web/Obj/sac-a-push.phh

   1 <?php
   2 /*
   3  *  brisk - Obj/sac-a-push.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
  25 define('SITE_PREFIX', '/brisk/');
  26 define('SITE_PREFIX_LEN', 7);
  27
  28 declare(ticks = 1);
  29
  30 function global_dump()
  31 {
  32     GLOBAL $G_alarm_passwd, $G_black_list, $G_btrace_pref_sub, $G_dbauth;
  33     GLOBAL $G_dbpfx, $G_donors_all, $G_donors_cur, $G_is_local, $G_lang;
  34     GLOBAL $G_poll_entries, $G_poll_name, $G_poll_title, $G_proxy_white_list;
  35     GLOBAL $G_room_roadmap, $G_shutdown, $G_sidebanner, $G_sidebanner2;
  36     GLOBAL $G_splash_content, $G_splash_contents, $G_splash_cont_idx;
  37     GLOBAL $G_splash_h, $G_splash_idx, $G_splash_interval, $G_splash_timeout;
  38     GLOBAL $G_splash_w, $G_topbanner, $G_with_donors, $G_with_poll;
  39     GLOBAL $G_with_sidebanner, $G_with_sidebanner2, $G_with_splash;
  40     GLOBAL $G_with_topbanner;
  41
  42     fprintf(STDERR, "G_alarm_passwd = [%s]\n", print_r($G_alarm_passwd, TRUE));
  43     fprintf(STDERR, "G_black_list = [%s]\n", print_r($G_black_list, TRUE));
  44     fprintf(STDERR, "G_btrace_pref_sub = [%s]\n", print_r($G_btrace_pref_sub, TRUE));
  45     fprintf(STDERR, "G_dbauth = [%s]\n", print_r($G_dbauth, TRUE));
  46     fprintf(STDERR, "G_dbpfx = [%s]\n", print_r($G_dbpfx, TRUE));
  47     fprintf(STDERR, "G_donors_all = [%s]\n", print_r($G_donors_all, TRUE));
  48     fprintf(STDERR, "G_donors_cur = [%s]\n", print_r($G_donors_cur, TRUE));
  49     fprintf(STDERR, "G_is_local = [%s]\n", print_r($G_is_local, TRUE));
  50     fprintf(STDERR, "G_lang = [%s]\n", print_r($G_lang, TRUE));
  51     fprintf(STDERR, "G_poll_entries = [%s]\n", print_r($G_poll_entries, TRUE));
  52     fprintf(STDERR, "G_poll_name = [%s]\n", print_r($G_poll_name, TRUE));
  53     fprintf(STDERR, "G_poll_title = [%s]\n", print_r($G_poll_title, TRUE));
  54     fprintf(STDERR, "G_proxy_white_list = [%s]\n", print_r($G_proxy_white_list, TRUE));
  55     fprintf(STDERR, "G_room_roadmap = [%s]\n", print_r($G_room_roadmap, TRUE));
  56     fprintf(STDERR, "G_shutdown = [%s]\n", print_r($G_shutdown, TRUE));
  57     fprintf(STDERR, "G_sidebanner = [%s]\n", print_r($G_sidebanner, TRUE));
  58     fprintf(STDERR, "G_sidebanner2 = [%s]\n", print_r($G_sidebanner2, TRUE));
  59     fprintf(STDERR, "G_splash_content = [%s]\n", print_r($G_splash_content, TRUE));
  60     fprintf(STDERR, "G_splash_contents = [%s]\n", print_r($G_splash_contents, TRUE));
  61     fprintf(STDERR, "G_splash_cont_idx = [%s]\n", print_r($G_splash_cont_idx, TRUE));
  62     fprintf(STDERR, "G_splash_h = [%s]\n", print_r($G_splash_h, TRUE));
  63     fprintf(STDERR, "G_splash_idx = [%s]\n", print_r($G_splash_idx, TRUE));
  64     fprintf(STDERR, "G_splash_interval = [%s]\n", print_r($G_splash_interval, TRUE));
  65     fprintf(STDERR, "G_splash_timeout = [%s]\n", print_r($G_splash_timeout, TRUE));
  66     fprintf(STDERR, "G_splash_w = [%s]\n", print_r($G_splash_w, TRUE));
  67     fprintf(STDERR, "G_topbanner = [%s]\n", print_r($G_topbanner, TRUE));
  68     fprintf(STDERR, "G_with_donors = [%s]\n", print_r($G_with_donors, TRUE));
  69     fprintf(STDERR, "G_with_poll = [%s]\n", print_r($G_with_poll, TRUE));
  70     fprintf(STDERR, "G_with_sidebanner = [%s]\n", print_r($G_with_sidebanner, TRUE));
  71     fprintf(STDERR, "G_with_sidebanner2 = [%s]\n", print_r($G_with_sidebanner2, TRUE));
  72     fprintf(STDERR, "G_with_splash = [%s]\n", print_r($G_with_splash, TRUE));
  73     fprintf(STDERR, "G_with_topbanner = [%s]\n", print_r($G_with_topbanner, TRUE));
  74 }
  75
  76 function pid_save()
  77 {
  78     $pid = getmypid();
  79     $fname = LEGAL_PATH."/brisk.pid";
  80
  81     if (file_exists($fname)) {
  82         log_crit("WARN: brisk.pid already exists");
  83     }
  84     file_put_contents($fname, sprintf("%d\n", $pid));
  85 }
  86
  87 function pid_remove()
  88 {
  89     $fname = LEGAL_PATH."/brisk.pid";
  90
  91     if (file_exists($fname)) {
  92         unlink($fname);
  93     }
  94 }
  95
  96 function post_manage(&$post, $line)
  97 {
  98     $a = explode('&', $line);
  99     for ($i = 0 ; $i < count($a) ; $i++) {
 100         $b = explode('=', $a[$i]);
 101         if (isset($b[0])) {
 102             if (isset($b[1])) {
 103                 $post[$b[0]] = urldecode($b[1]);
 104             }
 105             else {
 106                 $post[$b[0]] = "";
 107             }
 108         }
 109     }
 110 }
 111
 112 function spu_process_info($stream_info, &$method, &$header, &$get, &$post, &$cookie, &$rest, &$cont)
 113 {
 114     $check_post = FALSE;
 115     $header = array();
 116     $get = array();
 117     $post = array();
 118     $rest = 0;
