function systemExecute($command, $timeout = 60, $sleep = 2)
{
// Execute $command in a new process
$pid = PsExec($command);
if ($pid === false) {
return 1;
}
$cur = 0;
// Second, loop for $timeout seconds checking if process is running
while ($cur < $timeout) {
sleep($sleep);
$cur += $sleep;
// If process is no longer running, return true;
if (!PsExists($pid)) {
return 0;
}
// Process must have exited, success!
}
// If process is still running after timeout, kill the process and return false
PsKill($pid);
return 2;
}
function PsExecute($command, $timeout = 10, $sleep = 2)
{
// First, execute the process, get the process ID
$pid = PsExec($command);
if ($pid === false) {
return false;
}
$cur = 0;
// Second, loop for $timeout seconds checking if process is running
while ($cur < $timeout) {
sleep($sleep);
$cur += $sleep;
// If process is no longer running, return true;
//echo "\n ---- $cur ------ \n";
if (!PsExists($pid)) {
return true;
}
// Process must have exited, success!
}
// If process is still running after timeout, kill the process and return false
PsKill($pid);
return false;
}
function checkFinishedTraining()
{
global $conn;
$log = "";
$num_images_pending = ew_ExecuteScalar("select count(*) from training_concepts WHERE (id_training_concepts_status \t = 3)");
echo "{$num_images_pending} training concepts processing<br>";
if ($num_images_pending) {
$image_to_download = EW_FLICKR_IMAGE_DOWNLOADED;
$rs = $conn->Execute("SELECT * from training_concepts WHERE (id_training_concepts_status \t = 3 ) ");
$rs->MoveFirst();
while (!$rs->EOF) {
$pid = $rs->fields('processId');
if (PsExists($pid)) {
echo "<br> Il concetto " . $rs->fields('name') . " con pid: {$pid} è ancora in fase di processing";
} else {
echo "<br> Il concetto " . $rs->fields('name') . " con pid: {$pid} ha terminato il processing";
// die();
$conn->Execute("UPDATE training_concepts set id_training_concepts_status = 4, end_processing = NOW() WHERE id = '" . $rs->fields('id') . "'");
}
$rs->MoveNext();
}
}
}
