C++ zlog函数代码示例

/* BGP keepalive fire ! */
static int
bgp_keepalive_timer (struct thread *thread)
{
  struct peer *peer;

  peer = THREAD_ARG (thread);
  peer->t_keepalive = NULL;

  if (BGP_DEBUG (fsm, FSM))
    zlog (peer->log, LOG_DEBUG,
	  "%s [FSM] Timer (keepalive timer expire)",
	  peer->host__item);

  THREAD_VAL (thread) = KeepAlive_timer_expired;
  bgp_event (thread); /* bgp_event unlocks peer */

  return 0;
}

/* BGP holdtime timer. */
static int
bgp_holdtime_timer (struct thread *thread)
{
  struct peer *peer;

  peer = THREAD_ARG (thread);
  peer->t_holdtime = NULL;

  if (BGP_DEBUG (fsm, FSM))
    zlog (peer->log, LOG_DEBUG,
	  "%s [FSM] Timer (holdtime timer expire)",
	  peer->host);

  THREAD_VAL (thread) = Hold_Timer_expired;
  bgp_event (thread);

  return 0;
}

/* Bind socket to specified address. */
int
sockunion_bind (int sock, union sockunion *su, unsigned short port, 
		union sockunion *su_addr)
{
  int size = 0;
  int ret;

  if (su->sa.sa_family == AF_INET)
    {
      size = sizeof (struct sockaddr_in);
      su->sin.sin_port = htons (port);
#ifdef HAVE_SIN_LEN
      su->sin.sin_len = size;
#endif /* HAVE_SIN_LEN */
      if (su_addr == NULL)
	su->sin.sin_addr.s_addr = htonl (INADDR_ANY);
    }
#ifdef HAVE_IPV6
  else if (su->sa.sa_family == AF_INET6)
    {
      size = sizeof (struct sockaddr_in6);
      su->sin6.sin6_port = htons (port);
#ifdef SIN6_LEN
      su->sin6.sin6_len = size;
#endif /* SIN6_LEN */
      if (su_addr == NULL)
	{
#if defined(LINUX_IPV6) || defined(NRL)
	  memset (&su->sin6.sin6_addr, 0, sizeof (struct in6_addr));
#else
	  su->sin6.sin6_addr = in6addr_any;
#endif /* LINUX_IPV6 */
	}
    }
#endif /* HAVE_IPV6 */
  

  ret = bind (sock, (struct sockaddr *)su, size);
#ifdef FOX_RIP_DEBUG
  if (ret < 0)
    zlog (NULL, LOG_WARNING, "can't bind socket : %s", strerror (errno));
#endif /* FOX_RIP_DEBUG */
  return ret;
}

bool ZoneServer::SetZone(uint32 iZoneID, uint32 iInstanceID, bool iStaticZone) {
	BootingUp = false;
	
	const char* zn = MakeLowerString(database.GetZoneName(iZoneID));
	char*	longname;

	if (iZoneID)
		zlog(WORLD__ZONE,"Setting to '%s' (%d:%d)%s",(zn) ? zn : "",iZoneID, iInstanceID, 
			iStaticZone ? " (Static)" : "");

	zoneID = iZoneID;
	instanceID = iInstanceID;
	if(iZoneID!=0)
		oldZoneID = iZoneID;
	if (zoneID == 0) {
		client_list.CLERemoveZSRef(this);
		pNumPlayers = 0;
		LSSleepUpdate(GetPrevZoneID());
	}

	staticzone = iStaticZone;

	if (zn)
	{
		strn0cpy(zone_name, zn, sizeof(zone_name));
		if( database.GetZoneLongName( (char*)zone_name, &longname, NULL, NULL, NULL, NULL, NULL, NULL ) )
		{
			strn0cpy(long_name, longname, sizeof(long_name));
			safe_delete_array( longname );
		}
		else
			strcpy(long_name, "");
	}
	else
	{
		strcpy(zone_name, "");
		strcpy(long_name, "");
	}	

	client_list.ZoneBootup(this);
	ls_zboot.Start();

	return true;
}

/* Join to the RIP version 2 multicast group. */
static int
ipv4_multicast_join (int sock, 
		     struct in_addr group, 
		     struct in_addr ifa,
		     unsigned int ifindex)
{
  int ret;

  ret = setsockopt_ipv4_multicast (sock,
				   IP_ADD_MEMBERSHIP, 
				   group.s_addr, 
				   ifindex); 

  if (ret < 0) 
    zlog (NULL, LOG_INFO, "can't setsockopt IP_ADD_MEMBERSHIP %s",
	  safe_strerror (errno));

