2863 lines
82 KiB
Go
2863 lines
82 KiB
Go
// Copyright (C) 2014 The Syncthing Authors.
|
|
//
|
|
// This Source Code Form is subject to the terms of the Mozilla Public
|
|
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
|
|
// You can obtain one at https://mozilla.org/MPL/2.0/.
|
|
|
|
package model
|
|
|
|
import (
|
|
"context"
|
|
"crypto/tls"
|
|
"encoding/json"
|
|
"errors"
|
|
"fmt"
|
|
"io"
|
|
"net"
|
|
"path/filepath"
|
|
"reflect"
|
|
"runtime"
|
|
"sort"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/syncthing/syncthing/lib/config"
|
|
"github.com/syncthing/syncthing/lib/connections"
|
|
"github.com/syncthing/syncthing/lib/db"
|
|
"github.com/syncthing/syncthing/lib/events"
|
|
"github.com/syncthing/syncthing/lib/fs"
|
|
"github.com/syncthing/syncthing/lib/ignore"
|
|
"github.com/syncthing/syncthing/lib/osutil"
|
|
"github.com/syncthing/syncthing/lib/protocol"
|
|
"github.com/syncthing/syncthing/lib/scanner"
|
|
"github.com/syncthing/syncthing/lib/stats"
|
|
"github.com/syncthing/syncthing/lib/sync"
|
|
"github.com/syncthing/syncthing/lib/upgrade"
|
|
"github.com/syncthing/syncthing/lib/versioner"
|
|
"github.com/syncthing/syncthing/lib/weakhash"
|
|
"github.com/thejerf/suture"
|
|
)
|
|
|
|
var locationLocal *time.Location
|
|
|
|
func init() {
|
|
var err error
|
|
locationLocal, err = time.LoadLocation("Local")
|
|
if err != nil {
|
|
panic(err.Error())
|
|
}
|
|
}
|
|
|
|
// How many files to send in each Index/IndexUpdate message.
|
|
const (
|
|
maxBatchSizeBytes = 250 * 1024 // Aim for making index messages no larger than 250 KiB (uncompressed)
|
|
maxBatchSizeFiles = 1000 // Either way, don't include more files than this
|
|
)
|
|
|
|
type service interface {
|
|
BringToFront(string)
|
|
DelayScan(d time.Duration)
|
|
IgnoresUpdated() // ignore matcher was updated notification
|
|
SchedulePull() // something relevant changed, we should try a pull
|
|
Jobs() ([]string, []string) // In progress, Queued
|
|
Scan(subs []string) error
|
|
Serve()
|
|
Stop()
|
|
CheckHealth() error
|
|
PullErrors() []FileError
|
|
WatchError() error
|
|
|
|
getState() (folderState, time.Time, error)
|
|
setState(state folderState)
|
|
setError(err error)
|
|
}
|
|
|
|
type Availability struct {
|
|
ID protocol.DeviceID `json:"id"`
|
|
FromTemporary bool `json:"fromTemporary"`
|
|
}
|
|
|
|
type Model struct {
|
|
*suture.Supervisor
|
|
|
|
cfg *config.Wrapper
|
|
db *db.Instance
|
|
finder *db.BlockFinder
|
|
progressEmitter *ProgressEmitter
|
|
id protocol.DeviceID
|
|
shortID protocol.ShortID
|
|
cacheIgnoredFiles bool
|
|
protectedFiles []string
|
|
|
|
clientName string
|
|
clientVersion string
|
|
|
|
folderCfgs map[string]config.FolderConfiguration // folder -> cfg
|
|
folderFiles map[string]*db.FileSet // folder -> files
|
|
folderDevices folderDeviceSet // folder -> deviceIDs
|
|
deviceFolders map[protocol.DeviceID][]string // deviceID -> folders
|
|
deviceStatRefs map[protocol.DeviceID]*stats.DeviceStatisticsReference // deviceID -> statsRef
|
|
folderIgnores map[string]*ignore.Matcher // folder -> matcher object
|
|
folderRunners map[string]service // folder -> puller or scanner
|
|
folderRunnerTokens map[string][]suture.ServiceToken // folder -> tokens for puller or scanner
|
|
folderStatRefs map[string]*stats.FolderStatisticsReference // folder -> statsRef
|
|
fmut sync.RWMutex // protects the above
|
|
|
|
conn map[protocol.DeviceID]connections.Connection
|
|
closed map[protocol.DeviceID]chan struct{}
|
|
helloMessages map[protocol.DeviceID]protocol.HelloResult
|
|
deviceDownloads map[protocol.DeviceID]*deviceDownloadState
|
|
remotePausedFolders map[protocol.DeviceID][]string // deviceID -> folders
|
|
pmut sync.RWMutex // protects the above
|
|
}
|
|
|
|
type folderFactory func(*Model, config.FolderConfiguration, versioner.Versioner, fs.Filesystem) service
|
|
|
|
var (
|
|
folderFactories = make(map[config.FolderType]folderFactory, 0)
|
|
)
|
|
|
|
var (
|
|
errDeviceUnknown = errors.New("unknown device")
|
|
errDevicePaused = errors.New("device is paused")
|
|
errDeviceIgnored = errors.New("device is ignored")
|
|
ErrFolderPaused = errors.New("folder is paused")
|
|
errFolderNotRunning = errors.New("folder is not running")
|
|
errFolderMissing = errors.New("no such folder")
|
|
errNetworkNotAllowed = errors.New("network not allowed")
|
|
)
|
|
|
|
// NewModel creates and starts a new model. The model starts in read-only mode,
|
|
// where it sends index information to connected peers and responds to requests
|
|
// for file data without altering the local folder in any way.
|
|
func NewModel(cfg *config.Wrapper, id protocol.DeviceID, clientName, clientVersion string, ldb *db.Instance, protectedFiles []string) *Model {
|
|
m := &Model{
|
|
Supervisor: suture.New("model", suture.Spec{
|
|
Log: func(line string) {
|
|
l.Debugln(line)
|
|
},
|
|
}),
|
|
cfg: cfg,
|
|
db: ldb,
|
|
finder: db.NewBlockFinder(ldb),
|
|
progressEmitter: NewProgressEmitter(cfg),
|
|
id: id,
|
|
shortID: id.Short(),
|
|
cacheIgnoredFiles: cfg.Options().CacheIgnoredFiles,
|
|
protectedFiles: protectedFiles,
|
|
clientName: clientName,
|
|
clientVersion: clientVersion,
|
|
folderCfgs: make(map[string]config.FolderConfiguration),
|
|
folderFiles: make(map[string]*db.FileSet),
|
|
folderDevices: make(folderDeviceSet),
|
|
deviceFolders: make(map[protocol.DeviceID][]string),
|
|
deviceStatRefs: make(map[protocol.DeviceID]*stats.DeviceStatisticsReference),
|
|
folderIgnores: make(map[string]*ignore.Matcher),
|
|
folderRunners: make(map[string]service),
|
|
folderRunnerTokens: make(map[string][]suture.ServiceToken),
|
|
folderStatRefs: make(map[string]*stats.FolderStatisticsReference),
|
|
conn: make(map[protocol.DeviceID]connections.Connection),
|
|
closed: make(map[protocol.DeviceID]chan struct{}),
|
|
helloMessages: make(map[protocol.DeviceID]protocol.HelloResult),
|
|
deviceDownloads: make(map[protocol.DeviceID]*deviceDownloadState),
|
|
remotePausedFolders: make(map[protocol.DeviceID][]string),
|
|
fmut: sync.NewRWMutex(),
|
|
pmut: sync.NewRWMutex(),
|
|
}
|
|
if cfg.Options().ProgressUpdateIntervalS > -1 {
|
|
go m.progressEmitter.Serve()
|
|
}
|
|
cfg.Subscribe(m)
|
|
|
|
return m
|
|
}
|
|
|
|
// StartDeadlockDetector starts a deadlock detector on the models locks which
|
|
// causes panics in case the locks cannot be acquired in the given timeout
|
|
// period.
|
|
func (m *Model) StartDeadlockDetector(timeout time.Duration) {
|
|
l.Infof("Starting deadlock detector with %v timeout", timeout)
|
|
detector := newDeadlockDetector(timeout)
|
|
detector.Watch("fmut", m.fmut)
|
|
detector.Watch("pmut", m.pmut)
|
|
}
|
|
|
|
// StartFolder constructs the folder service and starts it.
|
|
func (m *Model) StartFolder(folder string) {
|
|
m.fmut.Lock()
|
|
m.pmut.Lock()
|
|
folderType := m.startFolderLocked(folder)
|
|
folderCfg := m.folderCfgs[folder]
|
|
m.pmut.Unlock()
|
|
m.fmut.Unlock()
|
|
|
|
l.Infof("Ready to synchronize %s (%s)", folderCfg.Description(), folderType)
|
|
}
|
|
|
|
func (m *Model) startFolderLocked(folder string) config.FolderType {
|
|
if err := m.checkFolderRunningLocked(folder); err == errFolderMissing {
|
|
panic("cannot start nonexistent folder " + folder)
|
|
} else if err == nil {
|
|
panic("cannot start already running folder " + folder)
|
|
}
|
|
|
|
cfg := m.folderCfgs[folder]
|
|
|
|
folderFactory, ok := folderFactories[cfg.Type]
|
|
if !ok {
|
|
panic(fmt.Sprintf("unknown folder type 0x%x", cfg.Type))
|
|
}
|
|
|
|
fs := m.folderFiles[folder]
|
|
|
|
// Find any devices for which we hold the index in the db, but the folder
|
|
// is not shared, and drop it.
|
|
expected := mapDevices(cfg.DeviceIDs())
|
|
for _, available := range fs.ListDevices() {
|
|
if _, ok := expected[available]; !ok {
|
|
l.Debugln("dropping", folder, "state for", available)
|
|
fs.Drop(available)
|
|
}
|
|
}
|
|
|
|
// Close connections to affected devices
|
|
for _, id := range cfg.DeviceIDs() {
|
|
m.closeLocked(id)
|
|
}
|
|
|
|
v, ok := fs.Sequence(protocol.LocalDeviceID), true
|
|
indexHasFiles := ok && v > 0
|
|
if !indexHasFiles {
|
|
// It's a blank folder, so this may the first time we're looking at
|
|
// it. Attempt to create and tag with our marker as appropriate. We
|
|
// don't really do anything with errors at this point except warn -
|
|
// if these things don't work, we still want to start the folder and
|
|
// it'll show up as errored later.
|
|
|
|
// Directory permission bits. Will be filtered down to something
|
|
// sane by umask on Unixes.
|
|
|
|
cfg.CreateRoot()
|
|
|
|
if err := cfg.CreateMarker(); err != nil {
|
|
l.Warnln("Creating folder marker:", err)
|
|
}
|
|
}
|
|
|
|
ver := cfg.Versioner()
|
|
if service, ok := ver.(suture.Service); ok {
|
|
// The versioner implements the suture.Service interface, so
|
|
// expects to be run in the background in addition to being called
|
|
// when files are going to be archived.
