PHP使用GRPC

• 安裝 grpc 擴展

pecl install grpc

• 添加 /etc/php.ini 擴展

extension=grpc.so

安裝 grpc_php_plugin 插件

cd ~
git clone -b v1.30.x https://github.com/grpc/grpc
cd grpc 
git submodule update --init
make grpc_php_plugin

生成PHP代碼

protoc \
    --php_out=../proto-gen-php \
    --grpc_out=../proto-gen-php \
    --plugin=protoc-gen-grpc=~/grpc/grpc_php_plugin \
    **/*.proto

使用proto-gen-php這個插件才能生成client代碼。

定義 composer.json 文件

{
    "require": {
        "google/protobuf": "^3.16",
        "grpc/grpc": "^1.36"
    },
    "autoload": {
        "psr-4": {
            "Pb\\": "Pb/",
            "GPBMetadata\\": "GPBMetadata/"
        }
    }
}

執行 composer install

client.php

<?php

require_once __DIR__ . "/vendor/autoload.php";

use Pb\Sys\V1\Column;
use Pb\Sys\V1\ColumnGetterClient;
use Pb\Sys\V1\ColumnListParams;

$addr = "127.0.0.1:9001";
$options = [
    'credentials' => Grpc\ChannelCredentials::createInsecure(),
];

$client = new ColumnGetterClient($addr, $options);

$request = new ColumnListParams();
list($response, $status) = $client->List($request)->wait();
var_dump($response->serializeToJsonString());

$request = new Column();
$request->setId(16);
list($response, $status) = $client->Get($request)->wait();
var_dump($response->serializeToJsonString());