mirror of https://gitee.com/openkylin/nodejs.git
113 lines
3.7 KiB
JavaScript
113 lines
3.7 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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require('../common');
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const assert = require('assert');
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const http = require('http');
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const url = require('url');
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//
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// Slight variation on test-http-client-race to test for another race
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// condition involving the parsers FreeList used internally by http.Client.
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//
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const body1_s = '1111111111111111';
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const body2_s = '22222';
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const body3_s = '3333333333333333333';
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const server = http.createServer(function(req, res) {
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const pathname = url.parse(req.url).pathname;
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let body;
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switch (pathname) {
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case '/1': body = body1_s; break;
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case '/2': body = body2_s; break;
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default: body = body3_s;
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}
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res.writeHead(200, {
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'Content-Type': 'text/plain',
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'Content-Length': body.length
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});
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res.end(body);
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});
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server.listen(0);
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let body1 = '';
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let body2 = '';
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let body3 = '';
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server.on('listening', function() {
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//
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// Client #1 is assigned Parser #1
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//
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const req1 = http.get({ port: this.address().port, path: '/1' });
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req1.on('response', function(res1) {
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res1.setEncoding('utf8');
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res1.on('data', function(chunk) {
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body1 += chunk;
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});
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res1.on('end', function() {
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//
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// Delay execution a little to allow the 'close' event to be processed
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// (required to trigger this bug!)
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//
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setTimeout(function() {
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//
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// The bug would introduce itself here: Client #2 would be allocated the
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// parser that previously belonged to Client #1. But we're not finished
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// with Client #1 yet!
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//
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// At this point, the bug would manifest itself and crash because the
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// internal state of the parser was no longer valid for use by Client #1
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//
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const req2 = http.get({ port: server.address().port, path: '/2' });
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req2.on('response', function(res2) {
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res2.setEncoding('utf8');
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res2.on('data', function(chunk) { body2 += chunk; });
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res2.on('end', function() {
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//
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// Just to be really sure we've covered all our bases, execute a
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// request using client2.
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//
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const req3 = http.get({ port: server.address().port, path: '/3' });
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req3.on('response', function(res3) {
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res3.setEncoding('utf8');
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res3.on('data', function(chunk) { body3 += chunk; });
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res3.on('end', function() { server.close(); });
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});
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});
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});
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}, 500);
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});
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});
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});
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process.on('exit', function() {
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assert.strictEqual(body1_s, body1);
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assert.strictEqual(body2_s, body2);
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assert.strictEqual(body3_s, body3);
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});
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