X-Git-Url: https://mop.ddnsfree.com/gitweb/?a=blobdiff_plain;f=web%2FObj%2Fbrisk.phh;h=135d2999b7b8ceaa50786bed2337db31ff04a744;hb=f6a4ad0c8fed8ed0d3bab5fba9842cf00576c028;hp=8663ca29a59a01101a9fee7758b51e039807fc56;hpb=6a7088b090b78123ccfaa3ba00e1ea81647b173c;p=brisk.git
diff --git a/web/Obj/brisk.phh b/web/Obj/brisk.phh
index 8663ca2..135d299 100644
--- a/web/Obj/brisk.phh
+++ b/web/Obj/brisk.phh
@@ -136,12 +136,12 @@ $mlang_brisk = array( 'btn_backstand'=> array( 'it' => 'torna in piedi',
$G_lng = langtolng($G_lang);
$G_all_points = array( 11,10,4,3,2, 0,0,0,0,0 );
-$G_brisk_version = "3.5.5";
+$G_brisk_version = "3.5.6";
/* MLANG: ALL THE INFO STRINGS IN brisk.phh */
-$root_wellarr = array( 'it' => array ( 'Brisk (Ver. '.$G_brisk_version.'), NOVITA\': quinta versione di test per la nuova gestione dei dati volatili, rivista gestione del ticker.',
+$root_wellarr = array( 'it' => array ( 'Brisk (Ver. '.$G_brisk_version.'), NOVITA\': (tecnica) utilizzo di locking tipo lettori/scrittori al posto del locking esclusivo generico.',
'Se vuoi iscriverti alla Mailing List, cliccala!' ),
- 'en' => array ( 'Brisk (Ver. '.$G_brisk_version.'), NEWS: third test version for the new volatile data management, ticker management refactored.',
+ 'en' => array ( 'Brisk (Ver. '.$G_brisk_version.'), NEWS: usage of reader/writer locking instead of generic exclusive locking.',
'If you want to subscribe our Mailing List, click it!' ) );
$G_room_help = array( 'it' => '
@@ -284,6 +284,67 @@ Copyright 2006-2009 Matteo Nasta
version '.$G_brisk_version.'
Copyright 2006-2009 Matteo Nastasi (aka mop)
');
+function mop_flush()
+{
+ flush();
+ ob_flush();
+}
+
+function file_lock($fname, $is_exclusive)
+{
+ if (($res = fopen($fname, "r+")) == FALSE) {
+ return (FALSE);
+ }
+
+ if (flock($res, ($is_exclusive ? LOCK_EX : LOCK_SH)) == FALSE) {
+ fclose($res);
+ return (FALSE);
+ }
+
+ return ($res);
+}
+
+function file_unlock($res)
+{
+ if ($res != FALSE) {
+ flock($res, LOCK_UN);
+ fclose($res);
+ }
+}
+
+function webservers_exceeded()
+{
+ return(file_exists(PROXY_PATH."/webservers_exceded.flag"));
+}
+
+function webservers_check()
+{
+ GLOBAL $G_webserver_max;
+
+ $ct = 0;
+
+ $dh = opendir('/proc');
+ while (($file = readdir($dh)) !== false) {
+ if (preg_match('/[0-9]+/', $file)) {
+ $cmdline = explode("\0", file_get_contents('/proc/'.$file.'/cmdline'));
+ // echo "xxx".$cmdline[0].$n;
+ if (strstr('/usr/sbin/apache2', $cmdline[0]) != FALSE) {
+ // echo "yyy".$cmdline[0].$n;
+ $ct++;
+ }
+ }
+ }
+ closedir($dh);
+
+ if ($ct >= $G_webserver_max) {
+ touch(PROXY_PATH."/webservers_exceded.flag");
+ }
+ else {
+ unlink(PROXY_PATH."/webservers_exceded.flag");
+ }
+ return ($ct);
+}
+
$escinp_from = array( "\"" );
$escinp_to = array( """ );
@@ -1084,6 +1145,7 @@ class Room {
return ($ismod);
}
+ webservers_check();
// FIXME BRISK4: include for each kind of table
require_once("${G_base}briskin5/Obj/briskin5.phh");
@@ -2092,7 +2154,7 @@ class Room {
log_auth("XXX", sprintf("TROVATO A QUESTO PUNTO [%d] sess [%s] name [%s]", $idx, $sess, $name_new));
- /* there is another user logged with your account and you and him have authenticated => che new user
+ /* there is another user logged with your account and you and him have authenticated => new user
get the session of the old user */
if ($ghost > -1 && $ghost_auth && ($authenticate != FALSE)) {
/* swap session */
@@ -2406,25 +2468,14 @@ class Room {
static function lock_data($is_exclusive)
{
- GLOBAL $sess;
-
- // echo "LOCK: ".FTOK_PATH."/main";
- // exit;
- if (($tok = @ftok(FTOK_PATH."/main", "B")) == -1) {
- return (FALSE);
- }
- // echo "FTOK ".$tok."
