diff options
Diffstat (limited to 'libglusterfs/src/logging.h')
| -rw-r--r-- | libglusterfs/src/logging.h | 261 |
1 files changed, 197 insertions, 64 deletions
diff --git a/libglusterfs/src/logging.h b/libglusterfs/src/logging.h index cb23cb54f..0c5c3b4c4 100644 --- a/libglusterfs/src/logging.h +++ b/libglusterfs/src/logging.h @@ -1,20 +1,11 @@ /* - Copyright (c) 2006-2011 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. + Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com> + This file is part of GlusterFS. + + This file is licensed to you under your choice of the GNU Lesser + General Public License, version 3 or any later version (LGPLv3 or + later), or the GNU General Public License, version 2 (GPLv2), in all + cases as published by the Free Software Foundation. */ #ifndef __LOGGING_H__ @@ -28,21 +19,34 @@ #include <stdint.h> #include <stdio.h> #include <stdarg.h> +#include <pthread.h> #ifdef GF_DARWIN_HOST_OS #define GF_PRI_FSBLK "u" #define GF_PRI_DEV PRId32 -#define GF_PRI_NLINK PRIu16 +#define GF_PRI_INODE PRIu64 +#define GF_PRI_NLINK PRIu32 +#define GF_PRI_SECOND "ld" #define GF_PRI_SUSECONDS "06d" +#define GF_PRI_USEC "d" #else #define GF_PRI_FSBLK PRIu64 #define GF_PRI_DEV PRIu64 +#define GF_PRI_INODE PRIu64 #define GF_PRI_NLINK PRIu32 +#define GF_PRI_SECOND "lu" #define GF_PRI_SUSECONDS "06ld" +#define GF_PRI_USEC "ld" #endif #define GF_PRI_BLKSIZE PRId32 #define GF_PRI_SIZET "zu" +#ifdef GF_DARWIN_HOST_OS +#define GF_PRI_TIME "ld" +#else +#define GF_PRI_TIME PRIu64 +#endif + #if 0 /* Syslog definitions :-) */ #define LOG_EMERG 0 /* system is unusable */ @@ -55,6 +59,12 @@ #define LOG_DEBUG 7 /* debug-level messages */ #endif +#define GF_LOG_FORMAT_NO_MSG_ID "no-msg-id" +#define GF_LOG_FORMAT_WITH_MSG_ID "with-msg-id" + +#define GF_LOGGER_GLUSTER_LOG "gluster-log" +#define GF_LOGGER_SYSLOG "syslog" + typedef enum { GF_LOG_NONE, GF_LOG_EMERG, @@ -68,76 +78,205 @@ typedef enum { GF_LOG_TRACE, /* full trace of operation */ } gf_loglevel_t; -extern gf_loglevel_t gf_log_loglevel; -extern char gf_log_xl_log_set; +/* 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; -#define FMT_WARN(fmt...) do { if (0) printf (fmt); } while (0) +/* 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 gf_log(dom, levl, fmt...) do { \ - FMT_WARN (fmt); \ - \ - if ((levl > gf_log_loglevel) && !gf_log_xl_log_set) \ - break; \ - _gf_log (dom, __FILE__, __FUNCTION__, __LINE__, \ - levl, ##fmt); \ - } while (0) +#define DEFAULT_LOG_FILE_DIRECTORY DATADIR "/log/glusterfs" +#define DEFAULT_LOG_LEVEL GF_LOG_INFO -#define gf_log_callingfn(dom, levl, fmt...) do { \ - FMT_WARN (fmt); \ - \ - if ((levl > gf_log_loglevel) && !gf_log_xl_log_set) \ - break; \ - _gf_log_callingfn (dom, __FILE__, __FUNCTION__, __LINE__, \ - levl, ##fmt); \ - } while (0) +typedef struct gf_log_handle_ { + pthread_mutex_t logfile_mutex; + uint8_t logrotate; + gf_loglevel_t loglevel; + int gf_log_syslog; + gf_loglevel_t sys_log_level; + char gf_log_xl_log_set; + char *filename; + FILE *logfile; + FILE *gf_log_logfile; + char *cmd_log_filename; + FILE *cmdlogfile; + gf_log_logger_t logger; + gf_log_format_t logformat; + char *ident; + int log_control_file_found; +} gf_log_handle_t; +void gf_log_globals_init (void *ctx); +int gf_log_init (void *data, const char *filename, const char *ident); -/* No malloc or calloc should be called in this function */ -#define gf_log_nomem(dom, levl, size) do { \ - if ((levl > gf_log_loglevel) && !gf_log_xl_log_set) \ - break; \ - _gf_log_nomem (dom, __FILE__, __FUNCTION__, __LINE__, \ - levl, size); \ - } while (0) +void gf_log_logrotate (int signum); +void gf_log_cleanup (void); -/* Log once in GF_UNIVERSAL_ANSWER times */ -#define GF_LOG_OCCASIONALLY(var, args...) if (!(var++%GF_UNIVERSAL_ANSWER)) { \ - gf_log (args); \ - } +/* 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); -void gf_log_logrotate (int signum); +int _gf_msg_plain (gf_loglevel_t level, const char *fmt, ...) + __attribute__ ((__format__ (__printf__, 2, 3))); -void gf_log_globals_init (void); -int gf_log_init (const char *filename); -void gf_log_cleanup (void); +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, + +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, ...); -int gf_log_from_client (const char *msg, char *identifier); -void gf_log_lock (void); -void gf_log_unlock (void); + +/* 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__, \ + levl, ##fmt); \ + } while (0) + +#define gf_log_eh(fmt...) do { \ + FMT_WARN (fmt); \ + _gf_log_eh (__FUNCTION__, ##fmt); \ + } while (0) + +#define gf_log_callingfn(dom, levl, fmt...) do { \ + FMT_WARN (fmt); \ + _gf_log_callingfn (dom, __FILE__, __FUNCTION__, __LINE__, \ + levl, ##fmt); \ + } while (0) + + +/* Log once in GF_UNIVERSAL_ANSWER times */ +#define GF_LOG_OCCASIONALLY(var, args...) if (!(var++%GF_UNIVERSAL_ANSWER)) { \ + gf_log (args); \ + } 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); +int gf_cmd_log (const char *domain, const char *fmt, ...) + __attribute__ ((__format__ (__printf__, 2, 3))); + +int gf_cmd_log_init (const char *filename); + +void set_sys_log_level (gf_loglevel_t level); + +int gf_log_fini(void *data); + +void +gf_log_set_logger (gf_log_logger_t logger); + +void +gf_log_set_logformat (gf_log_format_t format); + #define GF_DEBUG(xl, format, args...) \ gf_log ((xl)->name, GF_LOG_DEBUG, format, ##args) #define GF_INFO(xl, format, args...) \ @@ -147,10 +286,4 @@ void gf_log_set_xl_loglevel (void *xl, gf_loglevel_t level); #define GF_ERROR(xl, format, args...) \ gf_log ((xl)->name, GF_LOG_ERROR, format, ##args) -int gf_cmd_log (const char *domain, const char *fmt, ...) - __attribute__ ((__format__ (__printf__, 2, 3))); - -int gf_cmd_log_init (const char *filename); - -void set_sys_log_level (gf_loglevel_t level); #endif /* __LOGGING_H__ */ |