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