Engined-grpc NPM

engined-grpc

gRPC service for engined.

Installation

Install via NPM:

npm install engined-grpc

Implement gRPC Server

start gRPC server agent service in engined, see example below:

const { Manager } = require('engined');
const { Server } = require('engined-grpc');

gRPCService = Server();

const main = async () => {

	// Create manager
	let serviceManager = new Manager({ verbose: true });

	// Adding agent to manager
	serviceManager.add('gRPCServer', gRPCService);

	// Start all services
	await serviceManager.startAll();
};

main();

Customized Router

engined-grpc is based on Groa.js which is useful gRPC middleware framework. We can create own router service to load proto file and get groa-router object to setup handler.

const { Router } = require('engined-grpc');
const path = require('path');

// Create a router service which will load specific proto files
const RouterService = Router({
	protoFiles: [
		path.join(__dirname, 'proto', 'example.proto')
	]
});

module.exports = class gRPCRouterService extends RouterService {

	async initialize(grpcAgent) {

		// Get groa-router object
		let router = grpcAgent.getRouter();

		// Setup handler
		router.rpc('/pipespool.PipeNetwork/Test', async (ctx) => {

			// Return
			ctx.body = {
				content: 'Test!!!'
			};
		});
	}
};