diff options
Diffstat (limited to 'libglusterfs/src/logging.c')
| -rw-r--r-- | libglusterfs/src/logging.c | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/libglusterfs/src/logging.c b/libglusterfs/src/logging.c index 4493b05c7cd..4287fe874ff 100644 --- a/libglusterfs/src/logging.c +++ b/libglusterfs/src/logging.c @@ -39,6 +39,10 @@ #include <syslog.h> #endif +#ifdef HAVE_BACKTRACE +#include <execinfo.h> +#endif + static pthread_mutex_t logfile_mutex; static char *filename = NULL; @@ -188,6 +192,142 @@ gf_log_cleanup (void) pthread_mutex_destroy (&logfile_mutex); } +int +_gf_log_callingfn (const char *domain, const char *file, const char *function, + int line, gf_loglevel_t level, const char *fmt, ...) +{ + const char *basename = NULL; + struct tm *tm = NULL; + xlator_t *this = NULL; + char *str1 = NULL; + char *str2 = NULL; + char *msg = NULL; + char timestr[256] = {0,}; + char callstr[1024] = {0,}; + struct timeval tv = {0,}; + size_t len = 0; + int ret = 0; + gf_loglevel_t xlator_loglevel = 0; + va_list ap; + + if (!logfile) + return -1; + + 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 || !fmt) { + 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 size = 0; + + size = backtrace (array, 5); + if (size) + callingfn = backtrace_symbols (&array[2], size-2); + if (!callingfn) + break; + + snprintf (callstr, 1024, "(-->%s (-->%s (-->%s)))", callingfn[2], + callingfn[1], 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); + { + va_start (ap, fmt); + + 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 = gf_asprintf (&str1, "[%s] %s [%s:%d:%s] %s %s: ", + timestr, level_strings[level], + basename, line, function, callstr, + domain); + if (-1 == ret) { + goto unlock; + } + + ret = vasprintf (&str2, fmt, ap); + if (-1 == ret) { + goto unlock; + } + + va_end (ap); + + len = strlen (str1); + msg = GF_MALLOC (len + strlen (str2) + 1, gf_common_mt_char); + + strcpy (msg, str1); + strcpy (msg + len, str2); + + fprintf (logfile, "%s\n", msg); + fflush (logfile); + +#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); + + if (msg) { + GF_FREE (msg); + } + + if (str1) + GF_FREE (str1); + + if (str2) + FREE (str2); + +out: + return ret; +} int _gf_log (const char *domain, const char *file, const char *function, int line, |