89 lines
2.9 KiB
C
89 lines
2.9 KiB
C
#include "log.h"
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static inline int log_snprintf(char *s, size_t n, const char *format, ...) {
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int ret;
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va_list args;
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va_start(args, format);
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ret = log_vsnprintf(s, n, format, args);
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va_end(args);
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return ret;
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}
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int log_default_handler(logger_t *module, log_level_t level, const char *file, int line,
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const char *func, const char *fmt, ...) {
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const char *level_str;
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int offset = 0;
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va_list args;
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va_start(args, fmt);
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/* clang-format off */
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switch (level) {
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case LOG_LEVEL_DEBUG: level_str = "DEBUG"; break;
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case LOG_LEVEL_INFO: level_str = "INFO "; break;
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case LOG_LEVEL_WARN: level_str = "WARN "; break;
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case LOG_LEVEL_ERROR: level_str = "ERROR"; break;
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case LOG_LEVEL_FATAL: level_str = "FATAL"; break;
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case LOG_LEVEL_TRACE: level_str = "TRACE"; break;
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default: level_str = "NOTSET"; break;
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}
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/// @note: 定义 __LOG_NO_COLOR__ 会取消颜色输出
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#ifndef __LOG_NO_COLOR__
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const char *color_code;
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switch (level) {
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case LOG_LEVEL_DEBUG: color_code = ANSI_FG_CYAN; break;
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case LOG_LEVEL_INFO: color_code = ANSI_FG_GREEN; break;
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case LOG_LEVEL_TRACE: color_code = ANSI_FG_BLUE; break;
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case LOG_LEVEL_WARN: color_code = ANSI_FG_YELLOW; break;
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case LOG_LEVEL_ERROR: color_code = ANSI_FG_RED; break;
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case LOG_LEVEL_FATAL: color_code = ANSI_FG_RED ANSI_UNDERLINED; break;
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default: color_code = ANSI_NONE;
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}
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/* clang-format on */
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offset = log_snprintf(module->buf, sizeof(module->buf),
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ANSI_BOLD "%s[%s] %s - %s:%d in %s()" ANSI_NONE " ", color_code,
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level_str, module->name, file, line, func);
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#else
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offset = log_snprintf(module->buf, sizeof(module->buf), "[%s] %s - %s:%d in %s() ", level_str,
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module->name, file, line, func);
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#endif
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/* 然后写入用户消息（如果有） */
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if (fmt && fmt[0]) {
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log_vsnprintf(module->buf + offset, sizeof(module->buf) - offset, fmt, args);
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}
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va_end(args);
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log_puts(module->buf);
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// for clangd warning
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// clang-analyzer-deadcode.DeadStores
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(void)color_code;
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(void)level_str;
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if (level & LOG_LEVEL_FATAL) {
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log_abort();
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}
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return 0;
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}
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logger_t __default_logger_root = {
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.name = "root",
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.level = LOG_LEVEL_ALL,
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.handler = log_default_handler,
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};
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void init_logger(logger_t *logger, const char *name) {
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logger->name = name;
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logger->handler = log_default_handler;
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log_set_level(logger, LOG_LEVEL_ALL);
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}
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void log_set_level(logger_t *logger, int level) {
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if (logger)
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logger->level = level;
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else
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__default_logger_root.level = level;
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}
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void log_set_handler(logger_t *logger, log_handler handler) {
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if (logger)
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logger->handler = handler;
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else
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__default_logger_root.handler = handler;
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}
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