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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');
switch (process.argv[2]) {
case undefined:
return parent();
case 'child':
return child();
default:
throw new Error('wtf');
}
function parent() {
var http = require('http');
var bigResponse = new Buffer(10240).fill('x');
var gotTimeout = false;
var childClosed = false;
var requests = 0;
var connections = 0;
var server = http.createServer(function(req, res) {
requests++;
res.setHeader('content-length', bigResponse.length);
res.end(bigResponse);
});
server.on('connection', function(conn) {
connections++;
});
// kill the connection after a bit, verifying that the
// flood of requests was eventually halted.
server.setTimeout(200, function(conn) {
gotTimeout = true;
conn.destroy();
});
server.listen(common.PORT, function() {
var spawn = require('child_process').spawn;
var args = [__filename, 'child'];
var child = spawn(process.execPath, args, { stdio: 'inherit' });
child.on('close', function(code) {
assert(!code);
childClosed = true;
server.close();
});
});
process.on('exit', function() {
assert(gotTimeout);
assert(childClosed);
assert.equal(connections, 1);
// The number of requests we end up processing before the outgoing
// connection backs up and requires a drain is implementation-dependent.
// We can safely assume is more than 250.
console.log('server got %d requests', requests);
assert(requests >= 250);
console.log('ok');
});
}
function child() {
var net = require('net');
var gotEpipe = false;
var conn = net.connect({ port: common.PORT });
var req = 'GET / HTTP/1.1\r\nHost: localhost:' +
common.PORT + '\r\nAccept: */*\r\n\r\n';
req = new Array(10241).join(req);
conn.on('connect', function() {
write();
});
conn.on('drain', write);
conn.on('error', function(er) {
gotEpipe = true;
});
process.on('exit', function() {
assert(gotEpipe);
console.log('ok - child');
});
function write() {
while (false !== conn.write(req, 'ascii'));
}
}
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