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/*
Userspace Virtual Filesystem
Copyright (C) 2015 Sebastian Herbord. All rights reserved.
This file is part of usvfs.
usvfs is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
usvfs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with usvfs. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "dllimport.h"
#include "formatters.h"
#include "ntdll_declarations.h"
#include "shmlogger.h"
#include "stringutils.h"
namespace usvfs::log
{
enum class DisplayStyle : uint8_t
{
Hex = 0x01
};
class CallLoggerDummy
{
public:
template <typename T>
CallLoggerDummy& addParam(const char*, const T&, uint8_t style = 0)
{
return *this;
}
};
class CallLogger
{
public:
explicit CallLogger(const char* function)
{
const char* namespaceend = strrchr(function, ':');
if (namespaceend != nullptr) {
function = namespaceend + 1;
}
m_Message = function;
}
~CallLogger()
{
try {
static std::shared_ptr<spdlog::logger> log = spdlog::get("hooks");
log->debug("{}", m_Message);
} catch (...) {
// suppress all exceptions in destructor
}
}
template <typename T>
CallLogger& addParam(const char* name, const T& value, uint8_t style = 0);
private:
std::string m_Message;
};
template <typename T>
CallLogger& CallLogger::addParam(const char* name, const T& value, uint8_t style)
{
static bool enabled = spdlog::get("hooks")->should_log(spdlog::level::debug);
typedef std::underlying_type<DisplayStyle>::type DSType;
if (enabled) {
if constexpr (std::is_pointer_v<T>) {
if (value == nullptr) {
std::format_to(std::back_inserter(m_Message), "[{}=<null>]", name);
} else {
std::format_to(std::back_inserter(m_Message), "[{}={}]", name, value);
}
} else if constexpr (std::is_integral_v<T>) {
if (style & static_cast<DSType>(DisplayStyle::Hex)) {
std::format_to(std::back_inserter(m_Message), "[{}={:x}]", name, value);
} else {
std::format_to(std::back_inserter(m_Message), "[{}={}]", name, value);
}
} else {
std::format_to(std::back_inserter(m_Message), "[{}={}]", name, value);
}
}
return *this;
}
spdlog::level::level_enum ConvertLogLevel(LogLevel level);
LogLevel ConvertLogLevel(spdlog::level::level_enum level);
} // namespace usvfs::log
// prefer the short variant of the function name, without signature.
// Fall back to the portable boost macro
#ifdef __FUNCTION__
#define __MYFUNC__ __FUNCTION__
#else
#define __MYFUNC__ BOOST_CURRENT_FUNCTION
#endif
#define LOG_CALL() usvfs::log::CallLogger(__MYFUNC__)
#define PARAM(val) addParam(#val, val)
#define PARAMHEX(val) \
addParam(#val, val, static_cast<uint8_t>(usvfs::log::DisplayStyle::Hex))
#define PARAMWRAP(val) addParam(#val, usvfs::log::wrap(val))
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