summaryrefslogtreecommitdiffstats
path: root/libglusterfs/src/logging.h
diff options
context:
space:
mode:
Diffstat (limited to 'libglusterfs/src/logging.h')
-rw-r--r--libglusterfs/src/logging.h129
1 files changed, 114 insertions, 15 deletions
diff --git a/libglusterfs/src/logging.h b/libglusterfs/src/logging.h
index e2b7e66..b6b13fb 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);