|
|
token := m.Add(service)
|
|
m.folderRunnerTokens[folder] = append(m.folderRunnerTokens[folder], token)
|
|
}
|
|
|
|
ffs := fs.MtimeFS()
|
|
|
|
// These are our metadata files, and they should always be hidden.
|
|
ffs.Hide(config.DefaultMarkerName)
|
|
ffs.Hide(".stversions")
|
|
ffs.Hide(".stignore")
|
|
|
|
p := folderFactory(m, cfg, ver, ffs)
|
|
|
|
m.folderRunners[folder] = p
|
|
|
|
m.warnAboutOverwritingProtectedFiles(folder)
|
|
|
|
token := m.Add(p)
|
|
m.folderRunnerTokens[folder] = append(m.folderRunnerTokens[folder], token)
|
|
|
|
return cfg.Type
|
|
}
|
|
|
|
func (m *Model) warnAboutOverwritingProtectedFiles(folder string) {
|
|
if m.folderCfgs[folder].Type == config.FolderTypeSendOnly {
|
|
return
|
|
}
|
|
|
|
// This is a bit of a hack.
|
|
ffs := m.folderCfgs[folder].Filesystem()
|
|
if ffs.Type() != fs.FilesystemTypeBasic {
|
|
return
|
|
}
|
|
folderLocation := ffs.URI()
|
|
ignores := m.folderIgnores[folder]
|
|
|
|
var filesAtRisk []string
|
|
for _, protectedFilePath := range m.protectedFiles {
|
|
// check if file is synced in this folder
|
|
if !strings.HasPrefix(protectedFilePath, folderLocation) {
|
|
continue
|
|
}
|
|
|
|
// check if file is ignored
|
|
relPath, _ := filepath.Rel(folderLocation, protectedFilePath)
|
|
if ignores.Match(relPath).IsIgnored() {
|
|
continue
|
|
}
|
|
|
|
filesAtRisk = append(filesAtRisk, protectedFilePath)
|
|
}
|
|
|
|
if len(filesAtRisk) > 0 {
|
|
l.Warnln("Some protected files may be overwritten and cause issues. See https://docs.syncthing.net/users/config.html#syncing-configuration-files for more information. The at risk files are:", strings.Join(filesAtRisk, ", "))
|
|
}
|
|
}
|
|
|
|
func (m *Model) AddFolder(cfg config.FolderConfiguration) {
|
|
if len(cfg.ID) == 0 {
|
|
panic("cannot add empty folder id")
|
|
}
|
|
|
|
if len(cfg.Path) == 0 {
|
|
panic("cannot add empty folder path")
|
|
}
|
|
|
|
m.fmut.Lock()
|
|
m.addFolderLocked(cfg)
|
|
m.fmut.Unlock()
|
|
}
|
|
|
|
func (m *Model) addFolderLocked(cfg config.FolderConfiguration) {
|
|
m.folderCfgs[cfg.ID] = cfg
|
|
folderFs := cfg.Filesystem()
|
|
m.folderFiles[cfg.ID] = db.NewFileSet(cfg.ID, folderFs, m.db)
|
|
|
|
for _, device := range cfg.Devices {
|
|
m.folderDevices.set(device.DeviceID, cfg.ID)
|
|
m.deviceFolders[device.DeviceID] = append(m.deviceFolders[device.DeviceID], cfg.ID)
|
|
}
|
|
|
|
ignores := ignore.New(folderFs, ignore.WithCache(m.cacheIgnoredFiles))
|
|
if err := ignores.Load(".stignore"); err != nil && !fs.IsNotExist(err) {
|
|
l.Warnln("Loading ignores:", err)
|
|
}
|
|
m.folderIgnores[cfg.ID] = ignores
|
|
}
|
|
|
|
func (m *Model) RemoveFolder(cfg config.FolderConfiguration) {
|
|
m.fmut.Lock()
|
|
m.pmut.Lock()
|
|
// Delete syncthing specific files
|
|
cfg.Filesystem().RemoveAll(config.DefaultMarkerName)
|
|
|
|
m.tearDownFolderLocked(cfg.ID)
|
|
// Remove it from the database
|
|
db.DropFolder(m.db, cfg.ID)
|
|
|
|
m.pmut.Unlock()
|
|
m.fmut.Unlock()
|
|
}
|
|
|
|
func (m *Model) tearDownFolderLocked(folder string) {
|
|
// Stop the services running for this folder
|
|
for _, id := range m.folderRunnerTokens[folder] {
|
|
m.Remove(id)
|
|
}
|
|
|
|
// Close connections to affected devices
|
|
for dev := range m.folderDevices[folder] {
|
|
if conn, ok := m.conn[dev]; ok {
|
|
closeRawConn(conn)
|
|
}
|
|
}
|
|
|
|
// Clean up our config maps
|
|
delete(m.folderCfgs, folder)
|
|
delete(m.folderFiles, folder)
|
|
delete(m.folderDevices, folder)
|
|
delete(m.folderIgnores, folder)
|
|
delete(m.folderRunners, folder)
|
|
delete(m.folderRunnerTokens, folder)
|
|
delete(m.folderStatRefs, folder)
|
|
for dev, folders := range m.deviceFolders {
|
|
m.deviceFolders[dev] = stringSliceWithout(folders, folder)
|
|
}
|
|
}
|
|
|
|
func (m *Model) RestartFolder(cfg config.FolderConfiguration) {
|
|
if len(cfg.ID) == 0 {
|
|
panic("cannot add empty folder id")
|
|
}
|
|
|
|
m.fmut.Lock()
|
|
m.pmut.Lock()
|
|
|
|
m.tearDownFolderLocked(cfg.ID)
|
|
if cfg.Paused {
|
|
l.Infoln("Paused folder", cfg.Description())
|
|
} else {
|
|
m.addFolderLocked(cfg)
|
|
folderType := m.startFolderLocked(cfg.ID)
|
|
l.Infoln("Restarted folder", cfg.Description(), fmt.Sprintf("(%s)", folderType))
|
|
}
|
|
|
|
m.pmut.Unlock()
|
|
m.fmut.Unlock()
|
|
}
|
|
|
|
func (m *Model) UsageReportingStats(version int, preview bool) map[string]interface{} {
|
|
stats := make(map[string]interface{})
|
|
if version >= 3 {
|
|
// Block stats
|
|
blockStatsMut.Lock()
|
|
copyBlockStats := make(map[string]int)
|
|
for k, v := range blockStats {
|
|
copyBlockStats[k] = v
|
|
if !preview {
|
|
blockStats[k] = 0
|
|
}
|
|
}
|
|
blockStatsMut.Unlock()
|
|
stats["blockStats"] = copyBlockStats
|
|
|
|
// Transport stats
|
|
m.pmut.Lock()
|
|
transportStats := make(map[string]int)
|
|
for _, conn := range m.conn {
|
|
transportStats[conn.Transport()]++
|
|
}
|
|
m.pmut.Unlock()
|
|
stats["transportStats"] = transportStats
|
|
|
|
// Ignore stats
|
|
ignoreStats := map[string]int{
|
|
"lines": 0,
|
|
"inverts": 0,
|
|
"folded": 0,
|
|
"deletable": 0,
|
|
"rooted": 0,
|
|
"includes": 0,
|
|
"escapedIncludes": 0,
|
|
"doubleStars": 0,
|
|
"stars": 0,
|
|
}
|
|
var seenPrefix [3]bool
|
|
for folder := range m.cfg.Folders() {
|
|
lines, _, err := m.GetIgnores(folder)
|
|
if err != nil {
|
|
continue
|
|
}
|
|
ignoreStats["lines"] += len(lines)
|
|
|
|
for _, line := range lines {
|
|
// Allow prefixes to be specified in any order, but only once.
|
|
for {
|
|
if strings.HasPrefix(line, "!") && !seenPrefix[0] {
|
|
seenPrefix[0] = true
|
|
line = line[1:]
|
|
ignoreStats["inverts"] += 1
|
|
} else if strings.HasPrefix(line, "(?i)") && !seenPrefix[1] {
|
|
seenPrefix[1] = true
|
|
line = line[4:]
|
|
ignoreStats["folded"] += 1
|
|
} else if strings.HasPrefix(line, "(?d)") && !seenPrefix[2] {
|
|
seenPrefix[2] = true
|
|
line = line[4:]
|
|
ignoreStats["deletable"] += 1
|
|
} else {
|
|
seenPrefix[0] = false
|
|
seenPrefix[1] = false
|
|
seenPrefix[2] = false
|
|
break
|
|
}
|
|
}
|
|
|
|
// Noops, remove
|
|
if strings.HasSuffix(line, "**") {
|
|
line = line[:len(line)-2]
|
|
}
|
|
if strings.HasPrefix(line, "**/") {
|
|
line = line[3:]
|
|
}
|
|
|
|
if strings.HasPrefix(line, "/") {
|
|
ignoreStats["rooted"] += 1
|
|
} else if strings.HasPrefix(line, "#include ") {
|
|
ignoreStats["includes"] += 1
|
|
if strings.Contains(line, "..") {
|
|
ignoreStats["escapedIncludes"] += 1
|
|
}
|
|
}
|
|
|
|
if strings.Contains(line, "**") {
|
|
ignoreStats["doubleStars"] += 1
|
|
// Remove not to trip up star checks.
|
|
strings.Replace(line, "**", "", -1)
|
|
}
|
|
|
|
if strings.Contains(line, "*") {
|
|
ignoreStats["stars"] += 1
|
|
}
|
|
}
|
|
}
|
|
stats["ignoreStats"] = ignoreStats
|
|
}
|
|
return stats
|
|
}
|
|
|
|
type ConnectionInfo struct {
|
|
protocol.Statistics
|
|
Connected bool
|
|
Paused bool
|
|
Address string
|
|
ClientVersion string
|
|
Type string
|
|
}
|
|
|
|
func (info ConnectionInfo) MarshalJSON() ([]byte, error) {
|
|
return json.Marshal(map[string]interface{}{
|
|
"at": info.At,
|
|
"inBytesTotal": info.InBytesTotal,
|
|
"outBytesTotal": info.OutBytesTotal,
|
|
"connected": info.Connected,
|
|
"paused": info.Paused,
|
|
"address": info.Address,
|
|
"clientVersion": info.ClientVersion,
|
|
"type": info.Type,
|
|
})
|
|
}
|
|
|
|
// ConnectionStats returns a map with connection statistics for each device.
