Examples with ByteBuffer streamer.ByteBuffer used on opensource projects

Example 61 with ByteBuffer

use of streamer.ByteBuffer in project cloudstack by apache.

the class ClientConfirmActivePDU method handleData.

@Override
public void handleData(ByteBuffer aBuf, Link link) {
    // Body
    ByteBuffer buf = new ByteBuffer(1024, true);
    numberCapabilities = 0;
    writeCapabilities(buf);
    buf.trimAtCursor();
    // Header
    ByteBuffer header = createMCSHeader(buf);
    // Length of source descriptor, including NULL character (LE)
    header.writeShortLE(SOURCE_DESC.length() + 1);
    // Length of combined capabilities + 4 bytes (number of capabilities and
    // padding) (LE)
    header.writeShortLE(buf.length + 4);
    header.writeString(SOURCE_DESC, RdpConstants.CHARSET_8);
    header.writeByte(0);
    // Number of capabilities
    header.writeShortLE(numberCapabilities);
    // Padding 2 bytes
    header.writeShortLE(0);
    header.trimAtCursor();
    // Prepend header to capabilities
    buf.prepend(header);
    // Trim buffer to actual length of data written
    buf.trimAtCursor();
    pushDataToPad(STDOUT, buf);
    sendOtherRequredPackets();
}

Example 62 with ByteBuffer

use of streamer.ByteBuffer in project cloudstack by apache.

the class ClientConfirmActivePDU method createMCSHeader.

private ByteBuffer createMCSHeader(ByteBuffer buf) {
    ByteBuffer header = new ByteBuffer(100);
    // MCS Send Data Request
    header.writeByte(0x64);
    // Initiator: 1004 (1001+3)
    header.writeShort(3);
    // Channel ID: 1003 (I/O channel)
    header.writeShort(RdpConstants.CHANNEL_IO);
    // Data priority: high (0x40), segmentation: begin (0x20) | end (0x10)
    header.writeByte(0x70);
    int length = buf.length + 26;
    // User data length: (variable length field, LE)
    header.writeVariableShort(length);
    // Total length: (LE)
    header.writeShortLE(length);
    // PDU type: Confirm Active PDU (0x3), TS_PROTOCOL_VERSION (0x10) (LE)
    header.writeShortLE(0x13);
    // PDU source: 1004 (LE)
    header.writeShortLE(1004);
    // Share ID, e.g. 0x000103ea (LE)
    header.writeIntLE((int) state.serverShareId);
    // Originator ID: 1002 (LE)
    header.writeShortLE(1002);
    return header;
}

Example 63 with ByteBuffer

use of streamer.ByteBuffer in project cloudstack by apache.

the class ClientConfirmActivePDU method sendControlPDUActionCooperate.

private void sendControlPDUActionCooperate() {
    // Large enough
    int length = 1024;
    ByteBuffer buf = new ByteBuffer(length, true);
    /* @formatter:off */
    buf.writeBytes(new byte[] { // MCS Send Data Request
    (byte) 0x64, // Initiator: 1004 (1001+3)
    (byte) 0x00, (byte) 0x03, // Channel ID: 1003 (I/O channel)
    (byte) 0x03, (byte) 0xeb, // Data priority: high (0x40), segmentation: begin (0x20) | end (0x10)
    (byte) 0x70, // User data length: 26 bytes (0x1a, variable length field)
    (byte) 0x80, (byte) 0x1a, // Total length: 26 bytes (0x1a, LE)
    (byte) 0x1a, (byte) 0x00, // PDU type: PDUTYPE_DATAPDU (0x7), PDU version: 1 (0x0010) (LE)
    (byte) 0x17, (byte) 0x00, // PDU source: 1004 (LE)
    (byte) 0xec, (byte) 0x03 });
    // Share ID, 4 bytes  (LE)
    buf.writeIntLE((int) state.serverShareId);
    buf.writeBytes(new byte[] { // Padding 1 byte
    (byte) 0x00, // Stream ID: STREAM_LOW (1)
    (byte) 0x01, // uncompressedLength : 12 bytes (LE)
    (byte) 0x0c, (byte) 0x00, // pduType2: PDUTYPE2_CONTROL (20)
    (byte) 0x14, // generalCompressedType: 0
    (byte) 0x00, // generalCompressedLength: 0 (LE?)
    (byte) 0x00, (byte) 0x00, // action: CTRLACTION_COOPERATE (4) (LE)
    (byte) 0x04, (byte) 0x00, // grantId: 0 (LE)
    (byte) 0x00, (byte) 0x00, // controlId: 0
    (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00 });
    /* @formatter:on */
    buf.trimAtCursor();
    pushDataToPad(STDOUT, buf);
}

