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 get_encoding($header)
 272 {
 273     $enc = "plain";
 274     if (isset($header['Accept-Encoding'])) {
 275         $acc = explode(',', $header['Accept-Encoding']);
 276
 277         if (array_search('gzip', $acc) !== FALSE) {
 278             $enc = 'gzip';
 279         }
 280         else if (array_search('deflate', $acc) !== FALSE) {
 281             $enc = 'deflate';
 282         }
 283     }
 284
 285     return ($enc);
 286 }
 287
 288 class Cookie {
 289     var $attr;
 290     // Set-Cookie: reg_fb_gate=deleted; Expires=Thu, 01-Jan-1970 00:00:01 GMT; Path=/; Domain=.foo.com; HttpOnly
 291     // string $name  [, string $value  [, int $expire = 0  [, string $path  [, string $domain  [, bool $secure = false  [, bool $httponly = false  ]]]]]] )
 292     function Cookie()
 293     {
 294         $this->attr = array();
 295     }
 296
 297     static function create($name)
 298     {
 299         $thiz = new Cookie();
 300
 301         $thiz->attr[$name] = "";
 302
 303         $argc = func_num_args();
 304         for ($i = 1 ; $i < $argc ; $i++) {
 305             $arg = func_get_arg($i);
 306             switch ($i) {
 307             case 1:
 308                 $thiz->attr[$name] = urlencode($arg);
 309                 break;
 310             case 2:
 311                 $thiz->attr['Expires'] = gmdate('D, d M Y H:i:s \G\M\T', $arg); // RFC 1211 format
 312                 break;
 313             case 3:
 314                 $thiz->attr['Path'] = $arg;
 315                 break;
 316             case 4:
 317                 $thiz->attr['Domain'] = $arg;
 318                 break;
 319             case 5:
 320                 if ($arg == TRUE) {
 321                     $thiz->attr['Secure'] = NULL;
 322                 }
 323                 break;
 324             case 6:
 325                 if ($arg == TRUE) {
 326                     $thiz->attr['HttpOnly'] = NULL;
 327                 }
 328                 break;
 329             default:
 330                 return FALSE;
 331             }
 332         }
 333
 334         return $thiz;
 335     }
 336
 337     function render()
 338     {
 339         $r = "Set-Cookie: ";
 340         $isfirst = TRUE;
 341
 342         foreach ($this->attr as $k => $v) {
 343             if ($v == NULL) {
 344                 $r .= sprintf("%s%s", ($isfirst ? "" : "; "), $k);
 345             }
 346             else {
 347                 $r .= sprintf("%s%s=%s", ($isfirst ? "" : "; "), $k, $v);
 348             }
 349             $isfirst = FALSE;
 350         }
 351         $r .= "\r\n";
 352
 353         return $r;
 354     }
 355 }
 356
 357 class Cookies {
 358     var $cookies;
 359
 360     function Cookies()
 361     {
 362         $this->cookies = array();
 363     }
 364
 365     function add($name)
 366     {
 367         if (($cookie = call_user_func_array("Cookie::create", func_get_args())) == FALSE)
 368             return (FALSE);
 369
 370         array_push($this->cookies, $cookie);
 371
 372         return (TRUE);
 373     }
 374
 375     function render()
 376     {
 377         $r = "";
 378         foreach ($this->cookies as $cookie) {
 379             $r .= $cookie->render();
 380         }
 381
 382         return ($r);
 383     }
 384 }
 385
 386
 387 class Sac_a_push {
 388     // maybe fixed_fd is unuseful
 389     static $fixed_fd = 3;
 390     static $cnt_master = NULL;
 391     static $cnt_slave  = NULL;
 392
 393     var $file_socket;
 394     var $unix_socket;
 395     var $socks;
 396     var $s2u;             // user associated with input socket
 397     var $s2p;             // pending page associated with input socket
 398     var $pending_pages;
 399
 400     var $list;
 401     var $in;
 402
 403     var $debug;
 404     var $blocking_mode;
 405
 406     var $app;
 407
 408     var $curtime;
 409
 410     var $rndstr;
 411     var $main_loop;
 412
 413     function Sac_a_push()
 414     {
 415     }
 416
 417     function sig_handler($sig)
 418     {
 419         switch ($sig) {
 420         case SIGINT:
 421             exit(1);
 422             break;
 423         case SIGTERM:
 424             if (static::$cnt_master != NULL) {
 425                     fwrite(static::$cnt_master, "\nshutdown\n");
 426                     fflush(static::$cnt_master);
 427             }
 428             else {
