C++ (Cpp) is_parent_alive Exemples

Exemple #1

Fichier : wd_lifecheck.c Projet : CHINA-JD/prestogres

static void
check_pgpool_status_by_hb(void)
{
	int cnt;
	WdInfo *p = WD_List;
	struct timeval tv;

	gettimeofday(&tv, NULL);

	cnt = 0;
	while (p->status != WD_END)
	{
		ereport(DEBUG1,
			(errmsg("watchdog life checking by heartbeat"),
				errdetail("checking pgpool %d (%s:%d)",
					   cnt, p->hostname, p->pgpool_port)));

		/* about myself */
		if (p == WD_MYSELF)
		{
			/* parent is dead so it's orphan.... */
			if (is_parent_alive() == WD_NG && WD_MYSELF->status != WD_DOWN)
			{
				ereport(LOG,
					(errmsg("checking pgpool status by heartbeat"),
						errdetail("lifecheck failed. pgpool %d (%s:%d) seems not to be working",
							   cnt, p->hostname, p->pgpool_port)));

				wd_set_myself(&tv, WD_DOWN);
				wd_notice_server_down();
			}
			/* otherwise, the parent would take care of children. */
			else
			{
				ereport(DEBUG1,
					(errmsg("watchdog life checking by heartbeat"),
						 errdetail("OK; status %d", p->status)));
			}
		}

		/*  about other pgpools, check the latest heartbeat. */
		else
		{
			if (p->status == WD_DOWN)
			{
				ereport(LOG,
					(errmsg("checking pgpool status by heartbeat"),
						 errdetail("pgpool: %d at \"%s:%d\" status is down",
								   cnt, p->hostname, p->pgpool_port)));

			}
			else if (wd_check_heartbeat(p) == WD_NG)
			{
				ereport(DEBUG1,
						(errmsg("checking pgpool status by heartbeat"),
						 errdetail("NG; status %d", p->status)));

				ereport(LOG,
					(errmsg("checking pgpool status by heartbeat"),
						 errdetail("lifecheck failed. pgpool: %d at \"%s:%d\" seems not to be working",
								   cnt, p->hostname, p->pgpool_port)));

				if (p->status != WD_DOWN)
					pgpool_down(p);
			}
			else
			{
				ereport(DEBUG1,
					(errmsg("checking pgpool status by heartbeat"),
						 errdetail("OK; status %d", p->status)));
			}
		}

		p++;
		cnt++;
		if (cnt >= MAX_WATCHDOG_NUM)
		{
			ereport(WARNING,
					(errmsg("checking pgpool status by heartbeat, pgpool num is out of range:%d",cnt)));
			break;
		}
	}
}

Exemple #2

Fichier : wd_lifecheck.c Projet : Randalthor80/pgpool2

static void
check_pgpool_status_by_hb(void)
{
	int cnt;
	WdInfo * p = WD_List;
	struct timeval tv;

	gettimeofday(&tv, NULL);

	cnt = 0;
	while (p->status != WD_END)
	{
		pool_debug("check_pgpool_status_by_hb: checking pgpool %d (%s:%d)",
		           cnt, p->hostname, p->pgpool_port);

		/* about myself */
		if (p == WD_MYSELF)
		{
			/* parent is dead so it's orphan.... */
			if (is_parent_alive() == WD_NG && WD_MYSELF->status != WD_DOWN)
			{
				pool_debug("check_pgpool_status_by_hb: NG; the main pgpool process does't exist.");
				pool_log("check_pgpool_status_by_hb: lifecheck failed. pgpool %d (%s:%d) seems not to be working",
		                 cnt, p->hostname, p->pgpool_port);
				wd_set_myself(&tv, WD_DOWN);
				wd_notice_server_down();
			}
			/* otherwise, the parent would take care of children. */
			else
			{
				pool_debug("check_pgpool_status_by_hb: OK; status %d", p->status);
			}
		}

		/*  about other pgpools, check the latest heartbeat. */
		else
		{
			if (p->status == WD_DOWN)
			{
				pool_log("check_pgpool_status_by_hb: pgpool %d (%s:%d) is in down status",
		                 cnt, p->hostname, p->pgpool_port);
			}
			else if (wd_check_heartbeat(p) == WD_NG)
			{
				pool_debug("check_pgpool_status_by_hb: NG; status %d", p->status);

				pool_log("check_pgpool_status_by_hb: lifecheck failed. pgpool %d (%s:%d) seems not to be working",
		                 cnt, p->hostname, p->pgpool_port);

				if (p->status != WD_DOWN)
					pgpool_down(p);
			}
			else
			{
				pool_debug("check_pgpool_status_by_hb: OK; status %d", p->status);
			}
		}

		p++;
		cnt++;
		if (cnt >= MAX_WATCHDOG_NUM)
		{
			pool_error("check_pgpool_status_by_hb: pgpool num is out of range(%d)",cnt);
			break;
		}
	}
}