status: add uptime and established times

src/fastd.c

@@ -478,6 +478,9 @@ static inline void init(int argc, char *argv[]) {
 
 	pr_info("fastd " FASTD_VERSION " starting");
 
+	fastd_update_time();
+	ctx.started = ctx.now;
+
 	fastd_cap_init();
 
 	init_sockets();

src/fastd.h

@@ -257,6 +257,8 @@ struct fastd_context {
 
 	char *ifname;				/**< The actual interface name */
 
+	int64_t started;			/**< The timestamp when fastd was started */
+
 	int64_t now;				/**< The current monotonous timestamp in microseconds after an arbitrary point in time */
 
 	uint64_t next_peer_id;			/**< An monotonously increasing ID peers are identified with in some components */

src/peer.c

@@ -843,6 +843,7 @@ void fastd_peer_set_established(fastd_peer_t *peer) {
 		return;
 
 	peer->state = STATE_ESTABLISHED;
+	peer->established = ctx.now;
 	on_establish(peer);
 	pr_info("connection with %P established.", peer);
 }

src/peer.h

@@ -89,6 +89,7 @@ struct fastd_peer {
 	fastd_timeout_t last_handshake_response_timeout; /**< All handshakes from last_handshake_address will be ignored until this timeout has occured */
 	fastd_peer_address_t last_handshake_response_address; /**< The address the last handshake was received from */
 
+	int64_t established;				/**< The time this peer connection has been established */
 	fastd_timeout_t establish_handshake_timeout;	/**< A timeout during which all handshakes for this peer will be ignored after a new connection has been established */
 
 	const char *config_source_dir;			/**< The directory this peer's configuration was loaded from */

src/status.c

@@ -115,6 +115,8 @@ static json_object * dump_peer(const fastd_peer_t *peer) {
 	if (fastd_peer_is_established(peer)) {
 		connection = json_object_new_object();
 
+		json_object_object_add(connection, "established", json_object_new_int64(ctx.now - peer->established));
+
 		struct json_object *method = NULL;
 
 		const fastd_method_info_t *method_info = conf.protocol->get_current_method(peer);
@@ -158,6 +160,8 @@ static json_object * dump_peer(const fastd_peer_t *peer) {
 static void dump_status(int fd) {
 	struct json_object *json = json_object_new_object();
 
+	json_object_object_add(json, "uptime", json_object_new_int64(ctx.now - ctx.started));
+
 	json_object_object_add(json, "statistics", dump_stats(&ctx.stats));
 
 	struct json_object *peers = json_object_new_object();