Beispiel #1
0
void
Layer3::recv_L_Data (LPDU * l)
{
  TRACEPRINTF (t, 3, this, "Recv %s", l->Decode ()());
  buf.put (l);
  pth_sem_inc (&bufsem, 0);
}
Beispiel #2
0
void
TPUARTLayer2Driver::Send_L_Data (LPDU * l)
{
  TRACEPRINTF (t, 2, this, "Send %s", l->Decode ()());
  inqueue.put (l);
  pth_sem_inc (&in_signal, 1);
}
Beispiel #3
0
void
FT12LowLevelDriver::Send_Packet (CArray l)
{
  CArray pdu;
  uchar c;
  unsigned i;
  t->TracePacket (1, this, "Send", l);

  assert (l () <= 32);
  pdu.resize (l () + 7);
  pdu[0] = 0x68;
  pdu[1] = l () + 1;
  pdu[2] = l () + 1;
  pdu[3] = 0x68;
  if (sendflag)
    pdu[4] = 0x53;
  else
    pdu[4] = 0x73;
  sendflag = !sendflag;

  pdu.setpart (l.array (), 5, l ());
  c = pdu[4];
  for (i = 0; i < l (); i++)
    c += l[i];
  pdu[pdu () - 2] = c;
  pdu[pdu () - 1] = 0x16;

  inqueue.put (pdu);
  pth_sem_set_value (&send_empty, 0);
  pth_sem_inc (&in_signal, TRUE);
}
Beispiel #4
0
void
BCU1SerialLowLevelDriver::Send_Packet (CArray l)
{
  CArray pdu;
  t->TracePacket (1, this, "Send", l);
  inqueue.put (l);
  pth_sem_set_value (&send_empty, 0);
  pth_sem_inc (&in_signal, TRUE);
}
bool
EIBNetIPTunnel::leaveBusmonitor ()
{
  mode = 0;
  connect_busmonitor = 0;
  inqueue.put (CArray ());
  pth_sem_inc (&insignal, 1);
  return 1;
}
Beispiel #6
0
void
Thread::Stop ()
{
    if (!tid)
        return;
    pth_sem_inc (&should_stop, TRUE);

    if (!joinable || pth_join (tid, 0))
        tid = 0;
}
bool
EIBNetIPTunnel::enterBusmonitor ()
{
  mode = 1;
  if (support_busmonitor)
    connect_busmonitor = 1;
  inqueue.put (CArray ());
  pth_sem_inc (&insignal, 1);
  return 1;
}
Beispiel #8
0
void
Thread::StopDelete ()
{
    autodel = true;
    pth_sem_inc (&should_stop, FALSE);
    if (!tid)
        return;
    pth_attr_t at = pth_attr_of (tid);
    pth_attr_set (at, PTH_ATTR_JOINABLE, FALSE);
    pth_attr_destroy (at);
}
void
EIBNetIPTunnel::Send_L_Data (LPDU * l)
{
  TRACEPRINTF (t, 2, this, "Send %s", l->Decode ()());
  if (l->getType () != L_Data)
    {
      delete l;
      return;
    }
  L_Data_PDU *l1 = (L_Data_PDU *) l;
  inqueue.put (L_Data_ToCEMI (0x11, *l1));
  pth_sem_inc (&insignal, 1);
  if (vmode)
    {
      L_Busmonitor_PDU *l2 = new L_Busmonitor_PDU;
      l2->pdu.set (l->ToPacket ());
      outqueue.put (l2);
      pth_sem_inc (&outsignal, 1);
    }
  outqueue.put (l);
  pth_sem_inc (&outsignal, 1);
}
Beispiel #10
0
void
Layer3::recv_L_Data (LPDU * l)
{
  if (running)
    {
      TRACEPRINTF (t, 3, this, "Enqueue %s", l->Decode ()());
      buf.put (l);
      pth_sem_inc (&bufsem, 0);
    }
  else
    {
      TRACEPRINTF (t, 3, this, "Discard(not running) %s", l->Decode ()());
      delete l;
    }
}
Beispiel #11
0
void
FT12LowLevelDriver::SendReset ()
{
  CArray pdu;
  TRACEPRINTF (t, 1, this, "SendReset");
  pdu.resize (4);
  pdu[0] = 0x10;
  pdu[1] = 0x40;
  pdu[2] = 0x40;
  pdu[3] = 0x16;
  sendflag = 0;
  recvflag = 0;
  inqueue.put (pdu);
  pth_sem_set_value (&send_empty, 0);
  pth_sem_inc (&in_signal, TRUE);
}
Beispiel #12
0
void
EMI1Layer2::Send_L_Data (LPDU * l)
{
  TRACEPRINTF (t, 2, this, "Send %s", l->Decode ()());
  if (l->getType () != L_Data)
    {
      delete l;
      return;
    }
  L_Data_PDU *l1 = (L_Data_PDU *) l;
  assert (l1->data () >= 1);
  /* discard long frames, as they are not supported by EMI 1 */
  if (l1->data () > 0x10)
    return;
  assert (l1->data () <= 0x10);
  assert ((l1->hopcount & 0xf8) == 0);