 119     foreach(preg_split("/(\r?\n)/", $stream_info) as $line) {
 120         printf("LINE: [%s]\n", $line);
 121         if ($check_post) {
 122             if (!isset($header['The-Request'])) {
 123                 return FALSE;
 124             }
 125             $req = explode(" ", $header['The-Request']);
 126             $method = $req[0];
 127
 128             if (isset($header['Cookie'])) {
 129
 130                 // LINE: [Cookie:sess=50e053a9511ef; CO_splashdate4=1356420646; CO_list=all; table_idx=7; table_token=510d494986925; lang=it; CO_bin5_pref_ring_endauct=false; CO_splashdate5=1358372822; CO_splashdate1=1363203374; CO_splashdate2=1363374826; __utma=43654517.209888411.1356605271.1356605271.1356605271.1; __utmz=43654517.1356605271.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none)]
 131
 132                 $cookies = explode("; ", $header['Cookie']);
 133                 for ($i = 0 ; $i < count($cookies) ; $i++) {
 134                     $name = mb_strstr($cookies[$i], "=", TRUE, 'UTF-8');
 135                     if ($name == FALSE) {
 136                         if (mb_strlen($cookies[$i]) > 0) {
 137                             $cookie[$cookies[$i]] = "";
 138                         }
 139                         else {
 140                             printf("WARNING: malformat cookie element [%s]\n", $cookies[$i]);
 141                         }
 142                         continue;
 143                     }
 144
 145                     $value = mb_substr($cookies[$i], mb_strlen($name)+1, 10140, 'UTF-8');
 146                     $cookie[$name] = urldecode($value);
 147                 }
 148             }
 149             // GET params management
 150             $get_vars = explode('?', $req[1], 2);
 151             $path = $get_vars[0];
 152             if (count($get_vars) > 1) {
 153                 $a = explode('&', $get_vars[1]);
 154                 printf("A COUNT: [%s] %d\n", $a[0], count($a));
 155                 for ($i = 0 ; $i < count($a) ; $i++) {
 156                     $b = explode('=', $a[$i]);
 157                     $get[$b[0]] = urldecode($b[1]);
 158                 }
 159             }
 160             // POST params management
 161             if ($req[0] == 'POST') {
 162                 $conttype_all = explode(";", $header['Content-Type']);
 163                 $header['Content-Type'] = $conttype_all[0];
 164                 // $path_all[1-] other things like charset and so on
 165
 166                 // if (content-type is wrong || content-length isn't set)
 167                 //     return false
 168
 169                 if ($header['Content-Type'] != 'application/x-www-form-urlencoded'
 170                     || !isset($header['Content-Length'])) {
 171                     return FALSE;
 172                 }
 173                 $post_len = mb_strlen($line, "ASCII");
 174                 printf("INFO: postlen: %d\n", $post_len);
 175                 $rest = (int)($header['Content-Length']) - $post_len;
 176
 177                 if ($rest == 0) {
 178                     post_manage($post, $line);
 179                 }
 180                 else {
 181                     $cont = $line;
 182                 }
 183             }
 184             break;
 185         }
 186         if ($line == "") {
 187             $check_post = TRUE;
 188             continue;
 189         }
 190         $split = explode(":", $line, 2);
 191         $hea_id = trim(mb_convert_case($split[0], MB_CASE_TITLE, 'UTF-8'));
 192         $header[$hea_id] = $split[1];
 193     }
 194     return $path;
 195 }
 196
 197 function gpcs_var($name, $get, $post, $cookie)
 198 {
 199     if (isset($GLOBALS[$name]))
 200         return FALSE;
 201     else if (isset($cookie[$name]))
 202         return ($cookie[$name]);
 203     else if (isset($post[$name]))
 204         return ($post[$name]);
 205     else if (isset($get[$name]))
 206         return ($get[$name]);
 207
 208     return FALSE;
 209 }
 210
 211 function headers_render($header, $len)
 212 {
 213     $cookies = "";
 214
 215     if (isset($header['cookies'])) {
 216         $cookies = $header['cookies']->render();
 217         unset($header['cookies']);
 218     }
 219     if (isset($header['Location'])) {
 220         $s = sprintf("HTTP/1.1 302 OK\r\n%sLocation: %s\r\n", $cookies, $header['Location']);
 221     }
 222     else if (isset($header['HTTP-Response'])) {
 223         $s = sprintf("HTTP/1.1 %s\r\n", $header['HTTP-Response']);
 224     }
 225     else {
 226         $s = "HTTP/1.1 200 OK\r\n";
 227
 228         if (!isset($header['Date']))
 229             $s .= sprintf("Date: %s\r\n", date(DATE_RFC822));
 230         if (!isset($header['Connection']))