|
|
func (m *Model) ConnectionStats() map[string]interface{} {
|
|
m.fmut.RLock()
|
|
m.pmut.RLock()
|
|
|
|
res := make(map[string]interface{})
|
|
devs := m.cfg.Devices()
|
|
conns := make(map[string]ConnectionInfo, len(devs))
|
|
for device, deviceCfg := range devs {
|
|
hello := m.helloMessages[device]
|
|
versionString := hello.ClientVersion
|
|
if hello.ClientName != "syncthing" {
|
|
versionString = hello.ClientName + " " + hello.ClientVersion
|
|
}
|
|
ci := ConnectionInfo{
|
|
ClientVersion: strings.TrimSpace(versionString),
|
|
Paused: deviceCfg.Paused,
|
|
}
|
|
if conn, ok := m.conn[device]; ok {
|
|
ci.Type = conn.Type()
|
|
ci.Connected = ok
|
|
ci.Statistics = conn.Statistics()
|
|
if addr := conn.RemoteAddr(); addr != nil {
|
|
ci.Address = addr.String()
|
|
}
|
|
}
|
|
|
|
conns[device.String()] = ci
|
|
}
|
|
|
|
res["connections"] = conns
|
|
|
|
m.pmut.RUnlock()
|
|
m.fmut.RUnlock()
|
|
|
|
in, out := protocol.TotalInOut()
|
|
res["total"] = ConnectionInfo{
|
|
Statistics: protocol.Statistics{
|
|
At: time.Now(),
|
|
InBytesTotal: in,
|
|
OutBytesTotal: out,
|
|
},
|
|
}
|
|
|
|
return res
|
|
}
|
|
|
|
// DeviceStatistics returns statistics about each device
|
|
func (m *Model) DeviceStatistics() map[string]stats.DeviceStatistics {
|
|
res := make(map[string]stats.DeviceStatistics)
|
|
for id := range m.cfg.Devices() {
|
|
res[id.String()] = m.deviceStatRef(id).GetStatistics()
|
|
}
|
|
return res
|
|
}
|
|
|
|
// FolderStatistics returns statistics about each folder
|
|
func (m *Model) FolderStatistics() map[string]stats.FolderStatistics {
|
|
res := make(map[string]stats.FolderStatistics)
|
|
for id := range m.cfg.Folders() {
|
|
res[id] = m.folderStatRef(id).GetStatistics()
|
|
}
|
|
return res
|
|
}
|
|
|
|
type FolderCompletion struct {
|
|
CompletionPct float64
|
|
NeedBytes int64
|
|
NeedItems int64
|
|
GlobalBytes int64
|
|
NeedDeletes int64
|
|
}
|
|
|
|
// Completion returns the completion status, in percent, for the given device
|
|
// and folder.
|
|
func (m *Model) Completion(device protocol.DeviceID, folder string) FolderCompletion {
|
|
m.fmut.RLock()
|
|
rf, ok := m.folderFiles[folder]
|
|
m.fmut.RUnlock()
|
|
if !ok {
|
|
return FolderCompletion{} // Folder doesn't exist, so we hardly have any of it
|
|
}
|
|
|
|
tot := rf.GlobalSize().Bytes
|
|
if tot == 0 {
|
|
// Folder is empty, so we have all of it
|
|
return FolderCompletion{
|
|
CompletionPct: 100,
|
|
}
|
|
}
|
|
|
|
m.pmut.RLock()
|
|
counts := m.deviceDownloads[device].GetBlockCounts(folder)
|
|
m.pmut.RUnlock()
|
|
|
|
var need, items, fileNeed, downloaded, deletes int64
|
|
rf.WithNeedTruncated(device, func(f db.FileIntf) bool {
|
|
ft := f.(db.FileInfoTruncated)
|
|
|
|
// If the file is deleted, we account it only in the deleted column.
|
|
if ft.Deleted {
|
|
deletes++
|
|
return true
|
|
}
|
|
|
|
// This might might be more than it really is, because some blocks can be of a smaller size.
|
|
downloaded = int64(counts[ft.Name] * int(ft.BlockSize()))
|
|
|
|
fileNeed = ft.FileSize() - downloaded
|
|
if fileNeed < 0 {
|
|
fileNeed = 0
|
|
}
|
|
|
|
need += fileNeed
|
|
items++
|
|
|
|
return true
|
|
})
|
|
|
|
needRatio := float64(need) / float64(tot)
|
|
completionPct := 100 * (1 - needRatio)
|
|
|
|
// If the completion is 100% but there are deletes we need to handle,
|
|
// drop it down a notch. Hack for consumers that look only at the
|
|
// percentage (our own GUI does the same calculation as here on its own
|
|
// and needs the same fixup).
|
|
if need == 0 && deletes > 0 {
|
|
completionPct = 95 // chosen by fair dice roll
|
|
}
|
|
|
|
l.Debugf("%v Completion(%s, %q): %f (%d / %d = %f)", m, device, folder, completionPct, need, tot, needRatio)
|
|
|
|
return FolderCompletion{
|
|
CompletionPct: completionPct,
|
|
NeedBytes: need,
|
|
NeedItems: items,
|
|
GlobalBytes: tot,
|
|
NeedDeletes: deletes,
|
|
}
|
|
}
|
|
|
|
func addSizeOfFile(s *db.Counts, f db.FileIntf) {
|
|
switch {
|
|
case f.IsDeleted():
|
|
s.Deleted++
|
|
case f.IsDirectory():
|
|
s.Directories++
|
|
case f.IsSymlink():
|
|
s.Symlinks++
|
|
default:
|
|
s.Files++
|
|
}
|
|
s.Bytes += f.FileSize()
|
|
}
|
|
|
|
// GlobalSize returns the number of files, deleted files and total bytes for all
|
|
// files in the global model.
|
|
func (m *Model) GlobalSize(folder string) db.Counts {
|
|
m.fmut.RLock()
|
|
defer m.fmut.RUnlock()
|
|
if rf, ok := m.folderFiles[folder]; ok {
|
|
return rf.GlobalSize()
|
|
}
|
|
return db.Counts{}
|
|
}
|
|
|
|
// LocalSize returns the number of files, deleted files and total bytes for all
|
|
// files in the local folder.
|
|
func (m *Model) LocalSize(folder string) db.Counts {
|
|
m.fmut.RLock()
|
|
defer m.fmut.RUnlock()
|
|
if rf, ok := m.folderFiles[folder]; ok {
|
|
return rf.LocalSize()
|
|
}
|
|
return db.Counts{}
|
|
}
|
|
|
|
// NeedSize returns the number and total size of currently needed files.
|
|
func (m *Model) NeedSize(folder string) db.Counts {
|
|
m.fmut.RLock()
|
|
defer m.fmut.RUnlock()
|
|
|
|
var result db.Counts
|
|
if rf, ok := m.folderFiles[folder]; ok {
|
|
cfg := m.folderCfgs[folder]
|
|
rf.WithNeedTruncated(protocol.LocalDeviceID, func(f db.FileIntf) bool {
|
|
if cfg.IgnoreDelete && f.IsDeleted() {
|
|
return true
|
|
}
|
|
|
|
addSizeOfFile(&result, f)
|
|
return true
|
|
})
|
|
}
|
|
result.Bytes -= m.progressEmitter.BytesCompleted(folder)
|
|
l.Debugf("%v NeedSize(%q): %v", m, folder, result)
|
|
return result
|
|
}
|
|
|
|
// NeedFolderFiles returns paginated list of currently needed files in
|
|
// progress, queued, and to be queued on next puller iteration, as well as the
|
|
// total number of files currently needed.
|
|
func (m *Model) NeedFolderFiles(folder string, page, perpage int) ([]db.FileInfoTruncated, []db.FileInfoTruncated, []db.FileInfoTruncated) {
|
|
m.fmut.RLock()
|
|
defer m.fmut.RUnlock()
|
|
|
|
rf, ok := m.folderFiles[folder]
|
|
if !ok {
|
|
return nil, nil, nil
|
|
}
|
|
|
|
var progress, queued, rest []db.FileInfoTruncated
|
|
var seen map[string]struct{}
|
|
|
|
skip := (page - 1) * perpage
|
|
get := perpage
|
|
|
|
runner, ok := m.folderRunners[folder]
|
|
if ok {
|
|
allProgressNames, allQueuedNames := runner.Jobs()
|
|
|
|
var progressNames, queuedNames []string
|
|
progressNames, skip, get = getChunk(allProgressNames, skip, get)
|
|
queuedNames, skip, get = getChunk(allQueuedNames, skip, get)
|
|
|
|
progress = make([]db.FileInfoTruncated, len(progressNames))
|
|
queued = make([]db.FileInfoTruncated, len(queuedNames))
|
|
seen = make(map[string]struct{}, len(progressNames)+len(queuedNames))
|
|
|
|
for i, name := range progressNames {
|
|
if f, ok := rf.GetGlobalTruncated(name); ok {
|
|
progress[i] = f
|
|
seen[name] = struct{}{}
|
|
}
|
|
}
|
|
|
|
for i, name := range queuedNames {
|
|
if f, ok := rf.GetGlobalTruncated(name); ok {
|
|
queued[i] = f
|
|
seen[name] = struct{}{}
|
|
}
|
|
}
|
|
}
|
|
|
|
rest = make([]db.FileInfoTruncated, 0, perpage)
|
|
cfg := m.folderCfgs[folder]
|
|
rf.WithNeedTruncated(protocol.LocalDeviceID, func(f db.FileIntf) bool {
|
|
if cfg.IgnoreDelete && f.IsDeleted() {
|
|
return true
|
|
}
|
|
|
|
if skip > 0 {
|
|
skip--
|
|
return true
|
|
}
|
|
if get > 0 {
|
|
ft := f.(db.FileInfoTruncated)
|
|
if _, ok := seen[ft.Name]; !ok {
|
|
rest = append(rest, ft)
|
|
get--
|
|
}
|
|
}
|
|
return get > 0
|
|
})
|
|
|
|
return progress, queued, rest
|
|
}
|
|
|
|
// RemoteNeedFolderFiles returns paginated list of currently needed files in
|
|
// progress, queued, and to be queued on next puller iteration, as well as the
|
|
// total number of files currently needed.
|
|
func (m *Model) RemoteNeedFolderFiles(device protocol.DeviceID, folder string, page, perpage int) ([]db.FileInfoTruncated, error) {
|
|
m.fmut.RLock()
|
|
m.pmut.RLock()
|
|
if err := m.checkDeviceFolderConnectedLocked(device, folder); err != nil {
|
|
m.pmut.RUnlock()
|
|
m.fmut.RUnlock()
|
|
return nil, err
|
|
}
|
|
rf := m.folderFiles[folder]
|
|
m.pmut.RUnlock()
|
|
m.fmut.RUnlock()
|
|
|
|
files := make([]db.FileInfoTruncated, 0, perpage)
|
|
skip := (page - 1) * perpage
|
|
get := perpage
|
|
rf.WithNeedTruncated(device, func(f db.FileIntf) bool {
|
|
if skip > 0 {
|
|
skip--
|
|
return true
|
|
}
|
|
if get > 0 {
|
|
files = append(files, f.(db.FileInfoTruncated))
|
|
get--
|
|
}
|
|
return get > 0
|
|
})
|
|
|
|
return files, nil
|
|
}
|
|
|
|
// Index is called when a new device is connected and we receive their full index.
|
|
// Implements the protocol.Model interface.
|
|
func (m *Model) Index(deviceID protocol.DeviceID, folder string, fs []protocol.FileInfo) {
|
|
m.handleIndex(deviceID, folder, fs, false)
|
|
}
|
|
|
|
// IndexUpdate is called for incremental updates to connected devices' indexes.
|
|
// Implements the protocol.Model interface.