  return ret;
}

void fpm_request_finished() /* {{{ */
{
	struct fpm_scoreboard_proc_s *proc;
	struct timeval now;

	fpm_clock_get(&now);

	proc = fpm_scoreboard_proc_acquire(NULL, -1, 0);
	if (proc == NULL) {
		zlog(ZLOG_WARNING, "failed to acquire proc scoreboard");
		return;
	}

	proc->request_stage = FPM_REQUEST_FINISHED;
	proc->tv = now;
	memset(&proc->accepted, 0, sizeof(proc->accepted));
	proc->accepted_epoch = 0;
	fpm_scoreboard_proc_release(proc);
}

int fpm_trace_ready(pid_t pid)
{
	kern_return_t kr;

	kr = task_for_pid(mach_task_self(), pid, &target);

	if (kr != KERN_SUCCESS) {
		char *msg = "";

		if (kr == KERN_FAILURE) {
			msg = " It seems that master process does not have enough privileges to trace processes.";
		}

		zlog(ZLOG_STUFF, ZLOG_ERROR, "task_for_pid() failed: %s (%d)%s", mach_error_string(kr), kr, msg);
		return -1;
	}

	return 0;
}

/* After TCP connection is established.  Get remote address and port. */
union sockunion *
sockunion_getpeername (int fd)
{
  int ret;
  socklen_t len;
  union
  {
    struct sockaddr sa;
    struct sockaddr_in sin;
#ifdef HAVE_IPV6
    struct sockaddr_in6 sin6;
#endif /* HAVE_IPV6 */
    char tmp_buffer[128];
  } name;
  union sockunion *su;

  memset (&name, 0, sizeof name);
  len = sizeof name;
  ret = getpeername (fd, (struct sockaddr *)&name, &len);
  if (ret < 0)
    {
      zlog (NULL, LOG_WARNING, "Can't get remote address and port: %s",
	    safe_strerror (errno));
      return NULL;
    }

  if (name.sa.sa_family == AF_INET)
    {
      su = XCALLOC (MTYPE_SOCKUNION, sizeof (union sockunion));
      memcpy (su, &name, sizeof (struct sockaddr_in));
      return su;
    }
#ifdef HAVE_IPV6
  if (name.sa.sa_family == AF_INET6)
    {
      su = XCALLOC (MTYPE_SOCKUNION, sizeof (union sockunion));
      memcpy (su, &name, sizeof (struct sockaddr_in6));
      sockunion_normalise_mapped (su);
      return su;
    }
#endif /* HAVE_IPV6 */
  return NULL;
}

int ospf_hello_timer(struct thread *thread)
{
	struct ospf_interface *oi;

	oi = THREAD_ARG(thread);
	oi->t_hello = NULL;

	if (IS_DEBUG_OSPF(ism, ISM_TIMERS))
		zlog(NULL, LOG_DEBUG, "ISM[%s]: Timer (Hello timer expire)",
		     IF_NAME(oi));

	/* Sending hello packet. */
	ospf_hello_send(oi);

	/* Hello timer set. */
	OSPF_HELLO_TIMER_ON(oi);

	return 0;
}

/*
 * Remove a FD from the fd set
 */
static int fpm_event_poll_remove(struct fpm_event_s *ev) /* {{{ */
{
	int i;

	/* do we have a direct access */
	if (ev->index >= 0 && ev->index < npollfds && pollfds[ev->index].fd == ev->fd) {
		/* remember this slot as free */
		next_free_slot = ev->index;

		/* clear event in pollfds */
		pollfds[ev->index].fd = -1;
		pollfds[ev->index].events = 0;

		/* mark the event as not registered */
		ev->index = -1;

		return 0;
	}

	/* let's search */
	for (i = 0; i < npollfds; i++) {

		if (pollfds[i].fd != ev->fd) {
			/* not found */
			continue;
		}

		/* remember this slot as free */
		next_free_slot = i;

		/* clear event in pollfds */
		pollfds[i].fd = -1;
		pollfds[i].events = 0;

		/* mark the event as not registered */
		ev->index = -1;

		return 0;
	}

	zlog(ZLOG_ERROR, "poll: unable to remove event: not found (fd=%d, index=%d)", ev->fd, ev->index);
	return -1;
}

/*
 * Set MD5 key for the socket, for the given IPv4 peer address.
 * If the password is NULL or zero-length, the option will be disabled.
 */
static int
bgp_md5_set_socket (int socket, union sockunion *su, const char *password)
{
  int ret = -1;
  int en = ENOSYS;
  
  assert (socket >= 0);
  
