/**
* @param string|callable $command_getter
* @param array|callable $output_setter
* @param array|callable $retval_setter
* @return callable
*/
function proc_exec_dg($command_getter, &$output_setter = array(), &$retval_setter = null)
{
return function () use($command_getter, &$output_setter, &$retval_setter) {
$args = func_get_args();
if (is_callable($command_getter)) {
$command = call_user_func_array($command_getter, $args);
} else {
$command = $command_getter;
}
$ret = proc_exec($command, $output, $retval);
if (is_callable($output_setter)) {
$output_setter($output);
} else {
$output_setter = $output;
}
if (is_callable($retval_setter)) {
$retval_setter($retval);
} else {
$retval_setter = $retval;
}
return $ret;
};
}
</head>
<body>
<div style="clear: both"></div>
<div class="content1">
';
?>
<p>
<form action="restart_nginx.php" method="post">
<strong><font color="#0570b9">Restart ApacheBooster Server </font></strong> <input type="submit" name="submit" value="Restart">
</form>
<?php
if (isset($_POST['submit'])) {
$f = fopen("/usr/local/varnish/varnish_restart/restart.file", 'w');
fwrite($f, "dummy");
fclose($f);
echo "<b>ApacheBooster restart process completed </b><br />";
echo "<pre>";
proc_exec("/etc/init.d/httpd status");
echo "</pre>";
}
?>
</p>
<br /><br /><br /><br /><br />
<?php
include 'footer.php';
?>
/**
* Convert HTML file to image and save it to $target
* @param string $source path
* @param string $target path
* @param array $options
*/
function wk_conv_file_to_img_file($source, $target, $options)
{
debug_enforce(file_exists($source) && is_file($source), "File '{$source}' doesn't exists.");
proc_exec(wk_pdf_cli_build($source, $target, $options));
debug_enforce(file_exists($target) && is_file($target) && is_readable($target), "Could not generate '{$source}'.");
}
function compileProgram($sourcefile, $sourcedir, $classfile, $class, $inputs, $args, $processname, $data, $problem_number, $file_input_title, $file_input_data, $file_output_data, $problem_timeout, $team)
{
@mkdir($sourcedir, 0755, true);
$outputfile = "{$classfile}";
chdir("/tmp/{$processname}");
$handle = fopen($sourcefile, 'w+');
fwrite($handle, $data);
fclose($handle);
if ($file_input_data !== "") {
$handle = fopen($file_input_title . '.in', 'w+');
fwrite($handle, $file_input_data);
fclose($handle);
}
$conn = mysqli_connect(host, user, pw, db);
$data = mysqli_real_escape_string($conn, $data);
mysqli_close($conn);
$compile_error = false;
$runtime_error = false;
$compile_data = proc_exec("javac -cp . {$sourcefile} 2>&1", "", "compile", $problem_timeout);
if ($compile_data["output"] != "") {
$compile_error = true;
}
#chdir(dirname(__FILE__));
#$exec_data = proc_exec("java -classpath ../classloader ContestJudge /tmp/$processname/ ".substr($classfile,0,strlen($classfile)-6), $inputs, "execute");
$exec_data = proc_exec("java -classpath {$sourcedir} {$class} {$args} 2>&1", $inputs, "execute", $problem_timeout);
if ($exec_data["success"] === "false") {
$conn = mysqli_connect(host, user, pw, db);
$cur_time = date("Y-m-d H:i:s");
$query = "INSERT INTO submissions (id, team, problem, time, subid, code, output, success, error, real_output) VALUES (NULL, '{$team}', '{$problem_number}','{$cur_time}','{$processname}','{$data}','', 'No', 'Timeout', '{$file_output_data}')";
mysqli_query($conn, $query);
mysqli_close($conn);
return array("success" => "false", "error" => "Your program ran longer than the time alotted! Please make sure you don't go above the time limit. [Timeout error]");
}
if (preg_match("/.?Exception in thread/", $exec_data["output"]) == 1) {
$runtime_error = true;
}
exec("rm -rf /tmp/{$processname}*");
//compilation successful
if ($compile_data["success"] === "true" && $exec_data["success"] === "true" && $compile_error === false && $runtime_error === false) {
$conn = mysqli_connect(host, user, pw, db);
$timestamp_a = $exec_data['timestamp'];
$output_a = mysqli_real_escape_string($conn, $exec_data['output']);
if (judge($file_output_data, $exec_data['output'])) {
//correct answer
$query = "INSERT INTO submissions (id, team, problem, time, subid, code, output, success, error, real_output) VALUES (NULL, '{$team}', '{$problem_number}','{$timestamp_a}','{$processname}','{$data}','{$output_a}', 'Yes', 'None', '{$file_output_data}')";
mysqli_query($conn, $query);
mysqli_close($conn);
return array("success" => "true", "time" => $exec_data['time']);
} else {
//incorrect answer
$query = "INSERT INTO submissions (id, team, problem, time, subid, code, output, success, error, real_output) VALUES (NULL, '{$team}', '{$problem_number}','{$timestamp_a}','{$processname}','{$data}','{$output_a}', 'No', 'None', '{$file_output_data}')";
mysqli_query($conn, $query);
mysqli_close($conn);
