www-thermferm/liveview.php

<?php
/*****************************************************************************
 * Copyright (C) 2014
 *   
 * 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.
 *****************************************************************************/


require_once('utilities.php');


function showunit($unit, $unr)
{
    global $my_style;

    $outstr = '';
    $air_state = $beer_state = 1;

    $sock = open_socket();
    if ($sock == false) {
	return '';
    }

    socket_write($sock, "UNIT GET ".$unit, 4096);
    $answer = "";
    while (1) {
	$line = socket_read($sock, 4096);
	if ($line === '')
	    break;
	$answer .= $line;
    }
    socket_close($sock);
    $arr = explode("\r\n", $answer);

    if (startsWith($arr[0], "213")) {

	$set_temperature = "NA";
	$air_temperature = "NA";
	$beer_temperature = "NA";
	$profile = "";
	$prof_state = "OFF";
	$power_led = $cooler_led = $heater_led = $fan_led = "off";
	$heater = $cooler = $fan = "no";
	$heater_state = $cooler_state = $fan_state = 0;

	foreach($arr as $l) {
	    $vals = explode(",", $l);
	    if (strcmp($vals[0], "MODE") == 0) {
		$mode = $vals[1];
		if (strcmp($mode, "OFF"))
		    $power_led = "on";
	    }
	    if (strcmp($vals[0], "AIR_STATE") == 0) {
		$air_state = $vals[1];
	    }
	    if ((strcmp($vals[0], "AIR_TEMPERATURE") == 0) && ($air_state == 0)) {
		$air_temperature = $vals[1];
	    }
	    if (strcmp($vals[0], "BEER_STATE") == 0) {
		$beer_state = $vals[1];
	    }
	    if ((strcmp($vals[0], "BEER_TEMPERATURE") == 0) && ($beer_state == 0)) {
		$beer_temperature = $vals[1];
	    }
	    if ((strcmp($vals[0], "HEATER_ADDRESS") == 0) && (strcmp($vals[1], "(null)"))) {
		$heater = "yes";
	    }
	    if (strcmp($vals[0], "HEATER_STATE") == 0) {
		$heater_state = $vals[1];
	    }
	    if ((strcmp($vals[0], "COOLER_ADDRESS") == 0) && (strcmp($vals[1], "(null)"))) {
		$cooler = "yes";
	    }
	    if (strcmp($vals[0], "COOLER_STATE") == 0) {
		$cooler_state = $vals[1];
	    }
	    if ((strcmp($vals[0], "FAN_ADDRESS") == 0) && (strcmp($vals[1], "(null)"))) {
		$fan = "yes";
	    }
	    if (strcmp($vals[0], "FAN_STATE") == 0) {
		$fan_state = $vals[1];
	    }
	    if (strcmp($vals[0], "PROFILE") == 0) {
		$profile = $vals[1];
	    }
	    if (strcmp($vals[0], "PROF_STATE") == 0) {
		$prof_state = $vals[1];
	    }
	    if (($vals[0] == "BEER_SET") && ($mode == "BEER")) {
		$set_temperature = $vals[1];
	    }
	    if (($vals[0] == "FRIDGE_SET") && ($mode == "FRIDGE")) {
		$set_temperature = $vals[1];
	    }
	    if (($vals[0] == "PROF_TARGET") && ($mode == "PROFILE")) {
		$set_temperature = $vals[1];
	    }
	}

	$outstr .= '    <script type="text/javascript">'.PHP_EOL;
	$outstr .= '     $(document).ready(function () {'.PHP_EOL;

	$outstr .= '       var source'.$unr.' ='.PHP_EOL;
	$outstr .= '       {'.PHP_EOL;
	$outstr .= '          datatype: "json",'.PHP_EOL;
	$outstr .= '          datafields: ['.PHP_EOL;
	$outstr .= '             { name: \'Date\' },'.PHP_EOL;
	$outstr .= '             { name: \'Mode\' },'.PHP_EOL;
	$outstr .= '             { name: \'Air\', type: \'float\' },'.PHP_EOL;
	$outstr .= '             { name: \'Beer\', type: \'float\' },'.PHP_EOL;
	$outstr .= '             { name: \'Target\', type: \'float\' },'.PHP_EOL;
	$outstr .= '             { name: \'Heater\' },'.PHP_EOL;
	$outstr .= '             { name: \'Cooler\', type: \'int\' },'.PHP_EOL;
	$outstr .= '             { name: \'Fan\' },'.PHP_EOL;
	$outstr .= '             { name: \'Door\', type: \'bool\' }'.PHP_EOL;
	$outstr .= '          ],'.PHP_EOL;
	$outstr .= '          url: \'getlog.php?unit='.$unit.'\''.PHP_EOL;
	$outstr .= '       };'.PHP_EOL;

