/*
* brisk - briskin5/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("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 );
// Use of proxies isn't allowed.
// if (is_proxy()) {
log_load("LOAD: bin5/index_rd.php ".$QUERY_STRING);
-$first_loop = TRUE;
+// $first_loop = TRUE;
$the_end = FALSE;
if (DEBUGGING == "local" && $_SERVER['REMOTE_ADDR'] != '127.0.0.1') {
$is_page_streaming = TRUE;
log_rd2("BLOCKING_ERROR UNREC: ".($is_unrecoverable ? "TRUE" : "FALSE"));
- return (sprintf(($is_unrecoverable ? 'the_end=true; ' : '').'window.onbeforeunload = null; window.onunload = null; document.location.assign("../index.php");'));
+ return (sprintf(($is_unrecoverable ? 'xstm.stop(); ' : '').'window.onbeforeunload = null; window.onunload = null; document.location.assign("../index.php");'));
}
function page_sync($sess, $page)
$is_page_streaming = TRUE;
log_rd2("PAGE_SYNC");
- return (sprintf('the_end=true; window.onbeforeunload = null; window.onunload = null; document.location.assign("%s");', $page));
+ return (sprintf('xstm.stop(); window.onbeforeunload = null; window.onunload = null; document.location.assign("%s");', $page));
}
function maincheck($sess, $cur_stat, $cur_subst, $cur_step, &$new_stat, &$new_subst, &$new_step, $table_idx, $table_token)
{
- GLOBAL $is_page_streaming, $first_loop, $S_load_stat;
-
+ GLOBAL $is_page_streaming, $S_load_stat;
+ // GLOBAL $first_loop;
+
$ret = FALSE;
$bri = FALSE;
$user = FALSE;
// log_rd2("M");
/* Sync check (read only without modifications */
ignore_user_abort(TRUE);
- if ($first_loop == TRUE) {
- if (($sem = Bin5::lock_data(TRUE, $table_idx)) != FALSE) {
- // Aggiorna l'expire time lato server
- $S_load_stat['U_first_loop']++;
+ // shared locking to load info
+ if (($sem = Bin5::lock_data(FALSE, $table_idx)) == FALSE) {
+ // wait 20 secs, then restart the xhr
+ ignore_user_abort(FALSE);
+ return ("sleep(gst,20000);|xstm.xhr_abort();");
+ }
- if (($user = Bin5_user::load_data($table_idx, $proxy_step['i'], $sess)) == FALSE) {
+ if (($user = Bin5_user::load_data($table_idx, $proxy_step['i'], $sess)) == FALSE) {
+ Bin5::unlock_data($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 - $user->lacc) > STREAM_TIMEOUT) || Bin5::garbage_time_is_expired($table_idx, $curtime)) {
+ Bin5::unlock_data($sem);
+
+ // exclusive locking to modify info
+ if (($sem = Bin5::lock_data(TRUE, $table_idx)) == FALSE) {
+ // wait 20 secs, then restart the xhr
+ ignore_user_abort(FALSE);
+ return ("sleep(gst,20000);|xstm.xhr_abort();");
+ }
+ $S_load_stat['lL_laccgarb']++;
+
+ unset($user);
+ // load again the user data after new lock
+ if (($user = Bin5_user::load_data($table_idx, $proxy_step['i'], $sess)) == FALSE) {
+ Bin5::unlock_data($sem);
+ ignore_user_abort(FALSE);
+ return (blocking_error(TRUE));
+ }
+
+ if (($curtime - $user->lacc) > STREAM_TIMEOUT) {
+ $S_load_stat['wU_lacc_upd']++;
+ $user->lacc = $curtime;
+ // lacc field updated
+ Bin5_user::save_data($user, $table_idx, $user->idx);
+ }
+
+ if (Bin5::garbage_time_is_expired($table_idx, $curtime)) {
+ log_only("F");
+
+ $S_load_stat['wR_garbage']++;
+ if (($bri = Bin5::load_data($table_idx, $table_token)) == FALSE) {
Bin5::unlock_data($sem);
ignore_user_abort(FALSE);
return (blocking_error(TRUE));
}
- $user->lacc = $curtime;
+
+ $bri->garbage_manager(FALSE);
+
+ Bin5::save_data($bri);
+ unset($bri);
+ }
+ }
+ log_main("infolock: U");
+ Bin5::unlock_data($sem);
+ ignore_user_abort(FALSE);
+
- Bin5_user::save_data($user, $table_idx, $user->idx);
+// if ($first_loop == TRUE) {
+
+// if (($sem = Bin5::lock_data(TRUE, $table_idx)) != FALSE) {
+// // Aggiorna l'expire time lato server
+// $S_load_stat['rU_first_loop']++;
+
+// if (($user = Bin5_user::load_data($table_idx, $proxy_step['i'], $sess)) == FALSE) {
+// Bin5::unlock_data($sem);
+// ignore_user_abort(FALSE);
+// return (blocking_error(TRUE));
+// }
+// $user->lacc = $curtime;
+
+// Bin5_user::save_data($user, $table_idx, $user->idx);
- if (Bin5::garbage_time_is_expired($table_idx, $curtime)) {
- log_only("F");
+// if (Bin5::garbage_time_is_expired($table_idx, $curtime)) {
+// log_only("F");
- $S_load_stat['R_garbage']++;
- if (($bri = Bin5::load_data($table_idx, $table_token)) == FALSE) {
- Bin5::unlock_data($sem);
- ignore_user_abort(FALSE);
- return (blocking_error(TRUE));
- }
+// $S_load_stat['wR_garbage']++;
+// if (($bri = Bin5::load_data($table_idx, $table_token)) == FALSE) {
+// Bin5::unlock_data($sem);
+// ignore_user_abort(FALSE);
+// return (blocking_error(TRUE));
+// }
- $bri->garbage_manager(FALSE);
+// $bri->garbage_manager(FALSE);
- Bin5::save_data($bri);
- unset($bri);
- }
- log_main("infolock: U");
- Bin5::unlock_data($sem);
- ignore_user_abort(FALSE);
- } // if (($sem = Bin5::lock_data(TRUE, $table ...
