9 "github.com/jinzhu/gorm"
10 log "github.com/sirupsen/logrus"
12 vaporCfg "github.com/vapor/config"
13 "github.com/vapor/crypto/ed25519/chainkd"
14 dbm "github.com/vapor/database/leveldb"
15 "github.com/vapor/event"
16 "github.com/vapor/netsync/chainmgr"
17 "github.com/vapor/netsync/consensusmgr"
18 "github.com/vapor/netsync/peers"
19 "github.com/vapor/p2p"
20 "github.com/vapor/p2p/discover/dht"
21 "github.com/vapor/p2p/discover/mdns"
22 "github.com/vapor/p2p/signlib"
23 "github.com/vapor/test/mock"
24 "github.com/vapor/toolbar/precog/config"
28 // 4. 碰到一个玄学问题,究竟是以ip为单位,还是pubkey为单位。 如果同一个pubkey出现在2个不同的ip,会不会让数据混乱?
29 // 7. m这个为什么需要锁呀?一个是节点发现,一个是生命探测,中间交互都是数据库把?
34 nodeCfg *vaporCfg.Config
43 func NewMonitor(cfg *config.Config, db *gorm.DB) *monitor {
44 dbPath, err := makePath()
46 log.WithFields(log.Fields{"err": err}).Fatal("makePath")
49 nodeCfg := &vaporCfg.Config{
50 BaseConfig: vaporCfg.DefaultBaseConfig(),
51 P2P: vaporCfg.DefaultP2PConfig(),
52 Federation: vaporCfg.DefaultFederationConfig(),
54 nodeCfg.DBPath = dbPath
55 nodeCfg.ChainID = "mainnet"
56 privKey, err := signlib.NewPrivKey()
58 log.WithFields(log.Fields{"err": err}).Fatal("NewPrivKey")
61 chain, txPool, err := mockChainAndPool()
63 log.WithFields(log.Fields{"err": err}).Fatal("mockChainAndPool")
70 privKey: privKey.(chainkd.XPrv),
73 bestHeightSeen: uint64(0),
77 func makePath() (string, error) {
78 usr, err := user.Current()
83 dataPath := usr.HomeDir + "/.vapor/precog"
84 if err := os.MkdirAll(dataPath, os.ModePerm); err != nil {
91 func (m *monitor) Run() {
92 if err := m.makeSwitch(); err != nil {
93 log.WithFields(log.Fields{"err": err}).Fatal("makeSwitch")
96 go m.discoveryRoutine()
97 go m.connectionRoutine()
100 func (m *monitor) makeSwitch() error {
102 for _, node := range m.cfg.Nodes {
103 seeds = append(seeds, fmt.Sprintf("%s:%d", node.IP, node.Port))
105 m.nodeCfg.P2P.Seeds = strings.Join(seeds, ",")
107 l, listenAddr := p2p.GetListener(m.nodeCfg.P2P)
108 discv, err := dht.NewDiscover(m.nodeCfg, m.privKey, l.ExternalAddress().Port, m.cfg.NetworkID)
113 // no need for lanDiscv, but passing &mdns.LANDiscover{} will cause NilPointer
114 lanDiscv := mdns.NewLANDiscover(mdns.NewProtocol(), int(l.ExternalAddress().Port))
115 m.sw, err = p2p.NewSwitch(m.nodeCfg, discv, lanDiscv, l, m.privKey, listenAddr, m.cfg.NetworkID)
120 m.peers = peers.NewPeerSet(m.sw)
121 return m.prepareReactors()
124 func (m *monitor) prepareReactors() error {
125 dispatcher := event.NewDispatcher()
126 // add ConsensusReactor for consensusChannel
127 _ = consensusmgr.NewManager(m.sw, m.chain, m.peers, dispatcher)
128 fastSyncDB := dbm.NewDB("fastsync", m.nodeCfg.DBBackend, m.nodeCfg.DBDir())
129 // add ProtocolReactor to handle msgs
130 if _, err := chainmgr.NewManager(m.nodeCfg, m.sw, m.chain, m.txPool, dispatcher, m.peers, fastSyncDB); err != nil {
134 for label, reactor := range m.sw.GetReactors() {
135 log.WithFields(log.Fields{"label": label, "reactor": reactor}).Debug("start reactor")
136 if _, err := reactor.Start(); err != nil {
141 m.sw.GetSecurity().RegisterFilter(m.sw.GetNodeInfo())
142 m.sw.GetSecurity().RegisterFilter(m.sw.GetPeers())
143 return m.sw.GetSecurity().Start()