5 * Copyright (C) 2006-2008 Matteo Nastasi
6 * mailto: nastasi@alternativeoutput.it
7 * matteo.nastasi@milug.org
8 * web: http://www.alternativeoutput.it
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABLILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details. You should have received a
19 * copy of the GNU General Public License along with this program; if
20 * not, write to the Free Software Foundation, Inc, 59 Temple Place -
21 * Suite 330, Boston, MA 02111-1307, USA.
27 require_once("Obj/brisk.phh");
28 // require_once("Obj/proxyscan.phh");
29 require_once("briskin5/Obj/briskin5.phh");
31 // Use of proxies isn't allowed.
36 log_load("index_rd.php");
41 if (DEBUGGING == "local" && $_SERVER['REMOTE_ADDR'] != '127.0.0.1') {
42 echo "Debugging time!";
48 log_rd2("SHUTTA!".connection_status());
52 register_shutdown_function(shutta);
56 GLOBAL $is_page_streaming;
58 $is_page_streaming = TRUE;
59 log_rd2("UNREC_ERROR:".var_export(debug_backtrace()));
60 return (sprintf('the_end=true; window.onunload = null; window.onbeforeunload = null; document.location.assign("index.php");'));
63 function page_sync($sess, $page, $table_idx, $table_token)
65 GLOBAL $is_page_streaming;
67 log_rd2("page_sync:".var_export(debug_backtrace()));
69 $is_page_streaming = TRUE;
72 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, $page));
78 function maincheck($sess, $cur_stat, $cur_subst, $cur_step, &$new_stat, &$new_subst, &$new_step)
80 GLOBAL $is_page_streaming, $first_loop;
86 /* Sync check (read only without modifications */
87 ignore_user_abort(TRUE);
88 if (($sem = Room::lock_data()) != FALSE) {
89 // Aggiorna l'expire time lato server
90 if ($first_loop == TRUE) {
92 $room = &Room::load_data();
93 if (($user = &$room->get_user($sess, $idx)) == FALSE) {
94 Room::unlock_data($sem);
95 ignore_user_abort(FALSE);
96 return (unrecerror());
98 log_auth($sess, "update lacc");
101 log_main("pre garbage_manager TRE");
102 $room->garbage_manager(FALSE);
104 Room::save_data($room);
109 Room::unlock_data($sem);
110 ignore_user_abort(FALSE);
113 // wait 20 secs, then restart the xhr
114 ignore_user_abort(FALSE);
116 return ("sleep(gst,20000);|xhr_rd_abort(xhr_rd);");
118 ignore_user_abort(FALSE);
123 if (($proxy_step = step_get($sess)) != FALSE) {
124 // log_rd2("Postget".$proxy_step."zizi");
126 if ($cur_step == $proxy_step) {
138 if ($room == FALSE) {
140 ignore_user_abort(TRUE);
141 if (($sem = Room::lock_data()) == FALSE)
145 if (($room = &Room::load_data()) == FALSE)
150 Room::unlock_data($sem);
152 ignore_user_abort(FALSE);
157 if (($user = &$room->get_user($sess, $idx)) == FALSE) {
158 return (unrecerror());
161 /* Nothing changed, return. */
162 if ($cur_step == $user->step)
165 log_rd2("do other ++".$cur_stat."++".$user->stat."++".$cur_step."++".$user->step);
167 if ($cur_step == -1) {
168 // FUNZIONE from_scratch DA QUI
169 ignore_user_abort(TRUE);
170 $sem = Room::lock_data();
171 $room = &Room::load_data();
172 if (($user = &$room->get_user($sess, $idx)) == FALSE) {
173 Room::unlock_data($sem);
174 ignore_user_abort(FALSE);
175 return (unrecerror());
177 if ($user->the_end) {
178 log_rd2("main_check: the end".var_export(debug_backtrace()));
179 $is_page_streaming = TRUE;
182 if ($user->trans_step != -1) {
183 log_rd2("TRANS USATO ".$user->trans_step);
184 $cur_step = $user->trans_step;
185 $user->trans_step = -1;
188 Room::save_data($room);
189 Room::unlock_data($sem);
