This is useful for when decorating log output for console or journal. Provide basic version in this patch.
Signed-off-by: Stephen Hemminger <step...@networkplumber.org> --- lib/log/log.c | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/lib/log/log.c b/lib/log/log.c index f597da2e39..acd4c320b6 100644 --- a/lib/log/log.c +++ b/lib/log/log.c @@ -26,16 +26,21 @@ struct rte_log_dynamic_type { uint32_t loglevel; }; +typedef int (*log_print_t)(FILE *f, uint32_t level, const char *fmt, va_list ap); +static int log_print(FILE *f, uint32_t level, const char *format, va_list ap); + /** The rte_log structure. */ static struct rte_logs { uint32_t type; /**< Bitfield with enabled logs. */ uint32_t level; /**< Log level. */ FILE *file; /**< Output file set by rte_openlog_stream, or NULL. */ + log_print_t print_func; size_t dynamic_types_len; struct rte_log_dynamic_type *dynamic_types; } rte_logs = { .type = UINT32_MAX, .level = RTE_LOG_DEBUG, + .print_func = log_print, }; struct rte_eal_opt_loglevel { @@ -78,6 +83,7 @@ rte_openlog_stream(FILE *f) fclose(rte_logs.file); rte_logs.file = f; + rte_logs.print_func = log_print; return 0; } @@ -484,7 +490,7 @@ rte_vlog(uint32_t level, uint32_t logtype, const char *format, va_list ap) RTE_PER_LCORE(log_cur_msg).loglevel = level; RTE_PER_LCORE(log_cur_msg).logtype = logtype; - ret = vfprintf(f, format, ap); + ret = (*rte_logs.print_func)(f, level, format, ap); fflush(f); return ret; } @@ -513,6 +519,15 @@ eal_log_syslog(const char *mode __rte_unused) return -1; } +/* default log print function */ +__rte_format_printf(3, 0) +static int +log_print(FILE *f, uint32_t level __rte_unused, + const char *format, va_list ap) +{ + return vfprintf(f, format, ap); +} + /* * Called by rte_eal_init */ -- 2.43.0