xref: /curl/tests/libtest/lib1507.c (revision 25cbc2f7)
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 "testutil.h"
27 #include "timediff.h"
28 #include "warnless.h"
29 #include "memdebug.h"
30 
31 /*
32  * This is the list of basic details you need to tweak to get things right.
33  */
34 #define USERNAME "user@example.com"
35 #define PASSWORD "123qwerty"
36 #define RECIPIENT "<1507-recipient@example.com>"
37 #define MAILFROM "<1507-realuser@example.com>"
38 
39 #define MULTI_PERFORM_HANG_TIMEOUT 60 * 1000
40 
read_callback(char * ptr,size_t size,size_t nmemb,void * userp)41 static size_t read_callback(char *ptr, size_t size, size_t nmemb, void *userp)
42 {
43   (void)ptr;
44   (void)size;
45   (void)nmemb;
46   (void)userp;
47   return CURL_READFUNC_ABORT;
48 }
49 
test(char * URL)50 CURLcode test(char *URL)
51 {
52    CURLcode res = CURLE_OK;
53    CURL *curl = NULL;
54    CURLM *mcurl = NULL;
55    int still_running = 1;
56    struct timeval mp_start;
57    struct curl_slist *rcpt_list = NULL;
58 
59    curl_global_init(CURL_GLOBAL_DEFAULT);
60 
61    easy_init(curl);
62 
63    multi_init(mcurl);
64 
65    rcpt_list = curl_slist_append(rcpt_list, RECIPIENT);
66    /* more addresses can be added here
67       rcpt_list = curl_slist_append(rcpt_list, "<others@example.com>");
68    */
69 
70    curl_easy_setopt(curl, CURLOPT_URL, URL);
71 #if 0
72    curl_easy_setopt(curl, CURLOPT_USERNAME, USERNAME);
73    curl_easy_setopt(curl, CURLOPT_PASSWORD, PASSWORD);
74 #endif
75    curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);
76    curl_easy_setopt(curl, CURLOPT_READFUNCTION, read_callback);
77    curl_easy_setopt(curl, CURLOPT_MAIL_FROM, MAILFROM);
78    curl_easy_setopt(curl, CURLOPT_MAIL_RCPT, rcpt_list);
79    curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
80    multi_add_handle(mcurl, curl);
81 
82    mp_start = tutil_tvnow();
83 
84   /* we start some action by calling perform right away */
85   curl_multi_perform(mcurl, &still_running);
86 
87   while(still_running) {
88     struct timeval timeout;
89     int rc; /* select() return code */
90 
91     fd_set fdread;
92     fd_set fdwrite;
93     fd_set fdexcep;
94     int maxfd = -1;
95 
96     long curl_timeo = -1;
97 
98     FD_ZERO(&fdread);
99     FD_ZERO(&fdwrite);
100     FD_ZERO(&fdexcep);
101 
102     /* set a suitable timeout to play around with */
103     timeout.tv_sec = 1;
104     timeout.tv_usec = 0;
105 
106     curl_multi_timeout(mcurl, &curl_timeo);
107     if(curl_timeo >= 0) {
108       curlx_mstotv(&timeout, curl_timeo);
109       if(timeout.tv_sec > 1) {
110         timeout.tv_sec = 1;
111         timeout.tv_usec = 0;
112       }
113     }
114 
115     /* get file descriptors from the transfers */
116     curl_multi_fdset(mcurl, &fdread, &fdwrite, &fdexcep, &maxfd);
117 
118     /* In a real-world program you OF COURSE check the return code of the
119        function calls.  On success, the value of maxfd is guaranteed to be
120        greater or equal than -1.  We call select(maxfd + 1, ...), specially in
121        case of (maxfd == -1), we call select(0, ...), which is basically equal
122        to sleep. */
123 
124     rc = select(maxfd + 1, &fdread, &fdwrite, &fdexcep, &timeout);
125 
126     if(tutil_tvdiff(tutil_tvnow(), mp_start) > MULTI_PERFORM_HANG_TIMEOUT) {
127       fprintf(stderr, "ABORTING TEST, since it seems "
128               "that it would have run forever.\n");
129       break;
130     }
131 
132     switch(rc) {
133     case -1:
134       /* select error */
135       break;
136     case 0: /* timeout */
137     default: /* action */
138       curl_multi_perform(mcurl, &still_running);
139       break;
140     }
141   }
142 
143 test_cleanup:
144 
145   curl_slist_free_all(rcpt_list);
146   curl_multi_remove_handle(mcurl, curl);
147   curl_multi_cleanup(mcurl);
148   curl_easy_cleanup(curl);
149   curl_global_cleanup();
150 
151   return res;
152 }
153