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pathset.go
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pathset.go
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// Copyright 2019 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 pathpol
import (
"github.com/scionproto/scion/go/lib/addr"
"github.com/scionproto/scion/go/lib/common"
)
// PathSet is a set of paths. PathSet is used for policy filtering.
type PathSet map[string]Path
// Path describes a path or a partial path, e.g. a segment.
type Path interface {
// Interfaces returns all the interfaces of this path.
Interfaces() []PathInterface
// Returns a string that uniquely identifies this path.
Key() string
}
// PathInterface is an interface on the path.
type PathInterface interface {
// IfId is the id of the interface.
IfId() common.IFIDType
// IA is the ISD AS identifier of the interface.
IA() addr.IA
}