#if HAVE_DECL_TCP_MD5SIG  
  ret = sockopt_tcp_signature (socket, su, password);
  en  = errno;
#endif /* HAVE_TCP_MD5SIG */
  
  if (ret < 0)
    zlog (NULL, LOG_WARNING, "can't set TCP_MD5SIG option on socket %d: %s",
          socket, safe_strerror (en));

  return ret;
}

/* Hold timer expire.  This is error of BGP connection. So cut the
   peer and change to Idle status. */
static int
bgp_fsm_holdtime_expire (struct peer *peer)
{
  if (BGP_DEBUG (fsm, FSM))
    zlog (peer->log, LOG_DEBUG, "%s [FSM] Hold timer expire", peer->host);

  /* Send notify to remote peer. */
  bgp_notify_send (peer, BGP_NOTIFY_HOLD_ERR, 0);

  /* Sweep if it is temporary peer. */
  if (CHECK_FLAG (peer->sflags, PEER_STATUS_ACCEPT_PEER))
    {
      zlog_info ("%s [Event] Accepting BGP peer is deleted", peer->host);
      peer_delete (peer);
      return -1;
    }

  return 0;
}

/* BGP start timer.  This function set BGP_Start event to thread value
   and process event. */
static int
bgp_start_timer (struct thread *thread)
{
  struct peer *peer;

  peer = THREAD_ARG (thread);
  peer->t_start = NULL;

  UNSET_FLAG (peer->sflags, PEER_STATUS_CREATE_INIT);

  if (BGP_DEBUG (fsm, FSM))
    zlog (peer->log, LOG_DEBUG,
	  "%s [FSM] Timer (start timer expire).", peer->host);

  THREAD_VAL (thread) = BGP_Start;
  bgp_event (thread);

  return 0;
}

/* return 0 if it's not the request page
 * return 1 if ouput has been set)
 * *output unchanged: error (return 500)
 * *output changed: no error (return 200)
 */
int fpm_status_handle_status(char *uri, char *query_string, char **output, char **content_type) /* {{{ */
{
	struct fpm_status_s status;

	if (!fpm_status_uri || !uri) {
		return 0;
	}

	/* It's not the status page */
	if (strcmp(fpm_status_uri, uri)) {
		return 0;
	}

	if (!output || !content_type || !fpm_status_shm) {
		return 1;
	}

	if (!fpm_status_shm->mem) {
		return 1;
	}

	/* one shot operation */
	status = *(struct fpm_status_s *)fpm_status_shm->mem;

	if (status.idle < 0 || status.active < 0 || status.total < 0) {
		return 1;
	}

	if (query_string && strstr(query_string, "html")) {
		fpm_status_handle_status_html(&status, output, content_type);
	} else if (query_string && strstr(query_string, "json")) {
		fpm_status_handle_status_json(&status, output, content_type);
	} else {
		fpm_status_handle_status_txt(&status, output, content_type);
	}

	if (!*output || !content_type) {
		zlog(ZLOG_ERROR, "[pool %s] unable to allocate status ouput buffer", fpm_status_pool);
		return 1;
	}

	return 1;
}

void fpm_request_reading_headers() /* {{{ */
{
	struct fpm_scoreboard_proc_s *proc;

	struct timeval now;
	clock_t now_epoch;
#ifdef HAVE_TIMES
	struct tms cpu;
#endif

	fpm_clock_get(&now);
	now_epoch = time(NULL);
#ifdef HAVE_TIMES
	times(&cpu);
#endif

	proc = fpm_scoreboard_proc_acquire(NULL, -1, 0);
	if (proc == NULL) {
		zlog(ZLOG_WARNING, "failed to acquire proc scoreboard");
		return;
	}

	proc->request_stage = FPM_REQUEST_READING_HEADERS;
	proc->tv = now;
	proc->accepted = now;
	proc->accepted_epoch = now_epoch;
#ifdef HAVE_TIMES
	proc->cpu_accepted = cpu;
#endif
	proc->requests++;
	proc->request_uri[0] = '\0';
	proc->request_method[0] = '\0';
	proc->script_filename[0] = '\0';
	proc->query_string[0] = '\0';
	proc->query_string[0] = '\0';
	proc->auth_user[0] = '\0';
	proc->content_length = 0;
	fpm_scoreboard_proc_release(proc);

	/* idle--, active++, request++ */
	fpm_scoreboard_update(-1, 1, 0, 0, 1, 0, 0, FPM_SCOREBOARD_ACTION_INC, NULL);
}