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