  inqueue.put (l);
  pth_sem_inc (&in_signal, 1);
}
Beispiel #13
0
void
BCU1SerialLowLevelDriver::Run (pth_sem_t * stop1)
{
  pth_event_t stop = pth_event (PTH_EVENT_SEM, stop1);
  pth_event_t input = pth_event (PTH_EVENT_SEM, &in_signal);
  pth_event_t timeout = pth_event (PTH_EVENT_RTIME, pth_time (0, 10));
  while (pth_event_status (stop) != PTH_STATUS_OCCURRED)
    {
      int error;
      timeout =
	pth_event (PTH_EVENT_RTIME | PTH_MODE_REUSE, timeout,
		   pth_time (0, 150));
      pth_event_concat (stop, input, timeout, NULL);
      pth_wait (stop);
      pth_event_isolate (stop);
      pth_event_isolate (input);
      timeout =
	pth_event (PTH_EVENT_RTIME | PTH_MODE_REUSE, timeout,
		   pth_time (0, 200));
      pth_event_concat (stop, timeout, NULL);

      struct timeval v1, v2;
      gettimeofday (&v1, 0);

      CArray e;
      CArray r;
      uchar s;
      if (!inqueue.isempty ())
	{
	  const CArray & c = inqueue.top ();
	  e.resize (c () + 1);
	  s = c () & 0x1f;
	  s |= 0x20;
	  s |= 0x80 * bitcount (s);
	  e[0] = s;
	  e.setpart (c, 1);
	}
      else
	{
	  e.resize (1);
	  e[0] = 0xff;
	}
      if (!startsync ())
	{
	  error = 1;
	  goto err;
	}
      if (!exchange (e[0], s, stop))
	{
	  error = 3;
	  goto err;
	}
      if (!endsync ())
	{
	  error = 2;
	  goto err;
	}
      if (s == 0xff && e[0] != 0xff)
	{
	  for (unsigned i = 1; i < e (); i++)
	    {
	      if (!startsync ())
		{
		  error = 1;
		  goto err;
		}
	      if (!exchange (e[i], s, stop))
		{
		  error = 3;
		  goto err;
		}
	      if (endsync ())
		{
		  error = 2;
		  goto err;
		}
	    }
	  if (s != 0x00)
	    {
	      error = 10;
	      goto err;
	    }
	  inqueue.get ();
	  TRACEPRINTF (t, 0, this, "Sent");
	  pth_sem_dec (&in_signal);
	  if (inqueue.isempty ())
	    pth_sem_set_value (&send_empty, 1);
	}
      else if (s != 0xff)
	{
	  r.resize ((s & 0x1f));
	  for (unsigned i = 0; i < (s & 0x1f); i++)
	    {
	      if (!startsync ())
		{
		  error = 1;
		  goto err;
		}
	      if (!exchange (0, r[i], stop))
		{
		  error = 3;
		  goto err;
		}
	      if (!endsync ())
		{
		  error = 2;
		  goto err;
		}
	    }
	  TRACEPRINTF (t, 0, this, "Recv");
	  outqueue.put (new CArray (r));
	  pth_sem_inc (&out_signal, 1);
	}
      gettimeofday (&v2, 0);
      TRACEPRINTF (t, 1, this, "Recvtime: %d",
		   v2.tv_sec * 1000000L + v2.tv_usec -
		   (v1.tv_sec * 1000000L + v1.tv_usec));

