finishing debugging presence detection

daemons/presenceDaemon.php

@@ -0,0 +1,100 @@
+#!/usr/bin/php
+<?php
+define("EOL", "\n");
+
+$title = "PresenceDaemon";
+cli_set_process_title($title);
+file_put_contents("/proc/".getmypid()."/comm",$title);
+declare(ticks = 1);
+
+require "/etc/moha/liste_telephones.php";
+
+$msg = "";
+$result = array();
+$presence = array();
+$curlErr = 0;
+$command = "sudo nmap -n -sP 192.168.1.*";		//need to configure /etc/sudo/sudoers to permit execution of nmap as superuser
+echo "presenceDaemon is starting\n";
+
+while (1)
+{
+	//echo "presenceDaemon is testing\n";
+	$msg = "";
+	exec($command, $result);
+
+	foreach ($macAddresses as $name =>$value)
+	{
+		if (!array_key_exists($name, $presence))
+		{
+			$presence[] = $name;
+			$presence[$name] = false;
+		}
+		$r = search($value, $result);
+
+		if ($r === true)
+		{
+			echo "présent\n";
+			if ($presence[$name] === false)
+			{
+				$presence[$name] = true;
+				$msg .= "nom=" . $name . _("&presence=true");
+				send($msg);
+				echo $name . " est mis présent dans tableau\n";
+			}
+		}elseif ($presence[$name] === true)
+		{
+			$presence[$name] = false;
+			echo $name . " est mis absent dans tableau\n";
+			$msg .= "nom=" . $name . _("&presence=false");
+			send($msg);
+		}
+	}
+
+	sleep(1);
+}
+
+function search($needle, $array)
+{
+	foreach ($array as $string)
+	{
+		if (str_contains($string, $needle))
+		{
+			echo "found\n";
+			return true;
+		}
+	}
+	return false;
+}
+
+function send($msg)
+{
+	global $curlErr;
+	$ch = curl_init();
+
+	$msg = "http://localhost:1025/present&" . $msg;
+	// set url
+	curl_setopt($ch, CURLOPT_URL, $msg );
+
+	// return the transfer as a string
+	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+	// $result contains the output string
+			echo  _("Curl sending message -") . __FILE__ . ":" . __LINE__ . EOL;
+
+	if ($curlErr <= 5)
+	{
+		echo $msg . EOL;
+		curl_exec($ch);
+		if (curl_errno($ch) != 0)
+		{
+			$curlErr += 1;
+			echo sprintf( _("Sleeping 1 minute because Curl return error  %d: %s when sending notification - "), curl_errno($ch), curl_error($ch)) . __FILE__ . ":" . __LINE__ . EOL;
+			sleep (60);
+		}else
+		{
+			echo _("Curl return no error - ") . __FILE__ . ":" . __LINE__ . EOL;
+			$curlErr = 0;
+		}
+	}
+}
+
+?>