forked from CobaltFusion/DebugViewPP
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathPolledLogSource.cpp
More file actions
169 lines (147 loc) · 4.12 KB
/
Copy pathPolledLogSource.cpp
File metadata and controls
169 lines (147 loc) · 4.12 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
// (C) Copyright Gert-Jan de Vos and Jan Wilmans 2013.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#include "Win32/Win32Lib.h"
#include "DebugViewppLib/PolledLogSource.h"
#include "DebugViewppLib/LineBuffer.h"
#include <iostream>
namespace fusion {
namespace debugviewpp {
PollLine::PollLine(Win32::Handle handle, const std::string& message, const LogSource* pLogSource) :
timesValid(false),
time(0.0),
systemTime(FILETIME()),
handle(std::move(handle)),
pid(0),
message(message),
pLogSource(pLogSource)
{
}
PollLine::PollLine(DWORD pid, const std::string& processName, const std::string& message, const LogSource* pLogSource) :
timesValid(false),
time(0.0),
systemTime(FILETIME()),
pid(pid),
processName(processName),
message(message),
pLogSource(pLogSource)
{
}
PollLine::PollLine(double time, FILETIME systemTime, DWORD pid, const std::string& processName, const std::string& message, const LogSource* pLogSource) :
timesValid(true),
time(time),
systemTime(systemTime),
pid(pid),
processName(processName),
message(message),
pLogSource(pLogSource)
{
}
PolledLogSource::PolledLogSource(Timer& timer, SourceType::type sourceType, ILineBuffer& linebuffer, long pollFrequency) :
LogSource(timer, sourceType, linebuffer),
m_microsecondInterval(pollFrequency > 0 ? 1000000 / pollFrequency : 0),
m_handle(Win32::CreateEvent(nullptr, false, false, nullptr))
{
}
PolledLogSource::~PolledLogSource()
{
PolledLogSource::Abort();
}
void PolledLogSource::StartThread()
{
if (m_microsecondInterval > std::chrono::microseconds::zero())
{
m_thread = std::make_unique<std::thread>(&PolledLogSource::Loop, this);
}
}
long PolledLogSource::GetMicrosecondInterval() const
{
return static_cast<long>(m_microsecondInterval.count());
}
void PolledLogSource::Abort()
{
LogSource::Abort();
if (m_thread)
{
m_thread->join();
}
m_thread.reset();
Notify();
}
void PolledLogSource::Loop()
{
for (;;)
{
Poll();
Signal();
if (LogSource::AtEnd())
{
break;
}
// sub 16ms sleep, depends on available hardware for accuracy
std::this_thread::sleep_for(m_microsecondInterval);
}
}
HANDLE PolledLogSource::GetHandle() const
{
return m_handle.get();
}
void PolledLogSource::Notify()
{
// this swap is essential for efficiency.
{
std::lock_guard<std::mutex> lock(m_mutex);
m_lines.swap(m_backBuffer);
}
for (auto& line : m_backBuffer)
{
if (line.handle)
{
Add(line.handle.release(), line.message);
}
else if (line.timesValid)
{
Add(line.time, line.systemTime, line.pid, line.processName, line.message);
}
else
{
Add(line.pid, line.processName, line.message);
}
}
m_backBuffer.clear();
}
void PolledLogSource::Poll()
{
}
void PolledLogSource::AddMessage(Win32::Handle handle, const std::string& message)
{
std::lock_guard<std::mutex> lock(m_mutex);
m_lines.emplace_back(PollLine(std::move(handle), message, this));
}
void PolledLogSource::AddMessage(DWORD pid, const std::string& processName, const std::string& message)
{
std::lock_guard<std::mutex> lock(m_mutex);
m_lines.emplace_back(PollLine(pid, processName, message, this));
}
void PolledLogSource::AddMessage(const std::string& message)
{
std::lock_guard<std::mutex> lock(m_mutex);
std::string msg = message;
m_lines.emplace_back(PollLine(0, "[internal]", msg, this));
}
void PolledLogSource::AddMessage(double time, FILETIME systemTime, DWORD pid, const std::string& processName, const std::string& message)
{
std::lock_guard<std::mutex> lock(m_mutex);
m_lines.emplace_back(PollLine(time, systemTime, pid, processName, message, this));
}
void PolledLogSource::Signal()
{
std::lock_guard<std::mutex> lock(m_mutex);
if (!m_lines.empty())
{
SetEvent(m_handle.get());
}
}
} // namespace debugviewpp
} // namespace fusion