--- /dev/null
+<?php
+/*
+ * brisk - briskin5/index_rd.php
+ *
+ * Copyright (C) 2006-2011 Matteo Nastasi
+ * mailto: nastasi@alternativeoutput.it
+ * matteo.nastasi@milug.org
+ * web: http://www.alternativeoutput.it
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABLILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details. You should have received a
+ * copy of the GNU General Public License along with this program; if
+ * not, write to the Free Software Foundation, Inc, 59 Temple Place -
+ * Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+$G_base = "../";
+
+require_once("../Obj/brisk.phh");
+// require_once("../Obj/proxyscan.phh");
+require_once("Obj/briskin5.phh");
+
+$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()) {
+// sleep(5);
+// exit;
+// }
+
+log_load("LOAD: bin5/index_rd.php ".$QUERY_STRING);
+
+// $first_loop = TRUE;
+$the_end = FALSE;
+
+if (DEBUGGING == "local" && $_SERVER['REMOTE_ADDR'] != '127.0.0.1') {
+ echo "Debugging time!";
+ exit;
+}
+
+function shutta()
+{
+ log_rd2("bin5 SHUTTA [".connection_status()."] !");
+}
+
+register_shutdown_function(shutta);
+
+function blocking_error($is_unrecoverable)
+{
+ GLOBAL $is_page_streaming;
+
+ $is_page_streaming = TRUE;
+ log_rd2("BLOCKING_ERROR UNREC: ".($is_unrecoverable ? "TRUE" : "FALSE"));
+ return (sprintf(($is_unrecoverable ? 'hstm.stop(); ' : '').'window.onbeforeunload = null; window.onunload = null; document.location.assign("../index.php");'));
+}
+
+function page_sync($sess, $page)
+{
+ GLOBAL $is_page_streaming;
+
+ $is_page_streaming = TRUE;
+ log_rd2("PAGE_SYNC");
+ return (sprintf('hstm.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, $S_load_stat;
+ // GLOBAL $first_loop;
+
+ $ret = FALSE;
+ $bri = FALSE;
+ $user = FALSE;
+ $curtime = time();
+
+ if (($proxy_step = Bin5_user::load_step($table_idx, $sess)) == FALSE) {
+ log_only2("R");
+ ignore_user_abort(FALSE);
+ return (blocking_error(TRUE));
+ }
+
+ // log_rd2("M");
+ /* Sync check (read only without modifications */
+ ignore_user_abort(TRUE);
+
+ // shared locking to load info
+ if (($sem = Bin5::lock_data(FALSE, $table_idx)) == FALSE) {
+ // wait 20 secs, then restart the xhr
+ ignore_user_abort(FALSE);
+ return ("sleep(gst,20000);|hstm.xhr_abort();");
+ }
+
+ if (($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);|hstm.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));
+ }
+
+ $bri->garbage_manager(FALSE);
+
+ Bin5::save_data($bri);
+ unset($bri);
+ }
+ }
+ log_main("infolock: U");
+ Bin5::unlock_data($sem);
+ ignore_user_abort(FALSE);
+
+
+// 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");
+
+// $S_load_stat['wR_garbage']++;
+// if (($bri = Bin5::load_data($table_idx, $table_token)) == FALSE) {
+// Bin5::unlock_data($sem);
+// ignore_user_abort(FALSE);
+// return (blocking_error(TRUE));
+// }
+
+// $bri->garbage_manager(FALSE);
+
+// Bin5::save_data($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);|hstm.xhr_abort();");
+// }
+
+// $first_loop = FALSE;
+// } // if ($first_loop == TRUE) {
+
+ if ($cur_step == $proxy_step['s']) {
+ 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 = Bin5::lock_data(TRUE, $table_idx)) == FALSE)
+ break;
+
+ log_main("infolock: P");