 429                 exit(1);
 430             }
 431             break;
 432         case SIGHUP:
 433             if (static::$cnt_master != NULL) {
 434                 fwrite(static::$cnt_master, "\nreload\n");
 435                 fflush(static::$cnt_master);
 436             }
 437             break;
 438         }
 439     }
 440
 441     static function create(&$app, $sockname, $debug, $blocking_mode)
 442     {
 443         $thiz = new Sac_a_push();
 444
 445         $thiz->app = $app;
 446         $thiz->file_socket = $sockname;
 447         $thiz->unix_socket = "unix://$sockname";
 448         $thiz->debug = $debug;
 449         $thiz->socks = array();
 450         $thiz->s2u  = array();
 451         $thiz->s2p  = array();
 452         $thiz->pending_pages = array();
 453
 454         // create a couple of sockets for control management
 455         if (($sockpair = stream_socket_pair(STREAM_PF_UNIX, STREAM_SOCK_STREAM,
 456                                             STREAM_IPPROTO_IP)) == FALSE) {
 457             return FALSE;
 458         }
 459         static::$cnt_master = $sockpair[0];
 460         static::$cnt_slave  = $sockpair[1];
 461
 462         pcntl_signal(SIGTERM, array("Sac_a_push", "sig_handler"));
 463         pcntl_signal(SIGINT, array("Sac_a_push", "sig_handler"));
 464         pcntl_signal(SIGHUP, array("Sac_a_push", "sig_handler"));
 465
 466         $thiz->blocking_mode = 0; // 0 for non-blocking
 467
 468         $thiz->rndstr = "";
 469         for ($i = 0 ; $i < 4096 ; $i++) {
 470             if (($i % 128) == 0)
 471                 $thiz->rndstr .= " ";
 472             else
 473                 $thiz->rndstr .= chr(mt_rand(65, 90));
 474         }
 475
 476         if (file_exists($thiz->file_socket)) {
 477             unlink($thiz->file_socket);
 478         }
 479
 480         $old_umask = umask(0);
 481         if (($thiz->list = stream_socket_server($thiz->unix_socket, $err, $errs)) === FALSE) {
 482             return (FALSE);
 483         }
 484         umask($old_umask);
 485         stream_set_blocking($thiz->list, $thiz->blocking_mode); # Set the stream to non-blocking
 486
 487         if (($thiz->in = fopen("php://stdin", "r")) === FALSE) {
 488             return(FALSE);
 489         }
 490
 491         $thiz->main_loop = FALSE;
 492
 493         return ($thiz);
 494     }
 495
 496     function socks_set($sock, $user, $pendpage)
 497     {
 498         $id = intval($sock);
 499
 500         $this->socks[$id] = $sock;
 501         if ($user != NULL)
 502             $this->s2u[$id]   = $user;
 503         if ($pendpage != NULL)
 504             $this->s2p[$id]   = $pendpage;
 505     }
 506
 507     function socks_unset($sock)
 508     {
 509         $id = intval($sock);
 510
 511         if (isset($this->s2u[$id]))
 512             unset($this->s2u[$id]);
 513         if (isset($this->s2p[$id]))
 514             unset($this->s2p[$id]);
 515         unset($this->socks[$id]);
 516     }
 517
 518     function pendpage_try_addcont(&$new_socket, $tout, $method, $header, $get, $post, $cookie, $path, $addr, $rest, $cont)
 519     {
 520         $pendpage = PendingPage::pendingpage_continue(&$new_socket, $this->curtime, $tout, $method,
 521                                                            $header,           $get, $post, $cookie,
 522                                                              $path,          $addr, $rest, $cont);
 523
 524         $pendpage->try_flush($this->curtime);
 525         // Add $pendpage to the pendpage array (in any case)
 526         fprintf(STDERR, "IMPORTANT: Pendadd: %d\n", $pendpage->status);
 527         $this->pendpage_add($pendpage);
 528     }
 529
 530     function pendpage_try_addflush(&$new_socket, $tout, $enc, $header_out, $content)
 531     {
 532         $pendpage = PendingPage::pendingpage_flushing($new_socket, $this->curtime, $tout, $enc, $header_out, $content);
 533
 534         if ($pendpage->try_flush($this->curtime) == FALSE) {
 535             // Add $pendpage to the pendpage array
 536             $this->pendpage_add($pendpage);
 537         }
 538     }
 539
 540     function pendpage_add($pendpage)
 541     {
 542         array_push($this->pending_pages, $pendpage);
 543         $this->socks_set($pendpage->socket_get(), NULL, $pendpage);
 544     }
 545
 546     function pendpage_rem($pendpage)
 547     {
 548         $sock = $pendpage->socket_get();
