5 * Copyright (C) 2006-2011 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 $S_load_stat = array( 'U_first_loop' => 0,
38 'btn_backtotab' => array('it' => ' torna ai tavoli ',
39 'en' => ' back to tables '),
40 'btn_btotabsup' => array('it' => ' grazie della donazione, torna ai tavoli ',
41 'en' => ' thank you for donation, back to tables ')
44 // Use of proxies isn't allowed.
49 log_load("index_rd.php");
54 if (DEBUGGING == "local" && $_SERVER['REMOTE_ADDR'] != '127.0.0.1') {
55 echo "Debugging time!";
61 log_rd2("SHUTTA [".connection_status()."] !");
64 register_shutdown_function(shutta);
66 function blocking_error($is_unrecoverable)
68 GLOBAL $is_page_streaming;
70 $is_page_streaming = TRUE;
71 log_rd2("BLOCKING_ERROR UNREC: ".($is_unrecoverable ? "TRUE" : "FALSE"));
72 return (sprintf(($is_unrecoverable ? 'the_end=true; ' : '').'window.onbeforeunload = null; window.onunload = null; document.location.assign("index.php");'));
75 function page_sync($sess, $page, $table_idx, $table_token)
77 GLOBAL $is_page_streaming;
79 log_rd2("page_sync:".var_export(debug_backtrace()));
81 $is_page_streaming = TRUE;
84 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, $page));
90 function maincheck($sess, $cur_stat, $cur_subst, $cur_step, &$new_stat, &$new_subst, &$new_step)
92 GLOBAL $G_lang, $mlang_indrd, $is_page_streaming, $first_loop;
93 GLOBAL $G_with_splash, $G_splash_content, $G_splash_interval, $G_splash_idx;
94 GLOBAL $G_splash_w, $G_splash_h, $G_splash_timeout;
95 $CO_splashdate = "CO_splashdate".$G_splash_idx;
96 GLOBAL $$CO_splashdate;
100 log_rd("maincheck begin");
107 // NOTE: qui forse si potrebbe fallback-are a una User::load_data
108 // anche se non ce ne dovrebbe essere mai la necessità
109 if (($proxy_step = User::load_step($sess)) == FALSE) {
111 ignore_user_abort(FALSE);
112 return (blocking_error(TRUE));
116 /* Sync check (read only without modifications */
117 ignore_user_abort(TRUE);
118 if ($first_loop == TRUE) {
119 if (($sem = Room::lock_data(TRUE)) != FALSE) {
120 // Aggiorna l'expire time lato server
121 $S_load_stat['U_first_loop']++;
122 if (($user = User::load_data($proxy_step['i'], $sess)) == FALSE) {
123 Room::unlock_data($sem);
124 ignore_user_abort(FALSE);
125 return (blocking_error(TRUE));
127 $user->lacc = $curtime;
128 // lacc field updated
129 User::save_data($user, $user->idx);
131 if (Room::garbage_time_is_expired($curtime)) {
134 $S_load_stat['R_garbage']++;
135 if (($room = Room::load_data()) == FALSE) {
136 Room::unlock_data($sem);
137 ignore_user_abort(FALSE);
138 return (blocking_error(TRUE));
140 log_main("pre garbage_manager TRE");
141 $room->garbage_manager(FALSE);
142 Room::save_data($room);
145 log_main("infolock: U");
146 Room::unlock_data($sem);
147 ignore_user_abort(FALSE);
148 } // if (($sem = Room::lock_data(TRUE)) != FALSE) {
150 // wait 20 secs, then restart the xhr
151 ignore_user_abort(FALSE);
153 return ("sleep(gst,20000);|xhr_rd_abort(xhr_rd);");
156 } // if ($first_loop == TRUE) {
158 if ($cur_step == $proxy_step['s']) {
159 log_main("infolock: P");
167 if ($user == FALSE) {
169 ignore_user_abort(TRUE);
170 if (($sem = Room::lock_data(FALSE)) == FALSE)
173 log_main("infolock: P");
174 $S_load_stat['U_heavy']++;
175 if (($user = User::load_data($proxy_step['i'], $sess)) == FALSE) {
181 Room::unlock_data($sem);
183 ignore_user_abort(FALSE);
184 if ($user == FALSE) {
185 return (blocking_error(TRUE));
189 /* Nothing changed, return. */
190 if ($cur_step == $user->step)
193 log_rd2("do other cur_stat[".$cur_stat."] user->stat[".$user->stat."] cur_step[".$cur_step."] user_step[".$user->step."]");
195 if ($cur_step == -1) {
197 * if $cur_step == -1 load the current state from the main struct
200 /* unset the $user var to reload it from main structure */
203 ignore_user_abort(TRUE);
204 $sem = Room::lock_data(TRUE);
205 if (($room = Room::load_data()) == FALSE) {
206 Room::unlock_data($sem);
207 ignore_user_abort(FALSE);
208 return (blocking_error(TRUE));
210 $S_load_stat['R_minusone']++;
212 if (($user = $room->get_user($sess, $idx)) == FALSE) {
213 Room::unlock_data($sem);
214 ignore_user_abort(FALSE);
215 return (blocking_error(TRUE));
218 if ($user->the_end) {
219 log_rd2("main_check: the end".var_export(debug_backtrace()));
220 $is_page_streaming = TRUE;
223 if ($user->trans_step != -1) {
224 log_rd2("TRANS USATO ".$user->trans_step);
225 $cur_step = $user->trans_step;
226 $user->trans_step = -1;
228 Room::save_data($room);
229 Room::unlock_data($sem);
230 ignore_user_abort(FALSE);
233 log_rd2("TRANS NON ATTIVATO");
234 // ARRAY_POP DISABLED
