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<?php |
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namespace BiffBangPow\SSMonitor\Server\Helper; |
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use BiffBangPow\SSMonitor\Server\Model\Client; |
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use GuzzleHttp\Exception\ConnectException; |
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use GuzzleHttp\Exception\RequestException; |
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use GuzzleHttp\Pool; |
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use GuzzleHttp\Promise\PromiseInterface; |
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use GuzzleHttp\Promise\Utils; |
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use GuzzleHttp\Psr7\Request; |
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use GuzzleHttp\Psr7\Response; |
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use League\Flysystem\Util; |
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use SilverStripe\Core\Config\Configurable; |
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use SilverStripe\Core\Environment; |
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use SilverStripe\Core\Extensible; |
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use SilverStripe\Core\Injector\Injector; |
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use Psr\Log\LoggerInterface; |
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use function GuzzleHttp\Promise\settle; |
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use function GuzzleHttp\Promise\unwrap; |
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class CommsHelper |
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{ |
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use Configurable; |
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private $guzzleClient; |
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private $requests = []; |
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private static $user_agent = 'Silverstripe monitoring system'; |
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public function __construct() |
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{ |
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$this->guzzleClient = new \GuzzleHttp\Client(['timeout' => 5]); |
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$this->guzzleClient->setUserAgent($this->config()->get('user_agent')); |
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} |
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/** |
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* Get all the data from the clients |
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* @todo Set up batch sizes, etc. |
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* @return array|string |
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*/ |
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public function process() |
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{ |
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$clients = $this->getClientList(); |
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/** |
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* @var Client $client |
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*/ |
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foreach ($clients as $client) { |
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$helper = new ClientHelper($client); |
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$this->requests[] = [ |
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'clientid' => $client->ID, |
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'url' => $helper->getMonitorURL(), |
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'apikey' => $helper->getAPIKey(), |
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'uuid' => $client->UUID |
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]; |
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} |
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if (count($this->requests) > 0) { |
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return $this->doCommunications(); |
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} |
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return _t(__CLASS__ . '.nothingtoprocess', 'Nothing to process'); |
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} |
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/** |
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* Connect to all the required clients |
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* @return array |
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*/ |
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private function doCommunications() |
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{ |
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$promises = []; |
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foreach ($this->requests as $request) { |
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$clientID = $request['uuid']; |
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$promises[$clientID] = $this->guzzleClient->postAsync( |
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$request['url'], [ |
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'form_params' => [ |
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'key' => $request['apikey'] |
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] |
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] |
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); |
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} |
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$promiseResponses = Utils::settle($promises)->wait(); |
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$clientResponses = []; |
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/** |
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* @var PromiseInterface $promiseResponse |
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*/ |
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foreach ($promiseResponses as $clientID => $promiseResponse) { |
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if ($promiseResponse['state'] === 'fulfilled') { |
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$response = $promiseResponse['value']; |
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$statusCode = $response->getStatusCode(); |
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$body = $response->getBody()->getContents(); |
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$clientResponses[] = [ |
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'client' => $clientID, |
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'status' => $statusCode, |
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'body' => $body |
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]; |
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} else { |
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$clientResponses[] = [ |
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'client' => $clientID, |
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'status' => 'failed', |
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'body' => 'Request failed' |
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]; |
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} |
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} |
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return $clientResponses; |
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} |
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/** |
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* Get the clients needed for this round |
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* @todo Set up batch sizes, frequency, etc |
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*/ |
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private function getClientList() |
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{ |
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return Client::get() |
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->filter(['active' => true]) |
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->sort('LastFetch') |
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; |
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} |
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} |
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BiffBangPow /
silverstripe-monitoring-server
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