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sesspath.go
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sesspath.go
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// Copyright 2018 ETH Zurich
// Copyright 2019 ETH Zurich, Anapaya Systems
//
// 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 iface
import (
"fmt"
"time"
"github.com/scionproto/scion/go/lib/snet"
)
// A SessPath contains a path and metadata related to path health.
type SessPath struct {
key snet.PathFingerprint
path snet.Path
}
func NewSessPath(key snet.PathFingerprint, path snet.Path) *SessPath {
return &SessPath{key: key, path: path}
}
func (sp *SessPath) Key() snet.PathFingerprint {
return sp.key
}
func (sp *SessPath) Path() snet.Path {
return sp.path
}
func (sp *SessPath) IsCloseToExpiry() bool {
return sp.Path().Expiry().Before(time.Now().Add(SafetyInterval))
}
func (sp *SessPath) Copy() *SessPath {
if sp == nil {
return nil
}
return &SessPath{
key: sp.key,
path: sp.path.Copy(),
}
}
func (sp *SessPath) String() string {
return fmt.Sprintf("Key: %s %s", sp.key[:8], sp.path)
}