	$outstr .= '       var dataAdapter'.$unr.' = new $.jqx.dataAdapter(source'.$unr.','.PHP_EOL;
	$outstr .= '       {'.PHP_EOL;
	$outstr .= '          autoBind: true,'.PHP_EOL;
	$outstr .= '          async: false,'.PHP_EOL;
	$outstr .= '          downloadComplete: function () { },'.PHP_EOL;
	$outstr .= '          loadComplete: function () { },'.PHP_EOL;
	$outstr .= '          loadError: function () { }'.PHP_EOL;
	$outstr .= '       });'.PHP_EOL;

	$outstr .= '       var settings'.$unr.' = {'.PHP_EOL;
	$outstr .= '         title: "Fermentation history",'.PHP_EOL;
	$outstr .= '         description: "",'.PHP_EOL;
	$outstr .= '         padding: { left: 5, top: 5, right: 5, bottom: 5 },'.PHP_EOL;
	$outstr .= '         titlePadding: { left: 90, top: 0, right: 0, bottom: 10 },'.PHP_EOL;
	$outstr .= '         source: dataAdapter'.$unr.','.PHP_EOL;
	$outstr .= '         categoryAxis:'.PHP_EOL;
	$outstr .= '           {'.PHP_EOL;
	$outstr .= '             dataField: \'Date\','.PHP_EOL;
	$outstr .= '             textRotationAngle: 45,'.PHP_EOL;
	$outstr .= '             showGridLines: false'.PHP_EOL;
	$outstr .= '           },'.PHP_EOL;
	$outstr .= '         colorScheme: \'scheme01\','.PHP_EOL;
	$outstr .= '         seriesGroups:'.PHP_EOL;
	$outstr .= '           [{'.PHP_EOL;
	$outstr .= '             type: \'line\','.PHP_EOL;
	$outstr .= '             columnsGapPercent: 30,'.PHP_EOL;
	$outstr .= '             seriesGapPercent: 0,'.PHP_EOL;
	$outstr .= '             valueAxis:'.PHP_EOL;
	$outstr .= '             {'.PHP_EOL;
	$outstr .= '               description: \'Degrees C\''.PHP_EOL;
	$outstr .= '             },'.PHP_EOL;
	$outstr .= '             series: ['.PHP_EOL;
	$outstr .= '               { dataField: \'Air\', displayText: \'Air\' },'.PHP_EOL;
	$outstr .= '               { dataField: \'Beer\', displayText: \'Beer\' },'.PHP_EOL;
	$outstr .= '               { dataField: \'Target\', displayText: \'Target\' }'.PHP_EOL;
	$outstr .= '             ]'.PHP_EOL;
	$outstr .= '           }]'.PHP_EOL;
	$outstr .= '       };'.PHP_EOL;
	/* Direct draw for the first time */
	$outstr .= '       $("#fermentor_chart_'.$unit.'").jqxChart(settings'.$unr.');'.PHP_EOL;
	/* Regular updates of the chart */
//	$outstr .= '       setInterval(function(){'.PHP_EOL;
//	$outstr .= '         $("#fermentor_chart_'.$unit.'").jqxChart("update");'.PHP_EOL;
//	$outstr .= '       }, 3000);'.PHP_EOL;

	$outstr .= '       setInterval(function(){'.PHP_EOL;
	$outstr .= '         $.getJSON("getstate.php?uuid='.$unit.'", function(data) {'.PHP_EOL;
	$outstr .= '           $("#load_air_'.$unr.'").html(data.air_temperature);'.PHP_EOL;
	$outstr .= '           $("#load_beer_'.$unr.'").html(data.beer_temperature);'.PHP_EOL;
	$outstr .= '           $("#load_target_'.$unr.'").html(data.target_temperature);'.PHP_EOL;
	$outstr .= '           $("#load_led1_'.$unr.'").html(data.led1);'.PHP_EOL;
	$outstr .= '           $("#load_led2_'.$unr.'").html(data.led2);'.PHP_EOL;
	$outstr .= '           $("#load_led3_'.$unr.'").html(data.led3);'.PHP_EOL;
        $outstr .= '         });'.PHP_EOL;
	$outstr .= '       }, 10000);'.PHP_EOL;
	$outstr .= '     });'.PHP_EOL;
	$outstr .= '    </script>'.PHP_EOL;
	$outstr .= '    <div id="fermentor">'.PHP_EOL;
	$outstr .= '     <div id="fermentor_chart_'.$unit.'" style="width:720px; height:377px; float:left"></div>'.PHP_EOL;