      if (0)
	{
	err:
	  gettimeofday (&v2, 0);
	  TRACEPRINTF (t, 1, this, "ERecvtime: %d",
		       v2.tv_sec * 1000000L + v2.tv_usec -
		       (v1.tv_sec * 1000000L + v1.tv_usec));
	  setstat (getstat () & ~(TIOCM_RTS | TIOCM_CTS));
	  pth_usleep (2000);
	  while ((getstat () & TIOCM_CTS));
	  TRACEPRINTF (t, 0, this, "Restart %d", error);
	}

      pth_event_isolate (timeout);
    }
  pth_event_free (timeout, PTH_FREE_THIS);
  pth_event_free (stop, PTH_FREE_THIS);
  pth_event_free (input, PTH_FREE_THIS);
}
Beispiel #14
0
void
TPUARTLayer2Driver::Run (pth_sem_t * stop1)
{
  struct message m;
  int l;
  pth_event_t stop = pth_event (PTH_EVENT_SEM, stop1);
  pth_event_t input = pth_event (PTH_EVENT_SEM, &in_signal);
  while (pth_event_status (stop) != PTH_STATUS_OCCURRED)
    {
      pth_event_concat (stop, input, NULL);
      l = pth_read_ev (fd, &m, sizeof (m), stop);
      if (l >= 0)
	{
	  LPDU *l1;
	  if (m.length > sizeof (m.data))
	    m.length = sizeof (m.data);
	  t->TracePacket (0, this, "Recv", m.length, m.data);
	  if (vmode && mode == 0)
	    {
	      L_Busmonitor_PDU *l2 = new L_Busmonitor_PDU;
	      l2->pdu.set (m.data, m.length);
	      outqueue.put (l2);
	      pth_sem_inc (&out_signal, 1);
	    }
	  if (mode == 0)
	    l1 = LPDU::fromPacket (CArray (m.data, m.length));
	  else
	    {
	      l1 = new L_Busmonitor_PDU;
	      ((L_Busmonitor_PDU *) l1)->pdu.set (m.data, m.length);
	    }
	  outqueue.put (l1);
	  pth_sem_inc (&out_signal, 1);
	}
      pth_event_isolate (stop);
      if (!inqueue.isempty ())
	{
	  LPDU *l1 = inqueue.top ();
	  CArray c = l1->ToPacket ();
	  unsigned len = c ();
	  if (len > sizeof (m.data))
	    len = sizeof (m.data);
	  memcpy (m.data, c.array (), len);
	  m.length = len;
	  if (ver)
	    m.length--;
	  t->TracePacket (0, this, "Send", m.length, m.data);
	  l = pth_write_ev (fd, &m, sizeof (m), stop);
	  if (l >= 0)
	    {
	      if (vmode)
		{
		  L_Busmonitor_PDU *l2 = new L_Busmonitor_PDU;
		  l2->pdu.set (c);
		  outqueue.put (l2);
		  pth_sem_inc (&out_signal, 1);
		}
	      pth_sem_dec (&in_signal);
	      delete inqueue.get ();
	    }
	}
    }
  pth_event_free (stop, PTH_FREE_THIS);
  pth_event_free (input, PTH_FREE_THIS);
}
Beispiel #15
0
void
FT12LowLevelDriver::Run (pth_sem_t * stop1)
{
  CArray last;
  int i;
  uchar buf[255];

