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/*
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Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com>
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This file is part of GlusterFS.
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This file is licensed to you under your choice of the GNU Lesser
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General Public License, version 3 or any later version (LGPLv3 or
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later), or the GNU General Public License, version 2 (GPLv2), in all
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cases as published by the Free Software Foundation.
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*/
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#ifndef __LOGGING_H__
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#define __LOGGING_H__
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#include <sys/time.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <pthread.h>
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#include "glusterfs/list.h"
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#ifdef GF_DARWIN_HOST_OS
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#define GF_PRI_FSBLK "u"
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#define GF_PRI_DEV PRId32
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#define GF_PRI_INODE PRIu64
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#define GF_PRI_NLINK PRIu32
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#define GF_PRI_SECOND "ld"
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#define GF_PRI_SUSECONDS "06d"
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#define GF_PRI_SNSECONDS "09ld"
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#define GF_PRI_USEC "d"
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#else
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#define GF_PRI_FSBLK PRIu64
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#define GF_PRI_DEV PRIu64
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#define GF_PRI_INODE PRIu64
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#define GF_PRI_NLINK PRIu32
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#define GF_PRI_SECOND "lu"
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#define GF_PRI_SUSECONDS "06ld"
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#define GF_PRI_SNSECONDS "09ld"
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#define GF_PRI_USEC "ld"
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#endif
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#define GF_PRI_BLKSIZE PRId32
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#define GF_PRI_SIZET "zu"
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#define GF_PRI_ATOMIC PRIu64
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#ifdef GF_DARWIN_HOST_OS
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#define GF_PRI_TIME "ld"
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#else
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#define GF_PRI_TIME PRIu64
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#endif
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#if 0
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/* Syslog definitions :-) */
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#define LOG_EMERG 0 /* system is unusable */
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#define LOG_ALERT 1 /* action must be taken immediately */
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#define LOG_CRIT 2 /* critical conditions */
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#define LOG_ERR 3 /* error conditions */
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#define LOG_WARNING 4 /* warning conditions */
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#define LOG_NOTICE 5 /* normal but significant condition */
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#define LOG_INFO 6 /* informational */
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#define LOG_DEBUG 7 /* debug-level messages */
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#endif
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#define GF_LOG_FORMAT_NO_MSG_ID "no-msg-id"
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#define GF_LOG_FORMAT_WITH_MSG_ID "with-msg-id"
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#define GF_LOGGER_GLUSTER_LOG "gluster-log"
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#define GF_LOGGER_SYSLOG "syslog"
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typedef enum {
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GF_LOG_NONE,
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GF_LOG_EMERG,
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GF_LOG_ALERT,
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GF_LOG_CRITICAL, /* fatal errors */
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GF_LOG_ERROR, /* major failures (not necessarily fatal) */
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GF_LOG_WARNING, /* info about normal operation */
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GF_LOG_NOTICE,
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GF_LOG_INFO, /* Normal information */
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GF_LOG_DEBUG, /* internal errors */
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GF_LOG_TRACE, /* full trace of operation */
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} gf_loglevel_t;
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/* format for the logs */
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typedef enum {
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gf_logformat_traditional = 0, /* Format as in gluster 3.5 */
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gf_logformat_withmsgid, /* Format enhanced with MsgID, ident, errstr */
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gf_logformat_cee /* log enhanced format in cee */
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} gf_log_format_t;
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/* log infrastructure to log to */
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typedef enum {
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gf_logger_glusterlog = 0, /* locations and files as in gluster 3.5 */
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gf_logger_syslog /* log to (r)syslog, based on (r)syslog conf */
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/* NOTE: In the future journald, lumberjack, next new thing here */
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} gf_log_logger_t;
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#define DEFAULT_LOG_FILE_DIRECTORY DATADIR "/log/glusterfs"
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#define DEFAULT_QUOTA_CRAWL_LOG_DIRECTORY DATADIR "/log/glusterfs/quota_crawl"
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#define DEFAULT_LOG_LEVEL GF_LOG_INFO
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typedef struct gf_log_handle_ {
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pthread_mutex_t logfile_mutex;
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uint8_t logrotate;
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uint8_t cmd_history_logrotate;
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gf_loglevel_t loglevel;
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int gf_log_syslog;
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gf_loglevel_t sys_log_level;
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char *filename;
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FILE *logfile;
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FILE *gf_log_logfile;
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char *cmd_log_filename;
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FILE *cmdlogfile;
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gf_log_logger_t logger;
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gf_log_format_t logformat;
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char *ident;
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int log_control_file_found;
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struct list_head lru_queue;
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uint32_t lru_size;
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uint32_t lru_cur_size;
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uint32_t timeout;
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pthread_mutex_t log_buf_lock;
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struct _gf_timer *log_flush_timer;
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int localtime;
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} gf_log_handle_t;
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typedef struct log_buf_ {
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char *msg;
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uint64_t msg_id;
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int errnum;
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struct timeval oldest;
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struct timeval latest;
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char *domain;
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char *file;
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char *function;
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int32_t line;
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gf_loglevel_t level;
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int refcount;
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int graph_id;
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struct list_head msg_list;
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} log_buf_t;
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void
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gf_log_globals_init(void *ctx, gf_loglevel_t level);
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int
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gf_log_init(void *data, const char *filename, const char *ident);
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void
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gf_log_logrotate(int signum);
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void
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gf_log_cleanup(void);
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/* Internal interfaces to log messages with message IDs */
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int
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_gf_msg(const char *domain, const char *file, const char *function,
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int32_t line, gf_loglevel_t level, int errnum, int trace,
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uint64_t msgid, const char *fmt, ...)
