package main import ( "flag" "github.com/seaweedfs/seaweedfs/weed/pb" "log" "time" "context" "github.com/seaweedfs/seaweedfs/weed/operation" "github.com/seaweedfs/seaweedfs/weed/security" "github.com/seaweedfs/seaweedfs/weed/storage/needle" util2 "github.com/seaweedfs/seaweedfs/weed/util" "golang.org/x/tools/godoc/util" util_http "github.com/seaweedfs/seaweedfs/weed/util/http" ) var ( master = flag.String("master", "localhost:9333", "master server host and port") volumeId = flag.Int("volumeId", -1, "a volume id") rewindDuration = flag.Duration("rewind", -1, "rewind back in time. -1 means from the first entry. 0 means from now.") timeoutSeconds = flag.Int("timeoutSeconds", 0, "disconnect if no activity after these seconds") showTextFile = flag.Bool("showTextFile", false, "display textual file content") ) func main() { flag.Parse() util_http.InitGlobalHttpClient() util2.LoadSecurityConfiguration() grpcDialOption := security.LoadClientTLS(util2.GetViper(), "grpc.client") vid := needle.VolumeId(*volumeId) var sinceTimeNs int64 if *rewindDuration == 0 { sinceTimeNs = time.Now().UnixNano() } else if *rewindDuration == -1 { sinceTimeNs = 0 } else if *rewindDuration > 0 { sinceTimeNs = time.Now().Add(-*rewindDuration).UnixNano() } err := operation.TailVolume(func(_ context.Context) pb.ServerAddress { return pb.ServerAddress(*master) }, grpcDialOption, vid, uint64(sinceTimeNs), *timeoutSeconds, func(n *needle.Needle) (err error) { if n.Size == 0 { println("-", n.String()) return nil } else { println("+", n.String()) } if *showTextFile { data := n.Data if n.IsCompressed() { if data, err = util2.DecompressData(data); err != nil { return err } } if util.IsText(data) { println(string(data)) } println("-", n.String(), "compressed", n.IsCompressed(), "original size", len(data)) } return nil }) if err != nil { log.Printf("Error VolumeTailSender volume %d: %v", vid, err) } }