C++ EventLogger::warning方法代码示例

void Cmvmi::execSTTOR(Signal* signal)
{
  Uint32 theStartPhase  = signal->theData[1];

  jamEntry();
  if (theStartPhase == 1){
    jam();

    if(m_ctx.m_config.lockPagesInMainMemory() == 1)
    {
      int res = NdbMem_MemLockAll(0);
      if(res != 0){
	g_eventLogger.warning("Failed to memlock pages");
	warningEvent("Failed to memlock pages");
      }
    }
    
    sendSTTORRY(signal);
    return;
  } else if (theStartPhase == 3) {
    jam();
    globalData.activateSendPacked = 1;
    sendSTTORRY(signal);
  } else if (theStartPhase == 8){
    /*---------------------------------------------------*/
    /* Open com to API + REP nodes                       */
    /*---------------------------------------------------*/
    signal->theData[0] = 0; // no answer
    signal->theData[1] = 0; // no id
    signal->theData[2] = NodeInfo::API;
    execOPEN_COMREQ(signal);
    globalData.theStartLevel = NodeState::SL_STARTED;
    sendSTTORRY(signal);
  }
}

bool
Transporter::connect_client(NDB_SOCKET_TYPE sockfd) {

  if(m_connected)
    return true;

  if (sockfd == NDB_INVALID_SOCKET)
    return false;

  DBUG_ENTER("Transporter::connect_client");

  DBUG_PRINT("info",("port %d isMgmConnection=%d",m_s_port,isMgmConnection));

  SocketOutputStream s_output(sockfd);
  SocketInputStream s_input(sockfd);

  // send info about own id
  // send info about own transporter type

  s_output.println("%d %d", localNodeId, m_type);
  // get remote id
  int nodeId, remote_transporter_type= -1;

  char buf[256];
  if (s_input.gets(buf, 256) == 0) {
    NDB_CLOSE_SOCKET(sockfd);
    DBUG_RETURN(false);
  }

  int r= sscanf(buf, "%d %d", &nodeId, &remote_transporter_type);
  switch (r) {
  case 2:
    break;
  case 1:
    // we're running version prior to 4.1.9
    // ok, but with no checks on transporter configuration compatability
    break;
  default:
    NDB_CLOSE_SOCKET(sockfd);
    DBUG_RETURN(false);
  }

  DBUG_PRINT("info", ("nodeId=%d remote_transporter_type=%d",
		      nodeId, remote_transporter_type));

  if (remote_transporter_type != -1)
  {
    if (remote_transporter_type != m_type)
    {
      DBUG_PRINT("error", ("Transporter types mismatch this=%d remote=%d",
			   m_type, remote_transporter_type));
      NDB_CLOSE_SOCKET(sockfd);
      g_eventLogger.error("Incompatible configuration: transporter type "
			  "mismatch with node %d", nodeId);
      DBUG_RETURN(false);
    }
  }
  else if (m_type == tt_SHM_TRANSPORTER)
  {
    g_eventLogger.warning("Unable to verify transporter compatability with node %d", nodeId);
  }

  {
    struct sockaddr_in addr;
    SOCKET_SIZE_TYPE addrlen= sizeof(addr);
    getpeername(sockfd, (struct sockaddr*)&addr, &addrlen);
    m_connect_address= (&addr)->sin_addr;
  }

  bool res = connect_client_impl(sockfd);
  if(res){
    m_connected  = true;
    m_errorCount = 0;
  }
  DBUG_RETURN(res);
}

bool
TransporterRegistry::connect_server(NDB_SOCKET_TYPE sockfd)
{
  DBUG_ENTER("TransporterRegistry::connect_server");

  // read node id from client
  // read transporter type
  int nodeId, remote_transporter_type= -1;
  SocketInputStream s_input(sockfd);
  char buf[256];
  if (s_input.gets(buf, 256) == 0) {
    DBUG_PRINT("error", ("Could not get node id from client"));
    DBUG_RETURN(false);
  }
  int r= sscanf(buf, "%d %d", &nodeId, &remote_transporter_type);
  switch (r) {
  case 2:
    break;
  case 1:
    // we're running version prior to 4.1.9
    // ok, but with no checks on transporter configuration compatability
    break;
  default:
    DBUG_PRINT("error", ("Error in node id from client"));
    DBUG_RETURN(false);
  }

  DBUG_PRINT("info", ("nodeId=%d remote_transporter_type=%d",
		      nodeId,remote_transporter_type));