 231             $s .= "Connection: close\r\n";
 232         if (!isset($header['Content-Type']))
 233             $s .= "Content-Type: text/html\r\n";
 234         foreach($header as $key => $value) {
 235             $s .= sprintf("%s: %s\r\n", $key, $value);
 236         }
 237         if ($len >= 0) {
 238             $s .= sprintf("Content-Length: %d\r\n", $len);
 239         }
 240         else {
 241             $s .= "Cache-Control: no-cache, must-revalidate\r\n";
 242             $s .= "Expires: Mon, 26 Jul 1997 05:00:00 GMT\r\n";
 243             if (!isset($header['Content-Encoding'])) {
 244                 $s .= "Content-Encoding: chunked\r\n";
 245             }
 246             $s .= "Transfer-Encoding: chunked\r\n";
 247         }
 248         $s .= $cookies;
 249     }
 250     $s .= "\r\n";
 251
 252     return ($s);
 253 }
 254
 255 /*
 256  *  Caching system using ob php system to cache old style pages
 257  *  to a var and than send it with more calm
 258  */
 259
 260 function shutta()
 261 {
 262   log_rd2("SHUTTA [".connection_status()."] !");
 263 }
 264
 265 register_shutdown_function('shutta');
 266
 267 /*
 268  *  MAIN
 269  */
 270
 271 function chunked_content($zls, $content)
 272 {
 273     if ($zls) {
 274         $cont_comp = $zls->compress_chunk($content);
 275     }
 276     else {
 277         $cont_comp = $content;
 278     }
 279     $cont_comp_l = mb_strlen($cont_comp, "ASCII");
 280     // printf("CHUNK: [%s]\n", $content);
 281
 282     return (sprintf("%X\r\n", $cont_comp_l).$cont_comp."\r\n");
 283 }
 284
 285 function chunked_fini()
 286 {
 287     return sprintf("0\r\n");
 288 }
 289
 290 function get_encoding($header)
 291 {
 292     $enc = "plain";
 293     if (isset($header['Accept-Encoding'])) {
 294         $acc = explode(',', $header['Accept-Encoding']);
 295
 296         if (array_search('gzip', $acc) !== FALSE) {
 297             $enc = 'gzip';
 298         }
 299         else if (array_search('deflate', $acc) !== FALSE) {
 300             $enc = 'deflate';
 301         }
 302     }
 303
 304     return ($enc);
 305 }
 306
 307 class Cookie {
 308     var $attr;
 309     // Set-Cookie: reg_fb_gate=deleted; Expires=Thu, 01-Jan-1970 00:00:01 GMT; Path=/; Domain=.foo.com; HttpOnly
 310     // string $name  [, string $value  [, int $expire = 0  [, string $path  [, string $domain  [, bool $secure = false  [, bool $httponly = false  ]]]]]] )
 311     function Cookie()
 312     {
 313         $this->attr = array();
 314     }
 315
 316     static function create($name)
 317     {
 318         $thiz = new Cookie();
 319
 320         $thiz->attr[$name] = "";
 321
 322         $argc = func_num_args();
 323         for ($i = 1 ; $i < $argc ; $i++) {
 324             $arg = func_get_arg($i);
 325             switch ($i) {
 326             case 1:
 327                 $thiz->attr[$name] = urlencode($arg);
 328                 break;
 329             case 2:
 330                 $thiz->attr['Expires'] = gmdate('D, d M Y H:i:s \G\M\T', $arg); // RFC 1211 format
 331                 break;
 332             case 3:
 333                 $thiz->attr['Path'] = $arg;
 334                 break;
 335             case 4:
 336                 $thiz->attr['Domain'] = $arg;
 337                 break;
 338             case 5:
 339                 if ($arg == TRUE) {
 340                     $thiz->attr['Secure'] = NULL;
 341                 }
 342                 break;
 343             case 6:
 344                 if ($arg == TRUE) {
 345                     $thiz->attr['HttpOnly'] = NULL;
 346                 }
 347                 break;
 348             default:
 349                 return FALSE;
 350             }
 351         }
 352
 353         return $thiz;
 354     }
 355
 356     function render()
 357     {
 358         $r = "Set-Cookie: ";
 359         $isfirst = TRUE;
 360
 361         foreach ($this->attr as $k => $v) {
 362             if ($v == NULL) {
 363                 $r .= sprintf("%s%s", ($isfirst ? "" : "; "), $k);
 364             }
 365             else {
 366                 $r .= sprintf("%s%s=%s", ($isfirst ? "" : "; "), $k, $v);
 367             }
 368             $isfirst = FALSE;
 369         }
 370         $r .= "\r\n";
 371
 372         return $r;
 373     }
 374 }
 375
 376 class Cookies {
 377     var $cookies;
 378
 379     function Cookies()
 380     {
 381         $this->cookies = array();
 382     }
 383
 384     function add($name)
 385     {
 386         if (($cookie = call_user_func_array("Cookie::create", func_get_args())) == FALSE)
 387             return (FALSE);
 388
 389         array_push($this->cookies, $cookie);
 390
 391         return (TRUE);
 392     }
 393
 394     function render()
 395     {
