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