functions.inc.php

<?php
//from weather plugin	// pjd 7/15/2019
function getHTML($url,$timeout)
{
	$ch = curl_init($url); // initialize curl with given url
	curl_setopt($ch, CURLOPT_USERAGENT, $_SERVER["HTTP_USER_AGENT"]); // set  useragent
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); // write the response to a variable
	curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); // follow redirects if any
	curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout); // max. seconds to execute
	curl_setopt($ch, CURLOPT_FAILONERROR, 1); // stop when it encounters an error
	return @curl_exec($ch);
}

//get north pole scrape
function getNorthPole() {
	include_once("simple_html_dom.php");
	//use curl to get html content

	$html=getHTML("http://psc.apl.washington.edu/northpole/",10);
	// Find all images on webpage
	
	
	// Find all links on webpage
	foreach($html->find("a") as $element)
		echo $element->href . '<br>';
}

//is fppd running?????
function isFPPDRunning() {
	$FPPDStatus=null;
	logEntry("Checking to see if fpp is running...");
        exec("if ps cax | grep -i fppd; then echo \"True\"; else echo \"False\"; fi",$output);

        if($output[1] == "True" || $output[1] == 1 || $output[1] == "1") {
                $FPPDStatus = "RUNNING";
        }
	//print_r($output);

	return $FPPDStatus;
        //interate over the results and see if avahi is running?

}
//get current running playlist
function getRunningPlaylist() {

	global $sequenceDirectory;
	$playlistName = null;
	$i=0;
	//can we sleep here????

	//sleep(10);
	//FPPD is running and we shoud expect something back from it with the -s status query
	// #,#,#,Playlist name
	// #,1,# = running

	$currentFPP = file_get_contents("/tmp/FPP.playlist");
	logEntry("Reading /tmp/FPP.playlist : ".$currentFPP);
	if($currentFPP == "false") {
		logEntry("We got a FALSE status from fpp -s status file.. we should not really get this, the daemon is locked??");
	}
	$fppParts="";
	$fppParts = explode(",",$currentFPP);
//	logEntry("FPP Parts 1 = ".$fppParts[1]);

	//check to see the second variable is 1 - meaning playing
	if($fppParts[1] == 1 || $fppParts[1] == "1") {
		//we are playing

		$playlistParts = pathinfo($fppParts[3]);
		$playlistName = $playlistParts['basename'];
		logEntry("We are playing a playlist...: ".$playlistName);
		
	} else {

		logEntry("FPPD Daemon is starting up or no active playlist.. please try again");
	}
	
	
	//now we should have had something
	return $playlistName;
}
function logEntry($data) {

	global $logFile,$myPid;

	

		$data = $_SERVER['PHP_SELF']." : [".$myPid."] ".$data;
	
	$logWrite= fopen($logFile, "a") or die("Unable to open file!");
	fwrite($logWrite, date('Y-m-d h:i:s A',time()).": ".$data."\n");
	fclose($logWrite);
}



function processCallback($argv) {
	global $DEBUG,$pluginName;
	
	
	if($DEBUG)
		print_r($argv);
	//argv0 = program
	
	//argv2 should equal our registration // need to process all the rgistrations we may have, array??
	//argv3 should be --data
	//argv4 should be json data
	
	$registrationType = $argv[2];
	$data =  $argv[4];
	
	logEntry("PROCESSING CALLBACK: ".$registrationType);
	$clearMessage=FALSE;
	
	switch ($registrationType)
	{
		case "media":
			if($argv[3] == "--data")
			{
				$data=trim($data);
				logEntry("DATA: ".$data);
				$obj = json_decode($data);
	
				$type = $obj->{'type'};
				logEntry("Type: ".$type);	
				switch ($type) {
						
					case "sequence":
						logEntry("media sequence name received: ");	
						processSequenceName($obj->{'Sequence'},"STATUS");
							
						break;
					case "media":
							
						logEntry("We do not support type media at this time");
							
						//$songTitle = $obj->{'title'};
						//$songArtist = $obj->{'artist'};
	
	
						//sendMessage($songTitle, $songArtist);
						//exit(0);
	
						break;
						
						case "both":
								
						logEntry("We do not support type media/both at this time");
						//	logEntry("MEDIA ENTRY: EXTRACTING TITLE AND ARTIST");
								
						//	$songTitle = $obj->{'title'};
						//	$songArtist = $obj->{'artist'};
							//	if($songArtist != "") {
						
						
						//	sendMessage($songTitle, $songArtist);
							//exit(0);
						
							break;
	
					default:
						logEntry("We do not understand: type: ".$obj->{'type'}. " at this time");
						exit(0);
						break;
	
				}
	
	
			}
	
			break;
			exit(0);
	
		case "playlist":

			logEntry("playlist type received");
			if($argv[3] == "--data")
                        {
                                $data=trim($data);
                                logEntry("DATA: ".$data);
                                $obj = json_decode($data);
				$sequenceName = $obj->{'sequence0'}->{'Sequence'};	
				$sequenceAction = $obj->{'Action'};	
                                                processSequenceName($sequenceName,$sequenceAction);
                                                //logEntry("We do not understand: type: ".$obj->{'type'}. " at this time");
                                        //      logEntry("We do not understand: type: ".$obj->{'type'}. " at this time");
			}

			break;
			exit(0);			
		default:
			exit(0);
	
	}
	

}
?>