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