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
  29 function global_dump()
  30 {
  31     GLOBAL $G_alarm_passwd, $G_black_list, $G_btrace_pref_sub, $G_dbauth;
  32     GLOBAL $G_dbpfx, $G_donors_all, $G_donors_cur, $G_is_local, $G_lang;
  33     GLOBAL $G_poll_entries, $G_poll_name, $G_poll_title, $G_proxy_white_list;
  34     GLOBAL $G_room_roadmap, $G_shutdown, $G_sidebanner, $G_sidebanner2;
  35     GLOBAL $G_splash_content, $G_splash_contents, $G_splash_cont_idx;
  36     GLOBAL $G_splash_h, $G_splash_idx, $G_splash_interval, $G_splash_timeout;
  37     GLOBAL $G_splash_w, $G_topbanner, $G_with_donors, $G_with_poll;
  38     GLOBAL $G_with_sidebanner, $G_with_sidebanner2, $G_with_splash;
  39     GLOBAL $G_with_topbanner;
  40
  41     fprintf(STDERR, "G_alarm_passwd = [%s]\n", print_r($G_alarm_passwd, TRUE));
  42     fprintf(STDERR, "G_black_list = [%s]\n", print_r($G_black_list, TRUE));
  43     fprintf(STDERR, "G_btrace_pref_sub = [%s]\n", print_r($G_btrace_pref_sub, TRUE));
  44     fprintf(STDERR, "G_dbauth = [%s]\n", print_r($G_dbauth, TRUE));
  45     fprintf(STDERR, "G_dbpfx = [%s]\n", print_r($G_dbpfx, TRUE));
  46     fprintf(STDERR, "G_donors_all = [%s]\n", print_r($G_donors_all, TRUE));
  47     fprintf(STDERR, "G_donors_cur = [%s]\n", print_r($G_donors_cur, TRUE));
  48     fprintf(STDERR, "G_is_local = [%s]\n", print_r($G_is_local, TRUE));
  49     fprintf(STDERR, "G_lang = [%s]\n", print_r($G_lang, TRUE));
  50     fprintf(STDERR, "G_poll_entries = [%s]\n", print_r($G_poll_entries, TRUE));
  51     fprintf(STDERR, "G_poll_name = [%s]\n", print_r($G_poll_name, TRUE));
  52     fprintf(STDERR, "G_poll_title = [%s]\n", print_r($G_poll_title, TRUE));
  53     fprintf(STDERR, "G_proxy_white_list = [%s]\n", print_r($G_proxy_white_list, TRUE));
  54     fprintf(STDERR, "G_room_roadmap = [%s]\n", print_r($G_room_roadmap, TRUE));
  55     fprintf(STDERR, "G_shutdown = [%s]\n", print_r($G_shutdown, TRUE));
  56     fprintf(STDERR, "G_sidebanner = [%s]\n", print_r($G_sidebanner, TRUE));
  57     fprintf(STDERR, "G_sidebanner2 = [%s]\n", print_r($G_sidebanner2, TRUE));
  58     fprintf(STDERR, "G_splash_content = [%s]\n", print_r($G_splash_content, TRUE));
  59     fprintf(STDERR, "G_splash_contents = [%s]\n", print_r($G_splash_contents, TRUE));
  60     fprintf(STDERR, "G_splash_cont_idx = [%s]\n", print_r($G_splash_cont_idx, TRUE));
  61     fprintf(STDERR, "G_splash_h = [%s]\n", print_r($G_splash_h, TRUE));
  62     fprintf(STDERR, "G_splash_idx = [%s]\n", print_r($G_splash_idx, TRUE));
  63     fprintf(STDERR, "G_splash_interval = [%s]\n", print_r($G_splash_interval, TRUE));
  64     fprintf(STDERR, "G_splash_timeout = [%s]\n", print_r($G_splash_timeout, TRUE));
  65     fprintf(STDERR, "G_splash_w = [%s]\n", print_r($G_splash_w, TRUE));
  66     fprintf(STDERR, "G_topbanner = [%s]\n", print_r($G_topbanner, TRUE));
  67     fprintf(STDERR, "G_with_donors = [%s]\n", print_r($G_with_donors, TRUE));
  68     fprintf(STDERR, "G_with_poll = [%s]\n", print_r($G_with_poll, TRUE));
  69     fprintf(STDERR, "G_with_sidebanner = [%s]\n", print_r($G_with_sidebanner, TRUE));
  70     fprintf(STDERR, "G_with_sidebanner2 = [%s]\n", print_r($G_with_sidebanner2, TRUE));
  71     fprintf(STDERR, "G_with_splash = [%s]\n", print_r($G_with_splash, TRUE));
  72     fprintf(STDERR, "G_with_topbanner = [%s]\n", print_r($G_with_topbanner, TRUE));
  73 }
  74
  75 function pid_save()
  76 {
  77     $pid = getmypid();
  78     $fname = LEGAL_PATH."/brisk.pid";
  79
  80     if (file_exists($fname)) {
  81         log_crit("WARN: brisk.pid already exists");
  82     }
  83     file_put_contents($fname, sprintf("%d\n", $pid));
  84 }
  85
  86 function pid_remove()
  87 {
  88     $fname = LEGAL_PATH."/brisk.pid";
  89
  90     if (file_exists($fname)) {
  91         unlink($fname);
  92     }
  93 }
  94
  95 function spu_process_info($stream_info, $method, &$header, &$get, &$post, &$cookie)
  96 {
  97     $check_post = FALSE;
  98     $header = array();
  99     $get = array();
 100     $post = array();
