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Add a simple logging framework

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It's not very pretty now, but it will get better.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
This commit is contained in:
Yuxuan Shui
2018-12-19 23:10:58 +00:00
parent 4040ad259d
commit 1bcd7f2f7a
4 changed files with 374 additions and 14 deletions
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82
src/log.h
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@@ -2,28 +2,84 @@
// Copyright (c) 2018 Yuxuan Shui <yshuiv7@gmail.com>
#pragma once
#include <assert.h>
#include <stdio.h>
#include "compiler.h"
enum log_level {
LOG_LEVEL_TRACE = 0,
LOG_LEVEL_DEBUG,
LOG_LEVEL_INFO,
LOG_LEVEL_WARN,
LOG_LEVEL_ERROR,
LOG_LEVEL_INVALID
};
#define LOG(level, x, ...) \
log_printf(tls_logger, LOG_LEVEL_##level, __func__, x, ##__VA_ARGS__)
#define log_trace(x, ...) LOG(TRACE, x, ##__VA_ARGS__)
#define log_debug(x, ...) LOG(DEBUG, x, ##__VA_ARGS__)
#define log_info(x, ...) LOG(INFO, x, ##__VA_ARGS__)
#define log_warn(x, ...) LOG(WARN, x, ##__VA_ARGS__)
#define log_error(x, ...) LOG(ERROR, x, ##__VA_ARGS__)
/// Print out an error message.
#define printf_err(format, ...) \
fprintf(stderr, format "\n", ## __VA_ARGS__)
#define printf_err(format, ...) log_error(format, ##__VA_ARGS__)
/// Print out an error message with function name.
#define printf_errf(format, ...) \
printf_err("%s" format, __func__, ## __VA_ARGS__)
#define printf_errf(format, ...) log_error(format, ##__VA_ARGS__)
/// Print out an error message with function name, and quit with a
/// specific exit code.
#define printf_errfq(code, format, ...) { \
printf_err("%s" format, __func__, ## __VA_ARGS__); \
exit(code); \
}
#define printf_errfq(code, format, ...) \
{ \
log_error(format, ##__VA_ARGS__); \
exit(code); \
}
/// Print out a debug message.
#define printf_dbg(format, ...) \
printf(format, ## __VA_ARGS__); \
fflush(stdout)
#define printf_dbg(format, ...) log_debug(format, ##__VA_ARGS__)
/// Print out a debug message with function name.
#define printf_dbgf(format, ...) \
printf_dbg("%s" format, __func__, ## __VA_ARGS__)
#define printf_dbgf(format, ...) log_debug(format, ##__VA_ARGS__)
struct log;
struct log_target;
attr_printf(4, 5) void log_printf(struct log *, int level, const char *func,
const char *fmt, ...);
attr_malloc struct log *log_new(void);
attr_nonnull_all void log_destroy(struct log *);
attr_nonnull(1) void log_set_level(struct log *l, int level);
attr_nonnull_all void log_add_target(struct log *, struct log_target *);
extern thread_local struct log *tls_logger;
/// Create a thread local logger
static inline void log_init_tls(void) {
tls_logger = log_new();
}
/// Set thread local logger log level
static inline void log_set_level_tls(int level) {
assert(tls_logger);
log_set_level(tls_logger, level);
}
static inline attr_nonnull_all void log_add_target_tls(struct log_target *tgt) {
assert(tls_logger);
log_add_target(tls_logger, tgt);
}
static inline void log_deinit_tls(void) {
assert(tls_logger);
log_destroy(tls_logger);
tls_logger = NULL;
}
attr_malloc struct log_target *stderr_logger_new(void);
attr_malloc struct log_target *file_logger_new(const char *file);
attr_malloc struct log_target *null_logger_new(void);
attr_malloc struct log_target *glx_string_marker_logger_new(void);
// vim: set noet sw=8 ts=8: