CC-2284: Create script that verifies all required processes are running.
-initial check-in
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martin
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1 changed files with 248 additions and 0 deletions
248
utils/airtime-check-system.php
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248
utils/airtime-check-system.php
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<?php
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require_once '../airtime_mvc/library/php-amqplib/amqp.inc';
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//Step 1: Verify all config files in /etc/airtime/ exist and have size > 0 bytes.
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echo "*** Airtime System Check Script ***".PHP_EOL;
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set_error_handler("myErrorHandler");
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AirtimeCheck::CheckOsTypeVersion();
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AirtimeCheck::CheckConfigFilesExist();
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$airtimeIni = AirtimeCheck::GetAirtimeConf();
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$pypoCfg = AirtimeCheck::GetPypoCfg();
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AirtimeCheck::GetDbConnection($airtimeIni);
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AirtimeCheck::CheckRabbitMqVersion();
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AirtimeCheck::CheckRabbitMqConnection($airtimeIni);
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AirtimeCheck::CheckApacheVHostFiles();
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AirtimeCheck::GetAirtimeServerVersion($pypoCfg);
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class AirtimeCheck{
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public static function CheckPypoRunning(){
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//check using svstat
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}
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public static function CheckLiquidsoapRunning(){
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//connect via telnet
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}
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public static function CheckConfigFilesExist(){
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echo PHP_EOL."Verifying Config Files in /etc/airtime".PHP_EOL;
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$confFiles = array("airtime.conf",
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"liquidsoap.cfg",
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"pypo.cfg",
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"recorder.cfg");
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foreach ($confFiles as $cf){
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$fullPath = "/etc/airtime/$cf";
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echo "\t".$fullPath." ... ";
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if (file_exists($fullPath)){
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echo "[OK]".PHP_EOL;
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} else {
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echo "Not Found!".PHP_EOL;
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exit;
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}
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}
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}
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public static function GetAirtimeConf(){
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$ini = parse_ini_file("/etc/airtime/airtime.conf", true);
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if ($ini === false){
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echo "Error reading /etc/airtime/airtime.conf.".PHP_EOL;
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exit;
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}
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return $ini;
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}
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public static function GetPypoCfg(){
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$ini = parse_ini_file("/etc/airtime/pypo.cfg", false);
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if ($ini === false){
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echo "Error reading /etc/airtime/pypo.cfg.".PHP_EOL;
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exit;
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}
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return $ini;
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}
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public static function GetDbConnection($airtimeIni){
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$host = $airtimeIni["database"]["host"];
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$dbname = $airtimeIni["database"]["dbname"];
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$dbuser = $airtimeIni["database"]["dbuser"];
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$dbpass = $airtimeIni["database"]["dbpass"];
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$dbconn = pg_connect("host=$host port=5432 dbname=$dbname user=$dbuser password=$dbpass");
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echo PHP_EOL."Verifying Airtime Database".PHP_EOL;
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if ($dbconn === false){
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echo "\tConnection ... [Failed!]".PHP_EOL;
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exit;
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} else {
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echo "\tConnection ... [OK]".PHP_EOL;
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}
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}
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public static function CheckDbTables(){
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}
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/* The function tests for whether the rabbitmq-server package is
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* installed. RabbitMQ could be installed manually via tarball
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* and this function will fail to detect it! Unfortunately there
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* seems to be no other way to check RabbitMQ version. Will update
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* this function if I find a more universal solution. */
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public static function CheckRabbitMqVersion(){
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echo PHP_EOL."Checking RabbitMQ Version".PHP_EOL;
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$command = "dpkg -l | grep rabbitmq-server";
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exec($command, $output, $result);
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if (count($output) > 0){
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//version string always starts at character 45. Lets find
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//the end of this version string by looking for the first space.
