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replace session management routines with memcached

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This commit is contained in:
Jeremy Newman
2008-02-08 13:15:54 -06:00
parent 86ced92c4c
commit 7666f6d0da
7 changed files with 115 additions and 162 deletions
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65
cron/cleanup.php
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@@ -16,12 +16,6 @@ inactiveUserCheck();
/* check to see if there are orphaned versions in the database */
orphanVersionCheck();
/* check and purge any orphaned messages stuck in sessionMessages table */
orphanSessionMessagesCheck();
/* check and purge any expired sessions from the session_list table */
orphanSessionListCheck();
/* report error log entries to admins and flush the error log after doing so */
reportErrorLogEntries();
@@ -197,65 +191,6 @@ function orphanVersionCheck()
mail_appdb($sEmail, $sSubject, $sMsg);
}
/* this function checks to see if we have any orphaned session messages */
/* These orphaned messages are an indication that we've put a message into */
/* the system without displaying it and it becomes effectively lost forever */
/* so we'll want to purge them here after reporting how many we have */
function orphanSessionMessagesCheck()
{
global $sEmailSubject;
$iSessionMessageDayLimit = 1; /* the number of days a session message must be stuck before being purges */
/* get a count of the messages older than $iSessionMessageDayLimit */
$sQuery = "SELECT count(*) as cnt from sessionMessages where TO_DAYS(NOW()) - TO_DAYS(time) > ?";
$hResult = query_parameters($sQuery, $iSessionMessageDayLimit);
$oRow = query_fetch_object($hResult);
$iMessages = $oRow->cnt;
$sMsg = "Found ".$iMessages." that have been orphaned in the sessionMessages table for longer than ".$iSessionMessageDayLimit." days\r\n";
$sMsg.= " Purging these messages.\r\n";
$sSubject = $sEmailSubject."Orphaned session messages cleanup\r\n";
$sEmail = User::get_notify_email_address_list(null, null); /* get list admins */
if($sEmail)
mail_appdb($sEmail, $sSubject, $sMsg);
/* purge the messages older than $iSessionMessageDayLimit */
$sQuery = "DELETE from sessionMessages where TO_DAYS(NOW()) - TO_DAYS(time) > ?";
$hResult = query_parameters($sQuery, $iSessionMessageDayLimit);
}
/* this function checks to see if we have any orphaned sessions */
/* sessions need to be expired or the session_list table will grow */
/* by one row each time a user logs */
function orphanSessionListCheck()
{
global $sEmailSubject;
/* get a count of the messages older than $iSessionListDayLimit */
$sQuery = "SELECT count(*) as cnt from session_list where TO_DAYS(NOW()) - TO_DAYS(stamp) > ?";
$hResult = query_parameters($sQuery, SESSION_DAYS_TO_EXPIRE + 2);
$oRow = query_fetch_object($hResult);
$iMessages = $oRow->cnt;
$sMsg = "Found ".$iMessages." sessions that have expired after ".(SESSION_DAYS_TO_EXPIRE + 2)." days\r\n";
$sMsg.= " Purging these sessions.\r\n";
$sSubject = $sEmailSubject."Orphan sessions being expired\r\n";
$sEmail = User::get_notify_email_address_list(null, null); /* get list admins */
if($sEmail)
mail_appdb($sEmail, $sSubject, $sMsg);
/* purge the messages older than $iSessionMessageDayLimit */
$sQuery = "DELETE from session_list where TO_DAYS(NOW()) - TO_DAYS(stamp) > ?";
$hResult = query_parameters($sQuery, SESSION_DAYS_TO_EXPIRE + 2);
}
// report the database error log entries to the mailing list
function reportErrorLogEntries()
{