 101     foreach(preg_split("/(\r?\n)/", $stream_info) as $line) {
 102         // printf("LINE: [%s]\n", $line);
 103         if ($check_post) {
 104             if (!isset($header['The-Request'])) {
 105                 return FALSE;
 106             }
 107             $req = explode(" ", $header['The-Request']);
 108             $method = $req[0];
 109
 110             if (isset($header['Cookie'])) {
 111                 $cookies = explode(";", $header['Cookie']);
 112                 for ($i = 0 ; $i < count($cookies) ; $i++) {
 113                     $nameval = explode("=", trim($cookies[$i]));
 114                     if (count($nameval) != 2) {
 115                         printf("WARNING: malformat cookie element [%s]\n", $cookies[$i]);
 116                         continue;
 117                     }
 118                     $cookie[$nameval[0]] = urldecode($nameval[1]);
 119                 }
 120             }
 121             // GET params management
 122             $get_vars = explode('?', $req[1], 2);
 123             $path =   $get_vars[0];
 124             if (count($get_vars) > 1) {
 125                 $a = explode('&', $get_vars[1]);
 126                 printf("A COUNT: [%s] %d\n", $a[0], count($a));
 127                 for ($i = 0 ; $i < count($a) ; $i++) {
 128                     $b = explode('=', $a[$i]);
 129                     $get[$b[0]] = urldecode($b[1]);
 130                 }
 131             }
 132             // POST params management
 133             if ($req[0] == 'POST') {
 134                 if ($header['Content-Type'] != 'application/x-www-form-urlencoded'
 135                     || !isset($header['Content-Length'])) {
 136                     return FALSE;
 137                 }
 138                 $post_len = mb_strlen($line, "latin1");
 139                 $a = explode('&', $line);
 140                 for ($i = 0 ; $i < count($a) ; $i++) {
 141                     $b = explode('=', $a[$i]);
 142                     $post[$b[0]] = urldecode($b[1]);
 143                 }
 144                 printf("INFO: postlen: %d\n", $post_len);
 145             }
 146             break;
 147         }
 148         if ($line == "") {
 149             $check_post = TRUE;
 150             continue;
 151         }
 152         $split = explode(":", $line, 2);
 153         $header[$split[0]] = $split[1];
 154     }
 155     return $path;
 156 }
 157
 158 function gpcs_var($name, $get, $post, $cookie)
 159 {
 160     if (isset($GLOBALS[$name]))
 161         return FALSE;
 162     else if (isset($cookie[$name]))
 163         return ($cookie[$name]);
 164     else if (isset($post[$name]))
 165         return ($post[$name]);
 166     else if (isset($get[$name]))
 167         return ($get[$name]);
 168
 169     return FALSE;
 170 }
 171
 172 function headers_render($header, $len)
 173 {
 174     $cookies = "";
 175
 176     if (isset($header['cookies'])) {
 177         $cookies = $header['cookies']->render();
 178         unset($header['cookies']);
 179     }
 180     if (isset($header['Location'])) {
 181         $s = sprintf("HTTP/1.1 302 OK\r\n%sLocation: %s\r\n", $cookies, $header['Location']);
 182     }
 183     else {
 184         $s = "HTTP/1.1 200 OK\r\n";
 185
 186         if (!isset($header['Date']))
 187             $s .= sprintf("Date: %s\r\n", date(DATE_RFC822));
 188         if (!isset($header['Connection']))
 189             $s .= "Connection: close\r\n";
 190         if (!isset($header['Content-Type']))
 191             $s .= "Content-Type: text/html\r\n";
 192         foreach($header as $key => $value) {
 193             $s .= sprintf("%s: %s\r\n", $key, $value);
 194         }
 195         if ($len >= 0) {
 196             $s .= sprintf("Content-Length: %d\r\n", $len);
 197         }
 198         else {
 199             $s .= "Cache-Control: no-cache, must-revalidate\r\n";
 200             $s .= "Expires: Mon, 26 Jul 1997 05:00:00 GMT\r\n";
 201             if (!isset($header['Content-Encoding'])) {
 202                 $s .= "Content-Encoding: chunked\r\n";