- else {
- ignore_user_abort(FALSE);
+// Bin5::save_data($bri);
+// unset($bri);
+// }
+// log_main("infolock: U");
+// Bin5::unlock_data($sem);
+// ignore_user_abort(FALSE);
+// } // if (($sem = Bin5::lock_data(TRUE, $table ...
+// else {
+// ignore_user_abort(FALSE);
- return ("sleep(gst,20000);|xhr_rd_abort(xhr_rd);");
- }
+// return ("sleep(gst,20000);|xstm.xhr_abort();");
+// }
- $first_loop = FALSE;
- } // if ($first_loop == TRUE) {
+// $first_loop = FALSE;
+// } // if ($first_loop == TRUE) {
if ($cur_step == $proxy_step['s']) {
log_main("infolock: P");
log_only2("R");
}
+ $S_load_stat['rU_heavy']++;
if ($user == FALSE) {
do {
ignore_user_abort(TRUE);
break;
log_main("infolock: P");
- $S_load_stat['U_heavy']++;
if (($user = Bin5_user::load_data($table_idx, $proxy_step['i'], $sess)) == FALSE) {
break;
}
/*
* if $cur_step == -1 load the current state from the main struct
*/
+
+ /* unset the $user var to reload it from main structure */
+ unset($user);
+
ignore_user_abort(TRUE);
$sem = Bin5::lock_data(TRUE, $table_idx);
if (($bri = Bin5::load_data($table_idx, $table_token)) == FALSE) {
ignore_user_abort(FALSE);
return (blocking_error(TRUE));
}
- $S_load_stat['R_minusone']++;
-
- /* unset the $user var to reload it from main structure */
- unset($user);
+ $S_load_stat['wR_minusone']++;
+
if (($user = $bri->get_user($sess, $idx)) == FALSE) {
Bin5::unlock_data($sem);
ignore_user_abort(FALSE);
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;
}
$new_step = $user->step;
} while (0);
- log_mop($user->step, 'bin::index_rd.php: after ret set');
+ log_rd2($user->step, 'bin::index_rd.php: after ret set');
if ($user->the_end == TRUE) {
log_rd2("LOGOUT BYE BYE!!");
log_auth($user->sess, "Explicit logout.");
+
+ unset($user);
- $S_load_stat['R_the_end']++;
+ $S_load_stat['wR_the_end']++;
if (($bri = Bin5::load_data($table_idx, $table_token)) == FALSE) {
Bin5::unlock_data($sem);
ignore_user_abort(FALSE);
return (blocking_error(TRUE));
}
- unset($user);
if (($user = $bri->get_user($sess, $idx)) == FALSE) {
Bin5::unlock_data($sem);
ignore_user_abort(FALSE);
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($HTTP_USER_AGENT, "CHROME") ? TRUE : FALSE);
header("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); // Date in the past
// header('Content-type: text/plain; charset="utf-8"',true);
// header('Content-type: text/html; charset="utf-8"',true);
-if (!isset($myfrom))
- $myfrom = "";
+if (!isset($from))
+ $from = "";
if (!isset($subst))
$subst = "";
-log_rd2("FROM OUTSIDE - STAT: ".$stat." SUBST: ".$subst." STEP: ".$step." MYFROM: ".$myfrom. "IS_PAGE:" . $is_page_streaming."USER_AGENT:".$HTTP_USER_AGENT." TABLE:".$table_idx);
+log_rd2("FROM OUTSIDE - STAT: ".$stat." SUBST: ".$subst." STEP: ".$step." FROM: ".$from. "IS_PAGE:" . $is_page_streaming."USER_AGENT:".$HTTP_USER_AGENT." TABLE:".$table_idx);
$endtime = time() + STREAM_TIMEOUT;
echo "$ret";
echo ' @END@';
log_send("EXT_STEP: ".$ext_step." ENDTIME: [".$endtime."] ".$ret);
- flush();
- log_mop(0, 'bin::index_rd.php: after flush (begin: '.sprintf("%f", $pre_main).')');
+ mop_flush();
+ log_rd2(0, 'bin::index_rd.php: after mop_flush (begin: '.sprintf("%f", $pre_main).')');
if ($is_page_streaming)
break;
}
if (($i % 10) == 0) {
// log_rd2("TIME: ".time());
echo '_';
- flush();
+ mop_flush();
}
}
-$s = "[".$sess."] briskin5/index_rd.php stats: ";
+$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("briskin5/index_rd.php stats: R: %d W: %d - %s", $tr, $tw, $s);
log_crit($s);
?>