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$start = 45;
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$end = strpos($output[0], " ", $start);
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$version = substr($output[0], $start, $end-$start);
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echo "\t$version ... [OK]".PHP_EOL;
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} else {
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echo "\trabbitmq-server package not found. [Failed!]".PHP_EOL;
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}
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}
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public static function CheckRabbitMqConnection($airtimeIni){
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echo PHP_EOL."Verifying RabbitMQ Service".PHP_EOL;
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try {
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$conn = new AMQPConnection($airtimeIni["rabbitmq"]["host"],
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$airtimeIni["rabbitmq"]["port"],
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$airtimeIni["rabbitmq"]["user"],
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$airtimeIni["rabbitmq"]["password"]);
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} catch (Exception $e){
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echo "\tConnection ... [Failed!]".PHP_EOL;
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exit;
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}
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echo "\tConnection ... [OK]".PHP_EOL;
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}
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public static function GetAirtimeServerVersion($pypoCfg){
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echo PHP_EOL."Checking Airtime Server Version".PHP_EOL;
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echo "\tConnecting to http://localhost/api/version".PHP_EOL;
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$baseUrl = $pypoCfg["base_url"];
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$basePort = $pypoCfg["base_port"];
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$apiKey = $pypoCfg["api_key"];
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$rh = fopen("http://$baseUrl:$basePort/api/version/api_key/$apiKey", "r");
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if ($rh !== false){
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while (($buffer = fgets($rh)) !== false) {
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$json = json_decode(trim($buffer), true);
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if (is_null($json)){
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echo "NULL STRING".PHP_EOL;
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} else {
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echo "\t\tAirtime Version ".$json["version"]." ... [OK] ".PHP_EOL;
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}
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}
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} else {
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echo "\t\tConnection ... [Failed!]".PHP_EOL;
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exit;
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}
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function handleError($errno, $errstr,$error_file,$error_line)
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{
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echo "<b>Error:</b> [$errno] $errstr - $error_file:$error_line";
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echo "<br />";
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echo "Terminating PHP Script";
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die();
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}
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}
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public static function CheckApacheVHostFiles(){
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echo PHP_EOL."Checking for Airtime Apache config files".PHP_EOL;
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$fileNames = array("/etc/apache2/sites-available/airtime",
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"/etc/apache2/sites-enabled/airtime");
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foreach ($fileNames as $fn){
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echo "\tChecking $fn ... ";
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if (file_exists($fn)){
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echo '[OK]'.PHP_EOL;
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} else {
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echo "[Failed!]".PHP_EOL;
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exit;
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}
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}
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//Since apache2 loads config files in alphabetical order
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//from the sites-enabled directory, we need to check if
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//airtime is lexically the first file in this directory.
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//get sorted array of files
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$arr = scandir("/etc/apache2/sites-enabled");
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foreach ($arr as $a){
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if ($a == "." || $a == ".."){
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continue;
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}
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if ($a == "airtime"){
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break;
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} else {
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echo "\t\t*Warning, the file \"$a\" is lexically ahead of the file \"airtime\" in".PHP_EOL;
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echo"\t\t /etc/apache2/sites-enabled and preventing airtime from being loaded".PHP_EOL;
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}
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}
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}
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public static function CheckOsTypeVersion(){
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echo PHP_EOL."Checking operating system.".PHP_EOL;
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if (file_exists("/etc/lsb-release")){
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$ini = parse_ini_file("/etc/lsb-release", false);
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//lsb-release existing implies a Ubuntu installation.
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echo "\tUbuntu based distribution found: ".$ini["DISTRIB_DESCRIPTION"].PHP_EOL;
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} else if (file_exists("/etc/debian_version")) {
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//if lsb-release does not exist, lets check if we are
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//running on Debian. Look for file /etc/debian_version
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$handler = fopen("/etc/debian_version", "r");
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$version = trim(fgets($handler));
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echo "\tDebian based distribution found: ".$version.PHP_EOL;
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} else {
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echo "\tWARNING: Unknown OS Type".PHP_EOL;
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}
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}
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}
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// error handler function
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function myErrorHandler($errno, $errstr, $errfile, $errline)
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{
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if ($errno == E_WARNING){
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if (strpos($errstr, "401") !== false){
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echo "\t\tServer is running but could not find Airtime".PHP_EOL;
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} else if (strpos($errstr, "Connection refused") !== false){
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echo "\t\tServer does not appear to be running".PHP_EOL;
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} else {
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//echo $errstr;
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}
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}
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/* Don't execute PHP internal error handler */
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return true;
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}
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