web/Obj/user.phh

   1 <?php
   2 /*
   3  *  brisk - Obj/user.phh
   4  *
   5  *  Copyright (C) 2012 Matteo Nastasi
   6  *                          mailto: nastasi@alternativeoutput.it
   7  *                                  matteo.nastasi@milug.org
   8  *                          web: http://www.alternativeoutput.it
   9  *
  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.
  14  *
  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.
  22  */
  23
  24 // User flags
  25 define('USER_FLAG_AUTH',     0x02);
  26
  27 define('USER_FLAG_MAP_AUTH', 0x0c);
  28 define('USER_FLAG_LISTAUTH', 0x04);
  29 define('USER_FLAG_ISOLAUTH', 0x08);
  30
  31 define('USER_FLAG_DBFAILED', 0x10);
  32
  33 //   user status
  34 define('USER_FLAG_S_NORM',  0x000); // done
  35 define('USER_FLAG_S_PAU',   0x100); // done
  36 define('USER_FLAG_S_OUT',   0x200); // done
  37 define('USER_FLAG_S_DOG',   0x300); // done
  38 define('USER_FLAG_S_EAT',   0x400); // done
  39 define('USER_FLAG_S_WRK',   0x500); // done
  40 define('USER_FLAG_S_SMK',   0x600); // done
  41 define('USER_FLAG_S_EYE',   0x700); // done
  42 define('USER_FLAG_S_RABB',  0x800); // done
  43 define('USER_FLAG_S_SOCC',  0x900); // done
  44 define('USER_FLAG_S_BABY',  0xa00); // done
  45 define('USER_FLAG_S_MOP',   0xb00); // done
  46
  47 define('USER_FLAG_S_ALL',   0xf00); // done
  48
  49 /* type of user normal, supporter etc ... */
  50 define('USER_FLAG_TY_ALL',     0xff0000); // done
  51 define('USER_FLAG_TY_NORM',    0x010000); // done
  52 define('USER_FLAG_TY_SUPER',   0x020000); // done
  53 //  ... other usefull status ...
  54 define('USER_FLAG_TY_SUSPEND', 0x400000); // done
  55 define('USER_FLAG_TY_DISABLE', 0x800000); // done
  56
  57 // 240 is the right value, 600 is for fwrite error test
  58 define('RD_ENDTIME_DELTA',  240);
  59 define('RD_KEEPALIVE_TOUT',   4);
  60
  61 $G_four_rnd_string =
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 126
 127 $S_load_stat = array( 'rU_heavy'      => 0,
 128                       'lL_laccgarb'   => 0,
 129                       'wU_lacc_upd'   => 0,
 130                       'wR_garbage'    => 0,
 131                       'wR_minusone'   => 0,
 132                       'wR_the_end'    => 0 );
 133
 134 $mlang_indrd = array(
 135                      'btn_backtotab'  => array('it' => ' torna ai tavoli ',
 136                                                'en' => ' back to tables '),
 137                      'btn_btotabsup'  => array('it' => ' grazie della donazione, torna ai tavoli ',
 138                                                'en' => ' thank you for donation, back to tables ')
 139                      );
 140
 141 class User {
 142   var $room;       // reference to the room where the user is registered
 143   var $idx;        // index in the users array when you are in game
 144   var $idx_orig;   // index in the users array when you aren't in game
 145   var $code;       // authentication code
 146   var $name;       // name of the user
 147   var $sess;       // session of the user
 148   var $ip;         // ip of the user
 149   var $lacc;       // last access (for the cleanup)
 150   var $laccwr;     // last access (for the cleanup)
 151   var $bantime;    // timeout to temporary ban
 152   var $stat;       // status (outdoor, room, table, game, ...)
 153   var $subst;      // substatus for each status
 154   var $step;       // step of the current status
 155   var $trans_step; // step to enable transition between pages (disable == -1)
 156
 157   var $rd_socket;  // socket handle of push stream
 158   var $rd_endtime; // end time for push stream
 159   var $rd_stat;    // actual status of push stream
 160   var $rd_subst;   // actual substatus of push stream
 161   var $rd_step;    // actual step of push stream
 162   var $rd_from;    // referer
 163   var $rd_scristp; // current script step (for each session)
 164   var $rd_kalive;  // if no message are sent after RD_KEEPALIVE_TOUT secs we send a keepalive from server
 165   var $rd_cache;   // place where store failed fwrite data
 166
 167   var $comm;       // commands array
 168   // var $asta_card;  //
 169   // var $asta_pnt;   //
 170   // var $handpt;     // Total card points at the beginning of the current hand.