235 // log_rd2("TRANS NON ATTIVATO, clean del comm array");
236 // while (($el = array_pop($user->comm)) != NULL) {
237 // log_rd2("clean element [".$el."]");
239 // // $user->step_inc(COMM_N + 1);
240 // Room::save_data($room);
241 // // $new_step = $user->step;
243 Room::unlock_data($sem);
244 ignore_user_abort(FALSE);
249 /* this part I suppose is read only on $room structure */
250 if ($cur_step == -1) {
251 log_rd2("PRE-NEWSTAT: ".$user->stat);
253 if ($user->stat == 'room') {
254 log_rd("roomma ".$user->step);
257 if ($G_with_splash &&
258 ($$CO_splashdate < $curtime - $G_splash_interval ||
259 $$CO_splashdate > $curtime)) {
260 $is_super = $user->flags & USER_FLAG_TY_SUPER;
261 $ret .= show_notify_ex(str_replace("\n", " ", $G_splash_content[$G_lang]),
262 ($is_super ? 0 : $G_splash_timeout),
263 $mlang_indrd[($is_super ? 'btn_btotabsup' : 'btn_backtotab')][$G_lang],
264 $G_splash_w, $G_splash_h, true,
265 ($is_super ? 0 : $G_splash_timeout));
266 $ret .= sprintf('|createCookie("CO_splashdate%d", %d, 24*365, cookiepath);', $G_splash_idx, $curtime);
268 $ret .= $room->show_room($user->step, $user);
270 // TODO uncomment and test
271 /* NOTE the sets went common */
272 $new_stat = $user->stat;
273 $new_subst = $user->subst;
274 $new_step = $user->step;
281 else if ($user->stat == 'table') {
283 return (page_sync($user->sess, "briskin5/index.php", $user->table, $user->table_token));
285 log_rd2("NEWSTAT: ".$user->stat);
288 ignore_user_abort(TRUE);
289 $sem = Room::lock_data(FALSE);
290 $S_load_stat['U_heavy']++;
291 if (($user = User::load_data($proxy_step['i'], $sess)) == FALSE) {
292 Room::unlock_data($sem);
293 ignore_user_abort(FALSE);
294 return (blocking_error(TRUE));
297 if ($cur_step < $user->step) {
299 if ($cur_step + COMM_N < $user->step) {
300 if (($cur_stat != $user->stat)) {
301 $to_stat = $user->stat;
302 Room::unlock_data($sem);
303 ignore_user_abort(FALSE);
305 return (page_sync($user->sess, ($to_stat == "table" ? "briskin5/index.php" : "index.php"), $user->table, $user->table_token));
307 log_rd2("lost history, refresh from scratch");
311 for ($i = $cur_step ; $i < $user->step ; $i++) {
313 log_rd2("ADDED TO THE STREAM: ".$user->comm[$ii]);
314 $ret .= $user->comm[$ii];
316 $new_stat = $user->stat;
317 $new_subst = $user->subst;
318 $new_step = $user->step;
321 log_mop($user->step, 'index_rd.php: after ret set');
323 if ($user->the_end == TRUE) {
324 Room::unlock_data($sem);
326 /* Switch to exclusive locking */
327 $sem = Room::lock_data(TRUE);
331 $S_load_stat['R_the_end']++;
332 if (($room = Room::load_data()) == FALSE) {
333 Room::unlock_data($sem);
334 ignore_user_abort(FALSE);
335 return (blocking_error(TRUE));
338 if (($user = $room->get_user($sess, $idx)) == FALSE) {
339 Room::unlock_data($sem);
340 ignore_user_abort(FALSE);
341 return (blocking_error(TRUE));
344 log_rd2("LOGOUT BYE BYE!!");
345 log_auth($user->sess, "Explicit logout.");
347 if ($user->the_end == TRUE) {
350 if ($user->subst == 'sitdown') {
351 log_load("ROOM WAKEUP");
352 $room->room_wakeup($user);
354 else if ($user->subst == 'standup')
355 $room->room_outstandup($user);
357 log_rd2("LOGOUT FROM WHAT ???");
359 Room::save_data($room);
364 Room::unlock_data($sem);
365 ignore_user_abort(FALSE);
383 $is_page_streaming = (webservers_exceeded() || stristr($HTTP_USER_AGENT, "MSIE") || stristr($HTTP_USER_AGENT, "CHROME") ? TRUE : FALSE);
385 header("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1
386 header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); // Date in the past
387 header('Content-type: application/xml; charset="utf-8"',true);
393 log_rd2("FROM OUTSIDE - STAT: ".$stat." SUBST: ".$subst." STEP: ".$step." MYFROM: ".$myfrom. "IS_PAGE:" . $is_page_streaming);
396 $endtime = time() + STREAM_TIMEOUT;
399 $old_step = $ext_step = $step;
401 for ($i = 0 ; time() < $endtime ; $i++) {
402 // log_rd("PRE MAIN ".$step);;
403 $pre_main = gettimeofday(TRUE);
404 if (($ret = maincheck($sess, $old_stat, $old_subst, $old_step, &$stat, &$subst, &$step)) != FALSE) {
406 // 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, $ret));
409 log_send("IS_PAGE: ".($is_page_streaming == TRUE ? "TRUE" : "FALSE")."EXT_STEP: ".$ext_step." ENDTIME: [".$endtime."] ".$ret);
411 log_mop(0, 'index_rd.php: after flush (begin: '.sprintf("%f", $pre_main).')');
412 if ($is_page_streaming)
418 // log_rd("POST MAIN ".$step);;
420 if (($i % 10) == 0) {
421 // log_rd2("TIME: ".time());
427 $s = "[".$sess."] index_rd.php stats: ";
428 foreach ($S_load_stat as $key => $value) {
429 $s .= sprintf("%s: %d - ", $key, $value);