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queue-core

v1.0.2

Published

queue server

Downloads

1

Readme

目的


给多线程/多服务器进行排队。

安装/下载

npm install queue-core

开启服务器

const QueueServer = require('queue-core').server;
const server = new QueueServer;
server.start(); // 默认端口8879
// server.start([port]);

连接服务器

const QueueClient = require('queue-core').client;
const client = new QueueClient;
client.start(); // 默认端口8879
// client.start([port[, host]]);

排队处理

client.on('connect', ()=> {
	console.log('change start');
	process.nextTick(async function () {
		await client.wait('changeName');
        // code for changing name, waiting about 300ms
        client.unlock('changeName');
		console.log('change finished');
    });
	process.nextTick(async function () {
		await client.wait('changeName');
        // code for changing name, waiting about 500ms
        client.unlock('changeName');
		console.log('change finished');
    });
}

# change start
// (wait about 300ms)
# change finished
// (wait about 500ms)
# change finished

Document


Class: QueueClient

new QueueClient()

Creates a new client object.

Event: connect

Emitted when a socket connection is successfully established.

Event: error

Emitted when an error occurs.

client.start([port[, host]])

Initiate a connection on a given client.

client.lock(name)

lock

client.unlock(name)

unlock

client.wait(name)

加入队列,直到请求前所有同名请求unlock之后返回,超时则返回false