 171   // var $exitislock; // Player can exit from the table ?
 172
 173   // FIXME: the table_orig field must be removed after table field verify of index management (in spawned table
 174   //        it is allways ZERO
 175   var $table;      // id of the current table when you are in game
 176   var $table_orig; // id of the current table when you aren't in game
 177   var $table_pos;  // idx on the table
 178   var $table_token;// token that identify a game on a table
 179   var $flags;      // Bitfield with: AUTHENTICATE: 0x02
 180   var $the_end;    // Flag to change the end of the session
 181
 182   var $chat_lst;      // Last chat line
 183   var $chattime;      // Array of chat times
 184   var $chat_cur;      // Current chat line number
 185   var $chat_ban;      // Time for ban chat
 186   var $chat_dlt;      // Delta t for ban
 187   var $shm_sz;
 188
 189   const BASE = "";    // basepath for absolute web references
 190
 191   function User() {
 192   }
 193
 194   function create(&$room, $idx, $name, $sess, $stat = "", $subst = "", $table = -1, $ip="0.0.0.0") {
 195     if (($thiz = new User()) == FALSE)
 196       return (FALSE);
 197
 198     $thiz->room       = &$room;
 199     $thiz->idx        = $idx;
 200     $thiz->idx_orig   = $idx;
 201     $thiz->code       = -1;
 202     $thiz->name       = $name;
 203     $thiz->sess       = $sess;
 204     $thiz->ip         = $ip;
 205     $thiz->lacc       = time();
 206     $thiz->laccwr     = time();
 207     $thiz->bantime    = 0;
 208     $thiz->stat       = $stat;
 209     $thiz->subst      = $subst;
 210     $thiz->step       = 1;
 211     $thiz->trans_step = -1;
 212     $thiz->comm       = array();
 213
 214     $thiz->rd_socket  = NULL;
 215     $thiz->rd_endtime = -1;
 216     $thiz->rd_stat    = -1;
 217     $thiz->rd_subst   = "";
 218     $thiz->rd_step    = -1;
 219     $thiz->rd_from    = "";
 220     $thiz->rd_scristp = -1;
 221     $thiz->rd_kalive  = -1;
 222     $thiz->rd_cache   = "";
 223
 224     $thiz->asta_card  = -2;
 225     $thiz->asta_pnt   = -1;
 226     $thiz->handpt     = -1;
 227     $thiz->exitislock = TRUE;
 228
 229     $thiz->flags      = 0x00;
 230
 231     $thiz->chattime   = array_fill(0, CHAT_N, 0);
 232     $thiz->chat_cur   = 0;
 233     $thiz->chat_lst   = "";
 234     $thiz->chat_ban   = 0;
 235     $thiz->chat_dlt   = 0;
 236
 237     $thiz->table_orig = $table;
 238     $thiz->table      = $table;
 239     $thiz->table_pos  = -1;
 240     $thiz->table_token= "";
 241     $thiz->shm_sz = SHM_DIMS_U_MIN;
 242     return ($thiz);
 243   }
 244
 245   function copy($from)
 246   {
 247     $this->idx        = $from->idx;
 248     $this->idx_orig   = $from->idx;
 249     $this->code       = $from->code;
 250     $this->name       = $from->name;
 251     $this->sess       = $from->sess;
 252     $this->ip         = $from->ip;
 253     $this->lacc       = $from->lacc;
 254     $this->laccwr     = $from->laccwr;
 255     $this->bantime    = $from->bantime;
 256     $this->stat       = $from->stat;
 257     $this->subst      = $from->subst;
 258     $this->step       = $from->step;
 259     $this->trans_step = $from->trans_step;
 260     $this->comm       = array();
 261
 262     $i_start = (1 > ($from->step - COMM_N) ? 1 : ($from->step - COMM_N));
 263     for ($i = $i_start ; $i < $from->step ; $i++) {
 264         $ii = $i % COMM_N;
 265         if (isset($from->comm[$ii])) {
 266             $this->comm[$ii] = $from->comm[$ii];
 267         }
 268     }
 269     $this->asta_card  = $from->asta_card;
 270     $this->asta_pnt   = $from->asta_pnt;
 271     $this->handpt     = $from->handpt;
 272     $this->exitislock = $from->exitislock;
 273
 274     $this->flags      = $from->flags;
 275
 276     $this->chattime   = array();
 277     for ($i = 0 ; $i < CHAT_N ; $i++)
 278       $this->chattime[$i] = $from->chattime[$i];
 279     $this->chat_cur   = $from->chat_cur;
 280     $this->chat_lst   = $from->chat_lst;
 281     $this->chat_ban   = $from->chat_ban;
 282     $this->chat_dlt   = $from->chat_dlt;
 283
