93 lines
2.2 KiB
Go
93 lines
2.2 KiB
Go
// Copyright (C) 2014 Jakob Borg and other contributors. All rights reserved.
|
|
// Use of this source code is governed by an MIT-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
package model
|
|
|
|
import (
|
|
"fmt"
|
|
"path/filepath"
|
|
|
|
"github.com/calmh/syncthing/protocol"
|
|
"github.com/calmh/syncthing/scanner"
|
|
)
|
|
|
|
func fileFromFileInfo(f protocol.FileInfo) scanner.File {
|
|
var blocks = make([]scanner.Block, len(f.Blocks))
|
|
var offset int64
|
|
for i, b := range f.Blocks {
|
|
blocks[i] = scanner.Block{
|
|
Offset: offset,
|
|
Size: b.Size,
|
|
Hash: b.Hash,
|
|
}
|
|
offset += int64(b.Size)
|
|
}
|
|
return scanner.File{
|
|
// Name is with native separator and normalization
|
|
Name: filepath.FromSlash(f.Name),
|
|
Size: offset,
|
|
Flags: f.Flags &^ protocol.FlagInvalid,
|
|
Modified: f.Modified,
|
|
Version: f.Version,
|
|
Blocks: blocks,
|
|
Suppressed: f.Flags&protocol.FlagInvalid != 0,
|
|
}
|
|
}
|
|
|
|
func fileInfoFromFile(f scanner.File) protocol.FileInfo {
|
|
var blocks = make([]protocol.BlockInfo, len(f.Blocks))
|
|
for i, b := range f.Blocks {
|
|
blocks[i] = protocol.BlockInfo{
|
|
Size: b.Size,
|
|
Hash: b.Hash,
|
|
}
|
|
}
|
|
pf := protocol.FileInfo{
|
|
Name: filepath.ToSlash(f.Name),
|
|
Flags: f.Flags,
|
|
Modified: f.Modified,
|
|
Version: f.Version,
|
|
Blocks: blocks,
|
|
}
|
|
if f.Suppressed {
|
|
pf.Flags |= protocol.FlagInvalid
|
|
}
|
|
return pf
|
|
}
|
|
|
|
func cmMap(cm protocol.ClusterConfigMessage) map[string]map[string]uint32 {
|
|
m := make(map[string]map[string]uint32)
|
|
for _, repo := range cm.Repositories {
|
|
m[repo.ID] = make(map[string]uint32)
|
|
for _, node := range repo.Nodes {
|
|
m[repo.ID][node.ID] = node.Flags
|
|
}
|
|
}
|
|
return m
|
|
}
|
|
|
|
type ClusterConfigMismatch error
|
|
|
|
// compareClusterConfig returns nil for two equivalent configurations,
|
|
// otherwise a decriptive error
|
|
func compareClusterConfig(local, remote protocol.ClusterConfigMessage) error {
|
|
lm := cmMap(local)
|
|
rm := cmMap(remote)
|
|
|
|
for repo, lnodes := range lm {
|
|
_ = lnodes
|
|
if rnodes, ok := rm[repo]; ok {
|
|
for node, lflags := range lnodes {
|
|
if rflags, ok := rnodes[node]; ok {
|
|
if lflags&protocol.FlagShareBits != rflags&protocol.FlagShareBits {
|
|
return ClusterConfigMismatch(fmt.Errorf("remote has different sharing flags for node %q in repository %q", node, repo))
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|