import (
// "encoding/binary"
- // "io/ioutil"
+ // "encoding/hex"
"fmt"
+ "io/ioutil"
+ "net"
"os"
+ // "os/user"
"strings"
"time"
// dbm "github.com/vapor/database/leveldb"
vaporCfg "github.com/vapor/config"
+ "github.com/vapor/crypto/ed25519/chainkd"
+ dbm "github.com/vapor/database/leveldb"
+ "github.com/vapor/event"
"github.com/vapor/p2p"
// conn "github.com/vapor/p2p/connection"
- // "github.com/vapor/consensus"
- // "github.com/vapor/crypto/sha3pool"
+ "github.com/vapor/netsync/chainmgr"
+ "github.com/vapor/netsync/consensusmgr"
+ "github.com/vapor/netsync/peers"
"github.com/vapor/p2p/discover/dht"
"github.com/vapor/p2p/discover/mdns"
"github.com/vapor/p2p/signlib"
+ "github.com/vapor/test/mock"
"github.com/vapor/toolbar/precog/config"
"github.com/vapor/toolbar/precog/database/orm"
)
cfg *config.Config
db *gorm.DB
nodeCfg *vaporCfg.Config
+ sw *p2p.Switch
+ discvCh chan *dht.Node
+ privKey chainkd.XPrv
+ chain *mock.Chain
+ txPool *mock.Mempool
}
+// TODO: set myself as SPV?
func NewMonitor(cfg *config.Config, db *gorm.DB) *monitor {
+ //TODO: for test
+ cfg.CheckFreqSeconds = 1
+
+ tmpDir, err := ioutil.TempDir(".", "vpPrecog")
+ if err != nil {
+ log.Fatalf("failed to create temporary data folder: %v", err)
+ }
+
nodeCfg := &vaporCfg.Config{
BaseConfig: vaporCfg.DefaultBaseConfig(),
P2P: vaporCfg.DefaultP2PConfig(),
Federation: vaporCfg.DefaultFederationConfig(),
}
- nodeCfg.DBPath = "vapor_precog_data"
+ nodeCfg.DBPath = tmpDir
+ nodeCfg.ChainID = "mainnet"
+ discvCh := make(chan *dht.Node)
+ privKey, err := signlib.NewPrivKey()
+ if err != nil {
+ log.Fatal(err)
+ }
+
+ chain, txPool, err := mockChainAndPool()
+ if err != nil {
+ log.Fatal(err)
+ }
return &monitor{
cfg: cfg,
db: db,
nodeCfg: nodeCfg,
+ discvCh: discvCh,
+ privKey: privKey.(chainkd.XPrv),
+ chain: chain,
+ txPool: txPool,
}
}
func (m *monitor) Run() {
defer os.RemoveAll(m.nodeCfg.DBPath)
- m.updateBootstrapNodes()
- go m.discovery()
- ticker := time.NewTicker(time.Duration(m.cfg.CheckFreqSeconds) * time.Second)
- for ; true; <-ticker.C {
- // TODO: lock?
- m.monitorRountine()
- }
-}
-
-// create or update: https://github.com/jinzhu/gorm/issues/1307
-func (m *monitor) updateBootstrapNodes() {
var seeds []string
for _, node := range m.cfg.Nodes {
- ormNode := &orm.Node{
- PublicKey: node.PublicKey.String(),
- Alias: node.Alias,
- Host: node.Host,
- Port: node.Port,
- }
seeds = append(seeds, fmt.Sprintf("%s:%d", node.Host, node.Port))
-
- if err := m.db.Where(&orm.Node{PublicKey: ormNode.PublicKey}).