 284     $this->table_orig = $from->table_orig;
 285     $this->table      = $from->table;
 286     $this->table_pos  = $from->table_pos;
 287     $this->table_token = $from->table_token;
 288     $this->the_end    = $from->the_end;
 289     $this->shm_sz     = $from->shm_sz;
 290     return (TRUE);
 291   }
 292
 293
 294   function myclone($from)
 295   {
 296     if (($thiz = new User()) == FALSE)
 297       return (FALSE);
 298
 299     $thiz->copy($from);
 300
 301     return ($thiz);
 302   }
 303
 304   function spawn($from, $table, $table_pos)
 305   {
 306     if (($thiz = new User()) == FALSE)
 307       return (FALSE);
 308
 309     $thiz->idx        = $from->idx;
 310     $thiz->idx_orig   = $from->idx;
 311     $thiz->code       = $from->code;
 312     $thiz->name       = $from->name;
 313     $thiz->sess       = $from->sess;
 314     $thiz->ip         = $from->ip;
 315     $thiz->lacc       = $from->lacc;
 316     $thiz->laccwr     = $from->laccwr;
 317     $thiz->bantime    = $from->bantime;
 318     $thiz->stat       = $from->stat;
 319     $thiz->subst      = $from->subst;
 320     $thiz->step       = $from->step;
 321     $thiz->trans_step = $from->trans_step;
 322     $thiz->comm       = array();
 323
 324     /*
 325     $i_start = (1 > ($from->step - COMM_N) ? 1 : ($from->step - COMM_N));
 326     for ($i = $i_start ; $i < $from->step ; $i++) {
 327       log_wr("TRY PUSH:".$i);
 328       $ii = $i % COMM_N;
 329       $thiz->comm[$ii]   = $from->comm[$ii];
 330     }
 331     */
 332     $thiz->asta_card  = $from->asta_card;
 333     $thiz->asta_pnt   = $from->asta_pnt;
 334     $thiz->handpt     = $from->handpt;
 335     $thiz->exitislock = $from->exitislock;
 336     $thiz->the_end    = $from->the_end;
 337
 338     $thiz->flags      = $from->flags;
 339
 340     $thiz->chattime   = array_fill(0, CHAT_N, 0);
 341     $thiz->chat_cur   = 0;
 342     $thiz->chat_lst   = "";
 343     $thiz->chat_ban   = 0;
 344     $thiz->chat_dlt   = 0;
 345
 346
 347     $thiz->table_orig = $table;
 348     $thiz->table      = 0;
 349     $thiz->table_pos  = $table_pos;
 350     $thiz->table_token = $from->table_token;
 351     $thiz->shm_sz      = $from->shm_sz;
 352
 353     return ($thiz);
 354   }
 355
 356   function rd_data_set($curtime, $stat, $subst, $step, $from)
 357   {
 358       $this->rd_endtime = $curtime + RD_ENDTIME_DELTA;
 359       $this->rd_stat    = $stat;
 360       $this->rd_subst   = $subst;
 361       $this->rd_step    = $step;
 362       $this->rd_from    = $from;
 363       $this->rd_scristp = 0;
 364       $this->rd_kalive  = $curtime + RD_KEEPALIVE_TOUT;
 365   }
 366
 367   function rd_socket_get() {
 368       return ($this->rd_socket);
 369   }
 370
 371   function rd_socket_set($sock) {
 372       $this->rd_socket = $sock;
 373   }
 374
 375   function rd_kalive_get()
 376   {
 377       return ($this->rd_kalive);
 378   }
 379
 380   function rd_kalive_set($tm)
 381   {
 382       $this->rd_kalive = $tm;
 383   }
 384
 385   function rd_kalive_is_expired($tm)
 386   {
 387       // printf("rd_kalive %d tm %d\n", $this->rd_kalive, $tm);
 388       return ($this->rd_kalive < $tm);
 389   }
 390
 391   function rd_endtime_is_expired($tm)
 392   {
 393       // printf("rd_endtime %d tm %d\n", $this->rd_kalive, $tm);
 394       return ($this->rd_endtime < $tm);
 395   }
 396
 397   function rd_kalive_reset($tm)
 398   {
 399       $this->rd_kalive = $tm + RD_KEEPALIVE_TOUT;
 400   }
 401
 402   function rd_cache_get()
 403   {
 404       return ($this->rd_cache);
 405   }
 406
 407   function rd_cache_set($cache)
 408   {
 409       $this->rd_cache = $cache;
 410   }
 411
 412   function idx_get() {
 413       return ($this->idx);
 414   }
 415
 416   function code_get() {
 417       return ($this->code);
 418   }
 419
 420   function stat_set($stat) {
 421     log_main("sess: [".$this->sess. "] NEW STAT: [".$stat."]");
 422     $this->stat = "$stat";
 423
 424     /*
 425     if (validate_sess($this->sess)) {
 426       if (file_exists(PROXY_PATH) == FALSE)
 427         mkdir(PROXY_PATH, 0775, TRUE);
