Examples of org.javabluetooth.stack.l2cap.L2CAPChannel

org.javabluetooth.stack.l2cap.L2CAPChannel
This abstract class represents an L2CAP Channel between two Bluetooth Devices. It provides the basic methods for opening and closing the connections as well as sending packets. Implementations are expected to implement the nessesary methods to process any received packets. @author Christian Lorenz

    private void receive_L2CAP_Create_Connection_Response(byte[] packet) {
        short channelHandel  = (short)((((short)packet[3]) & 0xff) | (((short)packet[4]) & 0xff) << 8);
        byte channelState    = packet[5];
        short localCID       = (short)((((short)packet[6]) & 0xff) | (((short)packet[7]) & 0xff) << 8);
        short remoteCID      = (short)((((short)packet[8]) & 0xff) | (((short)packet[9]) & 0xff) << 8);
        L2CAPChannel channel = channels[channelHandel];
        if (channel != null) {
            channel.channelState = channelState;
            channel.localChannelID = localCID;
            channel.remoteChannelID = remoteCID;
        }

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        }
    }


    private void receive_L2CAP_Disconnect_Channel_Request(byte[] packet) {
        short channelHandel = (short)((((short)packet[3]) & 0xff) | (((short)packet[4]) & 0xff) << 8);
        L2CAPChannel channel = channels[channelHandel];
        channels[channelHandel] = null;
        if (channel != null) {
            channel.channelState = L2CAPChannel.CLOSED;
            channel.wasDisconnected();
        }
    }

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    }


    private void receive_L2CAP_Packet(byte[] packet) {
        short channelHandel  = (short)((((short)packet[3]) & 0xff) | (((short)packet[4]) & 0xff) << 8);
        int length           = ((packet[1] & 0xff) | (packet[2] & 0xff) << 8) - 2;
        L2CAPChannel channel = channels[channelHandel];
        if (channel != null) {
            byte[] l2capPacket = new byte[length];
            System.arraycopy(packet, 5, l2capPacket, 0, l2capPacket.length);
            channel.receiveL2CAPPacket(l2capPacket);
        }
    }

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    /** @param packet */
    private void processL2CAP_Packet(byte[] packet) {
        Debug.println(7, "BluetoothTCPServer: Received L2CAP Packet from BluetoothTCPClient.");
        short channelHandel  = (short)((((short)packet[3]) & 0xff) | (((short)packet[4]) & 0xff) << 8);
        int length           = ((packet[1] & 0xff) | (packet[2] & 0xff) << 8) - 2;
        L2CAPChannel channel = channels[channelHandel];
        if (channel != null) {
            byte[] l2capPacket = new byte[length];
            System.arraycopy(packet, 5, l2capPacket, 0, l2capPacket.length);
            try { channel.sendL2CAPPacket(l2capPacket); }
            catch (IOException e) { System.err.println("BluetoothTCPServerThread: Error while sending L2CAP Packet: " + e); }
        }
    }

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    }


    private void processL2CAP_Disconnect_Channel_Request(byte[] packet) {
        Debug.println(7, "BluetoothTCPServer: Received L2CAP Disconnection Request from BluetoothTCPClient.");
        short channelHandel = (short)((((short)packet[3]) & 0xff) | (((short)packet[4]) & 0xff) << 8);
        L2CAPChannel channel = channels[channelHandel];
        channels[channelHandel] = null;
        if (channel != null) { channel.close(); }
    }

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Related Classes of org.javabluetooth.stack.l2cap.L2CAPChannel

org.javabluetooth.distributed.BluetoothTCPClient

org.javabluetooth.distributed.BluetoothTCPServerThread

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