public function testListensForEvents()
{
$listener = new EventListener();
$es = fopen('php://memory', 'w+');
$is = fopen('php://memory', 'w+');
$os = fopen('php://memory', 'w+');
$listener->setErrorStream($es)->setOutputStream($os)->setInputStream($is);
// Make sure blank lines are ignored
fwrite($is, "\n");
fwrite($is, "ver:3.0 server:supervisor serial:313 pool:event_listener poolserial:313 eventname:TICK_5 len:15\n");
fwrite($is, "when:1313021985");
fwrite($is, "ver:3.0 server:supervisor serial:313 pool:event_listener poolserial:313 eventname:TICK_60 len:15\n");
fwrite($is, "when:1313021990");
fwrite($is, "ver:3.0 server:supervisor serial:313 pool:event_listener poolserial:313 eventname:TICK_3600 len:15\n");
fwrite($is, "when:1313021995");
rewind($is);
$total = 0;
$listener->listen(function (EventListener $listener, EventNotification $event) use(&$total) {
$listener->log((string) $event);
if (++$total == 1) {
return true;
} else {
if ($total == 2) {
return false;
} else {
return 'quit';
}
}
});
rewind($es);
rewind($os);
// Ensure that the correct output was given
$this->assertEquals("READY\nRESULT 2\nOKREADY\nRESULT 4\nFAILREADY\n", stream_get_contents($os));
// Ensure that the messages were logged properly
$this->assertEquals(6, count(explode("\n", trim(stream_get_contents($es)))));
// Make sure the entire stream was read
$this->assertEquals('', stream_get_contents($is));
}
<?php
/**
* Here is a simple example of creating a supervisor event listener
*/
require_once __DIR__ . '/../vendor/autoload.php';
use Mtdowling\Supervisor\EventListener;
use Mtdowling\Supervisor\EventNotification;
$listener = new EventListener();
$listener->listen(function (EventListener $listener, EventNotification $event) {
// Log information about the event
$listener->log($event->getEventName());
$listener->log($event->getServer());
$listener->log($event->getPool());
// Try messing around with supervisorctl to restart processes and see what
// data is available
$listener->log(var_export($event->getData(), true));
return true;
});
* command=php /path/to/examples/processes.php /tmp/processes.txt
* process_name=%(program_name)s_%(process_num)02d
* events=PROCESS_STATE_STARTING,PROCESS_STATE_STOPPING,PROCESS_STATE_STOPPED,PROCESS_STATE_FATAL,PROCESS_STATE_UNKNOWN,PROCESS_STATE_EXITED,PROCESS_STATE_BACKOFF,PROCESS_STATE_RUNNING
* numprocs=1
* autostart=true
* autorestart=unexpected
*/
require_once __DIR__ . '/../vendor/autoload.php';
use Mtdowling\Supervisor\EventListener;
use Mtdowling\Supervisor\EventNotification;
// Requires a file name as an argument
if (!isset($argv[1])) {
echo 'This script requires that a file name be passed as a single parameter';
exit(1);
}
$filename = $argv[1];
$f = fopen($filename, 'a');
if (!$f) {
echo 'Unable to open ' . $filename . ' for writing';
exit(1);
}
$listener = new EventListener();
$listener->listen(function (EventListener $listener, EventNotification $event) use($f) {
$state = $event->getEventName();
if (strpos($state, 'PROCESS_STATE_') !== false) {
$name = $event->getData('groupname') ? $event->getData('groupname') : $event->getData('processname');
fwrite($f, "{$name},{$state}\n");
}
return true;
});
fclose($f);