 428       $fp = @fopen(PROXY_PATH."/".$this->sess.".stat", 'w');
 429       fwrite($fp, sprintf("%s\n",$this->stat));
 430       fclose($fp);
 431     }
 432     */
 433   }
 434
 435   function step_set($step)
 436   {
 437       $this->step = $step & 0x7fffffff;
 438
 439       return (TRUE);
 440   }
 441
 442   function step_inc($delta = 1) {
 443       $this->step += $delta;
 444       /* modularization because unpack() not manage unsigned 32bit int correctly */
 445       $this->step &= 0x7fffffff;
 446
 447       return TRUE;
 448   }
 449
 450
 451   function save_step()
 452   {
 453       do {
 454           if (validate_sess($this->sess) == FALSE)
 455               break;
 456           if (file_exists(PROXY_PATH) == FALSE)
 457               mkdir(PROXY_PATH, 0775, TRUE);
 458           if (($fp = @fopen(PROXY_PATH."/".$this->sess.".step", 'w')) == FALSE)
 459               break;
 460           fwrite($fp, pack("LL",$this->step, $this->idx));
 461           fclose($fp);
 462
 463           log_main("step_set [".$this->sess. "] [".$this->step."]");
 464
 465           return (TRUE);
 466       } while (0);
 467
 468       return (FALSE);
 469   }
 470
 471   static function load_step($sess)
 472   {
 473       $fp = FALSE;
 474       do {
 475           if (validate_sess($sess) == FALSE)
 476               break;
 477
 478           if (file_exists(PROXY_PATH) == FALSE)
 479               mkdir(PROXY_PATH, 0775, TRUE);
 480           if (($fp = @fopen(PROXY_PATH."/".$sess.".step", 'rb')) == FALSE)
 481               break;
 482           if (($s = fread($fp, 8)) == FALSE)
 483               break;
 484           if (mb_strlen($s, "ASCII") != 8)
 485               break;
 486           $arr = unpack('Ls/Li', $s);
 487           fclose($fp);
 488
 489           // log_rd2("A0: ".$arr[0]."  A1: ".$arr[1]);
 490           return ($arr);
 491       } while (0);
 492
 493       if ($fp != FALSE)
 494           fclose($fp);
 495
 496       log_rd2("STEP_GET [".$sess."]: return false ");
 497
 498       return (FALSE);
 499   }
 500
 501   static function unproxy_step($sess) {
 502       log_rd2("UNPROXY: ".PROXY_PATH."/".$sess.".step");
 503       if (file_exists(PROXY_PATH) == FALSE)
 504           return;
 505       @unlink(PROXY_PATH."/".$sess.".step");
 506   }
 507
 508   function reset() {
 509     $curtime = time();
 510     log_legal($curtime, 'xxx', $this, "STAT:LOGOUT", '');
 511
 512     $tmp_sess = $this->sess;
 513     $this->sess = "";
 514     self::unproxy_step($tmp_sess);
 515     $this->name = "";  // OK here
 516     while (array_pop($this->comm) != NULL);
 517     $this->step = 0;
 518     $this->chattime = array_fill(0, CHAT_N, 0);
 519     $this->chat_cur = 0;
 520     $this->chat_lst = "";
 521     $this->chat_ban = 0;
 522     $this->chat_dlt = 0;
 523     $this->the_end = FALSE;
 524   }
 525
 526   static function load_data($id, $sess)
 527   {
 528       log_main("load_data: id [".$id."] sess [".($sess == FALSE ? "FALSE" : $sess)."] ");
 529
 530       do {
 531           if (($tok = @ftok(FTOK_PATH."/user".$id, "B")) == -1) {
 532               log_main("ftok failed");
 533               break;
 534           }
 535
 536           if (($shm_sz = sharedmem_sz($tok)) == -1) {
 537               log_main("shmop_open failed");
 538           }
 539
 540           if ($shm_sz == -1)
 541               $shm_sz = SHM_DIMS_U_MIN;
 542
 543           if ($shm = shm_attach($tok, $shm_sz)) {
 544               if (($user = @shm_get_var($shm, $tok)) == FALSE) {
 545                   break;
 546               }
 547               if ($sess != FALSE && $user->sess != $sess) {
 548                   break;
 549               }
 550               log_only("user ==  ".($user == FALSE ?   "FALSE" : "TRUE")."  user ===  ".($user === FALSE ? "FALSE" : "TRUE")."  user isset ".(isset($user) ?   "TRUE" : "FALSE"));
 551
 552               if ($user == FALSE) {
 553                   log_only("INIT MAIN DATA");
 554
 555                   // SHSPLIT FIXME: init_data for User class ??
