Merge pull request #541 from alex2108/master

This commit is contained in:
Jakob Borg 2014-08-22 17:58:01 +02:00
commit 586d49f0c3
5 changed files with 395 additions and 12 deletions

File diff suppressed because one or more lines are too long

View File

@ -686,9 +686,22 @@ syncthing.controller('SyncthingCtrl', function ($scope, $http, $translate, $loca
});
if ($scope.currentRepo.Versioning && $scope.currentRepo.Versioning.Type === "simple") {
$scope.currentRepo.simpleFileVersioning = true;
$scope.currentRepo.FileVersioningSelector = "simple";
$scope.currentRepo.simpleKeep = +$scope.currentRepo.Versioning.Params.keep;
} else if ($scope.currentRepo.Versioning && $scope.currentRepo.Versioning.Type === "staggered") {
$scope.currentRepo.staggeredFileVersioning = true;
$scope.currentRepo.FileVersioningSelector = "staggered";
$scope.currentRepo.staggeredMaxAge = +$scope.currentRepo.Versioning.Params.maxAge;
$scope.currentRepo.staggeredCleanInterval = +$scope.currentRepo.Versioning.Params.cleanInterval;
$scope.currentRepo.staggeredVersionsPath = $scope.currentRepo.Versioning.Params.versionsPath;
} else {
$scope.currentRepo.FileVersioningSelector = "none";
}
$scope.currentRepo.simpleKeep = $scope.currentRepo.simpleKeep || 5;
$scope.currentRepo.staggeredMaxAge = $scope.currentRepo.staggeredMaxAge || 31536000;
$scope.currentRepo.staggeredCleanInterval = $scope.currentRepo.staggeredCleanInterval || 3600;
$scope.currentRepo.staggeredVersionsPath = $scope.currentRepo.staggeredVersionsPath || "";
$scope.editingExisting = true;
$scope.repoEditor.$setPristine();
$('#editRepo').modal();
@ -696,6 +709,11 @@ syncthing.controller('SyncthingCtrl', function ($scope, $http, $translate, $loca
$scope.addRepo = function () {
$scope.currentRepo = {selectedNodes: {}};
$scope.currentRepo.FileVersioningSelector = "none";
$scope.currentRepo.simpleKeep = 5;
$scope.currentRepo.staggeredMaxAge = 31536000;
$scope.currentRepo.staggeredCleanInterval = 3600;
$scope.currentRepo.staggeredVersionsPath = "";
$scope.editingExisting = false;
$scope.repoEditor.$setPristine();
$('#editRepo').modal();
@ -715,7 +733,7 @@ syncthing.controller('SyncthingCtrl', function ($scope, $http, $translate, $loca
}
delete repoCfg.selectedNodes;
if (repoCfg.simpleFileVersioning) {
if (repoCfg.FileVersioningSelector === "simple") {
repoCfg.Versioning = {
'Type': 'simple',
'Params': {
@ -724,6 +742,20 @@ syncthing.controller('SyncthingCtrl', function ($scope, $http, $translate, $loca
};
delete repoCfg.simpleFileVersioning;
delete repoCfg.simpleKeep;
} else if (repoCfg.FileVersioningSelector === "staggered") {
repoCfg.Versioning = {
'Type': 'staggered',
'Params': {
'maxAge': '' + repoCfg.staggeredMaxAge,
'cleanInterval': '' + repoCfg.staggeredCleanInterval,
'versionsPath': '' + repoCfg.staggeredVersionsPath,
}
};
delete repoCfg.staggeredFileVersioning;
delete repoCfg.staggeredMaxAge;
delete repoCfg.staggeredCleanInterval;
delete repoCfg.staggeredVersionsPath;
} else {
delete repoCfg.Versioning;
}

