Example #1
0
// NewPinger returns an object that can be pinged by calling its Ping method.
// If this method is not called frequently enough, the connection will be
// dropped.
func NewPinger(
	st *state.State, resources *common.Resources, authorizer common.Authorizer,
) (
	pinger, error,
) {
	pingTimeout, ok := resources.Get("pingTimeout").(*pingTimeout)
	if !ok {
		return nullPinger{}, nil
	}
	return pingTimeout, nil
}
Example #2
0
func newNotifyWatcher(st *state.State, resources *common.Resources, auth common.Authorizer, id string) (interface{}, error) {
	if !isAgent(auth) {
		return nil, common.ErrPerm
	}
	watcher, ok := resources.Get(id).(state.NotifyWatcher)
	if !ok {
		return nil, common.ErrUnknownWatcher
	}
	return &srvNotifyWatcher{
		watcher:   watcher,
		id:        id,
		resources: resources,
	}, nil
}
Example #3
0
func newClientAllWatcher(st *state.State, resources *common.Resources, auth common.Authorizer, id string) (interface{}, error) {
	if !auth.AuthClient() {
		return nil, common.ErrPerm
	}
	watcher, ok := resources.Get(id).(*multiwatcher.Watcher)
	if !ok {
		return nil, common.ErrUnknownWatcher
	}
	return &srvClientAllWatcher{
		watcher:   watcher,
		id:        id,
		resources: resources,
	}, nil
}