 556                   $user = self::create($id, "", "");
 557                   if (@shm_put_var($shm, $tok, $user) == FALSE) {
 558                       log_only("PUT_VAR FALLITA ".strlen(serialize($user)));
 559                       log_only(serialize($user));
 560                   }
 561                   log_shme("User::save_data2");
 562               }
 563               else {
 564                   if ($sess != FALSE) {
 565                       /*
 566                        *  NOTE:  this part is for check only, theoretically
 567                        *         user->step anch proxy_step are set allways at the same value
 568                        */
 569                       $old_step = $user->step;
 570                       $arr = self::load_step($sess);
 571                       $user->step = $arr['s'];
 572                       if ($old_step != $user->step) {
 573                           log_crit("steps are diffetents User->step ".$user->step." Old_step: ".$old_step);
 574                       }
 575                   }
 576               }
 577               $user->shm_sz = $shm_sz;
 578
 579               shm_detach($shm);
 580           }
 581
 582           //
 583           // SHSPLIT: load users from the shared memory
 584           //
 585           return ($user);
 586       } while (0);
 587
 588       return (FALSE);
 589   }
 590
 591
 592   static function save_data($user, $id)
 593   {
 594       GLOBAL $sess;
 595
 596       $shm =   FALSE;
 597
 598       if (($tok = @ftok(FTOK_PATH."/user".$id, "B")) == -1) {
 599           return (FALSE);
 600       }
 601       while ($user->shm_sz < SHM_DIMS_U_MAX) {
 602           if (($shm = shm_attach($tok, $user->shm_sz)) == FALSE)
 603               break;
 604
 605           // log_only("PUT_VAR DI ".strlen(serialize($user)));
 606           if (@shm_put_var($shm, $tok, $user) != FALSE) {
 607               shm_detach($shm);
 608               if ($user->sess != "")
 609                   $user->save_step();
 610
 611               log_shme("User::save_data");
 612
 613               log_main("User[".$id."] saved.");
 614               return (TRUE);
 615           }
 616           if (shm_remove($shm) === FALSE) {
 617               log_only("REMOVE FALLITA");
 618               break;
 619           }
 620           shm_detach($shm);
 621           $user->shm_sz += SHM_DIMS_U_DLT;
 622       }
 623
 624       if ($shm)
 625           shm_detach($shm);
 626
 627       return (FALSE);
 628   }
 629
 630   function myname_innerHTML()
 631   {
 632       $class_id = ($this->flags & USER_FLAG_AUTH) + 1;
 633
 634       return (sprintf('$("myname").innerHTML = "<span class=\"au%d\">%s</span>";', $class_id,
 635                       xcape($this->name,ENT_COMPAT,"UTF-8")));
 636   }
 637
 638   /* INDEX_RD_IFRA PORT */
 639
 640   static function blocking_error($is_unrecoverable)
 641   {
 642       GLOBAL $is_page_streaming;
 643
 644       $is_page_streaming = TRUE;
 645       log_crit("BLOCKING_ERROR UNREC: ".($is_unrecoverable ? "TRUE" : "FALSE"));
 646       return (sprintf(($is_unrecoverable ? 'hstm.stop(); ' : '').'window.onbeforeunload = null; window.onunload = null; document.location.assign("index.php");'));
 647   }
 648
 649   // FIXME TO SUPPORT iframe
 650   static function page_sync($sess, $page, $table_idx, $table_token)
 651   {
 652       GLOBAL $is_page_streaming;
 653
 654       log_rd2("page_sync:".var_export(debug_backtrace()));
 655
 656       $is_page_streaming = TRUE;
 657
 658       log_rd2("PAGE_SYNC");
 659       return (sprintf('createCookie("table_idx", %d, 24*365, cookiepath); createCookie("table_token", "%s", 24*365, cookiepath); hstm.stop(); window.onunload = null; window.onbeforeunload = null; document.location.assign("%s");', $table_idx, $table_token, $page));
 660   }
 661
 662
 663
 664
