X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fshared%2Flog.h;h=278010432de3aa7ca90fd6bf2d77729c508f8dbb;hp=c986b2579d7cff2f837286983cc7cadfb682ca26;hb=79008bddf679a5e0900369950eb346c9fa687107;hpb=c2f1db8f83618e60dcded8303d14656d7d26b436 diff --git a/src/shared/log.h b/src/shared/log.h index c986b2579..278010432 100644 --- a/src/shared/log.h +++ b/src/shared/log.h @@ -21,11 +21,16 @@ along with systemd; If not, see . ***/ -#include #include #include +#include +#include +#include +#include +#include #include "macro.h" +#include "sd-id128.h" typedef enum LogTarget{ LOG_TARGET_CONSOLE, @@ -49,13 +54,15 @@ int log_set_target_from_string(const char *e); int log_set_max_level_from_string(const char *e); void log_show_color(bool b); +bool log_get_show_color(void) _pure_; void log_show_location(bool b); +bool log_get_show_location(void) _pure_; int log_show_color_from_string(const char *e); int log_show_location_from_string(const char *e); -LogTarget log_get_target(void); -int log_get_max_level(void); +LogTarget log_get_target(void) _pure_; +int log_get_max_level(void) _pure_; int log_open(void); void log_close(void); @@ -68,42 +75,132 @@ void log_close_console(void); void log_parse_environment(void); -int log_meta( - int level, - const char*file, - int line, - const char *func, - const char *format, ...) _printf_attr_(5,6); - -int log_metav( - int level, - const char*file, - int line, - const char *func, - const char *format, - va_list ap); - -_noreturn_ void log_assert_failed(const char *text, const char *file, int line, const char *func); -_noreturn_ void log_assert_failed_unreachable(const char *text, const char *file, int line, const char *func); +int log_internal( + int level, + int error, + const char *file, + int line, + const char *func, + const char *format, ...) _printf_(6,7); + +int log_internalv( + int level, + int error, + const char *file, + int line, + const char *func, + const char *format, + va_list ap) _printf_(6,0); + +int log_object_internal( + int level, + int error, + const char *file, + int line, + const char *func, + const char *object_field, + const char *object, + const char *format, ...) _printf_(8,9); + +int log_object_internalv( + int level, + int error, + const char*file, + int line, + const char *func, + const char *object_field, + const char *object, + const char *format, + va_list ap) _printf_(8,0); + +int log_struct_internal( + int level, + int error, + const char *file, + int line, + const char *func, + const char *format, ...) _printf_(6,0) _sentinel_; + +int log_oom_internal( + const char *file, + int line, + const char *func); /* This modifies the buffer passed! */ int log_dump_internal( - int level, - const char*file, - int line, - const char *func, - char *buffer); + int level, + int error, + const char *file, + int line, + const char *func, + char *buffer); + +/* Logging for various assertions */ +noreturn void log_assert_failed( + const char *text, + const char *file, + int line, + const char *func); + +noreturn void log_assert_failed_unreachable( + const char *text, + const char *file, + int line, + const char *func); + +void log_assert_failed_return( + const char *text, + const char *file, + int line, + const char *func); + +/* Logging with level */ +#define log_full_errno(level, error, ...) \ + do { \ + if (log_get_max_level() >= (level)) \ + log_internal((level), error, __FILE__, __LINE__, __func__, __VA_ARGS__); \ + } while (false) + +#define log_full(level, ...) log_full_errno(level, 0, __VA_ARGS__) + +/* Normal logging */ +#define log_debug(...) log_full(LOG_DEBUG, __VA_ARGS__) +#define log_info(...) log_full(LOG_INFO, __VA_ARGS__) +#define log_notice(...) log_full(LOG_NOTICE, __VA_ARGS__) +#define log_warning(...) log_full(LOG_WARNING, __VA_ARGS__) +#define log_error(...) log_full(LOG_ERR, __VA_ARGS__) +#define log_emergency(...) log_full(getpid() == 1 ? LOG_EMERG : LOG_ERR, __VA_ARGS__) + +/* Logging triggered by an errno-like error */ +#define log_debug_errno(error, ...) log_full_errno(LOG_DEBUG, error, __VA_ARGS__) +#define log_info_errno(error, ...) log_full_errno(LOG_INFO, error, __VA_ARGS__) +#define log_notice_errno(error, ...) log_full_errno(LOG_NOTICE, error, __VA_ARGS__) +#define log_warning_errno(error, ...) log_full_errno(LOG_WARNING, error, __VA_ARGS__) +#define log_error_errno(error, ...) log_full_errno(LOG_ERR, error, __VA_ARGS__) +#define log_emergency_errno(error, ...) log_full_errno(getpid() == 1 ? LOG_EMERG : LOG_ERR, __VA_ARGS__) + +#ifdef LOG_TRACE +# define log_trace(...) log_debug(__VA_ARGS__) +#else +# define log_trace(...) do {} while(0) +#endif + +/* Structured logging */ +#define log_struct(level, ...) log_struct_internal(level, 0, __FILE__, __LINE__, __func__, __VA_ARGS__) +#define log_struct_errno(level, error, ...) log_struct_internal(level, error, __FILE__, __LINE__, __func__, __VA_ARGS__) -#define log_full(level, ...) log_meta(level, __FILE__, __LINE__, __func__, __VA_ARGS__) +/* This modifies the buffer passed! */ +#define log_dump(level, buffer) log_dump_internal(level, 0, __FILE__, __LINE__, __func__, buffer) -#define log_debug(...) log_meta(LOG_DEBUG, __FILE__, __LINE__, __func__, __VA_ARGS__) -#define log_info(...) log_meta(LOG_INFO, __FILE__, __LINE__, __func__, __VA_ARGS__) -#define log_notice(...) log_meta(LOG_NOTICE, __FILE__, __LINE__, __func__, __VA_ARGS__) -#define log_warning(...) log_meta(LOG_WARNING, __FILE__, __LINE__, __func__, __VA_ARGS__) -#define log_error(...) log_meta(LOG_ERR, __FILE__, __LINE__, __func__, __VA_ARGS__) +#define log_oom() log_oom_internal(__FILE__, __LINE__, __func__) -/* This modifies the buffer passed! */ -#define log_dump(level, buffer) log_dump_internal(level, __FILE__, __LINE__, __func__, buffer) +bool log_on_console(void) _pure_; + +const char *log_target_to_string(LogTarget target) _const_; +LogTarget log_target_from_string(const char *s) _pure_; + +#define MESSAGE_ID(x) "MESSAGE_ID=" SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(x) + +void log_received_signal(int level, const struct signalfd_siginfo *si); -const char *log_target_to_string(LogTarget target); -LogTarget log_target_from_string(const char *s); +void log_set_upgrade_syslog_to_journal(bool b);