function fs_lazy_get_latest_version_info($url, $type, $default_check_interval, &$error, $force_check = false)
{
$fsdb = fs_get_db_conn();
if (!$fsdb->is_connected()) {
return null;
}
$version_check_enabled = fs_get_system_option($type . "_version_check_enabled", 'true');
if ($version_check_enabled != 'false' || $force_check) {
$last_version_check_time = (int) fs_get_system_option($type . '_last_version_check_time');
$version_check_interval = (int) fs_get_system_option($type . '_version_check_interval', $default_check_interval);
$now = time();
$d = $last_version_check_time + $version_check_interval;
if ($now > $d || $force_check) {
// in case of an a freeze due to server networking problem, we don't want subsequent calls to check again.
// for this reason, I deactivate the version check for the specifed type before testing, and reactivate it after
// if the script hangs, the user will probably reload and this time it will work because the check
// will never be re-activated.
fs_update_system_option($type . "_version_check_enabled", 'false');
// time to check
$err = '';
$info = fs_get_latest_version_info($url, $err);
if ($err != '') {
$error = sprintf(fs_r('Error getting version information from %s : %s'), $url, $err);
return null;
}
fs_update_system_option($type . '_last_version_check_time', $now);
// the fetch was successful, we can re-activate the version check
fs_update_system_option($type . "_version_check_enabled", 'true');
// if data is null we have a networking problem. just pretend everything is fine
// so the server will not continue trying till enough time passed
if ($info != null) {
fs_update_system_option($type . '_last_version_info_on_server', serialize($info));
}
return $info;
} else {
// use cached result from last check
$info = fs_get_system_option($type . '_last_version_info_on_server');
if ($info) {
return unserialize($info);
} else {
// if for some reason we have n data in the cache, try again, this time with force_check = true.
return fs_lazy_get_latest_version_info($url, $type, $error, $default_check_interval, true);
}
}
} else {
return null;
// user does not want version check. assume we are good.
}
}
/**
* store some usage FireStats usage information
*/
function fs_maintain_usage_stats()
{
if (fs_is_admin()) {
$first_run_time = fs_get_system_option('first_run_time');
if (!$first_run_time) {
fs_update_system_option('first_run_time', time());
}
$firestats_id = fs_get_system_option('firestats_id');
if (!$firestats_id) {
fs_update_system_option('firestats_id', mt_rand());
}
}
$first_login = fs_get_option('first_login');
if (!$first_login) {
fs_update_option('first_login', time());
}
}
function fs_add_pending_maintanence_job($id)
{
$jobs = fs_get_system_option('pending_maintanence', '');
if ($jobs == '') {
$jobs = $id;
} else {
$jobs .= ",{$id}";
}
// remove duplicate jobs
$jobs = implode(',', array_unique(explode(',', $jobs)));
fs_update_system_option('pending_maintanence', $jobs);
}
function fs_ajax_handle_pending_maintanence(&$response)
{
$str = fs_get_system_option('pending_maintanence', '');
if ($str != '') {
$jobs = explode(',', $str);
if (count($jobs) > 0) {
$job = array_pop($jobs);
$response['execute'] = "FS.executeProcess('{$job}')";
fs_update_system_option('pending_maintanence', implode(',', $jobs));
}
}
}