	$outstr .= '     <div id="fermentor_panel_top">'.PHP_EOL;
	$outstr .= '      <div id="fermentor_selector">'.PHP_EOL;
	$outstr .= '       <form id="select_'.$unr.'" action="index.php" method="post">'.PHP_EOL;
	strcmp($mode, "OFF") ? $se = "" : $se = " checked";
	$outstr .= '        <input type="radio" name="mode" onchange="this.form.submit()" class="select" value="OFF"'.$se.'>Off<br>'.PHP_EOL;
	strcmp($mode, "NONE") ? $se = "" : $se = " checked";
	$outstr .= '        <input type="radio" name="mode" onchange="this.form.submit()" class="select" value="NONE"'.$se.'>None<br>'.PHP_EOL;
	(strcmp($heater, "no") || strcmp($cooler, "no")) ? $dis = "" : $dis = " disabled";
	strcmp($mode, "FRIDGE") ? $se = "" : $se = " checked";
	$outstr .= '        <input type="radio" name="mode" onchange="this.form.submit()" class="select" value="FRIDGE"'.$se.$dis.'>Fridge<br>'.PHP_EOL;
	strcmp($mode, "BEER") ? $se = "" : $se = " checked";
	$outstr .= '        <input type="radio" name="mode" onchange="this.form.submit()" class="select" value="BEER"'.$se.$dis.'>Beer<br>'.PHP_EOL;
	strcmp($mode, "PROFILE") ? $se = "" : $se = " checked";
	$outstr .= '        <input type="radio" name="mode" onchange="this.form.submit()" class="select" value="PROFILE"'.$se.$dis.'>Profile'.PHP_EOL;
	$outstr .= '        <input type="hidden" name="UUID" value="'.$unit.'">'.PHP_EOL;
	$outstr .= '       </form>'.PHP_EOL;
	$outstr .= '      </div>'.PHP_EOL;

	$outstr .= '      <div id="fermentor_powerled">'.PHP_EOL;
	$outstr .= '       <img src="images/led_green_'.$power_led.'.png"><br>Pwr'.PHP_EOL;
	$outstr .= '      </div>'.PHP_EOL;

	$outstr .= '      <div id="fermentor_mode_control">'.PHP_EOL;
	if ($mode == "FRIDGE") {
	    $outstr .= '       <form id="set_fridge_'.$unr.'" action="index.php" method="post">'.PHP_EOL;
	    $outstr .= '        <input type="text" name="Fridge" size="5" value="'.$set_temperature.'"><br>'.PHP_EOL;
	    $outstr .= '        <input type="submit" value="Set" name="key">'.PHP_EOL;
	    $outstr .= '        <input type="hidden" value="'.$unit.'" name="UUID">'.PHP_EOL;
	    $outstr .= '       </form>'.PHP_EOL;
	}
	if ($mode == "BEER") {
	    $outstr .= '       <form id="set_beer_'.$unr.'" action="index.php" method="post">'.PHP_EOL;
	    $outstr .= '        <input type="text" name="Beer" size="5" value="'.$set_temperature.'">'.PHP_EOL;
	    $outstr .= '        <input type="submit" value="Set" name="key">'.PHP_EOL;
	    $outstr .= '        <input type="hidden" value="'.$unit.'" name="UUID">'.PHP_EOL;
	    $outstr .= '       </form>'.PHP_EOL;
	}
	if ($mode == "PROFILE") {
	    /*
	     * First, load a list with available profiles.
	     */
	    $sock = open_socket();
	    if ($sock == true) {
	    	socket_write($sock, "PROFILE LIST", 4096);
	    	$answer = "";
	    	while (1) {
		    $line = socket_read($sock, 4096);
		    if ($line === '')
			break;
		    $answer .= $line;
	    	}
	    	socket_close($sock);
	    	$reply = explode("\r\n", $answer);
	    }