 396         $r = "";
 397         foreach ($this->cookies as $cookie) {
 398             $r .= $cookie->render();
 399         }
 400
 401         return ($r);
 402     }
 403 }
 404
 405
 406 class Sac_a_push {
 407     // maybe fixed_fd is unuseful
 408     static $fixed_fd = 3;
 409     static $cnt_master = NULL;
 410     static $cnt_slave  = NULL;
 411
 412     var $file_socket;
 413     var $unix_socket;
 414     var $socks;
 415     var $s2u;             // user associated with input socket
 416     var $s2p;             // pending page associated with input socket
 417     var $pending_pages;
 418
 419     var $list;
 420     var $in;
 421
 422     var $debug;
 423     var $blocking_mode;
 424
 425     var $app;
 426
 427     var $curtime;
 428
 429     var $rndstr;
 430     var $main_loop;
 431
 432     function Sac_a_push()
 433     {
 434     }
 435
 436     function sig_handler($sig)
 437     {
 438         switch ($sig) {
 439         case SIGINT:
 440             exit(1);
 441             break;
 442         case SIGTERM:
 443             if (static::$cnt_master != NULL) {
 444                     fwrite(static::$cnt_master, "\nshutdown\n");
 445                     fflush(static::$cnt_master);
 446             }
 447             else {
 448                 exit(1);
 449             }
 450             break;
 451         case SIGHUP:
 452             if (static::$cnt_master != NULL) {
 453                 fwrite(static::$cnt_master, "\nreload\n");
 454                 fflush(static::$cnt_master);
 455             }
 456             break;
 457         }
 458     }
 459
 460     static function create(&$app, $sockname, $debug, $blocking_mode)
 461     {
 462         $thiz = new Sac_a_push();
 463
 464         $thiz->app = $app;
 465         $thiz->file_socket = $sockname;
 466         $thiz->unix_socket = "unix://$sockname";
 467         $thiz->debug = $debug;
 468         $thiz->socks = array();
 469         $thiz->s2u  = array();
 470         $thiz->s2p  = array();
 471         $thiz->pending_pages = array();
 472
 473         // create a couple of sockets for control management
 474         if (($sockpair = stream_socket_pair(STREAM_PF_UNIX, STREAM_SOCK_STREAM,
 475                                             STREAM_IPPROTO_IP)) == FALSE) {
 476             return FALSE;
 477         }
 478         static::$cnt_master = $sockpair[0];
 479         static::$cnt_slave  = $sockpair[1];
 480
 481         pcntl_signal(SIGTERM, array("Sac_a_push", "sig_handler"));
 482         pcntl_signal(SIGINT, array("Sac_a_push", "sig_handler"));
 483         pcntl_signal(SIGHUP, array("Sac_a_push", "sig_handler"));
 484
 485         $thiz->blocking_mode = 0; // 0 for non-blocking
 486
 487         $thiz->rndstr = "";
 488         for ($i = 0 ; $i < 4096 ; $i++) {
 489             if (($i % 128) == 0)
 490                 $thiz->rndstr .= " ";
 491             else
 492                 $thiz->rndstr .= chr(mt_rand(65, 90));
 493         }
 494
 495         if (file_exists($thiz->file_socket)) {
 496             unlink($thiz->file_socket);
 497         }
 498
 499         $old_umask = umask(0);
 500         if (($thiz->list = stream_socket_server($thiz->unix_socket, $err, $errs)) === FALSE) {
 501             return (FALSE);
 502         }
 503         umask($old_umask);
 504         stream_set_blocking($thiz->list, $thiz->blocking_mode); # Set the stream to non-blocking
 505
 506         if (($thiz->in = fopen("php://stdin", "r")) === FALSE) {
 507             return(FALSE);
 508         }
 509
 510         $thiz->main_loop = FALSE;
 511
 512         return ($thiz);
 513     }
 514
 515     function socks_set($sock, $user, $pendpage)
 516     {
 517         $id = intval($sock);
 518
 519         $this->socks[$id] = $sock;
 520         if ($user != NULL)
 521             $this->s2u[$id]   = $user;
 522         if ($pendpage != NULL)
 523             $this->s2p[$id]   = $pendpage;
 524     }
 525
 526     function socks_unset($sock)
 527     {
 528         $id = intval($sock);
 529
 530         if (isset($this->s2u[$id]))
 531             unset($this->s2u[$id]);
 532         if (isset($this->s2p[$id]))
 533             unset($this->s2p[$id]);
 534         unset($this->socks[$id]);
 535     }
 536
 537     function pendpage_try_addcont(&$new_socket, $tout, $method, $header, $get, $post, $cookie, $path, $addr, $rest, $cont)
 538     {
 539         $pendpage = PendingPage::pendingpage_continue(&$new_socket, $this->curtime, $tout, $method,
 540                                                            $header,           $get, $post, $cookie,
 541                                                              $path,          $addr, $rest, $cont);
 542
 543         $pendpage->try_flush($this->curtime);
