C++ (Cpp) update_svr_wgt Examples

Example #1

File: ipwrapper.c Project: F191919/keepalived

/* Set a realserver IPVS rules */
static int
init_service_rs(virtual_server_t * vs)
{
	element e;
	real_server_t *rs;

	if (LIST_ISEMPTY(vs->rs)) {
		log_message(LOG_WARNING, "VS [%s] has no configured RS! Skipping RS activation."
				       , FMT_VS(vs));
		return 1;
	}

	for (e = LIST_HEAD(vs->rs); e; ELEMENT_NEXT(e)) {
		rs = ELEMENT_DATA(e);

		if (rs->reloaded) {
			if (rs->iweight != rs->pweight)
				update_svr_wgt(rs->iweight, vs, rs, 0);
			/* Do not re-add failed RS instantly on reload */
			continue;
		}
		/* In alpha mode, be pessimistic (or realistic?) and don't
		 * add real servers into the VS pool. They will get there
		 * later upon healthchecks recovery (if ever).
		 */
		if (!vs->alpha && !ISALIVE(rs)) {
			ipvs_cmd(LVS_CMD_ADD_DEST, vs, rs);
			SET_ALIVE(rs);
		}
	}

	return 1;
}

Example #2

File: check_misc.c Project: Cotendo/keepalived

int
misc_check_child_thread(thread * thread_obj)
{
	int wait_status;
	checker *checker_obj;
	misc_checker *misc_chk;

	checker_obj = THREAD_ARG(thread_obj);
	misc_chk = CHECKER_ARG(checker_obj);

	if (thread_obj->type == THREAD_CHILD_TIMEOUT) {
		pid_t pid;

		pid = THREAD_CHILD_PID(thread_obj);

		/* The child hasn't responded. Kill it off. */
		if (svr_checker_up(checker_obj->id, checker_obj->rs)) {
			log_message(LOG_INFO, "Misc check to [%s] for [%s] timed out",
			       inet_ntop2(CHECKER_RIP(checker_obj)),
			       misc_chk->path);
			smtp_alert(checker_obj->rs, NULL, NULL,
				   "DOWN",
				   "=> MISC CHECK script timeout on service <=");
			update_svr_checker_state(DOWN, checker_obj->id
						     , checker_obj->vs
						     , checker_obj->rs);
		}

		kill(pid, SIGTERM);
		thread_add_child(thread_obj->master, misc_check_child_timeout_thread,
				 checker_obj, pid, 2);
		return 0;
	}

	wait_status = THREAD_CHILD_STATUS(thread_obj);

	if (WIFEXITED(wait_status)) {
		int status;
		status = WEXITSTATUS(wait_status);
		if (status == 0 ||
                    (misc_chk->dynamic == 1 && status >= 2 && status <= 255)) {
			/*
			 * The actual weight set when using misc_dynamic is two less than
			 * the exit status returned.  Effective range is 0..253.
			 * Catch legacy case of status being 0 but misc_dynamic being set.
			 */
			if (misc_chk->dynamic == 1 && status != 0)
				update_svr_wgt(status - 2, checker_obj->vs, checker_obj->rs);

			/* everything is good */
			if (!svr_checker_up(checker_obj->id, checker_obj->rs)) {
				log_message(LOG_INFO, "Misc check to [%s] for [%s] success.",
				       inet_ntop2(CHECKER_RIP(checker_obj)),
				       misc_chk->path);
				smtp_alert(checker_obj->rs, NULL, NULL,
					   "UP",
					   "=> MISC CHECK succeed on service <=");
				update_svr_checker_state(UP, checker_obj->id
							   , checker_obj->vs
							   , checker_obj->rs);
			}
		} else {
			if (svr_checker_up(checker_obj->id, checker_obj->rs)) {
				log_message(LOG_INFO, "Misc check to [%s] for [%s] failed.",
				       inet_ntop2(CHECKER_RIP(checker_obj)),
				       misc_chk->path);
				smtp_alert(checker_obj->rs, NULL, NULL,
					   "DOWN",
					   "=> MISC CHECK failed on service <=");
				update_svr_checker_state(DOWN, checker_obj->id
							     , checker_obj->vs
							     , checker_obj->rs);
			}
		}
	}

	return 0;
}