C++ (Cpp) net_msg_server_welcome Exemples

Exemple #1

Fichier : net_msg.c Projet : Roadster/Open-Vehicle-Monitoring-System

// Receive a NET msg from the OVMS server
void net_msg_in(char* msg)
  {
  int k;

  if (net_msg_serverok == 0)
    {
    if (memcmppgm2ram(msg, (char const rom far*)"MP-S 0 ", 7) == 0)
      {
      net_msg_server_welcome(msg+7);
      }
    return; // otherwise ignore it
    }

  // Ok, we've got an encrypted message waiting for work.
  // The following is a nasty hack because base64decode doesn't like incoming
  // messages of length divisible by 4, and is really expecting a CRLF
  // terminated string, so we give it one...
  strcatpgm2ram(msg,(char const rom far*)"\r\n");
  k = base64decode(msg,net_scratchpad);
  RC4_crypt(&rx_crypto1, &rx_crypto2, net_scratchpad, k);
  if (memcmppgm2ram(net_scratchpad, (char const rom far*)"MP-0 ", 5) == 0)
    {
    msg = net_scratchpad+5;
    switch (*msg)
      {
      case 'A': // PING
        strcpypgm2ram(net_scratchpad,(char const rom far*)"MP-0 a");
        if (net_msg_sendpending==0)
          {
          net_msg_start();
          net_msg_encode_puts();
          net_msg_send();
          }
        break;
      case 'Z': // PEER connection
        if (msg[1] != '0')
          {
          net_apps_connected = 1;
          if (net_msg_sendpending==0)
            {
            net_msg_start();
            net_msg_stat();
            net_msg_gps();
            net_msg_tpms();
            net_msg_firmware();
            net_msg_environment();
            net_msg_send();
            }
          }
        else
          {
          net_apps_connected = 0;
          }
        break;
      }
    }
  }

Exemple #2

Fichier : net_msg.c Projet : tomsax/Open-Vehicle-Monitoring-System

// Receive a NET msg from the OVMS server
void net_msg_in(char* msg)
  {
  int k;
  char s;

  if (net_msg_serverok == 0)
    {
    if (memcmppgm2ram(msg, (char const rom far*)"MP-S 0 ", 7) == 0)
      {
      net_msg_server_welcome(msg+7);
      net_granular_tick = 3590; // Nasty hack to force a status transmission in 10 seconds
      }
    return; // otherwise ignore it
    }

  // Ok, we've got an encrypted message waiting for work.
  // The following is a nasty hack because base64decode doesn't like incoming
  // messages of length divisible by 4, and is really expecting a CRLF
  // terminated string, so we give it one...
  CHECKPOINT(0x40)
  if (((strlen(msg)*4)/3) >= (NET_BUF_MAX-3))
    {
    // Quick exit to reset link if incoming message is too big
    net_state_enter(NET_STATE_DONETINIT);
    return;
    }
  strcatpgm2ram(msg,(char const rom far*)"\r\n");
  k = base64decode(msg,net_scratchpad);
  CHECKPOINT(0x41)
  RC4_crypt(&rx_crypto1, &rx_crypto2, net_scratchpad, k);
  if (memcmppgm2ram(net_scratchpad, (char const rom far*)"MP-0 ", 5) != 0)
    {
    net_state_enter(NET_STATE_DONETINIT);
    return;
    }
  msg = net_scratchpad+5;

  if ((*msg == 'E')&&(msg[1]=='M'))
    {
    // A paranoid-mode message from the server (or, more specifically, app)
    // The following is a nasty hack because base64decode doesn't like incoming
    // messages of length divisible by 4, and is really expecting a CRLF
    // terminated string, so we give it one...
    msg += 2; // Now pointing to the code just before encrypted paranoid message
    strcatpgm2ram(msg,(char const rom far*)"\r\n");
    k = base64decode(msg+1,net_msg_scratchpad+1);
    RC4_setup(&pm_crypto1, &pm_crypto2, pdigest, MD5_SIZE);
    for (k=0;k<1024;k++)
      {
      net_scratchpad[0] = 0;
      RC4_crypt(&pm_crypto1, &pm_crypto2, net_scratchpad, 1);
      }
    RC4_crypt(&pm_crypto1, &pm_crypto2, net_msg_scratchpad+1, k);
    net_msg_scratchpad[0] = *msg; // The code
    // The message is now out of paranoid mode...
    msg = net_msg_scratchpad;
    }

  CHECKPOINT(0x42)
  switch (*msg)
    {
    case 'A': // PING
      strcpypgm2ram(net_scratchpad,(char const rom far*)"MP-0 a");
      if (net_msg_sendpending==0)
        {
        net_msg_start();
        net_msg_encode_puts();
        net_msg_send();
        }
      break;
    case 'Z': // PEER connection
      if (msg[1] != '0')
        {
        net_apps_connected = 1;
        if (net_msg_sendpending==0)
          {
          net_msg_start();
          net_msgp_stat(0);
          net_msgp_gps(0);
          net_msgp_tpms(0);
          net_msgp_firmware(0);
          net_msgp_environment(0);
          net_msg_send();
          }
        }
      else
        {
        net_apps_connected = 0;
        }
      break;
    case 'h': // Historical data acknowledgement
#ifdef OVMS_LOGGINGMODULE
      logging_ack(atoi(msg+1));
#endif // #ifdef OVMS_LOGGINGMODULE
      break;
    case 'C': // COMMAND
      net_msg_cmd_in(msg+1);
      if (net_msg_sendpending==0) net_msg_cmd_do();
      break;
    }
  }