déplacer nulib/tools dans nur/sery/tools
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<?php
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namespace nulib\tools;
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use nulib\app;
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use nulib\app\cli\Application;
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use nulib\app\RunFile;
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use nulib\ExitError;
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use nulib\ext\yaml;
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use nulib\os\path;
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use nulib\os\proc\Cmd;
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use nulib\os\sh;
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use nulib\output\msg;
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class BgLauncherApp extends Application {
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const ACTION_INFOS = 0, ACTION_START = 1, ACTION_STOP = 2;
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const ARGS = [
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"purpose" => "lancer un script en tâche de fond",
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"usage" => "ApplicationClass args...",
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"sections" => [
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parent::VERBOSITY_SECTION,
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],
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["-i", "--infos", "name" => "action", "value" => self::ACTION_INFOS,
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"help" => "Afficher des informations sur la tâche",
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],
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["-s", "--start", "name" => "action", "value" => self::ACTION_START,
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"help" => "Démarrer la tâche",
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],
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["-k", "--stop", "name" => "action", "value" => self::ACTION_STOP,
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"help" => "Arrêter la tâche",
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],
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];
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protected int $action = self::ACTION_START;
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protected ?array $args = null;
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static function show_infos(RunFile $runfile, ?int $level=null): void {
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msg::print($runfile->getDesc(), $level);
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msg::print(yaml::with(["data" => $runfile->read()]), ($level ?? 0) - 1);
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}
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function main() {
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$args = $this->args;
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$appClass = $args[0] ?? null;
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if ($appClass === null) {
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self::die("Vous devez spécifier la classe de l'application");
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}
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$appClass = $args[0] = str_replace("/", "\\", $appClass);
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if (!class_exists($appClass)) {
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self::die("$appClass: classe non trouvée");
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}
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$useRunfile = constant("$appClass::USE_RUNFILE");
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if (!$useRunfile) {
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self::die("Cette application ne supporte le lancement en tâche de fond");
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}
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$runfile = app::with($appClass)->getRunfile();
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switch ($this->action) {
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case self::ACTION_START:
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$argc = count($args);
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$appClass::_manage_runfile($argc, $args, $runfile);
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if ($runfile->warnIfLocked()) self::exit(app::EC_LOCKED);
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array_splice($args, 0, 0, [
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PHP_BINARY,
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path::abspath(NULIB_APP_app_launcher),
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]);
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app::params_putenv();
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self::_start($args, $runfile);
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break;
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case self::ACTION_STOP:
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self::_stop($runfile);
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self::show_infos($runfile, -1);
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break;
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case self::ACTION_INFOS:
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self::show_infos($runfile);
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break;
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}
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}
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public static function _start(array $args, Runfile $runfile): void {
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$pid = pcntl_fork();
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if ($pid == -1) {
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# parent, impossible de forker
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throw new ExitError(app::EC_FORK_PARENT, "Unable to fork");
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} elseif (!$pid) {
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# child, fork ok
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$runfile->wfPrepare($pid);
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$outfile = $runfile->getOutfile() ?? "/tmp/NULIB_APP_app_console.out";
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$exitcode = app::EC_FORK_CHILD;
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try {
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# rediriger STDIN, STDOUT et STDERR
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fclose(fopen($outfile, "wb")); // vider le fichier
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fclose(STDIN); $in = fopen("/dev/null", "rb");
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fclose(STDOUT); $out = fopen($outfile, "ab");
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fclose(STDERR); $err = fopen($outfile, "ab");
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# puis lancer la commande
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$cmd = new Cmd($args);
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$cmd->addSource("/g/init.env");
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$cmd->addRedir("both", $outfile, true);
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$cmd->fork_exec($exitcode, false);
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sh::_waitpid(-$pid, $exitcode);
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} finally {
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$runfile->wfReaped($exitcode);
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}
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}
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}
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public static function _stop(Runfile $runfile): bool {
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$data = $runfile->read();
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$pid = $runfile->_getCid($data);
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msg::action("stop $pid");
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if ($runfile->wfKill($reason)) {
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msg::asuccess();
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return true;
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} else {
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msg::afailure($reason);
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return false;
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}
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}
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}
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@ -1,53 +0,0 @@
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<?php
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namespace nulib\tools;
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use nulib\app;
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use nulib\app\cli\Application;
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use nulib\output\msg;
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use nulib\php\time\DateTime;
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use nulib\text\words;
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class SteamTrainApp extends Application {
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const PROJDIR = __DIR__.'/../..';
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const TITLE = "Train à vapeur";
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const USE_LOGFILE = true;
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const USE_RUNFILE = true;
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const USE_RUNLOCK = true;
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const ARGS = [
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"purpose" => self::TITLE,
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"description" => <<<EOT
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Cette application peut être utilisée pour tester le lancement des tâches de fond
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EOT,
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["-c", "--count", "args" => 1,
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"help" => "spécifier le nombre d'étapes",
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],
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["-f", "--force-enabled", "value" => true,
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"help" => "lancer la commande même si les tâches planifiées sont désactivées",
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],
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["-n", "--no-install-signal-handler", "value" => false,
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"help" => "ne pas installer le gestionnaire de signaux",
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],
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];
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protected $count = 100;
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protected bool $forceEnabled = false;
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protected bool $installSignalHandler = true;
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function main() {
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app::check_bgapplication_enabled($this->forceEnabled);
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if ($this->installSignalHandler) app::install_signal_handler();
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$count = intval($this->count);
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msg::info("Starting train for ".words::q($count, "step#s"));
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app::action("Running train...", $count);
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for ($i = 1; $i <= $count; $i++) {
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msg::print("Tchou-tchou! x $i");
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app::step();
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sleep(1);
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}
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msg::info("Stopping train at ".new DateTime());
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}
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}
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