1/***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
9 *
10 * This software is licensed as described in the file COPYING, which
11 * you should have received as part of this distribution. The terms
12 * are also available at https://curl.se/docs/copyright.html.
13 *
14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
15 * copies of the Software, and permit persons to whom the Software is
16 * furnished to do so, under the terms of the COPYING file.
17 *
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
20 *
21 ***************************************************************************/
22#include "test.h"
23
24#include "testtrace.h"
25#include "testutil.h"
26#include "warnless.h"
27#include "memdebug.h"
28
29#define TEST_HANG_TIMEOUT 60 * 1000
30
31/*
32 * Get a single URL without select().
33 */
34
35int test(char *URL)
36{
37 CURL *c = NULL;
38 CURLM *m = NULL;
39 int res = 0;
40 int running = 1;
41 double connect_time = 0.0;
42 double dbl_epsilon;
43
44 dbl_epsilon = 1.0;
45 do {
46 dbl_epsilon /= 2.0;
47 } while((double)(1.0 + (dbl_epsilon/2.0)) > (double)1.0);
48
49 start_test_timing();
50
51 global_init(CURL_GLOBAL_ALL);
52
53 easy_init(c);
54
55 easy_setopt(c, CURLOPT_HEADER, 1L);
56 easy_setopt(c, CURLOPT_URL, URL);
57
58 libtest_debug_config.nohex = 1;
59 libtest_debug_config.tracetime = 1;
60 easy_setopt(c, CURLOPT_DEBUGDATA, &libtest_debug_config);
61 easy_setopt(c, CURLOPT_DEBUGFUNCTION, libtest_debug_cb);
62 easy_setopt(c, CURLOPT_VERBOSE, 1L);
63
64 multi_init(m);
65
66 multi_add_handle(m, c);
67
68 while(running) {
69 struct timeval timeout;
70 fd_set fdread, fdwrite, fdexcep;
71 int maxfd = -99;
72
73 timeout.tv_sec = 0;
74 timeout.tv_usec = 100000L; /* 100 ms */
75
76 multi_perform(m, &running);
77
78 abort_on_test_timeout();
79
80 if(!running)
81 break; /* done */
82
83 FD_ZERO(&fdread);
84 FD_ZERO(&fdwrite);
85 FD_ZERO(&fdexcep);
86
87 multi_fdset(m, &fdread, &fdwrite, &fdexcep, &maxfd);
88
89 /* At this point, maxfd is guaranteed to be greater or equal than -1. */
90
91 select_test(maxfd + 1, &fdread, &fdwrite, &fdexcep, &timeout);
92
93 abort_on_test_timeout();
94 }
95
96 curl_easy_getinfo(c, CURLINFO_CONNECT_TIME, &connect_time);
97 if(connect_time < dbl_epsilon) {
98 fprintf(stderr, "connect time %e is < epsilon %e\n",
99 connect_time, dbl_epsilon);
100 res = TEST_ERR_MAJOR_BAD;
101 }
102
103test_cleanup:
104
105 /* proper cleanup sequence - type PA */
106
107 curl_multi_remove_handle(m, c);
108 curl_multi_cleanup(m);
109 curl_easy_cleanup(c);
110 curl_global_cleanup();
111
112 return res;
113}
114