 665   function maincheck($cur_stat, $cur_subst, $cur_step, &$new_stat, &$new_subst, &$new_step, $splashdate)
 666   {
 667       GLOBAL $G_lang, $mlang_indrd, $is_page_streaming;
 668       // GLOBAL $first_loop;
 669       GLOBAL $G_with_splash, $G_splash_content, $G_splash_interval, $G_splash_idx;
 670       GLOBAL $G_splash_w, $G_splash_h, $G_splash_timeout;
 671       $CO_splashdate = "CO_splashdate".$G_splash_idx;
 672       $$CO_splashdate = $splashdate;
 673
 674       GLOBAL $S_load_stat;
 675
 676       log_rd("maincheck begin");
 677
 678       $ret = FALSE;
 679       $curtime = time();
 680
 681       /* if ((($curtime - $this->lacc) >  STREAM_TIMEOUT) || Room::garbage_time_is_expired($curtime)) { */
 682       /*     $S_load_stat['lL_laccgarb']++; */
 683
 684       /*     if (($curtime - $this->lacc) >=  STREAM_TIMEOUT) { */
 685       /*         $S_load_stat['wU_lacc_upd']++; */
 686       /*         $this->lacc = $curtime; */
 687       /*     } */
 688
 689       /*     if (Room::garbage_time_is_expired($curtime)) { */
 690       /*         log_only("F"); */
 691
 692       /*         $S_load_stat['wR_garbage']++; */
 693       /*         log_main("pre garbage_manager TRE"); */
 694       /*         $this->room->garbage_manager(FALSE); */
 695       /*     } */
 696       /* } */
 697
 698       /* Nothing changed, return. */
 699       if ($cur_step == $this->step)
 700           return (FALSE);
 701
 702       log_rd2("do other cur_stat[".$cur_stat."] user->stat[".$this->stat."] cur_step[".$cur_step."] user_step[".$this->step."]");
 703
 704       if ($cur_step == -1) {
 705           /*
 706            *  if $cur_step == -1 load the current state from the main struct
 707            */
 708
 709           $S_load_stat['wR_minusone']++;
 710
 711           if ($this->the_end == TRUE) {
 712               log_rd2("main_check: the end".var_export(debug_backtrace()));
 713               $is_page_streaming = TRUE;
 714           }
 715
 716           if ($this->trans_step != -1) {
 717               log_rd2("TRANS USATO ".$this->trans_step);
 718               $cur_step = $this->trans_step;
 719               $this->trans_step = -1;
 720           }
 721           else {
 722               log_rd2("TRANS NON ATTIVATO");
 723           }
 724       }
 725
 726
 727       /* this part I suppose is read only on $this->room structure */
 728       if ($cur_step == -1) {
 729           log_rd2("PRE-NEWSTAT: ".$this->stat);
 730
 731           if ($this->stat == 'room') {
 732               log_rd("roomma ".$this->step);
 733               $curtime = time();
 734
 735               if ($G_with_splash &&
 736                   ($$CO_splashdate < $curtime - $G_splash_interval ||
 737                    $$CO_splashdate > $curtime)) {
 738                   $is_super = $this->flags & USER_FLAG_TY_SUPER;
 739                   $ret .=  show_notify_ex(str_replace("\n", " ", $G_splash_content[$G_lang]),
 740                                           ($is_super ? 0 : $G_splash_timeout),
 741                                           $mlang_indrd[($is_super ? 'btn_btotabsup' : 'btn_backtotab')][$G_lang],
 742                                           $G_splash_w, $G_splash_h, true,
 743                                           ($is_super ? 0 : $G_splash_timeout));
 744                   $ret .= sprintf('|createCookie("CO_splashdate%d", %d, 24*365, cookiepath);', $G_splash_idx, $curtime);
 745               }
 746               $ret .= $this->room->show_room($this->step, $this);
 747
 748               // TODO uncomment and test
 749               /* NOTE the sets went common */
 750               $new_stat =  $this->stat;
 751               $new_subst = $this->subst;
 752               $new_step =  $this->step;
 753           }
 754           /***************
 755            *             *
 756            *    TABLE    *