+ if (($user = Bin5_user::load_data($table_idx, $proxy_step['i'], $sess)) == FALSE) {
+ break;
+ }
+ } while (0);
+
+ if ($sem != FALSE)
+ Bin5::unlock_data($sem);
+
+ ignore_user_abort(FALSE);
+ if ($user == FALSE)
+ return (blocking_error(TRUE));
+ }
+
+ /* Nothing changed, return. */
+ if ($cur_step == $user->step)
+ return (FALSE);
+
+ log_rd2("do other cur_stat[".$cur_stat."] user->stat[".$user->stat."] cur_step[".$cur_step."] user_step[".$user->step."]");
+
+ if ($cur_step == -1) {
+ /*
+ * 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, $table_token)) == FALSE) {
+ Bin5::unlock_data($sem);
+ ignore_user_abort(FALSE);
+ return (blocking_error(TRUE));
+ }
+ $S_load_stat['wR_minusone']++;
+
+ if (($user = $bri->get_user($sess, $idx)) == FALSE) {
+ Bin5::unlock_data($sem);
+ ignore_user_abort(FALSE);
+ return (blocking_error(TRUE));
+ }
+ if ($user->the_end == TRUE) {
+ log_rd2("main_check: the end".var_export(debug_backtrace()));
+ $is_page_streaming = TRUE;
+ }
+
+ if ($user->trans_step != -1) {
+ log_rd2("TRANS USATO ".$user->trans_step);
+ $cur_step = $user->trans_step;
+ $user->trans_step = -1;
+
+ Bin5::save_data($bri);
+ Bin5::unlock_data($sem);
+ ignore_user_abort(FALSE);
+ }
+ else {
+ log_rd2("TRANS NON ATTIVATO");
+
+ // ARRAY_POP DISABLED
+ // while (array_pop($user->comm) != NULL);
+ // // $user->step_inc(COMM_N + 1);
+ // Bin5::save_data($bri);
+
+ Bin5::unlock_data($sem);
+ ignore_user_abort(FALSE);
+ }
+ }
+
+ if ($cur_step == -1) {
+ log_rd2("PRE-NEWSTAT.");
+
+ /***************
+ * *
+ * TABLE *
+ * *
+ ***************/
+ if ($user->stat == "table") {
+ $ret = show_table(&$bri,&$user,$user->step,FALSE,FALSE);
+
+ log_rd2("SENDED TO THE STREAM: ".$ret);
+ }
+ log_rd2("NEWSTAT: ".$user->stat);
+
+ $new_stat = $user->stat;
+ $new_subst = $user->subst;
+ $new_step = $user->step;
+ }
+ else {
+ ignore_user_abort(TRUE);
+ $sem = Bin5::lock_data(TRUE, $table_idx);
+ // if (($user = &$bri->get_user($sess, $idx)) == FALSE) {
+ if (($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 ($cur_step < $user->step) {
+ do {
+ if ($cur_step + COMM_N < $user->step) {
+ if (($cur_stat != $user->stat)) {
+ $to_stat = $user->stat;
+ Bin5::unlock_data($sem);
+ ignore_user_abort(FALSE);
+ return (page_sync($user->sess, $to_stat == "table" ? "index.php" : "../index.php"));
+ }
+ log_rd2("lost history, refresh from scratch");
+ $new_step = -1;
+ break;
+ }
+ for ($i = $cur_step ; $i < $user->step ; $i++) {
+ $ii = $i % COMM_N;
+ log_wr("TRY RET ".$i." COMM_N ".COMM_N." II ".$ii);
+ $ret .= $user->comm[$ii];
+ }
+ $new_stat = $user->stat;
+ $new_subst = $user->subst;
+ $new_step = $user->step;
+ } while (0);
+
+ log_rd2($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);
+
+ $S_load_stat['wR_the_end']++;
+ if (($bri = Bin5::load_data($table_idx, $table_token)) == FALSE) {
+ Bin5::unlock_data($sem);
+ ignore_user_abort(FALSE);
+ return (blocking_error(TRUE));
+ }
+ if (($user = $bri->get_user($sess, $idx)) == FALSE) {
+ Bin5::unlock_data($sem);
+ ignore_user_abort(FALSE);
+ return (blocking_error(TRUE));
+ }
+
+ $tmp_sess = $user->sess;
+ $user->sess = "";
+ Bin5_user::unproxy_step($tmp_sess);
+ $user->name = "";
+ $user->the_end = FALSE;
+
+ /* FIXME - and now ??
