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/toolbar/precog/common"
  14         "github.com/vapor/toolbar/precog/config"
  15         "github.com/vapor/toolbar/precog/database/orm"
  16 )
  17
  18 // TODO: simplify
  19 func (m *monitor) upsertNode(node *config.Node) error {
  20         if node.XPub != nil {
  21                 node.PublicKey = fmt.Sprintf("%v", node.XPub.PublicKey().String())
  22         }
  23
  24         ormNode := &orm.Node{
  25                 IP:   node.IP,
  26                 Port: node.Port,
  27         }
  28         if err := m.db.Where(ormNode).First(ormNode).Error; err != nil && err != gorm.ErrRecordNotFound {
  29                 return err
  30         }
  31
  32         ormNode.PublicKey = node.PublicKey
  33         if node.XPub != nil {
  34                 ormNode.Xpub = node.XPub.String()
  35         }
  36         return m.db.Save(ormNode).Error
  37 }
  38
  39 // TODO: maybe return connected nodes here for checkStatus
  40 func (m *monitor) processDialResults() error {
  41         var ormNodes []*orm.Node
  42         if err := m.db.Model(&orm.Node{}).Find(&ormNodes).Error; err != nil {
  43                 return err
  44         }
  45
  46         // TODO: ???
  47         publicKeyMap := make(map[string]*orm.Node, len(ormNodes))
  48         for _, ormNode := range ormNodes {
  49                 publicKeyMap[ormNode.PublicKey] = ormNode
  50         }
  51
  52         connMap := make(map[string]bool, len(ormNodes))
  53         // connected peers
  54         for _, peer := range m.sw.GetPeers().List() {
  55                 xPub := &chainkd.XPub{}
  56                 if err := xPub.UnmarshalText([]byte(peer.Key)); err != nil {
  57                         log.WithFields(log.Fields{"xpub": peer.Key}).Error("unmarshal xpub")
  58                         continue
  59                 }
  60
  61                 publicKey := xPub.PublicKey().String()
  62                 connMap[publicKey] = true
  63                 if err := m.processConnectedPeer(publicKeyMap[publicKey]); err != nil {
  64                         log.WithFields(log.Fields{"peer publicKey": publicKey, "err": err}).Error("processConnectedPeer")
  65                 }
  66         }
  67
  68         // offline peers
  69         for _, ormNode := range ormNodes {
  70                 if _, ok := connMap[ormNode.PublicKey]; ok {
  71                         continue
  72                 }
  73
  74                 if err := m.processOfflinePeer(ormNode); err != nil {
  75                         log.WithFields(log.Fields{"peer publicKey": ormNode.PublicKey, "err": err}).Error("processOfflinePeer")
  76                 }
  77         }
  78
  79         return nil
  80 }
  81
  82 func (m *monitor) processConnectedPeer(ormNode *orm.Node) error {
  83         ormNodeLiveness := &orm.NodeLiveness{NodeID: ormNode.ID}
  84         err := m.db.Preload("Node").Where(ormNodeLiveness).Last(ormNodeLiveness).Error
  85         if err != nil && err != gorm.ErrRecordNotFound {
  86                 return err
  87         }
  88
  89         ormNodeLiveness.PongTimes += 1
  90         if ormNode.Status == common.NodeOfflineStatus {
  91                 ormNode.Status = common.NodeUnknownStatus
  92         }
  93         ormNodeLiveness.Node = ormNode
  94         return m.db.Save(ormNodeLiveness).Error
  95 }
  96
  97 func (m *monitor) processOfflinePeer(ormNode *orm.Node) error {
  98         ormNode.Status = common.NodeOfflineStatus
  99         return m.db.Save(ormNode).Error
 100 }
 101
 102 func (m *monitor) processPeerInfos(peerInfos []*peers.PeerInfo) {
 103         for _, peerInfo := range peerInfos {
 104                 dbTx := m.db.Begin()
 105                 if err := m.processPeerInfo(dbTx, peerInfo); err != nil {
 106                         log.WithFields(log.Fields{"peerInfo": peerInfo, "err": err}).Error("processPeerInfo")
 107                         dbTx.Rollback()
 108                 } else {
 109                         dbTx.Commit()
 110                 }
 111         }
 112 }
 113
 114 func (m *monitor) processPeerInfo(dbTx *gorm.DB, peerInfo *peers.PeerInfo) error {
 115         xPub := &chainkd.XPub{}
 116         if err := xPub.UnmarshalText([]byte(peerInfo.ID)); err != nil {
 117                 return err
 118         }
 119
 120         ormNode := &orm.Node{}
 121         if err := dbTx.Model(&orm.Node{}).Where(&orm.Node{PublicKey: xPub.PublicKey().String()}).First(ormNode).Error; err != nil {
 122                 return err
 123         }
 124
 125         if ormNode.Status == common.NodeOfflineStatus {
 126                 return fmt.Errorf("node %s status error", ormNode.PublicKey)
 127         }
 128
 129         log.WithFields(log.Fields{"ping": peerInfo.Ping}).Debug("peerInfo")
 130         ping, err := time.ParseDuration(peerInfo.Ping)
 131         if err != nil {
 132                 return err
 133         }
 134
 135         now := time.Now()
 136         yesterday := now.Add(-24 * time.Hour)
 137         var ormNodeLivenesses []*orm.NodeLiveness
 138         if err := dbTx.Preload("Node").Model(&orm.NodeLiveness{}).
 139                 Where("node_id = ? AND updated_at >= ?", ormNode.ID, yesterday).
 140                 Order(fmt.Sprintf("created_at %s", "DESC")).
 141                 Find(&ormNodeLivenesses).Error; err != nil {
 142                 return err
 143         }
 144
 145         // update latest liveness
 146         latestLiveness := ormNodeLivenesses[0]
 147         lantencyMS := ping.Nanoseconds() / 1000
 148         if lantencyMS != 0 {
 149                 ormNode.AvgLantencyMS = sql.NullInt64{
 150                         Int64: (ormNode.AvgLantencyMS.Int64*int64(latestLiveness.PongTimes) + lantencyMS) / int64(latestLiveness.PongTimes+1),
 151                         Valid: true,
 152                 }
 153         }
 154         latestLiveness.PongTimes += 1
 155         if peerInfo.Height != 0 {
 156                 latestLiveness.BestHeight = peerInfo.Height
 157         }
 158         if err := dbTx.Save(latestLiveness).Error; err != nil {
 159                 return err
 160         }
 161
 162         // calc LatestDailyUptimeMinutes
 163         total := 0 * time.Minute
 164         ormNodeLivenesses[0].UpdatedAt = now
 165         for _, ormNodeLiveness := range ormNodeLivenesses {
 166                 if ormNodeLiveness.CreatedAt.Before(yesterday) {
 167                         ormNodeLiveness.CreatedAt = yesterday
 168                 }
 169
 170                 total += ormNodeLiveness.UpdatedAt.Sub(ormNodeLiveness.CreatedAt)
 171         }
 172
 173         return dbTx.Model(&orm.Node{}).Where(&orm.Node{PublicKey: xPub.PublicKey().String()}).
 174                 UpdateColumn(&orm.Node{
 175                         Alias:                    peerInfo.Moniker,
 176                         Xpub:                     peerInfo.ID,
 177                         BestHeight:               peerInfo.Height,
 178                         LatestDailyUptimeMinutes: uint64(total.Minutes()),
 179                 }).First(ormNode).Error
 180 }