 4, 1, 2 }), new ByteBuffer(new byte[] { 5, 1 }) };
            verbose = true;
            delay = 100;
            numBuffers = bufs.length;
        }
    };
    Element mockSink = new MockSink("sink") {

        {
            bufs = new ByteBuffer[] { new ByteBuffer(new byte[] { 1, 1, 2, 3, 4, 5 }), new ByteBuffer(new byte[] { 2, 1, 2, 3, 4 }), new ByteBuffer(new byte[] { 3, 1, 2, 3 }), new ByteBuffer(new byte[] { 4, 1, 2 }), new ByteBuffer(new byte[] { 5, 1 }) };
            verbose = true;
        }
    };
    Link link = new SyncLink() {

        {
            verbose = true;
        }
    };
    mockSource.setLink(STDOUT, link, Direction.OUT);
    mockSink.setLink(STDIN, link, Direction.IN);
    link.run();
}

Example 40 with ByteBuffer

use of streamer.ByteBuffer in project cloudstack by apache.

the class RGB888LE32PixelFormatRequest method handleData.

@Override
public void handleData(ByteBuffer buf, Link link) {
    if (buf == null)
        return;
    if (verbose)
        System.out.println("[" + this + "] INFO: Data received: " + buf + ".");
    buf.unref();
    ByteBuffer outBuf = new ByteBuffer(20);
    outBuf.writeByte(RfbConstants.CLIENT_SET_PIXEL_FORMAT);
    // Padding
    outBuf.writeByte(0);
    outBuf.writeByte(0);
    outBuf.writeByte(0);
    // Send pixel format
    outBuf.writeByte(bitsPerPixel);
    outBuf.writeByte(depth);
    outBuf.writeByte(bigEndianFlag);
    outBuf.writeByte(trueColourFlag);
    outBuf.writeShort(redMax);
    outBuf.writeShort(greenMax);
    outBuf.writeShort(blueMax);
    outBuf.writeByte(redShift);
    outBuf.writeByte(greenShift);
    outBuf.writeByte(blueShift);
    // Padding
    outBuf.writeByte(0);
    outBuf.writeByte(0);
    outBuf.writeByte(0);
    screen.setPixelFormat(bitsPerPixel, depth, bigEndianFlag != RfbConstants.LITTLE_ENDIAN, trueColourFlag == RfbConstants.TRUE_COLOR, redMax, greenMax, blueMax, redShift, greenShift, blueShift);
    pushDataToAllOuts(outBuf);
}