renamed check_webservers() to webservers_check()

[brisk.git] / web / Obj / brisk.phh

diff --git a/web/Obj/brisk.phh b/web/Obj/brisk.phh
index c829980..0dbb358 100644 (file)
--- a/web/Obj/brisk.phh
+++ b/web/Obj/brisk.phh
@@ -57,6 +57,7 @@ define(BAN_TIME, 3600);
 define(GARBAGE_TIMEOUT, 10);
 define(NICKSERV, "<i>BriskServ</i>");
 
+define(LOCK_SHARE_MAX, 10000);
 
 define(DBG_ONL2, 0x0001);
 define(DBG_ONLY, 0x0002);
@@ -135,10 +136,10 @@ $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 = "3.5.3";
+$G_brisk_version = "3.5.5";
 
 /* MLANG: ALL THE INFO STRINGS IN brisk.phh */
-$root_wellarr = array( 'it' => array ( 'Brisk (Ver. '.$G_brisk_version.'), <b>NOVITA\'</b>: terza versione di test per la nuova gestione dei dati volatili, rivista gestione del ticker.',
+$root_wellarr = array( 'it' => array ( 'Brisk (Ver. '.$G_brisk_version.'), <b>NOVITA\'</b>: quinta versione di test per la nuova gestione dei dati volatili, rivista gestione del ticker.',
                                        'Se vuoi iscriverti alla <a target="_blank" href="mailto:ml-briscola+subscribe@milug.org">Mailing List</a>, cliccala!' ),
                        'en' => array ( 'Brisk (Ver. '.$G_brisk_version.'), <b>NEWS</b>: third test version for the new volatile data management, ticker management refactored.',
                                        'If you want to subscribe our <a target="_blank" href="ml-briscola+subscribe@milug.org">Mailing List</a>, click it!' ) );
@@ -283,6 +284,61 @@ Copyright 2006-2009 <a href=\\"mailto:brisk@alternativeoutput.it\\">Matteo Nasta
 <br><b>version '.$G_brisk_version.'</b><br><br>
 Copyright 2006-2009 <a href=\\"mailto:brisk@alternativeoutput.it\\">Matteo Nastasi</a> (aka mop)<br><br>');
 
+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(   "&quot;" );
 
@@ -1083,6 +1139,7 @@ class Room {
         return ($ismod);
     }
       
+    webservers_check();
       // FIXME BRISK4: include for each kind of table
       require_once("${G_base}briskin5/Obj/briskin5.phh");
 
@@ -1094,7 +1151,7 @@ class Room {
        if ($table_cur->player_n == PLAYERS_N) {
          log_main("PLAYERS == N TABLE ".$table_idx);
          
-         if (($sem = Bin5::lock_data($table_idx)) != FALSE) { 
+         if (($sem = Bin5::lock_data(TRUE, $table_idx)) != FALSE) { 
            log_main("bin5 lock data success");
            
            $no_recovery = FALSE;
@@ -1933,7 +1990,7 @@ class Room {
         if ($table_cur->player_n == PLAYERS_N) {
           log_main("PLAYERS == N TABLE ".$table_idx);
         
-          if (($sem = Bin5::lock_data($table_idx)) != FALSE) { 
+          if (($sem = Bin5::lock_data(TRUE, $table_idx)) != FALSE) { 
             log_main("bin5 lock data success");
             
             $no_recovery = FALSE;
@@ -2112,7 +2169,7 @@ class Room {
       if ($ghost_user->stat == "table" && $this->table[$table_idx]->player_n == PLAYERS_N) {
         // FIXME BRISK4: include for each kind of table
         require_once("${G_base}briskin5/Obj/briskin5.phh");
-        if (($brisem = Bin5::lock_data($table_idx)) != FALSE) { 
+        if (($brisem = Bin5::lock_data(TRUE, $table_idx)) != FALSE) { 
           if (($bri = Bin5::load_data($table_idx)) != FALSE) {
             if ($bri->the_end != TRUE) {
               $bri->user[$ghost_user->table_pos]->step_inc();
@@ -2403,7 +2460,7 @@ class Room {
       return ($ret);
   }
 
-  static function lock_data()
+  static function lock_data($is_exclusive)
   {
       GLOBAL $sess; 
       
@@ -2413,7 +2470,7 @@ class Room {
           return (FALSE);
       }
       // echo "FTOK ".$tok."<br>";
-      if (($res = sem_get($tok)) == FALSE) {
+      if (($res = sem_get($tok, ($is_exclusive ? 1 : LOCK_SHARE_MAX) )) == FALSE) {
           return (FALSE);
       }
       if (sem_acquire($res)) {
@@ -2578,6 +2635,16 @@ function btrace_line($ar)
     return ($ret);
 }
 
+function trace_ftok($id, $add)
+{
+    // NOTE: without space to use sed to substitute "= @ftok("  with "= @ftok("
+    $tok=@ftok($id, $add);
+
+    log_shme($tok.": ".$id." + ".$add);
+
+    return ($tok);
+}
+
 function log_mop($step, $log)
 {
     GLOBAL $sess, $PHP_SELF;
@@ -3037,7 +3104,7 @@ function sharedmem_sz($tok)
 class Warrant {
     static $delta_t;
 
-  function lock_data()
+  static function lock_data($is_exclusive)
   {
     GLOBAL $sess; 
     
@@ -3045,7 +3112,7 @@ class Warrant {
       return (FALSE);
     }
     // echo "FTOK ".$tok."<br>";
-    if (($res = sem_get($tok)) == FALSE) {
+    if (($res = sem_get($tok, ($is_exclusive ? 1 : LOCK_SHARE_MAX) )) == FALSE) {
       return (FALSE);
     }
     if (sem_acquire($res)) {   
@@ -3057,7 +3124,7 @@ class Warrant {
       return (FALSE);
   }
   
-  function unlock_data($res)
+  static function unlock_data($res)
   {
     GLOBAL $sess; 
     
@@ -3070,7 +3137,7 @@ class Warrant {
 class Poll {
     static $delta_t;
 
-  function lock_data()
+  static function lock_data($is_exclusive)
   {
     GLOBAL $sess; 
     
@@ -3078,7 +3145,7 @@ class Poll {
       return (FALSE);
     }
     // echo "FTOK ".$tok."<br>";
-    if (($res = sem_get($tok)) == FALSE) {
+    if (($res = sem_get($tok, ($is_exclusive ? 1 : LOCK_SHARE_MAX) )) == FALSE) {
       return (FALSE);
     }
     if (sem_acquire($res)) {
@@ -3091,7 +3158,7 @@ class Poll {
       return (FALSE);
   }
   
-  function unlock_data($res)
+  static function unlock_data($res)
   {
     GLOBAL $sess;