diff options
Diffstat (limited to 'libglusterfs/src/logging.c')
| -rw-r--r-- | libglusterfs/src/logging.c | 173 |
1 files changed, 148 insertions, 25 deletions
diff --git a/libglusterfs/src/logging.c b/libglusterfs/src/logging.c index ed024840a..4c6bc2ed7 100644 --- a/libglusterfs/src/logging.c +++ b/libglusterfs/src/logging.c @@ -48,8 +48,8 @@ static pthread_mutex_t logfile_mutex; static char *filename = NULL; static uint8_t logrotate = 0; static FILE *logfile = NULL; -static gf_loglevel_t loglevel = GF_LOG_MAX; -static int gf_log_syslog = 0; +static gf_loglevel_t loglevel = GF_LOG_INFO; +static int gf_log_syslog = 1; char gf_log_xl_log_set; gf_loglevel_t gf_log_loglevel; /* extern'd */ @@ -115,6 +115,18 @@ gf_log_fini (void) } +void +gf_log_globals_init (void) +{ + pthread_mutex_init (&logfile_mutex, NULL); + +#ifdef GF_LINUX_HOST_OS + /* For the 'syslog' output. one can grep 'GlusterFS' in syslog + for serious logs */ + openlog ("GlusterFS", LOG_PID, LOG_DAEMON); +#endif +} + int gf_log_init (const char *file) { @@ -123,8 +135,6 @@ gf_log_init (const char *file) return -1; } - pthread_mutex_init (&logfile_mutex, NULL); - filename = gf_strdup (file); if (!filename) { fprintf (stderr, "gf_log_init: strdup error\n"); @@ -140,12 +150,6 @@ gf_log_init (const char *file) return -1; } -#ifdef GF_LINUX_HOST_OS - /* For the 'syslog' output. one can grep 'GlusterFS' in syslog - for serious logs */ - openlog ("GlusterFS", LOG_PID, LOG_DAEMON); -#endif - gf_log_logfile = logfile; return 0; @@ -170,8 +174,6 @@ struct _log_msg { }; - - void gf_log_lock (void) { @@ -193,6 +195,123 @@ gf_log_cleanup (void) } int +_gf_log_nomem (const char *domain, const char *file, + const char *function, int line, gf_loglevel_t level, + size_t size) +{ + const char *basename = NULL; + struct tm *tm = NULL; + xlator_t *this = NULL; + struct timeval tv = {0,}; + int ret = 0; + gf_loglevel_t xlator_loglevel = 0; + char msg[8092]; + char timestr[256]; + char callstr[4096]; + + this = THIS; + + xlator_loglevel = this->loglevel; + if (xlator_loglevel == 0) + xlator_loglevel = loglevel; + + if (level > xlator_loglevel) + goto out; + + static char *level_strings[] = {"", /* NONE */ + "M", /* EMERGENCY */ + "A", /* ALERT */ + "C", /* CRITICAL */ + "E", /* ERROR */ + "W", /* WARNING */ + "N", /* NOTICE */ + "I", /* INFO/NORMAL */ + "D", /* DEBUG */ + "T", /* TRACE */ + ""}; + + if (!domain || !file || !function) { + fprintf (stderr, + "logging: %s:%s():%d: invalid argument\n", + __FILE__, __PRETTY_FUNCTION__, __LINE__); + return -1; + } + +#if HAVE_BACKTRACE + /* Print 'calling function' */ + do { + void *array[5]; + char **callingfn = NULL; + size_t bt_size = 0; + + bt_size = backtrace (array, 5); + if (bt_size) + callingfn = backtrace_symbols (&array[2], bt_size-2); + if (!callingfn) + break; + + if (bt_size == 5) + snprintf (callstr, 4096, "(-->%s (-->%s (-->%s)))", + callingfn[2], callingfn[1], callingfn[0]); + if (bt_size == 4) + snprintf (callstr, 4096, "(-->%s (-->%s))", + callingfn[1], callingfn[0]); + if (bt_size == 3) + snprintf (callstr, 4096, "(-->%s)", callingfn[0]); + + free (callingfn); + } while (0); +#endif /* HAVE_BACKTRACE */ + + ret = gettimeofday (&tv, NULL); + if (-1 == ret) + goto out; + + tm = localtime (&tv.tv_sec); + + pthread_mutex_lock (&logfile_mutex); + { + strftime (timestr, 256, "%Y-%m-%d %H:%M:%S", tm); + snprintf (timestr + strlen (timestr), 256 - strlen (timestr), + ".