|
|
func (m *Model) IndexUpdate(deviceID protocol.DeviceID, folder string, fs []protocol.FileInfo) {
|
|
m.handleIndex(deviceID, folder, fs, true)
|
|
}
|
|
|
|
func (m *Model) handleIndex(deviceID protocol.DeviceID, folder string, fs []protocol.FileInfo, update bool) {
|
|
op := "Index"
|
|
if update {
|
|
op += " update"
|
|
}
|
|
|
|
l.Debugf("%v (in): %s / %q: %d files", op, deviceID, folder, len(fs))
|
|
|
|
if !m.folderSharedWith(folder, deviceID) {
|
|
l.Debugf("%v for unexpected folder ID %q sent from device %q; ensure that the folder exists and that this device is selected under \"Share With\" in the folder configuration.", op, folder, deviceID)
|
|
return
|
|
}
|
|
|
|
m.fmut.RLock()
|
|
files, existing := m.folderFiles[folder]
|
|
runner, running := m.folderRunners[folder]
|
|
m.fmut.RUnlock()
|
|
|
|
if !existing {
|
|
l.Fatalf("%v for nonexistent folder %q", op, folder)
|
|
}
|
|
|
|
if running {
|
|
defer runner.SchedulePull()
|
|
} else if update {
|
|
// Runner may legitimately not be set if this is the "cleanup" Index
|
|
// message at startup.
|
|
l.Fatalf("%v for not running folder %q", op, folder)
|
|
}
|
|
|
|
m.pmut.RLock()
|
|
m.deviceDownloads[deviceID].Update(folder, makeForgetUpdate(fs))
|
|
m.pmut.RUnlock()
|
|
|
|
if !update {
|
|
files.Drop(deviceID)
|
|
}
|
|
files.Update(deviceID, fs)
|
|
|
|
events.Default.Log(events.RemoteIndexUpdated, map[string]interface{}{
|
|
"device": deviceID.String(),
|
|
"folder": folder,
|
|
"items": len(fs),
|
|
"version": files.Sequence(deviceID),
|
|
})
|
|
}
|
|
|
|
func (m *Model) folderSharedWith(folder string, deviceID protocol.DeviceID) bool {
|
|
m.fmut.RLock()
|
|
shared := m.folderSharedWithLocked(folder, deviceID)
|
|
m.fmut.RUnlock()
|
|
return shared
|
|
}
|
|
|
|
func (m *Model) folderSharedWithLocked(folder string, deviceID protocol.DeviceID) bool {
|
|
for _, nfolder := range m.deviceFolders[deviceID] {
|
|
if nfolder == folder {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
func (m *Model) ClusterConfig(deviceID protocol.DeviceID, cm protocol.ClusterConfig) {
|
|
// Check the peer device's announced folders against our own. Emits events
|
|
// for folders that we don't expect (unknown or not shared).
|
|
// Also, collect a list of folders we do share, and if he's interested in
|
|
// temporary indexes, subscribe the connection.
|
|
|
|
tempIndexFolders := make([]string, 0, len(cm.Folders))
|
|
|
|
m.pmut.RLock()
|
|
conn, ok := m.conn[deviceID]
|
|
hello := m.helloMessages[deviceID]
|
|
m.pmut.RUnlock()
|
|
if !ok {
|
|
panic("bug: ClusterConfig called on closed or nonexistent connection")
|
|
}
|
|
|
|
dbLocation := filepath.Dir(m.db.Location())
|
|
changed := false
|
|
deviceCfg := m.cfg.Devices()[deviceID]
|
|
|
|
// See issue #3802 - in short, we can't send modern symlink entries to older
|
|
// clients.
|
|
dropSymlinks := false
|
|
if hello.ClientName == m.clientName && upgrade.CompareVersions(hello.ClientVersion, "v0.14.14") < 0 {
|
|
l.Warnln("Not sending symlinks to old client", deviceID, "- please upgrade to v0.14.14 or newer")
|
|
dropSymlinks = true
|
|
}
|
|
|
|
// Needs to happen outside of the fmut, as can cause CommitConfiguration
|
|
if deviceCfg.AutoAcceptFolders {
|
|
for _, folder := range cm.Folders {
|
|
changed = m.handleAutoAccepts(deviceCfg, folder) || changed
|
|
}
|
|
}
|
|
|
|
m.fmut.Lock()
|
|
var paused []string
|
|
for _, folder := range cm.Folders {
|
|
if folder.Paused {
|
|
paused = append(paused, folder.ID)
|
|
continue
|
|
}
|
|
|
|
if cfg, ok := m.cfg.Folder(folder.ID); ok && cfg.Paused {
|
|
continue
|
|
}
|
|
|
|
if m.cfg.IgnoredFolder(folder.ID) {
|
|
l.Infof("Ignoring folder %s from device %s since we are configured to", folder.Description(), deviceID)
|
|
continue
|
|
}
|
|
|
|
if !m.folderSharedWithLocked(folder.ID, deviceID) {
|
|
events.Default.Log(events.FolderRejected, map[string]string{
|
|
"folder": folder.ID,
|
|
"folderLabel": folder.Label,
|
|
"device": deviceID.String(),
|
|
})
|
|
l.Infof("Unexpected folder %s sent from device %q; ensure that the folder exists and that this device is selected under \"Share With\" in the folder configuration.", folder.Description(), deviceID)
|
|
continue
|
|
}
|
|
|
|
if !folder.DisableTempIndexes {
|
|
tempIndexFolders = append(tempIndexFolders, folder.ID)
|
|
}
|
|
|
|
fs := m.folderFiles[folder.ID]
|
|
myIndexID := fs.IndexID(protocol.LocalDeviceID)
|
|
mySequence := fs.Sequence(protocol.LocalDeviceID)
|
|
var startSequence int64
|
|
|
|
for _, dev := range folder.Devices {
|
|
if dev.ID == m.id {
|
|
// This is the other side's description of what it knows
|
|
// about us. Lets check to see if we can start sending index
|
|
// updates directly or need to send the index from start...
|
|
|
|
if dev.IndexID == myIndexID {
|
|
// They say they've seen our index ID before, so we can
|
|
// send a delta update only.
|
|
|
|
if dev.MaxSequence > mySequence {
|
|
// Safety check. They claim to have more or newer
|
|
// index data than we have - either we have lost
|
|
// index data, or reset the index without resetting
|
|
// the IndexID, or something else weird has
|
|
// happened. We send a full index to reset the
|
|
// situation.
|
|
l.Infof("Device %v folder %s is delta index compatible, but seems out of sync with reality", deviceID, folder.Description())
|
|
startSequence = 0
|
|
continue
|
|
}
|
|
|
|
l.Debugf("Device %v folder %s is delta index compatible (mlv=%d)", deviceID, folder.Description(), dev.MaxSequence)
|
|
startSequence = dev.MaxSequence
|
|
} else if dev.IndexID != 0 {
|
|
// They say they've seen an index ID from us, but it's
|
|
// not the right one. Either they are confused or we
|
|
// must have reset our database since last talking to
|
|
// them. We'll start with a full index transfer.
|
|
l.Infof("Device %v folder %s has mismatching index ID for us (%v != %v)", deviceID, folder.Description(), dev.IndexID, myIndexID)
|
|
startSequence = 0
|
|
}
|
|
} else if dev.ID == deviceID && dev.IndexID != 0 {
|
|
// This is the other side's description of themselves. We
|
|
// check to see that it matches the IndexID we have on file,
|
|
// otherwise we drop our old index data and expect to get a
|
|
// completely new set.
|
|
|
|
theirIndexID := fs.IndexID(deviceID)
|
|
if dev.IndexID == 0 {
|
|
// They're not announcing an index ID. This means they
|
|
// do not support delta indexes and we should clear any
|
|
// information we have from them before accepting their
|
|
// index, which will presumably be a full index.
|
|
fs.Drop(deviceID)
|
|
} else if dev.IndexID != theirIndexID {
|
|
// The index ID we have on file is not what they're
|
|
// announcing. They must have reset their database and
|
|
// will probably send us a full index. We drop any
|
|
// information we have and remember this new index ID
|
|
// instead.
|
|
l.Infof("Device %v folder %s has a new index ID (%v)", deviceID, folder.Description(), dev.IndexID)
|
|
fs.Drop(deviceID)
|
|
fs.SetIndexID(deviceID, dev.IndexID)
|
|
} else {
|
|
// They're sending a recognized index ID and will most
|
|
// likely use delta indexes. We might already have files
|
|
// that we need to pull so let the folder runner know
|
|
// that it should recheck the index data.
|
|
if runner := m.folderRunners[folder.ID]; runner != nil {
|
|
defer runner.SchedulePull()
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
go sendIndexes(conn, folder.ID, fs, m.folderIgnores[folder.ID], startSequence, dbLocation, dropSymlinks)
|
|
}
|
|
|
|
m.pmut.Lock()
|
|
m.remotePausedFolders[deviceID] = paused
|
|
m.pmut.Unlock()
|
|
|
|
// This breaks if we send multiple CM messages during the same connection.
|
|
if len(tempIndexFolders) > 0 {
|
|
m.pmut.RLock()
|
|
conn, ok := m.conn[deviceID]
|
|
m.pmut.RUnlock()
|
|
// In case we've got ClusterConfig, and the connection disappeared
|
|
// from infront of our nose.
|
|
if ok {
|
|
m.progressEmitter.temporaryIndexSubscribe(conn, tempIndexFolders)
|
|
}
|
|
}
|
|
|
|
if deviceCfg.Introducer {
|
|
foldersDevices, introduced := m.handleIntroductions(deviceCfg, cm)
|
|
if introduced {
|
|
changed = true
|
|
}
|
|
// If permitted, check if the introducer has unshare devices/folders with
|
|
// some of the devices/folders that we know were introduced to us by him.
|
|
if !deviceCfg.SkipIntroductionRemovals && m.handleDeintroductions(deviceCfg, cm, foldersDevices) {
|
|
changed = true
|
|
}
|
|
}
|
|
m.fmut.Unlock()
|
|
|
|
if changed {
|
|
if err := m.cfg.Save(); err != nil {
|
|
l.Warnln("Failed to save config", err)
|
|
}
|
|
}
|
|
}
|
|
|
|
// handleIntroductions handles adding devices/shares that are shared by an introducer device
|
|
func (m *Model) handleIntroductions(introducerCfg config.DeviceConfiguration, cm protocol.ClusterConfig) (folderDeviceSet, bool) {
|
|
// This device is an introducer. Go through the announced lists of folders
|
|
// and devices and add what we are missing, remove what we have extra that
|
|
// has been introducer by the introducer.
|
|
changed := false
|
|
|
|
foldersDevices := make(folderDeviceSet)
|
|
|
|
for _, folder := range cm.Folders {
|
|
// Adds devices which we do not have, but the introducer has
|
|
// for the folders that we have in common. Also, shares folders
|
|
// with devices that we have in common, yet are currently not sharing
|
|
// the folder.
|
|
|
|
fcfg, ok := m.cfg.Folder(folder.ID)
|
|
if !ok {
|
|
// Don't have this folder, carry on.
|
|
continue
|
|
}
|
|
|
|
nextDevice:
|
|
for _, device := range folder.Devices {
|
|
// No need to share with self.
