--- /dev/null
+<?php
+/*
+ * brisk - index_rd.php
+ *
+ * Copyright (C) 2006-2008 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.
+ *
+ * $Id$
+ *
+ */
+
+require_once("../Obj/brisk.phh");
+// require_once("../Obj/proxyscan.phh");
+require_once("Obj/briskin5.phh");
+
+// 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 unrecerror()
+{
+ GLOBAL $is_page_streaming;
+
+ $is_page_streaming = TRUE;
+ log_rd2("UNREC_ERROR");
+ return (sprintf('the_end=true; window.onunload = null; document.location.assign("../index.php");'));
+}
+
+function page_sync($sess, $page)
+{
+ GLOBAL $is_page_streaming;
+
+ $is_page_streaming = TRUE;
+ log_rd2("PAGE_SYNC");
+ return (sprintf('the_end=true; 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;
+
+ $ret = FALSE;
+ $bri = FALSE;
+
+ // log_rd2("M");
+ /* Sync check (read only without modifications */
+ ignore_user_abort(TRUE);
+ if (($sem = Briskin5::lock_data($table_idx)) != FALSE) {
+ // Aggiorna l'expire time lato server
+ if ($first_loop == TRUE) {
+ log_only("F");
+
+ // VERIFICARE TUTTE LE LOAD_DATA E PRENDERE CONTROMISURE NEL CASO FALLISCANO //
+
+ if (($bri = &Briskin5::load_data($table_idx, $table_token)) == FALSE) {
+ Briskin5::unlock_data($sem);
+ ignore_user_abort(FALSE);
+ return (unrecerror());
+ }
+ if (($user = &$bri->get_user($sess, $idx)) == FALSE) {
+ Briskin5::unlock_data($sem);
+ ignore_user_abort(FALSE);
+ return (unrecerror());
+ }
+ log_auth($sess, "bin5::update lacc");
+ $user->lacc = time();
+
+ $bri->garbage_manager(FALSE);
+
+ Briskin5::save_data($bri);
+ $first_loop = FALSE;
+ }
+
+ log_lock("U");
+ Briskin5::unlock_data($sem);
+ ignore_user_abort(FALSE);
+ }
+ else {
+ return (FALSE);
+ }
+
+ if (($proxy_step = step_get($sess)) != FALSE) {
+ // log_rd2("Postget".$proxy_step."zizi");
+
+ if ($cur_step == $proxy_step) {
+ log_lock("P");
+ return (FALSE);
+ }
+ else {
+ log_only2("R");
+ }
+ }
+ else {
+ log_only2("R");
+ }
+
+ if ($bri == FALSE) {
+ do {
+ ignore_user_abort(TRUE);
+ if (($sem = Briskin5::lock_data($table_idx)) == FALSE)
+ break;
+
+ log_lock("P");
+ if (($bri = &Briskin5::load_data($table_idx, $table_token)) == FALSE)
+ break;
+ } while (0);
+
+ if ($sem != FALSE)
+ Briskin5::unlock_data($sem);
+
+ ignore_user_abort(FALSE);
+ if ($bri == FALSE)
+ return (unrecerror());
+ }
+
+ if (($user = &$bri->get_user($sess, $idx)) == FALSE) {
+ return (unrecerror());
+ }
+
+ /* Nothing changed, return. */
+ if ($cur_step == $user->step)
+ return;
+
+ log_rd2("do other ++".$cur_stat."++".$user->stat."++".$cur_step."++".$user->step);
+
+ if ($cur_step == -1) {
+ // FUNZIONE from_scratch DA QUI
+ ignore_user_abort(TRUE);
+ $sem = Briskin5::lock_data($table_idx);
+ $bri = &Briskin5::load_data($table_idx, $table_token);
+ if (($user = &$bri->get_user($sess, $idx)) == FALSE) {
+ Briskin5::unlock_data($sem);
+ ignore_user_abort(FALSE);
+ return (unrecerror());
+ }
+ if ($user->the_end)
+ $is_page_streaming = TRUE;
+
+
+ if ($user->trans_step != -1) {
+ log_rd2("TRANS USATO ".$user->trans_step);
+ $cur_step = $user->trans_step;
