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// Copyright (C) 2019-2024 Algorand, Inc.
// This file is part of go-algorand
//
// go-algorand is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// go-algorand is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with go-algorand. If not, see <https://www.gnu.org/licenses/>.
package fuzzer
import (
"github.com/algorand/go-algorand/protocol"
)
// DownstreamFilter is the network filter downsteam filter interface
type DownstreamFilter interface {
SendMessage(sourceNode, targetNode int, tag protocol.Tag, data []byte)
GetDownstreamFilter() DownstreamFilter
}
// UpstreamFilter is the network filter upstream filter interface
type UpstreamFilter interface {
ReceiveMessage(sourceNode int, tag protocol.Tag, data []byte)
Tick(newClockTime int) bool // return true if a network operartion might be due; i.e. closed channel, sent message, etc.
}
// NetworkFilter is a single filter interface
type NetworkFilter interface {
DownstreamFilter
UpstreamFilter
SetDownstreamFilter(f DownstreamFilter)
SetUpstreamFilter(f UpstreamFilter)
}
type ShutdownFilter interface {
PreShutdown()
PostShutdown()
}
// NetworkFilterFactory interface used to create new network filters.
type NetworkFilterFactory interface {
CreateFilter(nodeID int, fuzzer *Fuzzer) NetworkFilter
Unmarshal([]byte) NetworkFilterFactory
}
var registeredFilterFactories = []NetworkFilterFactory{}
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