web/Obj/sac-a-push.phh

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