/*
* brisk - index_rd.php
*
- * Copyright (C) 2006-2011 Matteo Nastasi
+ * Copyright (C) 2006-2012 Matteo Nastasi
* mailto: nastasi@alternativeoutput.it
* matteo.nastasi@milug.org
* web: http://www.alternativeoutput.it
// require_once("Obj/proxyscan.phh");
require_once("briskin5/Obj/briskin5.phh");
-$S_load_stat = array( 'U_first_loop' => 0,
- 'U_heavy' => 0,
- 'R_garbage' => 0,
- 'R_minusone' => 0,
- 'R_the_end' => 0 );
+$S_load_stat = array( 'rU_heavy' => 0,
+ 'lL_laccgarb' => 0,
+ 'wU_lacc_upd' => 0,
+ 'wR_garbage' => 0,
+ 'wR_minusone' => 0,
+ 'wR_the_end' => 0 );
$mlang_indrd = array(
'btn_backtotab' => array('it' => ' torna ai tavoli ',
//}
log_load("index_rd.php");
-$first_loop = TRUE;
+// $first_loop = TRUE;
$the_end = FALSE;
if (DEBUGGING == "local" && $_SERVER['REMOTE_ADDR'] != '127.0.0.1') {
function shutta()
{
- log_rd2("SHUTTA!".connection_status());
+ log_rd2("SHUTTA [".connection_status()."] !");
}
-
register_shutdown_function(shutta);
-function unrecerror()
+function blocking_error($is_unrecoverable)
{
GLOBAL $is_page_streaming;
$is_page_streaming = TRUE;
- log_rd2("UNREC_ERROR:".var_export(debug_backtrace()));
- return (sprintf('the_end=true; window.onunload = null; window.onbeforeunload = null; document.location.assign("index.php");'));
+ log_crit("BLOCKING_ERROR UNREC: ".($is_unrecoverable ? "TRUE" : "FALSE"));
+ return (sprintf(($is_unrecoverable ? 'xstm.stop(); ' : '').'window.onbeforeunload = null; window.onunload = null; document.location.assign("index.php");'));
}
function page_sync($sess, $page, $table_idx, $table_token)
$is_page_streaming = TRUE;
log_rd2("PAGE_SYNC");
- return (sprintf('createCookie("table_idx", %d, 24*365, cookiepath); createCookie("table_token", "%s", 24*365, cookiepath); the_end=true; window.onunload = null; window.onbeforeunload = null; document.location.assign("%s");', $table_idx, $table_token, $page));
+ return (sprintf('createCookie("table_idx", %d, 24*365, cookiepath); createCookie("table_token", "%s", 24*365, cookiepath); xstm.stop(); window.onunload = null; window.onbeforeunload = null; document.location.assign("%s");', $table_idx, $table_token, $page));
}
function maincheck($sess, $cur_stat, $cur_subst, $cur_step, &$new_stat, &$new_subst, &$new_step)
{
- GLOBAL $G_lang, $mlang_indrd, $is_page_streaming, $first_loop;
+ GLOBAL $G_lang, $mlang_indrd, $is_page_streaming;
+ // GLOBAL $first_loop;
GLOBAL $G_with_splash, $G_splash_content, $G_splash_interval, $G_splash_idx;
GLOBAL $G_splash_w, $G_splash_h, $G_splash_timeout;
$CO_splashdate = "CO_splashdate".$G_splash_idx;
$user = FALSE;
$curtime = time();
- if (($proxy_step = User::step_get($sess)) == FALSE) {
+ // NOTE: qui forse si potrebbe fallback-are a una User::load_data
+ // anche se non ce ne dovrebbe essere mai la necessità
+ if (($proxy_step = User::load_step($sess)) == FALSE) {
log_only2("R");
- return (FALSE);
+ ignore_user_abort(FALSE);
+ return (blocking_error(TRUE));
}
// log_rd2("M");
/* Sync check (read only without modifications */
ignore_user_abort(TRUE);
- if ($first_loop == TRUE) {
- if (($sem = Room::lock_data()) != FALSE) {
