func main() {
flagSetName := os.Args[0]
flagSet := flag.NewFlagSet(flagSetName, flag.ExitOnError)
dbDirPtr := flagSet.String("dbDir", "", "path to db dump")
flagSet.Parse(os.Args[1:])
dbDir := *dbDirPtr
if dbDir == "" {
fmt.Fprintf(os.Stderr, "Usage of %s:\n", flagSetName)
flagSet.PrintDefaults()
os.Exit(3)
}
viper.Set("peer.fileSystemPath", dbDir)
fmt.Printf("dbDir = [%s]\n", dbDir)
// check that dbDir exists
if _, err := os.Stat(dbDir); os.IsNotExist(err) {
fmt.Fprintln(os.Stderr, "dbDir does not exist")
os.Exit(4)
}
if _, err := os.Stat(dbDir + "/db"); os.IsNotExist(err) {
fmt.Fprintln(os.Stderr, "dbDir does not contain a sub-dir named 'db'")
os.Exit(5)
}
db.Start()
openchainDB := db.GetDBHandle()
defer db.Stop()
fmt.Println()
scan(openchainDB, "blockchainCF", openchainDB.BlockchainCF, blockDetailPrinter)
fmt.Println()
scan(openchainDB, "persistCF", openchainDB.PersistCF, nil)
fmt.Println()
printLiveFilesMetaData(openchainDB)
fmt.Println()
printProperties(openchainDB)
fmt.Println()
}
func serve(args []string) error {
// Parameter overrides must be processed before any paramaters are
// cached. Failures to cache cause the server to terminate immediately.
if chaincodeDevMode {
logger.Info("Running in chaincode development mode")
logger.Info("Set consensus to NOOPS and user starts chaincode")
logger.Info("Disable loading validity system chaincode")
viper.Set("peer.validator.enabled", "true")
viper.Set("peer.validator.consensus", "noops")
viper.Set("chaincode.mode", chaincode.DevModeUserRunsChaincode)
}
if err := peer.CacheConfiguration(); err != nil {
return err
}
peerEndpoint, err := peer.GetPeerEndpoint()
if err != nil {
err = fmt.Errorf("Failed to get Peer Endpoint: %s", err)
return err
}
listenAddr := viper.GetString("peer.listenAddress")
if "" == listenAddr {
logger.Debug("Listen address not specified, using peer endpoint address")
listenAddr = peerEndpoint.Address
}
lis, err := net.Listen("tcp", listenAddr)
if err != nil {
grpclog.Fatalf("Failed to listen: %v", err)
}
ehubLis, ehubGrpcServer, err := createEventHubServer()
if err != nil {
grpclog.Fatalf("Failed to create ehub server: %v", err)
}
logger.Infof("Security enabled status: %t", core.SecurityEnabled())
if viper.GetBool("security.privacy") {
if core.SecurityEnabled() {
logger.Infof("Privacy enabled status: true")
} else {
panic(errors.New("Privacy cannot be enabled as requested because security is disabled"))
}
} else {
logger.Infof("Privacy enabled status: false")
}
db.Start()
var opts []grpc.ServerOption
if comm.TLSEnabled() {
creds, err := credentials.NewServerTLSFromFile(viper.GetString("peer.tls.cert.file"),
viper.GetString("peer.tls.key.file"))
if err != nil {
grpclog.Fatalf("Failed to generate credentials %v", err)
}
opts = []grpc.ServerOption{grpc.Creds(creds)}
}
grpcServer := grpc.NewServer(opts...)
secHelper, err := getSecHelper()
if err != nil {
return err
}
secHelperFunc := func() crypto.Peer {
return secHelper
}
registerChaincodeSupport(chaincode.DefaultChain, grpcServer, secHelper)
var peerServer *peer.Impl
// Create the peerServer
if peer.ValidatorEnabled() {
logger.Debug("Running as validating peer - making genesis block if needed")
makeGenesisError := genesis.MakeGenesis()
if makeGenesisError != nil {
return makeGenesisError
}
logger.Debugf("Running as validating peer - installing consensus %s",
viper.GetString("peer.validator.consensus"))
peerServer, err = peer.NewPeerWithEngine(secHelperFunc, helper.GetEngine)
} else {
logger.Debug("Running as non-validating peer")
peerServer, err = peer.NewPeerWithHandler(secHelperFunc, peer.NewPeerHandler)
}
if err != nil {
logger.Fatalf("Failed creating new peer with handler %v", err)
return err
}
// Register the Peer server
pb.RegisterPeerServer(grpcServer, peerServer)
// Register the Admin server
pb.RegisterAdminServer(grpcServer, core.NewAdminServer())
// Register Devops server
serverDevops := core.NewDevopsServer(peerServer)
pb.RegisterDevopsServer(grpcServer, serverDevops)
// Register the ServerOpenchain server
serverOpenchain, err := rest.NewOpenchainServerWithPeerInfo(peerServer)
if err != nil {
err = fmt.Errorf("Error creating OpenchainServer: %s", err)
return err
}
pb.RegisterOpenchainServer(grpcServer, serverOpenchain)
// Create and register the REST service if configured
if viper.GetBool("rest.enabled") {
go rest.StartOpenchainRESTServer(serverOpenchain, serverDevops)
}
logger.Infof("Starting peer with ID=%s, network ID=%s, address=%s, rootnodes=%v, validator=%v",
peerEndpoint.ID, viper.GetString("peer.networkId"), peerEndpoint.Address,
viper.GetString("peer.discovery.rootnode"), peer.ValidatorEnabled())
// Start the grpc server. Done in a goroutine so we can deploy the
// genesis block if needed.
serve := make(chan error)
sigs := make(chan os.Signal, 1)
signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
go func() {
sig := <-sigs
fmt.Println()
fmt.Println(sig)
serve <- nil
}()
go func() {
var grpcErr error
if grpcErr = grpcServer.Serve(lis); grpcErr != nil {
grpcErr = fmt.Errorf("grpc server exited with error: %s", grpcErr)
} else {
logger.Info("grpc server exited")
}
serve <- grpcErr
}()
if err := writePid(viper.GetString("peer.fileSystemPath")+"/peer.pid", os.Getpid()); err != nil {
return err
}
// Start the event hub server
if ehubGrpcServer != nil && ehubLis != nil {
go ehubGrpcServer.Serve(ehubLis)
}
if viper.GetBool("peer.profile.enabled") {
go func() {
profileListenAddress := viper.GetString("peer.profile.listenAddress")
logger.Infof("Starting profiling server with listenAddress = %s", profileListenAddress)
if profileErr := http.ListenAndServe(profileListenAddress, nil); profileErr != nil {
logger.Errorf("Error starting profiler: %s", profileErr)
}
}()
}
// Block until grpc server exits
return <-serve
}