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'use strict';
// Tests of multiple domains happening at once.
const common = require('../common');
const domain = require('domain');
const http = require('http');
const a = domain.create();
a.enter(); // this will be our "root" domain
a.on('error', common.mustNotCall());
const server = http.createServer((req, res) => {
// child domain of a.
const b = domain.create();
a.add(b);
// treat these EE objects as if they are a part of the b domain
// so, an 'error' event on them propagates to the domain, rather
// than being thrown.
b.add(req);
b.add(res);
b.on('error', common.mustCall((er) => {
if (res) {
res.writeHead(500);
res.end('An error occurred');
}
// res.writeHead(500), res.destroy, etc.
server.close();
}));
// XXX this bind should not be necessary.
// the write cb behavior in http/net should use an
// event so that it picks up the domain handling.
res.write('HELLO\n', b.bind(() => {
throw new Error('this kills domain B, not A');
}));
}).listen(0, () => {
const c = domain.create();
const req = http.get({ host: 'localhost', port: server.address().port });
// add the request to the C domain
c.add(req);
req.on('response', (res) => {
// add the response object to the C domain
c.add(res);
res.pipe(process.stdout);
});
c.on('error', common.mustCall((er) => { }));
});
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