1/***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2019, 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.haxx.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#ifdef HAVE_PTHREAD_H
29#include <pthread.h>
30#include <unistd.h>
31
32#define TEST_HANG_TIMEOUT 60 * 1000
33#define CONN_NUM 3
34#define TIME_BETWEEN_START_SECS 2
35
36static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
37static CURL *pending_handles[CONN_NUM];
38static int pending_num = 0;
39static int test_failure = 0;
40
41static CURLM *multi = NULL;
42static const char *url;
43
44static void *run_thread(void *ptr)
45{
46 CURL *easy = NULL;
47 int res = 0;
48 int i;
49
50 (void)ptr;
51
52 for(i = 0; i < CONN_NUM; i++) {
53 sleep(TIME_BETWEEN_START_SECS);
54
55 easy_init(easy);
56
57 easy_setopt(easy, CURLOPT_URL, url);
58 easy_setopt(easy, CURLOPT_VERBOSE, 0L);
59
60 pthread_mutex_lock(&lock);
61
62 if(test_failure) {
63 pthread_mutex_unlock(&lock);
64 goto test_cleanup;
65 }
66
67 pending_handles[pending_num] = easy;
68 pending_num++;
69 easy = NULL;
70
71 pthread_mutex_unlock(&lock);
72
73 multi_wakeup(multi);
74 }
75
76test_cleanup:
77
78 curl_easy_cleanup(easy);
79
80 pthread_mutex_lock(&lock);
81
82 if(!test_failure)
83 test_failure = res;
84
85 pthread_mutex_unlock(&lock);
86
87 return NULL;
88}
89
90int test(char *URL)
91{
92 int still_running;
93 int num;
94 int i;
95 int res = 0;
96 CURL *started_handles[CONN_NUM];
97 int started_num = 0;
98 int finished_num = 0;
99 pthread_t tid = 0;
100 struct CURLMsg *message;
101
102 start_test_timing();
103
104 global_init(CURL_GLOBAL_ALL);
105
106 multi_init(multi);
107
108 url = URL;
109
110 res = pthread_create(&tid, NULL, run_thread, NULL);
111 if(0 != res) {
112 fprintf(stderr, "%s:%d Couldn't create thread, errno %d\n",
113 __FILE__, __LINE__, res);
114 goto test_cleanup;
115 }
116
117 while(1) {
118 multi_perform(multi, &still_running);
119
120 abort_on_test_timeout();
121
122 while((message = curl_multi_info_read(multi, &num)) != NULL) {
123 if(message->msg == CURLMSG_DONE) {
124 res = message->data.result;
125 if(res)
126 goto test_cleanup;
127 multi_remove_handle(multi, message->easy_handle);
128 finished_num++;
129 }
130 else {
131 fprintf(stderr, "%s:%d Got an unexpected message from curl: %i\n",
132 __FILE__, __LINE__, (int)message->msg);
133 res = TEST_ERR_MAJOR_BAD;
134 goto test_cleanup;
135 }
136
137 abort_on_test_timeout();
138 }
139
140 if(CONN_NUM == finished_num)
141 break;
142
143 multi_poll(multi, NULL, 0, TEST_HANG_TIMEOUT, &num);
144
145 abort_on_test_timeout();
146
147 pthread_mutex_lock(&lock);
148
149 while(pending_num > 0) {
150 res_multi_add_handle(multi, pending_handles[pending_num - 1]);
151 if(res) {
152 pthread_mutex_unlock(&lock);
153 goto test_cleanup;
154 }
155
156 started_handles[started_num] = pending_handles[pending_num - 1];
157 started_num++;
158 pending_num--;
159 }
160
161 pthread_mutex_unlock(&lock);
162
163 abort_on_test_timeout();
164 }
165
166 if(CONN_NUM != started_num) {
167 fprintf(stderr, "%s:%d Not all connections started: %d of %d\n",
168 __FILE__, __LINE__, started_num, CONN_NUM);
169 goto test_cleanup;
170 }
171
172 if(CONN_NUM != finished_num) {
173 fprintf(stderr, "%s:%d Not all connections finished: %d of %d\n",
174 __FILE__, __LINE__, started_num, CONN_NUM);
175 goto test_cleanup;
176 }
177
178test_cleanup:
179
180 pthread_mutex_lock(&lock);
181 if(!test_failure)
182 test_failure = res;
183 pthread_mutex_unlock(&lock);
184
185 if(0 != tid)
186 pthread_join(tid, NULL);
187
188 curl_multi_cleanup(multi);
189 for(i = 0; i < pending_num; i++)
190 curl_easy_cleanup(pending_handles[i]);
191 for(i = 0; i < started_num; i++)
192 curl_easy_cleanup(started_handles[i]);
193 curl_global_cleanup();
194
195 return test_failure;
196}
197
198#else /* without pthread, this test doesn't work */
199int test(char *URL)
200{
201 (void)URL;
202 return 0;
203}
204#endif
205