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executable file 123 lines (110 sloc) 3.157 kB
#!/usr/bin/env php
<?php
/*
* Copyright 2012 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
$root = dirname(dirname(dirname(dirname(__FILE__))));
require_once $root.'/scripts/__init_script__.php';
if (!posix_isatty(STDOUT)) {
$sid = posix_setsid();
if ($sid <= 0) {
throw new Exception('Failed to create new process session!');
}
}
$args = new PhutilArgumentParser($argv);
$args->setTagline('daemon executor');
$args->setSynopsis(<<<EOHELP
**exec_daemon.php** [__options__] __daemon__ ...
Run an instanceof __daemon__.
EOHELP
);
$args->parse(
array(
array(
'name' => 'trace',
'help' => 'Enable debug tracing.',
),
array(
'name' => 'trace-memory',
'help' => 'Enable debug memory tracing.',
),
array(
'name' => 'log',
'param' => 'file',
'help' => 'Send output to __file__.',
),
array(
'name' => 'load-phutil-library',
'param' => 'library',
'repeat' => true,
'help' => 'Load __library__.',
),
array(
'name' => 'verbose',
'help' => 'Enable verbose activity logging.',
),
array(
'name' => 'more',
'wildcard' => true,
),
));
$trace_memory = $args->getArg('trace-memory');
$trace_mode = $args->getArg('trace') || $trace_memory;
$verbose = $args->getArg('verbose');
$log = $args->getArg('log');
if ($log) {
ini_set('error_log', $log);
$echo_to_stderr = true;
} else {
$echo_to_stderr = false;
}
$load = $args->getArg('load-phutil-library');
$argv = $args->getArg('more');
if ($load) {
foreach ($load as $library) {
$library = Filesystem::resolvePath($library);
phutil_load_library($library);
}
}
PhutilErrorHandler::initialize();
function phutil_daemon_error_listener($event, $value, array $metadata) {
$message = idx($metadata, 'default_message');
if ($message) {
fwrite(STDERR, $message);
}
}
if ($echo_to_stderr) {
// If the caller has used "--log" to redirect the error log to a file, PHP
// won't output it to stderr so the overseer can't capture it and won't
// be able to send it to the web console. Install a listener which just echoes
// errors to stderr, so we always get all the messages in the log and over
// stdio, so they'll show up in the web console.
PhutilErrorHandler::setErrorListener('phutil_daemon_error_listener');
}
$daemon = array_shift($argv);
if (!$daemon) {
$args->printHelpAndExit();
}
$daemon = newv($daemon, array($argv));
if ($trace_mode) {
$daemon->setTraceMode();
}
if ($trace_memory) {
$daemon->setTraceMemory();
}
if ($verbose) {
$daemon->setVerbose(true);
}
$daemon->execute();
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