PHP code example of mix / grpc

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

mix / grpc example snippets

// 编写一个服务，实现 protoc-gen-mix 生成的接口
class SayService implements Php\Micro\Grpc\Greeter\SayInterface
{

    public function Hello(Mix\Grpc\Context $context, Php\Micro\Grpc\Greeter\Request $request): Php\Micro\Grpc\Greeter\Response
    {
        $response = new Php\Micro\Grpc\Greeter\Response();
        $response->setMsg(sprintf('hello, %s', $request->getName()));
        return $response;
    }

}

$grpc = new Mix\Grpc\Server();
$grpc->register(SayService::class); // or $grpc->register(new SayService());

$http = new Swoole\Http\Server('0.0.0.0', 9595);
$http->on('Request', $grpc->handler());
$http->set([
    'worker_num' => 4,
    'open_http2_protocol' => true,
    'http_compression' => false,
]);
$http->start();

$http->on('Request', $grpc->handler());
$http->on('WorkerStart', function ($server, $workerId) {
    // 协程初始化
    // 比如：启动 mix/database mix/redis 的连接池
});
$http->set([
    'enable_coroutine' => true,
    'worker_num' => 4,
    'open_http2_protocol' => true,
    'http_compression' => false,
]);

Swoole\Coroutine\run(function () use ($grpc) {
    $server = new Swoole\Coroutine\Http\Server('0.0.0.0', 9595, false);
    $server->handle('/', $grpc->handler());
    $server->set([
      'open_http2_protocol' => true,
      'http_compression' => false,
    ]);
    $server->start();
});

Swoole\Coroutine\run(function () {
    $client = new Mix\Grpc\Client('127.0.0.1', 9595); // 推荐复用该客户端
    $say  = new Php\Micro\Grpc\Greeter\SayClient($client);
    $request = new Php\Micro\Grpc\Greeter\Request();
    $request->setName('xiaoming');
    $ctx = new Mix\Grpc\Context();
    $response = $say->Hello($ctx, $request);
    var_dump($response->getMsg());
    $client->close(); // 使用完必须关闭，否则会残留在内存
});

$ctx->withHeader('foo', 'bar');
$response = $say->Hello($ctx, $request);

$ctx->withTimeout(5.0);
$response = $say->Hello($ctx, $request);

protoc --php_out=. --mix_out=. greeter.proto

|-- GPBMetadata
|   `-- Greeter.php
|-- Php
|   `-- Micro
|       `-- Grpc
|           `-- Greeter
|               |-- Request.php
|               |-- Response.php
|               |-- SayClient.php
|               `-- SayInterface.php
`-- greeter.proto

protoc --php_out=. greeter.proto

protoc --php_out=. --grpc_out=. --plugin=protoc-gen-grpc=/path/grpc_php_plugin greeter.proto