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singleton.cpp
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singleton.cpp
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#include <utility>
#include "crow/TinySHA1.hpp"
#include "frs_api.h"
#include "singleton.h"
#include "tasks.h"
using namespace std;
namespace
{
mutex mtx_log;
}
Singleton::Singleton()
{
std::srand(std::clock());
}
Singleton::~Singleton()
{
sql_client.reset();
sql_client = nullptr;
saveDNNStatsData();
}
//логи
void Singleton::addLog(const String& msg) const
{
scoped_lock locker(mtx_log);
//выводим лог в консоль
auto dt = absl::Now();
auto s_log = absl::Substitute("[$0] $1\n", absl::FormatTime("%H:%M:%S", dt, absl::LocalTimeZone()), msg);
cout << s_log;
//пишем лог в конец файла
std::filesystem::path path = logs_path / (absl::FormatTime("%Y-%m-%d", dt, absl::LocalTimeZone()) + ".log");
std::filesystem::create_directories(logs_path);
std::fstream f(path, std::ios::app);
f << s_log;
}
void Singleton::loadData()
{
try
{
auto mysql_session = sql_client->getSession();
auto result =
mysql_session.sql(SQL_GET_FACE_DESCRIPTORS)
.bind(id_worker)
.execute();
for (auto row : result)
{
int id_descriptor = row[0];
FaceDescriptor fd;
fd.create(1, int(descriptor_size), CV_32F);
std::string s = row[1].get<std::string>();
std::memcpy(fd.data, s.data(), s.size());
double norm_l2 = cv::norm(fd, cv::NORM_L2);
if (norm_l2 <= 0.0)
norm_l2 = 1.0;
fd = fd / norm_l2;
id_descriptor_to_data[id_descriptor] = std::move(fd);
}
} catch (const mysqlx::Error& err)
{
addLog(absl::Substitute(ERROR_SQL_EXEC_IN_FUNCTION, "SQL_GET_FACE_DESCRIPTORS", __FUNCTION__));
addLog(err.what());
return;
}
}
int Singleton::addFaceDescriptor(int id_vstream, const FaceDescriptor& fd, const cv::Mat& f_img)
{
auto mysql_session = sql_client->getSession();
int id_descriptor{};
try
{
mysql_session.startTransaction();
//сохраняем дескриптор и изображение
id_descriptor = static_cast<int>(
mysql_session.sql(SQL_ADD_FACE_DESCRIPTOR)
.bind(mysqlx::bytes(fd.data, descriptor_size * sizeof(float)))
.execute()
.getAutoIncrementValue());
std::vector<uchar> buff_;
cv::imencode(".jpg", f_img, buff_);
mysql_session.sql(SQL_ADD_DESCRIPTOR_IMAGE)
.bind(id_descriptor)
.bind("image/jpeg")
.bind(mysqlx::bytes(buff_.data(), buff_.size()))
.execute();
mysql_session.sql(SQL_ADD_LINK_DESCRIPTOR_VSTREAM)
.bind(id_descriptor)
.bind(id_vstream)
.execute();
mysql_session.commit();
} catch (const mysqlx::Error& err)
{
mysql_session.rollback();
addLog(err.what());
return {};
}
// scope for lock mutex
{
double norm_l2 = cv::norm(fd, cv::NORM_L2);
if (norm_l2 <= 0.0)
norm_l2 = 1.0;
WriteLocker lock(mtx_task_config);
id_descriptor_to_data[id_descriptor] = fd.clone() / norm_l2;
id_descriptor_to_id_vstreams[id_descriptor].insert(id_vstream);
id_vstream_to_id_descriptors[id_vstream].insert(id_descriptor);
}
return id_descriptor;
}
std::tuple<int, String, String> Singleton::addLogFace(int id_vstream, DateTime log_date, int id_descriptor, double quality,
const cv::Rect& face_rect, const string& screenshot) const
{
sha1::SHA1 s;
auto hash_name = absl::StrCat(absl::FormatTime(log_date), id_vstream);
s.processBytes(hash_name.data(), hash_name.size());
uint8_t digest[20];
s.getDigestBytes(digest);
hash_name = absl::BytesToHexString(std::string((const char*)(digest), 16));
auto url_part = absl::Substitute("$0/$1/$2/$3", hash_name[0], hash_name[1], hash_name[2], hash_name);
String image_ext = ".jpg";
auto file_path = screenshot_path / (url_part + image_ext);
//для теста
// auto tt0 = std::chrono::steady_clock::now();
auto mysql_session = sql_client->getSession();
int id_log;
try
{
mysql_session.startTransaction();
id_log = static_cast<int>(
mysql_session.sql(SQL_ADD_LOG_FACE)
.bind(id_vstream)
.bind(absl::FormatTime(API::DATETIME_FORMAT_LOG_FACES, log_date, absl::LocalTimeZone()))
.bind(id_descriptor > 0 ? mysqlx::Value(id_descriptor) : mysqlx::nullvalue)
.bind(quality)
.bind(url_part + image_ext)
.bind(face_rect.x)
.bind(face_rect.y)
.bind(face_rect.width)
.bind(face_rect.height)
.execute()
.getAutoIncrementValue());
mysql_session.commit();
} catch (const mysqlx::Error& err)
{
mysql_session.rollback();
addLog(err.what());
return {};
}
//для теста
// auto tt1 = std::chrono::steady_clock::now();
// cout << "____write log_face time: " << std::chrono::duration<double, std::milli>(tt1 - tt0).count() << " ms" << endl;
//пишем файл со скриншотом
std::filesystem::create_directories(file_path.parent_path());
ofstream f(file_path);
f << screenshot;