 544         // Add $pendpage to the pendpage array (in any case)
 545         fprintf(STDERR, "IMPORTANT: Pendadd: %d\n", $pendpage->status);
 546         $this->pendpage_add($pendpage);
 547     }
 548
 549     function pendpage_try_addflush(&$new_socket, $tout, $enc, $header_out, $content)
 550     {
 551         $pendpage = PendingPage::pendingpage_flushing($new_socket, $this->curtime, $tout, $enc, $header_out, $content);
 552
 553         if ($pendpage->try_flush($this->curtime) == FALSE) {
 554             // Add $pendpage to the pendpage array
 555             $this->pendpage_add($pendpage);
 556         }
 557     }
 558
 559     function pendpage_add($pendpage)
 560     {
 561         array_push($this->pending_pages, $pendpage);
 562         $this->socks_set($pendpage->socket_get(), NULL, $pendpage);
 563     }
 564
 565     function pendpage_rem($pendpage)
 566     {
 567         $sock = $pendpage->socket_get();
 568         if (($key = array_search($pendpage, $this->pending_pages)) !== FALSE) {
 569             unset($this->pending_pages[$key]);
 570         }
 571         else {
 572             fprintf(STDERR, "WARNING: pendpage not found\n");
 573         }
 574         $this->socks_unset($sock);
 575         fprintf(STDERR, "PP_REM: %d\n", intval($sock));
 576     }
 577
 578
 579     function pendpage_try_addwait(&$new_socket, $tout, $method, $header, $get, $post, $cookie, $path, $addr, $rest, $cont)
 580     {
 581         $pendpage = PendingPage::pendingpage_waiting($new_socket, $this->curtime, $tout, $method, $header, $get, $post, $cookie, $path, $addr, $rest, $cont);
 582         /*
 583         if ($pendpage->try_flush($this->curtime) == FALSE) {
 584             // Add $pendpage to the pendpage array
 585             */
 586         $this->pendpage_add($pendpage);
 587         /*
 588         }
 589         */
 590     }
 591
 592     function garbage_manager($force)
 593     {
 594         $this->app->garbage_manager($force);
 595
 596         foreach ($this->socks as $k => $sock) {
 597             $id = intval($sock);
 598             if (isset($this->s2u[$id])) {
 599                 if ($this->s2u[$id]->sess == '') {
 600                     if ($this->s2u[$id]->rd_socket_get() != NULL) {
 601                         $this->s2u[$id]->rd_socket_set(NULL);
 602                     }
 603                     unset($this->socks[$id]);
 604                     unset($this->s2u[$id]);
 605                     fclose($sock);
 606                     printf("CLOSE ON GARBAGE MANAGER\n");
 607                 }
 608             }
 609         }
 610     }
 611
 612     function run()
 613     {
 614         GLOBAL $DOCUMENT_ROOT, $HTTP_HOST;
 615
 616         GLOBAL $G_alarm_passwd, $G_black_list, $G_btrace_pref_sub, $G_dbauth;
 617         GLOBAL $G_dbpfx, $G_donors_all, $G_donors_cur, $G_is_local, $G_lang;
 618         GLOBAL $G_poll_entries, $G_poll_name, $G_poll_title, $G_proxy_white_list;
 619         GLOBAL $G_room_roadmap, $G_shutdown, $G_sidebanner, $G_sidebanner2;
 620         GLOBAL $G_splash_content, $G_splash_contents, $G_splash_cont_idx;
 621         GLOBAL $G_splash_h, $G_splash_idx, $G_splash_interval, $G_splash_timeout;
 622         GLOBAL $G_splash_w, $G_topbanner, $G_with_donors, $G_with_poll;
 623         GLOBAL $G_with_sidebanner, $G_with_sidebanner2, $G_with_splash;
 624         GLOBAL $G_with_topbanner;
 625
 626         if ($this->main_loop) {
 627             return (FALSE);
 628         }
 629
 630         $this->main_loop = TRUE;
 631
 632         while ($this->main_loop) {
 633             $this->curtime = time();
 634             fprintf(STDERR, "IN LOOP: Current opened: %d  pending_pages: %d\n", count($this->socks), count($this->pending_pages));
 635
 636             /* Prepare the read array */
 637             /* // when we manage it ... */
 638             /* if ($shutdown)  */
 639             /*     $read   = array_merge(array("$in" => $in), $socks); */
 640             /* else */
 641             $read   = array_merge(array(intval($this->list) => $this->list, intval($this->in) => $this->in,
 642                                         intval(static::$cnt_slave) => static::$cnt_slave),
 643                                   $this->socks);
 644
 645             if ($this->debug > 1) {
 646                 printf("PRE_SELECT\n");
 647                 print_r($read);
 648             }
 649             $write  = NULL;
 650             $except = NULL;
 651             $num_changed_sockets = @stream_select($read, $write, $except, 0, 500000);
 652
 653             if ($num_changed_sockets == 0) {
 654                 printf(" no data in 5 secs, splash [%d]\n", $G_with_splash);
 655             }
