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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