User class moved into new file and added all methods needed to run stream
[brisk.git] / web / spush / brisk-spush.php
index 1f3d7e4..4113394 100755 (executable)
  * Suite 330, Boston, MA 02111-1307, USA.
  *
  * TODO
- *   problema con getpeer (HOSTADDR)
- *   setcookie (for tables only)
- *   keepalive
- *   chunked 
- *   index_rd.php porting
- *   index.php auth part
- *   generic var management from internet
+ *
+ *
+ *   - BUG: logout failed
+ *   - BUG: fast loop on stream index_rd_ifra page
+ *
+ *   - garbage management
+ *   - log_legal address fix
+ *   - from room to table
+ *   - from table to room
+ *   - index_wr other issues
+ *   - manage and test cross forwarder between table and room
+ *   - setcookie (for tables only)
+ *   - keepalive management
+ *
+ *   DONE/FROZEN - problema con getpeer (HOSTADDR)
+ *
+ *   DONE - chunked
+ *   DONE - bug: read from a not resource handle (already closed because a new socket substitute it)
+ *   DONE - partial write for normal page management
+ *   DONE - index_rd_ifra: last_clean issue
+ *   DONE - fwrite failed error management (select, buffer where store unsent data, and fwrite check and retry)
+ *   ABRT - index_wr.php::reload - reload is js-only function
+ *   DONE - bug: after restart index_rd.php receive from prev clients a lot of req
+ *   DONE - index_wr.php::chat
+ *   DONE - index_wr.php::exit
+ *   DONE - index_rd.php porting
+ *   DONE - generic var management from internet
+ *   DONE - index.php auth part
  */
 
 $G_base = "../";
 
 require_once("./sac-a-push.phh");
 require_once("./brisk-spush.phh");
+require_once($G_base."Obj/user.phh");
 require_once($G_base."Obj/brisk.phh");
 require_once($G_base."Obj/auth.phh");
 // require_once("../Obj/proxyscan.phh");
@@ -45,92 +67,7 @@ require_once($G_base."briskin5/Obj/briskin5.phh");
 
 define('SITE_PREFIX', '/brisk/');
 
-class SPUser {
-    var $id;
-    var $sess;
-    var $cnt;
-    var $sock;
-    
-    function SPUser($id)
-    {
-        $this->id = $id;
-        $this->cnt = -1;
-        $this->sock = NULL;
-    }
-
-    function enable($sock, $sess)
-    {
-        $this->sess = $sess;
-        $this->cnt = 0;
-        $this->sock = $sock;
-
-        return ($this->id);
-    }
-
-    function disable()
-    {
-        $this->cnt = -1;
-        $this->sock = NULL;
-    }
-
-    function is_enable()
-    {
-        return ($this->cnt < 0 ? FALSE : TRUE);
-    }
-
-    function sock_get()
-    {
-        return $this->sock;
-    }
-
-    function sock_set($sock)
-    {
-        $this->sock = $sock;
-    }
-
-    function id_get()
-    {
-        return $this->id;
-    }
-    
-    function sess_get()
-    {
-        return $this->sess;
-    }
-
-    function cnt_get()
-    {
-        return $this->cnt;
-    }
-
-    function cnt_inc()
-    {
-        return $this->cnt++;
-    }
-}
-
-function user_get_free($user_arr)
-{
-    foreach ($user_arr as $i => $user) {
-        if (!$user->is_enable()) {
-            return ($user);
-        }
-    }
-    return FALSE;
-}
-
-function user_get_sess($user_arr, $sess)
-{
-    foreach ($user_arr as $i => $user) {
-        printf("SESS: [%s]  cur: [%s]\n", $user->sess_get(), $sess);
-        if ($user->sess_get() == $sess) {
-            return ($user);
-        }
-    }
-    return FALSE;
-}
-
-function headers_render($header)
+function headers_render($header, $len)
 {
     
     $s = "";
@@ -144,18 +81,24 @@ function headers_render($header)
     foreach($header as $key => $value) {
         $s .= sprintf("%s: %s\r\n", $key, $value);
     }
-    $s .= "Mop: was/here\r\n";
+    if ($len == -1) {
+        $s .= "Cache-Control: no-cache, must-revalidate\r\n";
+        $s .= "Expires: Mon, 26 Jul 1997 05:00:00 GMT\r\n";
+        $s .= "Content-Encoding: chunked\r\n";
+        $s .= "Transfer-Encoding: chunked\r\n";
+    }
+    else if ($len > 0) {
+        $s .= sprintf("Content-Length: %d\r\n", $len);
+    }
     $s .= "\r\n";
 
     return ($s);
 }
 
-
 /*
  *  Caching system using ob php system to cache old style pages
  *  to a var and than send it with more calm
  */
-$G_headers = "";
 
 function shutta()
 {
@@ -167,281 +110,354 @@ register_shutdown_function('shutta');
 /*
  *  MAIN
  */
-$shutdown = FALSE;
 