  pth_event_t stop = pth_event (PTH_EVENT_SEM, stop1);
  pth_event_t input = pth_event (PTH_EVENT_SEM, &in_signal);
  pth_event_t timeout = pth_event (PTH_EVENT_RTIME, pth_time (0, 100000));
  while (pth_event_status (stop) != PTH_STATUS_OCCURRED)
    {
      pth_event_isolate (input);
      pth_event_isolate (timeout);
      if (mode == 0)
	pth_event_concat (stop, input, NULL);
      if (mode == 1)
	pth_event_concat (stop, timeout, NULL);

      i = pth_read_ev (fd, buf, sizeof (buf), stop);
      if (i > 0)
	{
	  t->TracePacket (0, this, "Recv", i, buf);
	  akt.setpart (buf, akt (), i);
	}

      while (akt.len () > 0)
	{
	  if (akt[0] == 0xE5 && mode == 1)
	    {
	      pth_sem_dec (&in_signal);
	      inqueue.get ();
	      if (inqueue.isempty ())
		pth_sem_set_value (&send_empty, 1);
	      akt.deletepart (0, 1);
	      mode = 0;
	      repeatcount = 0;
	    }
	  else if (akt[0] == 0x10)
	    {
	      if (akt () < 4)
		break;
	      if (akt[1] == akt[2] && akt[3] == 0x16)
		{
		  uchar c1 = 0xE5;
		  t->TracePacket (0, this, "Send Ack", 1, &c1);
		  write (fd, &c1, 1);
		  if ((akt[1] == 0xF3 && !recvflag) ||
		      (akt[1] == 0xD3 && recvflag))
		    {
		      //right sequence number
		      recvflag = !recvflag;
		    }
		  if ((akt[1] & 0x0f) == 0)
		    {
		      const uchar reset[1] = { 0xA0 };
		      CArray *c = new CArray (reset, sizeof (reset));
		      t->TracePacket (0, this, "RecvReset", *c);
		      outqueue.put (c);
		      pth_sem_inc (&out_signal, TRUE);
		    }
		}
	      akt.deletepart (0, 4);
	    }
	  else if (akt[0] == 0x68)
	    {
	      int len;
	      uchar c1;
	      if (akt () < 7)
		break;
	      if (akt[1] != akt[2] || akt[3] != 0x68)
		{
		  //receive error, try to resume
		  akt.deletepart (0, 1);
		  continue;
		}
	      if (akt () < akt[1] + 6)
		break;

	      c1 = 0;
	      for (i = 4; i < akt[1] + 4; i++)
		c1 += akt[i];
	      if (akt[akt[1] + 4] != c1 || akt[akt[1] + 5] != 0x16)
		{
		  len = akt[1] + 6;
		  //Forget wrong short frame
		  akt.deletepart (0, len);
		  continue;
		}

	      c1 = 0xE5;
	      t->TracePacket (0, this, "Send Ack", 1, &c1);
	      i = write (fd, &c1, 1);

	      if ((akt[4] == 0xF3 && recvflag) ||
		  (akt[4] == 0xD3 && !recvflag))
		{
		  if (CArray (akt.array () + 5, akt[1] - 1) != last)
		    {
		      TRACEPRINTF (t, 0, this, "Sequence jump");
		      recvflag = !recvflag;
		    }
		  else
		    TRACEPRINTF (t, 0, this, "Wrong Sequence");
		}

	      if ((akt[4] == 0xF3 && !recvflag) ||
		  (akt[4] == 0xD3 && recvflag))
		{
		  recvflag = !recvflag;
		  CArray *c = new CArray;
		  len = akt[1] + 6;
		  c->setpart (akt.array () + 5, 0, len - 7);
		  last = *c;
		  outqueue.put (c);
		  pth_sem_inc (&out_signal, TRUE);
		}
	      akt.deletepart (0, len);
	    }
	  else
	    //Forget unknown byte
	    akt.deletepart (0, 1);
	}

      if (mode == 1 && pth_event_status (timeout) == PTH_STATUS_OCCURRED)
	mode = 0;

