95 lines
2.4 KiB
Go
95 lines
2.4 KiB
Go
// Copyright (C) 2018 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 https://mozilla.org/MPL/2.0/.
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package db
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import (
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"encoding/json"
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"io"
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"os"
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"github.com/syncthing/syncthing/lib/fs"
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"github.com/syncthing/syncthing/lib/protocol"
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"github.com/syndtr/goleveldb/leveldb"
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"github.com/syndtr/goleveldb/leveldb/storage"
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"github.com/syndtr/goleveldb/leveldb/util"
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)
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// writeJSONS serializes the database to a JSON stream that can be checked
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// in to the repo and used for tests.
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func writeJSONS(w io.Writer, db *leveldb.DB) {
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it := db.NewIterator(&util.Range{}, nil)
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defer it.Release()
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enc := json.NewEncoder(w)
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for it.Next() {
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enc.Encode(map[string][]byte{
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"k": it.Key(),
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"v": it.Value(),
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})
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}
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}
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// openJSONS reads a JSON stream file into a leveldb.DB
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func openJSONS(file string) (*leveldb.DB, error) {
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fd, err := os.Open(file)
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if err != nil {
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return nil, err
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}
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dec := json.NewDecoder(fd)
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db, _ := leveldb.Open(storage.NewMemStorage(), nil)
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for {
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var row map[string][]byte
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err := dec.Decode(&row)
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if err == io.EOF {
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break
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} else if err != nil {
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return nil, err
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}
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db.Put(row["k"], row["v"], nil)
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}
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return db, nil
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}
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func generateIgnoredFilesDB() {
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// This generates a database with files with invalid flags, local and
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// remote, in the format used in 0.14.48.
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db := OpenMemory()
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fs := NewFileSet("test", fs.NewFilesystem(fs.FilesystemTypeBasic, "."), db)
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fs.Update(protocol.LocalDeviceID, []protocol.FileInfo{
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{ // invalid (ignored) file
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Name: "foo",
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Type: protocol.FileInfoTypeFile,
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Invalid: true,
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Version: protocol.Vector{Counters: []protocol.Counter{{ID: 1, Value: 1000}}},
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},
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{ // regular file
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Name: "bar",
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Type: protocol.FileInfoTypeFile,
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Version: protocol.Vector{Counters: []protocol.Counter{{ID: 1, Value: 1001}}},
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},
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})
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fs.Update(protocol.DeviceID{42}, []protocol.FileInfo{
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{ // invalid file
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Name: "baz",
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Type: protocol.FileInfoTypeFile,
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Invalid: true,
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Version: protocol.Vector{Counters: []protocol.Counter{{ID: 42, Value: 1000}}},
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},
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{ // regular file
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Name: "quux",
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Type: protocol.FileInfoTypeFile,
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Version: protocol.Vector{Counters: []protocol.Counter{{ID: 42, Value: 1002}}},
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},
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})
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writeJSONS(os.Stdout, db.DB)
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}
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