	    /*
	     * Show loaded profile.
	     */
	    if ($profile == "(null)") {
		$prof_name = "None";
	    }else {
		if (startsWith($reply[0], "212")) {
		    $i = 1;
		    while (1) {
			if (strcmp($reply[$i], ".") == 0)
			    break;
			$f = explode(",", $reply[$i]);
			if ($f[0] == $profile) {
			    $prof_name = $f[1];
			    break;
			}
			$i++;
		    }
		}
	    }
	    $outstr .= '       <div style="color: blue; width: 148px; height: 20px; overflow: hidden;">Profile: '.$prof_name.'</div>'.PHP_EOL;

	    $outstr .= '       <form id="set_profile_'.$unr.'" action="index.php" method="post">'.PHP_EOL;
	    if ($prof_state == "OFF") {
	    	$outstr .= '        <select name="SetProfile" style="width: 130px;">'.PHP_EOL;
	    	$outstr .= '         <option value="">None</option>'.PHP_EOL;
	    	if (startsWith($reply[0], "212")) {
		    $i = 1;
		    while (1) {
			if (strcmp($reply[$i], ".") == 0)
			    break;
			$f = explode(",", $reply[$i]);
			if ($f[2] > 0) {
			    ($f[0] == $profile) ? $se = " selected" : $se = "";
			    $outstr .= '         <option value="'.$f[0].'"'.$se.'>'.$f[1].'</option>'.PHP_EOL;
			}
			$i++;
		    }
	    	}
		$outstr .= '        </select>'.PHP_EOL;
		$outstr .= '        <input type="submit" value="Set" name="key">'.PHP_EOL;
		if ($profile != "(null)")
		    $outstr .= '        <input type="submit" value="Start" name="key">'.PHP_EOL;

	    } else if ($prof_state == "RUN") {
	    } else if ($prof_state == "PAUSE") {
	    } else if ($prof_state == "DONE") {
	    }
	    //$outstr .= '        <input type="text" name="Beer" size="5" value="'.$set_temperature.'">'.PHP_EOL;
	    $outstr .= '        <input type="hidden" value="'.$unit.'" name="UUID">'.PHP_EOL;
	    $outstr .= '       </form>'.PHP_EOL;
	}
	$outstr .= '      </div>'.PHP_EOL;
	$outstr .= '     </div> <!-- fermentor_panel_top -->'.PHP_EOL;

	$outstr .= '     <div id="fermentor_panel_display">'.PHP_EOL;
	$outstr .= '      <div id="fermentor_display1">'.PHP_EOL;
	$outstr .= '       <div id="load_target_'.$unr.'" class="dtemp">'.$set_temperature.'</div>Set'.PHP_EOL;
	$outstr .= '      </div>'.PHP_EOL;
	$outstr .= '      <div id="fermentor_display2">'.PHP_EOL;
	$outstr .= '       <div id="load_air_'.$unr.'" class="dtemp">'.$air_temperature.'</div>Air'.PHP_EOL;
	$outstr .= '      </div>'.PHP_EOL;
	$outstr .= '      <div id="fermentor_display3">'.PHP_EOL;
	$outstr .= '       <div id="load_beer_'.$unr.'" class="dtemp">'.$beer_temperature.'</div>Beer'.PHP_EOL;
	$outstr .= '      </div>'.PHP_EOL;
	$outstr .= '     </div> <!-- fermentor_panel_display -->'.PHP_EOL;

	$outstr .= '     <div id="fermentor_panel_control">'.PHP_EOL;
	if ($cooler_state == "100")
	    $cooler_led = "on";
	$outstr .= '      <div id="fermentor_led1">'.PHP_EOL;
	$outstr .= '       <div id="load_led1_'.$unr.'"><img src="images/led_green_'.$cooler_led.'.png"></div>Cool'.PHP_EOL;
	$outstr .= '      </div>'.PHP_EOL;
	if ($heater_state == "100")
	    $heater_led = "on";
	$outstr .= '      <div id="fermentor_led2">'.PHP_EOL;
	$outstr .= '       <div id="load_led2_'.$unr.'"><img src="images/led_green_'.$heater_led.'.png"></div>Heat'.PHP_EOL;
	$outstr .= '      </div>'.PHP_EOL;
	if ($fan_state == "100")
	    $fan_led = "on";
	$outstr .= '      <div id="fermentor_led3">'.PHP_EOL;
	$outstr .= '       <div id="load_led3_'.$unr.'"><img src="images/led_green_'.$fan_led.'.png"></div>Fan'.PHP_EOL;
	$outstr .= '      </div>'.PHP_EOL;

