Beispiel #1
0
        private KmmBody TxRxKmm(KmmBody commandKmmBody)
        {
            KmmFrame commandKmmFrame = new KmmFrame(commandKmmBody);

            byte[] toRadio = WithPreamble ? commandKmmFrame.ToBytesWithPreamble(Mfid) : commandKmmFrame.ToBytes();

            byte[] fromRadio = DeviceProtocol.PerformKmmTransfer(toRadio);

            KmmFrame responseKmmFrame = new KmmFrame(WithPreamble, fromRadio);

            return(responseKmmFrame.KmmBody);
        }
        public void MrRunProducer()
        {
            try
            {
                while (true)
                {
                    byte rx;

                    /* RX: KEY SIGNATURE */

                    // currently there is no rx key signature function in the adapter
                    // however, the key signature will appear as a 0x00 byte

                    // the 5 second timeout should prevent most sync issues, however
                    // a rx key signature function should be added to the adapter
                    // to make this more robust and correct

                    Log.Debug("in: waiting for key signature");
                    rx = Protocol.GetByte(TIMEOUT_NONE);
                    Log.Trace("in: {0}", Utility.DataFormat(rx));

                    byte sig = 0x00; // key signature

                    if (rx == sig)
                    {
                        Log.Debug("in: got key signature");
                    }
                    else
                    {
                        string msg = string.Format("in: unexpected key signature opcode, expected ({0}) got ({1})", Utility.DataFormat(sig), Utility.DataFormat(rx));
                        Log.Warn(msg);
                        continue;
                    }

                    /* RX: READY REQUEST */

                    try
                    {
                        Log.Debug("in: waiting for ready request opcode");
                        rx = Protocol.GetByte(TIMEOUT_STD);
                        Log.Trace("in: {0}", Utility.DataFormat(rx));
                    }
                    catch (Exception)
                    {
                        string msg = string.Format("in: timed out waiting for ready request opcode");
                        Log.Warn(msg);
                        continue;
                    }

                    if (rx == OPCODE_READY_REQ)
                    {
                        Log.Debug("in: got ready request opcode");
                    }
                    else
                    {
                        string msg = string.Format("in: unexpected ready request opcode, expected ({0}) got ({1})", Utility.DataFormat(OPCODE_READY_REQ), Utility.DataFormat(rx));
                        Log.Warn(msg);
                        continue;
                    }

                    /* TX: READY GENERAL MODE */

                    Log.Debug("out: ready general mode opcode");
                    Log.Trace("out: {0}", Utility.DataFormat(OPCODE_READY_GENERAL_MODE));
                    Protocol.SendByte(OPCODE_READY_GENERAL_MODE);

                    while (true)
                    {
                        /* RX: FRAME TYPE */

                        try
                        {
                            Log.Debug("in: waiting for frame type opcode");
                            rx = Protocol.GetByte(TIMEOUT_STD);
                            Log.Trace("in: {0}", Utility.DataFormat(rx));
                        }
                        catch (Exception)
                        {
                            string msg = string.Format("in: timed out waiting for frame type opcode");
                            Log.Warn(msg);
                            break;
                        }

                        if (rx == OPCODE_KMM)
                        {
                            Log.Debug("in: got kmm opcode");

                            List <byte> rxFrame;

                            try
                            {
                                rxFrame = ParseKmmFrame();
                            }
                            catch (Exception ex)
                            {
                                Log.Warn(ex.Message);
                                break;
                            }

                            KmmFrame kfdKmmFrame = null;

                            try
                            {
                                kfdKmmFrame = new KmmFrame(rxFrame.ToArray());
                            }
                            catch (Exception ex)
                            {
                                Log.Warn(ex.Message);

                                byte[] message = rxFrame.ToArray();

                                if (message.Length != 0)
                                {
                                    Log.Warn("unexpected message id: {0} (dec), {0:X} (hex)", message[0]);

                                    NegativeAcknowledgment kmm = new NegativeAcknowledgment();

                                    kmm.AcknowledgedMessageId = (MessageId)message[0];
                                    kmm.Status = AckStatus.InvalidMessageId;

                                    KmmFrame frame = new KmmFrame(kmm);

                                    SendKmm(frame.ToBytes());
                                }

                                continue;
                            }

                            KmmBody kfdKmmBody = kfdKmmFrame.KmmBody;

                            if (kfdKmmBody is InventoryCommandListActiveKsetIds)
                            {
                                InventoryResponseListActiveKsetIds mrKmm = new InventoryResponseListActiveKsetIds();

                                // do not return any keysets, to match factory Motorola SU behavior

                                KmmFrame commandKmmFrame = new KmmFrame(mrKmm);

