xref: /curl/tests/unit/unit1399.c (revision fbf5d507)
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 "curlcheck.h"
25 
26 #include "urldata.h"
27 #include "progress.h"
28 
29 static int usec_magnitude = 1000000;
30 
unit_setup(void)31 static bool unit_setup(void)
32 {
33   return CURLE_OK;
34 }
35 
unit_stop(void)36 static void unit_stop(void)
37 {
38 
39 }
40 
41 /*
42  * Invoke Curl_pgrsTime for TIMER_STARTSINGLE to trigger the behavior that
43  * manages is_t_startransfer_set, but fake the t_startsingle time for purposes
44  * of the test.
45  */
fake_t_startsingle_time(struct Curl_easy * data,struct curltime fake_now,int seconds_offset)46 static void fake_t_startsingle_time(struct Curl_easy *data,
47                                     struct curltime fake_now,
48                                     int seconds_offset)
49 {
50   Curl_pgrsTime(data, TIMER_STARTSINGLE);
51   data->progress.t_startsingle.tv_sec = fake_now.tv_sec + seconds_offset;
52   data->progress.t_startsingle.tv_usec = fake_now.tv_usec;
53 }
54 
usec_matches_seconds(timediff_t time_usec,int expected_seconds)55 static bool usec_matches_seconds(timediff_t time_usec, int expected_seconds)
56 {
57   int time_sec = (int)(time_usec / usec_magnitude);
58   bool same = (time_sec == expected_seconds);
59   fprintf(stderr, "is %d us same as %d seconds? %s\n",
60           (int)time_usec, expected_seconds,
61           same ? "Yes" : "No");
62   return same;
63 }
64 
expect_timer_seconds(struct Curl_easy * data,int seconds)65 static void expect_timer_seconds(struct Curl_easy *data, int seconds)
66 {
67   char msg[64];
68   msnprintf(msg, sizeof(msg), "about %d seconds should have passed", seconds);
69   fail_unless(usec_matches_seconds(data->progress.t_nslookup, seconds), msg);
70   fail_unless(usec_matches_seconds(data->progress.t_connect, seconds), msg);
71   fail_unless(usec_matches_seconds(data->progress.t_appconnect, seconds), msg);
72   fail_unless(usec_matches_seconds(data->progress.t_pretransfer, seconds),
73               msg);
74   fail_unless(usec_matches_seconds(data->progress.t_starttransfer, seconds),
75               msg);
76 }
77 
78 /* Scenario: simulate a redirect. When a redirect occurs, t_nslookup,
79  * t_connect, t_appconnect, t_pretransfer, and t_starttransfer are additive.
80  * E.g., if t_starttransfer took 2 seconds initially and took another 1
81  * second for the redirect request, then the resulting t_starttransfer should
82  * be 3 seconds. */
83 UNITTEST_START
84   struct Curl_easy data;
85   struct curltime now = Curl_now();
86 
87   data.progress.t_nslookup = 0;
88   data.progress.t_connect = 0;
89   data.progress.t_appconnect = 0;
90   data.progress.t_pretransfer = 0;
91   data.progress.t_starttransfer = 0;
92   data.progress.t_redirect = 0;
93   data.progress.start.tv_sec = now.tv_sec - 2;
94   data.progress.start.tv_usec = now.tv_usec;
95   fake_t_startsingle_time(&data, now, -2);
96 
97   Curl_pgrsTime(&data, TIMER_NAMELOOKUP);
98   Curl_pgrsTime(&data, TIMER_CONNECT);
99   Curl_pgrsTime(&data, TIMER_APPCONNECT);
100   Curl_pgrsTime(&data, TIMER_PRETRANSFER);
101   Curl_pgrsTime(&data, TIMER_STARTTRANSFER);
102 
103   expect_timer_seconds(&data, 2);
104 
105   /* now simulate the redirect */
106   data.progress.t_redirect = data.progress.t_starttransfer + 1;
107   fake_t_startsingle_time(&data, now, -1);
108 
109   Curl_pgrsTime(&data, TIMER_NAMELOOKUP);
110   Curl_pgrsTime(&data, TIMER_CONNECT);
111   Curl_pgrsTime(&data, TIMER_APPCONNECT);
112   Curl_pgrsTime(&data, TIMER_PRETRANSFER);
113   /* ensure t_starttransfer is only set on the first invocation by attempting
114    * to set it twice */
115   Curl_pgrsTime(&data, TIMER_STARTTRANSFER);
116   Curl_pgrsTime(&data, TIMER_STARTTRANSFER);
117 
118   expect_timer_seconds(&data, 3);
119 UNITTEST_STOP
120