View File

@ -540,14 +540,25 @@
</div>
<div class="col-md-6">
<div class="form-group">
<div class="checkbox">
<label translate>File Versioning</label>
<div class="radio">
<label>
<input type="checkbox" ng-model="currentRepo.simpleFileVersioning"> <span translate>File Versioning</span>
<input type="radio" ng-model="currentRepo.FileVersioningSelector" value="none"> <span translate>No File Versioning</span>
</label>
</div>
<div class="radio">
<label>
<input type="radio" ng-model="currentRepo.FileVersioningSelector" value="simple"> <span translate>Simple File Versioning</span>
</label>
</div>
<div class="radio">
<label>
<input type="radio" ng-model="currentRepo.FileVersioningSelector" value="staggered"> <span translate>Staggered File Versioning</span>
</label>
</div>
<p translate class="help-block">Files are moved to date stamped versions in a .stversions folder when replaced or deleted by syncthing.</p>
</div>
<div class="form-group" ng-if="currentRepo.simpleFileVersioning" ng-class="{'has-error': repoEditor.simpleKeep.$invalid && repoEditor.simpleKeep.$dirty}">
<div class="form-group" ng-if="currentRepo.FileVersioningSelector=='simple'" ng-class="{'has-error': repoEditor.simpleKeep.$invalid && repoEditor.simpleKeep.$dirty}">
<p translate class="help-block">Files are moved to date stamped versions in a .stversions folder when replaced or deleted by syncthing.</p>
<label translate for="simpleKeep">Keep Versions</label>
<input name="simpleKeep" id="simpleKeep" class="form-control" type="number" ng-model="currentRepo.simpleKeep" required min="1"></input>
<p class="help-block">
@ -556,7 +567,30 @@
<span translate ng-if="repoEditor.simpleKeep.$error.min && repoEditor.simpleKeep.$dirty">You must keep at least one version.</span>
</p>
</div>
<div class="form-group" ng-if="currentRepo.FileVersioningSelector=='staggered'" ng-class="{'has-error': repoEditor.staggeredMaxAge.$invalid && repoEditor.staggeredMaxAge.$dirty}">
<p translate class="help-block">Files are moved to date stamped versions in a .stversions folder when replaced or deleted by syncthing. Versions are automatically deleted if they are over the set maximum age or too many files are in a interval.</p>
<p translate class="help-block">The following intervals are used: for the first hour a version is kept every 30 seconds, for the first day a version is kept every hour, for the first 30 days a version is kept every day, until the maximum age a version is kept every week.</p>
<label translate for="staggeredMaxAge">Maximum Age</label>
<input name="staggeredMaxAge" id="staggeredMaxAge" class="form-control" type="number" ng-model="currentRepo.staggeredMaxAge" required></input>
<p class="help-block">
<span translate ng-if="repoEditor.staggeredMaxAge.$valid || repoEditor.staggeredMaxAge.$pristine">The maximum time to keep a version in seconds, -1 keeps versions forever.</span>
<span translate ng-if="repoEditor.staggeredMaxAge.$error.required && repoEditor.staggeredMaxAge.$dirty">The maximum age must be a number and cannot be blank.</span>
</p>
</div>
<div class="form-group" ng-if="currentRepo.FileVersioningSelector=='staggered'" ng-class="{'has-error': repoEditor.staggeredCleanInterval.$invalid && repoEditor.staggeredCleanInterval.$dirty}">
<label translate for="staggeredCleanInterval">Clean Interval</label>
<input name="staggeredCleanInterval" id="staggeredCleanInterval" class="form-control" type="number" ng-model="currentRepo.staggeredCleanInterval" required min="1"></input>
<p class="help-block">
<span translate ng-if="repoEditor.staggeredCleanInterval.$valid || repoEditor.staggeredCleanInterval.$pristine">The interval to clean versions in seconds.</span>
<span translate ng-if="repoEditor.staggeredCleanInterval.$error.required && repoEditor.staggeredCleanInterval.$dirty">The clean interval must be a number and cannot be blank.</span>
<span translate ng-if="repoEditor.staggeredCleanInterval.$error.min && repoEditor.staggeredCleanInterval.$dirty">Clean Interval has to be greater than 0.</span>
</p>
</div>
<div class="form-group" ng-if="currentRepo.FileVersioningSelector=='staggered'">
<label translate for="staggeredVersionsPath">Versions Path</label>
<input name="staggeredVersionsPath" placeholder="" id="staggeredVersionsPath" class="form-control" type="text" ng-model="currentRepo.staggeredVersionsPath"></input>
<p translate class="help-block">Path where versions should be stored, leave empty to put them in .stversions folder in the repository.</p>
</div>
</div>
</div>
</form>

