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c90b514275
PR-URL: https://github.com/nodejs/node/pull/24541 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
80 lines
2.5 KiB
JavaScript
80 lines
2.5 KiB
JavaScript
// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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'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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let chars_recved = 0;
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let 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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const server = net.createServer((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.strictEqual(connection.write(body.slice(2 * part_N, N)), false);
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console.log(`bufferSize: ${connection.bufferSize}`, 'expecting', N);
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assert.ok(connection.bufferSize >= 0 &&
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connection.writableLength <= N);
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connection.end();
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});
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server.listen(common.PORT, () => {
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let paused = false;
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const client = net.createConnection(common.PORT);
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client.setEncoding('ascii');
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client.on('data', (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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const x = chars_recved;
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setTimeout(() => {
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assert.strictEqual(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', () => {
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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', () => {
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assert.strictEqual(chars_recved, N);
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assert.strictEqual(npauses > 2, true);
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});
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