 757            *             *
 758            ***************/
 759           else if ($this->stat == 'table') {
 760               log_load("RESYNC");
 761               return (self::page_sync($this->sess, "briskin5/index.php", $this->table, $this->table_token));
 762           }
 763           log_rd2("NEWSTAT: ".$this->stat);
 764       } /* if ($cur_step == -1) { */
 765       else {
 766           /* $sem = Room::lock_data(FALSE); */
 767           $S_load_stat['rU_heavy']++;
 768
 769           if ($cur_step < $this->step) {
 770               do {
 771                   if ($cur_step + COMM_N < $this->step) {
 772                       if (($cur_stat != $this->stat)) {
 773                           $to_stat = $this->stat;
 774                           /* Room::unlock_data($sem); */
 775                           log_load("RESYNC");
 776                           return (self::page_sync($this->sess, ($to_stat == "table" ? "briskin5/index.php" : "index.php"), $this->table, $this->table_token));
 777                       }
 778                       log_rd2("lost history, refresh from scratch");
 779                       $new_step = -1;
 780                       break;
 781                   }
 782                   for ($i = $cur_step ; $i < $this->step ; $i++) {
 783                       $ii = $i % COMM_N;
 784                       log_rd2("ADDED TO THE STREAM: ".$this->comm[$ii]);
 785                       $ret .= $this->comm[$ii];
 786                   }
 787                   $new_stat =  $this->stat;
 788                   $new_subst = $this->subst;
 789                   $new_step =  $this->step;
 790               } while (0);
 791
 792               log_rd2($this->step, 'index_rd.php: after ret set');
 793
 794               if ($this->the_end == TRUE) {
 795                   log_rd2("LOGOUT BYE BYE!!");
 796                   log_auth($this->sess, "Explicit logout.");
 797
 798                   if ($this->the_end == TRUE) {
 799                       $this->reset();
 800
 801                       if ($this->subst == 'sitdown') {
 802                           log_load("ROOM WAKEUP");
 803                           $this->room->room_wakeup($this);
 804                       }
 805                       else if ($this->subst == 'standup')
 806                           $this->room->room_outstandup($this);
 807                       else
 808                           log_rd2("LOGOUT FROM WHAT ???");
 809
 810                   } /* if ($this->the_end == TRUE) { ... */
 811               } /* if ($this->the_end == TRUE) { ... */
 812           } /* if ($cur_step < $this->step) { */
 813
 814           /* Room::unlock_data($sem); */
 815       }  /* else of if ($cur_step == -1) { */
 816
 817
 818       return ($ret);
 819   }  //   function maincheck (...
 820
 821 static function stream_fini($is_unrecoverable)
 822 {
 823     GLOBAL $G_four_rnd_string;
 824
 825     // IF IFRAME THEN:
 826     $body = "";
 827     $body .= sprintf("<html>
 828 <head>
 829 <script type=\"text/javascript\" src=\"%scommons.js\"></script>
 830 <script type=\"text/javascript\" src=\"%sxynt-http-streaming-ifra.js\"></script>
 831 <script type=\"text/javascript\">
 832 var http_streaming = \"ready\";", self::base_get(), self::base_get());
 833     $body .= sprintf("
 834 window.onload = function () { if (http_streaming != \"ready\") { http_streaming.reload(); } };
 835 </script>
 836 </head>
 837 <body>");
 838     $body .= sprintf("<!-- \n%s -->\n", $G_four_rnd_string);
 839     $body .= sprintf("<script id='hs%d' type='text/javascript'><!--
 840 push(\"%s\");
 841 // -->
 842 </script>", 0, escpush(self::blocking_error($is_unrecoverable)) );
 843     // ELSE IF XHR THEN:
 844     // return (self::blocking_error($is_unrecoverable));
 845     return ($body);
 846 }
 847
 848 /*
 849  *  MAIN
 850  */