 203             }
 204             $s .= "Transfer-Encoding: chunked\r\n";
 205         }
 206         $s .= $cookies;
 207     }
 208     $s .= "\r\n";
 209
 210     return ($s);
 211 }
 212
 213 /*
 214  *  Caching system using ob php system to cache old style pages
 215  *  to a var and than send it with more calm
 216  */
 217
 218 function shutta()
 219 {
 220   log_rd2("SHUTTA [".connection_status()."] !");
 221 }
 222
 223 register_shutdown_function('shutta');
 224
 225 /*
 226  *  MAIN
 227  */
 228
 229 function chunked_content($zls, $content)
 230 {
 231     if ($zls) {
 232         $cont_comp = $zls->compress_chunk($content);
 233     }
 234     else {
 235         $cont_comp = $content;
 236     }
 237     $cont_comp_l = mb_strlen($cont_comp, "ASCII");
 238     printf("CHUNK: [%s]\n", $content);
 239
 240     return (sprintf("%X\r\n", $cont_comp_l).$cont_comp."\r\n");
 241 }
 242
 243 function chunked_fini()
 244 {
 245     return sprintf("0\r\n");
 246 }
 247
 248 function get_encoding($header)
 249 {
 250     $enc = "plain";
 251     if (isset($header['Accept-Encoding'])) {
 252         $acc = explode(',', $header['Accept-Encoding']);
 253
 254         if (array_search('gzip', $acc) !== FALSE) {
 255             $enc = 'gzip';
 256         }
 257         else if (array_search('deflate', $acc) !== FALSE) {
 258             $enc = 'deflate';
 259         }
 260     }
 261
 262     return ($enc);
 263 }
 264
 265 class Cookie {
 266     var $attr;
 267     // Set-Cookie: reg_fb_gate=deleted; Expires=Thu, 01-Jan-1970 00:00:01 GMT; Path=/; Domain=.foo.com; HttpOnly
 268     // string $name  [, string $value  [, int $expire = 0  [, string $path  [, string $domain  [, bool $secure = false  [, bool $httponly = false  ]]]]]] )
 269     function Cookie()
 270     {
 271         $this->attr = array();
 272     }
 273
 274     static function create($name)
 275     {
 276         $thiz = new Cookie();
 277
 278         $thiz->attr[$name] = "";
 279
 280         $argc = func_num_args();
 281         for ($i = 1 ; $i < $argc ; $i++) {
 282             $arg = func_get_arg($i);
 283             switch ($i) {
 284             case 1:
 285                 $thiz->attr[$name] = urlencode($arg);
 286                 break;
 287             case 2:
 288                 $thiz->attr['Expires'] = gmdate('D, d M Y H:i:s \G\M\T', $arg); // RFC 1211 format
 289                 break;
 290             case 3:
 291                 $thiz->attr['Path'] = $arg;
 292                 break;
 293             case 4:
 294                 $thiz->attr['Domain'] = $arg;
 295                 break;
 296             case 5:
 297                 if ($arg == TRUE) {
 298                     $thiz->attr['Secure'] = NULL;
 299                 }
 300                 break;
 301             case 6:
 302                 if ($arg == TRUE) {
 303                     $thiz->attr['HttpOnly'] = NULL;
 304                 }
 305                 break;
 306             default:
 307                 return FALSE;
 308             }
 309         }
 310
 311         return $thiz;
 312     }
 313
 314     function render()
 315     {
 316         $r = "Set-Cookie: ";
 317         $isfirst = TRUE;
 318
 319         foreach ($this->attr as $k => $v) {
 320             if ($v == NULL) {
 321                 $r .= sprintf("%s%s", ($isfirst ? "" : "; "), $k);
 322             }
 323             else {
 324                 $r .= sprintf("%s%s=%s", ($isfirst ? "" : "; "), $k, $v);
 325             }
 326             $isfirst = FALSE;
 327         }
 328         $r .= "\r\n";
 329
 330         return $r;
 331     }
 332 }
 333
 334 class Cookies {
 335     var $cookies;
 336
 337     function Cookies()
 338     {
 339         $this->cookies = array();
 340     }
 341
 342     function add($name)
 343     {
 344         if (($cookie = call_user_func_array("Cookie::create", func_get_args())) == FALSE)
 345             return (FALSE);
 346
 347         array_push($this->cookies, $cookie);
 348
 349         return (TRUE);
 350     }
 351
 352     function render()