|
|
if device.ID == m.id {
|
|
continue
|
|
}
|
|
|
|
foldersDevices.set(device.ID, folder.ID)
|
|
|
|
if _, ok := m.cfg.Devices()[device.ID]; !ok {
|
|
// The device is currently unknown. Add it to the config.
|
|
m.introduceDevice(device, introducerCfg)
|
|
changed = true
|
|
} else {
|
|
for _, dev := range fcfg.DeviceIDs() {
|
|
if dev == device.ID {
|
|
// We already share the folder with this device, so
|
|
// nothing to do.
|
|
continue nextDevice
|
|
}
|
|
}
|
|
}
|
|
|
|
// We don't yet share this folder with this device. Add the device
|
|
// to sharing list of the folder.
|
|
l.Infof("Sharing folder %s with %v (vouched for by introducer %v)", folder.Description(), device.ID, introducerCfg.DeviceID)
|
|
fcfg.Devices = append(fcfg.Devices, config.FolderDeviceConfiguration{
|
|
DeviceID: device.ID,
|
|
IntroducedBy: introducerCfg.DeviceID,
|
|
})
|
|
changed = true
|
|
}
|
|
|
|
if changed {
|
|
m.cfg.SetFolder(fcfg)
|
|
}
|
|
}
|
|
|
|
return foldersDevices, changed
|
|
}
|
|
|
|
// handleDeintroductions handles removals of devices/shares that are removed by an introducer device
|
|
func (m *Model) handleDeintroductions(introducerCfg config.DeviceConfiguration, cm protocol.ClusterConfig, foldersDevices folderDeviceSet) bool {
|
|
changed := false
|
|
foldersIntroducedByOthers := make(folderDeviceSet)
|
|
|
|
// Check if we should unshare some folders, if the introducer has unshared them.
|
|
for _, folderCfg := range m.cfg.Folders() {
|
|
folderChanged := false
|
|
for i := 0; i < len(folderCfg.Devices); i++ {
|
|
if folderCfg.Devices[i].IntroducedBy == introducerCfg.DeviceID {
|
|
if !foldersDevices.has(folderCfg.Devices[i].DeviceID, folderCfg.ID) {
|
|
// We could not find that folder shared on the
|
|
// introducer with the device that was introduced to us.
|
|
// We should follow and unshare as well.
|
|
l.Infof("Unsharing folder %s with %v as introducer %v no longer shares the folder with that device", folderCfg.Description(), folderCfg.Devices[i].DeviceID, folderCfg.Devices[i].IntroducedBy)
|
|
folderCfg.Devices = append(folderCfg.Devices[:i], folderCfg.Devices[i+1:]...)
|
|
i--
|
|
folderChanged = true
|
|
}
|
|
} else {
|
|
foldersIntroducedByOthers.set(folderCfg.Devices[i].DeviceID, folderCfg.ID)
|
|
}
|
|
}
|
|
|
|
// We've modified the folder, hence update it.
|
|
if folderChanged {
|
|
m.cfg.SetFolder(folderCfg)
|
|
changed = true
|
|
}
|
|
}
|
|
|
|
// Check if we should remove some devices, if the introducer no longer
|
|
// shares any folder with them. Yet do not remove if we share other
|
|
// folders that haven't been introduced by the introducer.
|
|
for _, device := range m.cfg.Devices() {
|
|
if device.IntroducedBy == introducerCfg.DeviceID {
|
|
if !foldersDevices.hasDevice(device.DeviceID) {
|
|
if foldersIntroducedByOthers.hasDevice(device.DeviceID) {
|
|
l.Infof("Would have removed %v as %v no longer shares any folders, yet there are other folders that are shared with this device that haven't been introduced by this introducer.", device.DeviceID, device.IntroducedBy)
|
|
continue
|
|
}
|
|
// The introducer no longer shares any folder with the
|
|
// device, remove the device.
|
|
l.Infof("Removing device %v as introducer %v no longer shares any folders with that device", device.DeviceID, device.IntroducedBy)
|
|
m.cfg.RemoveDevice(device.DeviceID)
|
|
changed = true
|
|
}
|
|
}
|
|
}
|
|
|
|
return changed
|
|
}
|
|
|
|
// handleAutoAccepts handles adding and sharing folders for devices that have
|
|
// AutoAcceptFolders set to true.
|
|
func (m *Model) handleAutoAccepts(deviceCfg config.DeviceConfiguration, folder protocol.Folder) bool {
|
|
if cfg, ok := m.cfg.Folder(folder.ID); !ok {
|
|
defaultPath := m.cfg.Options().DefaultFolderPath
|
|
defaultPathFs := fs.NewFilesystem(fs.FilesystemTypeBasic, defaultPath)
|
|
for _, path := range []string{folder.Label, folder.ID} {
|
|
if _, err := defaultPathFs.Lstat(path); !fs.IsNotExist(err) {
|
|
continue
|
|
}
|
|
|
|
fcfg := config.NewFolderConfiguration(m.id, folder.ID, folder.Label, fs.FilesystemTypeBasic, filepath.Join(defaultPath, path))
|
|
fcfg.Devices = append(fcfg.Devices, config.FolderDeviceConfiguration{
|
|
DeviceID: deviceCfg.DeviceID,
|
|
})
|
|
// Need to wait for the waiter, as this calls CommitConfiguration,
|
|
// which sets up the folder and as we return from this call,
|
|
// ClusterConfig starts poking at m.folderFiles and other things
|
|
// that might not exist until the config is committed.
|
|
w, _ := m.cfg.SetFolder(fcfg)
|
|
w.Wait()
|
|
|
|
l.Infof("Auto-accepted %s folder %s at path %s", deviceCfg.DeviceID, folder.Description(), fcfg.Path)
|
|
return true
|
|
}
|
|
l.Infof("Failed to auto-accept folder %s from %s due to path conflict", folder.Description(), deviceCfg.DeviceID)
|
|
return false
|
|
} else {
|
|
for _, device := range cfg.DeviceIDs() {
|
|
if device == deviceCfg.DeviceID {
|
|
// Already shared nothing todo.
|
|
return false
|
|
}
|
|
}
|
|
cfg.Devices = append(cfg.Devices, config.FolderDeviceConfiguration{
|
|
DeviceID: deviceCfg.DeviceID,
|
|
})
|
|
w, _ := m.cfg.SetFolder(cfg)
|
|
w.Wait()
|
|
l.Infof("Shared %s with %s due to auto-accept", folder.ID, deviceCfg.DeviceID)
|
|
return true
|
|
}
|
|
}
|
|
|
|
func (m *Model) introduceDevice(device protocol.Device, introducerCfg config.DeviceConfiguration) {
|
|
addresses := []string{"dynamic"}
|
|
for _, addr := range device.Addresses {
|
|
if addr != "dynamic" {
|
|
addresses = append(addresses, addr)
|
|
}
|
|
}
|
|
|
|
l.Infof("Adding device %v to config (vouched for by introducer %v)", device.ID, introducerCfg.DeviceID)
|
|
newDeviceCfg := config.DeviceConfiguration{
|
|
DeviceID: device.ID,
|
|
Name: device.Name,
|
|
Compression: introducerCfg.Compression,
|
|
Addresses: addresses,
|
|
CertName: device.CertName,
|
|
IntroducedBy: introducerCfg.DeviceID,
|
|
}
|
|
|
|
// The introducers' introducers are also our introducers.
|
|
if device.Introducer {
|
|
l.Infof("Device %v is now also an introducer", device.ID)
|
|
newDeviceCfg.Introducer = true
|
|
newDeviceCfg.SkipIntroductionRemovals = device.SkipIntroductionRemovals
|
|
}
|
|
|
|
m.cfg.SetDevice(newDeviceCfg)
|
|
}
|
|
|
|
// Closed is called when a connection has been closed
|
|
func (m *Model) Closed(conn protocol.Connection, err error) {
|
|
device := conn.ID()
|
|
|
|
m.pmut.Lock()
|
|
conn, ok := m.conn[device]
|
|
if ok {
|
|
m.progressEmitter.temporaryIndexUnsubscribe(conn)
|
|
}
|
|
delete(m.conn, device)
|
|
delete(m.helloMessages, device)
|
|
delete(m.deviceDownloads, device)
|
|
delete(m.remotePausedFolders, device)
|
|
closed := m.closed[device]
|
|
delete(m.closed, device)
|
|
m.pmut.Unlock()
|
|
|
|
l.Infof("Connection to %s at %s closed: %v", device, conn.Name(), err)
|
|
events.Default.Log(events.DeviceDisconnected, map[string]string{
|
|
"id": device.String(),
|
|
"error": err.Error(),
|
|
})
|
|
close(closed)
|
|
}
|
|
|
|
// close will close the underlying connection for a given device
|
|
func (m *Model) close(device protocol.DeviceID) {
|
|
m.pmut.Lock()
|
|
m.closeLocked(device)
|
|
m.pmut.Unlock()
|
|
}
|
|
|
|
// closeLocked will close the underlying connection for a given device
|
|
func (m *Model) closeLocked(device protocol.DeviceID) {
|
|
conn, ok := m.conn[device]
|
|
if !ok {
|
|
// There is no connection to close
|
|
return
|
|
}
|
|
|
|
closeRawConn(conn)
|
|
}
|
|
|
|
// Request returns the specified data segment by reading it from local disk.
|
|
// Implements the protocol.Model interface.
|
|
func (m *Model) Request(deviceID protocol.DeviceID, folder, name string, offset int64, hash []byte, fromTemporary bool, buf []byte) error {
|
|
if offset < 0 {
|
|
return protocol.ErrInvalid
|
|
}
|
|
|
|
// Make sure the path is valid and in canonical form
|
|
var err error
|
|
if name, err = fs.Canonicalize(name); err != nil {
|
|
l.Debugf("Request from %s in paused folder %q for invalid filename %s", deviceID, folder, name)
|
|
return protocol.ErrInvalid
|
|
}
|
|
|
|
m.fmut.RLock()
|
|
folderCfg := m.folderCfgs[folder]
|
|
folderIgnores := m.folderIgnores[folder]
|
|
m.fmut.RUnlock()
|
|
|
|
if folderCfg.Paused {
|
|
l.Debugf("Request from %s for file %s in paused folder %q", deviceID, name, folder)
|
|
return protocol.ErrInvalid
|
|
}
|
|
|
|
if !m.folderSharedWith(folder, deviceID) {
|
|
l.Warnf("Request from %s for file %s in unshared folder %q", deviceID, name, folder)
|
|
return protocol.ErrNoSuchFile
|
|
}
|
|
|
|
if deviceID != protocol.LocalDeviceID {
|
|
l.Debugf("%v REQ(in): %s: %q / %q o=%d s=%d t=%v", m, deviceID, folder, name, offset, len(buf), fromTemporary)
|
|
}
|
|
|
|
folderFs := folderCfg.Filesystem()
|
|
|
|
if fs.IsInternal(name) {
|
|
l.Debugf("%v REQ(in) for internal file: %s: %q / %q o=%d s=%d", m, deviceID, folder, name, offset, len(buf))
|
|
return protocol.ErrNoSuchFile
|
|
}
|
|
|
|
if folderIgnores.Match(name).IsIgnored() {
|
|
l.Debugf("%v REQ(in) for ignored file: %s: %q / %q o=%d s=%d", m, deviceID, folder, name, offset, len(buf))
|
|
return protocol.ErrNoSuchFile
|
|
}
|
|
|
|
if err := osutil.TraversesSymlink(folderFs, filepath.Dir(name)); err != nil {
|
|
l.Debugf("%v REQ(in) traversal check: %s - %s: %q / %q o=%d s=%d", m, err, deviceID, folder, name, offset, len(buf))
|
|
return protocol.ErrNoSuchFile
|
|
}
|
|
|
|
// Only check temp files if the flag is set, and if we are set to advertise
|
|
// the temp indexes.
