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rebuilddb.go
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rebuilddb.go
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package main
import (
"fmt"
"os"
"os/signal"
"runtime/pprof"
"sync"
"github.com/btcsuite/btclog"
"github.com/dcrdata/dcrdata/db/dcrsqlite"
"github.com/dcrdata/dcrdata/rpcutils"
"github.com/decred/dcrd/rpcclient"
)
var (
backendLog *btclog.Backend
rpcclientLogger btclog.Logger
sqliteLogger btclog.Logger
)
func init() {
err := InitLogger()
if err != nil {
fmt.Printf("Unable to start logger: %v", err)
os.Exit(1)
}
backendLog = btclog.NewBackend(log.Writer())
rpcclientLogger = backendLog.Logger("RPC")
rpcclient.UseLogger(rpcclientLogger)
sqliteLogger = backendLog.Logger("DSQL")
dcrsqlite.UseLogger(rpcclientLogger)
}
func mainCore() int {
// Parse the configuration file, and setup logger.
cfg, err := loadConfig()
if err != nil {
fmt.Printf("Failed to load dcrdata config: %s\n", err.Error())
return 1
}
if cfg.CPUProfile != "" {
f, err := os.Create(cfg.CPUProfile)
if err != nil {
log.Fatal(err)
return -1
}
pprof.StartCPUProfile(f)
defer pprof.StopCPUProfile()
}
// Connect to node RPC server
client, _, err := rpcutils.ConnectNodeRPC(cfg.DcrdServ, cfg.DcrdUser,
cfg.DcrdPass, cfg.DcrdCert, cfg.DisableDaemonTLS)
if err != nil {
log.Fatalf("Unable to connect to RPC server: %v", err)
return 1
}
infoResult, err := client.GetInfo()
if err != nil {
log.Errorf("GetInfo failed: %v", err)
return 1
}
log.Info("Node connection count: ", infoResult.Connections)
_, _, err = client.GetBestBlock()
if err != nil {
log.Error("GetBestBlock failed: ", err)
return 2
}
// Sqlite output
dbInfo := dcrsqlite.DBInfo{FileName: cfg.DBFileName}
//sqliteDB, err := dcrsqlite.InitDB(&dbInfo)
sqliteDB, cleanupDB, err := dcrsqlite.InitWiredDB(&dbInfo, nil, client, activeChain)
defer cleanupDB()
if err != nil {
log.Errorf("Unable to initialize SQLite database: %v", err)
}
log.Infof("SQLite DB successfully opened: %s", cfg.DBFileName)
defer sqliteDB.Close()
// Ctrl-C to shut down.
// Nothing should be sent the quit channel. It should only be closed.
quit := make(chan struct{})
// Only accept a single CTRL+C
c := make(chan os.Signal, 1)
signal.Notify(c, os.Interrupt)
// Start waiting for the interrupt signal
go func() {
<-c
signal.Stop(c)
// Close the channel so multiple goroutines can get the message
log.Infof("CTRL+C hit. Closing goroutines. Please wait.")
close(quit)
}()
// Resync db
var waitSync sync.WaitGroup
waitSync.Add(1)
//go sqliteDB.SyncDB(&waitSync, quit)
var height int64
height, err = sqliteDB.SyncDBWithPoolValue(&waitSync, quit)
if err != nil {
log.Error(err)
}
waitSync.Wait()
log.Printf("Done at height %d!", height)
return 0
}
func main() {
os.Exit(mainCore())
}