 549         if (($key = array_search($pendpage, $this->pending_pages)) !== FALSE) {
 550             unset($this->pending_pages[$key]);
 551         }
 552         else {
 553             fprintf(STDERR, "WARNING: pendpage not found\n");
 554         }
 555         $this->socks_unset($sock);
 556         fprintf(STDERR, "PP_REM: %d\n", intval($sock));
 557     }
 558
 559
 560     function pendpage_try_addwait(&$new_socket, $tout, $method, $header, $get, $post, $cookie, $path, $addr, $rest, $cont)
 561     {
 562         $pendpage = PendingPage::pendingpage_waiting($new_socket, $this->curtime, $tout, $method, $header, $get, $post, $cookie, $path, $addr, $rest, $cont);
 563         /*
 564         if ($pendpage->try_flush($this->curtime) == FALSE) {
 565             // Add $pendpage to the pendpage array
 566             */
 567         $this->pendpage_add($pendpage);
 568         /*
 569         }
 570         */
 571     }
 572
 573     function garbage_manager($force)
 574     {
 575         $this->app->garbage_manager($force);
 576
 577         foreach ($this->socks as $k => $sock) {
 578             $id = intval($sock);
 579             if (isset($this->s2u[$id])) {
 580                 if ($this->s2u[$id]->sess == '') {
 581                     if ($this->s2u[$id]->rd_socket_get() != NULL) {
 582                         $this->s2u[$id]->rd_socket_set(NULL);
 583                     }
 584                     unset($this->socks[$id]);
 585                     unset($this->s2u[$id]);
 586                     fclose($sock);
 587                     printf("CLOSE ON GARBAGE MANAGER\n");
 588                 }
 589             }
 590         }
 591     }
 592
 593     function run()
 594     {
 595         GLOBAL $DOCUMENT_ROOT, $HTTP_HOST;
 596
 597         GLOBAL $G_alarm_passwd, $G_black_list, $G_btrace_pref_sub, $G_dbauth;
 598         GLOBAL $G_dbpfx, $G_donors_all, $G_donors_cur, $G_is_local, $G_lang;
 599         GLOBAL $G_poll_entries, $G_poll_name, $G_poll_title, $G_proxy_white_list;
 600         GLOBAL $G_room_roadmap, $G_shutdown, $G_sidebanner, $G_sidebanner2;
 601         GLOBAL $G_splash_content, $G_splash_contents, $G_splash_cont_idx;
 602         GLOBAL $G_splash_h, $G_splash_idx, $G_splash_interval, $G_splash_timeout;
 603         GLOBAL $G_splash_w, $G_topbanner, $G_with_donors, $G_with_poll;
 604         GLOBAL $G_with_sidebanner, $G_with_sidebanner2, $G_with_splash;
 605         GLOBAL $G_with_topbanner;
 606
 607         if ($this->main_loop) {
 608             return (FALSE);
 609         }
 610
 611         $this->main_loop = TRUE;
 612
 613         while ($this->main_loop) {
 614             $this->curtime = time();
 615             fprintf(STDERR, "IN LOOP: Current opened: %d  pending_pages: %d\n", count($this->socks), count($this->pending_pages));
 616
 617             /* Prepare the read array */
 618             /* // when we manage it ... */
 619             /* if ($shutdown)  */
 620             /*     $read   = array_merge(array("$in" => $in), $socks); */
 621             /* else */
 622             $read   = array_merge(array(intval($this->list) => $this->list, intval($this->in) => $this->in,
 623                                         intval(static::$cnt_slave) => static::$cnt_slave),
 624                                   $this->socks);
 625
 626             if ($this->debug > 1) {
 627                 printf("PRE_SELECT\n");
 628                 print_r($read);
 629             }
 630             $write  = NULL;
 631             $except = NULL;
 632             $num_changed_sockets = @stream_select($read, $write, $except, 0, 500000);
 633
 634             if ($num_changed_sockets == 0) {
 635                 printf(" no data in 5 secs, splash [%d]\n", $G_with_splash);
 636             }
 637             else if ($num_changed_sockets > 0) {
 638                 printf("num sock %d num_of_socket: %d\n", $num_changed_sockets, count($read));
 639                 if ($this->debug > 1) {
 640                     print_r($read);
 641                 }
 642                 /* At least at one of the sockets something interesting happened */
 643                 foreach ($read as $i => $sock) {
 644                     $id = intval($sock);
 645                     $manage_page = FALSE;
 646                     /* is_resource check is required because there is the possibility that
 647                        during new request an old connection is closed */
