op-geth/p2p/testing/peerpool.go

68 lines
1.7 KiB
Go

// Copyright 2017 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package testing
import (
"fmt"
"sync"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/p2p/enode"
)
type TestPeer interface {
ID() enode.ID
Drop(error)
}
// TestPeerPool is an example peerPool to demonstrate registration of peer connections
type TestPeerPool struct {
lock sync.Mutex
peers map[enode.ID]TestPeer
}
func NewTestPeerPool() *TestPeerPool {
return &TestPeerPool{peers: make(map[enode.ID]TestPeer)}
}
func (p *TestPeerPool) Add(peer TestPeer) {
p.lock.Lock()
defer p.lock.Unlock()
log.Trace(fmt.Sprintf("pp add peer %v", peer.ID()))
p.peers[peer.ID()] = peer
}
func (p *TestPeerPool) Remove(peer TestPeer) {
p.lock.Lock()
defer p.lock.Unlock()
delete(p.peers, peer.ID())
}
func (p *TestPeerPool) Has(id enode.ID) bool {
p.lock.Lock()
defer p.lock.Unlock()
_, ok := p.peers[id]
return ok
}
func (p *TestPeerPool) Get(id enode.ID) TestPeer {
p.lock.Lock()
defer p.lock.Unlock()
return p.peers[id]
}