Examples with ByteBuffer streamer.ByteBuffer used on opensource projects

Example 66 with ByteBuffer

use of streamer.ByteBuffer in project cloudstack by apache.

the class ClientX224ConnectionRequestPDU method onStart.

@Override
protected void onStart() {
    super.onStart();
    // Length of packet without length field
    int length = 33 + userName.length();
    ByteBuffer buf = new ByteBuffer(length, true);
    // Type (high nibble) = 0xe = CR TPDU; credit (low nibble) = 0
    buf.writeByte(X224_TPDU_CONNECTION_REQUEST);
    // Destination reference = 0
    buf.writeShort(0);
    // Source reference = 0
    buf.writeShort(0);
    // Class and options = 0
    buf.writeByte(0);
    // Cookie
    buf.writeString("Cookie: mstshash=" + userName + "\r\n", RdpConstants.CHARSET_8);
    // RDP_NEG_REQ::type
    buf.writeByte(RdpConstants.RDP_NEG_REQ_TYPE_NEG_REQ);
    // RDP_NEG_REQ::flags (0)
    buf.writeByte(RdpConstants.RDP_NEG_REQ_FLAGS);
    // RDP_NEG_REQ::length (constant: 8) short int in LE format
    buf.writeByte(0x08);
    buf.writeByte(0x00);
    // RDP_NEG_REQ: Requested protocols: PROTOCOL_SSL
    buf.writeIntLE(protocol);
    // Calculate length of packet and prepend it to buffer
    ByteBuffer data = new ByteBuffer(5);
    // Write length
    data.writeVariableIntLE(buf.length);
    // Reset length of buffer to actual length of data written
    data.length = data.cursor;
    buf.prepend(data);
    data.unref();
    pushDataToOTOut(buf);
    switchOff();
}

Example 67 with ByteBuffer

use of streamer.ByteBuffer in project cloudstack by apache.

the class ClientX224DataPDU method handleData.

@Override
public void handleData(ByteBuffer buf, Link link) {
    if (buf == null)
        return;
    if (verbose)
        System.out.println("[" + this + "] INFO: Data received: " + buf + ".");
    ByteBuffer data = new ByteBuffer(3);
    // X224 header
    // Header length indicator
    data.writeByte(2);
    data.writeByte(X224_TPDU_DATA);
    data.writeByte(X224_TPDU_LAST_DATA_UNIT);
    buf.prepend(data);
    data.unref();
    pushDataToPad(STDOUT, buf);
}

Example 68 with ByteBuffer

use of streamer.ByteBuffer in project cloudstack by apache.

the class ClientMCSErectDomainRequest method onStart.

@Override
protected void onStart() {
    super.onStart();
    int length = 5;
    ByteBuffer buf = new ByteBuffer(length, true);
    // Erect Domain Request
    buf.writeByte(0x04);
    // Client SHOULD initialize both the subHeight and subinterval fields of the MCS Erect Domain Request PDU to zero.
    // ErectDomainRequest::subHeight length = 1 byte
    buf.writeByte(1);
    // ErectDomainRequest::subHeight
    buf.writeByte(0);
    // ErectDomainRequest::subInterval length = 1 byte
    buf.writeByte(1);
    // ErectDomainRequest::subInterval
    buf.writeByte(0);
    pushDataToOTOut(buf);
    switchOff();
}

Example 69 with ByteBuffer

use of streamer.ByteBuffer in project cloudstack by apache.

the class ClientSynchronizePDU method onStart.

@Override
protected void onStart() {
    super.onStart();
    // 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, // Data length:  22 bytes (0x16, variable length field)
    (byte) 0x80, (byte) 0x16, // RDP: total length: 22 bytes (LE)
    (byte) 0x16, (byte) 0x00, // PDU type: PDUTYPE_DATAPDU (0x7), TS_PROTOCOL_VERSION (0x10) (LE)
    (byte) 0x17, (byte) 0x00, // PDU source: 1007 (LE)
    (byte) 0xec, (byte) 0x03, // Share ID: 0x000103ea (LE)
    (byte) 0xea, (byte) 0x03, (byte) 0x01, (byte) 0x00, // Padding: 1 byte
    (byte) 0x00, // Stream ID: STREAM_LOW (1)
    (byte) 0x01, // uncompressedLength : 8 bytes (LE)
    (byte) 0x08, (byte) 0x00, // pduType2 = PDUTYPE2_SYNCHRONIZE (31)
    (byte) 0x1f, // generalCompressedType: 0
    (byte) 0x00, // generalCompressedLength: 0 (LE?)
    (byte) 0x00, (byte) 0x00, //  messageType: SYNCMSGTYPE_SYNC (1) (LE)
    (byte) 0x01, (byte) 0x00, // targetUser: 0x03ea
    (byte) 0xea, (byte) 0x03 });
    /* @formatter:on */
    // Trim buffer to actual length of data written
    buf.trimAtCursor();
    pushDataToOTOut(buf);
    switchOff();
}

Example 70 with ByteBuffer

use of streamer.ByteBuffer in project cloudstack by apache.

the class ClientTpkt method handleData.

@Override
public void handleData(ByteBuffer buf, Link link) {
    if (buf == null)
        return;
    if (verbose)
        System.out.println("[" + this + "] INFO: Data received: " + buf + ".");
    if (buf.length + 4 > 65535)
        throw new RuntimeException("Packet is too long for TPKT (max length 65535-4): " + buf + ".");
    ByteBuffer data = new ByteBuffer(4);
    // TPKT version
    data.writeByte(3);
    // Reserved
    data.writeByte(0);
    // Packet length, including length of the header
    data.writeShort(buf.length + 4);
    buf.prepend(data);
    data.unref();
    pushDataToPad(STDOUT, buf);
}