      if (mode == 0 && !inqueue.isempty ())
	{
	  const CArray & c = inqueue.top ();
	  t->TracePacket (0, this, "Send", c);
	  repeatcount++;
	  i = pth_write_ev (fd, c.array (), c (), stop);
	  if (i == c ())
	    {
	      mode = 1;
	      timeout =
		pth_event (PTH_EVENT_RTIME | PTH_MODE_REUSE, timeout,
			   pth_time (0, 100000));
	    }
	}
    }
  pth_event_free (stop, PTH_FREE_THIS);
  pth_event_free (timeout, PTH_FREE_THIS);
  pth_event_free (input, PTH_FREE_THIS);
}
void
EIBNetIPTunnel::Run (pth_sem_t * stop1)
{
  int channel = -1;
  int mod = 0;
  int rno = 0;
  int sno = 0;
  int retry = 0;
  int heartbeat = 0;
  int drop = 0;
  eibaddr_t myaddr;
  pth_event_t stop = pth_event (PTH_EVENT_SEM, stop1);
  pth_event_t input = pth_event (PTH_EVENT_SEM, &insignal);
  pth_event_t timeout = pth_event (PTH_EVENT_RTIME, pth_time (0, 0));
  pth_event_t timeout1 = pth_event (PTH_EVENT_RTIME, pth_time (10, 0));
  L_Data_PDU *c;

  EIBNetIPPacket p;
  EIBNetIPPacket *p1;
  EIBnet_ConnectRequest creq;
  creq.nat = saddr.sin_addr.s_addr == 0;
  EIBnet_ConnectResponse cresp;
  EIBnet_ConnectionStateRequest csreq;
  csreq.nat = saddr.sin_addr.s_addr == 0;
  EIBnet_ConnectionStateResponse csresp;
  EIBnet_TunnelRequest treq;
  EIBnet_TunnelACK tresp;
  EIBnet_DisconnectRequest dreq;
  dreq.nat = saddr.sin_addr.s_addr == 0;
  EIBnet_DisconnectResponse dresp;
  creq.caddr = saddr;
  creq.daddr = saddr;
  creq.CRI.resize (3);
  creq.CRI[0] = 0x04;
  creq.CRI[1] = 0x02;
  creq.CRI[2] = 0x00;
  p = creq.ToPacket ();
  sock->sendaddr = caddr;
  sock->Send (p);

  while (pth_event_status (stop) != PTH_STATUS_OCCURRED)
    {
      if (mod == 1)
	pth_event_concat (stop, input, NULL);
      if (mod == 2 || mod == 3)
	pth_event_concat (stop, timeout, NULL);

      pth_event_concat (stop, timeout1, NULL);

      p1 = sock->Get (stop);
      pth_event_isolate (stop);
      pth_event_isolate (timeout);
      pth_event_isolate (timeout1);
      if (p1)
	{
	  switch (p1->service)
	    {
	    case CONNECTION_RESPONSE:
	      if (mod)
		goto err;
	      if (parseEIBnet_ConnectResponse (*p1, cresp))
		{
		  TRACEPRINTF (t, 1, this, "Recv wrong connection response");
		  break;
		}
	      if (cresp.status != 0)
		{
		  TRACEPRINTF (t, 1, this, "Connect failed with error %02X",
			       cresp.status);
		  if (cresp.status == 0x23 && support_busmonitor == 1
		      && connect_busmonitor == 1)
		    {
		      TRACEPRINTF (t, 1, this, "Disable busmonitor support");
		      support_busmonitor = 0;
		      connect_busmonitor = 0;
		      creq.CRI[1] = 0x02;
		      pth_event (PTH_EVENT_RTIME | PTH_MODE_REUSE, timeout1,
				 pth_time (10, 0));
		      p = creq.ToPacket ();
		      TRACEPRINTF (t, 1, this, "Connectretry");
		      sock->sendaddr = caddr;
		      sock->Send (p);
		    }
		  break;
		}
	      if (cresp.CRD () != 3)
		{
		  TRACEPRINTF (t, 1, this, "Recv wrong connection response");
		  break;
		}
	      myaddr = (cresp.CRD[1] << 8) | cresp.CRD[2];
	      daddr = cresp.daddr;
	      if (!cresp.nat)
		{
		  if (NAT)
		    daddr.sin_addr = caddr.sin_addr;
		  if (dataport != -1)
		    daddr.sin_port = htons (dataport);
		}
	      channel = cresp.channel;
	      mod = 1;
	      sno = 0;
	      rno = 0;
	      sock->recvaddr2 = daddr;
	      sock->recvall = 3;
	      pth_event (PTH_EVENT_RTIME | PTH_MODE_REUSE, timeout1,
			 pth_time (30, 0));
	      heartbeat = 0;
	      break;