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__attribute__((__format__(__printf__, 9, 10)));
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void
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_gf_msg_backtrace_nomem(gf_loglevel_t level, int stacksize);
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int
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_gf_msg_plain(gf_loglevel_t level, const char *fmt, ...)
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__attribute__((__format__(__printf__, 2, 3)));
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int
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_gf_msg_plain_nomem(gf_loglevel_t level, const char *msg);
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int
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_gf_msg_vplain(gf_loglevel_t level, const char *fmt, va_list ap);
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int
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_gf_msg_nomem(const char *domain, const char *file, const char *function,
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int line, gf_loglevel_t level, size_t size);
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int
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_gf_log(const char *domain, const char *file, const char *function,
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int32_t line, gf_loglevel_t level, const char *fmt, ...)
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__attribute__((__format__(__printf__, 6, 7)));
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int
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_gf_log_callingfn(const char *domain, const char *file, const char *function,
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int32_t line, gf_loglevel_t level, const char *fmt, ...)
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__attribute__((__format__(__printf__, 6, 7)));
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int
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_gf_log_eh(const char *function, const char *fmt, ...)
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__attribute__((__format__(__printf__, 2, 3)));
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/* treat GF_LOG_TRACE and GF_LOG_NONE as LOG_DEBUG and
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* other level as is */
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#define SET_LOG_PRIO(level, priority) \
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do { \
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if (GF_LOG_TRACE == (level) || GF_LOG_NONE == (level)) { \
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priority = LOG_DEBUG; \
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} else { \
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priority = (level)-1; \
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} \
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} while (0)
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/* extract just the file name from the path */
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#define GET_FILE_NAME_TO_LOG(file, basename) \
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do { \
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basename = strrchr((file), '/'); \
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if (basename) \
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basename++; \
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else \
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basename = (file); \
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} while (0)
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#define PRINT_SIZE_CHECK(ret, label, strsize) \
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do { \
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if (ret < 0) \
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goto label; \
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if ((strsize - ret) > 0) { \
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strsize -= ret; \
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} else { \
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ret = 0; \
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goto label; \
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} \
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} while (0)
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#define FMT_WARN(fmt...) \
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do { \
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if (0) \
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printf(fmt); \
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} while (0)
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/* Interface to log messages with message IDs */
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#define gf_msg(dom, level, errnum, msgid, fmt...) \
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do { \
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_gf_msg(dom, __FILE__, __FUNCTION__, __LINE__, level, errnum, 0, \
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msgid, ##fmt); \
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} while (0)
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/* no frills, no thrills, just a vanilla message, used to print the graph */
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#define gf_msg_plain(level, fmt...) \
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do { \
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_gf_msg_plain(level, ##fmt); \
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} while (0)
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#define gf_msg_plain_nomem(level, msg) \
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do { \
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_gf_msg_plain_nomem(level, msg); \
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} while (0)
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#define gf_msg_vplain(level, fmt, va) \
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do { \
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_gf_msg_vplain(level, fmt, va); \
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} while (0)
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#define gf_msg_backtrace_nomem(level, stacksize) \
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do { \
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_gf_msg_backtrace_nomem(level, stacksize); \
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} while (0)
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#define gf_msg_callingfn(dom, level, errnum, msgid, fmt...) \
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do { \
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_gf_msg(dom, __FILE__, __FUNCTION__, __LINE__, level, errnum, 1, \
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msgid, ##fmt); \
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} while (0)
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/* No malloc or calloc should be called in this function */
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#define gf_msg_nomem(dom, level, size) \
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do { \
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_gf_msg_nomem(dom, __FILE__, __FUNCTION__, __LINE__, level, size); \
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} while (0)
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/* Debug or trace messages do not need message IDs as these are more developer
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* related. Hence, the following abstractions are provided for the same */
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#define gf_msg_debug(dom, errnum, fmt...) \
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do { \
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_gf_msg(dom, __FILE__, __FUNCTION__, __LINE__, GF_LOG_DEBUG, errnum, \
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e080da |
0, 0, ##fmt); \
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} while (0)
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#define gf_msg_trace(dom, errnum, fmt...) \
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do { \
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_gf_msg(dom, __FILE__, __FUNCTION__, __LINE__, GF_LOG_TRACE, errnum, \
