Updated the start/stop server icons; added routes to handle server stop/start

This commit is contained in:
Gregory Ballantine 2022-09-24 20:45:37 -04:00
parent b41b246483
commit 5699c9cf6a
5 changed files with 75 additions and 8 deletions

1
pid_manual.txt Normal file
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@ -0,0 +1 @@
628624

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@ -20,7 +20,7 @@ class Server {
$dirBits = explode('/', $dir);
$this->rootDir = $dir;
$this->serverName = $dirBits[count($dirBits) - 1];
$this->pidFilePath = $dir . '/pid.txt';
$this->pidFilePath = $this->rootDir . '/pid.txt';
// get server version
$versionFile = join('/', array($this->rootDir, 'current_version.txt'));
@ -28,23 +28,58 @@ class Server {
$this->serverVersion = file($versionFile)[0];
}
// search for server state
// search for server PID file
if (file_exists($this->pidFilePath)) {
// get and search for PID
$pid = trim($this->getPid());
if (file_exists('/proc/' . $pid)) {
// set server state to true since it is running
$this->state = true;
} else {
// delete the PID file since it's no longer needed
unlink($this->pidFilePath);
}
}
}
// start the server
public function start(): void {
// TODO - for now just set the state to true
$command = $this->rootDir . '/start.sh > /dev/null 2>&1 & echo $!';
exec($command, $output);
// use lsof to
$pidResult = exec('lsof ' . $this->rootDir . '/server*.jar | grep .jar');
$pid = preg_split('/\s+/', $pidResult, -1, PREG_SPLIT_NO_EMPTY)[1];
$pidFile = fopen($this->pidFilePath, 'w');
fwrite($pidFile, $pid);
fclose($pidFile);
// set server state to true
$this->state = true;
}
// stop the server
public function stop(): void {
// TODO - for now just set the state to false
$pid = $this->getPid();
if ($pid != -1) {
// kill the process gracefully
exec('kill -15 ' . $pid);
// set server state to false
$this->state = false;
}
}
// get the server's PID
private function getPid(): int {
// search for server PID file
if (file_exists($this->pidFilePath)) {
// get and return server PID
return trim(file($this->pidFilePath)[0]);
}
// return a 'false' result
return -1;
}
// getters & setters
public function getDirectory(): string {

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@ -67,3 +67,33 @@ $app->post('/create', function (Request $request, Response $response, $args) {
->withHeader('Location', '/')
->withStatus(302);
});
// server start route
$app->get('/server/{serverName}/start', function (Request $request, Response $response, $args) {
$config = $this->get('config');
$serverDir = join('/', array($config->get('server_directory'), $args['serverName']));
// create server object and start it
$server = new Server($serverDir);
$server->start();
// redirect the user back to the home page
return $response
->withHeader('Location', '/')
->withStatus(302);
})->setName('start');
// server stop route
$app->get('/server/{serverName}/stop', function (Request $request, Response $response, $args) {
$config = $this->get('config');
$serverDir = join('/', array($config->get('server_directory'), $args['serverName']));
// create server object and start it
$server = new Server($serverDir);
$server->stop();
// redirect the user back to the home page
return $response
->withHeader('Location', '/')
->withStatus(302);
})->setName('stop');

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@ -33,8 +33,8 @@
<td>{{ m.getVersion() }}</td>
<td>{{ m.getState() ? 'Running' : 'Stopped' }}</td>
<td>
<a href="/server/{{ m.getName() }}/start">Start</a>
<a href="/server/{{ m.getName() }}/stop">Stop</a>
<a href="/server/{{ m.getName() }}/start"><i class="fa-solid fa-play"></i></a>
<a href="/server/{{ m.getName() }}/stop"><i class="fa-solid fa-stop"></i></a>
</td>
{% endfor %}
</tr>

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@ -5,6 +5,7 @@
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Minecraft Server Tool</title>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.2.0/css/all.min.css">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/skeleton/2.0.4/skeleton.min.css">
<link rel="stylesheet" href="/css/wyrm.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.6.1/jquery.min.js"></script>