toolbar/precog/monitor/stats.go

   1 package monitor
   2
   3 import (
   4         "database/sql"
   5         "fmt"
   6         "time"
   7
   8         "github.com/jinzhu/gorm"
   9         log "github.com/sirupsen/logrus"
  10
  11         "github.com/vapor/crypto/ed25519/chainkd"
  12         "github.com/vapor/netsync/peers"
  13         "github.com/vapor/p2p"
  14         "github.com/vapor/toolbar/precog/common"
  15         "github.com/vapor/toolbar/precog/config"
  16         "github.com/vapor/toolbar/precog/database/orm"
  17 )
  18
  19 // create or update: https://github.com/jinzhu/gorm/issues/1307
  20 func (m *monitor) upSertNode(node *config.Node) error {
  21         if node.XPub != nil {
  22                 node.PublicKey = fmt.Sprintf("%v", node.XPub.PublicKey().String())
  23         }
  24
  25         ormNode := &orm.Node{PublicKey: node.PublicKey}
  26         if err := m.db.Where(&orm.Node{PublicKey: node.PublicKey}).First(ormNode).Error; err != nil && err != gorm.ErrRecordNotFound {
  27                 return err
  28         }
  29
  30         if node.Alias != "" {
  31                 ormNode.Alias = node.Alias
  32         }
  33         if node.XPub != nil {
  34                 ormNode.Xpub = node.XPub.String()
  35         }
  36         ormNode.Host = node.Host
  37         ormNode.Port = node.Port
  38         return m.db.Where(&orm.Node{PublicKey: ormNode.PublicKey}).
  39                 Assign(&orm.Node{
  40                         Xpub:  ormNode.Xpub,
  41                         Alias: ormNode.Alias,
  42                         Host:  ormNode.Host,
  43                         Port:  ormNode.Port,
  44                 }).FirstOrCreate(ormNode).Error
  45 }
  46
  47 func (m *monitor) processDialResults() error {
  48         var ormNodes []*orm.Node
  49         if err := m.db.Model(&orm.Node{}).Find(&ormNodes).Error; err != nil {
  50                 return err
  51         }
  52
  53         publicKeyMap := make(map[string]*orm.Node, len(ormNodes))
  54         for _, ormNode := range ormNodes {
  55                 publicKeyMap[ormNode.PublicKey] = ormNode
  56         }
  57
  58         connMap := make(map[string]bool, len(ormNodes))
  59         // connected peers
  60         for _, peer := range m.sw.GetPeers().List() {
  61                 xPub := &chainkd.XPub{}
  62                 if err := xPub.UnmarshalText([]byte(peer.Key)); err != nil {
  63                         log.Error(err)
  64                         continue
  65                 }
  66
  67                 publicKey := xPub.PublicKey().String()
  68                 connMap[publicKey] = true
  69                 if err := m.processConnectedPeer(publicKeyMap[publicKey], peer); err != nil {
  70                         log.Error(err)
  71                 }
  72         }
  73
  74         // offline peers
  75         for _, ormNode := range ormNodes {
  76                 if _, ok := connMap[ormNode.PublicKey]; ok {
  77                         continue
  78                 }
  79
  80                 if err := m.processOfflinePeer(ormNode); err != nil {
  81                         log.Error(err)
  82                 }
  83         }
  84
  85         return nil
  86 }
  87
  88 func (m *monitor) processConnectedPeer(ormNode *orm.Node, peer *p2p.Peer) error {
  89         ormNodeLiveness := &orm.NodeLiveness{}
  90         err := m.db.Model(&orm.NodeLiveness{}).Joins("join nodes on nodes.id = node_livenesses.node_id").
  91                 Where("nodes.public_key = ? AND status != ?", ormNode.PublicKey, common.NodeOfflineStatus).Last(ormNodeLiveness).Error
  92         if err == nil {
  93                 return m.db.Model(&orm.NodeLiveness{}).Where(ormNodeLiveness).UpdateColumn(&orm.NodeLiveness{
  94                         PingTimes: ormNodeLiveness.PingTimes + 1,
  95                 }).Error
  96         } else if err != gorm.ErrRecordNotFound {
  97                 return err
  98         }
  99
 100         // gorm.ErrRecordNotFound
 101         return m.db.Create(&orm.NodeLiveness{
 102                 NodeID:    ormNode.ID,
 103                 PingTimes: 1,
 104                 Status:    common.NodeUnknownStatus,
 105         }).Error
 106 }
 107
 108 func (m *monitor) processOfflinePeer(ormNode *orm.Node) error {
 109         return m.db.Model(&orm.NodeLiveness{}).
 110                 Where(&orm.NodeLiveness{NodeID: ormNode.ID}).
 111                 UpdateColumn(&orm.NodeLiveness{
 112                         Status: common.NodeOfflineStatus,
 113                 }).Error
 114 }
 115
 116 func (m *monitor) processPeerInfos(peerInfos []*peers.PeerInfo) error {
 117         for _, peerInfo := range peerInfos {
 118                 dbTx := m.db.Begin()
 119                 if err := m.processPeerInfo(dbTx, peerInfo); err != nil {
 120                         log.Error(err)
 121                         dbTx.Rollback()
 122                 } else {
 123                         dbTx.Commit()
 124                 }
 125         }
 126
 127         return nil
 128 }
 129
 130 // TODO: fix pong time
 131 func (m *monitor) processPeerInfo(dbTx *gorm.DB, peerInfo *peers.PeerInfo) error {
 132         xPub := &chainkd.XPub{}
 133         if err := xPub.UnmarshalText([]byte(peerInfo.ID)); err != nil {
 134                 return err
 135         }
 136
 137         ormNode := &orm.Node{}
 138         if err := dbTx.Model(&orm.Node{}).Where(&orm.Node{PublicKey: xPub.PublicKey().String()}).First(ormNode).Error; err != nil {
 139                 return err
 140         }
 141
 142         log.Debugf("peerInfo Ping: %v", peerInfo.Ping)
 143         ping, err := time.ParseDuration(peerInfo.Ping)
 144         if err != nil {
 145                 log.Debugf("Parse ping time err: %v", err)
 146         }
 147
 148         // TODO: preload?
 149         ormNodeLiveness := &orm.NodeLiveness{
 150                 NodeID:        ormNode.ID,
 151                 BestHeight:    ormNode.BestHeight,
 152                 AvgLantencyMS: sql.NullInt64{Int64: ping.Nanoseconds() / 1000, Valid: true},
 153                 // PingTimes     uint64
 154                 // PongTimes     uint64
 155         }
 156         if err := dbTx.Model(&orm.NodeLiveness{}).Where("node_id = ? AND status != ?", ormNode.ID, common.NodeOfflineStatus).
 157                 UpdateColumn(&orm.NodeLiveness{
 158                         BestHeight:    ormNodeLiveness.BestHeight,
 159                         AvgLantencyMS: ormNodeLiveness.AvgLantencyMS,
 160                 }).FirstOrCreate(ormNodeLiveness).Error; err != nil {
 161                 return err
 162         }
 163
 164         if err := dbTx.Model(&orm.Node{}).Where(&orm.Node{PublicKey: xPub.PublicKey().String()}).
 165                 UpdateColumn(&orm.Node{
 166                         Alias:      peerInfo.Moniker,
 167                         Xpub:       peerInfo.ID,
 168                         BestHeight: peerInfo.Height,
 169                         // LatestDailyUptimeMinutes uint64
 170                 }).First(ormNode).Error; err != nil {
 171                 return err
 172         }
 173
 174         return nil
 175 }