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Direktori : /home2/selectio/www/fms-worksuite/vendor/grpc/grpc/src/lib/ |
Current File : /home2/selectio/www/fms-worksuite/vendor/grpc/grpc/src/lib/BidiStreamingCall.php |
<?php /* * * Copyright 2015 gRPC authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * */ namespace Grpc; /** * Represents an active call that allows for sending and receiving messages * in streams in any order. */ class BidiStreamingCall extends AbstractCall { /** * Start the call. * * @param array $metadata Metadata to send with the call, if applicable * (optional) */ public function start(array $metadata = []) { $this->call->startBatch([ OP_SEND_INITIAL_METADATA => $metadata, ]); } /** * Reads the next value from the server. * * @return mixed The next value from the server, or null if there is none */ public function read() { $batch = [OP_RECV_MESSAGE => true]; if ($this->metadata === null) { $batch[OP_RECV_INITIAL_METADATA] = true; } $read_event = $this->call->startBatch($batch); if ($this->metadata === null) { $this->metadata = $read_event->metadata; } return $this->_deserializeResponse($read_event->message); } /** * Write a single message to the server. This cannot be called after * writesDone is called. * * @param ByteBuffer $data The data to write * @param array $options An array of options, possible keys: * 'flags' => a number (optional) */ public function write($data, array $options = []) { $message_array = ['message' => $this->_serializeMessage($data)]; if (array_key_exists('flags', $options)) { $message_array['flags'] = $options['flags']; } $this->call->startBatch([ OP_SEND_MESSAGE => $message_array, ]); } /** * Indicate that no more writes will be sent. */ public function writesDone() { $this->call->startBatch([ OP_SEND_CLOSE_FROM_CLIENT => true, ]); } /** * Wait for the server to send the status, and return it. * * @return \stdClass The status object, with integer $code, string * $details, and array $metadata members */ public function getStatus() { $status_event = $this->call->startBatch([ OP_RECV_STATUS_ON_CLIENT => true, ]); $this->trailing_metadata = $status_event->status->metadata; return $status_event->status; } }