3 * brisk - spush/brisk-spush.phh
5 * Copyright (C) 2012 Matteo Nastasi
6 * mailto: nastasi@alternativeoutput.it
7 * matteo.nastasi@milug.org
8 * web: http://www.alternativeoutput.it
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.
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.
26 $HTTP_HOST="dodo.birds.lan";
27 define('USOCK_PATH', "/tmp/brisk.sock");
29 define('PENDINGPAGE_WAITDATA', 0);
30 define('PENDINGPAGE_FLUSHING', 1);
34 var $socket; // socket handler of page stream
35 var $status; // status can be 0: waiting for data, 1: flush phase
37 var $kalive; // if no message are sent after RD_KEEPALIVE_TOUT secs we send a keepalive from server
38 var $msg; // place where store failed fwrite data
39 var $msg_sz; // size of content
43 function PendingPage($socket)
45 $this->socket = $socket;
48 static function pendingpage_waiting($socket, $method, $header, $get, $post, $cookie, $path, $addr)
50 $thiz = new PendingPage($socket);
55 function try_wait($curtime)
57 // if completed return TRUE to allow data to be processed,
58 // if timeout or max content dimension is exceeded move to flushing
61 static function pendingpage_flushing($socket, $enc, $curtime, $kalive, $header_out, $body)
63 $thiz = new PendingPage($socket);
65 $thiz->to_flushing($enc, $curtime, $kalive, $header_out, $body);
70 function to_flushing($enc, $curtime, $kalive, $header_out, $body)
72 printf("TRY FLUSH CREATE\n");
73 $body_out = ZLibStream::compress($enc, $body);
75 $header_out['Content-Encoding'] = $enc;
76 $body_out_sz = mb_strlen($body_out, "ASCII");
77 $hea = headers_render($header_out, $body_out_sz);
78 $hea_sz = mb_strlen($hea, "ASCII");
80 $this->status = PENDINGPAGE_FLUSHING;
81 $this->kalive = $curtime + $kalive;
82 $this->msg = $hea.$body_out;
83 $this->msg_sz = $hea_sz + $body_out_sz;
86 /* return TRUE if is removable from it's list */
87 function try_flush($curtime)
89 if ($this->status != PENDINGPAGE_FLUSHING)
92 printf("TRY FLUSH IN\n");
93 if ($this->kalive < $curtime) {
94 printf("TRY FLUSH CLOSE 1\n");
95 fclose($this->socket);
99 $wret = @fwrite($this->socket, $this->msg);
100 if ($wret == FALSE && $wret !== FALSE) {
101 printf("TRY FLUSH PendingPage::try_flush: wret 0 but not FALSE\n");
103 if ($wret == $this->msg_sz) {
104 printf("TRY FLUSH CLOSE 2\n");
105 fclose($this->socket);
108 $this->msg_sz -= $wret;
109 $this->msg = mb_substr($this->msg, $wret, $this->msg_sz, "ASCII");
111 printf("TRY FLUSH RETURN FALSE\n");