Difference between revisions of "Public.getoutagetimeinwindow (function)"
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== wikibot == | == wikibot == | ||
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CREATE OR REPLACE FUNCTION public.getoutagetimeinwindow(integer, character varying, integer, timestamp without time zone, timestamp without time zone) | CREATE OR REPLACE FUNCTION public.getoutagetimeinwindow(integer, character varying, integer, timestamp without time zone, timestamp without time zone) | ||
RETURNS double precision | RETURNS double precision | ||
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END; | END; | ||
$function$ | $function$ | ||
| − | + | |- | |
| + | | Select | ||
| + | | Table | ||
| + | | [[public.outages_(table)|public.outages]] | ||
| + | |||
| + | |- | ||
| + | | Execute | ||
| + | | Function | ||
| + | | [[public.getmanagedoutageforintfinwindow_(function)|public.getmanagedoutageforintfinwindow]] | ||
| + | |||
| + | |- | ||
| + | | Execute | ||
| + | | Function | ||
| + | | [[public.getmanagedoutagefornodeinwindow_(function)|public.getmanagedoutagefornodeinwindow]] | ||
| + | |||
| + | |- | ||
| + | | Execute | ||
| + | | Function | ||
| + | | [[public.getpercentavailabilityinwindow_(function)|public.getpercentavailabilityinwindow]] | ||
Revision as of 09:31, 11 February 2010
wikibot
CREATE OR REPLACE FUNCTION public.getoutagetimeinwindow(integer, character varying, integer, timestamp without time zone, timestamp without time zone)
RETURNS double precision LANGUAGE plpgsql
AS $function$
DECLARE
nid ALIAS FOR $1; ipid ALIAS FOR $2; sid ALIAS FOR $3; xtime ALIAS FOR $4; ytime ALIAS FOR $5; orec RECORD; lostTime timestamp without time zone; gainTime timestamp without time zone; downtime float8; zero CONSTANT float8 := 0.0; epochTime CONSTANT timestamp without time zone := to_timestamp('01 Jan 1970 00:00:00', 'DD Mon YYYY HH24:MI:SS');
BEGIN downtime = zero; FOR orec IN SELECT ifLostService,ifRegainedService
FROM outages WHERE (nodeID = nid AND ipAddr = ipid AND serviceID = sid AND ((ifRegainedService IS NULL AND ifLostService <= xtime) OR (ifRegainedService > ytime))) LOOP BEGIN gainTime := epochTime; lostTime := orec.ifLostService; IF orec.ifRegainedService IS NOT NULL THEN gainTime := orec.ifRegainedService; END IF; -- -- Find the appropriate records -- IF xtime > lostTime THEN -- -- for any outage to be in window of -- opportunity the lost time must ALWAYS be -- less that the x time. -- IF gainTime = epochTime THEN -- -- if the gain time is epochTime then the outage -- does not have an uptime. -- IF ytime > lostTime THEN downtime := downtime + EXTRACT(EPOCH FROM (xtime - ytime)); ELSE downtime := downtime + EXTRACT(EPOCH FROM (xtime - lostTime)); END IF; ELSE IF xtime > gainTime AND gainTime > ytime THEN -- -- regain time between x & y -- IF ytime > lostTime THEN downtime := downtime + EXTRACT (EPOCH FROM (gainTime - ytime)); ELSE downtime := downtime + EXTRACT (EPOCH FROM (gainTime - lostTime)); END IF; ELSE IF gainTime > xtime THEN -- -- regain time greater than x, lost less that x -- IF ytime > lostTime THEN downtime := downtime + EXTRACT (EPOCH FROM (xtime - ytime)); ELSE downtime := downtime + EXTRACT (EPOCH FROM (xtime - lostTime)); END IF; -- end gainTime > xtime END IF; -- end xtime > gainTime AND gainTime > ytime END IF; -- end gaintime == epochTime END IF; -- end xtime > lostTime END IF; END; END LOOP; RETURN downtime*1000.0;
END;
$function$ |- | Select | Table | public.outages
|- | Execute | Function | public.getmanagedoutageforintfinwindow
|- | Execute | Function | public.getmanagedoutagefornodeinwindow
|- | Execute | Function | public.getpercentavailabilityinwindow
