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miguelgrinbergmiguelgrinberg
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v5 protocol: add JavaScript client and server examples for testing
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‎.gitignore‎

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tags
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htmlcov
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*.swp
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node_modules

‎examples/client/README.rst‎

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-------
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Examples that use Python's `asyncio` package for concurrency.
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javascript
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----------
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Examples that use the JavaScript version of Socket.IO for compatiblity testing.

‎examples/client/asyncio/latency_client.py‎

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latency = time.time() - start_timer
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print('latency is {0:.2f} ms'.format(latency * 1000))
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await sio.sleep(1)
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await send_ping()
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if sio.connected:
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await send_ping()
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async def start_server():

‎examples/client/javascript/README.md‎

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# Socket.IO Fiddle
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```
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$ npm install
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$ node fiddle-client.js # to run the fiddle example
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$ node latency-client.js # to run the latency example
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```
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Optionally, specify a port by supplying the `PORT` env variable.

‎examples/client/javascript/fiddle-client.js‎

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const io = require('socket.io-client')
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const port = process.env.PORT || 5000;
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const socket = io('http://localhost:' + port);
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socket.on('connect', () => {
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console.log(`connect ${socket.id}`);
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});
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socket.on('disconnect', () => {
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console.log(`disconnect ${socket.id}`);
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});
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socket.on('hello', (a, b, c) => {
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console.log(a, b, c);
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});

‎examples/client/javascript/latency_client.js‎

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const io = require('socket.io-client')
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const port = process.env.PORT || 5000;
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const socket = io('http://localhost:' + port);
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let last;
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function send () {
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last = new Date();
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socket.emit('ping_from_client');
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}
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socket.on('connect', () => {
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console.log(`connect ${socket.id}`);
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send();
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});
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socket.on('disconnect', () => {
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console.log(`disconnect ${socket.id}`);
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});
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socket.on('pong_from_server', () => {
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const latency = new Date() - last;
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console.log('latency is ' + latency + ' ms');
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setTimeout(send, 1000);
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});

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