//для теста
// auto tt2 = std::chrono::steady_clock::now();
// cout << "____write screenshot time: " << std::chrono::duration<double, std::milli>(tt2 - tt1).count() << " ms" << endl;
return {id_log, hash_name, http_server_screenshot_url + url_part + image_ext};
}
void Singleton::addLogDeliveryEvent(DeliveryEventType delivery_type, DeliveryEventResult delivery_result, int id_vstream,
int id_descriptor) const
{
auto mysql_session = sql_client->getSession();
try
{
mysql_session.startTransaction();
mysql_session.sql(SQL_ADD_LOG_DELIVERY_EVENT)
.bind(static_cast<int>(delivery_type))
.bind(static_cast<int>(delivery_result))
.bind(id_vstream)
.bind(id_descriptor)
.execute();
mysql_session.commit();
} catch (const mysqlx::Error& err)
{
mysql_session.rollback();
addLog(err.what());
return;
}
}
void Singleton::addPermanentTasks() const
{
runtime->background_executor()->submit(removeOldLogFaces, false);
}
String Singleton::variantToString(const Variant& v)
{
if (std::holds_alternative<bool>(v))
return std::to_string(static_cast<int>(std::get<bool>(v)));
if (std::holds_alternative<int>(v))
return std::to_string(std::get<int>(v));
if (std::holds_alternative<double>(v))
return std::to_string(std::get<double>(v));
if (std::holds_alternative<String>(v))
return std::get<String>(v);
return {};
}
int Singleton::addSGroupFaceDescriptor(int id_sgroup, const FaceDescriptor& fd, const cv::Mat& f_img)
{
auto mysql_session = sql_client->getSession();
int id_descriptor{};
try
{
mysql_session.startTransaction();
//сохраняем дескриптор и изображение
id_descriptor = static_cast<int>(
mysql_session.sql(SQL_ADD_FACE_DESCRIPTOR)
.bind(mysqlx::bytes(fd.data, descriptor_size * sizeof(float)))
.execute()
.getAutoIncrementValue());
std::vector<uchar> buff_;
cv::imencode(".jpg", f_img, buff_);
mysql_session.sql(SQL_ADD_DESCRIPTOR_IMAGE)
.bind(id_descriptor)
.bind("image/jpeg")
.bind(mysqlx::bytes(buff_.data(), buff_.size()))
.execute();
mysql_session.sql(SQL_ADD_LINK_DESCRIPTOR_SGROUP)
.bind(id_descriptor)
.bind(id_sgroup)
.execute();
mysql_session.commit();
} catch (const mysqlx::Error& err)
{
mysql_session.rollback();
addLog(err.what());
return {};
}
// scope for lock mutex
{
double norm_l2 = cv::norm(fd, cv::NORM_L2);
if (norm_l2 <= 0.0)
norm_l2 = 1.0;
WriteLocker lock(mtx_task_config);
id_descriptor_to_data[id_descriptor] = fd.clone() / norm_l2;
id_sgroup_to_id_descriptors[id_sgroup].insert(id_descriptor);
}
return id_descriptor;
}
//для сбора статистики инференса
void Singleton::loadDNNStatsData()
{
auto file_name = working_path + "/dnn_stats_data.json";
error_code ec;
const auto f_size = std::filesystem::file_size(file_name, ec);
if (!ec && f_size > 0)
{
dnn_stats_data.clear();
string s_data(f_size, '\0');
ifstream f(file_name, std::ios::in | std::ios::binary);
f.read(s_data.data(), static_cast<streamsize>(f_size));
f.close();
crow::json::rvalue json = crow::json::load(s_data);
if (json.has("data") && json["data"].t() == crow::json::type::List)
{
auto data = json["data"];
auto list_data = data.lo();
for (auto& item : list_data)
if (item.has("id_vstream") && item["id_vstream"].t() == crow::json::type::Number
&& item.has("fd_count") && item["fd_count"].t() == crow::json::type::Number
&& item.has("fc_count") && item["fc_count"].t() == crow::json::type::Number
&& item.has("fr_count") && item["fr_count"].t() == crow::json::type::Number)
{
auto id_vstream = static_cast<int>(item["id_vstream"].i());
if (task_config.conf_vstream_url.contains(id_vstream))
dnn_stats_data[id_vstream] = DNNStatsData{
static_cast<int>(item["fd_count"].i()),
static_cast<int>(item["fc_count"].i()),
static_cast<int>(item["fr_count"].i())};
}
}
}
}
//сохраняем данные статистики инференса в файл
void Singleton::saveDNNStatsData()
{
HashMap<int, DNNStatsData> dnn_stats_data_copy;
// scope for lock mutex
{
ReadLocker lock(mtx_stats);
dnn_stats_data_copy = dnn_stats_data;
}
DNNStatsData all_data;
crow::json::wvalue::list list_data;
for (const auto& item : dnn_stats_data_copy)
{
all_data.fd_count += item.second.fd_count;
all_data.fc_count += item.second.fc_count;
all_data.fr_count += item.second.fr_count;
list_data.push_back({
{"id_vstream", item.first},
{"fd_count", item.second.fd_count},
{"fc_count", item.second.fc_count},
{"fr_count", item.second.fr_count},
});
}
crow::json::wvalue json{
{"all", {{"fd_count", all_data.fd_count}, {"fc_count", all_data.fc_count}, {"fr_count", all_data.fr_count}}},
{"data", list_data}};
ofstream f(working_path + "/dnn_stats_data.json");
f << json.dump();
}