1 files changed, 164 insertions, 0 deletions
diff --git a/pimd/pim_time.c b/pimd/pim_time.c
new file mode 100644
index 0000000..205945e
--- /dev/null
+++ b/pimd/pim_time.c
@@ -0,0 +1,164 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * PIM for Quagga
+ * Copyright (C) 2008  Everton da Silva Marques
+ */
+
+#include <zebra.h>
+
+#include <string.h>
+#include <sys/time.h>
+#include <time.h>
+
+#include "log.h"
+#include "frrevent.h"
+#include "lib_errors.h"
+
+#include "pim_time.h"
+
+static int gettime_monotonic(struct timeval *tv)
+{
+	int result;
+
+	result = gettimeofday(tv, 0);
+	if (result) {
+		flog_err_sys(EC_LIB_SYSTEM_CALL,
+			     "%s: gettimeofday() failure: errno=%d: %s",
+			     __func__, errno, safe_strerror(errno));
+	}
+
+	return result;
+}
+
+/*
+  pim_time_monotonic_sec():
+  number of seconds since some unspecified starting point
+*/
+int64_t pim_time_monotonic_sec(void)
+{
+	struct timeval now_tv;
+
+	if (gettime_monotonic(&now_tv)) {
+		flog_err_sys(EC_LIB_SYSTEM_CALL,
+			     "%s: gettime_monotonic() failure: errno=%d: %s",
+			     __func__, errno, safe_strerror(errno));
+		return -1;
+	}
+
+	return now_tv.tv_sec;
+}
+
+/*
+  pim_time_monotonic_dsec():
+  number of deciseconds since some unspecified starting point
+*/
+int64_t pim_time_monotonic_dsec(void)
+{
+	struct timeval now_tv;
+	int64_t now_dsec;
+
+	if (gettime_monotonic(&now_tv)) {
+		flog_err_sys(EC_LIB_SYSTEM_CALL,
+			     "%s: gettime_monotonic() failure: errno=%d: %s",
+			     __func__, errno, safe_strerror(errno));
+		return -1;
+	}
+
+	now_dsec = ((int64_t)now_tv.tv_sec) * 10
+		   + ((int64_t)now_tv.tv_usec) / 100000;
+
+	return now_dsec;
+}
+
+int64_t pim_time_monotonic_usec(void)
+{
+	struct timeval now_tv;
+	int64_t now_dsec;
+
+	if (gettime_monotonic(&now_tv)) {
+		flog_err_sys(EC_LIB_SYSTEM_CALL,
+			     "%s: gettime_monotonic() failure: errno=%d: %s",
+			     __func__, errno, safe_strerror(errno));
+		return -1;
+	}
+
+	now_dsec =
+		((int64_t)now_tv.tv_sec) * 1000000 + ((int64_t)now_tv.tv_usec);
+
+	return now_dsec;
+}
+
+int pim_time_mmss(char *buf, int buf_size, long sec)
+{
+	long mm;
+	int wr;
+
+	assert(buf_size >= 5);
+
+	mm = sec / 60;
+	sec %= 60;
+
+	wr = snprintf(buf, buf_size, "%02ld:%02ld", mm, sec);
+
+	return wr != 8;
+}
+
+static int pim_time_hhmmss(char *buf, int buf_size, long sec)
+{
+	long hh;
+	long mm;
+	int wr;
+
+	assert(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;
+}
+
+void pim_time_timer_to_mmss(char *buf, int buf_size, struct event *t_timer)
+{
+	if (t_timer) {
+		pim_time_mmss(buf, buf_size,
+			      event_timer_remain_second(t_timer));
+	} else {
+		snprintf(buf, buf_size, "--:--");
+	}
+}
+
+void pim_time_timer_to_hhmmss(char *buf, int buf_size, struct event *t_timer)
+{
+	if (t_timer) {
+		pim_time_hhmmss(buf, buf_size,
+				event_timer_remain_second(t_timer));
+	} else {
+		snprintf(buf, buf_size, "--:--:--");
+	}
+}
+
+void pim_time_uptime(char *buf, int buf_size, int64_t uptime_sec)
+{
+	assert(buf_size >= 8);
+
+	pim_time_hhmmss(buf, buf_size, uptime_sec);
+}
+
+void pim_time_uptime_begin(char *buf, int buf_size, int64_t now, int64_t begin)
+{
+	if (begin > 0)
+		pim_time_uptime(buf, buf_size, now - begin);
+	else
+		snprintf(buf, buf_size, "--:--:--");
+}
+
+long pim_time_timer_remain_msec(struct event *t_timer)
+{
+	/* no timer thread running means timer has expired: return 0 */
+
+	return t_timer ? event_timer_remain_msec(t_timer) : 0;
+}