 648                     if (!is_resource($sock)) {
 649                         continue;
 650                     }
 651                     if ($sock === $this->list) {
 652                         printf("NUOVA CONNEX\n");
 653                         if (($new_unix = stream_socket_accept($this->list)) == FALSE) {
 654                             printf("SOCKET_ACCEPT FAILED\n");
 655                             continue;
 656                         }
 657                         $stream_info = "";
 658                         $method      = "";
 659                         $get         = array();
 660                         $post        = array();
 661                         $cookie      = array();
 662                         $rest        = 0;
 663                         $cont        = "";
 664                         if (($new_socket = ancillary_getstream($new_unix, $stream_info)) !== FALSE) {
 665                             printf("NEW_SOCKET: %d\n", intval($new_socket));
 666                             stream_set_blocking($new_socket, $this->blocking_mode); // Set the stream to non-blocking
 667                             printf("RECEIVED HEADER:\n%s", $stream_info);
 668                             if (($path = spu_process_info($stream_info, $method, $header,
 669                                                           $get, $post, $cookie, $rest, $cont))
 670                                 == FALSE) {
 671                                 fprintf(STDERR, "TODO: fix wrong header management\n");
 672                             }
 673                             $addr = stream_socket_get_name($new_socket, TRUE);
 674                             printf("PATH: [%s]\n", $path);
 675                             if ($method == "POST" && $rest > 0) {
 676                                 if (isset($header['Expect']) && $header['Expect'] == '100-continue') {
 677                                     fprintf(STDERR, "\nPOSTA DE CHE\n\n");
 678                                     $this->pendpage_try_addcont($new_socket, 20,
 679                                                                 $method, $header, $get, $post, $cookie,
 680                                                                 $path, $addr, $rest, $cont);
 681                                 }
 682                                 else {
 683                                     $this->pendpage_try_addwait($new_socket, 20,
 684                                                                 $method, $header, $get, $post, $cookie,
 685                                                                 $path, $addr, $rest, $cont);
 686                                 }
 687                             }
 688                             else {
 689                                 $manage_page = TRUE;
 690                             }
 691
 692                             printf("number of sockets after %d\n", count($this->socks));
 693                         }
 694                         else {
 695                             printf("WARNING: ancillary_getstream failed\n");
 696                         }
 697                     }
 698                     else {
 699                         $buf = fread($sock, 4096);
 700                         // if socket is closed
 701                         if ($buf == FALSE || mb_strlen($buf, "ASCII") == 0) {
 702                             // close socket case
 703                             if ($buf == FALSE) {
 704                                 printf("ERROR READING\n");
 705                             }
 706                             if ($sock === $this->list) {
 707                                 printf("Arrivati %d bytes da list\n", mb_strlen($buf, "ASCII"));
 708                                 return(21);
 709                             }
 710                             else if ($sock === $this->in || $sock === static::$cnt_slave) {
 711                                 printf("Arrivati %d bytes da stdin\n", mb_strlen($buf, "ASCII"));
 712                                 return(22);
 713                             }
 714                             else {
 715                                 unset($this->socks[$id]);
 716                                 if (isset($this->s2u[$id])) {
 717                                     // $user_a[$s2u[$id]]->disable();