-function main()
+function chunked_content($content)
 {
-    GLOBAL $G_headers;
-    GLOBAL $shutdown;
-    $main_loop = TRUE;
+    $content_l = mb_strlen($content, "ASCII");
 
-    /*
-     *  INIT
-     */
+    return (sprintf("%X\r\n%s\r\n", $content_l, $content));
+}
 
-    $FILE_SOCKET = "/tmp/brisk.sock";
-    $UNIX_SOCKET = "unix://$FILE_SOCKET";
-    $debug = 0;
-    $fixed_fd = 2;
-    $socks = array();
+function chunked_fini()
+{
+    return sprintf("0\r\n");
+}
 
-    $blocking_mode = 0; // 0 for non-blocking
+class Sac_a_push {
+    static $fixed_fd = 2;
+    
+    var $file_socket;
+    var $unix_socket;
+    var $socks;
+    var $s2u;
+    var $pages_flush;
 
-    if (($room = Room::create()) == FALSE) {
-        log_crit("load_data failed");
-        return FALSE;
-    }
+    var $list;
+    var $in;
 
-    $s2u  = array();
+    var $debug;
+    var $blocking_mode;
 
-    $rndstr = "";
-    for ($i = 0 ; $i < 4096 ; $i++) {
-        $rndstr .= chr(mt_rand(65, 90));
-    }
+    var $room;
+    var $bin5;
+
+    var $rndstr;
+    var $main_loop;
 
-    if (file_exists($FILE_SOCKET)) {
-        unlink($FILE_SOCKET);
+    function Sac_a_push()
+    {
     }
+
+    // Sac_a_push::create("/tmp/brisk.sock", 0, 0
+
+    static function create($sockname, $debug, $blocking_mode)
+    {        
+        $thiz = new Sac_a_push();
+
+        $thiz->file_socket = $sockname;
+        $thiz->unix_socket = "unix://$sockname";
+        $thiz->debug = $debug;
+        $thiz->socks = array();
+        $thiz->s2u  = array();
+        $thiz->pages_flush = array();
+
+        $thiz->blocking_mode = 0; // 0 for non-blocking
+
+        if (($thiz->room = Room::create()) == FALSE) {
+            log_crit("room::create failed");
+            return FALSE;
+        }
+
+
+        $thiz->rndstr = "";
+        for ($i = 0 ; $i < 4096 ; $i++) {
+            $thiz->rndstr .= chr(mt_rand(65, 90));
+        }
+        
+        if (file_exists($thiz->file_socket)) {
+            unlink($thiz->file_socket);
+        }
     
-    $old_umask = umask(0);
-    if (($list = stream_socket_server($UNIX_SOCKET, $err, $errs)) === FALSE) {
-        exit(11);
-    }
-    umask($old_umask);
+        $old_umask = umask(0);
+        if (($thiz->list = stream_socket_server($thiz->unix_socket, $err, $errs)) === FALSE) {
+            return (FALSE);
+        }
+        umask($old_umask);
+        stream_set_blocking($thiz->list, $thiz->blocking_mode); # Set the stream to non-blocking
 
-    if (($in = fopen("php://stdin", "r")) === FALSE) {
-        exit(11);
-    }
+        if (($thiz->in = fopen("php://stdin", "r")) === FALSE) {
+            return(FALSE);
+        }
 
-    stream_set_blocking($list, $blocking_mode); # Set the stream to non-blocking
+        $thiz->main_loop = FALSE;
 
-    while ($main_loop) {
-        echo "IN LOOP\n";
-        /* Prepare the read array */
-        if ($shutdown) 
-            $read   = array_merge(array("$in" => $in), $socks);
-        else
-            $read   = array_merge(array("$list" => $list, "$in" => $in), $socks);
+        return ($thiz);
+    }
 
-        if ($debug > 1) {
-            printf("PRE_SELECT\n");
-            print_r($read);
+    function run()
+    {
+        if ($this->main_loop) {
+            return (FALSE);
         }
-        $write  = NULL;
-        $except = NULL;
-        $num_changed_sockets = stream_select($read, $write, $except, 1); // 0, 250000);
         
