11 "github.com/jinzhu/gorm"
12 log "github.com/sirupsen/logrus"
14 vaporCfg "github.com/vapor/config"
15 "github.com/vapor/crypto/ed25519/chainkd"
16 dbm "github.com/vapor/database/leveldb"
17 "github.com/vapor/event"
18 "github.com/vapor/netsync/chainmgr"
19 "github.com/vapor/netsync/consensusmgr"
20 "github.com/vapor/p2p"
21 // msgs "github.com/vapor/netsync/messages"
22 "github.com/vapor/netsync/peers"
23 "github.com/vapor/p2p/discover/dht"
24 "github.com/vapor/p2p/discover/mdns"
25 "github.com/vapor/p2p/signlib"
26 "github.com/vapor/test/mock"
27 "github.com/vapor/toolbar/precog/config"
33 nodeCfg *vaporCfg.Config
35 discvCh chan *dht.Node
41 // TODO: set myself as SPV?
42 func NewMonitor(cfg *config.Config, db *gorm.DB) *monitor {
44 cfg.CheckFreqSeconds = 10
46 dbPath, err := makePath()
51 nodeCfg := &vaporCfg.Config{
52 BaseConfig: vaporCfg.DefaultBaseConfig(),
53 P2P: vaporCfg.DefaultP2PConfig(),
54 Federation: vaporCfg.DefaultFederationConfig(),
56 nodeCfg.DBPath = dbPath
57 nodeCfg.ChainID = "mainnet"
58 discvCh := make(chan *dht.Node)
59 privKey, err := signlib.NewPrivKey()
64 chain, txPool, err := mockChainAndPool()
74 privKey: privKey.(chainkd.XPrv),
80 func makePath() (string, error) {
81 usr, err := user.Current()
86 dataPath := usr.HomeDir + "/.precog"
87 if err := os.MkdirAll(dataPath, os.ModePerm); err != nil {
91 tmpDir, err := ioutil.TempDir(dataPath, "")
99 func (m *monitor) Run() {
100 defer os.RemoveAll(m.nodeCfg.DBPath)
103 for _, node := range m.cfg.Nodes {
104 seeds = append(seeds, fmt.Sprintf("%s:%d", node.Host, node.Port))
105 if err := m.upSertNode(&node); err != nil {
109 m.nodeCfg.P2P.Seeds = strings.Join(seeds, ",")
110 if err := m.makeSwitch(); err != nil {
114 go m.discoveryRoutine()
115 go m.collectDiscoveredNodes()
116 go m.connectNodesRoutine()
117 go m.checkStatusRoutine()
120 func (m *monitor) makeSwitch() error {
121 l, listenAddr := p2p.GetListener(m.nodeCfg.P2P)
122 discv, err := dht.NewDiscover(m.nodeCfg, m.privKey, l.ExternalAddress().Port, m.cfg.NetworkID)
127 // no need for lanDiscv, but passing &mdns.LANDiscover{} will cause NilPointer
128 lanDiscv := mdns.NewLANDiscover(mdns.NewProtocol(), int(l.ExternalAddress().Port))
129 sw, err := p2p.NewSwitch(m.nodeCfg, discv, lanDiscv, l, m.privKey, listenAddr, m.cfg.NetworkID)
138 func (m *monitor) prepareReactors(peers *peers.PeerSet) error {
139 dispatcher := event.NewDispatcher()
140 // add ConsensusReactor for consensusChannel
141 _ = consensusmgr.NewManager(m.sw, m.chain, peers, dispatcher)
142 fastSyncDB := dbm.NewDB("fastsync", m.nodeCfg.DBBackend, m.nodeCfg.DBDir())
143 // add ProtocolReactor to handle msgs
144 _, err := chainmgr.NewManager(m.nodeCfg, m.sw, m.chain, m.txPool, dispatcher, peers, fastSyncDB)
149 for label, reactor := range m.sw.GetReactors() {
150 log.Debug("start reactor: (%s:%v)", label, reactor)
151 if _, err := reactor.Start(); err != nil {
156 m.sw.GetSecurity().RegisterFilter(m.sw.GetNodeInfo())
157 m.sw.GetSecurity().RegisterFilter(m.sw.GetPeers())
159 return m.sw.GetSecurity().Start()
163 // 现象是,时间区间过小时, 会一直有 dial ,但是不能 send业务层 msg
164 // 还不确定是不是死锁,时间调大一点比如10s 就可以正确运行
165 // 想法,自己再另外加锁,或者找到锁住的真正原因
166 func (m *monitor) checkStatusRoutine() {
167 peers := peers.NewPeerSet(m.sw)
168 if err := m.prepareReactors(peers); err != nil {
172 protocolReactor, ok := m.sw.GetReactors()["PROTOCOL"]
174 log.Fatal("protocolReactor not found")
177 bestHeight := uint64(0)
178 ticker := time.NewTicker(time.Duration(m.cfg.CheckFreqSeconds) * time.Second)
180 log.Info("m.sw.GetPeers().List()", m.sw.GetPeers().List())
182 for _, peer := range m.sw.GetPeers().List() {
184 protocolReactor.AddPeer(peer)
187 for _, peer := range m.sw.GetPeers().List() {
188 p := peers.GetPeer(peer.ID())
193 if err := p.SendStatus(m.chain.BestBlockHeader(), m.chain.LastIrreversibleHeader()); err != nil {
194 peers.RemovePeer(p.ID())
198 for _, peerInfo := range peers.GetPeerInfos() {
199 if peerInfo.Height > bestHeight {
200 bestHeight = peerInfo.Height
203 m.savePeerInfo(peerInfo)
205 log.Info("bestHeight", bestHeight)
207 for _, peer := range m.sw.GetPeers().List() {
208 p := peers.GetPeer(peer.ID())
213 peers.RemovePeer(p.ID())
217 // msg := struct{ msgs.BlockchainMessage }{&msgs.GetBlockMessage{Height: bestHeight + 1}}
218 // for _, peer := range m.sw.GetPeers().List() {
219 // peers.SendMsg(peer.ID(), msgs.BlockchainChannel, msg)