1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 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 * SPDX-License-Identifier: curl
22 *
23 ***************************************************************************/
24 #include "test.h"
25
26 #include "testutil.h"
27 #include "warnless.h"
28 #include "memdebug.h"
29
30 #define TEST_HANG_TIMEOUT 60 * 1000
31
32 #define NUM_HANDLES 4
33
test(char * URL)34 CURLcode test(char *URL)
35 {
36 CURLcode res = CURLE_OK;
37 CURL *curl[NUM_HANDLES] = {0};
38 int running;
39 CURLM *m = NULL;
40 int i;
41 char target_url[256];
42 char dnsentry[256];
43 struct curl_slist *slist = NULL, *slist2;
44 char *port = libtest_arg3;
45 char *address = libtest_arg2;
46
47 (void)URL;
48
49 /* Create fake DNS entries for serverX.example.com for all handles */
50 for(i = 0; i < NUM_HANDLES; i++) {
51 msnprintf(dnsentry, sizeof(dnsentry), "server%d.example.com:%s:%s",
52 i + 1, port, address);
53 printf("%s\n", dnsentry);
54 slist2 = curl_slist_append(slist, dnsentry);
55 if(!slist2) {
56 fprintf(stderr, "curl_slist_append() failed\n");
57 goto test_cleanup;
58 }
59 slist = slist2;
60 }
61
62 start_test_timing();
63
64 global_init(CURL_GLOBAL_ALL);
65
66 multi_init(m);
67
68 multi_setopt(m, CURLMOPT_MAXCONNECTS, 3L);
69
70 /* get NUM_HANDLES easy handles */
71 for(i = 0; i < NUM_HANDLES; i++) {
72 /* get an easy handle */
73 easy_init(curl[i]);
74 /* specify target */
75 msnprintf(target_url, sizeof(target_url),
76 "http://server%d.example.com:%s/path/1506%04i",
77 i + 1, port, i + 1);
78 target_url[sizeof(target_url) - 1] = '\0';
79 easy_setopt(curl[i], CURLOPT_URL, target_url);
80 /* go verbose */
81 easy_setopt(curl[i], CURLOPT_VERBOSE, 1L);
82 /* include headers */
83 easy_setopt(curl[i], CURLOPT_HEADER, 1L);
84
85 easy_setopt(curl[i], CURLOPT_RESOLVE, slist);
86 }
87
88 fprintf(stderr, "Start at URL 0\n");
89
90 for(i = 0; i < NUM_HANDLES; i++) {
91 /* add handle to multi */
92 multi_add_handle(m, curl[i]);
93
94 for(;;) {
95 struct timeval interval;
96 fd_set rd, wr, exc;
97 int maxfd = -99;
98
99 interval.tv_sec = 1;
100 interval.tv_usec = 0;
101
102 multi_perform(m, &running);
103
104 abort_on_test_timeout();
105
106 if(!running)
107 break; /* done */
108
109 FD_ZERO(&rd);
110 FD_ZERO(&wr);
111 FD_ZERO(&exc);
112
113 multi_fdset(m, &rd, &wr, &exc, &maxfd);
114
115 /* At this point, maxfd is guaranteed to be greater or equal than -1. */
116
117 select_test(maxfd + 1, &rd, &wr, &exc, &interval);
118
119 abort_on_test_timeout();
120 }
121 wait_ms(1); /* to ensure different end times */
122 }
123
124 test_cleanup:
125
126 /* proper cleanup sequence - type PB */
127
128 for(i = 0; i < NUM_HANDLES; i++) {
129 curl_multi_remove_handle(m, curl[i]);
130 curl_easy_cleanup(curl[i]);
131 }
132
133 curl_slist_free_all(slist);
134
135 curl_multi_cleanup(m);
136 curl_global_cleanup();
137
138 return res;
139 }
140
