Difference between revisions of "Public.getoutagetimeinwindow (function)"
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== wikibot == | == wikibot == | ||
| + | |||
| + | {| border="1" cellpadding="5" cellspacing="0" style="border-collapse:collapse" | ||
| + | |- | ||
| + | | '''Function | ||
| + | | public.getoutagetimeinwindow | ||
| + | |- | ||
| + | |} | ||
| + | |||
| + | |||
| + | === Source === | ||
| + | <pre> | ||
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 | ||
| Line 81: | Line 92: | ||
END; | END; | ||
$function$ | $function$ | ||
| + | </pre> | ||
| + | |||
| + | === References === | ||
| + | {| border="1" cellpadding="5" cellspacing="0" style="border-collapse:collapse" | ||
| + | |- style="background:silver" | ||
| + | | '''Dependency Type | ||
| + | | '''Object Type | ||
| + | | '''Referenced Object | ||
| + | |||
|- | |- | ||
| Select | | Select | ||
| Table | | Table | ||
| [[public.outages_(table)|public.outages]] | | [[public.outages_(table)|public.outages]] | ||
| + | |||
| + | |} | ||
| + | |||
| + | === Dependencies === | ||
| + | {| border="1" cellpadding="5" cellspacing="0" style="border-collapse:collapse" | ||
| + | |- style="background:silver" | ||
| + | | '''Reference Type | ||
| + | | '''Object Type | ||
| + | | '''Referencing Object | ||
|- | |- | ||
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| Function | | Function | ||
| [[public.getpercentavailabilityinwindow_(function)|public.getpercentavailabilityinwindow]] | | [[public.getpercentavailabilityinwindow_(function)|public.getpercentavailabilityinwindow]] | ||
| + | |||
| + | |} | ||
Revision as of 08:37, 11 February 2010
wikibot
| Function | public.getoutagetimeinwindow |
Source
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;
$function$
References
| Dependency Type | Object Type | Referenced Object |
| Select | Table | public.outages |
Dependencies
| Reference Type | Object Type | Referencing Object |
| Execute | Function | public.getmanagedoutageforintfinwindow |
| Execute | Function | public.getmanagedoutagefornodeinwindow |
| Execute | Function | public.getpercentavailabilityinwindow |
