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Logging: Fix fmt errors after rebasing with master

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fmt was updated during the clang-format update, which breaks the previous implementation of FmtLogMessage

Changes were:
* Move definition of FmtLogMessage into log.h to use variadic templates as FMT_VARIADIC was removed

To supplement the change above:
* Move Entry and CreateEntry into log.h
* Add LogEntry in backend.cpp
This commit is contained in:
Daniel Lim Wee Soong 2018-03-16 11:48:33 +08:00
parent ab4ba71f3e
commit eee388588e
3 changed files with 37 additions and 33 deletions
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8
src/common/logging/backend.cpp
View file

@ -265,15 +265,11 @@ void LogMessage(Class log_class, Level log_level, const char* filename, unsigned
Impl::Instance().PushEntry(std::move(entry));
}
void FmtLogMessage(Class log_class, Level log_level, const char* filename, unsigned int line_num,
const char* function, const char* format, fmt::ArgList args) {
void LogEntry(Entry& entry) {
auto filter = Impl::Instance().GetGlobalFilter();
if (!filter.CheckMessage(log_class, log_level))
if (!filter.CheckMessage(entry.log_class, entry.log_level))
return;
Entry entry =
CreateEntry(log_class, log_level, filename, line_num, function, fmt::format(format, args));
Impl::Instance().PushEntry(std::move(entry));
}
} // namespace Log

24
src/common/logging/backend.h
View file

@ -18,26 +18,6 @@ namespace Log {
class Filter;
/**
* A log entry. Log entries are store in a structured format to permit more varied output
* formatting on different frontends, as well as facilitating filtering and aggregation.
*/
struct Entry {
std::chrono::microseconds timestamp;
Class log_class;
Level log_level;
std::string filename;
unsigned int line_num;
std::string function;
std::string message;
Entry() = default;
Entry(Entry&& o) = default;
Entry& operator=(Entry&& o) = default;
Entry& operator=(const Entry& o) = default;
};
/**
* Interface for logging backends. As loggers can be created and removed at runtime, this can be
* used by a frontend for adding a custom logging backend as needed
@ -112,10 +92,6 @@ const char* GetLogClassName(Class log_class);
*/
const char* GetLevelName(Level log_level);
/// Creates a log entry by formatting the given source location, and message.
Entry CreateEntry(Class log_class, Level log_level, const char* filename, unsigned int line_nr,
const char* function, std::string message);
/**
* The global filter will prevent any messages from even being processed if they are filtered. Each
* backend can have a filter, but if the level is lower than the global filter, the backend will

38
src/common/logging/log.h
View file

@ -4,6 +4,7 @@
#pragma once
#include <chrono>
#include <fmt/format.h>
#include "common/common_types.h"
@ -98,6 +99,33 @@ enum class Class : ClassType {
Count ///< Total number of logging classes
};
/**
* A log entry. Log entries are store in a structured format to permit more varied output
* formatting on different frontends, as well as facilitating filtering and aggregation.
*/
struct Entry {
std::chrono::microseconds timestamp;
Class log_class;
Level log_level;
std::string filename;
unsigned int line_num;
std::string function;
std::string message;
Entry() = default;
Entry(Entry&& o) = default;
Entry& operator=(Entry&& o) = default;
Entry& operator=(const Entry& o) = default;
};
/// Creates a log entry by formatting the given source location, and message.
Entry CreateEntry(Class log_class, Level log_level, const char* filename, unsigned int line_nr,
const char* function, std::string message);
// Logs an Entry
void LogEntry(Entry& entry);
/// Logs a message to the global logger.
void LogMessage(Class log_class, Level log_level, const char* filename, unsigned int line_num,
const char* function,
@ -112,10 +140,14 @@ void LogMessage(Class log_class, Level log_level, const char* filename, unsigned
;
/// Logs a message to the global logger, this time with 100% moar fmtlib
template <typename... Args>
void FmtLogMessage(Class log_class, Level log_level, const char* filename, unsigned int line_num,
const char* function, const char* format, fmt::ArgList);
const char* function, const char* format, const Args & ... args) {
Entry entry =
CreateEntry(log_class, log_level, filename, line_num, function, fmt::format(format, args...));
FMT_VARIADIC(void, FmtLogMessage, Class, Level, const char*, unsigned int, const char*, const char*)
LogEntry(entry);
}
} // namespace Log
@ -163,4 +195,4 @@ FMT_VARIADIC(void, FmtLogMessage, Class, Level, const char*, unsigned int, const
__func__, fmt, ##__VA_ARGS__)
#define NGLOG_CRITICAL(log_class, fmt, ...) \
::Log::FmtLogMessage(::Log::Class::log_class, ::Log::Level::Critical, __FILE__, __LINE__, \
__func__, fmt, ##__VA_ARGS__)
__func__, fmt, ##__VA_ARGS__)