Example #1
0
func printRaftLogEntry(kv engine.MVCCKeyValue) (bool, error) {
	var meta engine.MVCCMetadata
	if err := meta.Unmarshal(kv.Value); err != nil {
		return false, err
	}
	value := roachpb.Value{
		RawBytes: meta.RawBytes,
	}
	var ent raftpb.Entry
	if err := value.GetProto(&ent); err != nil {
		return false, err
	}
	if len(ent.Data) > 0 {
		_, cmdData := storage.DecodeRaftCommand(ent.Data)
		var cmd roachpb.RaftCommand
		if err := cmd.Unmarshal(cmdData); err != nil {
			return false, err
		}
		ent.Data = nil
		fmt.Printf("%s\n", &ent)
		fmt.Printf("%s\n", &cmd)
	} else {
		fmt.Printf("%s: EMPTY\n", &ent)
	}
	return false, nil
}
Example #2
0
func tryRaftLogEntry(kv engine.MVCCKeyValue) (string, error) {
	var ent raftpb.Entry
	if err := maybeUnmarshalInline(kv.Value, &ent); err != nil {
		return "", err
	}
	if ent.Type == raftpb.EntryNormal {
		if len(ent.Data) > 0 {
			_, cmdData := storage.DecodeRaftCommand(ent.Data)
			var cmd roachpb.RaftCommand
			if err := cmd.Unmarshal(cmdData); err != nil {
				return "", err
			}
			ent.Data = nil
			return fmt.Sprintf("%s by %v\n%s\n%s\n", &ent, cmd.OriginReplica, &cmd.Cmd, &cmd), nil
		}
		return fmt.Sprintf("%s: EMPTY\n", &ent), nil
	} else if ent.Type == raftpb.EntryConfChange {
		var cc raftpb.ConfChange
		if err := cc.Unmarshal(ent.Data); err != nil {
			return "", err
		}
		var ctx storage.ConfChangeContext
		if err := ctx.Unmarshal(cc.Context); err != nil {
			return "", err
		}
		var cmd roachpb.RaftCommand
		if err := cmd.Unmarshal(ctx.Payload); err != nil {
			return "", err
		}
		ent.Data = nil
		return fmt.Sprintf("%s\n%s\n", &ent, &cmd), nil
	}
	return "", fmt.Errorf("Unknown log entry type: %s\n", &ent)
}