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35 lines
678 B
35 lines
678 B
const server = require('http').createServer()
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const io = require('socket.io')(server)
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/**
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* on client connection
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*
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*/
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io.on('connection', (socket) => {
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// send count to all clients
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io.sockets.emit('count', getCurrentState(socket))
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// send count to all clients if user disconnect
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socket.on('disconnect', () => {
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io.sockets.emit('count', getCurrentState(socket))
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})
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})
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/**
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* get current state, count of clients and time
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*
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* @return object
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*/
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function getCurrentState(socket)
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{
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const now = new Date().toUTCString()
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return {
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'count': socket.client.conn.server.clientsCount,
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'now' : now
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}
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}
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server.listen(3000) |