                                SendKmm(commandKmmFrame.ToBytes());
                            }
                            else if (kfdKmmBody is ModifyKeyCommand)
                            {
                                ModifyKeyCommand cmdKmm = kfdKmmBody as ModifyKeyCommand;

                                Log.Debug("keyset id: {0} (dec), {0:X} (hex)", cmdKmm.KeysetId);
                                Log.Debug("algorithm id: {0} (dec), {0:X} (hex)", cmdKmm.AlgorithmId);

                                RekeyAcknowledgment rspKmm = new RekeyAcknowledgment();

                                rspKmm.MessageIdAcknowledged = MessageId.ModifyKeyCommand;
                                rspKmm.NumberOfItems         = cmdKmm.KeyItems.Count;

                                for (int i = 0; i < cmdKmm.KeyItems.Count; i++)
                                {
                                    KeyItem item = cmdKmm.KeyItems[i];

                                    Log.Debug("* key item {0} *", i);
                                    Log.Debug("erase: {0}", item.Erase);
                                    Log.Debug("sln: {0} (dec), {0:X} (hex)", item.SLN);
                                    Log.Debug("key id: {0} (dec), {0:X} (hex)", item.KeyId);
                                    Log.Debug("key: {0}", BitConverter.ToString(item.Key));

                                    string algName = string.Empty;

                                    if (Enum.IsDefined(typeof(AlgorithmId), (byte)cmdKmm.AlgorithmId))
                                    {
                                        algName = ((AlgorithmId)cmdKmm.AlgorithmId).ToString();
                                    }
                                    else
                                    {
                                        algName = "UNKNOWN";
                                    }

                                    Status +=
                                        string.Format("Keyset ID: {0} (dec), {0:X} (hex)", cmdKmm.KeysetId) + Environment.NewLine +
                                        string.Format("SLN/CKR: {0} (dec), {0:X} (hex)", item.SLN) + Environment.NewLine +
                                        string.Format("Key ID: {0} (dec), {0:X} (hex)", item.KeyId) + Environment.NewLine +
                                        string.Format("Algorithm: {0} (dec), {0:X} (hex), {1}", cmdKmm.AlgorithmId, algName) + Environment.NewLine +
                                        string.Format("Key: {0}", BitConverter.ToString(item.Key).Replace("-", string.Empty)) + Environment.NewLine +
                                        "--" + Environment.NewLine;

                                    KeyStatus status = new KeyStatus();

                                    status.AlgorithmId = cmdKmm.AlgorithmId;
                                    status.KeyId       = item.KeyId;
                                    status.Status      = 0x00; // command was performed

                                    rspKmm.Keys.Add(status);
                                }

                                KmmFrame cmdKmmFrame = new KmmFrame(rspKmm);

                                SendKmm(cmdKmmFrame.ToBytes());
                            }
                        }
                        else if (rx == OPCODE_TRANSFER_DONE)
                        {
                            Log.Debug("in: got transfer done opcode");

                            /* TX: TRANSFER DONE */

                            Log.Debug("out: transfer done opcode");
                            Log.Trace("out: {0}", Utility.DataFormat(OPCODE_TRANSFER_DONE));
                            Protocol.SendByte(OPCODE_TRANSFER_DONE);

                            /* RX: DISCONNECT */

                            try
                            {
                                Log.Debug("in: waiting for disconnect opcode");
                                rx = Protocol.GetByte(TIMEOUT_STD);
                                Log.Trace("in: {0}", Utility.DataFormat(rx));
                            }
                            catch (Exception)
                            {
                                string msg = string.Format("in: timed out waiting for disconnect opcode");
                                Log.Warn(msg);
                                break;
                            }

                            if (rx == OPCODE_DISCONNECT)
                            {
                                Log.Debug("in: got disconnect opcode");
                            }
                            else
                            {
                                string msg = string.Format("in: unexpected disconnect opcode, expected ({0}) got ({1})", Utility.DataFormat(OPCODE_DISCONNECT), Utility.DataFormat(rx));
                                Log.Warn(msg);
                                break;
                            }

                            /* TX: DISCONNECT ACKNOWLEDGE */

                            Log.Debug("out: disconnect acknowledge opcode");
                            Log.Trace("out: {0}", Utility.DataFormat(OPCODE_DISCONNECT_ACK));
                            Protocol.SendByte(OPCODE_DISCONNECT_ACK);
                            break;
                        }
                        else
                        {
                            string msg = string.Format("in: unexpected frame type opcode ({0})", Utility.DataFormat(rx));
                            Log.Warn(msg);
                            break;
                        }
                    }
                }
            }
            catch (OperationCanceledException)
            {
                Log.Debug("operation cancelled");
                return;
            }
            catch (Exception ex)
            {
                Log.Warn("error in mr emulation: {0}", ex.Message);
                throw;
            }
        }