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.IP = node.IP
  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                         IP:    ormNode.IP,
  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.WithFields(log.Fields{"xpub": peer.Key}).Error("unmarshal xpub")
  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.WithFields(log.Fields{
  71                                 "peer publicKey": publicKey,
  72                                 "err":            err,
  73                         }).Error("processConnectedPeer")
  74                 }
  75         }
  76
  77         // offline peers
  78         for _, ormNode := range ormNodes {
  79                 if _, ok := connMap[ormNode.PublicKey]; ok {
  80                         continue
  81                 }
  82
  83                 if err := m.processOfflinePeer(ormNode); err != nil {
  84                         log.WithFields(log.Fields{
  85                                 "peer publicKey": ormNode.PublicKey,
  86                                 "err":            err,
  87                         }).Error("processOfflinePeer")
  88                 }
  89         }
  90
  91         return nil
  92 }
  93
  94 func (m *monitor) processConnectedPeer(ormNode *orm.Node, peer *p2p.Peer) error {
  95         ormNodeLiveness := &orm.NodeLiveness{}
  96         err := m.db.Model(&orm.NodeLiveness{}).Joins("join nodes on nodes.id = node_livenesses.node_id").
  97                 Where("nodes.public_key = ? AND status != ?", ormNode.PublicKey, common.NodeOfflineStatus).Last(ormNodeLiveness).Error
  98         if err == nil {
  99                 return m.db.Model(&orm.NodeLiveness{}).Where(ormNodeLiveness).UpdateColumn(&orm.NodeLiveness{
 100                         PingTimes: ormNodeLiveness.PingTimes + 1,
 101                 }).Error
 102         } else if err != gorm.ErrRecordNotFound {
 103                 return err
 104         }
 105
 106         // gorm.ErrRecordNotFound
 107         return m.db.Create(&orm.NodeLiveness{
 108                 NodeID:    ormNode.ID,
 109                 PingTimes: 1,
 110                 Status:    common.NodeUnknownStatus,
 111         }).Error
 112 }
 113
 114 func (m *monitor) processOfflinePeer(ormNode *orm.Node) error {
 115         return m.db.Model(&orm.NodeLiveness{}).Where(&orm.NodeLiveness{NodeID: ormNode.ID}).UpdateColumn(&orm.NodeLiveness{Status: common.NodeOfflineStatus}).Error
 116 }
 117
 118 func (m *monitor) processPeerInfos(peerInfos []*peers.PeerInfo) {
 119         for _, peerInfo := range peerInfos {
 120                 dbTx := m.db.Begin()
 121                 if err := m.processPeerInfo(dbTx, peerInfo); err != nil {
 122                         log.WithFields(log.Fields{
 123                                 "peerInfo": peerInfo,
 124                                 "err":      err,
 125                         }).Error("processPeerInfo")
 126                         dbTx.Rollback()
 127                 } else {
 128                         dbTx.Commit()
 129                 }
 130         }
 131 }
 132
 133 func (m *monitor) processPeerInfo(dbTx *gorm.DB, peerInfo *peers.PeerInfo) error {
 134         xPub := &chainkd.XPub{}
 135         if err := xPub.UnmarshalText([]byte(peerInfo.ID)); err != nil {
 136                 return err
 137         }
 138
 139         ormNode := &orm.Node{}
 140         if err := dbTx.Model(&orm.Node{}).Where(&orm.Node{PublicKey: xPub.PublicKey().String()}).First(ormNode).Error; err != nil {
 141                 return err
 142         }
 143
 144         log.WithFields(log.Fields{"ping": peerInfo.Ping}).Debug("peerInfo")
 145         ping, err := time.ParseDuration(peerInfo.Ping)
 146         if err != nil {
 147                 return err
 148         }
 149
 150         now := time.Now()
 151         yesterday := now.Add(-24 * time.Hour)
 152         var ormNodeLivenesses []*orm.NodeLiveness
 153         if err := dbTx.Model(&orm.NodeLiveness{}).
 154                 Where("node_id = ? AND updated_at >= ?", ormNode.ID, yesterday).
 155                 Order(fmt.Sprintf("created_at %s", "DESC")).
 156                 Find(&ormNodeLivenesses).Error; err != nil {
 157                 return err
 158         }
 159
 160         // update latest liveness
 161         latestLiveness := ormNodeLivenesses[0]
 162         if latestLiveness.Status == common.NodeOfflineStatus {
 163                 return fmt.Errorf("node %s latest liveness status error", ormNode.PublicKey)
 164         }
 165
 166         lantencyMS := ping.Nanoseconds() / 1000
 167         if lantencyMS != 0 {
 168                 latestLiveness.AvgLantencyMS = sql.NullInt64{
 169                         Int64: (latestLiveness.AvgLantencyMS.Int64*int64(latestLiveness.PongTimes) + lantencyMS) / int64(latestLiveness.PongTimes+1),
 170                         Valid: true,
 171                 }
 172         }
 173         latestLiveness.PongTimes += 1
 174         if peerInfo.Height != 0 {
 175                 latestLiveness.BestHeight = peerInfo.Height
 176         }
 177         if err := dbTx.Save(latestLiveness).Error; err != nil {
 178                 return err
 179         }
 180
 181         // calc LatestDailyUptimeMinutes
 182         total := 0 * time.Minute
 183         ormNodeLivenesses[0].UpdatedAt = now
 184         for _, ormNodeLiveness := range ormNodeLivenesses {
 185                 if ormNodeLiveness.CreatedAt.Before(yesterday) {
 186                         ormNodeLiveness.CreatedAt = yesterday
 187                 }
 188
 189                 total += ormNodeLiveness.UpdatedAt.Sub(ormNodeLiveness.CreatedAt)
 190         }
 191
 192         return dbTx.Model(&orm.Node{}).Where(&orm.Node{PublicKey: xPub.PublicKey().String()}).
 193                 UpdateColumn(&orm.Node{
 194                         Alias:                    peerInfo.Moniker,
 195                         Xpub:                     peerInfo.ID,
 196                         BestHeight:               peerInfo.Height,
 197                         LatestDailyUptimeMinutes: uint64(total.Minutes()),
 198                 }).First(ormNode).Error
 199 }