	    case TUNNEL_REQUEST:
	      if (mod == 0)
		{
		  TRACEPRINTF (t, 1, this, "Not connected");
		  goto err;
		}
	      if (parseEIBnet_TunnelRequest (*p1, treq))
		{
		  TRACEPRINTF (t, 1, this, "Invalid request");
		  break;
		}
	      if (treq.channel != channel)
		{
		  TRACEPRINTF (t, 1, this, "Not for us");
		  break;
		}
	      if (((treq.seqno + 1) & 0xff) == rno)
		{
		  tresp.status = 0;
		  tresp.channel = channel;
		  tresp.seqno = treq.seqno;
		  p = tresp.ToPacket ();
		  sock->sendaddr = daddr;
		  sock->Send (p);
		  sock->recvall = 0;
		  break;
		}
	      if (treq.seqno != rno)
		{
		  TRACEPRINTF (t, 1, this, "Wrong sequence %d<->%d",
			       treq.seqno, rno);
		  if (treq.seqno < rno)
		    treq.seqno += 0x100;
		  if (treq.seqno >= rno + 5)
		    {
		      dreq.caddr = saddr;
		      dreq.channel = channel;
		      p = dreq.ToPacket ();
		      sock->sendaddr = caddr;
		      sock->Send (p);
		      sock->recvall = 0;
		      mod = 0;
		    }
		  break;
		}
	      rno++;
	      if (rno > 0xff)
		rno = 0;
	      tresp.status = 0;
	      tresp.channel = channel;
	      tresp.seqno = treq.seqno;
	      p = tresp.ToPacket ();
	      sock->sendaddr = daddr;
	      sock->Send (p);
	      //Confirmation
	      if (treq.CEMI[0] == 0x2E)
		{
		  if (mod == 3)
		    mod = 1;
		  break;
		}
	      if (treq.CEMI[0] == 0x2B)
		{
		  L_Busmonitor_PDU *l2 = CEMI_to_Busmonitor (treq.CEMI);
		  outqueue.put (l2);
		  pth_sem_inc (&outsignal, 1);
		  break;
		}
	      if (treq.CEMI[0] != 0x29)
		{
		  TRACEPRINTF (t, 1, this, "Unexpected CEMI Type %02X",
			       treq.CEMI[0]);
		  break;
		}
	      c = CEMI_to_L_Data (treq.CEMI);
	      if (c)
		{