+ if ($user->subst == 'sitdown')
+ $bri->room_wakeup($user);
+ else if ($user->subst == 'standup')
+ $bri->room_outstandup($user);
+ else
+ log_rd2("LOGOUT FROM WHAT ???");
+ */
+ Bin5::save_data($bri);
+ }
+ }
+
+ Bin5::unlock_data($sem);
+ ignore_user_abort(FALSE);
+ }
+
+
+ return ($ret);
+}
+
+/*
+ * MAIN
+ */
+
+/*
+ FROM THE EXTERN
+ sess
+ stat
+ step
+*/
+
+$is_page_streaming = FALSE; // (webservers_exceeded() || stristr($HTTP_USER_AGENT, "Mozilla/5.0 (Windows NT 6.1; rv:5.0)") || stristr($HTTP_USER_AGENT, "MSIE") || stristr($HTTP_USER_AGENT, "CHROME") ? TRUE : FALSE);
+
+header("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1
+header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); // Date in the past
+// header('Content-type: application/xml; charset="utf-8"',true);
+// header('Content-type: text/plain; charset="utf-8"',true);
+// header('Content-type: text/html; charset="utf-8"',true);
+header('Content-type: text/html; charset="utf-8"',true);
+
+$four_rnd_string =
+ "GGZDGDRBXDWFXHGPYAAVDXEKFDUWSTEDTDVXBXQPMZAIFPNLRPTWMJAZRHXTIRNZ"
+."HTZXAUVJDCLXENDCLIZXSSEQQGUADYEKNNANJWEGRUFHPLUNSEROZQJSLMUYNUVG"
+."FPLQAGCMTTGIRRXZFBFQFTRBYPHTWFSXFKHKYBRDAOSOURCMEVGPVXJVUQAOCFPV"
+."OQSUBOYWOZLDGRPQQIBNOTHFUHTCRRZOBCUONAXIYUYCJBFTVNWIITVHBYLNMPWR"
+."LPMMIROZVRUNYXSJSMJINSXGACXDMJAEPNFFAERHVDJELXSPPJWKMNFGVGAPTIMR"
+."VMVMVCLWKMPOAJWZGPSPFEXVNQANXGLZIQSCBIYVFSTXZOODZYCXUVUZFCLFGHUJ"
+."TXZWFHSMFJQAZOQRANKZJAUJHFJIKHIIEQUSDXUBRPQBKMIAVTWYQEOIMYKKDTEV"
+."EYERPXKFJXWNIMJPOFFMWJCJSLFZKPNRNVXIDLUSRVBGLUCQZCUQCZNAORDXMRSS"
+."UBNMPXJDQXXLMQRCTOCCJJWHFSUWBNWXWZHPKWYYKPZIMBXTYAZXJJQSBLNAQGJI"
+."AIXZUHNTQYFSGUYMVOWEGUWWRBEMRJHXXOMLRXXWJZLPGLMKEANZWWXIXPIUTURJ"
+."TCXYIKIPNTSUIOWBCEVQHLTHYQNGBHAOPREWGJVOQKNUKTXVTMBRHCERDGYWQVXB"
+."BCZUGMIJXALLIOSXCYMEIDNTPLGRMKXKVFKWGRFKCBIRASOOYIFTLXFSBEOJSDFN"
+."PHSWPGERDYIGUPDXUBSAFCHTPJNBORIRMAOCKGAMFFZUBTVSGEEFMYMEBPUVCRSP"
+."DEEAROBQLJHNMCDAFMPLUKNZXTTJJIULUTDTLEZLVMRLKNLXGCQIGFCBHEWDHNPW"
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+."LKIPNJOURQLYDHLZYPHEJXPBYTXTGVZOGQUZXAORYINAOTRJCNEDPAXSJIQICWEY"
+."UEJPQALSYHKYZLPJTMBLIDNFRFLTIOVZZTEWPSJCUNDWUDZWJKDDRJEXOICJBSYP"
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+."QQPBYCCLEYRLXVBPMUUMUDPECMDFSVJNKKAEMBYJJXMZGWYTAHECIXAFGWAOGIWV"
+."GAOHCMVHJZVWZCHJWGJJDBZNDXPXOYTDVZEDPWZIIMQVCQPLQIEOSRPVVICTZKGX"
+."JXSFDFUHKKOTXTEGLDSCAODMCVGSSEYANCXJDATMRJRIDLLIJHINSOXJQDEABCVU"
+."WFXWKXJQEREZDLOVUQHYBESHNJWTESPNDVIKYLCTNQEVVUXAWFNQEYIVZXNMJEPL"
+."MFMTOKXXFQYYVBHAXYQVUBALQLSNJSVOTZDDTOZMUEVZJATXQNQVSFXWTGACHUDD"
+."QXCPCRLSREKXHKJNUYUJGIGCNWXUSXOGGYPQWFZDJCKKZONXJUSJKBYIPJSMPVIN"
+."UFBIFNROMBTKQPBIZYJWLPQIJLNTLHTUEWFINOQQDAHCXXKVADTEDBANOPIJBXXC"
+."NAEZOVJAISUQBCBNOYIJBXMRPYPKXBFKFVGQLOEFPOCTZHJXKGUPZQPZOZWXXSSH"
+."SLBGVGVPRAFJCVRKWLSWLMHBMYOKVJDCZSQBLTGSOJDJHOVIDEBKJZNAQYLFIEYS"
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+."PYIFTUDCMWRQBZDROXTTVTAOOIQHIWOZESRHKPNGNCSHNAVEWUSGOTZCRNFSIXGF"
