// Copyright 2019 The gVisor Authors.
//
// 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 tcp

import (
	"time"
)

// saveLastRcvdAckTime is invoked by stateify.
func (r *receiver) saveLastRcvdAckTime() unixTime {
	return unixTime{r.lastRcvdAckTime.Unix(), r.lastRcvdAckTime.UnixNano()}
}

// loadLastRcvdAckTime is invoked by stateify.
func (r *receiver) loadLastRcvdAckTime(unix unixTime) {
	r.lastRcvdAckTime = time.Unix(unix.second, unix.nano)
}