// Copyright (c) 2020 Tigera, Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package inactive

// InactiveDataplane is a stubbed DataplaneDriver implementation that does nothing.
// It is used when this is not the active Felix instance to prevent Felix from modifying the data plane.
type InactiveDataplane struct {
}

func (i *InactiveDataplane) SendMessage(msg interface{}) error {
	// Do nothing.
	return nil
}

func (i *InactiveDataplane) RecvMessage() (msg interface{}, err error) {
	// Since this dataplane does nothing, we have no messages communicate.
	msgChan := make(chan struct{})
	return <-msgChan, nil
}