Esempio n. 1
0
int
ErrorReporter::get_trace_no(){
  
  FILE *stream;
  unsigned int traceFileNo;
  
  char *file_name= NdbConfig_NextTraceFileName(globalData.ownId);
  NdbAutoPtr<char> tmp_aptr(file_name);

  /* 
   * Read last number from tracefile
   */  
  stream = fopen(file_name, "r+");
  if (stream == NULL){
    traceFileNo = 1;
  } else {
    char buf[255];
    fgets(buf, 255, stream);
    const int scan = sscanf(buf, "%u", &traceFileNo);
    if(scan != 1){
      traceFileNo = 1;
    }
    fclose(stream);
    traceFileNo++;
  }

  /**
   * Wrap tracefile no 
   */
  Uint32 tmp = globalEmulatorData.theConfiguration->maxNoOfErrorLogs();
  if (traceFileNo > tmp ) {
    traceFileNo = 1;
  }

  /**
   *  Save new number to the file
   */
  stream = fopen(file_name, "w");
  if(stream != NULL){
    fprintf(stream, "%u", traceFileNo);
    fclose(stream);
  }

  return traceFileNo;
}
Esempio n. 2
0
int
HostMatch::eval(const Iter& iter)
{
  const char* valc;
  
  if(iter.get(m_key, &valc) == 0)
  {
	  struct hostent *h1, *h2, copy1;
	  char *addr1;

	  h1 = gethostbyname(m_value.c_str());
	  if (h1 == NULL) {
		  return 0;
	  }

	  // gethostbyname returns a pointer to a static structure
	  // so we need to copy the results before doing the next call
	  memcpy(&copy1, h1, sizeof(struct hostent));
	  addr1 = (char *)malloc(copy1.h_length);
	  NdbAutoPtr<char> tmp_aptr(addr1);
	  memcpy(addr1, h1->h_addr, copy1.h_length);

	  h2 = gethostbyname(valc);
	  if (h2 == NULL) {
		  return 0;
	  }

	  if (copy1.h_addrtype != h2->h_addrtype) {
		  return 0;
	  }

	  if (copy1.h_length != h2->h_length) 
	  {
		  return 0;
	  }
	  
	  return 0 ==  memcmp(addr1, h2->h_addr, copy1.h_length);	  
  }

  return 0;
}
Esempio n. 3
0
bool
LocalConfig::parseString(const char * connectString, BaseString &err){
  char * for_strtok;
  char * copy = strdup(connectString);
  NdbAutoPtr<char> tmp_aptr(copy);

  for (char *tok = strtok_r(copy,";,",&for_strtok); tok != 0;
       tok = strtok_r(NULL, ";,", &for_strtok)) {
    if (tok[0] == '#') continue;

    if (!_ownNodeId) // only one nodeid definition allowed
      if (parseNodeId(tok))
	continue;
    if (parseHostName(tok))
      continue;
    if (parseFileName(tok))
      continue;
    
    err.assfmt("Unexpected entry: \"%s\"", tok);
    return false;
  }

  return true;
}
Esempio n. 4
0
bool
LocalConfig::init(const char *connectString,
		  const char *fileName)
{
  DBUG_ENTER("LocalConfig::init");
  /** 
   * Escalation:
   *  1. Check connectString
   *  2. Check given filename
   *  3. Check environment variable NDB_CONNECTSTRING
   *  4. Check Ndb.cfg in NDB_HOME
   *  5. Check Ndb.cfg in cwd
   *  6. Check defaultConnectString
   */
  
  _ownNodeId= 0;

  //1. Check connectString
  if(connectString != 0 && connectString[0] != 0){
    if(readConnectString(connectString, "connect string")){
      if (ids.size())
	DBUG_RETURN(true);
      // only nodeid given, continue to find hosts
    } else
      DBUG_RETURN(false);
  }

  //2. Check given filename
  if (fileName && strlen(fileName) > 0) {
    bool fopenError;
    if(readFile(fileName, fopenError)){
      DBUG_RETURN(true);
    }
    DBUG_RETURN(false);
  }

