66 lines
1.6 KiB
JavaScript
66 lines
1.6 KiB
JavaScript
|
'use strict'
|
||
|
|
|
||
|
|
const https = require('https')
|
||
|
|
|
||
|
|
module.exports = (server, grace) => {
|
||
|
|
grace = typeof grace === 'undefined' ? Infinity : grace
|
||
|
|
const reqsPerSocket = new Map()
|
||
|
|
let stopped = false
|
||
|
|
let gracefully = true
|
||
|
|
|
||
|
|
if (server instanceof https.Server) {
|
||
|
|
server.on('secureConnection', onConnection)
|
||
|
|
} else {
|
||
|
|
server.on('connection', onConnection)
|
||
|
|
}
|
||
|
|
|
||
|
|
server.on('request', onRequest)
|
||
|
|
server.stop = stop
|
||
|
|
server._pendingSockets = reqsPerSocket
|
||
|
|
return server
|
||
|
|
|
||
|
|
function onConnection (socket) {
|
||
|
|
reqsPerSocket.set(socket, 0)
|
||
|
|
socket.once('close', () => reqsPerSocket.delete(socket))
|
||
|
|
}
|
||
|
|
|
||
|
|
function onRequest (req, res) {
|
||
|
|
reqsPerSocket.set(req.socket, reqsPerSocket.get(req.socket) + 1)
|
||
|
|
res.once('finish', () => {
|
||
|
|
const pending = reqsPerSocket.get(req.socket) - 1
|
||
|
|
reqsPerSocket.set(req.socket, pending)
|
||
|
|
if (stopped && pending === 0) {
|
||
|
|
req.socket.end()
|
||
|
|
}
|
||
|
|
})
|
||
|
|
}
|
||
|
|
|
||
|
|
function stop (callback) {
|
||
|
|
// allow request handlers to update state before we act on that state
|
||
|
|
setImmediate(() => {
|
||
|
|
stopped = true
|
||
|
|
if (grace < Infinity) {
|
||
|
|
setTimeout(destroyAll, grace).unref()
|
||
|
|
}
|
||
|
|
server.close(e => {
|
||
|
|
if (callback) {
|
||
|
|
callback(e, gracefully)
|
||
|
|
}
|
||
|
|
})
|
||
|
|
reqsPerSocket.forEach(endIfIdle)
|
||
|
|
})
|
||
|
|
}
|
||
|
|
|
||
|
|
function endIfIdle (requests, socket) {
|
||
|
|
if (requests === 0) socket.end()
|
||
|
|
}
|
||
|
|
|
||
|
|
function destroyAll () {
|
||
|
|
gracefully = false
|
||
|
|
reqsPerSocket.forEach((reqs, socket) => socket.end())
|
||
|
|
setImmediate(() => {
|
||
|
|
reqsPerSocket.forEach((reqs, socket) => socket.destroy())
|
||
|
|
})
|
||
|
|
}
|
||
|
|
}
|