op-geth/p2p/testing/peerpool.go

68 lines
1.8 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/discover"
)
type TestPeer interface {
ID() discover.NodeID
Drop(error)
}
// TestPeerPool is an example peerPool to demonstrate registration of peer connections
type TestPeerPool struct {
lock sync.Mutex
peers map[discover.NodeID]TestPeer
}
func NewTestPeerPool() *TestPeerPool {
return &TestPeerPool{peers: make(map[discover.NodeID]TestPeer)}
}
func (self *TestPeerPool) Add(p TestPeer) {
self.lock.Lock()
defer self.lock.Unlock()
log.Trace(fmt.Sprintf("pp add peer %v", p.ID()))
self.peers[p.ID()] = p
}
func (self *TestPeerPool) Remove(p TestPeer) {
self.lock.Lock()
defer self.lock.Unlock()
delete(self.peers, p.ID())
}
func (self *TestPeerPool) Has(id discover.NodeID) bool {
self.lock.Lock()
defer self.lock.Unlock()
_, ok := self.peers[id]
return ok
}
func (self *TestPeerPool) Get(id discover.NodeID) TestPeer {
self.lock.Lock()
defer self.lock.Unlock()
return self.peers[id]
}