 353     {
 354         $r = "";
 355         foreach ($this->cookies as $cookie) {
 356             $r .= $cookie->render();
 357         }
 358
 359         return ($r);
 360     }
 361 }
 362
 363
 364 class Sac_a_push {
 365     static $fixed_fd = 2;
 366
 367     var $file_socket;
 368     var $unix_socket;
 369     var $socks;
 370     var $s2u;
 371     var $pages_flush;
 372
 373     var $list;
 374     var $in;
 375
 376     var $debug;
 377     var $blocking_mode;
 378
 379     var $app;
 380
 381     var $curtime;
 382
 383     var $rndstr;
 384     var $main_loop;
 385
 386     function Sac_a_push()
 387     {
 388     }
 389
 390     // Sac_a_push::create("/tmp/brisk.sock", 0, 0
 391
 392     static function create(&$app, $sockname, $debug, $blocking_mode)
 393     {
 394         $thiz = new Sac_a_push();
 395
 396         $thiz->app = $app;
 397         $thiz->file_socket = $sockname;
 398         $thiz->unix_socket = "unix://$sockname";
 399         $thiz->debug = $debug;
 400         $thiz->socks = array();
 401         $thiz->s2u  = array();
 402         $thiz->pages_flush = array();
 403
 404         $thiz->blocking_mode = 0; // 0 for non-blocking
 405
 406         $thiz->rndstr = "";
 407         for ($i = 0 ; $i < 4096 ; $i++) {
 408             if (($i % 128) == 0)
 409                 $thiz->rndstr .= " ";
 410             else
 411                 $thiz->rndstr .= chr(mt_rand(65, 90));
 412         }
 413
 414         if (file_exists($thiz->file_socket)) {
 415             unlink($thiz->file_socket);
 416         }
 417
 418         $old_umask = umask(0);
 419         if (($thiz->list = stream_socket_server($thiz->unix_socket, $err, $errs)) === FALSE) {
 420             return (FALSE);
 421         }
 422         umask($old_umask);
 423         stream_set_blocking($thiz->list, $thiz->blocking_mode); # Set the stream to non-blocking
 424
 425         if (($thiz->in = fopen("php://stdin", "r")) === FALSE) {
 426             return(FALSE);
 427         }
 428
 429         $thiz->main_loop = FALSE;
 430
 431         return ($thiz);
 432     }
 433
 434     function socks_set($sock, $user)
 435     {
 436         $id = intval($sock);
 437
 438         $this->s2u[$id]   = $user;
 439         $this->socks[$id] = $sock;
 440     }
 441
 442     function socks_unset($sock)
 443     {
 444         $id = intval($sock);
 445
 446         unset($this->s2u[$id]);
 447         unset($this->socks[$id]);
 448     }
 449
 450     function pgflush_try_add($enc, &$new_socket, $tout, $header_out, $content)
 451     {
 452         $pgflush = new PageFlush($new_socket, $enc, $this->curtime, $tout, $header_out, $content);
 453
 454         if ($pgflush->try_flush($this->curtime) == FALSE) {
 455             // Add $pgflush to the pgflush array
 456             $this->pgflush_add($pgflush);
 457         }
 458     }
 459
 460     function pgflush_add($pgflush)
 461     {
 462         array_push($this->pages_flush, $pgflush);
 463     }
 464
 465     function garbage_manager($force)
 466     {
 467         $this->app->garbage_manager($force);
 468
 469         foreach ($this->socks as $k => $sock) {
 470             if ($this->s2u[intval($sock)]->sess == '') {
 471                 if ($this->s2u[intval($sock)]->rd_socket_get() != NULL) {
 472                     $this->s2u[intval($sock)]->rd_socket_set(NULL);
 473                 }
 474                 unset($this->socks[intval($sock)]);
 475                 unset($this->s2u[intval($sock)]);
 476                 fclose($sock);
 477                 printf("CLOSE ON GARBAGE MANAGER\n");
 478             }
 479         }
 480     }
 481
 482     function run()
 483     {
 484         GLOBAL $DOCUMENT_ROOT, $HTTP_HOST;
 485
 486         GLOBAL $G_alarm_passwd, $G_black_list, $G_btrace_pref_sub, $G_dbauth;
 487         GLOBAL $G_dbpfx, $G_donors_all, $G_donors_cur, $G_is_local, $G_lang;
 488         GLOBAL $G_poll_entries, $G_poll_name, $G_poll_title, $G_proxy_white_list;
 489         GLOBAL $G_room_roadmap, $G_shutdown, $G_sidebanner, $G_sidebanner2;