%"GF_PRI_SUSECONDS, tv.tv_usec); + + basename = strrchr (file, '/'); + if (basename) + basename++; + else + basename = file; + + ret = sprintf (msg, "[%s] %s [%s:%d:%s] %s %s: no memory " + "available for size (%"GF_PRI_SIZET")", + timestr, level_strings[level], + basename, line, function, callstr, + domain, size); + if (-1 == ret) { + goto unlock; + } + + if (logfile) { + fprintf (logfile, "%s\n", msg); + fflush (logfile); + } else { + fprintf (stderr, "%s\n", msg); + } + +#ifdef GF_LINUX_HOST_OS + /* We want only serious log in 'syslog', not our debug + and trace logs */ + if (gf_log_syslog && level && (level <= GF_LOG_ERROR)) + syslog ((level-1), "%s\n", msg); +#endif + } + +unlock: + pthread_mutex_unlock (&logfile_mutex); +out: + return ret; + } + +int _gf_log_callingfn (const char *domain, const char *file, const char *function, int line, gf_loglevel_t level, const char *fmt, ...) { @@ -210,9 +329,6 @@ _gf_log_callingfn (const char *domain, const char *file, const char *function, gf_loglevel_t xlator_loglevel = 0; va_list ap; - if (!logfile) - return -1; - this = THIS; xlator_loglevel = this->loglevel; @@ -308,13 +424,17 @@ _gf_log_callingfn (const char *domain, const char *file, const char *function, strcpy (msg, str1); strcpy (msg + len, str2); - fprintf (logfile, "%s\n", msg); - fflush (logfile); + if (logfile) { + fprintf (logfile, "%s\n", msg); + fflush (logfile); + } else { + fprintf (stderr, "%s\n", msg); + } #ifdef GF_LINUX_HOST_OS /* We want only serious log in 'syslog', not our debug and trace logs */ - if (gf_log_syslog && level && (level <= GF_LOG_ERROR)) + if (gf_log_syslog && level && (level <= GF_LOG_CRITICAL)) syslog ((level-1), "%s\n", msg); #endif } @@ -355,9 +475,6 @@ _gf_log (const char *domain, const char *file, const char *function, int line, xlator_t *this = NULL; gf_loglevel_t xlator_loglevel = 0; - if (!logfile) - return -1; - this = THIS; xlator_loglevel = this->loglevel; @@ -398,7 +515,9 @@ _gf_log (const char *domain, const char *file, const char *function, int line, goto log; } - fclose (logfile); + if (logfile) + fclose (logfile); + gf_log_logfile = logfile = new_logfile; } @@ -444,13 +563,17 @@ log: strcpy (msg, str1); strcpy (msg + len, str2); - fprintf (logfile, "%s\n", msg); - fflush (logfile); + if (logfile) { + fprintf (logfile, "%s\n", msg); + fflush (logfile); + } else { + fprintf (stderr, "%s\n", msg); + } #ifdef GF_LINUX_HOST_OS /* We want only serious log in 'syslog', not our debug and trace logs */ - if (gf_log_syslog && level && (level <= GF_LOG_ERROR)) + if (gf_log_syslog && level && (level <= GF_LOG_CRITICAL)) syslog ((level-1), "%s\n", msg); #endif } |