private void NrDictAdd(byte deviceAddr, bool enableLogging)
{
int retries;
if (NrDict.TryGetValue(deviceAddr, out retries))
{
NrDict.Remove(deviceAddr);
retries++;
if (retries <= ParRetryNr)
{
if (enableLogging)
{
EdiabasProtected.LogFormat(EdiabasNet.EdLogLevel.Ifh, "NR({0:X02}) count={1}", deviceAddr, retries);
}
NrDict.Add(deviceAddr, retries);
}
else
{
if (enableLogging)
{
EdiabasProtected.LogFormat(EdiabasNet.EdLogLevel.Ifh, "*** NR({0:X02}) exceeded", deviceAddr);
}
}
}
else
{
if (enableLogging)
{
EdiabasProtected.LogFormat(EdiabasNet.EdLogLevel.Ifh, "NR({0:X02}) added", deviceAddr);
}
NrDict.Add(deviceAddr, 0);
}
}
protected EdiabasNet.ErrorCodes ObdTrans(byte[] sendData, int sendDataLength, ref byte[] receiveData, out int receiveLength)
{
receiveLength = 0;
if (TcpDiagStream == null)
{
return(EdiabasNet.ErrorCodes.EDIABAS_IFH_0019);
}
EdiabasNet.ErrorCodes errorCode = EdiabasNet.ErrorCodes.EDIABAS_ERR_NONE;
UInt32 retries = CommRepeatsProtected;
string retryComm = EdiabasProtected.GetConfigProperty("RetryComm");
if (retryComm != null)
{
if (EdiabasNet.StringToValue(retryComm) == 0)
{
retries = 0;
}
}
for (int i = 0; i < retries + 1; i++)
{
errorCode = ParTransmitFunc(sendData, sendDataLength, ref receiveData, out receiveLength);
if (errorCode == EdiabasNet.ErrorCodes.EDIABAS_ERR_NONE)
{
return(errorCode);
}
if (errorCode == EdiabasNet.ErrorCodes.EDIABAS_IFH_0003)
{ // interface error
break;
}
}
return(errorCode);
}
public override bool ReceiveFrequent(out byte[] receiveData)
{
receiveData = null;
if (CommParameterProtected == null)
{
EdiabasProtected.SetError(EdiabasNet.ErrorCodes.EDIABAS_IFH_0006);
return(false);
}
receiveData = ByteArray0;
return(true);
}
private void NrDictRemove(byte deviceAddr, bool enableLogging)
{
if (NrDict.ContainsKey(deviceAddr))
{
if (enableLogging)
{
EdiabasProtected.LogFormat(EdiabasNet.EdLogLevel.Ifh, "NR({0:X02}) removed", deviceAddr);
}
NrDict.Remove(deviceAddr);
}
}
public override bool InterfaceDisconnect()
{
EdiabasProtected?.LogString(EdiabasNet.EdLogLevel.Ifh, "Disconnect");
bool result = true;
try
{
if (TcpDiagStream != null)
{
TcpDiagStream.Close();
TcpDiagStream = null;
}
}
catch (Exception)
{
result = false;
}
try
{
if (TcpDiagClient != null)
{
TcpDiagClient.Close();
TcpDiagClient = null;
}
}
catch (Exception)
{
result = false;
}
if (!TcpControlDisconnect())
{
result = false;
}
try
{
if (UdpSocket != null)
{
UdpSocket.Close();
UdpSocket = null;
}
}
catch (Exception)
{
result = false;
}
TcpHostIp = null;
ReconnectRequired = false;
return(result);
}
public override bool TransmitData(byte[] sendData, out byte[] receiveData)
{
receiveData = null;
if (CommParameterProtected == null)
{
EdiabasProtected.SetError(EdiabasNet.ErrorCodes.EDIABAS_IFH_0006);
return(false);
}
EdiabasNet.ErrorCodes cachedErrorCode;
byte[] cachedResponse;
if (ReadCachedTransmission(sendData, out cachedResponse, out cachedErrorCode))
{
if (cachedErrorCode != EdiabasNet.ErrorCodes.EDIABAS_ERR_NONE)
