Timers: Parse and format functions for microsecond times

Date/time output (e.g. in logs, show commands) can use %f to specify
subsecond time. By default, millisecond precision is used in output.

4 files changed, 3 insertions, 134 deletions

diff --git a/sysdep/unix/config.Y b/sysdep/unix/config.Y
index ebadd454..ccca4a62 100644
--- a/sysdep/unix/config.Y
+++ b/sysdep/unix/config.Y
@@ -14,8 +14,7 @@ CF_HDR
 CF_DECLS
 
 CF_KEYWORDS(LOG, SYSLOG, ALL, DEBUG, TRACE, INFO, REMOTE, WARNING, ERROR, AUTH, FATAL, BUG, STDERR, SOFT)
-CF_KEYWORDS(TIMEFORMAT, ISO, OLD, SHORT, LONG, BASE, NAME, CONFIRM, UNDO, CHECK, TIMEOUT)
-CF_KEYWORDS(DEBUG, LATENCY, LIMIT, WATCHDOG, WARNING, TIMEOUT)
+CF_KEYWORDS(NAME, CONFIRM, UNDO, CHECK, TIMEOUT, DEBUG, LATENCY, LIMIT, WATCHDOG, WARNING)
 
 %type <i> log_mask log_mask_list log_cat cfg_timeout
 %type <g> log_file
@@ -85,29 +84,6 @@ 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_which OLD SHORT { *$1 = (struct timeformat){NULL, NULL, 0}; }
- | timeformat_which OLD LONG  { *$1 = (struct timeformat){"%d-%m-%Y %T", NULL, 0}; }
- ;
-
-timeformat_base:
-   TIMEFORMAT timeformat_spec ';'
- ;
-
-
 CF_ADDTO(conf, debug_unix)
 
 debug_unix:
diff --git a/sysdep/unix/io.c b/sysdep/unix/io.c
index d3506d75..99f52aa9 100644
--- a/sysdep/unix/io.c
+++ b/sysdep/unix/io.c
@@ -40,6 +40,7 @@
 #include "lib/timer.h"
 #include "lib/string.h"
 #include "nest/iface.h"
+#include "conf/conf.h"
 
 #include "sysdep/unix/unix.h"
 #include CONFIG_INCLUDE_SYSIO_H
@@ -385,102 +386,6 @@ tm_shot(void)
 }
 #endif
 
-/**
- * tm_parse_datetime - parse a date and time
- * @x: datetime string
- *
- * tm_parse_datetime() takes a textual representation of
- * a date and time (dd-mm-yyyy hh:mm:ss)
- * and converts it to the corresponding value of type &bird_clock_t.
- */
-bird_clock_t
-tm_parse_datetime(char *x)
-{
-  struct tm tm;
-  int n;
-  time_t t;
-
-  if (sscanf(x, "%d-%d-%d %d:%d:%d%n", &tm.tm_mday, &tm.tm_mon, &tm.tm_year, &tm.tm_hour, &tm.tm_min, &tm.tm_sec, &n) != 6 || x[n])
-    return tm_parse_date(x);
-  tm.tm_mon--;
-  tm.tm_year -= 1900;
-  t = mktime(&tm);
-  if (t == (time_t) -1)
-    return 0;
-  return t;
-}
-/**
- * tm_parse_date - parse a date
- * @x: date string
- *
- * tm_parse_date() takes a textual representation of a date (dd-mm-yyyy)
- * and converts it to the corresponding value of type &bird_clock_t.
- */
-bird_clock_t
-tm_parse_date(char *x)
-{
-  struct tm tm;
-  int n;
-  time_t t;
-
-  if (sscanf(x, "%d-%d-%d%n", &tm.tm_mday, &tm.tm_mon, &tm.tm_year, &n) != 3 || x[n])
-    return 0;
-  tm.tm_mon--;
-  tm.tm_year -= 1900;
-  tm.tm_hour = tm.tm_min = tm.tm_sec = 0;
-  t = mktime(&tm);
-  if (t == (time_t) -1)
-    return 0;
-  return t;
-}
-
-static void
-tm_format_reltime(char *x, struct tm *tm, bird_clock_t delta)
-{
-  static char *month_names[12] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
-				   "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
-
-  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
- * @fmt_spec: specification of resulting textual representation of the time
- * @t: time
- *
- * This function formats the given relative time value @t to a textual
- * date/time representation (dd-mm-yyyy hh:mm:ss) in real time.
- */
-void
-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 (fmt_spec->fmt1 == NULL)
-    return tm_format_reltime(x, tm, delta);
-
-  if ((fmt_spec->limit == 0) || (delta < fmt_spec->limit))
-    fmt_used = fmt_spec->fmt1;
-  else
-    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>");
-}
-
 
 /*
  *	Time clock
diff --git a/sysdep/unix/log.c b/sysdep/unix/log.c
index 06d3b09e..e564f8f2 100644
--- a/sysdep/unix/log.c
+++ b/sysdep/unix/log.c
@@ -120,7 +120,7 @@ log_commit(int class, buffer *buf)
 	  else
 	    {
 	      byte tbuf[TM_DATETIME_BUFFER_SIZE];
-	      tm_format_datetime(tbuf, &config->tf_log, now);
+	      tm_format_real_time(tbuf, config->tf_log.fmt1, current_real_time());
 	      fprintf(l->fh, "%s <%s> ", tbuf, class_names[class]);
 	    }
 	  fputs(buf->start, l->fh);
diff --git a/sysdep/unix/timer.h b/sysdep/unix/timer.h
index 1c4f6e3b..495d10c7 100644
--- a/sysdep/unix/timer.h
+++ b/sysdep/unix/timer.h
@@ -45,18 +45,6 @@ static inline timer * tm_new_set(pool *p, void (*hook)(timer *), void *data, uin
 { return tm2_new_init(p, hook, data, rec S_, rand S_); }
 
 
-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 */
-
-#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);
-
 #define TIME_INFINITY ((s64) 0x7fffffffffffffff)