		  TRACEPRINTF (t, 1, this, "Recv %s", c->Decode ()());
		  if (mode == 0)
		    {
		      if (vmode)
			{
			  L_Busmonitor_PDU *l2 = new L_Busmonitor_PDU;
			  l2->pdu.set (c->ToPacket ());
			  outqueue.put (l2);
			  pth_sem_inc (&outsignal, 1);
			}
		      if (c->AddrType == IndividualAddress
			  && c->dest == myaddr)
			c->dest = 0;
		      outqueue.put (c);
		      pth_sem_inc (&outsignal, 1);
		      break;
		    }
		  L_Busmonitor_PDU *p1 = new L_Busmonitor_PDU;
		  p1->pdu = c->ToPacket ();
		  delete c;
		  outqueue.put (p1);
		  pth_sem_inc (&outsignal, 1);
		  break;
		}
	      TRACEPRINTF (t, 1, this, "Unknown CEMI");
	      break;
	    case TUNNEL_RESPONSE:
	      if (mod == 0)
		{
		  TRACEPRINTF (t, 1, this, "Not connected");
		  goto err;
		}
	      if (parseEIBnet_TunnelACK (*p1, tresp))
		{
		  TRACEPRINTF (t, 1, this, "Invalid response");
		  break;
		}
	      if (tresp.channel != channel)
		{
		  TRACEPRINTF (t, 1, this, "Not for us");
		  break;
		}
	      if (tresp.seqno != sno)
		{
		  TRACEPRINTF (t, 1, this, "Wrong sequence %d<->%d",
			       tresp.seqno, sno);
		  break;
		}
	      if (tresp.status)
		{
		  TRACEPRINTF (t, 1, this, "Error in ACK %d", tresp.status);
		  break;
		}
	      if (mod == 2)
		{
		  sno++;
		  if (sno > 0xff)
		    sno = 0;
		  pth_sem_dec (&insignal);
		  inqueue.get ();
		  if (noqueue)
		    {
		      mod = 3;
		      pth_event (PTH_EVENT_RTIME | PTH_MODE_REUSE, timeout,
				 pth_time (1, 0));
		    }
		  else
		    mod = 1;
		  retry = 0;
		  drop = 0;
		}
	      else
		TRACEPRINTF (t, 1, this, "Unexpected ACK");
	      break;
	    case CONNECTIONSTATE_RESPONSE:
	      if (parseEIBnet_ConnectionStateResponse (*p1, csresp))
		{
		  TRACEPRINTF (t, 1, this, "Invalid response");
		  break;
		}
	      if (csresp.channel != channel)
		{
		  TRACEPRINTF (t, 1, this, "Not for us");
		  break;
		}
	      if (csresp.status == 0)
		{
		  if (heartbeat > 0)
		    heartbeat--;
		  else
		    TRACEPRINTF (t, 1, this,
				 "Duplicate Connection State Response");
		}
	      else if (csresp.status == 0x21)
		{
		  TRACEPRINTF (t, 1, this,
			       "Connection State Response not connected");
		  dreq.caddr = saddr;
		  dreq.channel = channel;
		  p = dreq.ToPacket ();
		  sock->sendaddr = caddr;
		  sock->Send (p);
		  sock->recvall = 0;
		  mod = 0;
		}
	      else
		TRACEPRINTF (t, 1, this,
			     "Connection State Response Error %02x",
			     csresp.status);
	      break;
	    case DISCONNECT_REQUEST:
	      if (mod == 0)
		{
		  TRACEPRINTF (t, 1, this, "Not connected");
		  goto err;
		}
	      if (parseEIBnet_DisconnectRequest (*p1, dreq))
		{
		  TRACEPRINTF (t, 1, this, "Invalid request");
		  break;
		}
	      if (dreq.channel != channel)
		{
		  TRACEPRINTF (t, 1, this, "Not for us");
		  break;
		}
	      dresp.channel = channel;
	      dresp.status = 0;
	      p = dresp.ToPacket ();
	      t->TracePacket (1, this, "SendDis", p.data);
	      sock->sendaddr = caddr;
	      sock->Send (p);
	      sock->recvall = 0;
	      mod = 0;
	      break;
	    case DISCONNECT_RESPONSE:
	      if (mod == 0)
		{
		  TRACEPRINTF (t, 1, this, "Not connected");
		  break;
		}
	      if (parseEIBnet_DisconnectResponse (*p1, dresp))
		{
		  TRACEPRINTF (t, 1, this, "Invalid request");
		  break;
		}
	      if (dresp.channel != channel)
		{
		  TRACEPRINTF (t, 1, this, "Not for us");
		  break;
		}
	      mod = 0;
	      sock->recvall = 0;
	      TRACEPRINTF (t, 1, this, "Disconnected");
	      pth_event (PTH_EVENT_RTIME | PTH_MODE_REUSE, timeout1,
			 pth_time (0, 100));
	      break;
	    default:
	    err:
	      TRACEPRINTF (t, 1, this, "Recv unexpected service %04X",
			   p1->service);
	    }
	  delete p1;
	}
      if (mod == 2 && pth_event_status (timeout) == PTH_STATUS_OCCURRED)
	{
	  mod = 1;
	  retry++;
	  if (retry > 3)
	    {
	      TRACEPRINTF (t, 1, this, "Drop");
	      pth_sem_dec (&insignal);
	      inqueue.get ();
	      retry = 0;
	      drop++;
	      if (drop >= 3)
		{
		  dreq.caddr = saddr;
		  dreq.channel = channel;
		  p = dreq.ToPacket ();
		  sock->sendaddr = caddr;
		  sock->Send (p);
		  sock->recvall = 0;
		  mod = 0;
		}
	    }
	}
      if (mod == 3 && pth_event_status (timeout) == PTH_STATUS_OCCURRED)
	mod = 1;
      if (mod != 0 && pth_event_status (timeout1) == PTH_STATUS_OCCURRED)
	{
	  pth_event (PTH_EVENT_RTIME | PTH_MODE_REUSE, timeout1,
		     pth_time (30, 0));
	  if (heartbeat < 5)
	    {
	      csreq.caddr = saddr;
	      csreq.channel = channel;
	      p = csreq.ToPacket ();
	      TRACEPRINTF (t, 1, this, "Heartbeat");
	      sock->sendaddr = caddr;
	      sock->Send (p);
	      heartbeat++;
	    }
	  else
	    {
	      TRACEPRINTF (t, 1, this, "Disconnection because of errors");
	      dreq.caddr = saddr;
	      dreq.channel = channel;
	      p = dreq.ToPacket ();
	      sock->sendaddr = caddr;
	      if (channel != -1)
		sock->Send (p);
	      sock->recvall = 0;
	      mod = 0;
	    }
	}
      if (mod == 0 && pth_event_status (timeout1) == PTH_STATUS_OCCURRED)
	{
	  pth_event (PTH_EVENT_RTIME | PTH_MODE_REUSE, timeout1,
		     pth_time (10, 0));
	  creq.CRI[1] =
	    ((connect_busmonitor && support_busmonitor) ? 0x80 : 0x02);
	  p = creq.ToPacket ();
	  TRACEPRINTF (t, 1, this, "Connectretry");
	  sock->sendaddr = caddr;
	  sock->Send (p);
	}