- // Aggiorna l'expire time lato server
- $S_load_stat['U_first_loop']++;
- if (($user = User::load_data($proxy_step['i'], $sess)) == FALSE) {
- Room::unlock_data();
- ignore_user_abort(FALSE);
- return (unrecerror());
- }
+
+
+ /* shared locking to load info */
+ if (($sem = Room::lock_data(FALSE)) == FALSE) {
+ // wait 20 secs, then restart the xhr
+ ignore_user_abort(FALSE);
+ return ("sleep(gst,20000);|xstm.xhr_abort();");
+ }
+
+ // Verifica l'expire time lato server
+ if (($user = User::load_data($proxy_step['i'], $sess)) == FALSE) {
+ Room::unlock_data($sem);
+ ignore_user_abort(FALSE);
+ return (blocking_error(TRUE));
+ }
+ /* if lacc time great than STREAM_TIMEOUT or the room garbage_time is expired
+ switch to exclusive locking and verify again the conditions */
+ if ((($curtime - $user->lacc) > STREAM_TIMEOUT) || Room::garbage_time_is_expired($curtime)) {
+ /* there is some info that require to change data, switch to exclusive locking */
+ Room::unlock_data($sem);
+ if (($sem = Room::lock_data(TRUE)) == FALSE) {
+ // wait 20 secs, then restart the xhr
+ ignore_user_abort(FALSE);
+ return ("sleep(gst,20000);|xstm.xhr_abort();");
+ }
+ $S_load_stat['lL_laccgarb']++;
+
+ // load again the data after locking
+ unset($user);
+ // Verifica l'expire time lato server
+ if (($user = User::load_data($proxy_step['i'], $sess)) == FALSE) {
+ Room::unlock_data($sem);
+ ignore_user_abort(FALSE);
+ return (blocking_error(TRUE));
+ }
+
+ if (($curtime - $user->lacc) >= STREAM_TIMEOUT) {
+ $S_load_stat['wU_lacc_upd']++;
$user->lacc = $curtime;
+ // lacc field updated
User::save_data($user, $user->idx);
+ }
+
+ if (Room::garbage_time_is_expired($curtime)) {
+ log_only("F");
- if (Room::garbage_time_is_expired($curtime)) {
- log_only("F");
-
- $S_load_stat['R_garbage']++;
- if (($room = Room::load_data()) == FALSE) {
- Room::unlock_data();
- ignore_user_abort(FALSE);
- return (unrecerror());
- }
- log_main("pre garbage_manager TRE");
- $room->garbage_manager(FALSE);
- Room::save_data($room);
- unset($room);
+ $S_load_stat['wR_garbage']++;
+ if (($room = Room::load_data()) == FALSE) {
+ Room::unlock_data($sem);
+ ignore_user_abort(FALSE);
+ return (blocking_error(TRUE));
}
- log_lock("U");
- Room::unlock_data($sem);
- ignore_user_abort(FALSE);
- } // if (($sem = Room::lock_data()) != FALSE) {
- else {
- // wait 20 secs, then restart the xhr
- ignore_user_abort(FALSE);
-
- return ("sleep(gst,20000);|xhr_rd_abort(xhr_rd);");
+ log_main("pre garbage_manager TRE");
+ $room->garbage_manager(FALSE);
+ Room::save_data($room);
+ unset($room);
}
- $first_loop = FALSE;
- } // if ($first_loop == TRUE) {
+ }
+ log_main("infolock: U");
+ Room::unlock_data($sem);
+ ignore_user_abort(FALSE);
+
+
+
+// if ($first_loop == TRUE) {
+// if (($sem = Room::lock_data(TRUE)) != FALSE) {
+// // Aggiorna l'expire time lato server
+// $S_load_stat['U_first_loop']++;
+// if (($user = User::load_data($proxy_step['i'], $sess)) == FALSE) {
+// Room::unlock_data($sem);
+// ignore_user_abort(FALSE);
+// return (blocking_error(TRUE));
+// }
+// $user->lacc = $curtime;
+// // lacc field updated
