opclass use timestamp_* util functions

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@iopsys.eu>

src/cntlr.c

@@ -1200,13 +1200,10 @@ void cntlr_radio_cur_opclass_dump(struct netif_radio *radio)
 
 static bool cntlr_radio_opclass_expired(struct netif_radio *radio)
 {
-	time_t age;
-
 	if (!radio->opclass.entry_num)
 		return true;
 
-	age = time(NULL) - radio->opclass.entry_time;
-	if (((unsigned int) age) > 120)
+	if (timestamp_expired(&radio->opclass.entry_time, 120000))
 		return true;
 
 	return false;

src/cntlr_ubus.c

@@ -438,7 +438,7 @@ static void cntlr_status_add_opclass(struct blob_buf *bb, struct opclass *opclas
 
 	/* Add age */
 	snprintf(age, sizeof(age), "%s_age", name);
-	blobmsg_add_u32(bb, age, (uint32_t) (time(NULL) - opclass->entry_time));
+	blobmsg_add_u32(bb, age, timestamp_elapsed_sec(&opclass->entry_time));
 
 	a = blobmsg_open_array(bb, name);
 	for (j = 0; j < opclass->entry_num; j++) {

src/utils/opclass.c

@@ -34,7 +34,7 @@ struct opclass_entry *opclass_new_entry(struct opclass *opclass)
 
 	entry = &opclass->entry[opclass->entry_num];
 	opclass->entry_num++;
-	opclass->entry_time = time(NULL);
+	timestamp_update(&opclass->entry_time);
 
 	return entry;
 }

src/utils/opclass.h

@@ -28,7 +28,7 @@ struct opclass_entry {
 };
 
 struct opclass {
-	time_t entry_time;
+	struct timespec entry_time;
 
 	int entry_num;
 	struct opclass_entry entry[64];