You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
75 lines
1.4 KiB
75 lines
1.4 KiB
package main
|
|
|
|
import (
|
|
"flag"
|
|
"fmt"
|
|
"io"
|
|
"log"
|
|
"os"
|
|
|
|
"github.com/golang/protobuf/proto"
|
|
|
|
"github.com/chrislusf/seaweedfs/weed/filer"
|
|
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
|
|
"github.com/chrislusf/seaweedfs/weed/util"
|
|
)
|
|
|
|
var (
|
|
logdataFile = flag.String("logdata", "", "log data file saved under "+ filer.SystemLogDir)
|
|
)
|
|
|
|
func main() {
|
|
flag.Parse()
|
|
|
|
dst, err := os.OpenFile(*logdataFile, os.O_RDONLY, 0644)
|
|
if err != nil {
|
|
log.Fatalf("failed to open %s: %v", *logdataFile, err)
|
|
}
|
|
defer dst.Close()
|
|
|
|
err = walkLogEntryFile(dst)
|
|
if err != nil {
|
|
log.Fatalf("failed to visit %s: %v", *logdataFile, err)
|
|
}
|
|
|
|
}
|
|
|
|
func walkLogEntryFile(dst *os.File) error {
|
|
|
|
sizeBuf := make([]byte, 4)
|
|
|
|
for {
|
|
if n, err := dst.Read(sizeBuf); n != 4 {
|
|
if err == io.EOF {
|
|
return nil
|
|
}
|
|
return err
|
|
}
|
|
|
|
size := util.BytesToUint32(sizeBuf)
|
|
|
|
data := make([]byte, int(size))
|
|
|
|
if n, err := dst.Read(data); n != len(data) {
|
|
return err
|
|
}
|
|
|
|
logEntry := &filer_pb.LogEntry{}
|
|
err := proto.Unmarshal(data, logEntry)
|
|
if err != nil {
|
|
log.Printf("unexpected unmarshal filer_pb.LogEntry: %v", err)
|
|
return nil
|
|
}
|
|
|
|
event := &filer_pb.SubscribeMetadataResponse{}
|
|
err = proto.Unmarshal(logEntry.Data, event)
|
|
if err != nil {
|
|
log.Printf("unexpected unmarshal filer_pb.SubscribeMetadataResponse: %v", err)
|
|
return nil
|
|
}
|
|
|
|
fmt.Printf("event: %+v\n", event)
|
|
|
|
}
|
|
|
|
}
|