-        if ($num_changed_sockets === FALSE) {
-            printf("No data in 5 secs");
-        } 
-        else if ($num_changed_sockets > 0) {
-            printf("num sock %d num_of_socket: %d\n", $num_changed_sockets, count($read));
-            if ($debug > 1) {
+        $this->main_loop = TRUE;
+        
+        while ($this->main_loop) {
+            $curtime = time();
+            printf("IN LOOP: Current opened: %d  pages_flush: %d\n", count($this->socks), count($this->pages_flush));
+            
+            /* Prepare the read array */
+            /* // when we manage it ... */
+            /* if ($shutdown)  */
+            /*     $read   = array_merge(array("$in" => $in), $socks); */
+            /* else */
+            $read   = array_merge(array(intval($this->list) => $this->list, intval($this->in) => $this->in),
+                                  $this->socks);
+            
+            if ($this->debug > 1) {
+                printf("PRE_SELECT\n");
                 print_r($read);
             }
-            /* At least at one of the sockets something interesting happened */
-            foreach ($read as $i => $sock) {
-                if ($sock === $list) {
-                    printf("NUOVA CONNEX\n");
-                    $new_unix = stream_socket_accept($list);
-                    $stream_info = "";
-                    $method      = "";
-                    $get         = array();
-                    $post        = array();
-                    $cookie      = array();
-                    if (($new_socket = ancillary_getstream($new_unix, $stream_info)) !== FALSE) {
-                        printf("RECEIVED HEADER:\n%s", $stream_info);
-                        $path = spu_process_info($stream_info, $method, $header, $get, $post, $cookie);
-                        printf("PATH: [%s]\n", $path);
-                        printf("M: %s\nHEADER:\n", $method);
-                        print_r($header);
-                        printf("GET:\n");
-                        print_r($get);
-                        printf("POST:\n");
-                        print_r($post);
-                        printf("COOKIE:\n");
-                        print_r($cookie);
-
-                        switch ($path) {
-                        case SITE_PREFIX:
-                        case SITE_PREFIX."index.php":
+            $write  = NULL;
+            $except = NULL;
+            $num_changed_sockets = stream_select($read, $write, $except, 0, 250000);
+        
+            if ($num_changed_sockets == 0) {
+                printf("No data in 5 secs\n");
+            } 
+            else if ($num_changed_sockets > 0) {
+                printf("num sock %d num_of_socket: %d\n", $num_changed_sockets, count($read));
+                if ($this->debug > 1) {
+                    print_r($read);
+                }
+                /* At least at one of the sockets something interesting happened */
+                foreach ($read as $i => $sock) {
+                    /* is_resource check is required because there is the possibility that
+                       during new request an old connection is closed */
+                    if (!is_resource($sock)) {
+                        continue;
+                    }
+                    if ($sock === $this->list) {
+                        printf("NUOVA CONNEX\n");
+                        $new_unix = stream_socket_accept($this->list);
+                        $stream_info = "";
+                        $method      = "";
+                        $get         = array();
+                        $post        = array();
+                        $cookie      = array();
+                        if (($new_socket = ancillary_getstream($new_unix, $stream_info)) !== FALSE) {
+                            stream_set_blocking($new_socket, $this->blocking_mode); // Set the stream to non-blocking
+                            printf("RECEIVED HEADER:\n%s", $stream_info);
+                            $path = spu_process_info($stream_info, $method, $header, $get, $post, $cookie);
+                            printf("PATH: [%s]\n", $path);
+                            printf("M: %s\nHEADER:\n", $method);
+                            print_r($header);
+                            printf("GET:\n");
+                            print_r($get);
+                            printf("POST:\n");
+                            print_r($post);
+                            printf("COOKIE:\n");
+                            print_r($cookie);
+
+                            $addr = stream_socket_get_name($new_socket, TRUE);
                             $header_out = array();
-                            ob_start();
-                            index_main($room, $header_out, $get, $post, $cookie);
-                            $content = ob_get_contents();
-                            ob_end_clean();
-                            // printf("OUT: [%s]\n", $G_content);
-                            fwrite($new_socket, headers_render($header_out).$content);
-                            fclose($new_socket);
-                            break;
-                        case SITE_PREFIX."index_wr.php":
-                            $G_headers = "";
-                            $addr = "";
-                            $ret = socket_getpeername($new_socket, $addr);
-                            // printf("RET: %d\n", $ret);
-                            // exit(123);
-                            ob_start();
-                            index_wr_main($room, $addr, $get, $post, $cookie);
-                            $content = ob_get_contents();
-                            ob_end_clean();
-                            
-                            // printf("OUT: [%s]\n", $G_content);
-                            fwrite($new_socket, headers_render($header_out).$content);
-                            fclose($new_socket);
-                            break;
-                        case SITE_PREFIX."index_rd_ifra.php":
-                            do {
-                                if (!isset($cookie['sess'])) {
-                                    fclose($new_socket);
-                                    break;
-                                }
-                                if (($user = $room->get_user($cookie['sess'], $idx)) == FALSE) {
-                                    fclose($new_socket);
-                                    break;
-                                }
-                                if (($prev = $user->rd_socket_get()) != NULL) {
-                                    unset($s2u[intval($user->rd_socket_get())]);
-                                    unset($socks[intval($user->rd_socket_get())]);
-                                    fclose($user->rd_socket_get());
-                                    $user->rd_socket_set(NULL);
-                                }
 