 718                                     if ($this->s2u[$id]->rd_socket_get() != NULL) {
 719                                         $this->s2u[$id]->rd_socket_set(NULL);
 720                                     }
 721                                     unset($this->s2u[$id]);
 722                                 }
 723                             }
 724                             fclose($sock);
 725                             printf("CLOSE ON READ\n");
 726
 727                             if ($this->debug > 1) {
 728                                 printf("post unset\n");
 729                                 print_r($this->socks);
 730                             }
 731                         }
 732                         else {
 733                             if ($this->debug > 1) {
 734                                 print_r($read);
 735                             }
 736                             if ($sock === $this->list) {
 737                                 printf("Arrivati %d bytes da list\n", mb_strlen($buf, "ASCII"));
 738                             }
 739                             else if ($sock === $this->in || $sock === static::$cnt_slave) {
 740                                 printf("Arrivati %d bytes da stdin\n", mb_strlen($buf, "ASCII"));
 741                                 $line = trim($buf);
 742                                 if ($line == "reload") {
 743                                     require("$DOCUMENT_ROOT/Etc/".BRISK_CONF);
 744
 745                                     global_dump();
 746                                 }
 747                                 else if ($line == "shutdown") {
 748                                     if ($this->app->dump_data()) {
 749                                         return(0);
 750                                     }
 751                                     else {
 752                                         return(1);
 753                                     }
 754                                 }
 755                             }
 756                             else {
 757                                 $key = array_search("$sock", $this->socks);
 758                                 fprintf(STDERR, "Arrivati %d bytes dalla socket n. %d\n", mb_strlen($buf, "ASCII"), $key);
 759                                 if (isset($this->s2p[$id])) {
 760                                     $this->s2p[$id]->rest -= mb_strlen($buf, "ASCII");
 761                                     $this->s2p[$id]->cont .= $buf;
 762                                     if ($this->s2p[$id]->rest <= 0) {
 763                                         $header = $new_socket = $path = $addr = $get = $cookie = 0;
 764                                         $post = array();
 765
 766                                         $this->s2p[$id]->context_get($header, $new_socket, $path, $addr, $get, $post, $cookie);
 767                                         $this->pendpage_rem($this->s2p[$id]);
 768                                         fprintf(STDERR, "SOCKET RUN: %s\n", $new_socket);
 769
 770                                         $manage_page = TRUE;
 771                                     }
 772                                 }
 773                             }
 774                         }
 775                     }
 776
 777                     if ($manage_page == TRUE) {
 778                         printf("M: %s\nHEADER:\n", $method);
 779                         print_r($header);
 780                         printf("GET:\n");
 781                         print_r($get);
 782                         printf("POST:\n");
 783                         print_r($post);
 784                         printf("COOKIE:\n");
 785                         print_r($cookie);
 786
 787                         $header_out = array();
 788                         // TODO: MOVE DOWN request_mgr to factorize new_sockets and POST closed
 789                         $rret = FALSE;
 790                         if (!strncmp($path, SITE_PREFIX, SITE_PREFIX_LEN)) {
 791                             $rret = $this->app->request_mgr($this, $header, $header_out, $new_socket, substr($path, SITE_PREFIX_LEN), $addr, $get, $post, $cookie);
 792                         }
 793                         fprintf(STDERR, "\n\n DI QUI PASSA [%s]\n\n", $rret);
 794                         if ($rret == FALSE) {
 795                             // FIXME: manage 404 !!!