 490         GLOBAL $G_splash_content, $G_splash_contents, $G_splash_cont_idx;
 491         GLOBAL $G_splash_h, $G_splash_idx, $G_splash_interval, $G_splash_timeout;
 492         GLOBAL $G_splash_w, $G_topbanner, $G_with_donors, $G_with_poll;
 493         GLOBAL $G_with_sidebanner, $G_with_sidebanner2, $G_with_splash;
 494         GLOBAL $G_with_topbanner;
 495
 496         if ($this->main_loop) {
 497             return (FALSE);
 498         }
 499
 500         $this->main_loop = TRUE;
 501
 502         while ($this->main_loop) {
 503             $this->curtime = time();
 504             printf("IN LOOP: Current opened: %d  pages_flush: %d - ", count($this->socks), count($this->pages_flush));
 505
 506             /* Prepare the read array */
 507             /* // when we manage it ... */
 508             /* if ($shutdown)  */
 509             /*     $read   = array_merge(array("$in" => $in), $socks); */
 510             /* else */
 511             $read   = array_merge(array(intval($this->list) => $this->list, intval($this->in) => $this->in),
 512                                   $this->socks);
 513
 514             if ($this->debug > 1) {
 515                 printf("PRE_SELECT\n");
 516                 print_r($read);
 517             }
 518             $write  = NULL;
 519             $except = NULL;
 520             $num_changed_sockets = stream_select($read, $write, $except, 0, 500000);
 521
 522             if ($num_changed_sockets == 0) {
 523                 printf(" no data in 5 secs, splash [%d]\n", $G_with_splash);
 524             }
 525             else if ($num_changed_sockets > 0) {
 526                 printf("num sock %d num_of_socket: %d\n", $num_changed_sockets, count($read));
 527                 if ($this->debug > 1) {
 528                     print_r($read);
 529                 }
 530                 /* At least at one of the sockets something interesting happened */
 531                 foreach ($read as $i => $sock) {
 532                     /* is_resource check is required because there is the possibility that
 533                        during new request an old connection is closed */
 534                     if (!is_resource($sock)) {
 535                         continue;
 536                     }
 537                     if ($sock === $this->list) {
 538                         printf("NUOVA CONNEX\n");
 539                         if (($new_unix = stream_socket_accept($this->list)) == FALSE) {
 540                             printf("SOCKET_ACCEPT FAILED\n");
 541                             continue;
 542                         }
 543                         $stream_info = "";
 544                         $method      = "";
 545                         $get         = array();
 546                         $post        = array();
 547                         $cookie      = array();
 548                         if (($new_socket = ancillary_getstream($new_unix, $stream_info)) !== FALSE) {
 549                             printf("NEW_SOCKET: %d\n", intval($new_socket));
 550                             stream_set_blocking($new_socket, $this->blocking_mode); // Set the stream to non-blocking
 551                             printf("RECEIVED HEADER:\n%s", $stream_info);
 552                             $path = spu_process_info($stream_info, $method, $header, $get, $post, $cookie);
 553                             printf("PATH: [%s]\n", $path);
 554                             printf("M: %s\nHEADER:\n", $method);
 555                             print_r($header);
 556                             printf("GET:\n");
 557                             print_r($get);
 558                             printf("POST:\n");
 559                             print_r($post);
 560                             printf("COOKIE:\n");
 561                             print_r($cookie);
 562                             $addr = stream_socket_get_name($new_socket, TRUE);
 563                             $header_out = array();
 564
 565                             $subs = SITE_PREFIX."briskin5/";
