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db.go
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db.go
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// ArchIt logging routine
// Originally work created on 1/7/2017
//
package server
import (
"fmt"
"github.com/boltdb/bolt"
"github.com/goarchit/archit/log"
"github.com/goarchit/archit/util"
"time"
)
var PeersDB *bolt.DB
var TrackingDB *bolt.DB
var err error
func DB(c chan string) {
// Start the DBs
PeersDB, err = bolt.Open(util.DBDir+"/Peers.bolt", 0600, &bolt.Options{Timeout: 2 * time.Second})
if err != nil {
log.Critical("DB Error opening Peers.bolt:", err)
}
defer PeersDB.Close()
TrackingDB, err = bolt.Open(util.DBDir+"/Tracking.bolt", 0600, &bolt.Options{Timeout: 2 * time.Second})
if err != nil {
log.Critical("DB Error opening Tracking.bolt:", err)
}
defer TrackingDB.Close()
// Now go process commands
cmd := <-c
for cmd != "stop" {
switch cmd {
case "status":
c <- dbStatus()
default:
log.Error("DB passed unknown command", cmd)
}
cmd = <-c
}
c <- "DB shutdown complete"
}
func dbStatus() string {
stats := PeersDB.Stats()
response := fmt.Sprintf("Peers.bolt Reads: %d, Writes: %d, Nodes: %d, Rebalances: %d Splits: %d\n",
stats.TxN, stats.TxStats.Write, stats.TxStats.NodeCount, stats.TxStats.Rebalance, stats.TxStats.Split)
stats = TrackingDB.Stats()
response += fmt.Sprintf("Tracking.bolt Reads: %d, Writes: %d, Nodes: %d, Rebalances: %d Splits: %d\n",
stats.TxN, stats.TxStats.Write, stats.TxStats.NodeCount, stats.TxStats.Rebalance, stats.TxStats.Split)
return response
}