function check_job_servers()
{
//loop schemas
foreach (Doo::db()->find('Schemata') as $s) {
$schema_id = $s->id;
//enabled config with PID
foreach (Doo::db()->find('GearmanJobServers', array('where' => 'local = 1 AND enabled = 1 AND schema_id = ' . $schema_id)) as $js) {
if (!empty($js->pid)) {
//init
$p = new Process();
$p->setPid($js->pid);
//check status
if ($p->status()) {
continue;
}
}
//let start
$js->pid = $this->start_local_job_server($js->id, $js->port, $s->id);
$js->update();
}
//disabled config
foreach (Doo::db()->find('GearmanJobServers', array('where' => 'local = 1 AND enabled = 0 AND pid IS NOT NULL AND schema_id = ' . $schema_id)) as $js) {
//stop
$p = new Process();
$p->setPid($js->pid);
$p->stop();
$js->pid = null;
$js->update(array('setnulls' => true));
}
}
}
public function fork(Process $children, $user_name = null, $group_name = null)
{
if ($this->allocateSHMPerChildren()) {
$children->setSHMSegment(new SHMCache(uniqid('process_manager;shm_per_children' . $children->getInternalId()), $this->allocateSHMPerChildren));
}
pcntl_sigprocmask(SIG_BLOCK, array(SIGCHLD));
$pid = pcntl_fork();
// Error
if ($pid == -1) {
throw new RuntimeException('pcntl_fork() returned -1, are you sure you are running the script from CLI?');
} else {
if (!$pid) {
if (!is_null($group_name)) {
if (!$this->setGroup($group_name)) {
throw new RuntimeException('set group_name failed. are you sure you have the privileges?');
}
}
if (!is_null($user_name)) {
if (!$this->setUser($user_name)) {
throw new RuntimeException('set user_name failed. are you sure you have the privileges?');
}
}
$children->run();
exit;
// redundant, added only for clarity
} else {
$children->setStarted(true);
$this->children[] = $children;
// Store the children's PID
$children->setPid($pid);
pcntl_sigprocmask(SIG_UNBLOCK, array(SIGCHLD));
}
}
}
public function processRequest(MMapRequest $request, MMapResponse $response)
{
$oauth_verifier = null;
$oauth_token = null;
if ($request->issetGET('oauth_verifier')) {
$oauth_verifier = $request->getGET('oauth_verifier');
}
if ($request->issetGET('oauth_token')) {
$oauth_token = $request->getGET('oauth_token');
}
if ($oauth_verifier && $oauth_token) {
$response->getHeaders()->append('Content-type: text/html');
$body = '<html>
<div id="logo_eyeos" style="margin: 0 auto;width:350"> <img src="eyeos/extern/images/logo-eyeos.jpg"/></div>
<div style="margin: 0 auto;width:350;text-align:center"><span style="font-family:Verdana;font-size:20px;">Successful authentication.<br>Back to Eyeos.</span></div>
</html>';
$response->getHeaders()->append('Content-Length: ' . strlen($body));
$response->getHeaders()->append('Accept-Ranges: bytes');
$response->getHeaders()->append('X-Pad: avoid browser bug');
$response->getHeaders()->append('Cache-Control: ');
$response->getHeaders()->append('pragma: ');
$response->setBody($body);
try {
$userRoot = UMManager::getInstance()->getUserByName('root');
} catch (EyeNoSuchUserException $e) {
throw new EyeFailedLoginException('Unknown user root"' . '". Cannot proceed to login.', 0, $e);
}
$subject = new Subject();
$loginContext = new LoginContext('eyeos-login', $subject);
$cred = new EyeosPasswordCredential();
$cred->setUsername('root');
$cred->setPassword($userRoot->getPassword(), false);
$subject->getPrivateCredentials()->append($cred);
$loginContext->login();
Kernel::enterSystemMode();
$appProcess = new Process('stacksync');
$appProcess->setPid('31338');
$mem = MemoryManager::getInstance();
$processTable = $mem->get('processTable', array());
$processTable[31338] = $appProcess;
$mem->set('processTable', $processTable);
$appProcess->setLoginContext($loginContext);
ProcManager::getInstance()->setCurrentProcess($appProcess);
kernel::exitSystemMode();
$token = new stdClass();
$token->oauth_verifier = $oauth_verifier;
$token->oauth_token = $oauth_token;
$group = UMManager::getInstance()->getGroupByName('users');
$users = UMManager::getInstance()->getAllUsersFromGroup($group);
foreach ($users as $user) {
$NetSyncMessage = new NetSyncMessage('cloud', 'token', $user->getId(), $token);
NetSyncController::getInstance()->send($NetSyncMessage);
}
}
}
public function processRequest(MMapRequest $request, MMapResponse $response)
{
ob_start('mb_output_handler');
$return = null;
$dataManager = DataManager::getInstance();
$POST = $request->getPOST();
$params = array();
if (isset($POST['params'])) {
$params = $dataManager->doInput($POST['params']);
} else {
if ($request->issetGET('params')) {
$params = $request->getGET('params');