";
- if (($res = sem_get($tok, ($is_exclusive ? 1 : LOCK_SHARE_MAX) )) == FALSE) {
- return (FALSE);
- }
- if (sem_acquire($res)) {
+ if (($res = file_lock(FTOK_PATH."/main", $is_exclusive)) != FALSE) {
self::$delta_t = microtime(TRUE);
log_lock("LOCK room [".self::$delta_t."]");
-
+
return ($res);
}
- else
- return (FALSE);
+
+ return (FALSE);
}
static function unlock_data($res)
@@ -2433,7 +2484,7 @@ class Room {
log_lock("UNLOCK room [".(microtime(TRUE) - (self::$delta_t))."]");
- return (sem_release($res));
+ file_unlock($res);
}
@@ -3050,21 +3101,13 @@ class Warrant {
static function lock_data($is_exclusive)
{
- GLOBAL $sess;
-
- if (($tok = @ftok(FTOK_PATH."/warrant", "B")) == -1) {
- return (FALSE);
- }
- // echo "FTOK ".$tok."
";
- if (($res = sem_get($tok, ($is_exclusive ? 1 : LOCK_SHARE_MAX) )) == FALSE) {
- return (FALSE);
- }
- if (sem_acquire($res)) {
- self::$delta_t = microtime(TRUE);
- log_lock("LOCK warrant [".self::$delta_t."]");
- return ($res);
- }
- else
+ if (($res = file_lock(FTOK_PATH."/warrant", $is_exclusive)) != FALSE) {
+ self::$delta_t = microtime(TRUE);
+ log_lock("LOCK warrant [".self::$delta_t."]");
+
+ return ($res);
+ }
+
return (FALSE);
}
@@ -3074,7 +3117,7 @@ class Warrant {
log_lock("UNLOCK warrant [".(microtime(TRUE) - (self::$delta_t))."]");
- return (sem_release($res));
+ file_unlock($res);
}
}
@@ -3083,22 +3126,13 @@ class Poll {
static function lock_data($is_exclusive)
{
- GLOBAL $sess;
-
- if (($tok = @ftok(FTOK_PATH."/poll", "B")) == -1) {
- return (FALSE);
- }
- // echo "FTOK ".$tok."
";
- if (($res = sem_get($tok, ($is_exclusive ? 1 : LOCK_SHARE_MAX) )) == FALSE) {
- return (FALSE);
- }
- if (sem_acquire($res)) {
- self::$delta_t = microtime(TRUE);
- log_lock("LOCK poll [".self::$delta_t."]");
-
- return ($res);
- }
- else
+ if (($res = file_lock(FTOK_PATH."/poll", $is_exclusive)) != FALSE) {
+ self::$delta_t = microtime(TRUE);
+ log_lock("LOCK poll [".self::$delta_t."]");
+
+ return ($res);
+ }
+
return (FALSE);
}
@@ -3108,7 +3142,7 @@ class Poll {
log_lock("UNLOCK poll [".(microtime(TRUE) - (self::$delta_t))."]");
- return (sem_release($res));
+ file_unlock($res);
}
}