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test-http-destroyed-socket-write.js
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test-http-destroyed-socket-write.js
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// 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.
var common = require('../common');
var assert = require('assert');
// Fix the memory explosion that happens when writing to a http request
// where the server has destroyed the socket on us between a successful
// first request, and a subsequent request that reuses the socket.
//
// This test should not be ported to v0.10 and higher, because the
// problem is fixed by not ignoring ECONNRESET in the first place.
var http = require('http');
var net = require('net');
var server = http.createServer(function(req, res) {
// simulate a server that is in the process of crashing or something
// it only crashes after the first request, but before the second,
// which reuses the connection.
res.end('hallo wereld\n', function() {
setTimeout(function() {
req.connection.destroy();
}, 100);
});
});
var gotFirstResponse = false;
var gotFirstData = false;
var gotFirstEnd = false;
server.listen(common.PORT, function() {
var gotFirstResponse = false;
var first = http.request({
port: common.PORT,
path: '/'
});
first.on('response', function(res) {
gotFirstResponse = true;
res.on('data', function(chunk) {
gotFirstData = true;
});
res.on('end', function() {
gotFirstEnd = true;
})
});
first.end();
second();
function second() {
var sec = http.request({
port: common.PORT,
path: '/',
method: 'POST'
});
var timer = setTimeout(write, 200);
var writes = 0;
var sawFalseWrite;
function write() {
if (++writes === 64) {
clearTimeout(timer);
sec.end();
test();
} else {
timer = setTimeout(write);
var writeRet = sec.write(new Buffer('hello'));
// Once we find out that the connection is destroyed, every
// write() returns false
if (sawFalseWrite)
assert.equal(writeRet, false);
else
sawFalseWrite = writeRet === false;
}
}
assert.equal(first.connection, sec.connection,
'should reuse connection');
sec.on('response', function(res) {
res.on('data', function(chunk) {
console.error('second saw data: ' + chunk);
});
res.on('end', function() {
console.error('second saw end');
});
});
function test() {
server.close();
assert(sec.connection.destroyed);
if (sec.output.length || sec.outputEncodings.length)
console.error('bad happened', sec.output, sec.outputEncodings);
assert.equal(sec.output.length, 0);
assert.equal(sec.outputEncodings, 0);
assert(sawFalseWrite);
assert(gotFirstResponse);
assert(gotFirstData);
assert(gotFirstEnd);
console.log('ok');
}
}
});