 851
 852 /*
 853    FROM THE EXTERN
 854    sess
 855    stat
 856    step
 857 */
 858 function stream_init(&$header_out, &$body, $get, $post, $cookie)
 859 {
 860     GLOBAL $G_four_rnd_string;
 861
 862     $curtime = time();
 863
 864     printf("CLASS: [%s] base: [%s]\n", get_class($this), self::base_get());
 865
 866     $is_page_streaming = FALSE; // (webservers_exceeded() || stristr($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);
 867
 868     $header_out['Cache-Control'] = 'no-cache, must-revalidate';     // HTTP/1.1
 869     $header_out['Expires']       = 'Mon, 26 Jul 1997 05:00:00 GMT'; // Date in the past
 870     $header_out['Content-type']  = 'text/html; charset="utf-8"';
 871
 872     log_load("index_rd_ifra_init.php");
 873
 874     if (($from  = gpcs_var('from', $get, $post, $cookie)) === FALSE)
 875         $from = "";
 876     if (($stat  = gpcs_var('stat', $get, $post, $cookie)) === FALSE)
 877         $stat = "";
 878     if (($subst = gpcs_var('subst', $get, $post, $cookie)) === FALSE)
 879         $subst = "";
 880     if (($step  = gpcs_var('step', $get, $post, $cookie)) === FALSE)
 881         unset($step);
 882
 883     $this->rd_data_set($curtime, $stat, $subst, $step, $from);
 884     $cc = get_called_class();
 885
 886     $body .= sprintf("<html>
 887 <head>
 888 <script type=\"text/javascript\" src=\"%scommons.js\"></script>
 889 <script type=\"text/javascript\" src=\"%sxynt-http-streaming-ifra.js\"></script>
 890 <script type=\"text/javascript\">
 891 var http_streaming = \"ready\";", self::base_get(), self::base_get());
 892     if ($this->rd_scristp > 0)
 893         $body .= sprintf("last_clean = %d;\n", ($this->rd_scristp-1));
 894     $body .= sprintf("
 895 window.onload = function () { if (http_streaming != \"ready\") { http_streaming.reload(); } };
 896 </script>
 897 </head>
 898 <body>");
 899     $body .= sprintf("<!-- \n%s -->\n", $G_four_rnd_string);
 900
 901     return TRUE;
 902 }
 903
 904 function stream_main(&$body, $get, $post, $cookie)
 905 {
 906     GLOBAL $is_page_streaming, $G_splash_idx;
 907     // FIXME: only to test fwrite
 908     // GLOBAL $G_four_rnd_string;
 909
 910     $CO_splashdate = "CO_splashdate".$G_splash_idx;
 911     if (($splashdate = gpcs_var("$CO_splashdate", $get, $post, $cookie)) === FALSE)
 912         $splashdate = "";
 913
 914     $is_page_streaming = FALSE;
 915     log_rd2("FROM OUTSIDE - STAT: ".$this->rd_stat." SUBST: ".$this->rd_subst." STEP: ".$this->rd_step." FROM: ".$this->rd_from. "IS_PAGE:" . $is_page_streaming);
 916
 917
 918     $pre_main = gettimeofday(TRUE);
 919
 920     $old_stat  = $this->rd_stat;
 921     $old_subst = $this->rd_subst;
 922     $old_step  = $this->rd_step;
 923     if (($ret = $this->maincheck($old_stat, $old_subst, $old_step, $this->rd_stat, $this->rd_subst, $this->rd_step, $splashdate)) != FALSE) {
 924         $body .= sprintf("<script id='hs%d' type='text/javascript'><!--
 925 push(\"%s\");
 926 // -->
 927 </script>", $this->rd_scristp++, escpush($ret) );
 928
 929         log_rd2(0, 'index_rd.php: after mop_flush (begin: '.sprintf("%f", $pre_main).')');
 930         if ($is_page_streaming)
 931             return TRUE;
 932     }
 933
 934     return TRUE;
 935 }
 936
 937 function stream_keepalive()
 938 {
 939     return (sprintf("<script id='hs%d' type='text/javascript'><!--
 940 push(null);
 941 // -->
 942 </script>", $this->rd_scristp++));
 943
 944 }
 945
 946 function stream_ping()
 947 {
 948     return (sprintf("<script id='hs%d' type='text/javascript'><!--
 949 push(\"act_ping();\");
 950 // -->
 951 </script>", $this->rd_scristp++));
 952
 953 }
 954
 955     static function base_get()
 956     {
 957         $c = get_called_class();
 958         printf("CALLED_CLASS: [%s]\n", $c);
 959         return $c::BASE;
 960     }
 961
 962 } // end class User
 963
 964
 965 ?>