View File

@ -47,11 +47,15 @@ func NewSimple(repoID, repoPath string, params map[string]string) Versioner {
// nil, the named file does not exist any more (has been archived).
func (v Simple) Archive(filePath string) error {
_, err := os.Stat(filePath)
if err != nil && os.IsNotExist(err) {
if debug {
l.Debugln("not archiving nonexistent file", filePath)
if err != nil {
if os.IsNotExist(err) {
if debug {
l.Debugln("not archiving nonexistent file", filePath)
}
return nil
} else {
return err
}
return nil
}
versionsDir := filepath.Join(v.repoPath, ".stversions")

313
versioner/staggered.go Normal file
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@ -0,0 +1,313 @@
// Copyright (C) 2014 Jakob Borg and Contributors (see the CONTRIBUTORS file).
// All rights reserved. Use of this source code is governed by an MIT-style
// license that can be found in the LICENSE file.
package versioner
import (
"fmt"
"github.com/syncthing/syncthing/osutil"
"io/ioutil"
"os"
"path/filepath"
"sort"
"strconv"
"strings"
"sync"
"time"
)
func init() {
// Register the constructor for this type of versioner with the name "staggered"
Factories["staggered"] = NewStaggered
}
type Interval struct {
step int64
end int64
}
// The type holds our configuration
type Staggered struct {
versionsPath string
cleanInterval int64
repoPath string
interval [4]Interval
mutex *sync.Mutex
}
// Check if file or dir
func isFile(path string) bool {
fileordir := path
file, err := os.Open(fileordir)
if err != nil {
l.Infoln("versioner isFile:", err)
return false
}
defer file.Close()
fileInfo, err := file.Stat()
if err != nil {
l.Infoln("versioner isFile:", err)
return false
}
return fileInfo.Mode().IsRegular()
}
// The constructor function takes a map of parameters and creates the type.
func NewStaggered(repoID, repoPath string, params map[string]string) Versioner {
maxAge, err := strconv.ParseInt(params["maxAge"], 10, 0)
if err != nil {
maxAge = 31536000 // Default: ~1 year
}
cleanInterval, err := strconv.ParseInt(params["cleanInterval"], 10, 0)
if err != nil {
cleanInterval = 3600 // Default: clean once per hour
}
// Use custom path if set, otherwise .stversions in repoPath
var versionsDir string
if params["versionsPath"] == "" {
if debug {
l.Debugln("using default dir .stversions")
}
versionsDir = filepath.Join(repoPath, ".stversions")
} else {
if debug {
l.Debugln("using dir", params["versionsPath"])
}
versionsDir = params["versionsPath"]
}
var mutex sync.Mutex
s := Staggered{
versionsPath: versionsDir,
cleanInterval: cleanInterval,
repoPath: repoPath,
interval: [4]Interval{
Interval{30, 3600}, // first hour -> 30 sec between versions
Interval{3600, 86400}, // next day -> 1 h between versions
Interval{86400, 2592000}, // next 30 days -> 1 day between versions
Interval{604800, maxAge}, // next year -> 1 week between versions
},
mutex: &mutex,
}
if debug {
l.Debugf("instantiated %#v", s)
}
go func() {
s.clean()
for _ = range time.Tick(time.Duration(cleanInterval) * time.Second) {
s.clean()
}
}()
return s
}
func (v Staggered) clean() {
if debug {
l.Debugln("Versioner clean: Waiting for lock on", v.versionsPath)
}
v.mutex.Lock()
defer v.mutex.Unlock()
if debug {
l.Debugln("Versioner clean: Cleaning", v.versionsPath)
}
_, err := os.Stat(v.versionsPath)
if err != nil {
if os.IsNotExist(err) {
if debug {
l.Debugln("creating versions dir", v.versionsPath)
}
os.MkdirAll(v.versionsPath, 0755)
osutil.HideFile(v.versionsPath)
} else {
l.Warnln("Versioner: can't create versions dir",err)
}
}
// Using keys of map as set
clean_filelist := make(map[string]struct{})
clean_emptyDirs := make(map[string]struct{})
err = filepath.Walk(v.versionsPath, func(path string, f os.FileInfo, err error) error {