 656             else if ($num_changed_sockets > 0) {
 657                 printf("num sock %d num_of_socket: %d\n", $num_changed_sockets, count($read));
 658                 if ($this->debug > 1) {
 659                     print_r($read);
 660                 }
 661                 /* At least at one of the sockets something interesting happened */
 662                 foreach ($read as $i => $sock) {
 663                     $id = intval($sock);
 664                     $manage_page = FALSE;
 665                     /* is_resource check is required because there is the possibility that
 666                        during new request an old connection is closed */
 667                     if (!is_resource($sock)) {
 668                         continue;
 669                     }
 670                     if ($sock === $this->list) {
 671                         printf("NUOVA CONNEX\n");
 672                         if (($new_unix = stream_socket_accept($this->list)) == FALSE) {
 673                             printf("SOCKET_ACCEPT FAILED\n");
 674                             continue;
 675                         }
 676                         $stream_info = "";
 677                         $method      = "";
 678                         $get         = array();
 679                         $post        = array();
 680                         $cookie      = array();
 681                         $rest        = 0;
 682                         $cont        = "";
 683                         if (($new_socket = ancillary_getstream($new_unix, $stream_info)) !== FALSE) {
 684                             printf("NEW_SOCKET: %d\n", intval($new_socket));
 685                             stream_set_blocking($new_socket, $this->blocking_mode); // Set the stream to non-blocking
 686                             printf("RECEIVED HEADER:\n%s", $stream_info);
 687                             if (($path = spu_process_info($stream_info, $method, $header,
 688                                                           $get, $post, $cookie, $rest, $cont))
 689                                 == FALSE) {
 690                                 fprintf(STDERR, "TODO: fix wrong header management\n");
 691                             }
 692                             $addr = stream_socket_get_name($new_socket, TRUE);
 693                             printf("PATH: [%s]\n", $path);
 694                             if ($method == "POST" && $rest > 0) {
 695                                 if (isset($header['Expect']) && $header['Expect'] == '100-continue') {
 696                                     fprintf(STDERR, "\nPOSTA DE CHE\n\n");
 697                                     $this->pendpage_try_addcont($new_socket, 20,
 698                                                                 $method, $header, $get, $post, $cookie,
 699                                                                 $path, $addr, $rest, $cont);
 700                                 }
 701                                 else {
 702                                     $this->pendpage_try_addwait($new_socket, 20,
 703                                                                 $method, $header, $get, $post, $cookie,
 704                                                                 $path, $addr, $rest, $cont);
 705                                 }
 706                             }
 707                             else {
 708                                 $manage_page = TRUE;
 709                             }
 710
 711                             printf("number of sockets after %d\n", count($this->socks));
 712                         }
 713                         else {
 714                             printf("WARNING: ancillary_getstream failed\n");
 715                         }
 716                     }
 717                     else {
 718                         $buf = fread($sock, 4096);
 719                         // if socket is closed
 720                         if ($buf == FALSE || mb_strlen($buf, "ASCII") == 0) {
 721                             // close socket case
 722                             if ($buf == FALSE) {
 723                                 printf("ERROR READING\n");
 724                             }
 725                             if ($sock === $this->list) {
 726                                 printf("Arrivati %d bytes da list\n", mb_strlen($buf, "ASCII"));
 727                                 return(21);
 728                             }
 729                             else if ($sock === $this->in || $sock === static::$cnt_slave) {
 730                                 printf("Arrivati %d bytes da stdin\n", mb_strlen($buf, "ASCII"));
 731                                 return(22);