+// User::save_data($user, $user->idx);
+
+// if (Room::garbage_time_is_expired($curtime)) {
+// log_only("F");
+
+// $S_load_stat['R_garbage']++;
+// if (($room = Room::load_data()) == FALSE) {
+// Room::unlock_data($sem);
+// ignore_user_abort(FALSE);
+// return (blocking_error(TRUE));
+// }
+// log_main("pre garbage_manager TRE");
+// $room->garbage_manager(FALSE);
+// Room::save_data($room);
+// unset($room);
+// }
+// log_main("infolock: U");
+// Room::unlock_data($sem);
+// ignore_user_abort(FALSE);
+// } // if (($sem = Room::lock_data(TRUE)) != FALSE) {
+// else {
+// // wait 20 secs, then restart the xhr
+// ignore_user_abort(FALSE);
+
+// return ("sleep(gst,20000);|xstm.xhr_abort();");
+// }
+// $first_loop = FALSE;
+// } // if ($first_loop == TRUE) {
if ($cur_step == $proxy_step['s']) {
- log_lock("P");
+ log_main("infolock: P");
return (FALSE);
}
else {
log_only2("R");
}
-
+ $S_load_stat['rU_heavy']++;
if ($user == FALSE) {
do {
ignore_user_abort(TRUE);
- if (($sem = Room::lock_data()) == FALSE)
+ if (($sem = Room::lock_data(FALSE)) == FALSE)
break;
- log_lock("P");
- $S_load_stat['U_heavy']++;
+ log_main("infolock: P");
if (($user = User::load_data($proxy_step['i'], $sess)) == FALSE) {
break;
}
ignore_user_abort(FALSE);
if ($user == FALSE) {
- return (unrecerror());
+ return (blocking_error(TRUE));
}
}
/*
* if $cur_step == -1 load the current state from the main struct
*/
- ignore_user_abort(TRUE);
- $sem = Room::lock_data();
- $room = Room::load_data();
- $S_load_stat['R_minusone']++;
-
+
/* unset the $user var to reload it from main structure */
unset($user);
+
+ ignore_user_abort(TRUE);
+ $sem = Room::lock_data(TRUE);
+ if (($room = Room::load_data()) == FALSE) {
+ Room::unlock_data($sem);
+ ignore_user_abort(FALSE);
+ return (blocking_error(TRUE));
+ }
+ $S_load_stat['wR_minusone']++;
+
if (($user = $room->get_user($sess, $idx)) == FALSE) {
Room::unlock_data($sem);
ignore_user_abort(FALSE);
- return (unrecerror());
+ return (blocking_error(TRUE));
}
- if ($user->the_end) {
+ if ($user->the_end == TRUE) {
log_rd2("main_check: the end".var_export(debug_backtrace()));
$is_page_streaming = TRUE;
}
return (page_sync($user->sess, "briskin5/index.php", $user->table, $user->table_token));
}
log_rd2("NEWSTAT: ".$user->stat);
- }
+ } /* if ($cur_step == -1) { */
else {
- // TODO: verify if we can use only $user struct
ignore_user_abort(TRUE);
- $sem = Room::lock_data();
- $S_load_stat['U_heavy']++;
+ $sem = Room::lock_data(FALSE);
+ $S_load_stat['rU_heavy']++;
if (($user = User::load_data($proxy_step['i'], $sess)) == FALSE) {
- Room::unlock_data();
+ Room::unlock_data($sem);
ignore_user_abort(FALSE);
- return (unrecerror());
+ return (blocking_error(TRUE));
}
if ($cur_step < $user->step) {
$new_step = $user->step;
} while (0);
- log_mop($user->step, 'index_rd.php: after ret set');
+ log_rd2($user->step, 'index_rd.php: after ret set');
if ($user->the_end == TRUE) {
- log_rd2("LOGOUT BYE BYE!!");
- log_auth($user->sess, "Explicit logout.");
+ Room::unlock_data($sem);
- $S_load_stat['R_the_end']++;
- $room = Room::load_data();
