debug.go

package chotki

import (
	"fmt"
	"github.com/cockroachdb/pebble"
	"github.com/drpcorg/chotki/rdx"
	"io"
)

func ChotkiKVString(key, value []byte) string {
	if len(key) != LidLKeyLen {
		return ""
	}
	line := make([]byte, 0, 128)
	//line = append(line, key[0], '.')
	id, rdt := OKeyIdRdt(key)
	line = append(line, id.String()...)
	line = append(line, '.', byte(rdt), ':', '\t')
	line = append(line, rdx.Xstring(rdt, value)...)
	return string(line)
}

func (cho *Chotki) DumpAll(writer io.Writer) {
	cho.DumpObjects(writer)
	fmt.Fprintln(writer, "")
	cho.DumpVV(writer)
}

func (cho *Chotki) DumpObjects(writer io.Writer) {
	io := pebble.IterOptions{
		LowerBound: []byte{'O'},
		UpperBound: []byte{'P'},
	}
	i := cho.db.NewIter(&io)
	defer i.Close()
	for i.SeekGE([]byte{'O'}); i.Valid(); i.Next() {
		fmt.Fprintln(writer, ChotkiKVString(i.Key(), i.Value()))
	}
}

func (cho *Chotki) DumpVV(writer io.Writer) {
	io := pebble.IterOptions{
		LowerBound: []byte{'V'},
		UpperBound: []byte{'W'},
	}
	i := cho.db.NewIter(&io)
	defer i.Close()
	for i.SeekGE(VKey(rdx.ID0)); i.Valid(); i.Next() {
		id := rdx.IDFromBytes(i.Key()[1:])
		vv := make(rdx.VV)
		_ = vv.PutTLV(i.Value())
		fmt.Fprintln(writer, id.String(), " -> ", vv.String())
	}
}