/**
* Judge the current task
*
* @return updated task
*/
function judge()
{
static $binfile = '';
static $last_compilation_status = -1;
static $last_compileroutput = '';
if (!$this->last_task_is_simlar()) {
onlinejudge_clean_temp_dir();
$files = $this->create_temp_files();
$binfile = $this->compile($files);
$last_compilation_status = $this->task->status;
$last_compileroutput = $this->task->compileroutput;
} else {
// reuse results of last compilation
$this->task->status = $last_compilation_status;
$this->task->compileroutput = $last_compileroutput;
}
if ($this->task->status == ONLINEJUDGE_STATUS_COMPILATION_OK && !$this->task->compileonly) {
$this->run_in_sandbox($binfile);
}
return $this->task;
}
$plugin_version = get_config('local_onlinejudge', 'version');
while (!$forcestop) {
judge_all_unjudged();
if ($options['once']) {
break;
}
//Check interval is 5 seconds
// TODO: definable by admin
sleep(5);
if ($plugin_version < get_config('local_onlinejudge', 'version')) {
verbose('Plugin was upgraded.');
break;
}
}
verbose('Clean temp files.');
onlinejudge_clean_temp_dir(false);
// Clean full tree of temp dir
verbose('Judge daemon exits.');
fclose($LOCK);
/**
* Return one unjudged task and set it status as JUDGING
*
* @return an unjudged task or null;
*/
function get_one_unjudged_task()
{
global $CFG, $DB, $LOCK;
$task = null;
flock($LOCK, LOCK_EX);
// try locking, but ignore if not available (eg. on NFS and FAT)
try {