+ /* Switch to exclusive locking */
+ $sem = Room::lock_data(TRUE);
+
unset($user);
+
+ $S_load_stat['wR_the_end']++;
+ if (($room = Room::load_data()) == FALSE) {
+ Room::unlock_data($sem);
+ ignore_user_abort(FALSE);
+ return (blocking_error(TRUE));
+ }
+
if (($user = $room->get_user($sess, $idx)) == FALSE) {
Room::unlock_data($sem);
ignore_user_abort(FALSE);
- return (unrecerror());
+ return (blocking_error(TRUE));
}
- $user->reset();
-
- if ($user->subst == 'sitdown') {
- log_load("ROOM WAKEUP");
- $room->room_wakeup($user);
- }
- else if ($user->subst == 'standup')
- $room->room_outstandup($user);
- else
- log_rd2("LOGOUT FROM WHAT ???");
+
+ log_rd2("LOGOUT BYE BYE!!");
+ log_auth($user->sess, "Explicit logout.");
- Room::save_data($room);
- }
- }
+ if ($user->the_end == TRUE) {
+ $user->reset();
+
+ if ($user->subst == 'sitdown') {
+ log_load("ROOM WAKEUP");
+ $room->room_wakeup($user);
+ }
+ else if ($user->subst == 'standup')
+ $room->room_outstandup($user);
+ else
+ log_rd2("LOGOUT FROM WHAT ???");
+
+ Room::save_data($room);
+ } /* if ($user->the_end == TRUE) { ... */
+ } /* if ($user->the_end == TRUE) { ... */
+ } /* if ($cur_step < $user->step) { */
Room::unlock_data($sem);
ignore_user_abort(FALSE);
- }
+ } /* else of if ($cur_step == -1) { */
return ($ret);
step
*/
-$is_page_streaming = (stristr($HTTP_USER_AGENT, "MSIE") || stristr($HTTP_USER_AGENT, "CHROME") ? TRUE : FALSE);
+$is_page_streaming = (webservers_exceeded() || stristr($HTTP_USER_AGENT, "Mozilla/5.0 (Windows NT 6.1; rv:5.0)") || stristr($HTTP_USER_AGENT, "MSIE") || stristr($HTTP_USER_AGENT, "CHROME") ? TRUE : FALSE);
header("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); // Date in the past
header('Content-type: application/xml; charset="utf-8"',true);
-if (!isset($myfrom))
- $myfrom = "";
+if (!isset($from))
+ $from = "";
if (!isset($subst))
$subst = "";
-log_rd2("FROM OUTSIDE - STAT: ".$stat." SUBST: ".$subst." STEP: ".$step." MYFROM: ".$myfrom. "IS_PAGE:" . $is_page_streaming);
+log_rd2("FROM OUTSIDE - STAT: ".$stat." SUBST: ".$subst." STEP: ".$step." FROM: ".$from. "IS_PAGE:" . $is_page_streaming);
$endtime = time() + STREAM_TIMEOUT;
echo "$ret";
echo ' @END@';
log_send("IS_PAGE: ".($is_page_streaming == TRUE ? "TRUE" : "FALSE")."EXT_STEP: ".$ext_step." ENDTIME: [".$endtime."] ".$ret);
- flush();
- log_mop(0, 'index_rd.php: after flush (begin: '.sprintf("%f", $pre_main).')');
- if ($is_page_streaming)
- break;
+ mop_flush();
+ log_rd2(0, 'index_rd.php: after mop_flush (begin: '.sprintf("%f", $pre_main).')');
+ if ($is_page_streaming)
+ break;
}
$old_stat = $stat;
$old_subst = $subst;
if (($i % 10) == 0) {
// log_rd2("TIME: ".time());
echo '_';
- flush();
+ mop_flush();
+ log_crit("flush");
}
}
-$s = "[".$sess."] index_rd.php stats: ";
+$s = "";
+$tr = 0;
+$tw = 0;
foreach ($S_load_stat as $key => $value) {
$s .= sprintf("%s: %d - ", $key, $value);
+ if (substr($key, 0, 1) == "w")
+ $tw += $value;
+ else if (substr($key, 0, 1) == "r")
+ $tr += $value;
}
+$s = sprintf("index_rd.php stats: R: %d W: %d - %s", $tr, $tw, $s);
log_crit($s);
-
-
?>
projects / brisk.git / blobdiff