{
EdiabasProtected.SetError(cachedErrorCode);
return(false);
}
receiveData = cachedResponse;
return(true);
}
if (ReconnectRequired)
{
InterfaceDisconnect();
if (!InterfaceConnect())
{
ReconnectRequired = true;
EdiabasProtected.SetError(EdiabasNet.ErrorCodes.EDIABAS_IFH_0003);
return(false);
}
}
int recLength;
EdiabasNet.ErrorCodes errorCode = ObdTrans(sendData, sendData.Length, ref RecBuffer, out recLength);
if (errorCode != EdiabasNet.ErrorCodes.EDIABAS_ERR_NONE)
{
if (errorCode == EdiabasNet.ErrorCodes.EDIABAS_IFH_0003)
{
ReconnectRequired = true;
}
CacheTransmission(sendData, null, errorCode);
EdiabasProtected.SetError(errorCode);
return(false);
}
receiveData = new byte[recLength];
Array.Copy(RecBuffer, receiveData, recLength);
CacheTransmission(sendData, receiveData, EdiabasNet.ErrorCodes.EDIABAS_ERR_NONE);
return(true);
}
public override bool InterfaceConnect()
{
if (TcpDiagClient != null)
{
return(true);
}
try
{
EdiabasProtected.LogString(EdiabasNet.EdLogLevel.Ifh, "Connect");
TcpHostIp = null;
if (RemoteHostProtected.StartsWith(AutoIp, StringComparison.OrdinalIgnoreCase))
{
List <IPAddress> detectedVehicles = DetectedVehicles(RemoteHostProtected, 1);
if ((detectedVehicles == null) || (detectedVehicles.Count < 1))
{
return(false);
}
TcpHostIp = detectedVehicles[0];
UdpSocket.Close();
EdiabasProtected.LogString(EdiabasNet.EdLogLevel.Ifh, string.Format("Received: IP={0}", TcpHostIp));
}
else
{
TcpHostIp = IPAddress.Parse(RemoteHostProtected);
}
TcpDiagClient = new TcpClientWithTimeout(TcpHostIp, DiagnosticPort, ConnectTimeout).Connect();
TcpDiagStream = TcpDiagClient.GetStream();
TcpDiagRecLen = 0;
LastTcpDiagRecTime = DateTime.MinValue.Ticks;
TcpDiagRecQueue.Clear();
StartReadTcpDiag(6);
EdiabasProtected.LogString(EdiabasNet.EdLogLevel.Ifh, "Connected");
ReconnectRequired = false;
}
catch (Exception ex)
{
EdiabasProtected.LogString(EdiabasNet.EdLogLevel.Ifh, "InterfaceConnect exception: " + EdiabasNet.GetExceptionText(ex));
InterfaceDisconnect();
return(false);
}
return(true);
}
protected bool SendData(byte[] sendData, int length, bool enableLogging)
{
if (TcpDiagStream == null)
{
return(false);
}
try
{
lock (TcpDiagStreamRecLock)
{
TcpDiagStreamRecEvent.Reset();
TcpDiagRecQueue.Clear();
}
byte targetAddr = sendData[1];
byte sourceAddr = sendData[2];
if (sourceAddr == 0xF1)
{
sourceAddr = (byte)TesterAddress;
}
int dataOffset = 3;
int dataLength = sendData[0] & 0x3F;
if (dataLength == 0)
{ // with length byte
if (sendData[3] == 0)
{
dataLength = (sendData[4] << 8) | sendData[5];
dataOffset = 6;
}
else
{
dataLength = sendData[3];
dataOffset = 4;
}
}
int payloadLength = dataLength + 2;
DataBuffer[0] = (byte)((payloadLength >> 24) & 0xFF);
DataBuffer[1] = (byte)((payloadLength >> 16) & 0xFF);
DataBuffer[2] = (byte)((payloadLength >> 8) & 0xFF);
DataBuffer[3] = (byte)(payloadLength & 0xFF);
DataBuffer[4] = 0x00; // Payoad type: Diag message
DataBuffer[5] = 0x01;
