mirror of
https://github.com/octoleo/syncthing.git
synced 2024-12-23 03:18:59 +00:00
fa0101bd60
This changes the BEP protocol to use protocol buffer serialization instead of XDR, and therefore also the database format. The local discovery protocol is also updated to be protocol buffer format. GitHub-Pull-Request: https://github.com/syncthing/syncthing/pull/3276 LGTM: AudriusButkevicius
95 lines
2.2 KiB
Go
95 lines
2.2 KiB
Go
// Copyright (C) 2015 The Syncthing Authors.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at http://mozilla.org/MPL/2.0/.
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package main
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import (
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"container/heap"
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"encoding/binary"
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"fmt"
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"github.com/syncthing/syncthing/lib/db"
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)
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type SizedElement struct {
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key string
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size int
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}
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type ElementHeap []SizedElement
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func (h ElementHeap) Len() int { return len(h) }
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func (h ElementHeap) Less(i, j int) bool { return h[i].size > h[j].size }
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func (h ElementHeap) Swap(i, j int) { h[i], h[j] = h[j], h[i] }
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func (h *ElementHeap) Push(x interface{}) {
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*h = append(*h, x.(SizedElement))
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}
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func (h *ElementHeap) Pop() interface{} {
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old := *h
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n := len(old)
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x := old[n-1]
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*h = old[0 : n-1]
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return x
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}
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func dumpsize(ldb *db.Instance) {
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h := &ElementHeap{}
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heap.Init(h)
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it := ldb.NewIterator(nil, nil)
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var ele SizedElement
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for it.Next() {
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key := it.Key()
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switch key[0] {
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case db.KeyTypeDevice:
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folder := binary.BigEndian.Uint32(key[1:])
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device := binary.BigEndian.Uint32(key[1+4:])
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name := nulString(key[1+4+4:])
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ele.key = fmt.Sprintf("DEVICE:%d:%d:%s", folder, device, name)
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case db.KeyTypeGlobal:
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folder := binary.BigEndian.Uint32(key[1:])
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name := nulString(key[1+4:])
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ele.key = fmt.Sprintf("GLOBAL:%d:%s", folder, name)
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case db.KeyTypeBlock:
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folder := binary.BigEndian.Uint32(key[1:])
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hash := key[1+4 : 1+4+32]
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name := nulString(key[1+4+32:])
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ele.key = fmt.Sprintf("BLOCK:%d:%x:%s", folder, hash, name)
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case db.KeyTypeDeviceStatistic:
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ele.key = fmt.Sprintf("DEVICESTATS:%s", key[1:])
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case db.KeyTypeFolderStatistic:
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ele.key = fmt.Sprintf("FOLDERSTATS:%s", key[1:])
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case db.KeyTypeVirtualMtime:
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ele.key = fmt.Sprintf("MTIME:%s", key[1:])
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case db.KeyTypeFolderIdx:
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id := binary.BigEndian.Uint32(key[1:])
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ele.key = fmt.Sprintf("FOLDERIDX:%d", id)
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case db.KeyTypeDeviceIdx:
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id := binary.BigEndian.Uint32(key[1:])
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ele.key = fmt.Sprintf("DEVICEIDX:%d", id)
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default:
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ele.key = fmt.Sprintf("UNKNOWN:%x", key)
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}
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ele.size = len(it.Value())
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heap.Push(h, ele)
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}
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for h.Len() > 0 {
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ele = heap.Pop(h).(SizedElement)
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fmt.Println(ele.key, ele.size)
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}
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}
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