5 * Copyright (C) 2006-2007 matteo.nastasi@milug.org
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABLILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details. You should have received a
16 * copy of the GNU General Public License along with this program; if
17 * not, write to the Free Software Foundation, Inc, 59 Temple Place -
18 * Suite 330, Boston, MA 02111-1307, USA.
24 require_once("Obj/brisk.phh");
26 log_load($sess, "LOAD: index_rd.php ".$QUERY_STRING);
31 if (DEBUGGING == "local" && $_SERVER['REMOTE_ADDR'] != '127.0.0.1') {
32 echo "Debugging time!";
38 log_rd2("SHUTTA!", connection_status());
42 register_shutdown_function(shutta);
46 GLOBAL $is_page_streaming;
48 $is_page_streaming = TRUE;
49 log_rd2("XXX", "UNREC_ERROR");
50 return (sprintf('the_end=true; window.onunload = null; document.location.assign("index.php");'));
53 function page_sync($sess, $page)
55 GLOBAL $is_page_streaming;
57 $is_page_streaming = TRUE;
58 log_rd2($sess, "PAGE_SYNC");
59 return (sprintf('the_end=true; window.onunload = null; document.location.assign("%s");', $page));
65 function maincheck($sess, $cur_stat, $cur_subst, $cur_step, &$new_stat, &$new_subst, &$new_step)
67 GLOBAL $is_page_streaming, $first_loop;
73 /* Sync check (read only without modifications */
74 ignore_user_abort(TRUE);
75 if (($sem = Room::lock_data()) != FALSE) {
76 // Aggiorna l'expire time lato server
77 if ($first_loop == TRUE) {
79 $room = &Room::load_data();
80 if (($user = &$room->get_user($sess, $idx)) == FALSE) {
81 Room::unlock_data($sem);
82 ignore_user_abort(FALSE);
83 return (unrecerror());
85 log_auth($sess, "update lacc");
88 $room->garbage_manager(FALSE);
90 Room::save_data($room);
95 Room::unlock_data($sem);
96 ignore_user_abort(FALSE);
102 if (($proxy_step = step_get($sess)) != FALSE) {
103 // log_rd2($sess, "Postget".$proxy_step."zizi");
105 if ($cur_step == $proxy_step) {
106 log_only2($sess, "P");
110 log_only2($sess, "R");
114 log_only2($sess, "R");
117 if ($room == FALSE) {
118 ignore_user_abort(TRUE);
119 if (($sem = Room::lock_data()) != FALSE) {
120 log_only($sess, "P");
121 $room = &Room::load_data();
122 Room::unlock_data($sem);
123 ignore_user_abort(FALSE);
130 if (($user = &$room->get_user($sess, $idx)) == FALSE) {
131 return (unrecerror());
134 /* Nothing changed, return. */
135 if ($cur_step == $user->step)
138 log_rd2($sess, "do other ++".$cur_stat."++".$user->stat."++".$cur_step."++".$user->step);
140 if ($cur_step == -1) {
141 // FUNZIONE from_scratch DA QUI
142 ignore_user_abort(TRUE);
143 $sem = Room::lock_data();
144 $room = &Room::load_data();
145 if (($user = &$room->get_user($sess, $idx)) == FALSE) {
146 Room::unlock_data($sem);
147 ignore_user_abort(FALSE);
148 return (unrecerror());
151 $is_page_streaming = TRUE;
154 if ($user->trans_step != -1) {
155 log_rd2($sess, "TRANS USATO ".$user->trans_step);
156 $cur_step = $user->trans_step;
157 $user->trans_step = -1;
160 Room::save_data($room);
161 Room::unlock_data($sem);
162 ignore_user_abort(FALSE);
165 log_rd2($sess, "TRANS NON ATTIVATO");
166 Room::unlock_data($sem);
167 ignore_user_abort(FALSE);
171 if ($cur_step == -1) {
172 log_rd2($sess, "PRE-NEWSTAT.");
174 if ($user->stat == 'room') {
175 log_rd($sess, "roomma");
176 $ret .= show_room(&$room, &$user);
183 else if ($user->stat == 'table') {
184 $ret = show_table(&$room,&$user,$user->step,FALSE,FALSE);
186 log_rd2($sess, "SENDED TO THE STREAM: ".$ret);
188 log_rd2($sess, "NEWSTAT: ".$user->stat);
190 $new_stat = $user->stat;
191 $new_subst = $user->subst;
192 $new_step = $user->step;
195 ignore_user_abort(TRUE);
196 $sem = Room::lock_data();
197 $room = &Room::load_data();
198 if (($user = &$room->get_user($sess, $idx)) == FALSE) {
199 Room::unlock_data($sem);
200 ignore_user_abort(FALSE);
201 return (unrecerror());
203 if ($cur_step < $user->step) {
205 if ($cur_step + COMM_N < $user->step) {
206 if (($cur_stat != $user->stat)) {
207 $to_stat = $user->stat;
208 Room::unlock_data($sem);
209 ignore_user_abort(FALSE);
210 return (page_sync($user->sess, $to_stat == "table" ? "table.php" : "index.php"));
212 log_rd2($sess, "lost history, refresh from scratch");
216 for ($i = $cur_step ; $i < $user->step ; $i++) {
217 log_rd2($sess, "ADDED TO THE STREAM: ".$user->comm[$i % COMM_N]);
218 $ret .= $user->comm[$i % COMM_N];
220 $new_stat = $user->stat;
221 $new_subst = $user->subst;
222 $new_step = $user->step;
225 if ($user->the_end == TRUE) {
226 log_rd2($sess, "LOGOUT BYE BYE!!");
227 log_auth($user->sess, "Explicit logout.");
228 $tmp_sess = $user->sess;
230 step_unproxy($tmp_sess);
233 $user->the_end = FALSE;
235 if ($user->subst == 'sitdown')
236 $room->room_wakeup(&$user);
237 else if ($user->subst == 'standup')
238 $room->room_outstandup(&$user);
240 log_rd2($sess, "LOGOUT FROM WHAT ???");
242 Room::save_data($room);
246 Room::unlock_data($sem);
247 ignore_user_abort(FALSE);
265 $is_page_streaming = ((stristr($HTTP_USER_AGENT, "linux") &&
266 stristr($HTTP_USER_AGENT, "firefox")) ? FALSE : TRUE);
269 header("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1
270 header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); // Date in the past
276 log_rd2($sess, "FROM OUTSIDE - STAT: ".$stat." SUBST: ".$subst." STEP: ".$step." MYFROM: ".$myfrom. "IS_PAGE:" . $is_page_streaming);
279 $endtime = time() + STREAM_TIMEOUT;
282 $old_step = $ext_step = $step;
284 for ($i = 0 ; time() < $endtime ; $i++) {
285 // log_rd($sess, "PRE MAIN ".$step);;
286 if (($ret = maincheck($sess, $old_stat, $old_subst, $old_step, &$stat, &$subst, &$step)) != FALSE) {
288 // log_rd2($sess, 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, $ret));
291 log_send($sess, "EXT_STEP: ".$ext_step." ENDTIME: [".$endtime."] ".$ret);
293 if ($is_page_streaming)
299 // log_rd($sess, "POST MAIN ".$step);;
302 // log_rd2($sess, "TIME: ".time());