Example 64 with ByteBuffer

use of streamer.ByteBuffer in project cloudstack by apache.

the class ClientConfirmActivePDU method sendControlPDUActionRequestControl.

private void sendControlPDUActionRequestControl() {
    // Large enough
    int length = 1024;
    ByteBuffer buf = new ByteBuffer(length, true);
    /* @formatter:off */
    buf.writeBytes(new byte[] { // MCS Send Data Request
    (byte) 0x64, // Initiator: 1004 (1001+3)
    (byte) 0x00, (byte) 0x03, // Channel ID: 1003 (I/O channel)
    (byte) 0x03, (byte) 0xeb, // Data priority: high (0x40), segmentation: begin (0x20) | end (0x10)
    (byte) 0x70, // User data length: 26 bytes (0x1a, variable length field)
    (byte) 0x80, (byte) 0x1a, // Total length: 26 bytes (0x1a, LE)
    (byte) 0x1a, (byte) 0x00, // PDU type: PDUTYPE_DATAPDU (0x7), PDU version: 1 (0x0010) (LE)
    (byte) 0x17, (byte) 0x00, // PDU source: 1004 (LE)
    (byte) 0xec, (byte) 0x03 });
    // Share ID, 4 bytes  (LE)
    buf.writeIntLE((int) state.serverShareId);
    buf.writeBytes(new byte[] { // Padding 1 byte
    (byte) 0x00, // Stream ID: STREAM_LOW (1)
    (byte) 0x01, // uncompressedLength : 12 bytes (LE)
    (byte) 0x0c, (byte) 0x00, // pduType2: PDUTYPE2_CONTROL (20)
    (byte) 0x14, // generalCompressedType: 0
    (byte) 0x00, // generalCompressedLength: 0 (LE)
    (byte) 0x00, (byte) 0x00, // action: CTRLACTION_REQUEST_CONTROL (1) (LE)
    (byte) 0x01, (byte) 0x00, // grantId: 0 (LE)
    (byte) 0x00, (byte) 0x00, // controlId: 0 (LE)
    (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00 });
    /* @formatter:on */
    // Trim buffer to actual length of data written
    buf.trimAtCursor();
    pushDataToPad(STDOUT, buf);
}

Example 65 with ByteBuffer

use of streamer.ByteBuffer in project cloudstack by apache.

the class ClientFastPathPDU method handleData.

@Override
public void handleData(ByteBuffer buf, Link link) {
    if (verbose)
        System.out.println("[" + this + "] INFO: Data received: " + buf + ".");
    if (buf.length > 32767 - 3)
        throw new RuntimeException("Packet is too long: " + buf + ".");
    ByteBuffer data = new ByteBuffer(6);
    // FastPath, 1 event, no checksum, not encrypted
    data.writeByte(0x4);
    // Length of full packet, including length field, in network order.
    // Topmost bit of first byte indicates that field has 2 bytes
    data.writeShort((1 + 2 + buf.length) | 0x8000);
    data.trimAtCursor();
    buf.prepend(data);
    pushDataToAllOuts(buf);
}