diff options
Diffstat (limited to 'libglusterfs/src/logging.c')
| -rw-r--r-- | libglusterfs/src/logging.c | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/libglusterfs/src/logging.c b/libglusterfs/src/logging.c index a8e7b96a24c..9147f2782e9 100644 --- a/libglusterfs/src/logging.c +++ b/libglusterfs/src/logging.c @@ -35,6 +35,7 @@ #define GF_LOG_BACKTRACE_DEPTH 5 #define GF_LOG_BACKTRACE_SIZE 4096 #define GF_LOG_TIMESTR_SIZE 256 +#define GF_MAX_SLOG_PAIR_COUNT 100 #include "xlator.h" #include "logging.h" @@ -2468,3 +2469,146 @@ out: return ret; } + +int +_do_slog_format (const char *event, va_list inp, char **msg) { + va_list valist_tmp; + int i = 0; + int j = 0; + int k = 0; + int ret = 0; + char *fmt = NULL; + char *buffer = NULL; + int num_format_chars = 0; + char format_char = '%'; + char *tmp1 = NULL; + char *tmp2 = NULL; + + ret = gf_asprintf (&tmp2, "%s", event); + if (ret == -1) + goto out; + + /* Hardcoded value for max key value pairs, exits early */ + /* from loop if found NULL */ + for (i = 0; i < GF_MAX_SLOG_PAIR_COUNT; i++) { + fmt = va_arg (inp, char*); + if (fmt == NULL) { + break; + } + + /* Get number of times % is used in input for formating, */ + /* this count will be used to skip those many args from the */ + /* main list and will be used to format inner format */ + num_format_chars = 0; + for (k = 0; fmt[k] != '\0'; k++) { + /* If %% is used then that is escaped */ + if (fmt[k] == format_char && fmt[k+1] == format_char) { + k++; + } else if (fmt[k] == format_char) { + num_format_chars++; + } + } + + tmp1 = gf_strdup (tmp2); + if (!tmp1) { + ret = -1; + goto out; + } + + GF_FREE (tmp2); + tmp2 = NULL; + + if (num_format_chars > 0) { + /* Make separate valist and format the string */ + va_copy (valist_tmp, inp); + ret = gf_vasprintf (&buffer, fmt, valist_tmp); + if (ret < 0) { + va_end (valist_tmp); + goto out; + } + va_end (valist_tmp); + + for (j = 0; j < num_format_chars; j++) { + /* Skip the va_arg value since these values + are already used for internal formatting */ + (void) va_arg (inp, void*); + } + + ret = gf_asprintf (&tmp2, "%s\t%s", tmp1, buffer); + if (ret < 0) + goto out; + + GF_FREE (buffer); + buffer = NULL; + } else { + ret = gf_asprintf (&tmp2, "%s\t%s", tmp1, fmt); + if (ret < 0) + goto out; + } + + GF_FREE (tmp1); + tmp1 = NULL; + } + + *msg = gf_strdup (tmp2); + if (!msg) + ret = -1; + + out: + if (buffer) + GF_FREE (buffer); + + if (tmp1) + GF_FREE (tmp1); + + if (tmp2) + GF_FREE (tmp2); + + return ret; +} + +int +_gf_smsg (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 *event, ...) +{ + va_list valist; + char *msg = NULL; + int ret = 0; + + va_start (valist, event); + ret = _do_slog_format (event, valist, &msg); + if (ret == -1) + goto out; + + ret = _gf_msg (domain, file, function, line, level, errnum, trace, + msgid, "%s", msg); + + out: + va_end (valist); + if (msg) + GF_FREE (msg); + return ret; +} + +int +_gf_slog (const char *domain, const char *file, const char *function, int line, + gf_loglevel_t level, const char *event, ...) +{ + va_list valist; + char *msg = NULL; + int ret = 0; + + va_start (valist, event); + ret = _do_slog_format (event, valist, &msg); + if (ret == -1) + goto out; + + ret = _gf_log (domain, file, function, line, level, "%s", msg); + + out: + va_end (valist); + if (msg) + GF_FREE (msg); + return ret; +} |