|
|
if fromTemporary && !folderCfg.DisableTempIndexes {
|
|
tempFn := fs.TempName(name)
|
|
|
|
if info, err := folderFs.Lstat(tempFn); err != nil || !info.IsRegular() {
|
|
// Reject reads for anything that doesn't exist or is something
|
|
// other than a regular file.
|
|
return protocol.ErrNoSuchFile
|
|
}
|
|
|
|
if err := readOffsetIntoBuf(folderFs, tempFn, offset, buf); err == nil {
|
|
return nil
|
|
}
|
|
// Fall through to reading from a non-temp file, just incase the temp
|
|
// file has finished downloading.
|
|
}
|
|
|
|
if info, err := folderFs.Lstat(name); err != nil || !info.IsRegular() {
|
|
// Reject reads for anything that doesn't exist or is something
|
|
// other than a regular file.
|
|
return protocol.ErrNoSuchFile
|
|
}
|
|
|
|
if err = readOffsetIntoBuf(folderFs, name, offset, buf); fs.IsNotExist(err) {
|
|
return protocol.ErrNoSuchFile
|
|
} else if err != nil {
|
|
return protocol.ErrGeneric
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (m *Model) CurrentFolderFile(folder string, file string) (protocol.FileInfo, bool) {
|
|
m.fmut.RLock()
|
|
fs, ok := m.folderFiles[folder]
|
|
m.fmut.RUnlock()
|
|
if !ok {
|
|
return protocol.FileInfo{}, false
|
|
}
|
|
return fs.Get(protocol.LocalDeviceID, file)
|
|
}
|
|
|
|
func (m *Model) CurrentGlobalFile(folder string, file string) (protocol.FileInfo, bool) {
|
|
m.fmut.RLock()
|
|
fs, ok := m.folderFiles[folder]
|
|
m.fmut.RUnlock()
|
|
if !ok {
|
|
return protocol.FileInfo{}, false
|
|
}
|
|
return fs.GetGlobal(file)
|
|
}
|
|
|
|
type cFiler struct {
|
|
m *Model
|
|
r string
|
|
}
|
|
|
|
// Implements scanner.CurrentFiler
|
|
func (cf cFiler) CurrentFile(file string) (protocol.FileInfo, bool) {
|
|
return cf.m.CurrentFolderFile(cf.r, file)
|
|
}
|
|
|
|
// Connection returns the current connection for device, and a boolean whether a connection was found.
|
|
func (m *Model) Connection(deviceID protocol.DeviceID) (connections.Connection, bool) {
|
|
m.pmut.RLock()
|
|
cn, ok := m.conn[deviceID]
|
|
m.pmut.RUnlock()
|
|
if ok {
|
|
m.deviceWasSeen(deviceID)
|
|
}
|
|
return cn, ok
|
|
}
|
|
|
|
func (m *Model) GetIgnores(folder string) ([]string, []string, error) {
|
|
m.fmut.RLock()
|
|
defer m.fmut.RUnlock()
|
|
|
|
cfg, ok := m.folderCfgs[folder]
|
|
if !ok {
|
|
cfg, ok = m.cfg.Folders()[folder]
|
|
if !ok {
|
|
return nil, nil, fmt.Errorf("Folder %s does not exist", folder)
|
|
}
|
|
}
|
|
|
|
// On creation a new folder with ignore patterns validly has no marker yet.
|
|
if err := cfg.CheckPath(); err != nil && err != config.ErrMarkerMissing {
|
|
return nil, nil, err
|
|
}
|
|
|
|
ignores, ok := m.folderIgnores[folder]
|
|
if ok {
|
|
return ignores.Lines(), ignores.Patterns(), nil
|
|
}
|
|
|
|
ignores = ignore.New(fs.NewFilesystem(cfg.FilesystemType, cfg.Path))
|
|
if err := ignores.Load(".stignore"); err != nil && !fs.IsNotExist(err) {
|
|
return nil, nil, err
|
|
}
|
|
|
|
return ignores.Lines(), ignores.Patterns(), nil
|
|
}
|
|
|
|
func (m *Model) SetIgnores(folder string, content []string) error {
|
|
cfg, ok := m.cfg.Folders()[folder]
|
|
if !ok {
|
|
return fmt.Errorf("Folder %s does not exist", folder)
|
|
}
|
|
|
|
if err := ignore.WriteIgnores(cfg.Filesystem(), ".stignore", content); err != nil {
|
|
l.Warnln("Saving .stignore:", err)
|
|
return err
|
|
}
|
|
|
|
m.fmut.RLock()
|
|
runner, ok := m.folderRunners[folder]
|
|
m.fmut.RUnlock()
|
|
if ok {
|
|
return runner.Scan(nil)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// OnHello is called when an device connects to us.
|
|
// This allows us to extract some information from the Hello message
|
|
// and add it to a list of known devices ahead of any checks.
|
|
func (m *Model) OnHello(remoteID protocol.DeviceID, addr net.Addr, hello protocol.HelloResult) error {
|
|
if m.cfg.IgnoredDevice(remoteID) {
|
|
return errDeviceIgnored
|
|
}
|
|
|
|
cfg, ok := m.cfg.Device(remoteID)
|
|
if !ok {
|
|
events.Default.Log(events.DeviceRejected, map[string]string{
|
|
"name": hello.DeviceName,
|
|
"device": remoteID.String(),
|
|
"address": addr.String(),
|
|
})
|
|
return errDeviceUnknown
|
|
}
|
|
|
|
if cfg.Paused {
|
|
return errDevicePaused
|
|
}
|
|
|
|
if len(cfg.AllowedNetworks) > 0 {
|
|
if !connections.IsAllowedNetwork(addr.String(), cfg.AllowedNetworks) {
|
|
return errNetworkNotAllowed
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// GetHello is called when we are about to connect to some remote device.
|
|
func (m *Model) GetHello(id protocol.DeviceID) protocol.HelloIntf {
|
|
name := ""
|
|
if _, ok := m.cfg.Device(id); ok {
|
|
name = m.cfg.MyName()
|
|
}
|
|
return &protocol.Hello{
|
|
DeviceName: name,
|
|
ClientName: m.clientName,
|
|
ClientVersion: m.clientVersion,
|
|
}
|
|
}
|
|
|
|
// AddConnection adds a new peer connection to the model. An initial index will
|
|
// be sent to the connected peer, thereafter index updates whenever the local
|
|
// folder changes.
|
|
func (m *Model) AddConnection(conn connections.Connection, hello protocol.HelloResult) {
|
|
deviceID := conn.ID()
|
|
|
|
m.pmut.Lock()
|
|
if oldConn, ok := m.conn[deviceID]; ok {
|
|
l.Infoln("Replacing old connection", oldConn, "with", conn, "for", deviceID)
|
|
// There is an existing connection to this device that we are
|
|
// replacing. We must close the existing connection and wait for the
|
|
// close to complete before adding the new connection. We do the
|
|
// actual close without holding pmut as the connection will call
|
|
// back into Closed() for the cleanup.
|
|
closed := m.closed[deviceID]
|
|
m.pmut.Unlock()
|
|
closeRawConn(oldConn)
|
|
<-closed
|
|
m.pmut.Lock()
|
|
}
|
|
|
|
m.conn[deviceID] = conn
|
|
m.closed[deviceID] = make(chan struct{})
|
|
m.deviceDownloads[deviceID] = newDeviceDownloadState()
|
|
|
|
m.helloMessages[deviceID] = hello
|
|
|
|
event := map[string]string{
|
|
"id": deviceID.String(),
|
|
"deviceName": hello.DeviceName,
|
|
"clientName": hello.ClientName,
|
|
"clientVersion": hello.ClientVersion,
|
|
"type": conn.Type(),
|
|
}
|
|
|
|
addr := conn.RemoteAddr()
|
|
if addr != nil {
|
|
event["addr"] = addr.String()
|
|
}
|
|
|
|
events.Default.Log(events.DeviceConnected, event)
|
|
|
|
l.Infof(`Device %s client is "%s %s" named "%s" at %s`, deviceID, hello.ClientName, hello.ClientVersion, hello.DeviceName, conn)
|
|
|
|
conn.Start()
|
|
m.pmut.Unlock()
|
|
|
|
// Acquires fmut, so has to be done outside of pmut.
|
|
cm := m.generateClusterConfig(deviceID)
|
|
conn.ClusterConfig(cm)
|
|
|
|
device, ok := m.cfg.Devices()[deviceID]
|
|
if ok && (device.Name == "" || m.cfg.Options().OverwriteRemoteDevNames) && hello.DeviceName != "" {
|
|
device.Name = hello.DeviceName
|
|
m.cfg.SetDevice(device)
|
|
m.cfg.Save()
|
|
}
|
|
|
|
m.deviceWasSeen(deviceID)
|
|
}
|
|
|
|
func (m *Model) DownloadProgress(device protocol.DeviceID, folder string, updates []protocol.FileDownloadProgressUpdate) {
|
|
if !m.folderSharedWith(folder, device) {
|
|
return
|
|
}
|
|
|
|
m.fmut.RLock()
|
|
cfg, ok := m.folderCfgs[folder]
|
|
m.fmut.RUnlock()
|
|
|
|
if !ok || cfg.Type == config.FolderTypeSendOnly || cfg.DisableTempIndexes {
|
|
return
|
|
}
|
|
|
|
m.pmut.RLock()
|
|
m.deviceDownloads[device].Update(folder, updates)
|
|
state := m.deviceDownloads[device].GetBlockCounts(folder)
|
|
m.pmut.RUnlock()
|
|
|
|
events.Default.Log(events.RemoteDownloadProgress, map[string]interface{}{
|
|
"device": device.String(),
|
|
"folder": folder,
|
|
"state": state,
|
|
})
|
|
}
|
|
|
|
func (m *Model) deviceStatRef(deviceID protocol.DeviceID) *stats.DeviceStatisticsReference {
|
|
m.fmut.Lock()
|
|
defer m.fmut.Unlock()
|
|
|
|
if sr, ok := m.deviceStatRefs[deviceID]; ok {
|
|
return sr
|
|
}
|
|
|
|
sr := stats.NewDeviceStatisticsReference(m.db, deviceID.String())
|
|
m.deviceStatRefs[deviceID] = sr
|
|
return sr
|
|
}
|
|
|
|
func (m *Model) deviceWasSeen(deviceID protocol.DeviceID) {
|
|
m.deviceStatRef(deviceID).WasSeen()
|
|
}
|
|
|
|
func (m *Model) folderStatRef(folder string) *stats.FolderStatisticsReference {
|
|
m.fmut.Lock()
|
|
defer m.fmut.Unlock()
|
|
|
|
sr, ok := m.folderStatRefs[folder]
|
|
if !ok {
|
|
sr = stats.NewFolderStatisticsReference(m.db, folder)
|
|
m.folderStatRefs[folder] = sr
|
|
}
|
|
return sr
|
|
}
|
|
|
|
func (m *Model) receivedFile(folder string, file protocol.FileInfo) {
|
|
m.folderStatRef(folder).ReceivedFile(file.Name, file.IsDeleted())
|
|
}
|
|
|
|
func sendIndexes(conn protocol.Connection, folder string, fs *db.FileSet, ignores *ignore.Matcher, startSequence int64, dbLocation string, dropSymlinks bool) {
|
|
deviceID := conn.ID()
|
|
var err error
|
|
|
|
l.Debugf("Starting sendIndexes for %s to %s at %s (slv=%d)", folder, deviceID, conn, startSequence)
|
|
defer l.Debugf("Exiting sendIndexes for %s to %s at %s: %v", folder, deviceID, conn, err)
|
|
|
|
minSequence, err := sendIndexTo(startSequence, conn, folder, fs, ignores, dbLocation, dropSymlinks)
|
|
|
|
// Subscribe to LocalIndexUpdated (we have new information to send) and
|
|
// DeviceDisconnected (it might be us who disconnected, so we should
|
|
// exit).
