method removeSubscription

Source

void removeSubscription(ReqSubscribeController controller) {
  String path = controller.node.remotePath;
  if (subscriptions.containsKey(path)) {
    toRemove[subscriptions[path].sid] = subscriptions[path];
    prepareSending();
  } else if (subscriptionIds.containsKey(controller.sid)) {
    logger.severe(
        'unexpected remoteSubscription in the requester, sid: ${controller
            .sid}');
  }
}