	$outstr .= '      <div id="fermentor_toggle1">'.PHP_EOL;
	$outstr .= '       <form action="index.php" method="post">'.PHP_EOL;
	(($mode == "NONE") && ($cooler == "yes")) ? $dis = "" : $dis = " disabled";
	($cooler_state == "0") ? $ch = " checked" : $ch = "";
	$outstr .= '        <input type="radio" name="CoolerState" onchange="this.form.submit()" value="0"'.$dis.$ch.'>Off<br>'.PHP_EOL;
	($cooler_state == "100") ? $ch = " checked" : $ch = "";
	$outstr .= '        <input type="radio" name="CoolerState" onchange="this.form.submit()" value="100"'.$dis.$ch.'>On'.PHP_EOL;
	$outstr .= '        <input type="hidden" name="UUID" value="'.$unit.'">'.PHP_EOL;
	$outstr .= '       </form>'.PHP_EOL;
	$outstr .= '      </div>'.PHP_EOL;

	$outstr .= '      <div id="fermentor_toggle2">'.PHP_EOL;
	$outstr .= '       <form action="index.php" method="post">'.PHP_EOL;
	(($mode == "NONE") && ($heater == "yes")) ? $dis = "" : $dis = " disabled";
	($heater_state == "0") ? $ch = " checked" : $ch = "";
	$outstr .= '        <input type="radio" name="HeaterState" onchange="this.form.submit()" value="0"'.$dis.$ch.'>Off<br>'.PHP_EOL;
	($heater_state == "100") ? $ch = " checked" : $ch = "";
	$outstr .= '        <input type="radio" name="HeaterState" onchange="this.form.submit()" value="100"'.$dis.$ch.'>On'.PHP_EOL;
	$outstr .= '        <input type="hidden" name="UUID" value="'.$unit.'">'.PHP_EOL;
	$outstr .= '       </form>'.PHP_EOL;
	$outstr .= '      </div>'.PHP_EOL;

	$outstr .= '      <div id="fermentor_toggle3">'.PHP_EOL;
	$outstr .= '       <form action="index.php" method="post">'.PHP_EOL;
	(($mode == "NONE") && ($fan== "yes")) ? $dis = "" : $dis = " disabled";
	($fan_state == "0") ? $ch = " checked" : $ch = "";
	$outstr .= '        <input type="radio" name="FanState" onchange="this.form.submit()" value="0"'.$dis.$ch.'>Off<br>'.PHP_EOL;
	($fan_state == "100") ? $ch = " checked" : $ch = "";
	$outstr .= '        <input type="radio" name="FanState" onchange="this.form.submit()" value="100"'.$dis.$ch.'>On'.PHP_EOL;
	$outstr .= '        <input type="hidden" name="UUID" value="'.$unit.'">'.PHP_EOL;
	$outstr .= '       </form>'.PHP_EOL;
	$outstr .= '      </div>'.PHP_EOL;
	$outstr .= '     </div> <!-- fermentor_panel_control -->'.PHP_EOL;

	$outstr .= '    </div> <!-- fermentor -->'.PHP_EOL;
    }

    return $outstr;
}


function liveview()
{
    $outstr  = PHP_EOL;

    $sock = open_socket();
    if ($sock !== false) {
	socket_write($sock, "LIST", 4096);

	/*
	 * Multiple reads until the remote closed the connection
	 */
	$answer = "";
	while (1) {
	    $line = socket_read($sock, 4096);
	    if ($line === '')
		break;
	    $answer .= $line;
	}
	socket_close($sock);
	$arr = explode("\r\n", $answer);

	$outstr .= '   <div id="jqxTabs">'.PHP_EOL;
	$outstr .= '    <ul>'.PHP_EOL;
	if (startsWith($arr[0], "212")) {
	    $i = 1;
	    while (1) {
		if (strcmp($arr[$i], ".") == 0)
			break;
		$parts = explode(",", $arr[$i]);
		$outstr .= '     <li style="margin-left: 20px;">'.$parts[1].'</li>'.PHP_EOL;
		$i++;
	    }
	}
	$outstr .= '    </ul>'.PHP_EOL;

	if (startsWith($arr[0], "212")) {
	    $i = 1;
	    while (1) {
		if (strcmp($arr[$i], ".") == 0)
		    break;
		$parts = explode(",", $arr[$i]);
		$outstr .= showunit($parts[0], $i);
		$i++;
	    }
	}
	$outstr .= '   </div> <!-- jqxTabs -->'.PHP_EOL;
    }

    return $outstr;
}


?>