Makes date/time formats configurable.

4 files changed, 54 insertions, 55 deletions

diff --git a/sysdep/unix/config.Y b/sysdep/unix/config.Y
index 46c5862..8c2b690 100644
--- a/sysdep/unix/config.Y
+++ b/sysdep/unix/config.Y
@@ -14,10 +14,12 @@ CF_HDR
 CF_DECLS
 
 CF_KEYWORDS(LOG, SYSLOG, ALL, DEBUG, TRACE, INFO, REMOTE, WARNING, ERROR, AUTH, FATAL, BUG, STDERR, SOFT)
+CF_KEYWORDS(TIMEFORMAT, ISO, SHORT, LONG, BASE)
 
 %type <i> log_mask log_mask_list log_cat
 %type <g> log_file
 %type <t> cfg_name
+%type <tf> timeformat_which
 
 CF_GRAMMAR
 
@@ -75,7 +77,24 @@ mrtdump_base:
    }
  ;
 
+CF_ADDTO(conf, timeformat_base)
 
+timeformat_which:
+   ROUTE { $$ = &new_config->tf_route; }
+ | PROTOCOL { $$ = &new_config->tf_proto; }
+ | BASE { $$ = &new_config->tf_base; }
+ | LOG { $$ = &new_config->tf_log; }
+
+timeformat_spec:
+   timeformat_which TEXT { *$1 = (struct timeformat){$2, NULL, 0}; }
+ | timeformat_which TEXT expr TEXT { *$1 = (struct timeformat){$2, $4, $3}; }
+ | timeformat_which ISO SHORT { *$1 = (struct timeformat){"%T", "%F", 20*3600}; }
+ | timeformat_which ISO LONG  { *$1 = (struct timeformat){"%F %T", NULL, 0}; }
+ ;
+
+timeformat_base:
+   TIMEFORMAT timeformat_spec ';'
+ ;
 
 /* Unix specific commands */
 
diff --git a/sysdep/unix/io.c b/sysdep/unix/io.c
index 39f29c5..296b6b3 100644
--- a/sysdep/unix/io.c
+++ b/sysdep/unix/io.c
@@ -410,23 +410,22 @@ tm_parse_date(char *x)
   return t;
 }
 
-/**
- * tm_format_date - convert date to textual representation
- * @x: destination buffer of size %TM_DATE_BUFFER_SIZE
- * @t: time
- *
- * This function formats the given relative time value @t to a textual
- * date representation (dd-mm-yyyy) in real time..
- */
-void
-tm_format_date(char *x, bird_clock_t t)
+static void
+tm_format_reltime(char *x, struct tm *tm, bird_clock_t delta)
 {
-  struct tm *tm;
+  static char *month_names[12] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
+				   "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
 
-  tm = localtime(&t);
-  bsprintf(x, "%02d-%02d-%04d", tm->tm_mday, tm->tm_mon+1, tm->tm_year+1900);
+  if (delta < 20*3600)
+    bsprintf(x, "%02d:%02d", tm->tm_hour, tm->tm_min);
+  else if (delta < 360*86400)
+    bsprintf(x, "%s%02d", month_names[tm->tm_mon], tm->tm_mday);
+  else
+    bsprintf(x, "%d", tm->tm_year+1900);
 }
 
+#include "conf/conf.h"
+
 /**
  * tm_format_datetime - convert date and time to textual representation
  * @x: destination buffer of size %TM_DATETIME_BUFFER_SIZE
@@ -436,39 +435,25 @@ tm_format_date(char *x, bird_clock_t t)
  * date/time representation (dd-mm-yyyy hh:mm:ss) in real time.
  */
 void
-tm_format_datetime(char *x, bird_clock_t t)
+tm_format_datetime(char *x, struct timeformat *fmt_spec, bird_clock_t t)
 {
+  const char *fmt_used;
   struct tm *tm;
   bird_clock_t delta = now - t;
   t = now_real - delta;
   tm = localtime(&t);
-  if (strftime(x, TM_DATETIME_BUFFER_SIZE, "%d-%m-%Y %H:%M:%S", tm) == TM_DATETIME_BUFFER_SIZE)
-    strcpy(x, "<too-long>");
-}
 