-                                $header_out = array();
-                                $body = "";
-                                index_rd_ifra_init($room, $user, $header_out, $body, $get, $post, $cookie);
-                                stream_set_blocking($new_socket, $blocking_mode); // Set the stream to non-blocking
-                                fwrite($new_socket, headers_render($header_out).$body);
-                                fflush($new_socket);
+                            switch ($path) {
+                            case SITE_PREFIX:
+                            case SITE_PREFIX."index.php":
+                                ob_start();
+                                index_main($this->room, $header_out, $addr, $get, $post, $cookie);
+                                $content = ob_get_contents();
+                                ob_end_clean();
 
-                                $s2u[intval($new_socket)] = $idx;
-                                $socks[intval($new_socket)] = $new_socket;                                
-                                $user->rd_socket_set($new_socket);
-                            } while (FALSE);
+                                $pgflush = new PageFlush($new_socket, $curtime, 20, $header_out, $content);
 
-                            break;
-                        }
-                            
-
-
-
-                        if (0 == 1) {
-                            /* TODO: here stuff to decide if it is old or new user */
-                            if (($user_cur = user_get_sess($user_a, $get['sess'])) != FALSE) {
-                                /* close the previous socket */
-                                unset($s2u[intval($user_cur->sock_get())]);
-                                unset($socks[intval($user_cur->sock_get())]);
-                                fclose($user_cur->sock_get());
-                                /* assign the new socket */
-                                $user_cur->sock_set($new_socket);
-                                $id = $user_cur->id_get();
-                                $s2u[intval($new_socket)] = $id;
-                                $socks[intval($new_socket)] = $new_socket;
-                                fwrite($new_socket, $rndstr);
-                                fflush($new_socket);
-                            }
-                            else if (($user_cur = user_get_free($user_a)) != FALSE) {
-                                stream_set_blocking($new_socket, $blocking_mode); // Set the stream to non-blocking
-                                $socks[intval($new_socket)] = $new_socket;
-
-                                $id = $user_cur->id_get();
-                                $user_a[$id]->enable($new_socket, $get['sess']);
-                                printf("s2u: ci passo %d\n", intval($new_socket));
-                                $s2u[intval($new_socket)] = $id;
+                                if ($pgflush->try_flush($curtime) == FALSE) {
+                                    // Add $pgflush to the pgflush array
+                                    array_push($this->pages_flush, $pgflush);
+                                }
 