DataBuffer[6] = sourceAddr;
DataBuffer[7] = targetAddr;
Array.Copy(sendData, dataOffset, DataBuffer, 8, dataLength);
int sendLength = dataLength + 8;
lock (TcpDiagStreamSendLock)
{
TcpDiagStream.Write(DataBuffer, 0, sendLength);
}
// wait for ack
int recLen = ReceiveTelegram(AckBuffer, 5000);
if (recLen < 0)
{
if (enableLogging)
{
EdiabasProtected.LogString(EdiabasNet.EdLogLevel.Ifh, "*** No ack received");
}
return(false);
}
if ((recLen < 6) || (recLen > sendLength) || (AckBuffer[5] != 0x02))
{
if (enableLogging)
{
EdiabasProtected.LogData(EdiabasNet.EdLogLevel.Ifh, AckBuffer, 0, recLen, "*** Ack frame invalid");
}
return(false);
}
AckBuffer[4] = DataBuffer[4];
AckBuffer[5] = DataBuffer[5];
for (int i = 4; i < recLen; i++)
{
if (AckBuffer[i] != DataBuffer[i])
{
if (enableLogging)
{
EdiabasProtected.LogData(EdiabasNet.EdLogLevel.Ifh, AckBuffer, 0, recLen, "*** Ack data invalid");
}
return(false);
}
}
}
catch (Exception)
{
return(false);
}
return(true);
}
public List <IPAddress> DetectedVehicles(string remoteHostConfig, int maxVehicles = -1)
{
if (!remoteHostConfig.StartsWith(AutoIp, StringComparison.OrdinalIgnoreCase))
{
return(null);
}
// ReSharper disable once UseObjectOrCollectionInitializer
UdpSocket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
#if !WindowsCE
UdpSocket.EnableBroadcast = true;
#endif
IPEndPoint ipUdp = new IPEndPoint(IPAddress.Any, 0);
UdpSocket.Bind(ipUdp);
lock (UdpRecListLock)
{
UdpRecIpListList = new List <IPAddress>();
}
UdpMaxResponses = maxVehicles;
StartUdpListen();
bool broadcastSend = false;
#if !WindowsCE
string configData = remoteHostConfig.Remove(0, AutoIp.Length);
if ((configData.Length > 0) && (configData[0] == ':'))
{
string adapterName = configData.StartsWith(":all", StringComparison.OrdinalIgnoreCase) ? string.Empty : configData.Remove(0, 1);
System.Net.NetworkInformation.NetworkInterface[] adapters = System.Net.NetworkInformation.NetworkInterface.GetAllNetworkInterfaces();
foreach (System.Net.NetworkInformation.NetworkInterface adapter in adapters)
{
if (adapter.OperationalStatus == System.Net.NetworkInformation.OperationalStatus.Up)
{
System.Net.NetworkInformation.IPInterfaceProperties properties = adapter.GetIPProperties();
if (properties.UnicastAddresses != null)
{
foreach (System.Net.NetworkInformation.UnicastIPAddressInformation ipAddressInfo in properties.UnicastAddresses)
{
if (ipAddressInfo.Address.AddressFamily == AddressFamily.InterNetwork)
{
if ((adapterName.Length == 0) || (adapter.Name.StartsWith(adapterName, StringComparison.OrdinalIgnoreCase)))
{
try
{
byte[] ipBytes = ipAddressInfo.Address.GetAddressBytes();
byte[] maskBytes = ipAddressInfo.IPv4Mask.GetAddressBytes();
for (int i = 0; i < ipBytes.Length; i++)
{
ipBytes[i] |= (byte)(~maskBytes[i]);
}
IPAddress broadcastAddress = new IPAddress(ipBytes);
EdiabasProtected?.LogString(EdiabasNet.EdLogLevel.Ifh, string.Format("Sending: '{0}': Ip={1} Mask={2} Broadcast={3}",