      if (!inqueue.isempty () && inqueue.top ()() == 0)
	{
	  pth_sem_dec (&insignal);
	  inqueue.get ();
	  if (support_busmonitor)
	    {
	      dreq.caddr = saddr;
	      dreq.channel = channel;
	      p = dreq.ToPacket ();
	      sock->sendaddr = caddr;
	      sock->Send (p);
	    }
	}

      if (!inqueue.isempty () && mod == 1)
	{
	  treq.channel = channel;
	  treq.seqno = sno;
	  treq.CEMI = inqueue.top ();
	  p = treq.ToPacket ();
	  t->TracePacket (1, this, "SendTunnel", p.data);
	  sock->sendaddr = daddr;
	  sock->Send (p);
	  mod = 2;
	  pth_event (PTH_EVENT_RTIME | PTH_MODE_REUSE, timeout,
		     pth_time (1, 0));
	}
    }
out:
  dreq.caddr = saddr;
  dreq.channel = channel;
  p = dreq.ToPacket ();
  sock->sendaddr = caddr;
  if (channel != -1)
    sock->Send (p);

  pth_event_free (stop, PTH_FREE_THIS);
  pth_event_free (input, PTH_FREE_THIS);
  pth_event_free (timeout, PTH_FREE_THIS);
  pth_event_free (timeout1, PTH_FREE_THIS);
}