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
116
117
118
119
120
|
// 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';
const common = require('../common');
const assert = require('assert');
const cluster = require('cluster');
const net = require('net');
if (cluster.isWorker) {
net.createServer((socket) => {
socket.end('echo');
}).listen(common.PORT, '127.0.0.1');
net.createServer((socket) => {
socket.end('echo');
}).listen(common.PORT + 1, '127.0.0.1');
} else if (cluster.isMaster) {
const servers = 2;
// test a single TCP server
const testConnection = function(port, cb) {
const socket = net.connect(port, '127.0.0.1', () => {
// buffer result
let result = '';
socket.on('data', common.mustCall((chunk) => { result += chunk; }));
// check result
socket.on('end', common.mustCall(() => {
cb(result === 'echo');
}));
});
};
// test both servers created in the cluster
const testCluster = function(cb) {
let done = 0;
for (let i = 0, l = servers; i < l; i++) {
testConnection(common.PORT + i, (success) => {
assert.ok(success);
done += 1;
if (done === servers) {
cb();
}
});
}
};
// start two workers and execute callback when both is listening
const startCluster = function(cb) {
const workers = 8;
let online = 0;
for (let i = 0, l = workers; i < l; i++) {
cluster.fork().on('listening', common.mustCall(() => {
online += 1;
if (online === workers * servers) {
cb();
}
}, servers));
}
};
const results = {
start: 0,
test: 0,
disconnect: 0
};
const test = function(again) {
//1. start cluster
startCluster(() => {
results.start += 1;
//2. test cluster
testCluster(() => {
results.test += 1;
//3. disconnect cluster
cluster.disconnect(() => {
results.disconnect += 1;
// run test again to confirm cleanup
if (again) {
test();
}
});
});
});
};
test(true);
process.once('exit', () => {
assert.strictEqual(results.start, 2);
assert.strictEqual(results.test, 2);
assert.strictEqual(results.disconnect, 2);
});
}
|
