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77 lines
2.4 KiB
PHP
77 lines
2.4 KiB
PHP
<?php
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/*
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*
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* Copyright 2018 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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namespace Grpc\Gcp;
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/**
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* Represents an active call that sends a stream of messages and then gets
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* a single response.
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*/
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class GCPClientStreamCall extends GcpBaseCall
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{
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protected function createRealCall($data = null)
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{
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$channel_ref = $this->_rpcPreProcess($data);
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$this->real_call = new \Grpc\ClientStreamingCall($channel_ref->getRealChannel(
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$this->gcp_channel->credentials), $this->method, $this->deserialize, $this->options);
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$this->real_call->start($this->metadata_rpc);
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return $this->real_call;
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}
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/**
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* Pick a channel and start the call.
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*
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* @param array $metadata Metadata to send with the call, if applicable
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* (optional)
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*/
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public function start(array $metadata = [])
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{
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// Postpone first rpc to write function(), where we can pick a channel
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// from the channel pool.
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$this->metadata_rpc = $metadata;
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}
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/**
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* Write a single message to the server. This cannot be called after
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* wait is called.
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*
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* @param ByteBuffer $data The data to write
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* @param array $options An array of options, possible keys:
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* 'flags' => a number (optional)
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*/
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public function write($data, array $options = [])
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{
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if (!$this->has_real_call) {
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$this->createRealCall($data);
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$this->has_real_call = true;
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}
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$this->real_call->write($data, $options);
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}
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/**
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* Wait for the server to respond with data and a status.
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*
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* @return array [response data, status]
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*/
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public function wait()
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{
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list($response, $status) = $this->real_call->wait();
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$this->_rpcPostProcess($status, $response);
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return [$response, $status];
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}
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}
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