6 log "github.com/sirupsen/logrus"
8 "github.com/vapor/errors"
10 "github.com/vapor/p2p/connection"
14 handshakeTimeout = 10 * time.Second
15 handshakeCheckPerid = 500 * time.Millisecond
19 errProtocolHandshakeTimeout = errors.New("Protocol handshake timeout")
20 errStatusRequest = errors.New("Status request error")
23 //ProtocolReactor handles new coming protocol message.
24 type ProtocolReactor struct {
31 // NewProtocolReactor returns the reactor of whole blockchain.
32 func NewProtocolReactor(sm *SyncManager, peers *peerSet) *ProtocolReactor {
33 pr := &ProtocolReactor{
37 pr.BaseReactor = *p2p.NewBaseReactor("ProtocolReactor", pr)
41 // GetChannels implements Reactor
42 func (pr *ProtocolReactor) GetChannels() []*connection.ChannelDescriptor {
43 return []*connection.ChannelDescriptor{
45 ID: BlockchainChannel,
47 SendQueueCapacity: 100,
52 // OnStart implements BaseService
53 func (pr *ProtocolReactor) OnStart() error {
54 pr.BaseReactor.OnStart()
58 // OnStop implements BaseService
59 func (pr *ProtocolReactor) OnStop() {
60 pr.BaseReactor.OnStop()
63 // AddPeer implements Reactor by sending our state to peer.
64 func (pr *ProtocolReactor) AddPeer(peer *p2p.Peer) error {
66 if err := pr.sm.SendStatus(peer); err != nil {
69 pr.sm.syncTransactions(peer.Key)
73 // RemovePeer implements Reactor by removing peer from the pool.
74 func (pr *ProtocolReactor) RemovePeer(peer *p2p.Peer, reason interface{}) {
75 pr.peers.removePeer(peer.Key)
78 // Receive implements Reactor by handling 4 types of messages (look below).
79 func (pr *ProtocolReactor) Receive(chID byte, src *p2p.Peer, msgBytes []byte) {
80 msgType, msg, err := DecodeMessage(msgBytes)
82 log.WithFields(log.Fields{"module": logModule, "err": err}).Error("fail on reactor decoding message")
86 pr.sm.processMsg(src, msgType, msg)