+."QJUMUFPEZBFPOVGZZDCGDKEODSWAPNDNHVJUQDYLCXWNXSCDFFFPBTDOIZIZLBBP"
+."ZXZYWTTPEUUCKXGBTXAJBAXYLMUVWWGWZYTXTKYVRXSOXOBHERLZJPRDXIQZRQLU"
+."TXCLIJNKIRWMVQEJTLHZIDTNGBOYSULGWUTSYTKGNMGZFWKXCCZXGOQGZNQFZJUK"
+."JMBQPQPZOPYTQMPEFTZUDLIIBZAZSZAPNILMIKMPKXJIRHRQMFSTJKAPIIQWOFYQ"
+."HGANJGJSUGDIENDVEQFEMUJBGMZBPHLOARCVGMUUCHLCDDNKSJSCKYSALUAGUZFN"
+."YVURVLREBESGXPANIDKGLPJZGXLKFKTPEQBQEINOYYZTBMPFBLBKIKVPAPFDKKRZ"
+."YMVUBYCYTRXCIICUPTXKGQOIJSVSWPYVALIROWGVXDXGNSRVZOLEJHNRSUKHNTRJ"
+."LQZQKBEFXYKIPXJRZMQMJKUGCNUKBZBWABPLHMAJJZVBCWOQYCLSGDUKJSTHTVXV"
+."OUGJVADGJWGVNBNXYRZDSNLOZDIQRKOQAKJJDKXRMMTXRVTLOMTETNROPDYNXAGR";
+?><html>
+<head>
+<script type="text/javascript" src="../commons.js"></script>
+<script type="text/javascript" src="../xynt-http-streaming-ifra.js"></script>
+<script type="text/javascript">
+var http_streaming = "ready";
+<?php
+if (isset($st)) {
+ printf("last_clean = %d;\n", $st);
+ }
+?>
+window.onload = function () { if (http_streaming != "ready") { http_streaming.reload(); } };
+</script>
+</head>
+<body>
+<?php
+
+echo("<!-- ");
+echo($four_rnd_string);
+echo(" -->\n");
+mop_flush();
+
+
+if (!isset($from))
+ $from = "";
+if (!isset($subst))
+ $subst = "";
+log_rd2("FROM OUTSIDE - STAT: ".$stat." SUBST: ".$subst." STEP: ".$step." FROM: ".$from. "IS_PAGE:" . $is_page_streaming."USER_AGENT:".$HTTP_USER_AGENT." TABLE:".$table_idx);
+
+
+$endtime = time() + STREAM_TIMEOUT;
+$old_stat = $stat;
+$old_subst = $subst;
+$old_step = $ext_step = $step;
+
+$no_data = TRUE;
+for ($i = 0, $script_step=0 ; time() < $endtime ; $i++) {
+ // log_rd("PRE MAIN ".$step);;
+ $pre_main = gettimeofday(TRUE);
+ if (($ret = maincheck($sess, $old_stat, $old_subst, $old_step, &$stat, &$subst, &$step, $table_idx, $table_token)) != FALSE) {
+ $no_data = false;
+ if(0 == 1) {
+ echo '@BEGIN@';
+ log_rd2(sprintf("\nSESS: [%s]\nOLD_STAT: [%s] OLD_SUBST: [%s] OLD_STEP: [%s] \nSTAT: [%s] SUBST: [%s] STEP: [%s] \nCOMM: [%s]\n", $sess, $old_stat, $old_subst, $old_step, $stat, $subst, $step, $ret));
+ echo "$ret";
+ echo ' @END@';
+ }
+ printf("<script id='hs%d' type='text/javascript'><!--
+push(\"%s\");
+// -->
+</script>", $script_step++, escpush($ret) );
+ log_send("EXT_STEP: ".$ext_step." ENDTIME: [".$endtime."] ".$ret);
+ mop_flush();
+ log_rd2(0, 'bin::index_rd.php: after mop_flush (begin: '.sprintf("%f", $pre_main).')');
+ if ($is_page_streaming)
+ break;
+ }
+ $old_stat = $stat;
+ $old_subst = $subst;
+ $old_step = $step;
+ // log_rd("POST MAIN ".$step);;
+ usleep(400000);
+ if (($i % 10) == 0) {
+ if ($no_data == TRUE) {
+ // log_rd2("TIME: ".time());
+ printf("<script id='hs%d' type='text/javascript'><!--
+push(null);
+// -->
+</script>", $script_step++);
+ mop_flush();
+ log_crit("flush");
+ }
+ $no_data = TRUE;
+
+ }
+}
+$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);
+
+?>
projects / brisk.git / commitdiff