 566                             $subs_l = strlen($subs);
 567                             $rret = FALSE;
 568                             if (!strncmp($path, SITE_PREFIX, SITE_PREFIX_LEN)) {
 569                                 $rret = $this->app->request_mgr($this, $header, $header_out, $new_socket, substr($path, SITE_PREFIX_LEN), $addr, $get, $post, $cookie);
 570                             }
 571                             if ($rret == FALSE) {
 572                                 // FIXME: manage 404 !!!
 573                                 printf("TODO: fix unknown page\n");
 574                             }
 575                             printf("number of sockets after %d\n", count($this->socks));
 576                         }
 577                         else {
 578                             printf("WARNING: ancillary_getstream failed\n");
 579                         }
 580                     }
 581                     else {
 582                         $buf = fread($sock, 512);
 583                         // if socket is closed
 584                         if ($buf == FALSE || strlen($buf) == 0) {
 585                             if ($buf == FALSE) {
 586                                 printf("ERROR READING\n");
 587                             }
 588                             if ($sock === $this->list) {
 589                                 printf("Arrivati %d bytes da list\n", strlen($buf));
 590                                 return(21);
 591                             }
 592                             else if ($sock === $this->in) {
 593                                 printf("Arrivati %d bytes da stdin\n", strlen($buf));
 594                                 return(22);
 595                             }
 596                             else {
 597                                 // $user_a[$s2u[intval($sock)]]->disable();
 598                                 if ($this->s2u[intval($sock)]->rd_socket_get() != NULL) {
 599                                     $this->s2u[intval($sock)]->rd_socket_set(NULL);
 600                                 }
 601                                 unset($this->socks[intval($sock)]);
 602                                 unset($this->s2u[intval($sock)]);
 603                             }
 604                             fclose($sock);
 605                             printf("CLOSE ON READ\n");
 606
 607                             if ($this->debug > 1) {
 608                                 printf("post unset\n");
 609                                 print_r($this->socks);
 610                             }
 611                         }
 612                         else {
 613                             if ($this->debug > 1) {
 614                                 print_r($read);
 615                             }
 616                             if ($sock === $this->list) {
 617                                 printf("Arrivati %d bytes da list\n", strlen($buf));
 618                             }
 619                             else if ($sock === $this->in) {
 620                                 printf("Arrivati %d bytes da stdin\n", strlen($buf));
 621                                 $line = trim($buf);
 622                                 if ($line == "reload") {
 623                                     require("$DOCUMENT_ROOT/Etc/".BRISK_CONF);
 624
 625                                     global_dump();
 626                                 }
 627                                 else if ($line == "shutdown") {
 628                                     if ($this->app->dump_data()) {
 629                                         return(0);
 630                                     }
 631                                     else {
 632                                         return(1);
 633                                     }
 634                                 }
 635                             }
 636                             else {
 637                                 $key = array_search("$sock", $this->socks);
