lib: timer: move the timer string api to lib

This api was earlier present in the daemon code but as multiple daemons
need it moving it to lib will avoid unnecessary copy-paste.

Signed-off-by: Anuradha Karuppiah <anuradhak@cumulusnetworks.com>

2 files changed, 34 insertions, 0 deletions

diff --git a/lib/thread.c b/lib/thread.c
index 5c7c104842..1df4eee25c 100644
--- a/lib/thread.c
+++ b/lib/thread.c
@@ -634,6 +634,36 @@ struct timeval thread_timer_remain(struct thread *thread)
 	return remain;
 }
 
+static int time_hhmmss(char *buf, int buf_size, long sec)
+{
+	long hh;
+	long mm;
+	int wr;
+
+	zassert(buf_size >= 8);
+
+	hh = sec / 3600;
+	sec %= 3600;
+	mm = sec / 60;
+	sec %= 60;
+
+	wr = snprintf(buf, buf_size, "%02ld:%02ld:%02ld", hh, mm, sec);
+
+	return wr != 8;
+}
+
+char *thread_timer_to_hhmmss(char *buf, int buf_size,
+		struct thread *t_timer)
+{
+	if (t_timer) {
+		time_hhmmss(buf, buf_size,
+				thread_timer_remain_second(t_timer));
+	} else {
+		snprintf(buf, buf_size, "--:--:--");
+	}
+	return buf;
+}
+
 /* Get new thread.  */
 static struct thread *thread_get(struct thread_master *m, uint8_t type,
 				 int (*func)(struct thread *), void *arg,
diff --git a/lib/thread.h b/lib/thread.h
index 412a4d93bf..c22b2105cd 100644
--- a/lib/thread.h
+++ b/lib/thread.h
@@ -140,6 +140,8 @@ struct cpu_thread_history {
 /* Thread yield time.  */
 #define THREAD_YIELD_TIME_SLOT     10 * 1000L /* 10ms */
 
+#define THREAD_TIMER_STRLEN 12
+
 /* Macros. */
 #define THREAD_ARG(X) ((X)->arg)
 #define THREAD_FD(X)  ((X)->u.fd)
@@ -228,6 +230,8 @@ extern unsigned long thread_consumed_time(RUSAGE_T *after, RUSAGE_T *before,
 
 /* only for use in logging functions! */
 extern pthread_key_t thread_current;
+extern char *thread_timer_to_hhmmss(char *buf, int buf_size,
+		struct thread *t_timer);
 
 #ifdef __cplusplus
 }