import (
// "encoding/binary"
// "encoding/hex"
- // "io/ioutil"
"fmt"
+ "io/ioutil"
"net"
"os"
- // "strings"
+ // "os/user"
+ "strings"
"time"
"github.com/jinzhu/gorm"
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"
)
-var (
- nodesToDiscv = 150
- discvFreqSec = 1
-)
-
type monitor struct {
cfg *config.Config
db *gorm.DB
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()
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)
+ var seeds []string
for _, node := range m.cfg.Nodes {
- m.upSertNode(&node)
+ seeds = append(seeds, fmt.Sprintf("%s:%d", node.Host, node.Port))
+ if err := m.upSertNode(&node); err != nil {
+ log.Error(err)
+ }
}
-
- sw, err := m.makeSwitch()
- if err != nil {
+ m.nodeCfg.P2P.Seeds = strings.Join(seeds, ",")
+ if err := m.makeSwitch(); err != nil {
log.Fatal(err)
}
- m.sw = sw
-
- go m.discovery()
- go m.collectDiscv()
- go m.dialRoutine()
+ go m.discoveryRoutine()
+ go m.collectDiscoveredNodes()
+ go m.connectNodesRoutine()
+ go m.checkStatusRoutine()
}
-// create or update: https://github.com/jinzhu/gorm/issues/1307
-func (m *monitor) upSertNode(node *config.Node) error {
- if node.XPub != nil {
- node.PublicKey = fmt.Sprintf("%v", node.XPub.PublicKey().String())
- }
-
- ormNode := &orm.Node{PublicKey: node.PublicKey}
- if err := m.db.Where(&orm.Node{PublicKey: node.PublicKey}).First(ormNode).Error; err != nil && err != gorm.ErrRecordNotFound {
- return err
- }
-
- if node.Alias != "" {
- ormNode.Alias = node.Alias
- }
- if node.XPub != nil {
- ormNode.Xpub = node.XPub.String()
- }
- ormNode.Host = node.Host
- ormNode.Port = node.Port
- return m.db.Where(&orm.Node{PublicKey: ormNode.PublicKey}).
- Assign(&orm.Node{
- Xpub: ormNode.Xpub,
- Alias: ormNode.Alias,
- Host: ormNode.Host,
- Port: ormNode.Port,
- }).FirstOrCreate(ormNode).Error
-}
-
-func (m *monitor) makeSwitch() (*p2p.Switch, error) {
+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
}
// no need for lanDiscv, but passing &mdns.LANDiscover{} will cause NilPointer
lanDiscv := mdns.NewLANDiscover(mdns.NewProtocol(), int(l.ExternalAddress().Port))
- return p2p.NewSwitch(m.nodeCfg, discv, lanDiscv, l, m.privKey, listenAddr, m.cfg.NetworkID)
-}
-
-func (m *monitor) discovery() {
- ticker := time.NewTicker(time.Duration(discvFreqSec) * time.Second)
- for range ticker.C {
- nodes := make([]*dht.Node, nodesToDiscv)
- n := m.sw.GetDiscv().ReadRandomNodes(nodes)
- for i := 0; i < n; i++ {
- m.discvCh <- nodes[i]
- }
+ sw, err := p2p.NewSwitch(m.nodeCfg, discv, lanDiscv, l, m.privKey, listenAddr, m.cfg.NetworkID)
+ if err != nil {
+ return err
}
-}
-func (m *monitor) collectDiscv() {
- // nodeMap maps a node's public key to the node itself
- nodeMap := make(map[string]*dht.Node)
- for node := range m.discvCh {
- if n, ok := nodeMap[node.ID.String()]; ok && n.String() == node.String() {
- continue
- }
- log.Info("discover new node: ", node)
-
- m.upSertNode(&config.Node{
- PublicKey: node.ID.String(),
- Host: node.IP.String(),
- Port: node.TCP,
- })
- nodeMap[node.ID.String()] = node
- }
+ m.sw = sw
+ return nil
}
-func (m *monitor) dialRoutine() {
- // TODO: rm hardcode
- m.cfg.CheckFreqSeconds = 60
+func (m *monitor) connectNodesRoutine() {
+ // TODO: change name?
ticker := time.NewTicker(time.Duration(m.cfg.CheckFreqSeconds) * time.Second)
for ; true; <-ticker.C {
- m.dialNodes()
+ if err := m.dialNodes(); err != nil {
+ log.Error(err)
+ }
}
}
-func (m *monitor) dialNodes() {
+func (m *monitor) dialNodes() error {
var nodes []*orm.Node
if err := m.db.Model(&orm.Node{}).Find(&nodes).Error; err != nil {
- log.Error(err)
- return
+ return err
}
addresses := make([]*p2p.NetAddress, 0)
for i := 0; i < len(nodes); i++ {
- ip, err := net.LookupIP(nodes[i].Host)
- if err != nil || len(ip) == 0 {
+ 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(ip[0], nodes[i].Port)
+ address := p2p.NewNetAddressIPPort(ips[0], nodes[i].Port)
addresses = append(addresses, address)
}
m.sw.DialPeers(addresses)
+ return nil
}
-// 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
-// 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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