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If an http response has an 'end' handler that throws, then the socket will never be released back into the pool. Granted, we do NOT guarantee that throwing will never have adverse effects on Node internal state. Such a guarantee cannot be reasonably made in a shared-global mutable-state side-effecty language like JavaScript. However, in this case, it's a rather trivial patch to increase our resilience a little bit, so it seems like a win. There is no semantic change in this case, except that some event listeners are removed, and the `'free'` event is emitted on nextTick, so that you can schedule another request which will re-use the same socket. From the user's point of view, there should be no detectable difference. Closes #5107
68 lines
2.1 KiB
JavaScript
68 lines
2.1 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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var common = require('../common');
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var assert = require('assert');
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// Make sure that throwing in 'end' handler doesn't lock
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// up the socket forever.
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//
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// This is NOT a good way to handle errors in general, but all
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// the same, we should not be so brittle and easily broken.
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var http = require('http');
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var n = 0;
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var server = http.createServer(function(req, res) {
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if (++n === 10) server.close();
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res.end('ok');
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});
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server.listen(common.PORT, function() {
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for (var i = 0; i < 10; i++) {
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var options = { port: common.PORT };
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var req = http.request(options, function (res) {
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res.resume()
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res.on('end', function() {
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throw new Error('gleep glorp');
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});
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});
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req.end();
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}
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});
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setTimeout(function() {
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process.removeListener('uncaughtException', catcher);
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throw new Error('Taking too long!');
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}, 1000).unref();
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process.on('uncaughtException', catcher);
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var errors = 0;
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function catcher() {
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errors++;
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}
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process.on('exit', function() {
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assert.equal(errors, 10);
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console.log('ok');
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});
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