190 ignore_user_abort(FALSE);
193 log_rd2("TRANS NON ATTIVATO");
194 // ARRAY_POP DISABLED
195 // log_rd2("TRANS NON ATTIVATO, clean del comm array");
196 // while (($el = array_pop($user->comm)) != NULL) {
197 // log_rd2("clean element [".$el."]");
199 // // $user->step_inc(COMM_N + 1);
200 // Room::save_data($room);
201 // // $new_step = $user->step;
203 Room::unlock_data($sem);
204 ignore_user_abort(FALSE);
208 if ($cur_step == -1) {
209 log_rd2("PRE-NEWSTAT: ".$user->stat);
211 if ($user->stat == 'room') {
212 log_rd("roomma ".$user->step);
213 $ret .= $room->show_room($user->step, &$user);
215 // TODO uncomment and test
216 /* NOTE the sets went common */
217 $new_stat = $user->stat;
218 $new_subst = $user->subst;
219 $new_step = $user->step;
226 else if ($user->stat == 'table') {
228 return (page_sync($user->sess, "briskin5/index.php", $user->table, $user->table_token));
230 log_rd2("NEWSTAT: ".$user->stat);
233 ignore_user_abort(TRUE);
234 $sem = Room::lock_data();
235 $room = &Room::load_data();
236 if (($user = &$room->get_user($sess, $idx)) == FALSE) {
237 Room::unlock_data($sem);
238 ignore_user_abort(FALSE);
239 return (unrecerror());
241 if ($cur_step < $user->step) {
243 if ($cur_step + COMM_N < $user->step) {
244 if (($cur_stat != $user->stat)) {
245 $to_stat = $user->stat;
246 Room::unlock_data($sem);
247 ignore_user_abort(FALSE);
249 return (page_sync($user->sess, ($to_stat == "table" ? "briskin5/index.php" : "index.php"), $user->table, $user->table_token));
251 log_rd2("lost history, refresh from scratch");
255 for ($i = $cur_step ; $i < $user->step ; $i++) {
256 log_rd2("ADDED TO THE STREAM: ".$user->comm[$i % COMM_N]);
257 $ret .= $user->comm[$i % COMM_N];
259 $new_stat = $user->stat;
260 $new_subst = $user->subst;
261 $new_step = $user->step;
264 if ($user->the_end == TRUE) {
265 log_rd2("LOGOUT BYE BYE!!");
266 log_auth($user->sess, "Explicit logout.");
270 if ($user->subst == 'sitdown') {
271 log_load("ROOM WAKEUP");
272 $room->room_wakeup(&$user);
274 else if ($user->subst == 'standup')
275 $room->room_outstandup(&$user);
277 log_rd2("LOGOUT FROM WHAT ???");
279 Room::save_data($room);
283 Room::unlock_data($sem);
284 ignore_user_abort(FALSE);
302 $is_page_streaming = ((stristr($HTTP_USER_AGENT, "linux") &&
303 (stristr($HTTP_USER_AGENT, "firefox") || stristr($HTTP_USER_AGENT, "iceweasel"))) ? FALSE : TRUE);
306 header("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1
307 header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); // Date in the past
308 header('Content-type: application/xml; charset="utf-8"',true);
309 // header('Content-type: text/plain; charset="utf-8"',true);
310 // header('Content-type: text/html; charset="utf-8"',true);
316 log_rd2("FROM OUTSIDE - STAT: ".$stat." SUBST: ".$subst." STEP: ".$step." MYFROM: ".$myfrom. "IS_PAGE:" . $is_page_streaming);
319 $endtime = time() + STREAM_TIMEOUT;
322 $old_step = $ext_step = $step;
324 for ($i = 0 ; time() < $endtime ; $i++) {
325 // log_rd("PRE MAIN ".$step);;
326 if (($ret = maincheck($sess, $old_stat, $old_subst, $old_step, &$stat, &$subst, &$step)) != FALSE) {
328 // 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, $ret));
331 log_send("IS_PAGE: ".($is_page_streaming == TRUE ? "TRUE" : "FALSE")."EXT_STEP: ".$ext_step." ENDTIME: [".$endtime."] ".$ret);
333 if ($is_page_streaming)
339 // log_rd("POST MAIN ".$step);;
342 // log_rd2("TIME: ".time());