|
|
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0, 0, ##fmt); \
|
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} while (0)
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e080da |
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#define gf_log(dom, level, fmt...) \
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do { \
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FMT_WARN(fmt); \
|
|
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_gf_log(dom, __FILE__, __FUNCTION__, __LINE__, level, ##fmt); \
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} while (0)
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#define gf_log_eh(fmt...) \
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do { \
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FMT_WARN(fmt); \
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_gf_log_eh(__FUNCTION__, ##fmt); \
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} while (0)
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#define gf_log_callingfn(dom, level, fmt...) \
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do { \
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FMT_WARN(fmt); \
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_gf_log_callingfn(dom, __FILE__, __FUNCTION__, __LINE__, level, \
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##fmt); \
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} while (0)
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/* Log once in GF_UNIVERSAL_ANSWER times */
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#define GF_LOG_OCCASIONALLY(var, args...) \
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if (var++ == 0 || !((var - 1) % GF_UNIVERSAL_ANSWER)) { \
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gf_log(args); \
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}
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struct _glusterfs_ctx;
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void
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gf_log_disable_syslog(void);
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void
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gf_log_enable_syslog(void);
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gf_loglevel_t
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gf_log_get_loglevel(void);
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void
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gf_log_set_loglevel(struct _glusterfs_ctx *ctx, gf_loglevel_t level);
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int
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gf_log_get_localtime(void);
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void
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gf_log_set_localtime(int);
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void
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gf_log_flush(void);
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gf_loglevel_t
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gf_log_get_xl_loglevel(void *xl);
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void
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gf_log_set_xl_loglevel(void *xl, gf_loglevel_t level);
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int
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gf_cmd_log(const char *domain, const char *fmt, ...)
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__attribute__((__format__(__printf__, 2, 3)));
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int
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gf_cmd_log_init(const char *filename);
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void
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set_sys_log_level(gf_loglevel_t level);
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int
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gf_log_fini(void *data);
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void
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gf_log_set_logger(gf_log_logger_t logger);
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void
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gf_log_set_logformat(gf_log_format_t format);
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void
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gf_log_set_log_buf_size(uint32_t buf_size);
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void
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gf_log_set_log_flush_timeout(uint32_t timeout);
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void
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gf_log_flush_msgs(struct _glusterfs_ctx *ctx);
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e080da |
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int
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e080da |
gf_log_inject_timer_event(struct _glusterfs_ctx *ctx);
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e080da |
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void
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gf_log_disable_suppression_before_exit(struct _glusterfs_ctx *ctx);
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e080da |
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#define GF_DEBUG(xl, format, args...) \
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gf_log((xl)->name, GF_LOG_DEBUG, format, ##args)
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#define GF_INFO(xl, format, args...) \
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gf_log((xl)->name, GF_LOG_INFO, format, ##args)
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#define GF_WARNING(xl, format, args...) \
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gf_log((xl)->name, GF_LOG_WARNING, format, ##args)
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#define GF_ERROR(xl, format, args...) \
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gf_log((xl)->name, GF_LOG_ERROR, format, ##args)
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e080da |
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e080da |
int
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e080da |
_gf_slog(const char *domain, const char *file, const char *function, int line,
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e080da |
gf_loglevel_t level, const char *event, ...);
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e080da |
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e080da |
int
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e080da |
_gf_smsg(const char *domain, const char *file, const char *function,
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e080da |
int32_t line, gf_loglevel_t level, int errnum, int trace,
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e080da |
uint64_t msgid, const char *event, ...);
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e080da |
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e080da |
/* Interface to log messages with message IDs */
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e080da |
#define gf_smsg(dom, level, errnum, msgid, event...) \
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e080da |
do { \
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e080da |
_gf_smsg(dom, __FILE__, __FUNCTION__, __LINE__, level, errnum, 0, \
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|
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e080da |
msgid, ##event); \
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|
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e080da |
} while (0)
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|
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e080da |
|
|
Packit Service |
e080da |
#define gf_slog(dom, level, event...) \
|
|
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e080da |
do { \
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|
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e080da |
_gf_slog(dom, __FILE__, __FUNCTION__, __LINE__, level, ##event); \
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|
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e080da |
} while (0)
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e080da |
|
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e080da |
#endif /* __LOGGING_H__ */
|