tomato/toxcore/logger.h
Green Sky 3b6bb15e86 Squashed 'external/toxcore/c-toxcore/' changes from 11ab1d2a723..d9b8fa6098d
d9b8fa6098d fix: Fake broadcast address for 127.x.x.x
aa649165a57 chore: Add code for future netprof TCP testing
9e5693de5ac chore: add to_string functions for netprof enums
52d915e6a90 cleanup: Heap allocate network profile objects
80fabd4a729 feat: Implement Tox network profiler
05abe083cb6 cleanup: Some random cleanups, mostly related to mem.
5cca24513b8 cleanup: Check that onion IP/Port packing worked.
e092ecd1244 cleanup: Use tox memory allocator in some more places.
3cfe41c7587 fix: Avoid `memcpy`-ing structs into onion ping id data.
e32ac001938 fix: Add more information on why the frame was not sent.
ab887003687 fix: Allow TCP connections to fail `connect` calls.
7603170e663 refactor: Use tox memory in group connection allocations.
5bd8a85eb89 cleanup: Align internal logger with external on type of source line.
e9bf524d9e1 cleanup: Add missing `#include` to sort_test.cc.
d10c966b998 feat: Add `to_string` functions for toxencryptsave errors.
7bfd0dc8003 docs: Update the docs for group join functions
380dde9f2ae test: Add more logging to TCP connection constructor.
0f12f384c8c cleanup: Reduce stack frame sizes to below 4096 bytes.
bc43cec0626 chore: Happy new year!
fbe78f1702e cleanup: Add a `TOX_HIDE_DEPRECATED` check to hide deprecated symbols.
44d9da07e77 refactor: Use tox memory for group moderation/pack allocations.
7f26d520168 refactor: Use tox memory in group chats allocations.
2f62f3d0e77 refactor: Use tox Memory for group allocations.
8a968162041 chore: Add dispatch/events headers to bazel export.
2bbfb35abf6 docs: Output the error code string instead of int. in toxav logging
d55d0e4eaef cleanup: Remove redundant code for checking if group exists
2a6dc643338 chore: Upgrade dependencies for websockify.
fc0650601c1 fix: Allow peers to reconnect to group chats using a password

git-subtree-dir: external/toxcore/c-toxcore
git-subtree-split: d9b8fa6098de6c074038b6664d2572627540b148
2025-01-18 15:53:06 +01:00

108 lines
3.5 KiB
C

/* SPDX-License-Identifier: GPL-3.0-or-later
* Copyright © 2016-2025 The TokTok team.
* Copyright © 2013 Tox project.
*/
/**
* Logger abstraction backed by callbacks for writing.
*/
#ifndef C_TOXCORE_TOXCORE_LOGGER_H
#define C_TOXCORE_TOXCORE_LOGGER_H
#include <stdint.h>
#include "attributes.h"
#include "mem.h"
#ifdef __cplusplus
extern "C" {
#endif
#ifndef MIN_LOGGER_LEVEL
#define MIN_LOGGER_LEVEL LOGGER_LEVEL_INFO
#endif /* MIN_LOGGER_LEVEL */
// NOTE: Don't forget to update build system files after modifying the enum.
typedef enum Logger_Level {
LOGGER_LEVEL_TRACE,
LOGGER_LEVEL_DEBUG,
LOGGER_LEVEL_INFO,
LOGGER_LEVEL_WARNING,
LOGGER_LEVEL_ERROR,
} Logger_Level;
typedef struct Logger Logger;
typedef void logger_cb(void *context, Logger_Level level, const char *file, uint32_t line,
const char *func, const char *message, void *userdata);
/**
* Creates a new logger with logging disabled (callback is NULL) by default.
*/
non_null()
Logger *logger_new(const Memory *mem);
/**
* Frees all resources associated with the logger.
*/
nullable(1)
void logger_kill(Logger *log);
/**
* Sets the logger callback. Disables logging if set to NULL.
* The context parameter is passed to the callback as first argument.
*/
non_null(1) nullable(2, 3, 4)
void logger_callback_log(Logger *log, logger_cb *function, void *context, void *userdata);
/** @brief Main write function. If logging is disabled, this does nothing.
*
* If the logger is NULL and `NDEBUG` is not defined, this writes to stderr.
* This behaviour should not be used in production code, but can be useful for
* temporarily debugging a function that does not have a logger available. It's
* essentially `fprintf(stderr, ...)`, but with source location.
*
* If `NDEBUG` is defined, the NULL logger does nothing.
*/
non_null(3, 5, 6) nullable(1) GNU_PRINTF(6, 7)
void logger_write(
const Logger *log, Logger_Level level, const char *file, uint32_t line, const char *func,
const char *format, ...);
/* @brief Terminate the program with a signal. */
void logger_abort(void);
#define LOGGER_WRITE(log, level, ...) \
do { \
if (level >= MIN_LOGGER_LEVEL) { \
logger_write(log, level, __FILE__, __LINE__, __func__, __VA_ARGS__); \
} \
} while (0)
/* To log with an logger */
#define LOGGER_TRACE(log, ...) LOGGER_WRITE(log, LOGGER_LEVEL_TRACE, __VA_ARGS__)
#define LOGGER_DEBUG(log, ...) LOGGER_WRITE(log, LOGGER_LEVEL_DEBUG, __VA_ARGS__)
#define LOGGER_INFO(log, ...) LOGGER_WRITE(log, LOGGER_LEVEL_INFO, __VA_ARGS__)
#define LOGGER_WARNING(log, ...) LOGGER_WRITE(log, LOGGER_LEVEL_WARNING, __VA_ARGS__)
#define LOGGER_ERROR(log, ...) LOGGER_WRITE(log, LOGGER_LEVEL_ERROR, __VA_ARGS__)
#define LOGGER_FATAL(log, ...) \
do { \
LOGGER_ERROR(log, __VA_ARGS__); \
logger_abort(); \
} while (0)
#define LOGGER_ASSERT(log, cond, ...) \
do { \
if (!(cond)) { \
LOGGER_ERROR(log, "Assertion failed"); \
LOGGER_FATAL(log, __VA_ARGS__); \
} \
} while (0)
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* C_TOXCORE_TOXCORE_LOGGER_H */