  //check that nodeid is valid and that there is an allocated transporter
  if ( nodeId < 0 || nodeId >= (int)maxTransporters) {
    DBUG_PRINT("error", ("Node id out of range from client"));
    DBUG_RETURN(false);
  }
  if (theTransporters[nodeId] == 0) {
      DBUG_PRINT("error", ("No transporter for this node id from client"));
      DBUG_RETURN(false);
  }

  //check that the transporter should be connected
  if (performStates[nodeId] != TransporterRegistry::CONNECTING) {
    DBUG_PRINT("error", ("Transporter in wrong state for this node id from client"));
    DBUG_RETURN(false);
  }

  Transporter *t= theTransporters[nodeId];

  // send info about own id (just as response to acknowledge connection)
  // send info on own transporter type
  SocketOutputStream s_output(sockfd);
  s_output.println("%d %d", t->getLocalNodeId(), t->m_type);

  if (remote_transporter_type != -1)
  {
    if (remote_transporter_type != t->m_type)
    {
      DBUG_PRINT("error", ("Transporter types mismatch this=%d remote=%d",
			   t->m_type, remote_transporter_type));
      g_eventLogger.error("Incompatible configuration: Transporter type "
			  "mismatch with node %d", nodeId);

      // wait for socket close for 1 second to let message arrive at client
      {
	fd_set a_set;
	FD_ZERO(&a_set);
	FD_SET(sockfd, &a_set);
	struct timeval timeout;
	timeout.tv_sec  = 1; timeout.tv_usec = 0;
	select(sockfd+1, &a_set, 0, 0, &timeout);
      }
      DBUG_RETURN(false);
    }
  }
  else if (t->m_type == tt_SHM_TRANSPORTER)
  {
    g_eventLogger.warning("Unable to verify transporter compatability with node %d", nodeId);
  }

  // setup transporter (transporter responsible for closing sockfd)
  t->connect_server(sockfd);

  DBUG_RETURN(true);
}

void 
WatchDog::run()
{
  unsigned int anIPValue, sleep_time;
  unsigned int oldIPValue = 0;
  unsigned int theIntervalCheck = theInterval;
  struct MicroSecondTimer start_time, last_time, now;
  NdbTick_getMicroTimer(&start_time);
  last_time = start_time;

  // WatchDog for the single threaded NDB
  while (!theStop)
  {
    sleep_time= 100;

    NdbSleep_MilliSleep(sleep_time);
    if(theStop)
      break;

    NdbTick_getMicroTimer(&now);
    if (NdbTick_getMicrosPassed(last_time, now)/1000 > sleep_time*2)
    {
      struct tms my_tms;
      times(&my_tms);
      g_eventLogger.info("Watchdog: User time: %llu  System time: %llu",
                         (Uint64)my_tms.tms_utime,
                         (Uint64)my_tms.tms_stime);
      g_eventLogger.warning("Watchdog: Warning overslept %u ms, expected %u ms.",
                            NdbTick_getMicrosPassed(last_time, now)/1000,
                            sleep_time);
    }
    last_time = now;

    // Verify that the IP thread is not stuck in a loop
    anIPValue = *theIPValue;
    if (anIPValue != 0)
    {
      oldIPValue = anIPValue;
      globalData.incrementWatchDogCounter(0);
      NdbTick_getMicroTimer(&start_time);
      theIntervalCheck = theInterval;
    }
    else
    {
      int warn = 1;
      Uint32 elapsed = NdbTick_getMicrosPassed(start_time, now)/1000;
      /*
        oldIPValue == 9 indicates malloc going on, this can take some time
        so only warn if we pass the watchdog interval
      */
      if (oldIPValue == 9)
        if (elapsed < theIntervalCheck)
          warn = 0;
        else
          theIntervalCheck += theInterval;

      if (warn)
      {
        const char *last_stuck_action = get_action(oldIPValue);
        g_eventLogger.warning("Ndb kernel is stuck in: %s", last_stuck_action);
        {
          struct tms my_tms;
          times(&my_tms);
          g_eventLogger.info("Watchdog: User time: %llu  System time: %llu",
                             (Uint64)my_tms.tms_utime,
                             (Uint64)my_tms.tms_stime);
        }
        if (elapsed > 3 * theInterval)
        {
          shutdownSystem(last_stuck_action);
        }
      }
    }
  }
  return;
}