|
|
sub := events.Default.Subscribe(events.LocalIndexUpdated | events.DeviceDisconnected)
|
|
defer events.Default.Unsubscribe(sub)
|
|
|
|
for err == nil {
|
|
if conn.Closed() {
|
|
// Our work is done.
|
|
return
|
|
}
|
|
|
|
// While we have sent a sequence at least equal to the one
|
|
// currently in the database, wait for the local index to update. The
|
|
// local index may update for other folders than the one we are
|
|
// sending for.
|
|
if fs.Sequence(protocol.LocalDeviceID) <= minSequence {
|
|
sub.Poll(time.Minute)
|
|
continue
|
|
}
|
|
|
|
minSequence, err = sendIndexTo(minSequence, conn, folder, fs, ignores, dbLocation, dropSymlinks)
|
|
|
|
// Wait a short amount of time before entering the next loop. If there
|
|
// are continuous changes happening to the local index, this gives us
|
|
// time to batch them up a little.
|
|
time.Sleep(250 * time.Millisecond)
|
|
}
|
|
}
|
|
|
|
func sendIndexTo(minSequence int64, conn protocol.Connection, folder string, fs *db.FileSet, ignores *ignore.Matcher, dbLocation string, dropSymlinks bool) (int64, error) {
|
|
deviceID := conn.ID()
|
|
batch := make([]protocol.FileInfo, 0, maxBatchSizeFiles)
|
|
batchSizeBytes := 0
|
|
initial := minSequence == 0
|
|
maxSequence := minSequence
|
|
var err error
|
|
debugMsg := func(t string) string {
|
|
return fmt.Sprintf("Sending indexes for %s to %s at %s: %d files (<%d bytes) (%s)", folder, deviceID, conn, len(batch), batchSizeBytes, t)
|
|
}
|
|
|
|
sorter := NewIndexSorter(dbLocation)
|
|
defer sorter.Close()
|
|
|
|
fs.WithHave(protocol.LocalDeviceID, func(fi db.FileIntf) bool {
|
|
f := fi.(protocol.FileInfo)
|
|
if f.Sequence <= minSequence {
|
|
return true
|
|
}
|
|
|
|
if f.Sequence > maxSequence {
|
|
maxSequence = f.Sequence
|
|
}
|
|
|
|
if dropSymlinks && f.IsSymlink() {
|
|
// Do not send index entries with symlinks to clients that can't
|
|
// handle it. Fixes issue #3802. Once both sides are upgraded, a
|
|
// rescan (i.e., change) of the symlink is required for it to
|
|
// sync again, due to delta indexes.
|
|
return true
|
|
}
|
|
|
|
sorter.Append(f)
|
|
return true
|
|
})
|
|
|
|
sorter.Sorted(func(f protocol.FileInfo) bool {
|
|
if len(batch) == maxBatchSizeFiles || batchSizeBytes > maxBatchSizeBytes {
|
|
if initial {
|
|
if err = conn.Index(folder, batch); err != nil {
|
|
return false
|
|
}
|
|
l.Debugln(debugMsg("initial index"))
|
|
initial = false
|
|
} else {
|
|
if err = conn.IndexUpdate(folder, batch); err != nil {
|
|
return false
|
|
}
|
|
l.Debugln(debugMsg("batched update"))
|
|
}
|
|
|
|
batch = make([]protocol.FileInfo, 0, maxBatchSizeFiles)
|
|
batchSizeBytes = 0
|
|
}
|
|
|
|
batch = append(batch, f)
|
|
batchSizeBytes += f.ProtoSize()
|
|
return true
|
|
})
|
|
|
|
if initial && err == nil {
|
|
err = conn.Index(folder, batch)
|
|
if err == nil {
|
|
l.Debugln(debugMsg("small initial index"))
|
|
}
|
|
} else if len(batch) > 0 && err == nil {
|
|
err = conn.IndexUpdate(folder, batch)
|
|
if err == nil {
|
|
l.Debugln(debugMsg("last batch"))
|
|
}
|
|
}
|
|
|
|
return maxSequence, err
|
|
}
|
|
|
|
func (m *Model) updateLocalsFromScanning(folder string, fs []protocol.FileInfo) {
|
|
m.updateLocals(folder, fs)
|
|
|
|
m.fmut.RLock()
|
|
folderCfg := m.folderCfgs[folder]
|
|
m.fmut.RUnlock()
|
|
|
|
m.diskChangeDetected(folderCfg, fs, events.LocalChangeDetected)
|
|
}
|
|
|
|
func (m *Model) updateLocalsFromPulling(folder string, fs []protocol.FileInfo) {
|
|
m.updateLocals(folder, fs)
|
|
|
|
m.fmut.RLock()
|
|
folderCfg := m.folderCfgs[folder]
|
|
m.fmut.RUnlock()
|
|
|
|
m.diskChangeDetected(folderCfg, fs, events.RemoteChangeDetected)
|
|
}
|
|
|
|
func (m *Model) updateLocals(folder string, fs []protocol.FileInfo) {
|
|
m.fmut.RLock()
|
|
files := m.folderFiles[folder]
|
|
m.fmut.RUnlock()
|
|
if files == nil {
|
|
// The folder doesn't exist.
|
|
return
|
|
}
|
|
files.Update(protocol.LocalDeviceID, fs)
|
|
|
|
filenames := make([]string, len(fs))
|
|
for i, file := range fs {
|
|
filenames[i] = file.Name
|
|
}
|
|
|
|
events.Default.Log(events.LocalIndexUpdated, map[string]interface{}{
|
|
"folder": folder,
|
|
"items": len(fs),
|
|
"filenames": filenames,
|
|
"version": files.Sequence(protocol.LocalDeviceID),
|
|
})
|
|
}
|
|
|
|
func (m *Model) diskChangeDetected(folderCfg config.FolderConfiguration, files []protocol.FileInfo, typeOfEvent events.EventType) {
|
|
for _, file := range files {
|
|
if file.IsInvalid() {
|
|
continue
|
|
}
|
|
|
|
objType := "file"
|
|
action := "modified"
|
|
|
|
switch {
|
|
case file.IsDeleted():
|
|
action = "deleted"
|
|
|
|
// If our local vector is version 1 AND it is the only version
|
|
// vector so far seen for this file then it is a new file. Else if
|
|
// it is > 1 it's not new, and if it is 1 but another shortId
|
|
// version vector exists then it is new for us but created elsewhere
|
|
// so the file is still not new but modified by us. Only if it is
|
|
// truly new do we change this to 'added', else we leave it as
|
|
// 'modified'.
|
|
case len(file.Version.Counters) == 1 && file.Version.Counters[0].Value == 1:
|
|
action = "added"
|
|
}
|
|
|
|
if file.IsSymlink() {
|
|
objType = "symlink"
|
|
} else if file.IsDirectory() {
|
|
objType = "dir"
|
|
}
|
|
|
|
// Two different events can be fired here based on what EventType is passed into function
|
|
events.Default.Log(typeOfEvent, map[string]string{
|
|
"folder": folderCfg.ID,
|
|
"folderID": folderCfg.ID, // incorrect, deprecated, kept for historical compliance
|
|
"label": folderCfg.Label,
|
|
"action": action,
|
|
"type": objType,
|
|
"path": filepath.FromSlash(file.Name),
|
|
"modifiedBy": file.ModifiedBy.String(),
|
|
})
|
|
}
|
|
}
|
|
|
|
func (m *Model) requestGlobal(deviceID protocol.DeviceID, folder, name string, offset int64, size int, hash []byte, fromTemporary bool) ([]byte, error) {
|
|
m.pmut.RLock()
|
|
nc, ok := m.conn[deviceID]
|
|
m.pmut.RUnlock()
|
|
|
|
if !ok {
|
|
return nil, fmt.Errorf("requestGlobal: no such device: %s", deviceID)
|
|
}
|
|
|
|
l.Debugf("%v REQ(out): %s: %q / %q o=%d s=%d h=%x ft=%t", m, deviceID, folder, name, offset, size, hash, fromTemporary)
|
|
|
|
return nc.Request(folder, name, offset, size, hash, fromTemporary)
|
|
}
|
|
|
|
func (m *Model) ScanFolders() map[string]error {
|
|
m.fmut.RLock()
|
|
folders := make([]string, 0, len(m.folderCfgs))
|
|
for folder := range m.folderCfgs {
|
|
folders = append(folders, folder)
|
|
}
|
|
m.fmut.RUnlock()
|
|
|
|
errors := make(map[string]error, len(m.folderCfgs))
|
|
errorsMut := sync.NewMutex()
|
|
|
|
wg := sync.NewWaitGroup()
|
|
wg.Add(len(folders))
|
|
for _, folder := range folders {
|
|
folder := folder
|
|
go func() {
|
|
err := m.ScanFolder(folder)
|
|
if err != nil {
|
|
errorsMut.Lock()
|
|
errors[folder] = err
|
|
errorsMut.Unlock()
|
|
|
|
// Potentially sets the error twice, once in the scanner just
|
|
// by doing a check, and once here, if the error returned is
|
|
// the same one as returned by CheckHealth, though
|
|
// duplicate set is handled by setError.
