Files
allwpilib/ntcore/src/main/native/cpp/LoggerImpl.h
2021-01-31 17:06:37 -08:00

84 lines
2.4 KiB
C++

// Copyright (c) FIRST and other WPILib contributors.
// Open Source Software; you can modify and/or share it under the terms of
// the WPILib BSD license file in the root directory of this project.
#ifndef NTCORE_LOGGERIMPL_H_
#define NTCORE_LOGGERIMPL_H_
#include <wpi/CallbackManager.h>
#include "Handle.h"
#include "ntcore_cpp.h"
namespace nt {
namespace impl {
struct LoggerListenerData : public wpi::CallbackListenerData<
std::function<void(const LogMessage& msg)>> {
LoggerListenerData() = default;
LoggerListenerData(std::function<void(const LogMessage& msg)> callback_,
unsigned int min_level_, unsigned int max_level_)
: CallbackListenerData(callback_),
min_level(min_level_),
max_level(max_level_) {}
LoggerListenerData(unsigned int poller_uid_, unsigned int min_level_,
unsigned int max_level_)
: CallbackListenerData(poller_uid_),
min_level(min_level_),
max_level(max_level_) {}
unsigned int min_level;
unsigned int max_level;
};
class LoggerThread
: public wpi::CallbackThread<LoggerThread, LogMessage, LoggerListenerData> {
public:
explicit LoggerThread(int inst) : m_inst(inst) {}
bool Matches(const LoggerListenerData& listener, const LogMessage& data) {
return data.level >= listener.min_level && data.level <= listener.max_level;
}
void SetListener(LogMessage* data, unsigned int listener_uid) {
data->logger = Handle(m_inst, listener_uid, Handle::kLogger).handle();
}
void DoCallback(std::function<void(const LogMessage& msg)> callback,
const LogMessage& data) {
callback(data);
}
int m_inst;
};
} // namespace impl
class LoggerImpl : public wpi::CallbackManager<LoggerImpl, impl::LoggerThread> {
friend class LoggerTest;
friend class wpi::CallbackManager<LoggerImpl, impl::LoggerThread>;
public:
explicit LoggerImpl(int inst);
void Start();
unsigned int Add(std::function<void(const LogMessage& msg)> callback,
unsigned int min_level, unsigned int max_level);
unsigned int AddPolled(unsigned int poller_uid, unsigned int min_level,
unsigned int max_level);
unsigned int GetMinLevel();
void Log(unsigned int level, const char* file, unsigned int line,
const char* msg);
private:
int m_inst;
};
} // namespace nt
#endif // NTCORE_LOGGERIMPL_H_