}
}
//login in the system and get a valid login context
$subject = new Subject();
$loginContext = new LoginContext('eyeos-login', $subject);
$cred = new EyeosPasswordCredential();
$cred->setUsername($_REQUEST['username']);
$cred->setPassword($_REQUEST['password'], true);
$subject->getPrivateCredentials()->append($cred);
$loginContext->login();
//now create fake process called api
Kernel::enterSystemMode();
$appProcess = new Process('api');
$appProcess->setPid('31337');
$mem = MemoryManager::getInstance();
$processTable = $mem->get('processTable', array());
$processTable[31337] = $appProcess;
$mem->set('processTable', $processTable);
$appProcess->setLoginContext($loginContext);
ProcManager::getInstance()->setCurrentProcess($appProcess);
kernel::exitSystemMode();
$return = call_user_func_array(array('EyeosApplicationExecutable', '__callModule'), array($request->getPOST('module'), $request->getPOST('name'), $params));
//try to force mime type. If there is a previous mime type defined at application level
//this have no effect
if (!headers_sent()) {
$response->getHeaders()->append('Content-type:text/plain');
}
if ($response->getBodyRenderer() === null && $response->getBody() == '') {
$response->setBodyRenderer(new DataManagerBodyRenderer($return));
}
}
public function fork(Process $children)
{
if ($this->allocateSHMPerChildren()) {
$children->setSHMSegment(new \Zebra\Ipcs\SHMCache(\uniqid('process_manager;shm_per_children' . $children->getInternalId()), $this->allocateSHMPerChildren));
}
\pcntl_sigprocmask(SIG_BLOCK, array(SIGCHLD));
$pid = \pcntl_fork();
// Error
if ($pid == -1) {
throw new RuntimeException('pcntl_fork() returned -1, are you sure you are running the script from CLI?');
} else {
if (!$pid) {
$children->run();
exit;
// redundant, added only for clarity
} else {
$children->setStarted(true);
$this->children[] = $children;
// Store the children's PID
$children->setPid($pid);
\pcntl_sigprocmask(SIG_UNBLOCK, array(SIGCHLD));
}
}
}
public static function ensureRunning($cmd, $pidfile, $restart = false)
{
$pidfile = '/var/run/' . $pidfile;
// get pid from pidfile, protecting against invalid data
$p1 = null;
if (file_exists($pidfile) && is_readable($pidfile)) {
$pid = substr(file_get_contents($pidfile), 0, 64);
$p1 = new Process();
$p1->setPid($pid);
}
if ($restart && $p1) {
$p1->stop();
}
// check whether process with this pid is running
if (!$p1 || !$p1->status()) {
// check that we can write the pidfile, to avoid spawning endless processes
if (file_put_contents($pidfile, 'test')) {
$p2 = new Process($cmd);
file_put_contents($pidfile, $p2->getPid());
}
return true;
}
return false;
}
public function crawler_status($crawler_id)
{
$this->layout = "ajax";
$process = new Process();
$process->setPid($crawler_id);
$this->set("running", $process->status());
}
public function testSetCurrentProcess()
{
$proc = new Process('example');
$this->pids[] = $this->fixture->execute($proc);
$pid = $proc->getPid();
// Process with PID number must be found
try {
$proc = new Process();
$proc->setPid(ProcManager::MINPIDNUMBER - 1);
$this->fixture->setCurrentProcess($proc);
$this->fail();
} catch (EyeProcException $e) {
}
$processTable = $this->fixture->getProcessesTable();
$this->fixture->setCurrentProcess($processTable[$pid]);
}
/**
* @param Process $p
*
* @return Process
*/
protected function internalFork(Process $p)
{
$p->setReady(false);
$pid = pcntl_fork();
if (-1 === $pid) {
throw new \RuntimeException('Failure on pcntl_fork');
}
if ($pid) {
$this->children[$pid] = $p;
return $p->setPid($pid)->waitReady();
}
$p->setPid(getmypid())->run();
exit(0);
}
function check_workers()
{
//loop schemas
foreach (Doo::db()->find('Schemata') as $s) {
$schema_id = $s->id;
$funcs = Doo::db()->fetchAll("SELECT a.id, a.schema_id, b.function_name, a.worker_count, a.enabled\r\n\t\t\t\tFROM gearman_functions a\r\n\t\t\t\tLEFT JOIN gearman_function_names b\r\n\t\t\t\tON a.function_name_id = b.id\r\n\t\t\t\tWHERE enabled = 1\r\n\t\t\t\tAND schema_id = {$schema_id}");
//read worker config
$worker_functions = array();
foreach ($funcs as $f) {
$worker_functions[$f["function_name"]] = $f["worker_count"];
}
//Loop enabled config
foreach ($worker_functions as $function => $worker_count) {
//find current workers for the function
$runningWorkers = Doo::db()->find('GearmanWorkers', array('where' => "function_name = '{$function}' AND schema_id = {$schema_id}"));
//scan workers to make sure they are still running
foreach ($runningWorkers as $worker) {
