var domain = require('domain'); var http = require('http'); var assert = require('assert'); var common = require('../common'); var objects = { foo: 'bar', baz: {}, num: 42, arr: [1,2,3] }; objects.baz.asdf = objects; var serverCaught = 0; var clientCaught = 0; var disposeEmit = 0; var server = http.createServer(function(req, res) { var dom = domain.create(); req.resume(); dom.add(req); dom.add(res); dom.on('error', function(er) { serverCaught++; console.log('horray! got a server error', er); // try to send a 500. If that fails, oh well. res.writeHead(500, {'content-type':'text/plain'}); res.end(er.stack || er.message || 'Unknown error'); }); dom.run(function() { // Now, an action that has the potential to fail! // if you request 'baz', then it'll throw a JSON circular ref error. var data = JSON.stringify(objects[req.url.replace(/[^a-z]/g, '')]); // this line will throw if you pick an unknown key assert(data !== undefined, 'Data should not be undefined'); res.writeHead(200); res.end(data); }); }); server.listen(common.PORT, next); function next() { console.log('listening on localhost:%d', common.PORT); var requests = 0; var responses = 0; makeReq('/'); makeReq('/foo'); makeReq('/arr'); makeReq('/baz'); makeReq('/num'); function makeReq(p) { requests++; var dom = domain.create(); dom.on('error', function(er) { clientCaught++; console.log('client error', er); req.socket.destroy(); }); var req = http.get({ host: 'localhost', port: common.PORT, path: p }); dom.add(req); req.on('response', function(res) { responses++; console.error('requests=%d responses=%d', requests, responses); if (responses === requests) { console.error('done, closing server'); // no more coming. server.close(); } dom.add(res); var d = ''; res.on('data', function(c) { d += c; }); res.on('end', function() { console.error('trying to parse json', d); d = JSON.parse(d); console.log('json!', d); }); }); } } process.on('exit', function() { assert.equal(serverCaught, 2); assert.equal(clientCaught, 2); console.log('ok'); });