 732                             }
 733                             else {
 734                                 unset($this->socks[$id]);
 735                                 if (isset($this->s2u[$id])) {
 736                                     // $user_a[$s2u[$id]]->disable();
 737                                     if ($this->s2u[$id]->rd_socket_get() != NULL) {
 738                                         $this->s2u[$id]->rd_socket_set(NULL);
 739                                     }
 740                                     unset($this->s2u[$id]);
 741                                 }
 742                             }
 743                             fclose($sock);
 744                             printf("CLOSE ON READ\n");
 745
 746                             if ($this->debug > 1) {
 747                                 printf("post unset\n");
 748                                 print_r($this->socks);
 749                             }
 750                         }
 751                         else {
 752                             if ($this->debug > 1) {
 753                                 print_r($read);
 754                             }
 755                             if ($sock === $this->list) {
 756                                 printf("Arrivati %d bytes da list\n", mb_strlen($buf, "ASCII"));
 757                             }
 758                             else if ($sock === $this->in || $sock === static::$cnt_slave) {
 759                                 printf("Arrivati %d bytes da stdin\n", mb_strlen($buf, "ASCII"));
 760                                 $line = trim($buf);
 761                                 if ($line == "reload") {
 762                                     require("$DOCUMENT_ROOT/Etc/".BRISK_CONF);
 763
 764                                     global_dump();
 765                                 }
 766                                 else if ($line == "shutdown") {
 767                                     if ($this->app->dump_data()) {
 768                                         return(0);
 769                                     }
 770                                     else {
 771                                         return(1);
 772                                     }
 773                                 }
 774                             }
 775                             else {
 776                                 $key = array_search("$sock", $this->socks);
 777                                 fprintf(STDERR, "Arrivati %d bytes dalla socket n. %d\n", mb_strlen($buf, "ASCII"), $key);
 778                                 if (isset($this->s2p[$id])) {
 779                                     $this->s2p[$id]->rest -= mb_strlen($buf, "ASCII");
 780                                     $this->s2p[$id]->cont .= $buf;
 781                                     if ($this->s2p[$id]->rest <= 0) {
 782                                         $header = $new_socket = $path = $addr = $get = $cookie = 0;
 783                                         $post = array();
 784
 785                                         $this->s2p[$id]->context_get($header, $new_socket, $path, $addr, $get, $post, $cookie);
 786                                         $this->pendpage_rem($this->s2p[$id]);
 787                                         fprintf(STDERR, "SOCKET RUN: %s\n", $new_socket);
 788
 789                                         $manage_page = TRUE;
 790                                     }
 791                                 }
 792                             }
 793                         }
 794                     }
 795
 796                     if ($manage_page == TRUE) {
 797                         printf("M: %s\nHEADER:\n", $method);
 798                         print_r($header);
 799                         printf("GET:\n");
 800                         print_r($get);
 801                         printf("POST:\n");
 802                         print_r($post);
 803                         printf("COOKIE:\n");
 804                         print_r($cookie);
 805
 806                         $header_out = array();
 807                         // TODO: MOVE DOWN request_mgr to factorize new_sockets and POST closed
 808                         $rret = FALSE;
 809                         if (!strncmp($path, SITE_PREFIX, SITE_PREFIX_LEN)) {
 810                             $rret = $this->app->request_mgr($this, $header, $header_out, $new_socket, substr($path, SITE_PREFIX_LEN), $addr, $get, $post, $cookie);
 811                         }
 812                         fprintf(STDERR, "\n\n DI QUI PASSA [%s]\n\n", $rret);
 813                         if ($rret == FALSE) {
 814                             // FIXME: manage 404 !!!