  //3. Check environment variable
  char buf[255];  
  if(NdbEnv_GetEnv("NDB_CONNECTSTRING", buf, sizeof(buf)) &&
     strlen(buf) != 0){
    if(readConnectString(buf, "NDB_CONNECTSTRING")){
      DBUG_RETURN(true);
    }
    DBUG_RETURN(false);
  }
  
  //4. Check Ndb.cfg in NDB_HOME
  {
    bool fopenError;
    char *buf2= NdbConfig_NdbCfgName(1 /*true*/);
    NdbAutoPtr<char> tmp_aptr(buf2);
    if(readFile(buf2, fopenError))
      DBUG_RETURN(true);
    if (!fopenError)
      DBUG_RETURN(false);
  }

  //5. Check Ndb.cfg in cwd
  {
    bool fopenError;
    char *buf2= NdbConfig_NdbCfgName(0 /*false*/);
    NdbAutoPtr<char> tmp_aptr(buf2);
    if(readFile(buf2, fopenError))
      DBUG_RETURN(true);
    if (!fopenError)
      DBUG_RETURN(false);
  }

  //7. Check
  {
    char buf2[256];
    BaseString::snprintf(buf2, sizeof(buf2), "host=localhost:%s", NDB_PORT);
    if(readConnectString(buf2, "default connect string"))
      DBUG_RETURN(true);
  }

  setError(0, "");

  DBUG_RETURN(false);
}
Esempio n. 5
0
void
ndbd_run(bool foreground, int report_fd,
         const char* connect_str, int force_nodeid, const char* bind_address,
         bool no_start, bool initial, bool initialstart,
         unsigned allocated_nodeid)
{
#ifdef _WIN32
  {
    char shutdown_event_name[32];
    _snprintf(shutdown_event_name, sizeof(shutdown_event_name),
              "ndbd_shutdown_%d", GetCurrentProcessId());

    g_shutdown_event = CreateEvent(NULL, TRUE, FALSE, shutdown_event_name);
    if (g_shutdown_event == NULL)
    {
      g_eventLogger->error("Failed to create shutdown event, error: %d",
                           GetLastError());
     ndbd_exit(1);
    }

    HANDLE thread = CreateThread(NULL, 0, &shutdown_thread, NULL, 0, NULL);
    if (thread == NULL)
    {
      g_eventLogger->error("couldn't start shutdown thread, error: %d",
                           GetLastError());
      ndbd_exit(1);
    }
  }
#endif

  if (foreground)
    g_eventLogger->info("Ndb started in foreground");

  if (report_fd)
  {
    g_eventLogger->debug("Opening report stream on fd: %d", report_fd);
    // Open a stream for sending extra status to angel
    if (!(angel_info_w = fdopen(report_fd, "w")))
    {
      g_eventLogger->error("Failed to open stream for reporting "
                           "to angel, error: %d (%s)", errno, strerror(errno));
      ndbd_exit(-1);
    }
  }
  else
  {
    // No reporting requested, open /dev/null
    const char* dev_null = IF_WIN("nul", "/dev/null");
    if (!(angel_info_w = fopen(dev_null, "w")))
    {
      g_eventLogger->error("Failed to open stream for reporting to "
                           "'%s', error: %d (%s)", dev_null, errno,
                           strerror(errno));
      ndbd_exit(-1);
    }
  }

  globalEmulatorData.create();

  Configuration* theConfig = globalEmulatorData.theConfiguration;
  if(!theConfig->init(no_start, initial, initialstart))
  {
    g_eventLogger->error("Failed to init Configuration");
    ndbd_exit(-1);
  }

  theConfig->fetch_configuration(connect_str, force_nodeid, bind_address,
                                 allocated_nodeid);

  if (NdbDir::chdir(NdbConfig_get_path(NULL)) != 0)
  {
    g_eventLogger->warning("Cannot change directory to '%s', error: %d",
                           NdbConfig_get_path(NULL), errno);
    // Ignore error
  }

  theConfig->setupConfiguration();

  if (get_multithreaded_config(globalEmulatorData))
    ndbd_exit(-1);

  systemInfo(* theConfig, * theConfig->m_logLevel);

