1/***************************************************************************
2 *                                  _   _ ____  _
3 *  Project                     ___| | | |  _ \| |
4 *                             / __| | | | |_) | |
5 *                            | (__| |_| |  _ <| |___
6 *                             \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2017, 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 "curlcheck.h"
23
24#include "urldata.h"
25#include "progress.h"
26
27static int usec_magnitude = 1000000;
28
29static bool unit_setup(void)
30{
31  return CURLE_OK;
32}
33
34static void unit_stop(void)
35{
36
37}
38
39/*
40 * Invoke Curl_pgrsTime for TIMER_STARTSINGLE to trigger the behavior that
41 * manages is_t_startransfer_set, but fake the t_startsingle time for purposes
42 * of the test.
43 */
44static void fake_t_startsingle_time(struct Curl_easy *data,
45                                    struct curltime fake_now,
46                                    int seconds_offset)
47{
48  Curl_pgrsTime(data, TIMER_STARTSINGLE);
49  data->progress.t_startsingle.tv_sec = fake_now.tv_sec + seconds_offset;
50  data->progress.t_startsingle.tv_usec = fake_now.tv_usec;
51}
52
53static bool usec_matches_seconds(time_t time_usec, int expected_seconds)
54{
55  int time_sec = (int)(time_usec / usec_magnitude);
56  bool same = (time_sec == expected_seconds);
57  fprintf(stderr, "is %d us same as %d seconds? %s\n",
58          (int)time_usec, expected_seconds,
59          same?"Yes":"No");
60  return same;
61}
62
63static void expect_timer_seconds(struct Curl_easy *data, int seconds)
64{
65  char msg[64];
66  snprintf(msg, sizeof(msg), "about %d seconds should have passed", seconds);
67  fail_unless(usec_matches_seconds(data->progress.t_nslookup, seconds), msg);
68  fail_unless(usec_matches_seconds(data->progress.t_connect, seconds), msg);
69  fail_unless(usec_matches_seconds(data->progress.t_appconnect, seconds), msg);
70  fail_unless(usec_matches_seconds(data->progress.t_pretransfer, seconds),
71              msg);
72  fail_unless(usec_matches_seconds(data->progress.t_starttransfer, seconds),
73              msg);
74}
75
76/* Scenario: simulate a redirect. When a redirect occurs, t_nslookup,
77 * t_connect, t_appconnect, t_pretransfer, and t_starttransfer are addative.
78 * E.g., if t_starttransfer took 2 seconds initially and took another 1
79 * second for the redirect request, then the resulting t_starttransfer should
80 * be 3 seconds. */
81UNITTEST_START
82  struct Curl_easy data;
83  struct curltime now = Curl_now();
84
85  data.progress.t_nslookup = 0;
86  data.progress.t_connect = 0;
87  data.progress.t_appconnect = 0;
88  data.progress.t_pretransfer = 0;
89  data.progress.t_starttransfer = 0;
90  data.progress.t_redirect = 0;
91  data.progress.start.tv_sec = now.tv_sec - 2;
92  data.progress.start.tv_usec = now.tv_usec;
93  fake_t_startsingle_time(&data, now, -2);
94
95  Curl_pgrsTime(&data, TIMER_NAMELOOKUP);
96  Curl_pgrsTime(&data, TIMER_CONNECT);
97  Curl_pgrsTime(&data, TIMER_APPCONNECT);
98  Curl_pgrsTime(&data, TIMER_PRETRANSFER);
99  Curl_pgrsTime(&data, TIMER_STARTTRANSFER);
100
101  expect_timer_seconds(&data, 2);
102
103  /* now simulate the redirect */
104  data.progress.t_redirect = data.progress.t_starttransfer + 1;
105  fake_t_startsingle_time(&data, now, -1);
106
107  Curl_pgrsTime(&data, TIMER_NAMELOOKUP);
108  Curl_pgrsTime(&data, TIMER_CONNECT);
109  Curl_pgrsTime(&data, TIMER_APPCONNECT);
110  Curl_pgrsTime(&data, TIMER_PRETRANSFER);
111  /* ensure t_starttransfer is only set on the first invocation by attempting
112   * to set it twice */
113  Curl_pgrsTime(&data, TIMER_STARTTRANSFER);
114  Curl_pgrsTime(&data, TIMER_STARTTRANSFER);
115
116  expect_timer_seconds(&data, 3);
117UNITTEST_STOP
118