X-Git-Url: https://mop.ddnsfree.com/gitweb/?a=blobdiff_plain;f=web%2FObj%2Fbrisk.phh;h=486fc28b31a65dce8deaca6cf2fd054965f87952;hb=7edf76e645812c232f8090b96b5a68a182ab96bc;hp=7fc7582051d07fc5df7815ccd8e4c97a574914c1;hpb=b1701059242cdb3cf52f6e08e1e8fe4ec635c1d4;p=brisk.git

diff --git a/web/Obj/brisk.phh b/web/Obj/brisk.phh
index 7fc7582..486fc28 100644
--- 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);
@@ -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();
@@ -2403,27 +2460,16 @@ class Room {
       return ($ret);
   }
 
-  static function lock_data()
+  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 ".$tok."<br>";
-      if (($res = sem_get($tok)) == FALSE) {
-          return (FALSE);
-      }
-      if (sem_acquire($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)
@@ -2432,7 +2478,7 @@ class Room {
     
     log_lock("UNLOCK room         [".(microtime(TRUE) - (self::$delta_t))."]");
 
-    return (sem_release($res));
+    file_unlock($res);
   }
 
 
@@ -3047,67 +3093,50 @@ function sharedmem_sz($tok)
 class Warrant {
     static $delta_t;
 
-  function lock_data()
+  static function lock_data($is_exclusive)
   {
-    GLOBAL $sess; 
-    
-    if (($tok = @ftok(FTOK_PATH."/warrant", "B")) == -1) {
-      return (FALSE);
-    }
-    // echo "FTOK ".$tok."<br>";
-    if (($res = sem_get($tok)) == FALSE) {
-      return (FALSE);
-    }
-    if (sem_acquire($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);
   }
   
-  function unlock_data($res)
+  static function unlock_data($res)
   {
     GLOBAL $sess; 
     
     log_lock("UNLOCK warrant      [".(microtime(TRUE) - (self::$delta_t))."]");
 
-    return (sem_release($res));
+    file_unlock($res);
   }
 }
 
 class Poll {
     static $delta_t;
 
-  function lock_data()
+  static function lock_data($is_exclusive)
   {
-    GLOBAL $sess; 
-    
-    if (($tok = @ftok(FTOK_PATH."/poll", "B")) == -1) {
-      return (FALSE);
-    }
-    // echo "FTOK ".$tok."<br>";
-    if (($res = sem_get($tok)) == FALSE) {
-      return (FALSE);
-    }
-    if (sem_acquire($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);
   }
   
-  function unlock_data($res)
+  static function unlock_data($res)
   {
     GLOBAL $sess; 
     
     log_lock("UNLOCK poll         [".(microtime(TRUE) - (self::$delta_t))."]");
     
-    return (sem_release($res));
+    file_unlock($res);
   }
 }