-                                fwrite($new_socket, $rndstr);
-                                fflush($new_socket);
-                            }
-                            else {
-                                printf("Too many opened users\n");
-                                fclose($new_socket);
+                                break;
+                            case SITE_PREFIX."index_wr.php":
+                                ob_start();
+                                index_wr_main($this->room, $addr, $get, $post, $cookie);
+                                $content = ob_get_contents();
+                                ob_end_clean();
+                                
+                                $pgflush = new PageFlush($new_socket, $curtime, 20, $header_out, $content);
+                                
+                                if ($pgflush->try_flush($curtime) == FALSE) {
+                                    // Add $pgflush to the pgflush array
+                                    array_push($this->pages_flush, $pgflush);
+                                }
+                            break;
+                            case SITE_PREFIX."index_rd_ifra.php":
+                                do {
+                                    if (!isset($cookie['sess'])
+                                        || (($user = $this->room->get_user($cookie['sess'], $idx)) == FALSE)) {
+                                        $content = User::stream_fini(TRUE);
+                                        
+                                        $pgflush = new PageFlush($new_socket, $curtime, 20, $header_out, $content);
+                                        
+                                        if ($pgflush->try_flush($curtime) == FALSE) {
+                                            // Add $pgflush to the pgflush array
+                                            array_push($this->pages_flush, $pgflush);
+                                        }
+                                        break;
+                                    }
+                                    // close a previous opened index_read_ifra socket, if exists
+                                    if (($prev = $user->rd_socket_get()) != NULL) {
+                                        unset($this->s2u[intval($user->rd_socket_get())]);
+                                        unset($this->socks[intval($user->rd_socket_get())]);
+                                        fclose($user->rd_socket_get());
+                                        printf("CLOSE AND OPEN AGAIN ON IFRA2\n");
+                                        $user->rd_socket_set(NULL);
+                                    }
+                                    
+                                    $content = "";
+                                    $user->stream_init($header_out, $content, $get, $post, $cookie);
+                                    
+                                    $response = headers_render($header_out, -1).chunked_content($content);
+                                    $response_l = mb_strlen($response, "ASCII");
+
+                                    $wret = @fwrite($new_socket, $response, $response_l);
+                                    if ($wret < $response_l) {
+                                        printf("TROUBLES WITH FWRITE: %d\n", $wret);
+                                        $user->rd_cache_set(mb_substr($content, $wret, $response_l - $wret, "ASCII"));
+                                    }
+                                    else {
+                                        $user->rd_cache_set("");
+                                    }
+                                    fflush($new_socket);
+                                    
+                                    $this->s2u[intval($new_socket)] = $user;
+                                    $this->socks[intval($new_socket)] = $new_socket;                                
+                                    $user->rd_socket_set($new_socket);
+                                } while (FALSE);
+                                
+                                break;
+                                
+                                /* default: */
+                                /*     $cl = strlen(SITE_PREFIX."briskin5/"); */
+                                /*     if (!strncmp($this->path, SITE_PREFIX."briskin5/", $cl)) { */
+                                /*         Bin5::page_manager($room, $header_out, substr($path,$cl), $method, $addr, $get, $post, $cookie); */
                             }
                         }
+                        else {
+                            printf("WARNING: ancillary_getstream failed\n");
+                        }
                     }
                     else {
-                        printf("WARNING: ancillary_getstream failed\n");
-                    }
-                }
-                else {
-                    if (($buf = fread($sock, 512)) === FALSE) {
-                        printf("error read\n");
-                        exit(123);
-                    }
-                    else if (strlen($buf) === 0) {
-                        if ($sock === $list) {
-                            printf("Arrivati %d bytes da list\n", strlen($buf));
+                        if (($buf = fread($sock, 512)) === FALSE) {
+                            printf("error read\n");
+                            exit(123);
                         }
-                        else if ($sock === $in) {
-                            printf("Arrivati %d bytes da stdin\n", strlen($buf));
+                        else if (strlen($buf) === 0) {
+                            if ($sock === $this->list) {
+                                printf("Arrivati %d bytes da list\n", strlen($buf));
+                            }
+                            else if ($sock === $this->in) {
+                                printf("Arrivati %d bytes da stdin\n", strlen($buf));
+                            }
+                            else {
+                                // $user_a[$s2u[intval($sock)]]->disable();
+                                if ($this->s2u[intval($sock)]->rd_socket_get() != NULL) {
+                                    $this->s2u[intval($sock)]->rd_socket_set(NULL);
+                                }
+                                unset($this->socks[intval($sock)]);
+                                unset($this->s2u[intval($sock)]);
+                                fclose($sock);
+                                printf("CLOSE ON READ\n");
+                            }
+                            if ($this->debug > 1) {
+                                printf("post unset\n");
+                                print_r($this->socks);
+                            }
                         }
                         else {
-                            // $user_a[$s2u[intval($sock)]]->disable();
-                            if ($room->user[$s2u[intval($sock)]]->rd_socket_get() != NULL) {
-                                $room->user[$s2u[intval($sock)]]->rd_socket_set(NULL);
+                            if ($debug > 1) {
+                                print_r($read);
+                            }
+                            if ($sock === $this->list) {
+                                printf("Arrivati %d bytes da list\n", strlen($buf));
+                            }
+                            else if ($sock === $this->in) {
+                                printf("Arrivati %d bytes da stdin\n", strlen($buf));
+                            }
+                            else {
+                                $key = array_search("$sock", $this->socks);
+                                printf("Arrivati %d bytes dalla socket n. %d\n", strlen($buf), $key);
                             }
-                            unset($socks[intval($sock)]);
-                            unset($s2u[intval($sock)]);
-                            fclose($sock);
-                        }
-                        if ($debug > 1) {
-                            printf("post unset\n");
-                            print_r($socks);
                         }
                     }
-                    else {
-                        if ($debug > 1) {
-                            print_r($read);
+                }
+            }
+            
+
+            /* manage unfinished pages */
+            foreach ($this->pages_flush as $k => $pgflush) {
+                if ($pgflush->try_flush($curtime) == TRUE) {
+                    unset($this->pages_flush[$k]);
+                }
+            }
+            
+            /* manage open streaming */
+            foreach ($this->socks as $k => $sock) {
+                if (isset($this->s2u[intval($sock)])) {
+                    $user = $this->s2u[intval($sock)];
+                    $response = $user->rd_cache_get();
+                    if ($response == "") {
+                        $content = "";
+                        $user->stream_main($content, $get, $post, $cookie);
+                        
+                        if ($content == "" && $user->rd_kalive_is_expired($curtime)) {
+                            $content = $user->stream_keepalive();
                         }
-                        if ($sock === $list) {
-                            printf("Arrivati %d bytes da list\n", strlen($buf));
+                        if ($content != "") {
+                            $response = chunked_content($content);
                         }
-                        else if ($sock === $in) {
-                            printf("Arrivati %d bytes da stdin\n", strlen($buf));
+                    }
+                    
+                    if ($response != "") {
+                        echo "SPIA: [".substr($response, 0, 60)."...]\n";
+                        $response_l = mb_strlen($response, "ASCII");
+                        $wret = @fwrite($sock, $response);
+                        if ($wret < $response_l) {
+                            printf("TROUBLE WITH FWRITE: %d\n", $wret);
+                            $user->rd_cache_set(mb_substr($response, $wret, $response_l - $wret, "ASCII"));
                         }
                         else {
-                            $key = array_search("$sock", $socks);
-                            printf("Arrivati %d bytes dalla socket n. %d\n", strlen($buf), $key);
+                            $user->rd_cache_set("");
+                        }
+                        fflush($sock);
+                        $user->rd_kalive_reset($curtime);
+                    }
+                    
+                    // close socket after a while to prevent client memory consumption
+                    if ($user->rd_endtime_is_expired($curtime)) {
+                        // $user_a[$s2u[intval($sock)]]->disable();
+                        if ($this->s2u[intval($sock)]->rd_socket_get() != NULL) {
+                            $this->s2u[intval($sock)]->rd_socket_set(NULL);
                         }
+                        unset($this->socks[intval($sock)]);
+                        unset($this->s2u[intval($sock)]);
+                        fclose($sock);
+                        printf("CLOSE ON LOOP\n");
                     }
                 }
             }
         }
+    }
+}
 