switch mode := f.Mode(); {
case mode.IsDir():
files, _ := ioutil.ReadDir(path)
if len(files) == 0 {
clean_emptyDirs[path] = struct{}{}
}
case mode.IsRegular():
extension := filepath.Ext(path)
name := path[0 : len(path)-len(extension)]
clean_filelist[name] = struct{}{}
}
return nil
})
if err != nil {
l.Warnln("Versioner: error scanning versions dir",err)
}
for k, _ := range clean_filelist {
versions, err := filepath.Glob(k + ".v[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]")
if err != nil {
l.Warnln("Versioner: error finding versions for", k, err)
}
sort.Strings(versions)
expire(versions, v)
}
for k, _ := range clean_emptyDirs {
if k == v.versionsPath {
if debug {
l.Debugln("Cleaner: versions dir is empty, don't delete", k)
}
continue
}
if debug {
l.Debugln("Cleaner: deleting empty directory", k)
}
err = os.Remove(k)
if err != nil {
l.Warnln("Versioner: can't remove directory", k, err)
}
}
if debug {
l.Debugln("Cleaner: Finished cleaning", v.versionsPath)
}
}
func expire(versions []string, v Staggered) {
if debug {
l.Debugln("Versioner: Expiring versions", versions)
}
now := time.Now().Unix()
var prevAge int64
firstFile := true
for _, file := range versions {
if isFile(file) {
versiondate, err := strconv.ParseInt(strings.Replace(filepath.Ext(file), ".v", "", 1), 10, 0)
if err != nil {
l.Warnln("Versioner expire: file", file, "is invalid")
continue
}
age := now - versiondate
var usedInterval Interval
for _, usedInterval = range v.interval { // Find the interval the file fits in
if age < usedInterval.end {
break
}
}
if lastIntv := v.interval[len(v.interval)-1]; lastIntv.end != -1 && age > lastIntv.end {
if debug {
l.Debugln("Versioner: File over maximum age -> delete ", file)
}
err = os.Remove(file)
if err != nil {
l.Warnln("Versioner: can't remove file", file, err)
}
continue
}
if firstFile {
prevAge = age
firstFile = false
continue
}
if prevAge-age < usedInterval.step {
if debug {
l.Debugln("too many files in step -> delete", file)
}
err = os.Remove(file)
if err != nil {
l.Warnln("Versioner: can't remove file", file, err)
}
continue
}
prevAge = age
} else {
l.Warnln("Versioner: folder", file, "is named like a file version")
}
}
}
// Move away the named file to a version archive. If this function returns
// nil, the named file does not exist any more (has been archived).
func (v Staggered) Archive(filePath string) error {
if debug {
l.Debugln("Waiting for lock on ", v.versionsPath)
}
v.mutex.Lock()
defer v.mutex.Unlock()
_, err := os.Stat(filePath)
if err != nil {
if os.IsNotExist(err) {
if debug {
l.Debugln("not archiving nonexistent file", filePath)
}
return nil
} else {
return err
}
}
_, err = os.Stat(v.versionsPath)
if err != nil {
if os.IsNotExist(err) {
if debug {
l.Debugln("creating versions dir", v.versionsPath)
}
os.MkdirAll(v.versionsPath, 0755)
osutil.HideFile(v.versionsPath)
} else {
return err
}
}
if debug {
l.Debugln("archiving", filePath)
}
file := filepath.Base(filePath)
inRepoPath, err := filepath.Rel(v.repoPath, filepath.Dir(filePath))
if err != nil {
return err
}
dir := filepath.Join(v.versionsPath, inRepoPath)
err = os.MkdirAll(dir, 0755)
if err != nil && !os.IsExist(err) {
return err
}
ver := file + ".v" + fmt.Sprintf("%010d", time.Now().Unix())
dst := filepath.Join(dir, ver)
if debug {
l.Debugln("moving to", dst)
}
err = osutil.Rename(filePath, dst)
if err != nil {
return err
}
versions, err := filepath.Glob(filepath.Join(dir, file+".v[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]"))
if err != nil {
l.Warnln("Versioner: error finding versions for", file, err)
return nil
}
sort.Strings(versions)
expire(versions, v)
return nil
}