1'use strict';
2
3const common = require('../common');
4const net = require('net');
5const http = require('http');
6const assert = require('assert');
7
8const bodySent = 'This is my request';
9
10function assertResponse(headers, body, expectClosed) {
11  if (expectClosed) {
12    assert.match(headers, /Connection: close\r\n/m);
13    assert.strictEqual(headers.search(/Keep-Alive: timeout=5, max=3\r\n/m), -1);
14    assert.match(body, /Hello World!/m);
15  } else {
16    assert.match(headers, /Connection: keep-alive\r\n/m);
17    assert.match(headers, /Keep-Alive: timeout=5, max=3\r\n/m);
18    assert.match(body, /Hello World!/m);
19  }
20}
21
22function writeRequest(socket) {
23  socket.write('POST / HTTP/1.1\r\n');
24  socket.write('Connection: keep-alive\r\n');
25  socket.write('Content-Type: text/plain\r\n');
26  socket.write(`Content-Length: ${bodySent.length}\r\n\r\n`);
27  socket.write(`${bodySent}\r\n`);
28  socket.write('\r\n\r\n');
29}
30
31const server = http.createServer((req, res) => {
32  let body = '';
33  req.on('data', (data) => {
34    body += data;
35  });
36
37  req.on('end', () => {
38    if (req.method === 'POST') {
39      assert.strictEqual(bodySent, body);
40    }
41
42    res.writeHead(200, { 'Content-Type': 'text/plain' });
43    res.write('Hello World!');
44    res.end();
45  });
46});
47
48server.maxRequestsPerSocket = 3;
49
50server.listen(0, common.mustCall((res) => {
51  const socket = new net.Socket();
52
53  socket.on('end', common.mustCall(() => {
54    server.close();
55  }));
56
57  socket.on('ready', common.mustCall(() => {
58    writeRequest(socket);
59    writeRequest(socket);
60    writeRequest(socket);
61    writeRequest(socket);
62  }));
63
64  let buffer = '';
65
66  socket.on('data', (data) => {
67    buffer += data;
68
69    const responseParts = buffer.trim().split('\r\n\r\n');
70
71    if (responseParts.length === 8) {
72      assertResponse(responseParts[0], responseParts[1]);
73      assertResponse(responseParts[2], responseParts[3]);
74      assertResponse(responseParts[4], responseParts[5], true);
75
76      assert.match(responseParts[6], /HTTP\/1\.1 503 Service Unavailable/m);
77      assert.match(responseParts[6], /Connection: close\r\n/m);
78      assert.strictEqual(responseParts[6].search(/Keep-Alive: timeout=5\r\n/m), -1);
79      assert.strictEqual(responseParts[7].search(/Hello World!/m), -1);
80
81      socket.end();
82    }
83  });
84
85  socket.connect({ port: server.address().port });
86}));
87