return array("success" => "false", "error" => "Your output was incorrect!");
}
} else {
if ($compile_error) {
$conn = mysqli_connect(host, user, pw, db);
$cur_time = date("Y-m-d H:i:s");
$output_a = mysqli_real_escape_string($conn, $compile_data['output']);
$query = "INSERT INTO submissions (id, team, problem, time, subid, code, output, success, error, real_output) VALUES (NULL, '{$team}', '{$problem_number}','{$cur_time}','{$processname}','{$data}','{$output_a}', 'No', 'Syntax', '{$file_output_data}')";
mysqli_query($conn, $query);
mysqli_close($conn);
return array("success" => "false", "error" => "Your program was unable to compile! Please check for syntax errors and resubmit. [Syntax error]");
} else {
if ($runtime_error) {
$conn = mysqli_connect(host, user, pw, db);
$cur_time = date("Y-m-d H:i:s");
$output_a = mysqli_real_escape_string($conn, $exec_data['output']);
$query = "INSERT INTO submissions (id, team, problem, time, subid, code, output, success, error, real_output) VALUES (NULL, '{$team}', '{$problem_number}','{$cur_time}','{$processname}','{$data}','{$output_a}', 'No', 'Runtime', '{$file_output_data}')";
mysqli_query($conn, $query);
mysqli_close($conn);
return array("success" => "false", "error" => "Your program encountered an error while running! Please check your program logic and resubmit. [Runtime error]");
}
}
}
//something terrible occured
return array("success" => "false", "error" => "Unknown error, something huge has gone wrong!");
}
if (!strlen($pstatus["exitcode"]) || $pstatus["running"]) {
/* we can trust the retval of proc_close() */
if ($pstatus["running"]) {
proc_terminate($ptr);
}
$ret = proc_close($ptr);
} else {
if (($first_exitcode + 256) % 256 == 255 && ($pstatus["exitcode"] + 256) % 256 != 255) {
$ret = $pstatus["exitcode"];
} elseif (!strlen($first_exitcode)) {
$ret = $pstatus["exitcode"];
} elseif (($first_exitcode + 256) % 256 != 255) {
$ret = $first_exitcode;
} else {
$ret = 0;
}
/* we "deduce" an EXIT_SUCCESS ;) */
proc_close($ptr);
}
return ($ret + 256) % 256;
}
/* __init__ */
if (isset($argv) && count($argv) > 1 && !empty($argv[1])) {
if (($ret = proc_exec($argv[1])) === false) {
die("Error: not enough FD or out of memory.\n");
} elseif ($ret == 127) {
die("Command not found (returned by sh).\n");
} else {
exit($ret);
}
}
function action_varnish($action)
{
proc_exec($action);
echo "Finished";
}
function tune_varnish($action)
{
proc_exec($action);
}
// Just a dummy job
$worker->teach("test", function ($parameters = []) {
echo "-> PW execution with parameters: " . json_encode($parameters) . "\n";
sleep(5);
// Simulate hard work
// TODO: Acquire locks, check that the job has not been started and update so
});
// Meant for testing recovery
$worker->teach("test_kill", function ($parameters = []) {
aadfg();
});
// This is far from the actual executor, but useful for simple tests
$worker->teach("pw_simple", function ($parameters = []) {
$output = "";
$error = "";
$retval = proc_exec("php vendor/bin/pw_exec.php", json_encode($parameters), $output, $error);
$haveOutput = false;
$failed = false;
if (strlen($output)) {
echo $output;
}
if (strlen($error)) {
file_put_contents("php://stderr", $error);
}
if ($retval != 0) {
file_put_contents("php://stderr", "-> Sub process failed with exit code {$retval}\n");
} else {
echo "-> OK!\n";
}
});
// To peek on the env
<?php
//echo $imagetag
//if (!$basedir = mkdir($CFG->dataroot.'/temp/hocr')) {
//error("The site administrator needs to fix the file permissions");
//}
echo "<br/>";
$imagefile = str_ireplace("{$CFG->wwwroot}/file.php/", "", $imageurl);
$tempocrfile = $CFG->dataroot . '/temp/hocr/' . $USER->id . '_' . time() . '.text';
echo "<br/>";
if (file_exists('/usr/bin/hocr')) {
$exec_string = '/usr/bin/hocr -d --no-gtk -o ' . $tempocrfile . ' -i ' . $CFG->dataroot . '/' . $imagefile;
//$exec_string = '/usr/bin/hocr -h';
//$exec_string = '/var/www/moodle-latest-stable/lib/editor/htmlarea/custom_plugins/hocr/hocr -h';
echo $exec_string . "<br/>";
$ret = proc_exec($exec_string);
//echo exec('whoami');
//echo "HOCR - YES [$exec_string]<hr/>";
//$hocrtext = file_get_contents($tempocrfile, FILE_USE_INCLUDE_PATH);
//echo $hocrtext;
//exec('rm -rf '.$toFile); // Linux specific!
}
/*
* Wrapper for proc_*() functions.
* The first parameter $cmd is the command line to execute.
* Return the exit code of the process.
*/
function proc_exec($cmd)
{
$descriptorspec = array(0 => array("pipe", "r"), 1 => array("pipe", "w"), 2 => array("pipe", "w"));
$ptr = proc_open($cmd, $descriptorspec, $pipes, NULL, $_ENV);
/**
* @param string $backupFile
* @return array
*/
function tar_ls($backupFile)
{
proc_exec("tar -ztvf {$backupFile} | awk '{print \$6}'", $output);
return $output;
}
