1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 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 * SPDX-License-Identifier: curl
22 *
23 ***************************************************************************/
24 #include "test.h"
25
26 #include "testtrace.h"
27 #include "testutil.h"
28 #include "warnless.h"
29 #include "memdebug.h"
30
31 #define TEST_HANG_TIMEOUT 60 * 1000
32
33 /*
34 * Get a single URL without select().
35 */
36
test(char * URL)37 int test(char *URL)
38 {
39 CURL *c = NULL;
40 CURLM *m = NULL;
41 int res = 0;
42 int running = 1;
43 double connect_time = 0.0;
44 double dbl_epsilon;
45
46 dbl_epsilon = 1.0;
47 do {
48 dbl_epsilon /= 2.0;
49 } while((double)(1.0 + (dbl_epsilon/2.0)) > (double)1.0);
50
51 start_test_timing();
52
53 global_init(CURL_GLOBAL_ALL);
54
55 easy_init(c);
56
57 easy_setopt(c, CURLOPT_HEADER, 1L);
58 easy_setopt(c, CURLOPT_URL, URL);
59
60 libtest_debug_config.nohex = 1;
61 libtest_debug_config.tracetime = 1;
62 easy_setopt(c, CURLOPT_DEBUGDATA, &libtest_debug_config);
63 easy_setopt(c, CURLOPT_DEBUGFUNCTION, libtest_debug_cb);
64 easy_setopt(c, CURLOPT_VERBOSE, 1L);
65
66 multi_init(m);
67
68 multi_add_handle(m, c);
69
70 while(running) {
71 struct timeval timeout;
72 fd_set fdread, fdwrite, fdexcep;
73 int maxfd = -99;
74
75 timeout.tv_sec = 0;
76 timeout.tv_usec = 100000L; /* 100 ms */
77
78 multi_perform(m, &running);
79
80 abort_on_test_timeout();
81
82 if(!running)
83 break; /* done */
84
85 FD_ZERO(&fdread);
86 FD_ZERO(&fdwrite);
87 FD_ZERO(&fdexcep);
88
89 multi_fdset(m, &fdread, &fdwrite, &fdexcep, &maxfd);
90
91 /* At this point, maxfd is guaranteed to be greater or equal than -1. */
92
93 select_test(maxfd + 1, &fdread, &fdwrite, &fdexcep, &timeout);
94
95 abort_on_test_timeout();
96 }
97
98 curl_easy_getinfo(c, CURLINFO_CONNECT_TIME, &connect_time);
99 if(connect_time < dbl_epsilon) {
100 fprintf(stderr, "connect time %e is < epsilon %e\n",
101 connect_time, dbl_epsilon);
102 res = TEST_ERR_MAJOR_BAD;
103 }
104
105 test_cleanup:
106
107 /* proper cleanup sequence - type PA */
108
109 curl_multi_remove_handle(m, c);
110 curl_multi_cleanup(m);
111 curl_easy_cleanup(c);
112 curl_global_cleanup();
113
114 return res;
115 }
116