-/**
- * tm_format_reltime - convert date and time to relative textual representation
- * @x: destination buffer of size %TM_RELTIME_BUFFER_SIZE
- * @t: time
- *
- * This function formats the given relative time value @t to a short
- * textual representation in real time, relative to the current time.
- */
-void
-tm_format_reltime(char *x, bird_clock_t t)
-{
-  struct tm *tm;
-  static char *month_names[12] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
+  if (fmt_spec->fmt1 == NULL)
+    return tm_format_reltime(x, tm, delta);
 
-  bird_clock_t delta = now - t;
-  t = now_real - delta;
-  tm = localtime(&t);
-  if (delta < 20*3600)
-    bsprintf(x, "%02d:%02d", tm->tm_hour, tm->tm_min);
-  else if (delta < 360*86400)
-    bsprintf(x, "%s%02d", month_names[tm->tm_mon], tm->tm_mday);
+  if ((fmt_spec->limit == 0) || (delta < fmt_spec->limit))
+    fmt_used = fmt_spec->fmt1;
   else
-    bsprintf(x, "%d", tm->tm_year+1900);
+    fmt_used = fmt_spec->fmt2;
+
+  int rv = strftime(x, TM_DATETIME_BUFFER_SIZE, fmt_used, tm);
+  if (((rv == 0) && fmt_used[0]) || (rv == TM_DATETIME_BUFFER_SIZE))
+    strcpy(x, "<too-long>");
 }
 
 /**
diff --git a/sysdep/unix/log.c b/sysdep/unix/log.c
index dad0c5d..f227549 100644
--- a/sysdep/unix/log.c
+++ b/sysdep/unix/log.c
@@ -79,21 +79,13 @@ vlog(int class, char *msg, va_list args)
 	continue;
       if (l->fh)
 	{
-	  time_t now = time(NULL);
-	  struct tm *tm = localtime(&now);
-
 	  if (l->terminal_flag)
 	    fputs("bird: ", l->fh);
 	  else
 	    {
-	      fprintf(l->fh, "%02d-%02d-%04d %02d:%02d:%02d <%s> ",
-		       tm->tm_mday,
-		       tm->tm_mon+1,
-		       tm->tm_year+1900,
-		       tm->tm_hour,
-		       tm->tm_min,
-		       tm->tm_sec,
-		       class_names[class]);
+	      byte tbuf[TM_DATETIME_BUFFER_SIZE];
+	      tm_format_datetime(tbuf, &config->tf_log, now);
+	      fprintf(l->fh, "%s <%s> ", tbuf, class_names[class]);
 	    }
 	  fputs(buf, l->fh);
 	  fputc('\n', l->fh);
diff --git a/sysdep/unix/timer.h b/sysdep/unix/timer.h
index 761cb42..3ed6ff1 100644
--- a/sysdep/unix/timer.h
+++ b/sysdep/unix/timer.h
@@ -33,14 +33,17 @@ void tm_dump_all(void);
 extern bird_clock_t now; 		/* Relative, monotonic time in seconds */
 extern bird_clock_t now_real;		/* Time in seconds since fixed known epoch */
 
+struct timeformat {
+  char *fmt1, *fmt2;
+  bird_clock_t limit;
+};
+
 bird_clock_t tm_parse_date(char *);	/* Convert date to bird_clock_t */
 bird_clock_t tm_parse_datetime(char *);	/* Convert date to bird_clock_t */
-void tm_format_date(char *, bird_clock_t);	/* Convert bird_clock_t to date */
-#define TM_DATE_BUFFER_SIZE 12		/* Buffer size required by tm_format_date */
-void tm_format_datetime(char *, bird_clock_t);	/* Convert bird_clock_t to date + time */
-#define TM_DATETIME_BUFFER_SIZE 64	/* Buffer size required by tm_format_datetime */
-void tm_format_reltime(char *, bird_clock_t);	/* Convert bird_clock_t to relative datetime string */
-#define TM_RELTIME_BUFFER_SIZE 12	/* Buffer size required by tm_format_reltime */
+
+#define TM_DATETIME_BUFFER_SIZE 32	/* Buffer size required by tm_format_datetime */
+void
+tm_format_datetime(char *x, struct timeformat *fmt_spec, bird_clock_t t);
 
 #ifdef TIME_T_IS_64BIT
 #define TIME_INFINITY 0x7fffffffffffffff