- Assign(&orm.Node{
- Alias: node.Alias,
- Host: node.Host,
- Port: node.Port,
- }).FirstOrCreate(ormNode).Error; err != nil {
+ if err := m.upSertNode(&node); err != nil {
log.Error(err)
- continue
}
}
m.nodeCfg.P2P.Seeds = strings.Join(seeds, ",")
-}
-
-// TODO:
-// implement logic first, and then refactor
-// /home/gavin/work/go/src/github.com/vapor/
-// p2p/test_util.go
-// p2p/switch_test.go
-// syncManager
-// notificationMgr
-func (m *monitor) discovery() {
- sw, err := m.makeSwitch()
- if err != nil {
+ if err := m.makeSwitch(); err != nil {
log.Fatal(err)
}
- sw.Start()
+ go m.discoveryRoutine()
+ go m.collectDiscoveredNodes()
+ go m.connectNodesRoutine()
+ go m.checkStatusRoutine()
}
-func (m *monitor) makeSwitch() (*p2p.Switch, error) {
- swPrivKey, err := signlib.NewPrivKey()
+func (m *monitor) makeSwitch() error {
+ l, listenAddr := p2p.GetListener(m.nodeCfg.P2P)
+ discv, err := dht.NewDiscover(m.nodeCfg, m.privKey, l.ExternalAddress().Port, m.cfg.NetworkID)
if err != nil {
- return nil, err
+ return err
}
- l, listenAddr := p2p.GetListener(m.nodeCfg.P2P)
- discv, err := dht.NewDiscover(m.nodeCfg, swPrivKey, l.ExternalAddress().Port, m.cfg.NetworkID)
+ // no need for lanDiscv, but passing &mdns.LANDiscover{} will cause NilPointer
+ lanDiscv := mdns.NewLANDiscover(mdns.NewProtocol(), int(l.ExternalAddress().Port))
+ sw, err := p2p.NewSwitch(m.nodeCfg, discv, lanDiscv, l, m.privKey, listenAddr, m.cfg.NetworkID)
if err != nil {
- return nil, err
+ return err
}
- lanDiscv := mdns.NewLANDiscover(mdns.NewProtocol(), int(l.ExternalAddress().Port))
- return p2p.NewSwitch(m.nodeCfg, discv, lanDiscv, l, swPrivKey, listenAddr, m.cfg.NetworkID)
+ m.sw = sw
+ return nil
+}
+
+func (m *monitor) connectNodesRoutine() {
+ // TODO: change name?
+ ticker := time.NewTicker(time.Duration(m.cfg.CheckFreqSeconds) * time.Second)
+ for ; true; <-ticker.C {
+ if err := m.dialNodes(); err != nil {
+ log.Error(err)
+ }
+ }
+}
+
+func (m *monitor) dialNodes() error {
+ var nodes []*orm.Node
+ if err := m.db.Model(&orm.Node{}).Find(&nodes).Error; err != nil {
+ return err
+ }
+
+ addresses := make([]*p2p.NetAddress, 0)
+ for i := 0; i < len(nodes); i++ {
+ ips, err := net.LookupIP(nodes[i].Host)
+ if err != nil {
+ log.Error(err)
+ continue
+ }
+ if len(ips) == 0 {
+ log.Errorf("fail to look up ip for %s", nodes[i].Host)
+ continue
+ }
+
+ address := p2p.NewNetAddressIPPort(ips[0], nodes[i].Port)
+ addresses = append(addresses, address)
+ }
+
+ m.sw.DialPeers(addresses)
+ return nil
}
-func (m *monitor) monitorRountine() error {
- // TODO: dail nodes, get lantency & best_height
- // TODO: decide check_height("best best_height" - "confirmations")
- // TODO: get blockhash by check_height, get latency
- // TODO: update lantency, active_time and status
+func (m *monitor) prepareReactors(peers *peers.PeerSet) error {
+ dispatcher := event.NewDispatcher()
+ // add ConsensusReactor for consensusChannel
+ _ = consensusmgr.NewManager(m.sw, m.chain, peers, dispatcher)
+ fastSyncDB := dbm.NewDB("fastsync", m.nodeCfg.DBBackend, m.nodeCfg.DBDir())
+ // add ProtocolReactor to handle msgs
+ _, err := chainmgr.NewManager(m.nodeCfg, m.sw, m.chain, m.txPool, dispatcher, peers, fastSyncDB)
+ if err != nil {
+ return err
+ }
+
+ // TODO: clean up?? only start reactors??
+ m.sw.Start()
+
+ // for label, reactor := range m.sw.GetReactors() {
+ // log.Debug("start reactor: (%s:%v)", label, reactor)
+ // if _, err := reactor.Start(); err != nil {
+ // return
+ // }
+ // }
+
+ // m.sw.GetSecurity().RegisterFilter(m.sw.GetNodeInfo())
+ // m.sw.GetSecurity().RegisterFilter(m.sw.GetPeers())
+ // if err := m.sw.GetSecurity().Start(); err != nil {
+ // return
+ // }
+
return nil
}
+
+func (m *monitor) checkStatusRoutine() {
+ peers := peers.NewPeerSet(m.sw)
+ if err := m.prepareReactors(peers); err != nil {
+ log.Fatal(err)
+ }
+
+ ticker := time.NewTicker(time.Duration(m.cfg.CheckFreqSeconds) * time.Second)
+ for ; true; <-ticker.C {
+ for _, reactor := range m.sw.GetReactors() {
+ for _, peer := range m.sw.GetPeers().List() {
+ log.Debug("AddPeer %v for reactor %v", peer, reactor)
+ // TODO: if not in sw
+ reactor.AddPeer(peer)
+ }
+ }
+
+ for _, peerInfo := range peers.GetPeerInfos() {
+ log.Info(peerInfo)
+ }
+ }
+}
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