Mercurial > mbsePi-apps / file revision

www-thermferm/utilities.php@e00f8ff4de9a

www-thermferm/utilities.php

Sat, 25 Apr 2020 20:31:31 +0200

author
Michiel Broek <mbroek@mbse.eu>
date
Sat, 25 Apr 2020 20:31:31 +0200
changeset 605
e00f8ff4de9a
parent 397
00ca08f5a6f8
permissions
-rw-r--r--

Version 0.9.8. Added extra path to the fonts for Debian buster. Changed the PID to work on Proportional on Measurement. Added loops so that it looks like the PID is running at 100 mSec intervals.

<?php
/*****************************************************************************
 * Copyright (C) 2014-2015
 *   
 * Michiel Broek <mbroek at mbse dot eu>
 *
 * This file is part of ThermFerm
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2, or (at your option) any
 * later version.
 *
 * ThermFerm is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with ThermFerm; see the file COPYING.  If not, write to the Free
 * Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
 *****************************************************************************/

$my_style = 'ui-redmond';


function open_socket()
{
    $sock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);

    if (!($sock === false)) {
	if (socket_connect($sock, "localhost", 6554)) {
	    socket_set_option($sock, SOL_SOCKET, SO_RCVTIMEO, array('sec' => 15, 'usec' => 0));
	} else {
	    socket_close($sock);
    	}
    }
    return $sock;
}



/*
 * @param string $command to send to the server.
 * Return: string with the complete reply from the
 *         server. This can be a multiline reply.
 */
function send_cmd($command)
{
    $sock = open_socket();
    if ($sock == false) {
	return "";
    }
    socket_write($sock, $command . "\r\n", 4096);

    $answer = "";
    while (1) {
	$line = socket_read($sock, 4096);
	if ($line === '')
	    break;
	$answer .= $line;
    }
    socket_close($sock);

    return $answer;
}



/*
 * @param string array of $commands to send to the server.
 * Return: string with the complete reply from the
 *         server. This can be a multiline reply.
 */
function send_array($command)
{
    $sock = open_socket();
    if ($sock == false) {
	return "";
    }

    foreach($command as $cmd) {
	socket_write($sock, $cmd . "\r\n", 4096);
    }

    $answer = "";
    while (1) {
	$line = socket_read($sock, 4096);
	if ($line === '')
	    break;
	$answer .= $line;
    }
    socket_close($sock);

    return $answer;
}



/*
 * @param string $command to send to the server.
 * Return: 0 = Ok.
 *         1 = Server responden with an error.
 */
function send_cmd_check($command)
{
    $answer = send_cmd($command);

    if (strlen($answer) && (($answer[0] == '1') || ($answer[0] == '2')))
	return 0;

    return 1;
}



/*
 * @param array $command to send to the server.
 * Return: 0 = Ok.
 *         1 = Server responden with an error.
 */
function send_array_check($command)
{
    $answer = send_array($command);

    if (strlen($answer) && (($answer[0] == '1') || ($answer[0] == '2')))
	return 0;

    return 1;
}



function startsWith($haystack, $needle)
{
    return !strncmp($haystack, $needle, strlen($needle));
}


function build_header($heading)
{
    global	$my_style;

    $answer = send_cmd('GLOBAL GET');
    $arr = explode("\r\n", $answer);
    $version = "?";

    if (startsWith($arr[0], "213")) {
	$j = 1;
	while (1) {
	    if (strcmp($arr[$j], ".") == 0)
		break;
	    $f = explode(",", $arr[$j]);

	    if ($f[0] == "RELEASE")
		$version = $f[1];
	    $j++;
	}
    }

    $outstr  = '<!DOCTYPE html>'.PHP_EOL;
    $outstr .= '<html>'.PHP_EOL;
    $outstr .= ' <head>'.PHP_EOL;
    $outstr .= '  <meta http-equiv="content-type" content="text/html; charset=utf-8" />'.PHP_EOL;
    $outstr .= '  <title>'.$heading.'</title>'.PHP_EOL;
    $outstr .= '  <link type="text/css" href="css/style.css" rel="stylesheet" media="all" />'.PHP_EOL;
    $outstr .= '  <link type="text/css" href="jqwidgets/styles/jqx.base.css" rel="stylesheet" />'.PHP_EOL;
    $outstr .= '  <link type="text/css" href="jqwidgets/styles/jqx.'.$my_style.'.css" rel="stylesheet" />'.PHP_EOL;
    $outstr .= '  <script type="text/javascript" src="js/jquery-2.1.1.min.js"></script>'.PHP_EOL;
    $outstr .= '  <script type="text/javascript" src="jqwidgets/jqxcore.js"></script>'.PHP_EOL;
    $outstr .= '  <script type="text/javascript" src="jqwidgets/jqxwindow.js"></script>'.PHP_EOL;
    $outstr .= '  <script type="text/javascript" src="jqwidgets/jqxbuttons.js"></script>'.PHP_EOL;
    $outstr .= ' </head>'.PHP_EOL;
    $outstr .= ' <body class="default">'.PHP_EOL;
    $outstr .= '  <div id="jqxWidget">'.PHP_EOL;
    $outstr .= '   <div id="header">'.PHP_EOL;
    $outstr .= '    <div id="title">'.PHP_EOL;
    $outstr .= '     ThermFerm '.$version.PHP_EOL;
    $outstr .= '    </div>'.PHP_EOL;
    $outstr .= '    <form action="maintenance.php" style="margin:30px; float:right">'.PHP_EOL;
    $outstr .= '     <input type="submit" id="maintenance" value="Maintenance panel" />'.PHP_EOL;
    $outstr .= '    </form>'.PHP_EOL;
    $outstr .= '   </div> <!-- header -->'.PHP_EOL;
    $outstr .= '   <div id="content">'.PHP_EOL;

    return $outstr;
}



function build_footer()
{
    $outstr  = '   </div> <!-- content -->'.PHP_EOL;
    $outstr .= '  </div> <!-- jqxWidget -->'.PHP_EOL;
    $outstr .= ' </body>'.PHP_EOL;
    $outstr .= '</html>'.PHP_EOL;

    return $outstr;
}



/*
 * Goto URL. Works also after headers have been sent.
 */
function load($url) {
    echo'
    <script>
	if (top.location != self.location) {
	    top.location = "'.$url.'"
	}
	{location.href="'.$url.'";}
    </script>';
}

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