55 lines
2.4 KiB
JavaScript
55 lines
2.4 KiB
JavaScript
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import express from 'express'
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import expressWs from 'express-ws'
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const app = express()
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const wsInstance = expressWs(app)
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app.use(express.static('dist'))
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app.use(express.json())
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app.ws('/online', (ws, req) => {
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ws.id = req.headers['sec-websocket-key']
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ws.channel = req.params.channel
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ws.name = req.query.name
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console.log('ws.name:', ws.name)
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ws.on('close', () => {
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console.log(ws.id, '设备离开频道:', ws.channel, wsInstance.getWss().clients.size)
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})
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ws.on('error', () => {
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console.log(ws.id, '设备发生错误:', ws.channel, wsInstance.getWss().clients.size)
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})
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ws.on('message', message => {
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console.log(ws.id, '设备发送消息:', ws.channel, wsInstance.getWss().clients.size)
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const data = JSON.parse(message)
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console.log('message:', data)
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// 设备告知伺服器开始为某些资源做种
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// 服务器不参与设备之间通信, 只作有效性统计
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// 设备与8个设备建立连接
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// 连接不足时, 向剩余设备请求邻接表
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// 从邻接表中选择合适的设备建立连接
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// 请求资源时, 遍历每次向随机2个设备询问, 如果不提供, 则向邻接表中的设备询问
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// 如果命中率低, 考虑扩大连接表, 命中率足够时, 考虑缩小连接表
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// 总之先统计资源分布情况
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// 设备获取某些资源的分布节点 -> 随后设备自行连接节点获取数据
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})
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//// 设备加入频道时广播给所有在线设备(也获取所有在线设备)
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//console.log(ws.id, '设备加入频道:', ws.channel, wsInstance.getWss().clients.size)
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//const list = []
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//wsInstance.getWss().clients.forEach(client => {
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// if (client !== ws && client.readyState === 1 && client.channel === ws.channel) {
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// console.log(ws.name, '广播给在线设备:', client.name)
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// client.send(JSON.stringify({ type: 'push', user: { id: ws.id, name: ws.name }, channel: ws.channel }))
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// list.push({ id: client.id, name: client.name })
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// }
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//})
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//ws.send(JSON.stringify({ type: 'list', list }))
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})
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// WEBHOOK 处理 Git 事件
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app.post('/webhook', (req, res) => {
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console.log('WEBHOOK:' + new Date().toLocaleString())
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exec('git pull;npm i;npm run build')
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return res.json({ success: true })
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})
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app.listen(9999, () => console.log('Server started on port 9999'))
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