How to use the Hyperf framework for distributed service calls

How to use the Hyperf framework for distributed service calls

Introduction:
With the development of business, the size and complexity of applications are also growing rapidly. In this case, in order to improve the scalability and scalability of the business, distributed systems are becoming more and more important. Service invocation in distributed systems has also become complex, requiring a reliable framework to simplify development and management.

Hyperf is a high-performance framework based on Swoole extension, focusing on long links and coroutines, providing a large number of components and functions. In this article, we will introduce how to use the Hyperf framework to make distributed service calls.

1. Preparation

1. Install the Hyperf framework

First, we need to install the Hyperf framework locally. Hyperf can be quickly installed through the following command:

composer create-project hyperf/hyperf-skeleton

2. Configuration file

After the installation is complete, some basic configuration of the Hyperf framework is required. You can edit the .env file to configure database connection, Redis and other related information.

2. Create a service provider

1. Create a service provider class

Create a service in the app/Provider directory Provider class, named RemoteServiceProvider. This class will define a remote service method.

<?php

declare(strict_types=1);

namespace AppProvider;

use HyperfRpcClientAbstractServiceClient;

class RemoteServiceProvider extends AbstractServiceClient
{
    protected $serviceName = 'ServiceName';

    protected $protocol = 'jsonrpc-http';

    public function remoteMethod(array $params)
    {
        return $this->__request(__FUNCTION__, compact('params'));
    }
}

In the above code, RemoteServiceProvider inherits AbstractServiceClient and defines a remote method named remoteMethod.

2. Configuration service provider

Edit the config/dependencies.php file and add the following code:

use AppProviderRemoteServiceProvider;

return [
    'dependencies' => [
        // ...

        RemoteServiceProvider::class => RemoteServiceProvider::class,
    ],
];

3. Create Service consumer

1. Create a controller class

Create a controller class in the app/Controller directory and name it TestController. Remote services will be called in this class.

<?php

declare(strict_types=1);

namespace AppController;

use AppProviderRemoteServiceProvider;
use HyperfHttpServerAnnotationController;
use HyperfHttpServerAnnotationPostMapping;

/**
 * @Controller()
 */
class TestController
{
    /**
     * @PostMapping(path="/test")
     */
    public function test(RemoteServiceProvider $service)
    {
        $params = ['key' => 'value'];

        return $service->remoteMethod($params);
    }
}

In the above code, the test method in the TestController class injects the RemoteServiceProvider and calls its remoteMethod method.

2. Configure routing

Edit the config/routes.php file and add the following code:

use AppControllerTestController;

$router->addRoute(['POST'], '/test', [TestController::class, 'test']);

4. Start the server and client

1. Start the server

Use the following command to start the Hyperf server:

php bin/hyperf.php start

The server will start listening to the specified port and wait for the client ask.

2. Start the client

Use the following command to start the Hyperf client:

php bin/hyperf.php start

The client will automatically initiate a request to the server and obtain the response result .

Conclusion:
Through the above steps, we can use the Hyperf framework to make distributed service calls. First, we create a service provider class and define a remote method in it. We then created a controller class, injected the service provider into it and called its methods. Finally, we started the server and client to complete the distributed service call.

The Hyperf framework provides powerful functions and components, making distributed system development simpler and more efficient. By using the Hyperf framework, we can quickly build distributed applications and easily implement microservice architecture.

I hope this article will help you understand how to use the Hyperf framework to make distributed service calls. I wish you success in the development of distributed systems!

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