diff options
Diffstat (limited to 'libglusterfs/src/logging.h')
| -rw-r--r-- | libglusterfs/src/logging.h | 129 |
1 files changed, 114 insertions, 15 deletions
diff --git a/libglusterfs/src/logging.h b/libglusterfs/src/logging.h index e2b7e664d..b6b13fbd0 100644 --- a/libglusterfs/src/logging.h +++ b/libglusterfs/src/logging.h @@ -61,6 +61,20 @@ typedef enum { GF_LOG_TRACE, /* full trace of operation */ } gf_loglevel_t; +/* format for the logs */ +typedef enum { + gf_logformat_traditional = 0, /* Format as in gluster 3.5 */ + gf_logformat_withmsgid, /* Format enhanced with MsgID, ident, errstr */ + gf_logformat_cee /* log enhanced format in cee */ +} gf_log_format_t; + +/* log infrastructure to log to */ +typedef enum { + gf_logger_glusterlog = 0, /* locations and files as in gluster 3.5 */ + gf_logger_syslog /* log to (r)syslog, based on (r)syslog conf */ + /* NOTE: In the future journald, lumberjack, next new thing here */ +} gf_log_logger_t; + #define DEFAULT_LOG_FILE_DIRECTORY DATADIR "/log/glusterfs" #define DEFAULT_LOG_LEVEL GF_LOG_INFO @@ -76,11 +90,10 @@ typedef struct gf_log_handle_ { FILE *gf_log_logfile; char *cmd_log_filename; FILE *cmdlogfile; -#ifdef GF_USE_SYSLOG - int log_control_file_found; + gf_log_logger_t logger; + gf_log_format_t logformat; char *ident; -#endif /* GF_USE_SYSLOG */ - + int log_control_file_found; } gf_log_handle_t; void gf_log_globals_init (void *ctx); @@ -90,25 +103,117 @@ void gf_log_logrotate (int signum); void gf_log_cleanup (void); +/* Internal interfaces to log messages with message IDs */ +int _gf_msg (const char *domain, const char *file, + const char *function, int32_t line, gf_loglevel_t level, + int errnum, int trace, uint64_t msgid, const char *fmt, ...) + __attribute__ ((__format__ (__printf__, 9, 10))); + +void _gf_msg_backtrace_nomem (gf_loglevel_t level, int stacksize); + +int _gf_msg_plain (gf_loglevel_t level, const char *fmt, ...) + __attribute__ ((__format__ (__printf__, 2, 3))); + +int _gf_msg_plain_nomem (gf_loglevel_t level, const char *msg); + +int _gf_msg_vplain (gf_loglevel_t level, const char *fmt, va_list ap); + +int _gf_msg_nomem (const char *domain, const char *file, + const char *function, int line, gf_loglevel_t level, + size_t size); + int _gf_log (const char *domain, const char *file, const char *function, int32_t line, gf_loglevel_t level, const char *fmt, ...) __attribute__ ((__format__ (__printf__, 6, 7))); + int _gf_log_callingfn (const char *domain, const char *file, const char *function, int32_t line, gf_loglevel_t level, const char *fmt, ...) __attribute__ ((__format__ (__printf__, 6, 7))); -int _gf_log_nomem (const char *domain, const char *file, - const char *function, int line, gf_loglevel_t level, - size_t size); - int _gf_log_eh (const char *function, const char *fmt, ...); +/* treat GF_LOG_TRACE and GF_LOG_NONE as LOG_DEBUG and + * other level as is */ +#define SET_LOG_PRIO(level, priority) do { \ + if (GF_LOG_TRACE == (level) || GF_LOG_NONE == (level)) { \ + priority = LOG_DEBUG; \ + } else { \ + priority = (level) - 1; \ + } \ + } while (0) + +/* extract just the file name from the path */ +#define GET_FILE_NAME_TO_LOG(file, basename) do { \ + basename = strrchr ((file), '/'); \ + if (basename) \ + basename++; \ + else \ + basename = (file); \ + } while (0) + +#define PRINT_SIZE_CHECK(ret, label, strsize) do { \ + if (ret < 0) \ + goto label; \ + if ((strsize - ret) > 0) { \ + strsize -= ret; \ + } else { \ + ret = 0; \ + goto label; \ + } \ + } while (0) + #define FMT_WARN(fmt...) do { if (0) printf (fmt); } while (0) +/* Interface to log messages with message IDs */ +#define gf_msg(dom, levl, errnum, msgid, fmt...) do { \ + _gf_msg (dom, __FILE__, __FUNCTION__, __LINE__, \ + levl, errnum, 0, msgid, ##fmt); \ + } while (0) + +/* no frills, no thrills, just a vanilla message, used to print the graph */ +#define gf_msg_plain(levl, fmt...) do { \ + _gf_msg_plain (levl, ##fmt); \ + } while (0) + +#define gf_msg_plain_nomem(levl, msg) do { \ + _gf_msg_plain_nomem (levl, msg); \ + } while (0) + +#define gf_msg_vplain(levl, fmt, va) do { \ + _gf_msg_vplain (levl, fmt, va); \ + } while (0) + +#define gf_msg_backtrace_nomem(level, stacksize) do { \ + _gf_msg_backtrace_nomem (level, stacksize); \ + } while (0) + +#define gf_msg_callingfn(dom, levl, errnum, msgid, fmt...) do { \ + _gf_msg (dom, __FILE__, __FUNCTION__, __LINE__, \ + levl, errnum, 1, msgid, ##fmt); \ + } while (0) + +/* No malloc or calloc should be called in this function */ +#define gf_msg_nomem(dom, levl, size) do { \ + _gf_msg_nomem (dom, __FILE__, __FUNCTION__, __LINE__, \ + levl, size); \ + } while (0) + +/* Debug or trace messages do not need message IDs as these are more developer + * related. Hence, the following abstractions are provided for the same */ +#define gf_msg_debug(dom, errnum, fmt...) do { \ + _gf_msg (dom, __FILE__, __FUNCTION__, __LINE__, \ + GF_LOG_DEBUG, errnum, 0, 0, ##fmt); \ + } while (0) + +#define gf_msg_trace(dom, errnum, fmt...) do { \ + _gf_msg (dom, __FILE__, __FUNCTION__, __LINE__, \ + GF_LOG_TRACE, errnum, 0, 0, ##fmt); \ + } while (0) + #define gf_log(dom, levl, fmt...) do { \ FMT_WARN (fmt); \ _gf_log (dom, __FILE__, __FUNCTION__, __LINE__, \ @@ -127,13 +232,6 @@ int _gf_log_eh (const char *function, const char *fmt, ...); } while (0) -/* No malloc or calloc should be called in this function */ -#define gf_log_nomem(dom, levl, size) do { \ - _gf_log_nomem (dom, __FILE__, __FUNCTION__, __LINE__, \ - levl, size); \ - } while (0) - - /* Log once in GF_UNIVERSAL_ANSWER times */ #define GF_LOG_OCCASIONALLY(var, args...) if (!(var++%GF_UNIVERSAL_ANSWER)) { \ gf_log (args); \ @@ -143,6 +241,7 @@ void gf_log_disable_syslog (void); void gf_log_enable_syslog (void); gf_loglevel_t gf_log_get_loglevel (void); void gf_log_set_loglevel (gf_loglevel_t level); +void gf_log_flush (void); gf_loglevel_t gf_log_get_xl_loglevel (void *xl); void gf_log_set_xl_loglevel (void *xl, gf_loglevel_t level); |