 815                             printf("TODO: fix unknown page\n");
 816                         }
 817                     }
 818                 }
 819             }
 820
 821             $this->garbage_manager(FALSE);
 822
 823             /* manage unfinished pages */
 824             foreach ($this->pending_pages as $k => $pendpage) {
 825                 // TODO: try_flush if exists in the class
 826                 if ($pendpage->try_flush($this->curtime) == TRUE) {
 827                     unset($this->pending_pages[$k]);
 828                 }
 829             }
 830
 831             /*
 832                $response:                        raw stream data not sent
 833                $content:                         html consistent data (<script bla bla>)
 834                $user->stream_keepalive($w_ping)  ping srv->cli OR srv->cli + cli->srv if $w_ping == TRUE
 835             */
 836
 837             /* manage open streaming */
 838             foreach ($this->socks as $k => $sock) {
 839                 $id = intval($sock);
 840                 if (isset($this->s2u[$id])) {
 841                     $user = $this->s2u[$id];
 842                     $response = $user->rd_cache_get();
 843                     $do_ping = FALSE;
 844                     if (($this->curtime - $user->lacc) > (EXPIRE_TIME_RD / 3)) {
 845                         $do_ping = TRUE;
 846                     }
 847                     else {
 848                         $user->ping_req = FALSE;
 849                     }
 850
 851                     if ($response == "") {
 852                         $content = "";
 853                         $user->stream_main($content, $get, $post, $cookie);
 854                         printf("[%s] [%d] [%d]\n", $user->name, $user->lacc, $this->curtime);
 855                         if ($do_ping && $user->ping_req == FALSE) {
 856                             $content .= $user->stream_keepalive(TRUE);
 857                             $user->ping_req = TRUE;
 858                         }
 859                         else if ($content == "" && $user->rd_kalive_is_expired($this->curtime)) {
 860                             $content = $user->stream_keepalive(FALSE);
 861                         }
 862                         if ($content != "") {
 863                             $response = chunked_content($user->rd_zls_get(), $content);
 864                         }
 865                     }
 866
 867                     if ($response != "") {
 868                         // echo "SPIA: [".substr($response, 0, 60)."...]\n";
 869                         // echo "SPIA: [".$response."]\n";
 870                         $response_l = mb_strlen($response, "ASCII");
 871                         $wret = @fwrite($sock, $response);
 872                         if ($wret < $response_l) {
 873                             printf("TROUBLE WITH FWRITE: %d\n", $wret);
 874                             $user->rd_cache_set(mb_substr($response, $wret, $response_l - $wret, "ASCII"));
 875                         }
 876                         else {
 877                             $user->rd_cache_set("");
 878                         }
 879                         fflush($sock);
 880                         $user->rd_kalive_reset($this->curtime);
 881                     }
 882
 883                     // close socket after a while to prevent client memory consumption
 884                     if ($user->rd_endtime_is_expired($this->curtime)) {
 885                         if ($this->s2u[$id]->rd_socket_get() != NULL) {
 886                             $this->s2u[$id]->rd_socket_set(NULL);
 887                         }
 888                         unset($this->socks[$id]);
 889                         unset($this->s2u[$id]);
 890                         fclose($sock);
 891                         printf("CLOSE ON LOOP\n");
 892                     }
 893                 }
 894             }  // foreach ($this->socks...
 895             printf("\n");
 896         }  // while (...
 897     }  // function run(...
 898 }
 899
 900 ?>