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