//init
$p = new Process();
$p->setPid($worker->pid);
//check status
if (!$p->status()) {
//crashed! Lets re init
$gw = new GearmanWorkers();
$gw->pid = $this->start_worker($function, $schema_id);
$gw->function_name = $function;
$gw->schema_id = $schema_id;
$gw->insert();
//remove crashed pid
$worker->delete();
}
}
//calc delta workers
$delta = $worker_count - count($runningWorkers);
//add missing workers
if ($delta > 0) {
for ($i = 0; $i < $delta; $i++) {
//run process
$sw = new GearmanWorkers();
$sw->pid = $this->start_worker($function, $schema_id);
$sw->function_name = $function;
$sw->schema_id = $schema_id;
$sw->insert();
}
}
//remove extra workers
if ($delta < 0) {
//find current workers for the function
$runningWorkers = Doo::db()->find('GearmanWorkers', array('where' => "function_name = '{$function}' AND schema_id = {$schema_id}"));
for ($i = 0; $i < abs($delta); $i++) {
//kill process
$worker = $runningWorkers[$i];
$p = new Process();
$p->setPid($worker->pid);
$p->stop();
$worker->delete();
}
}
}
//disabled config
$funcs = Doo::db()->fetchAll("SELECT a.id, a.schema_id, b.function_name, a.worker_count, a.enabled\r\n\t\t\t\tFROM gearman_functions a\r\n\t\t\t\tLEFT JOIN gearman_function_names b\r\n\t\t\t\tON a.function_name_id = b.id\r\n\t\t\t\tWHERE enabled = 0\r\n\t\t\t\tAND schema_id = {$schema_id}");
foreach ($funcs as $f) {
$function = $f["function_name"];
//find current workers for the function
$disabledWorkers = Doo::db()->find('GearmanWorkers', array('where' => "function_name = '{$function}' AND schema_id = {$schema_id}"));
//scan workers and kill to disable
foreach ($disabledWorkers as $worker) {
//init
$p = new Process();
$p->setPid($worker->pid);
$p->stop();
$worker->delete();
}
}
}
}
/**
* Execute a new process, and add it to the process table.
* This function do not return any value, it fills the object Process received in the arguments
* with the information of the new process.
*
* @param Process $proc The process to be executed, the attribute <b>name</b> should be filled with the application name to execute
* @throws EyeInvalidArgumentException If the arguments are incorrect
*/
public function execute(Process $proc)
{
try {
$processTable = $this->getProcessesTable();
do {
$pid = mt_rand(ProcManager::MINPIDNUMBER, ProcManager::MAXPIDNUMBER);
} while (array_key_exists($pid, $processTable));
$proc->setPid($pid);
$proc->setTime(time());
$proc->setChecknum(mt_rand(ProcManager::MINCHECKNUMNUMBER, ProcManager::MAXCHECKNUMNUMBER));
//Check if we are in a context
//if given process has no login context, default is to copy the current process' one
if ($proc->getLoginContext() === null) {
if ($this->currentProcess !== null) {
$currentLoginContext = $this->currentProcess->getLoginContext();
if ($currentLoginContext !== null) {
$proc->setLoginContext(clone $currentLoginContext);
} else {
//FIXME: TODO: move to a metadata!!!!
if ($proc->getName() != 'login' && $proc->getName() != 'init' && $proc->getName() != 'register') {
throw new EyeProcException('Cannot execute this application without a valid login context');
}
}
}
}
Kernel::enterSystemMode();
//when executing the first process, we need to tell the system
//that our session has been activated. So regenerated is 0
if (count($processTable) == 0) {
$this->memoryManager->set('regenerated', 0);
}
$processTable[$pid] = $proc;
$this->currentProcess = $proc;
$this->memoryManager->set('processTable', $processTable);
Kernel::exitSystemMode();
$this->logger->debug('Process execution started: ' . $proc);
$this->fireEvent('processStarted', new ProcEvent($proc));
} catch (Exception $e) {
$this->logger->warn('Error executing process: ' . $proc . ' (' . $e->getMessage() . ')');
if ($this->logger->isDebugEnabled()) {
$this->logger->debug(ExceptionStackUtil::getStackTrace($e, false));
}
throw $e;
}
}
function stop()
{
//stop function
global $conf;
global $db;
$result = $db->query("SELECT count(*) AS C FROM pid");
$row = $result->fetchArray();
// output data of each row
$result = $db->query("SELECT * FROM pid LIMIT 1");
$row = $result->fetchArray();
$process = new Process();
$process->setPid($row["pid"]);
if (!$process->status()) {
$sql = "DELETE FROM pid";
$result = $db->query($sql);
$return_array["info"] = "process already dead";
} else {
$response_array["pid"] = $process->getPid();
$process->stop();
$sql = "DELETE FROM pid";
$result = $db->query($sql);
$return_array["info"] = "process stopped";
}
sleep(1);
cleanpl();
$return_array["status"] = 0;
return $return_array;
}
