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server.js
60 lines (47 loc) · 1.26 KB
/
server.js
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'use strict';
const net = require('net');
const {
setDeserializeMainFunction
} = require('v8').startupSnapshot;
const dc = require('diagnostics_channel');
const echoServer = net.Server(function(connection) {
connection.on('data', function(chunk) {
connection.write(chunk);
});
connection.on('end', function() {
connection.end();
});
});
const kNumChars = 256;
const buffer = new Uint8Array(kNumChars);
for (let i = 0; i < kNumChars; ++i) {
buffer[i] = i;
}
let recv = '';
echoServer.on('listening', function() {
const port = this.address().port;
console.log(`server port`, port);
const c = net.createConnection({ host: '127.0.0.1', port });
c.on('data', function(chunk) {
recv += chunk.toString('latin1');
if (recv.length === buffer.length) {
c.end();
}
});
c.on('connect', function() {
c.write(buffer);
});
c.on('close', function() {
console.log(`recv.length: ${recv.length}`);
echoServer.close();
});
});
dc.subscribe('net.server.socket', (({ socket }) => {
console.log(`From server diagnostics channel:`, socket.localPort);
}));
dc.subscribe('net.client.socket', (({ socket }) => {
console.log(`From client diagnostics channel`);
}));
setDeserializeMainFunction(() => {
echoServer.listen(0);
});