/
peer.go
77 lines (67 loc) · 1.95 KB
/
peer.go
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// Copyright 2020 The CortexTheseus Authors
// This file is part of the CortexTheseus library.
//
// The CortexTheseus 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 CortexTheseus 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 CortexTheseus library. If not, see <http://www.gnu.org/licenses/>.
package torrentfs
import (
"fmt"
"github.com/CortexFoundation/CortexTheseus/log"
"github.com/CortexFoundation/CortexTheseus/p2p"
mapset "github.com/ucwong/golang-set"
"sync"
)
type Peer struct {
host *TorrentFS
peer *p2p.Peer
ws p2p.MsgReadWriter
trusted bool
known mapset.Set // Messages already known by the peer to avoid wasting bandwidth
quit chan struct{}
wg sync.WaitGroup
}
func newPeer(host *TorrentFS, remote *p2p.Peer, rw p2p.MsgReadWriter) *Peer {
return &Peer{
host: host,
peer: remote,
ws: rw,
trusted: false,
known: mapset.NewSet(),
quit: make(chan struct{}),
}
}
func (p *Peer) Start() error {
return nil
}
func (peer *Peer) handshake() error {
log.Info("Nas handshake", "peer", *peer.peer)
errc := make(chan error, 1)
peer.wg.Add(1)
go func() {
defer peer.wg.Done()
errc <- p2p.SendItems(peer.ws, statusCode, ProtocolVersion, 0, nil, false)
}()
if err := <-errc; err != nil {
return fmt.Errorf("peer [%x] failed to send status packet: %v", peer.ID(), err)
}
return nil
}
func (p *Peer) Stop() error {
close(p.quit)
p.wg.Wait()
return nil
}
func (peer *Peer) ID() []byte {
id := peer.peer.ID()
return id[:]
}