/src/kea/src/lib/util/stopwatch_impl.cc
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1 | | // Copyright (C) 2015-2023 Internet Systems Consortium, Inc. ("ISC") |
2 | | // |
3 | | // This Source Code Form is subject to the terms of the Mozilla Public |
4 | | // License, v. 2.0. If a copy of the MPL was not distributed with this |
5 | | // file, You can obtain one at http://mozilla.org/MPL/2.0/. |
6 | | |
7 | | #include <config.h> |
8 | | |
9 | | #include <util/stopwatch_impl.h> |
10 | | #include <iomanip> |
11 | | #include <sstream> |
12 | | |
13 | | namespace isc { |
14 | | namespace util { |
15 | | |
16 | | using namespace boost::posix_time; |
17 | | |
18 | | StopwatchImpl::StopwatchImpl() |
19 | 95 | : started_(false), |
20 | 95 | last_start_(getCurrentTime()), |
21 | 95 | last_stop_(last_start_), |
22 | 95 | cumulative_time_(microseconds(0)) { |
23 | 95 | } |
24 | | |
25 | 95 | StopwatchImpl::~StopwatchImpl() { |
26 | 95 | } |
27 | | |
28 | | void |
29 | 95 | StopwatchImpl::start() { |
30 | | // If stopwatch is "stopped", start it. |
31 | 95 | if (!started_) { |
32 | 95 | last_start_ = getCurrentTime(); |
33 | 95 | started_ = true; |
34 | 95 | } |
35 | 95 | } |
36 | | |
37 | | void |
38 | 95 | StopwatchImpl::stop() { |
39 | | // Is stopwatch is "started", stop it. |
40 | 95 | if (started_) { |
41 | 95 | last_stop_ = getCurrentTime(); |
42 | | // Update the total time with the last measured duration. |
43 | 95 | cumulative_time_ += last_stop_ - last_start_; |
44 | 95 | started_ = false; |
45 | 95 | } |
46 | 95 | } |
47 | | |
48 | | void |
49 | 0 | StopwatchImpl::reset() { |
50 | | // Set last start and stop values to the current time. This is the |
51 | | // same as in the constructor. As a result the last duration will |
52 | | // be 0. |
53 | 0 | last_start_ = getCurrentTime(); |
54 | 0 | last_stop_ = last_start_; |
55 | | // Set the total duration to 0. |
56 | 0 | cumulative_time_ = microseconds(0); |
57 | 0 | started_ = false; |
58 | 0 | } |
59 | | |
60 | | time_duration |
61 | 0 | StopwatchImpl::getLastDuration() const { |
62 | | // If the stopwatch is started, the time measured is between the |
63 | | // start time and the current time. Otherwise, it is between the |
64 | | // start time and last stop. |
65 | 0 | ptime end_time = started_ ? getCurrentTime() : last_stop_; |
66 | 0 | return (end_time - last_start_); |
67 | 0 | } |
68 | | |
69 | | time_duration |
70 | 0 | StopwatchImpl::getTotalDuration() const { |
71 | | // Get the total time recorded so far. |
72 | 0 | time_duration total_duration = cumulative_time_; |
73 | 0 | if (started_) { |
74 | | // If the stopwatch is started, add the duration between the |
75 | | // start time and current time. |
76 | 0 | total_duration += (getCurrentTime() - last_start_); |
77 | 0 | } |
78 | 0 | return (total_duration); |
79 | 0 | } |
80 | | |
81 | | std::string |
82 | 0 | StopwatchImpl::logFormat(const boost::posix_time::time_duration& duration) { |
83 | 0 | std::ostringstream s; |
84 | 0 | if (duration.total_seconds() > 0) { |
85 | 0 | s << duration.total_seconds() << "." |
86 | 0 | << std::setfill('0') << std::setw(2) << (duration.total_milliseconds()/10 % 100) |
87 | 0 | << " s"; |
88 | 0 | } else { |
89 | 0 | s << duration.total_milliseconds() << "."; |
90 | 0 | s << std::setfill('0') << std::setw(3) << (duration.total_microseconds() % 1000) |
91 | 0 | << " ms"; |
92 | 0 | } |
93 | 0 | return (s.str()); |
94 | 0 | } |
95 | | |
96 | | ptime |
97 | 285 | StopwatchImpl::getCurrentTime() const { |
98 | 285 | return (microsec_clock::universal_time()); |
99 | 285 | } |
100 | | |
101 | | |
102 | | } // end of isc::util |
103 | | } // end of isc |