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https://github.com/quobject/amq.rabbitmq.reply-to.js
Direct reply-to is a feature that allows RPC (request/reply) clients with a design similar to that demonstrated in tutorial 6 (https://www.rabbitmq.com/direct-reply-to.html) to avoid declaring a response queue per request.
https://github.com/quobject/amq.rabbitmq.reply-to.js
rabbitmq rpc
Last synced: 18 days ago
JSON representation
Direct reply-to is a feature that allows RPC (request/reply) clients with a design similar to that demonstrated in tutorial 6 (https://www.rabbitmq.com/direct-reply-to.html) to avoid declaring a response queue per request.
- Host: GitHub
- URL: https://github.com/quobject/amq.rabbitmq.reply-to.js
- Owner: Quobject
- License: mit
- Created: 2018-07-26T21:55:33.000Z (over 6 years ago)
- Default Branch: master
- Last Pushed: 2018-07-28T07:17:56.000Z (over 6 years ago)
- Last Synced: 2024-09-27T09:19:29.112Z (5 months ago)
- Topics: rabbitmq, rpc
- Language: JavaScript
- Homepage:
- Size: 67.4 KB
- Stars: 0
- Watchers: 2
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE.md
Awesome Lists containing this project
README
# amq.rabbitmq.reply-to.js
* Uses direct `reply-to` - a feature that allows RPC (request/reply) clients with a design similar to that demonstrated in tutorial 6 (https://www.rabbitmq.com/direct-reply-to.html) to avoid declaring a response queue per request.
* Creates an event emitter where rpc responses will be published by correlationId
as suggested by https://github.com/squaremo/amqp.node/issues/259#issuecomment-230165144
[![NPM version][npm-image]][npm-url]
[![NPM downloads][downloads-image]][downloads-url]
```
npm i amq.rabbitmq.reply-to.js
```
# Example
**javascript**
```js
const rabbitmqreplyto = require('amq.rabbitmq.reply-to.js');
const serverCallbackTimesTen = (message, rpcServer) => {
const n = parseInt(message);
return Promise.resolve(`${n * 10}`);
};
let rpcServer;
let rpcClient;
Promise.resolve().then(() => {
const serverOptions = new rabbitmqreplyto.RpcServerOptions(
/* url */ undefined,
/* serverId */ undefined,
/* callback */ serverCallbackTimesTen);
return rabbitmqreplyto.RpcServer.Create(serverOptions);
}).then((rpcServerP) => {
rpcServer = rpcServerP;
return rabbitmqreplyto.RpcClient.Create();
}).then((rpcClientP) => {
rpcClient = rpcClientP;
const promises = [];
for (let i = 1; i <= 20; i++) {
promises.push(rpcClient.sendRPCMessage(`${i}`));
}
return Promise.all(promises);
}).then((replies) => {
console.log(replies);
return Promise.all([rpcServer.Close(), rpcClient.Close()]);
});
//['10',
// '20',
// '30',
// '40',
// '50',
// '60',
// '70',
// '80',
// '90',
// '100',
// '110',
// '120',
// '130',
// '140',
// '150',
// '160',
// '170',
// '180',
// '190',
// '200']
```
**typescript**
```ts
import { RpcClient, RpcServer, RpcServerOptions } from 'amq.rabbitmq.reply-to.js';
const serverCallbackTimesTen: ((a: string, b: RpcServer) => Promise) =
(message: string, rpcServer: RpcServer) => {
const n = parseInt(message);
return Promise.resolve(`${n * 10}`);
};
let rpcServer: RpcServer;
let rpcClient: RpcClient;
Promise.resolve().then(() => {
const serverOptions = new RpcServerOptions(
/* url */ undefined,
/* serverId */ undefined,
/* callback */ serverCallbackTimesTen
);
return RpcServer.Create(serverOptions);
}).then((rpcServerP: RpcServer) => {
rpcServer = rpcServerP;
return RpcClient.Create();
}).then((rpcClientP: RpcClient) => {
rpcClient = rpcClientP;
const promises = [];
for (let i = 1; i <= 20; i++) {
promises.push(rpcClient.sendRPCMessage(`${i}`));
}
return Promise.all(promises);
}).then((data: any) => {
const replies: TestMessageReply[] = data;
console.log(replies);
return Promise.all([rpcServer.Close(), rpcClient.Close()]);
});
//['10',
// '20',
// '30',
// '40',
// '50',
// '60',
// '70',
// '80',
// '90',
// '100',
// '110',
// '120',
// '130',
// '140',
// '150',
// '160',
// '170',
// '180',
// '190',
// '200']
```
## License
MIT
[npm-image]: https://img.shields.io/npm/v/amq.rabbitmq.reply-to.js.svg?style=flat
[npm-url]: https://npmjs.org/package/amq.rabbitmq.reply-to.js
[downloads-image]: https://img.shields.io/npm/dm/amq.rabbitmq.reply-to.js.svg?style=flat
[downloads-url]: https://npmjs.org/package/amq.rabbitmq.reply-to.js