private void die(bool error = true)
{
if (closed)
{
return;
}
state = CONNSTATE.Error;
form.updateConnectionListEntry(this);
socket.Close();
closed = true;
}
private void catchSocketException(System.Net.Sockets.SocketException e)
{
Console.WriteLine("Socket Error...");
if (e.ErrorCode == /*WSAECONNRESET*/ 0x2746)
{
state = CONNSTATE.Disconnected;
form.updateConnectionListEntry(this);
}
else
{
die();
}
}
public ConnectionInfo(J2534LogController form1, Socket handler)
{
socket = handler;
stream = new NetworkStream(socket);
streamreader = new FullBinaryReader(stream, System.Text.Encoding.ASCII);
form = form1;
ID = Interlocked.Increment(ref nextConnectionId);
state = CONNSTATE.Setup;
Driver = "";
Client = "";
thread = new Thread(new ThreadStart(recvThreadFunc));
tmpLogPath = Path.GetTempFileName();
logWriter = new StreamWriter(tmpLogPath);
}
private void recvThreadFunc()
{
bool is_mid_msg = false;
try
{
UInt16 wireProtoVersion = streamreader.ReadUInt16();
if (wireProtoVersion != 0x0000)
{
state = CONNSTATE.Unsupported;
form.updateConnectionListEntry(this);
return;
}
UInt16 J2534ProtoVersion = streamreader.ReadUInt16();
switch (J2534ProtoVersion)
{
case 0x0404:
interpreter = new J2534ProtocolInterpreter_0404();
break;
default:
state = CONNSTATE.Unsupported;
form.updateConnectionListEntry(this);
return;
}
state = CONNSTATE.Connected;
form.updateConnectionListEntry(this);
//Setup complete, Loop forever processing messages.
while (state == CONNSTATE.Connected)
{
msgtype mtype = (msgtype)streamreader.ReadByte();
checkEnum(typeof(msgtype), mtype);
is_mid_msg = true;
switch (mtype)
{
case msgtype.reportParam:
StringBuilder logentry = new StringBuilder();
param p = (param)streamreader.ReadByte();
checkEnum(typeof(param), p);
switch (p)
{
case param.client:
Client = streamreader.ReadString();
form.updateConnectionListEntry(this);
logentry.Append("Client: " + Client);
//logWriter.WriteLine("Client: " + Client);
break;
case param.driver:
Driver = streamreader.ReadString();
logentry.Append("Driver: " + Driver);
//logWriter.WriteLine("Driver: " + Driver);
int driverstatus = streamreader.ReadInt32();
if (driverstatus != 0)
{
close();
state = CONNSTATE.Error;
if (driverstatus > 0)
{
state = CONNSTATE.BadDriver;
}
else if (driverstatus == -1)
{
state = CONNSTATE.MissingDriver;
}
}
form.updateConnectionListEntry(this);
break;
}
saveLogEntry(logentry.ToString());
break;
case msgtype.J2534Msg:
saveLogEntry(interpreter.interpret(streamreader));
EventCount++;
form.updateConnectionListEntry(this);
break;
}
is_mid_msg = false;
}
}
catch (System.ObjectDisposedException)
{
Console.WriteLine("Connectionclosed, unable to do stuff.");
state = CONNSTATE.Disconnected;
form.updateConnectionListEntry(this);
}
catch (System.Net.Sockets.SocketException e)
{
catchSocketException(e);
}
catch (System.IO.IOException e)
{
if (e.InnerException is System.Net.Sockets.SocketException)
{
catchSocketException((System.Net.Sockets.SocketException)e.InnerException);
}
else if (!is_mid_msg)
{
state = CONNSTATE.Disconnected;
form.updateConnectionListEntry(this);
socket.Close();
}
else
{
die();
}
}
catch (InvalidEnumException e)
{
Console.WriteLine(e.ToString());
die();
}
}
internal void close()
{
closed = true;
state = CONNSTATE.Disconnected;
socket.Close();
}