 796                             printf("TODO: fix unknown page\n");
 797                         }
 798                     }
 799                 }
 800             }
 801
 802             $this->garbage_manager(FALSE);
 803
 804             /* manage unfinished pages */
 805             foreach ($this->pending_pages as $k => $pendpage) {
 806                 // TODO: try_flush if exists in the class
 807                 if ($pendpage->try_flush($this->curtime) == TRUE) {
 808                     unset($this->pending_pages[$k]);
 809                 }
 810             }
 811
 812             /*
 813                $response:                        raw stream data not sent
 814                $content:                         html consistent data (<script bla bla>)
 815                $user->stream_keepalive($w_ping)  ping srv->cli OR srv->cli + cli->srv if $w_ping == TRUE
 816             */
 817
 818             /* manage open streaming */
 819             foreach ($this->socks as $k => $sock) {
 820                 $id = intval($sock);
 821                 if (isset($this->s2u[$id])) {
 822                     $user = $this->s2u[$id];
 823                     $response = $user->rd_cache_get();
 824                     $do_ping = FALSE;
 825                     if (($this->curtime - $user->lacc) > (EXPIRE_TIME_RD / 3)) {
 826                         $do_ping = TRUE;
 827                     }
 828                     else {
 829                         $user->ping_req = FALSE;
 830                     }
 831
 832                     if ($response == "") {
 833                         $content = "";
 834                         $user->stream_main($content, $get, $post, $cookie);
 835                         printf("[%s] [%d] [%d]\n", $user->name, $user->lacc, $this->curtime);
 836                         if ($do_ping && $user->ping_req == FALSE) {
 837                             $content .= $user->stream_keepalive(TRUE);
 838                             $user->ping_req = TRUE;
 839                         }
 840                         else if ($content == "" && $user->rd_kalive_is_expired($this->curtime)) {
 841                             $content = $user->stream_keepalive(FALSE);
 842                         }
 843                         if ($content != "") {
 844                             $response = $user->chunked_content($content);
 845                         }
 846                     }
 847
 848                     if ($response != "") {
 849                         // echo "SPIA: [".substr($response, 0, 60)."...]\n";
 850                         // echo "SPIA: [".$response."]\n";
 851                         $response_l = mb_strlen($response, "ASCII");
 852                         $wret = @fwrite($sock, $response);
 853                         if ($wret < $response_l) {
 854                             printf("TROUBLE WITH FWRITE: %d\n", $wret);
 855                             $user->rd_cache_set(mb_substr($response, $wret, $response_l - $wret, "ASCII"));
 856                         }
 857                         else {
 858                             $user->rd_cache_set("");
 859                         }
 860                         fflush($sock);
 861                         $user->rd_kalive_reset($this->curtime);
 862                     }
 863
 864                     // close socket after a while to prevent client memory consumption
 865                     if ($user->rd_endtime_is_expired($this->curtime)) {
 866                         if ($this->s2u[$id]->rd_socket_get() != NULL) {
 867                             $this->s2u[$id]->rd_socket_set(NULL);
 868                         }
 869                         unset($this->socks[$id]);
 870                         unset($this->s2u[$id]);
 871                         fclose($sock);
 872                         printf("CLOSE ON LOOP\n");
 873                     }
 874                 }
 875             }  // foreach ($this->socks...
 876             printf("\n");
 877         }  // while (...
 878     }  // function run(...
 879 }
 880
 881 ?>