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<?php |
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namespace veejay\jsonrpc; |
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use veejay\jsonrpc\batch\Request; |
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use veejay\jsonrpc\batch\Response; |
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class Client |
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{ |
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/** |
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* @var string |
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*/ |
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protected $uri; |
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/** |
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* List of requests. |
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* @var Request[] |
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*/ |
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protected $requests = []; |
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/** |
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* List of responses. |
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* Key - response ID |
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* @var Response[] |
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*/ |
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protected $responses = []; |
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/** |
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* @param string $uri |
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*/ |
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public function __construct(string $uri) |
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{ |
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$this->uri = $uri; |
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} |
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/** |
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* Add query. |
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* @param string $method |
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* @param array $params |
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* @return Response |
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*/ |
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public function query(string $method, array $params = []): Response |
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{ |
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$id = count($this->requests); |
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// Create Request |
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$this->requests[] = (new Request)->setProperties([ |
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'jsonrpc' => Request::VERSION, |
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'method' => $method, |
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'params' => $params, |
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'id' => $id, |
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]); |
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// Create Response |
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$response = $this->responses[$id] = new Response; |
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$response->setProperties([ |
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'jsonrpc' => Request::VERSION, |
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'id' => $id, |
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]); |
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$response->setError(Response::PARSE_ERROR); |
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return $response; |
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} |
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/** |
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* Add notification. |
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* @param string $method |
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* @param array $params |
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* @return void |
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*/ |
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public function notify(string $method, array $params = []) |
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{ |
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$request = new Request; |
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$request->setProperties([ |
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'jsonrpc' => Request::VERSION, |
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'method' => $method, |
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'params' => $params, |
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]); |
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$this->requests[] = $request; |
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} |
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/** |
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* @return void |
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*/ |
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public function send() |
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{ |
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$data = $this->sendData(); |
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if ($data === null) return; |
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if (isset($data->error->code)) { |
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$this->setResponsesError($data->error->code, (string)$data->error->message); |
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return; |
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} |
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if (is_object($data)) { |
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$data = [$data]; |
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} |
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foreach ($data as $datum) { |
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if (!is_object($datum) || !property_exists($datum, 'id')) continue; |
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$response = array_key_exists($datum->id, $this->responses) ? $this->responses[$datum->id] : null; |
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if (!$response) continue; |
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$response->resetError(); |
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$response->setProperties($datum); |
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} |
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} |
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/** |
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* Set errors for all responses. |
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* @param int $code |
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* @param string $message |
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* @return void |
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*/ |
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protected function setResponsesError(int $code, string $message = '') |
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{ |
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foreach ($this->responses as $response) { |
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$response->setError($code, $message); |
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} |
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} |
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/** |
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* Send data on server and receive the response. |
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* @return array|object|null - NULL if error occurred |
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*/ |
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protected function sendData() |
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{ |
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$content = json_encode($this->requests); |
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$context = stream_context_create([ |
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'http' => [ |
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'method' => 'POST', |
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'header' => implode("\r\n", $this->getHeaders($content)), |
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'content' => $content, |
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], |
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]); |
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$content = file_get_contents($this->uri, false, $context); |
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return json_decode($content); |
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} |
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/** |
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* Get headers for request. |
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* @param string $content |
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* @return array |
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*/ |
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private function getHeaders(string $content): array |
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{ |
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return [ |
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'Accept: application/json', |
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'Content-Type: application/json', |
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'Connection: close', |
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'Content-Length: ' . strlen($content), |
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]; |
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} |
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} |
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Veejayspb /
jsonrpc