+function main()
+{
+    if (($s_a_p = Sac_a_push::create("/tmp/brisk.sock", 0, 0)) === FALSE) {
+        exit(1);
+    }
 
+    $s_a_p->run();
 
-
-        foreach ($socks as $k => $sock) {
-            if (isset($s2u[intval($sock)])) {
-                $body = "";
-                
-
-                $body = "";
-                $user = $room->user[$s2u[intval($sock)]];
-                index_rd_ifra_main($room, $user, $body);
-                if ($body == "" && $user->rd_tout_is_expired($curtime)) {
-                    $body = index_rd_ifra_keepalive($user);
-                }
-
-                if ($body != "") {
-                    echo "SPIA: [".substr($body, 0, 60)."...]\n";
-                    fwrite($sock, $body);
-                    fflush($sock);
-                    $user->rd_tout_reset($curtime);
-                }
-
-                // close socket after a while to prevent client memory consumption
-                if ($user->rd_endtime_is_expired($curtime)) {
-                    // $user_a[$s2u[intval($sock)]]->disable();
-                    if ($room->user[$s2u[intval($sock)]]->rd_socket_get() != NULL) {
-                        $room->user[$s2u[intval($sock)]]->rd_socket_set(NULL);
-                    }
-                    unset($socks[intval($sock)]);
-                    unset($s2u[intval($sock)]);
-                    fclose($sock);
-                }
-            }
-        }
-    }
-    
     exit(0);
 }