adapter.Name, ipAddressInfo.Address, ipAddressInfo.IPv4Mask, broadcastAddress));
IPEndPoint ipUdpIdent = new IPEndPoint(broadcastAddress, ControlPort);
UdpSocket.SendTo(UdpIdentReq, ipUdpIdent);
broadcastSend = true;
}
catch (Exception)
{
EdiabasProtected?.LogString(EdiabasNet.EdLogLevel.Ifh, "Broadcast failed");
}
}
}
}
}
}
}
}
else
#endif
{
try
{
#if Android || WindowsCE
IPEndPoint ipUdpIdent = new IPEndPoint(IPAddress.Broadcast, ControlPort);
#else
IPEndPoint ipUdpIdent = new IPEndPoint(IPAddress.Parse("169.254.255.255"), ControlPort);
#endif
EdiabasProtected?.LogString(EdiabasNet.EdLogLevel.Ifh, string.Format("Sending to: {0}", ipUdpIdent.Address));
UdpSocket.SendTo(UdpIdentReq, ipUdpIdent);
broadcastSend = true;
}
catch (Exception)
{
EdiabasProtected?.LogString(EdiabasNet.EdLogLevel.Ifh, "Broadcast failed");
}
}
if (!broadcastSend)
{
EdiabasProtected?.LogString(EdiabasNet.EdLogLevel.Ifh, "No broadcast send");
InterfaceDisconnect();
return(null);
}
UdpEvent.WaitOne(1000, false);
if (UdpRecIpListList.Count == 0)
{
EdiabasProtected?.LogString(EdiabasNet.EdLogLevel.Ifh, "No answer received");
InterfaceDisconnect();
return(null);
}
UdpSocket.Close();
List <IPAddress> ipList;
lock (UdpRecListLock)
{
ipList = UdpRecIpListList;
UdpRecIpListList = null;
}
return(ipList);
}
private EdiabasNet.ErrorCodes TransKwp2000(byte[] sendData, int sendDataLength, ref byte[] receiveData, out int receiveLength, bool enableLogging)
{
receiveLength = 0;
if (sendDataLength > 0)
{
NrDict.Clear();
int sendLength = TelLengthBmwFast(sendData);
if (enableLogging)
{
EdiabasProtected.LogData(EdiabasNet.EdLogLevel.Ifh, sendData, 0, sendLength, "Send");
}
if (!SendData(sendData, sendLength, enableLogging))
{
if (enableLogging)
{
EdiabasProtected.LogString(EdiabasNet.EdLogLevel.Ifh, "*** Sending failed");
}
return(EdiabasNet.ErrorCodes.EDIABAS_IFH_0003);
}
}
for (; ;)
{
int timeout = (NrDict.Count > 0) ? ParTimeoutNr : ParTimeoutStd;
//if (enableLogging) EdiabasProtected.LogFormat(EdiabasNet.EdLogLevel.Ifh, "Timeout: {0}", timeout);
if (!ReceiveData(receiveData, timeout))
{
if (enableLogging)
{
EdiabasProtected.LogString(EdiabasNet.EdLogLevel.Ifh, "*** No data received");
}
return(EdiabasNet.ErrorCodes.EDIABAS_IFH_0009);
}
int recLength = TelLengthBmwFast(receiveData);
EdiabasProtected.LogData(EdiabasNet.EdLogLevel.Ifh, receiveData, 0, recLength + 1, "Resp");
int dataLen = receiveData[0] & 0x3F;
int dataStart = 3;
if (dataLen == 0)
{ // with length byte
if (receiveData[3] == 0)
{
dataLen = (receiveData[4] << 8) | receiveData[5];
dataStart += 3;
}
else
{
dataLen = receiveData[3];
dataStart++;
}
}
if ((dataLen == 3) && (receiveData[dataStart] == 0x7F) && (receiveData[dataStart + 2] == 0x78))
{ // negative response 0x78
NrDictAdd(receiveData[2], enableLogging);
}
else
{
NrDictRemove(receiveData[2], enableLogging);
break;
}
if (NrDict.Count == 0)
{
break;
}
}
receiveLength = TelLengthBmwFast(receiveData) + 1;
return(EdiabasNet.ErrorCodes.EDIABAS_ERR_NONE);
}