summaryrefslogtreecommitdiffhomepage
path: root/pkg/tcpip/transport/tcp/snd_state.go
blob: d536839af20294958e12e86573e26d9b85f48441 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
// Copyright 2018 Google Inc.
//
// 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"
)

// +stateify savable
type unixTime struct {
	second int64
	nano   int64
}

// saveLastSendTime is invoked by stateify.
func (s *sender) saveLastSendTime() unixTime {
	return unixTime{s.lastSendTime.Unix(), s.lastSendTime.UnixNano()}
}

// loadLastSendTime is invoked by stateify.
func (s *sender) loadLastSendTime(unix unixTime) {
	s.lastSendTime = time.Unix(unix.second, unix.nano)
}

// saveRttMeasureTime is invoked by stateify.
func (s *sender) saveRttMeasureTime() unixTime {
	return unixTime{s.rttMeasureTime.Unix(), s.rttMeasureTime.UnixNano()}
}

// loadRttMeasureTime is invoked by stateify.
func (s *sender) loadRttMeasureTime(unix unixTime) {
	s.rttMeasureTime = time.Unix(unix.second, unix.nano)
}

// afterLoad is invoked by stateify.
func (s *sender) afterLoad() {
	s.resendTimer.init(&s.resendWaker)
}