From 7ab1b2a97ab43ef58905801572e86b1bbb517973 Mon Sep 17 00:00:00 2001 From: Stefano Brivio Date: Fri, 21 May 2021 11:22:09 +0200 Subject: util: On -DDEBUG, log to stderr with timestamps Signed-off-by: Stefano Brivio --- passt.c | 2 +- util.c | 26 ++++++++++++++++++++++++++ 2 files changed, 27 insertions(+), 1 deletion(-) diff --git a/passt.c b/passt.c index 3637e48..2f538e4 100644 --- a/passt.c +++ b/passt.c @@ -795,7 +795,7 @@ int main(int argc, char **argv) } #if DEBUG - openlog("passt", LOG_PERROR, LOG_DAEMON); + openlog("passt", 0, LOG_DAEMON); #else openlog("passt", isatty(fileno(stdout)) ? 0 : LOG_PERROR, LOG_DAEMON); #endif diff --git a/util.c b/util.c index bcec7be..59a0cb2 100644 --- a/util.c +++ b/util.c @@ -22,18 +22,44 @@ #include #include #include +#include +#include #include "passt.h" #include "util.h" +#ifdef DEBUG #define logfn(name, level) \ void name(const char *format, ...) { \ + char ts[sizeof("Mmm dd hh:mm:ss.")]; \ + struct timespec tp; \ + struct tm *tm; \ va_list args; \ \ + clock_gettime(CLOCK_REALTIME, &tp); \ + tm = gmtime(&tp.tv_sec); \ + strftime(ts, sizeof(ts), "%b %d %T.", tm); \ + \ + fprintf(stderr, "%s%04lu: ", ts, tp.tv_nsec / (1000 * 1000)); \ va_start(args, format); \ vsyslog(level, format, args); \ va_end(args); \ + va_start(args, format); \ + vfprintf(stderr, format, args); \ + va_end(args); \ + if (format[strlen(format)] != '\n') \ + fprintf(stderr, "\n"); \ } +#else +#define logfn(name, level) \ +void name(const char *format, ...) { \ + va_list args; \ + \ + va_start(args, format); \ + vsyslog(level, format, args); \ + va_end(args); \ +} +#endif logfn(err, LOG_ERR) logfn(warn, LOG_WARNING) -- cgit v1.2.3