Bridges now obey MQTT v5 server-keepalive.

ChangeLog.txt

@@ -96,6 +96,7 @@ Broker:
 - Report an error if the config file is set to a directory. Closes #1814.
 - Fix bridges incorrectly setting Wills to manage remote notifications when
   `notifications_local_only` was set true. Closes #1902.
+- Bridges now obey MQTT v5 server-keepalive.
 
 Client library:
 - Client no longer generates random client ids for v3.1.1 clients, these are

src/handle_connack.c

@@ -34,6 +34,7 @@ int handle__connack(struct mosquitto *context)
 	mosquitto_property *properties = NULL;
 	uint32_t maximum_packet_size;
 	uint8_t retain_available;
+	uint16_t server_keepalive;
 
 	if(!context){
 		return MOSQ_ERR_INVAL;
@@ -77,6 +78,13 @@ int handle__connack(struct mosquitto *context)
 			}
 		}
 
+		/* server-keepalive */
+		if(mosquitto_property_read_int16(properties, MQTT_PROP_SERVER_KEEP_ALIVE,
+					&server_keepalive, false)){
+
+			context->keepalive = server_keepalive;
+		}
+
 		mosquitto_property_free_all(&properties);
 	}
 	mosquitto_property_free_all(&properties); /* FIXME - TEMPORARY UNTIL PROPERTIES PROCESSED */