1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
// 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.
'use strict';
require('../common');
const domain = require('domain');
const http = require('http');
const assert = require('assert');
const objects = { foo: 'bar', baz: {}, num: 42, arr: [1, 2, 3] };
objects.baz.asdf = objects;
let serverCaught = 0;
let clientCaught = 0;
const server = http.createServer(function(req, res) {
const 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.
const data = JSON.stringify(objects[req.url.replace(/[^a-z]/g, '')]);
// This line will throw if you pick an unknown key
assert.notStrictEqual(data, undefined);
res.writeHead(200);
res.end(data);
});
});
server.listen(0, next);
function next() {
const port = this.address().port;
console.log(`listening on localhost:${port}`);
let requests = 0;
let responses = 0;
makeReq('/');
makeReq('/foo');
makeReq('/arr');
makeReq('/baz');
makeReq('/num');
function makeReq(p) {
requests++;
const dom = domain.create();
dom.on('error', function(er) {
clientCaught++;
console.log('client error', er);
req.socket.destroy();
});
const req = http.get({ host: 'localhost', port: port, path: p });
dom.add(req);
req.on('response', function(res) {
responses++;
console.error(`requests=${requests} responses=${responses}`);
if (responses === requests) {
console.error('done, closing server');
// no more coming.
server.close();
}
dom.add(res);
let 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.strictEqual(serverCaught, 2);
assert.strictEqual(clientCaught, 2);
console.log('ok');
});
|
