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58 lines
1.4 KiB
58 lines
1.4 KiB
'use strict';
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const common = require('../common');
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const assert = require('assert');
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const net = require('net');
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const N = 1024 * 1024;
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const part_N = N / 3;
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var chars_recved = 0;
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var npauses = 0;
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console.log('build big string');
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const body = 'C'.repeat(N);
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console.log('start server on port ' + common.PORT);
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var server = net.createServer(function(connection) {
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connection.write(body.slice(0, part_N));
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connection.write(body.slice(part_N, 2 * part_N));
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assert.equal(false, connection.write(body.slice(2 * part_N, N)));
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console.log('bufferSize: ' + connection.bufferSize, 'expecting', N);
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assert.ok(0 <= connection.bufferSize &&
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connection._writableState.length <= N);
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connection.end();
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});
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server.listen(common.PORT, function() {
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var paused = false;
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var client = net.createConnection(common.PORT);
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client.setEncoding('ascii');
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client.on('data', function(d) {
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chars_recved += d.length;
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console.log('got ' + chars_recved);
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if (!paused) {
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client.pause();
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npauses += 1;
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paused = true;
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console.log('pause');
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var x = chars_recved;
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setTimeout(function() {
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assert.equal(chars_recved, x);
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client.resume();
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console.log('resume');
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paused = false;
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}, 100);
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}
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});
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client.on('end', function() {
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server.close();
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client.end();
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});
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});
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process.on('exit', function() {
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assert.equal(N, chars_recved);
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assert.equal(true, npauses > 2);
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});
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