mirror of https://github.com/nodejs/node.git
61 lines
1.3 KiB
JavaScript
61 lines
1.3 KiB
JavaScript
'use strict';
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const net = require('net');
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const {
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setDeserializeMainFunction
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} = require('v8').startupSnapshot;
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const dc = require('diagnostics_channel');
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const echoServer = net.Server(function(connection) {
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connection.on('data', function(chunk) {
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connection.write(chunk);
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});
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connection.on('end', function() {
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connection.end();
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});
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});
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const kNumChars = 256;
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const buffer = new Uint8Array(kNumChars);
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for (let i = 0; i < kNumChars; ++i) {
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buffer[i] = i;
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}
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let recv = '';
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echoServer.on('listening', function() {
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const port = this.address().port;
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console.log(`server port`, port);
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const c = net.createConnection({ host: '127.0.0.1', port });
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c.on('data', function(chunk) {
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recv += chunk.toString('latin1');
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if (recv.length === buffer.length) {
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c.end();
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}
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});
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c.on('connect', function() {
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c.write(buffer);
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});
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c.on('close', function() {
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console.log(`recv.length: ${recv.length}`);
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echoServer.close();
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});
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});
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dc.subscribe('net.server.socket', (({ socket }) => {
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console.log(`From server diagnostics channel:`, socket.localPort);
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}));
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dc.subscribe('net.client.socket', (({ socket }) => {
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console.log(`From client diagnostics channel`);
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}));
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setDeserializeMainFunction(() => {
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echoServer.listen(0);
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});
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