| // Copyright Joyent, Inc. and other Node contributors. |
| // |
| // Permission is hereby granted, free of charge, to any person obtaining a |
| // copy of this software and associated documentation files (the |
| // "Software"), to deal in the Software without restriction, including |
| // without limitation the rights to use, copy, modify, merge, publish, |
| // distribute, sublicense, and/or sell copies of the Software, and to permit |
| // persons to whom the Software is furnished to do so, subject to the |
| // following conditions: |
| // |
| // The above copyright notice and this permission notice shall be included |
| // in all copies or substantial portions of the Software. |
| // |
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN |
| // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
| // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
| // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
| // USE OR OTHER DEALINGS IN THE SOFTWARE. |
| |
| |
| |
| |
| // We are demonstrating a problem with http.get when queueing up many |
| // transfers. The server simply introduces some delay and sends a file. |
| // Note this is demonstrated with connection: close. |
| var common = require('../common'); |
| var assert = require('assert'); |
| var http = require('http'); |
| var fs = require('fs'); |
| |
| var image = fs.readFileSync(common.fixturesDir + '/person.jpg'); |
| |
| console.log('image.length = ' + image.length); |
| |
| var total = 100; |
| var requests = 0, responses = 0; |
| |
| var server = http.Server(function(req, res) { |
| if (++requests == total) { |
| server.close(); |
| } |
| |
| setTimeout(function() { |
| res.writeHead(200, { |
| 'content-type': 'image/jpeg', |
| 'connection': 'close', |
| 'content-length': image.length |
| }); |
| res.end(image); |
| }, 1); |
| }); |
| |
| |
| server.listen(common.PORT, function() { |
| for (var i = 0; i < total; i++) { |
| (function() { |
| var x = i; |
| |
| var opts = { |
| port: common.PORT, |
| headers: { connection: 'close' } |
| }; |
| |
| http.get(opts, function(res) { |
| console.error('recv ' + x); |
| var s = fs.createWriteStream(common.tmpDir + '/' + x + '.jpg'); |
| res.pipe(s); |
| |
| // TODO there should be a callback to pipe() that will allow |
| // us to get a callback when the pipe is finished. |
| res.on('end', function() { |
| console.error('done ' + x); |
| if (++responses == total) { |
| s.on('close', checkFiles); |
| } |
| }); |
| }).on('error', function(e) { |
| console.error('error! ', e.message); |
| throw e; |
| }); |
| })(); |
| } |
| }); |
| |
| |
| var checkedFiles = false; |
| function checkFiles() { |
| // Should see 1.jpg, 2.jpg, ..., 100.jpg in tmpDir |
| var files = fs.readdirSync(common.tmpDir); |
| assert(total <= files.length); |
| |
| for (var i = 0; i < total; i++) { |
| var fn = i + '.jpg'; |
| assert.ok(files.indexOf(fn) >= 0, "couldn't find '" + fn + "'"); |
| var stat = fs.statSync(common.tmpDir + '/' + fn); |
| assert.equal(image.length, stat.size, |
| "size doesn't match on '" + fn + |
| "'. Got " + stat.size + ' bytes'); |
| } |
| |
| checkedFiles = true; |
| } |
| |
| |
| process.on('exit', function() { |
| assert.equal(total, requests); |
| assert.equal(total, responses); |
| assert.ok(checkedFiles); |
| }); |