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
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
// Copyright (c) 2014-2016, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "data_logger.hpp"
#include <stdexcept>
#include <boost/chrono.hpp>
#include <boost/filesystem.hpp>
#include <boost/thread.hpp>
#include <chrono>
#include "../../contrib/otshell_utils/utils.hpp"
namespace epee
{
namespace net_utils
{
data_logger &data_logger::get_instance() {
boost::call_once(m_singleton,
[] {
_info_c("dbg/data","Creating singleton of data_logger");
if (m_state != data_logger_state::state_before_init) { _erro_c("dbg/data","Internal error in singleton"); throw std::runtime_error("data_logger singleton"); }
m_state = data_logger_state::state_during_init;
m_obj.reset(new data_logger());
m_state = data_logger_state::state_ready_to_use;
}
);
if (m_state != data_logger_state::state_ready_to_use) {
_erro ("trying to use not working data_logger");
throw std::runtime_error("data_logger ctor state");
}
return * m_obj;
}
data_logger::data_logger() {
_note_c("dbg/data","Starting data logger (for graphs data)");
if (m_state != data_logger_state::state_during_init) { _erro_c("dbg/data","Singleton ctor state"); throw std::runtime_error("data_logger ctor state"); }
boost::lock_guard<boost::mutex> lock(mMutex); // lock
// prepare all the files for given data channels:
mFilesMap["peers"] = data_logger::fileData("log/dr-monero/peers.data");
mFilesMap["download"] = data_logger::fileData("log/dr-monero/net/in-all.data");
mFilesMap["upload"] = data_logger::fileData("log/dr-monero/net/out-all.data");
mFilesMap["request"] = data_logger::fileData("log/dr-monero/net/req-all.data");
mFilesMap["sleep_down"] = data_logger::fileData("log/dr-monero/down_sleep_log.data");
mFilesMap["sleep_up"] = data_logger::fileData("log/dr-monero/up_sleep_log.data");
mFilesMap["calc_time"] = data_logger::fileData("log/dr-monero/get_objects_calc_time.data");
mFilesMap["blockchain_processing_time"] = data_logger::fileData("log/dr-monero/blockchain_log.data");
mFilesMap["block_processing"] = data_logger::fileData("log/dr-monero/block_proc.data");
mFilesMap["peers_limit"] = data_logger::fileData("log/dr-monero/peers_limit.info");
mFilesMap["download_limit"] = data_logger::fileData("log/dr-monero/limit_down.info");
mFilesMap["upload_limit"] = data_logger::fileData("log/dr-monero/limit_up.info");
mFilesMap["peers_limit"].mLimitFile = true;
mFilesMap["download_limit"].mLimitFile = true;
mFilesMap["upload_limit"].mLimitFile = true;
// do NOT modify mFilesMap below this point, since there is no locking for this used (yet)
_info_c("dbg/data","Creating thread for data logger"); // create timer thread
m_thread_maybe_running=true;
std::shared_ptr<boost::thread> logger_thread(new boost::thread([&]() {
_info_c("dbg/data","Inside thread for data logger");
while (m_state == data_logger_state::state_during_init) { // wait for creation to be done (in other thread, in singleton) before actually running
boost::this_thread::sleep_for(boost::chrono::seconds(1));
}
_info_c("dbg/data","Inside thread for data logger - going into main loop");
while (m_state == data_logger_state::state_ready_to_use) { // run as long as we are not closing the single object
boost::this_thread::sleep_for(boost::chrono::seconds(1));
saveToFile(); // save all the pending data
}
_info_c("dbg/data","Inside thread for data logger - done the main loop");
m_thread_maybe_running=false;
}));
logger_thread->detach();
_info_c("dbg/data","Data logger constructed");
}
data_logger::~data_logger() noexcept(false) {
_note_c("dbg/data","Destructor of the data logger");
{
boost::lock_guard<boost::mutex> lock(mMutex);
m_state = data_logger_state::state_dying;
}
_info_c("dbg/data","State was set to dying");
while(m_thread_maybe_running) { // wait for the thread to exit
boost::this_thread::sleep_for(boost::chrono::seconds(1));
_info_c("dbg/data","Waiting for background thread to exit");
}
_info_c("dbg/data","Thread exited");
}
void data_logger::kill_instance() {
m_state = data_logger_state::state_dying;
m_obj.reset();
}
void data_logger::add_data(std::string filename, unsigned int data) {
boost::lock_guard<boost::mutex> lock(mMutex);
if (m_state != data_logger_state::state_ready_to_use) { _info_c("dbg/data","Data logger is not ready, returning."); return; }
if (mFilesMap.find(filename) == mFilesMap.end()) { // no such file/counter
_erro_c("dbg/data","Trying to use not opened data file filename="<<filename);
_erro_c("dbg/data","Disabling saving of graphs due to error");
m_save_graph=false; // <--- disabling saving graphs
return;
}
if (mFilesMap[filename].mLimitFile) { // this holds a number (that is not additive) - e.g. the limit setting
mFilesMap[filename].mDataToSave = data;
} else {
mFilesMap[filename].mDataToSave += data; // this holds a number that should be sum of all accumulated samples
}
}
bool data_logger::is_dying() {
if (m_state == data_logger_state::state_dying) {
return true;
}
else {
return false;
}
}
void data_logger::saveToFile() {
_dbg2_c("dbg/data","saving to files");
boost::lock_guard<boost::mutex> lock(mMutex);
if (m_state != data_logger_state::state_ready_to_use) { _info_c("dbg/data","Data logger is not ready, returning."); return; }
nOT::nUtils::cFilesystemUtils::CreateDirTree("log/dr-monero/net/");
for (auto &element : mFilesMap)
{
element.second.save();
if (!element.second.mLimitFile) element.second.mDataToSave = 0;
}
}
// the inner class:
double data_logger::fileData::get_current_time() {
#if defined(__APPLE__)
auto point = std::chrono::system_clock::now();
#else
auto point = std::chrono::steady_clock::now();
#endif
auto time_from_epoh = point.time_since_epoch();
auto ms = std::chrono::duration_cast< std::chrono::milliseconds >( time_from_epoh ).count();
double ms_f = ms;
return ms_f / 1000.;
}
data_logger::fileData::fileData(std::string pFile) {
_dbg3_c("dbg/data","opening data file named pFile="<<pFile<<" for this="<<this);
mFile = std::make_shared<std::ofstream> (pFile);
_dbg1_c("dbg/data","opened data file named pFile="<<pFile<<" in mFile="<<mFile<<" for this="<<this);
mPath = pFile;
}
void data_logger::fileData::save() {
if (!data_logger::m_save_graph) return; // <--- disabled
_dbg2_c("dbg/data","saving to the file now, mFile="<<mFile);
mFile->open(mPath, std::ios::app);
*mFile << static_cast<int>(get_current_time()) << " " << mDataToSave << std::endl;
mFile->close();
}
data_logger_state data_logger::m_state(data_logger_state::state_before_init); ///< (static) state of the singleton object
std::atomic<bool> data_logger::m_save_graph(false); // (static)
std::atomic<bool> data_logger::m_thread_maybe_running(false); // (static)
boost::once_flag data_logger::m_singleton; // (static)
std::unique_ptr<data_logger> data_logger::m_obj; // (static)
} // namespace
} // namespace
|