 638                                 printf("Arrivati %d bytes dalla socket n. %d\n", strlen($buf), $key);
 639                             }
 640                         }
 641                     }
 642                 }
 643             }
 644
 645             $this->garbage_manager(FALSE);
 646
 647             /* manage unfinished pages */
 648             foreach ($this->pages_flush as $k => $pgflush) {
 649                 if ($pgflush->try_flush($this->curtime) == TRUE) {
 650                     unset($this->pages_flush[$k]);
 651                 }
 652             }
 653
 654             /*
 655                $response:                        raw stream data not sent
 656                $content:                         html consistent data (<script bla bla>)
 657                $user->stream_keepalive($w_ping)  ping srv->cli OR srv->cli + cli->srv if $w_ping == TRUE
 658             */
 659
 660             /* manage open streaming */
 661             foreach ($this->socks as $k => $sock) {
 662                 if (isset($this->s2u[intval($sock)])) {
 663                     $user = $this->s2u[intval($sock)];
 664                     $response = $user->rd_cache_get();
 665                     $do_ping = FALSE;
 666                     if (($this->curtime - $user->lacc) > (EXPIRE_TIME_RD / 3)) {
 667                         $do_ping = TRUE;
 668                     }
 669                     else {
 670                         $user->ping_req = FALSE;
 671                     }
 672
 673                     if ($response == "") {
 674                         $content = "";
 675                         $user->stream_main($content, $get, $post, $cookie);
 676                         printf("[%s] [%d] [%d]\n", $user->name, $user->lacc, $this->curtime);
 677                         if ($do_ping && $user->ping_req == FALSE) {
 678                             $content .= $user->stream_keepalive(TRUE);
 679                             $user->ping_req = TRUE;
 680                         }
 681                         else if ($content == "" && $user->rd_kalive_is_expired($this->curtime)) {
 682                             $content = $user->stream_keepalive(FALSE);
 683                         }
 684                         if ($content != "") {
 685                             $response = chunked_content($user->rd_zls_get(), $content);
 686                         }
 687                     }
 688
 689                     if ($response != "") {
 690                         // echo "SPIA: [".substr($response, 0, 60)."...]\n";
 691                         echo "SPIA: [".$response."]\n";
 692                         $response_l = mb_strlen($response, "ASCII");
 693                         $wret = @fwrite($sock, $response);
 694                         if ($wret < $response_l) {
 695                             printf("TROUBLE WITH FWRITE: %d\n", $wret);
 696                             $user->rd_cache_set(mb_substr($response, $wret, $response_l - $wret, "ASCII"));
 697                         }
 698                         else {
 699                             $user->rd_cache_set("");
 700                         }
 701                         fflush($sock);
 702                         $user->rd_kalive_reset($this->curtime);
 703                     }
 704
 705                     // close socket after a while to prevent client memory consumption
 706                     if ($user->rd_endtime_is_expired($this->curtime)) {
 707                         if ($this->s2u[intval($sock)]->rd_socket_get() != NULL) {
 708                             $this->s2u[intval($sock)]->rd_socket_set(NULL);
 709                         }
 710                         unset($this->socks[intval($sock)]);
 711                         unset($this->s2u[intval($sock)]);
 712                         fclose($sock);
 713                         printf("CLOSE ON LOOP\n");
 714                     }
 715                 }
 716             }  // foreach ($this->socks...
 717             printf("\n");
 718         }  // while (...
 719     }  // function run(...
 720 }
 721
 722 ?>