1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 2013 - 2020, Linus Nielsen Feltzing <linus@haxx.se>
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 "testutil.h"
25 #include "warnless.h"
26 #include "memdebug.h"
27
28 #define TEST_HANG_TIMEOUT 60 * 1000
29
30 #define NUM_HANDLES 4
31
test(char * URL)32 int test(char *URL)
33 {
34 int res = 0;
35 CURL *curl[NUM_HANDLES] = {0};
36 int running;
37 CURLM *m = NULL;
38 int i;
39 char target_url[256];
40 char dnsentry[256];
41 struct curl_slist *slist = NULL, *slist2;
42 char *port = libtest_arg3;
43 char *address = libtest_arg2;
44
45 (void)URL;
46
47 /* Create fake DNS entries for serverX.example.com for all handles */
48 for(i = 0; i < NUM_HANDLES; i++) {
49 msnprintf(dnsentry, sizeof(dnsentry), "server%d.example.com:%s:%s",
50 i + 1, port, address);
51 printf("%s\n", dnsentry);
52 slist2 = curl_slist_append(slist, dnsentry);
53 if(!slist2) {
54 fprintf(stderr, "curl_slist_append() failed\n");
55 goto test_cleanup;
56 }
57 slist = slist2;
58 }
59
60 start_test_timing();
61
62 global_init(CURL_GLOBAL_ALL);
63
64 multi_init(m);
65
66 multi_setopt(m, CURLMOPT_MAXCONNECTS, 3L);
67
68 /* get NUM_HANDLES easy handles */
69 for(i = 0; i < NUM_HANDLES; i++) {
70 /* get an easy handle */
71 easy_init(curl[i]);
72 /* specify target */
73 msnprintf(target_url, sizeof(target_url),
74 "http://server%d.example.com:%s/path/1506%04i",
75 i + 1, port, i + 1);
76 target_url[sizeof(target_url) - 1] = '\0';
77 easy_setopt(curl[i], CURLOPT_URL, target_url);
78 /* go verbose */
79 easy_setopt(curl[i], CURLOPT_VERBOSE, 1L);
80 /* include headers */
81 easy_setopt(curl[i], CURLOPT_HEADER, 1L);
82
83 easy_setopt(curl[i], CURLOPT_RESOLVE, slist);
84 }
85
86 fprintf(stderr, "Start at URL 0\n");
87
88 for(i = 0; i < NUM_HANDLES; i++) {
89 /* add handle to multi */
90 multi_add_handle(m, curl[i]);
91
92 for(;;) {
93 struct timeval interval;
94 fd_set rd, wr, exc;
95 int maxfd = -99;
96
97 interval.tv_sec = 1;
98 interval.tv_usec = 0;
99
100 multi_perform(m, &running);
101
102 abort_on_test_timeout();
103
104 if(!running)
105 break; /* done */
106
107 FD_ZERO(&rd);
108 FD_ZERO(&wr);
109 FD_ZERO(&exc);
110
111 multi_fdset(m, &rd, &wr, &exc, &maxfd);
112
113 /* At this point, maxfd is guaranteed to be greater or equal than -1. */
114
115 select_test(maxfd + 1, &rd, &wr, &exc, &interval);
116
117 abort_on_test_timeout();
118 }
119 wait_ms(1); /* to ensure different end times */
120 }
121
122 test_cleanup:
123
124 /* proper cleanup sequence - type PB */
125
126 for(i = 0; i < NUM_HANDLES; i++) {
127 curl_multi_remove_handle(m, curl[i]);
128 curl_easy_cleanup(curl[i]);
129 }
130
131 curl_slist_free_all(slist);
132
133 curl_multi_cleanup(m);
134 curl_global_cleanup();
135
136 return res;
137 }
138