  NdbThread* pWatchdog = globalEmulatorData.theWatchDog->doStart();

  {
    /*
     * Memory allocation can take a long time for large memory.
     *
     * So we want the watchdog to monitor the process of initial allocation.
     */
    Uint32 watchCounter;
    watchCounter = 9;           //  Means "doing allocation"
    globalEmulatorData.theWatchDog->registerWatchedThread(&watchCounter, 0);
    if (init_global_memory_manager(globalEmulatorData, &watchCounter))
      ndbd_exit(1);
    globalEmulatorData.theWatchDog->unregisterWatchedThread(0);
  }

  globalEmulatorData.theThreadConfig->init();

#ifdef VM_TRACE
  // Create a signal logger before block constructors
  char *buf= NdbConfig_SignalLogFileName(globalData.ownId);
  NdbAutoPtr<char> tmp_aptr(buf);
  FILE * signalLog = fopen(buf, "a");
  globalSignalLoggers.setOwnNodeId(globalData.ownId);
  globalSignalLoggers.setOutputStream(signalLog);
#if 1 // to log startup
  { const char* p = NdbEnv_GetEnv("NDB_SIGNAL_LOG", (char*)0, 0);
    if (p != 0) {
      char buf[200];
      BaseString::snprintf(buf, sizeof(buf), "BLOCK=%s", p);
      for (char* q = buf; *q != 0; q++) *q = toupper(toascii(*q));
      globalSignalLoggers.log(SignalLoggerManager::LogInOut, buf);
      globalData.testOn = 1;
      assert(signalLog != 0);
      fprintf(signalLog, "START\n");
      fflush(signalLog);
    }
  }
#endif
#endif

  // Load blocks (both main and workers)
  globalEmulatorData.theSimBlockList->load(globalEmulatorData);

  // Set thread concurrency for Solaris' light weight processes
  int status;
  status = NdbThread_SetConcurrencyLevel(30);
  assert(status == 0);

  catchsigs(foreground);

  /**
   * Do startup
   */
  switch(globalData.theRestartFlag){
  case initial_state:
    globalEmulatorData.theThreadConfig->doStart(NodeState::SL_CMVMI);
    break;
  case perform_start:
    globalEmulatorData.theThreadConfig->doStart(NodeState::SL_CMVMI);
    globalEmulatorData.theThreadConfig->doStart(NodeState::SL_STARTING);
    break;
  default:
    assert("Illegal state globalData.theRestartFlag" == 0);
  }

  globalTransporterRegistry.startSending();
  globalTransporterRegistry.startReceiving();
  if (!globalTransporterRegistry.start_service(*globalEmulatorData.m_socket_server)){
    ndbout_c("globalTransporterRegistry.start_service() failed");
    ndbd_exit(-1);
  }

  // Re-use the mgm handle as a transporter
  if(!globalTransporterRegistry.connect_client(
		 theConfig->get_config_retriever()->get_mgmHandlePtr()))
      ERROR_SET(fatal, NDBD_EXIT_CONNECTION_SETUP_FAILED,
                "Failed to convert mgm connection to a transporter",
                __FILE__);

  NdbThread* pTrp = globalTransporterRegistry.start_clients();
  if (pTrp == 0)
  {
    ndbout_c("globalTransporterRegistry.start_clients() failed");
    ndbd_exit(-1);
  }

  NdbThread* pSockServ = globalEmulatorData.m_socket_server->startServer();

  globalEmulatorData.theConfiguration->addThread(pTrp, SocketClientThread);
  globalEmulatorData.theConfiguration->addThread(pWatchdog, WatchDogThread);
  globalEmulatorData.theConfiguration->addThread(pSockServ, SocketServerThread);

  //  theConfig->closeConfiguration();
  {
    NdbThread *pThis = NdbThread_CreateObject(0);
    Uint32 inx = globalEmulatorData.theConfiguration->addThread(pThis,
                                                                MainThread);
    globalEmulatorData.theThreadConfig->ipControlLoop(pThis, inx);
    globalEmulatorData.theConfiguration->removeThreadId(inx);
  }
  NdbShutdown(0, NST_Normal);

  ndbd_exit(0);
}