+ $user->trans_step = -1;
+
+
+ Briskin5::save_data($bri);
+ Briskin5::unlock_data($sem);
+ ignore_user_abort(FALSE);
+ }
+ else {
+ log_rd2("TRANS NON ATTIVATO");
+
+// ARRAY_POP DISABLED
+// while (array_pop($user->comm) != NULL);
+// // $user->step_inc(COMM_N + 1);
+// Briskin5::save_data($bri);
+
+ Briskin5::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);
+ $sem = Briskin5::lock_data($table_idx);
+ if (($bri = &Briskin5::load_data($table_idx, $table_token)) == FALSE) {
+ Briskin5::unlock_data($sem);
+ ignore_user_abort(FALSE);
+ return (unrecerror());
+ }
+ if (($user = &$bri->get_user($sess, $idx)) == FALSE) {
+ Briskin5::unlock_data($sem);
+ ignore_user_abort(FALSE);
+ return (unrecerror());
+ }
+ if ($cur_step < $user->step) {
+ do {
+ if ($cur_step + COMM_N < $user->step) {
+ if (($cur_stat != $user->stat)) {
+ $to_stat = $user->stat;
+ Briskin5::unlock_data($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 = $user->step;
+ } while (0);
+
+ if ($user->the_end == TRUE) {
+ log_rd2("LOGOUT BYE BYE!!");
+ log_auth($user->sess, "Explicit logout.");
+ $tmp_sess = $user->sess;
+ $user->sess = "";
+ step_unproxy($tmp_sess);
+
+ $user->name = "";
+ $user->the_end = FALSE;
+
+ if ($user->subst == 'sitdown')
+ $bri->room_wakeup(&$user);
+ else if ($user->subst == 'standup')
+ $bri->room_outstandup(&$user);
+ else
+ log_rd2("LOGOUT FROM WHAT ???");
+
+ Briskin5::save_data($bri);
+ }
+ }
+
+ Briskin5::unlock_data($sem);
+ ignore_user_abort(FALSE);
+ }
+
+
+ return ($ret);
+}
+
+/*
+ * MAIN
+ */
+
+/*
+ FROM THE EXTERN
+ sess
+ stat
+ step
+*/
+
+$is_page_streaming = ((stristr($HTTP_USER_AGENT, "linux") &&
+ (stristr($HTTP_USER_AGENT, "firefox") || stristr($HTTP_USER_AGENT, "iceweasel"))) ? FALSE : TRUE);
+
+
+header("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1
+header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); // Date in the past
+header('Content-type: application/xml; charset="utf-8"',true);
+// header('Content-type: text/plain; charset="utf-8"',true);
+// header('Content-type: text/html; charset="utf-8"',true);
+
+if (!isset($myfrom))
+ $myfrom = "";
+if (!isset($subst))
+ $subst = "";
+log_rd2("FROM OUTSIDE - STAT: ".$stat." SUBST: ".$subst." STEP: ".$step." MYFROM: ".$myfrom. "IS_PAGE:" . $is_page_streaming."USER_AGENT:".$HTTP_USER_AGENT);
+
+
+$endtime = time() + STREAM_TIMEOUT;
+$old_stat = $stat;
+$old_subst = $subst;
+$old_step = $ext_step = $step;
+
+for ($i = 0 ; time() < $endtime ; $i++) {
+ // log_rd("PRE MAIN ".$step);;
+ if (($ret = maincheck($sess, $old_stat, $old_subst, $old_step, &$stat, &$subst, &$step, $table_idx, $table_token)) != FALSE) {
+ 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@';
+ log_send("EXT_STEP: ".$ext_step." ENDTIME: [".$endtime."] ".$ret);
+ flush();
+ if ($is_page_streaming)
+ break;
+ }
+ $old_stat = $stat;
+ $old_subst = $subst;
+ $old_step = $step;
+ // log_rd("POST MAIN ".$step);;
+ usleep(400000);
+ if (($i % 5) == 0) {
+ // log_rd2("TIME: ".time());
+ echo '_';
+ flush();
+ }
+}
+
+?>
projects / brisk.git / blobdiff