|
|
m.fmut.RLock()
|
|
srv := m.folderRunners[folder]
|
|
m.fmut.RUnlock()
|
|
srv.setError(err)
|
|
}
|
|
wg.Done()
|
|
}()
|
|
}
|
|
wg.Wait()
|
|
return errors
|
|
}
|
|
|
|
func (m *Model) ScanFolder(folder string) error {
|
|
return m.ScanFolderSubdirs(folder, nil)
|
|
}
|
|
|
|
func (m *Model) ScanFolderSubdirs(folder string, subs []string) error {
|
|
m.fmut.RLock()
|
|
if err := m.checkFolderRunningLocked(folder); err != nil {
|
|
m.fmut.RUnlock()
|
|
return err
|
|
}
|
|
runner := m.folderRunners[folder]
|
|
m.fmut.RUnlock()
|
|
|
|
return runner.Scan(subs)
|
|
}
|
|
|
|
func (m *Model) internalScanFolderSubdirs(ctx context.Context, folder string, subDirs []string) error {
|
|
m.fmut.RLock()
|
|
if err := m.checkFolderRunningLocked(folder); err != nil {
|
|
m.fmut.RUnlock()
|
|
return err
|
|
}
|
|
fset := m.folderFiles[folder]
|
|
folderCfg := m.folderCfgs[folder]
|
|
ignores := m.folderIgnores[folder]
|
|
runner := m.folderRunners[folder]
|
|
m.fmut.RUnlock()
|
|
mtimefs := fset.MtimeFS()
|
|
|
|
for i := range subDirs {
|
|
sub := osutil.NativeFilename(subDirs[i])
|
|
|
|
if sub == "" {
|
|
// A blank subdirs means to scan the entire folder. We can trim
|
|
// the subDirs list and go on our way.
|
|
subDirs = nil
|
|
break
|
|
}
|
|
|
|
subDirs[i] = sub
|
|
}
|
|
|
|
// Check if the ignore patterns changed as part of scanning this folder.
|
|
// If they did we should schedule a pull of the folder so that we
|
|
// request things we might have suddenly become unignored and so on.
|
|
oldHash := ignores.Hash()
|
|
defer func() {
|
|
if ignores.Hash() != oldHash {
|
|
l.Debugln("Folder", folder, "ignore patterns changed; triggering puller")
|
|
runner.IgnoresUpdated()
|
|
}
|
|
}()
|
|
|
|
if err := runner.CheckHealth(); err != nil {
|
|
return err
|
|
}
|
|
|
|
if err := ignores.Load(".stignore"); err != nil && !fs.IsNotExist(err) {
|
|
err = fmt.Errorf("loading ignores: %v", err)
|
|
runner.setError(err)
|
|
return err
|
|
}
|
|
|
|
// Clean the list of subitems to ensure that we start at a known
|
|
// directory, and don't scan subdirectories of things we've already
|
|
// scanned.
|
|
subDirs = unifySubs(subDirs, func(f string) bool {
|
|
_, ok := fset.Get(protocol.LocalDeviceID, f)
|
|
return ok
|
|
})
|
|
|
|
runner.setState(FolderScanning)
|
|
|
|
fchan := scanner.Walk(ctx, scanner.Config{
|
|
Folder: folderCfg.ID,
|
|
Subs: subDirs,
|
|
Matcher: ignores,
|
|
TempLifetime: time.Duration(m.cfg.Options().KeepTemporariesH) * time.Hour,
|
|
CurrentFiler: cFiler{m, folder},
|
|
Filesystem: mtimefs,
|
|
IgnorePerms: folderCfg.IgnorePerms,
|
|
AutoNormalize: folderCfg.AutoNormalize,
|
|
Hashers: m.numHashers(folder),
|
|
ShortID: m.shortID,
|
|
ProgressTickIntervalS: folderCfg.ScanProgressIntervalS,
|
|
UseWeakHashes: weakhash.Enabled,
|
|
UseLargeBlocks: folderCfg.UseLargeBlocks,
|
|
})
|
|
|
|
if err := runner.CheckHealth(); err != nil {
|
|
return err
|
|
}
|
|
|
|
batch := make([]protocol.FileInfo, 0, maxBatchSizeFiles)
|
|
batchSizeBytes := 0
|
|
changes := 0
|
|
|
|
// Schedule a pull after scanning, but only if we actually detected any
|
|
// changes.
|
|
defer func() {
|
|
if changes > 0 {
|
|
runner.SchedulePull()
|
|
}
|
|
}()
|
|
|
|
for f := range fchan {
|
|
if len(batch) == maxBatchSizeFiles || batchSizeBytes > maxBatchSizeBytes {
|
|
if err := runner.CheckHealth(); err != nil {
|
|
l.Debugln("Stopping scan of folder %s due to: %s", folderCfg.Description(), err)
|
|
return err
|
|
}
|
|
m.updateLocalsFromScanning(folder, batch)
|
|
batch = batch[:0]
|
|
batchSizeBytes = 0
|
|
}
|
|
|
|
batch = append(batch, f)
|
|
batchSizeBytes += f.ProtoSize()
|
|
changes++
|
|
}
|
|
|
|
if err := runner.CheckHealth(); err != nil {
|
|
l.Debugln("Stopping scan of folder %s due to: %s", folderCfg.Description(), err)
|
|
return err
|
|
} else if len(batch) > 0 {
|
|
m.updateLocalsFromScanning(folder, batch)
|
|
}
|
|
|
|
if len(subDirs) == 0 {
|
|
// If we have no specific subdirectories to traverse, set it to one
|
|
// empty prefix so we traverse the entire folder contents once.
|
|
subDirs = []string{""}
|
|
}
|
|
|
|
// Do a scan of the database for each prefix, to check for deleted and
|
|
// ignored files.
|
|
batch = batch[:0]
|
|
batchSizeBytes = 0
|
|
for _, sub := range subDirs {
|
|
var iterError error
|
|
|
|
fset.WithPrefixedHaveTruncated(protocol.LocalDeviceID, sub, func(fi db.FileIntf) bool {
|
|
f := fi.(db.FileInfoTruncated)
|
|
if len(batch) == maxBatchSizeFiles || batchSizeBytes > maxBatchSizeBytes {
|
|
if err := runner.CheckHealth(); err != nil {
|
|
iterError = err
|
|
return false
|
|
}
|
|
m.updateLocalsFromScanning(folder, batch)
|
|
batch = batch[:0]
|
|
batchSizeBytes = 0
|
|
}
|
|
|
|
switch {
|
|
case !f.IsInvalid() && ignores.Match(f.Name).IsIgnored():
|
|
// File was valid at last pass but has been ignored. Set invalid bit.
|
|
l.Debugln("setting invalid bit on ignored", f)
|
|
nf := f.ConvertToInvalidFileInfo(m.id.Short())
|
|
batch = append(batch, nf)
|
|
batchSizeBytes += nf.ProtoSize()
|
|
changes++
|
|
|
|
case f.IsInvalid() && !ignores.Match(f.Name).IsIgnored():
|
|
// Successfully scanned items are already un-ignored during
|
|
// the scan, so check whether it is deleted.
|
|
fallthrough
|
|
case !f.IsInvalid() && !f.IsDeleted():
|
|
// The file is valid and not deleted. Lets check if it's
|
|
// still here.
|
|
// Simply stating it wont do as there are tons of corner
|
|
// cases (e.g. parent dir->simlink, missing permissions)
|
|
if !osutil.IsDeleted(mtimefs, f.Name) {
|
|
return true
|
|
}
|
|
nf := protocol.FileInfo{
|
|
Name: f.Name,
|
|
Type: f.Type,
|
|
Size: 0,
|
|
ModifiedS: f.ModifiedS,
|
|
ModifiedNs: f.ModifiedNs,
|
|
ModifiedBy: m.id.Short(),
|
|
Deleted: true,
|
|
Version: f.Version.Update(m.shortID),
|
|
}
|
|
// We do not want to override the global version
|
|
// with the deleted file. Keeping only our local
|
|
// counter makes sure we are in conflict with any
|
|
// other existing versions, which will be resolved
|
|
// by the normal pulling mechanisms.
|
|
if f.IsInvalid() {
|
|
nf.Version = nf.Version.DropOthers(m.shortID)
|
|
}
|
|
|
|
batch = append(batch, nf)
|
|
batchSizeBytes += nf.ProtoSize()
|
|
changes++
|
|
}
|
|
return true
|
|
})
|
|
|
|
if iterError != nil {
|
|
l.Debugln("Stopping scan of folder %s due to: %s", folderCfg.Description(), iterError)
|
|
return iterError
|
|
}
|
|
}
|
|
|
|
if err := runner.CheckHealth(); err != nil {
|
|
l.Debugln("Stopping scan of folder %s due to: %s", folderCfg.Description(), err)
|
|
return err
|
|
} else if len(batch) > 0 {
|
|
m.updateLocalsFromScanning(folder, batch)
|
|
}
|
|
|
|
m.folderStatRef(folder).ScanCompleted()
|
|
runner.setState(FolderIdle)
|
|
return nil
|
|
}
|
|
|
|
func (m *Model) DelayScan(folder string, next time.Duration) {
|
|
m.fmut.Lock()
|
|
runner, ok := m.folderRunners[folder]
|
|
m.fmut.Unlock()
|
|
if !ok {
|
|
return
|
|
}
|
|
runner.DelayScan(next)
|
|
}
|
|
|
|
// numHashers returns the number of hasher routines to use for a given folder,
|
|
// taking into account configuration and available CPU cores.
|
|
func (m *Model) numHashers(folder string) int {
|
|
m.fmut.Lock()
|
|
folderCfg := m.folderCfgs[folder]
|
|
numFolders := len(m.folderCfgs)
|
|
m.fmut.Unlock()
|
|
|
|
if folderCfg.Hashers > 0 {
|
|
// Specific value set in the config, use that.
|
|
return folderCfg.Hashers
|
|
}
|
|
|
|
if runtime.GOOS == "windows" || runtime.GOOS == "darwin" {
|
|
// Interactive operating systems; don't load the system too heavily by
|
|
// default.
|
|
return 1
|
|
}
|
|
|
|
// For other operating systems and architectures, lets try to get some
|
|
// work done... Divide the available CPU cores among the configured
|
|
// folders.
|
|
if perFolder := runtime.GOMAXPROCS(-1) / numFolders; perFolder > 0 {
|
|
return perFolder
|
|
}
|
|
|
|
return 1
|
|
}
|
|
|
|
// generateClusterConfig returns a ClusterConfigMessage that is correct for
|
|
// the given peer device
|
|
func (m *Model) generateClusterConfig(device protocol.DeviceID) protocol.ClusterConfig {
|
|
var message protocol.ClusterConfig
|
|
|
|
m.fmut.RLock()
|
|
// The list of folders in the message is sorted, so we always get the
|
|
// same order.
|
|
folders := m.deviceFolders[device]
|
|
sort.Strings(folders)
|
|
|
|
for _, folder := range folders {
|
|
folderCfg := m.cfg.Folders()[folder]
|
|
fs := m.folderFiles[folder]
|
|
|
|
protocolFolder := protocol.Folder{
|
|
ID: folder,
|
|
Label: folderCfg.Label,
|
|
ReadOnly: folderCfg.Type == config.FolderTypeSendOnly,
|
|
IgnorePermissions: folderCfg.IgnorePerms,
|
|
IgnoreDelete: folderCfg.IgnoreDelete,
|
|
DisableTempIndexes: folderCfg.DisableTempIndexes,
|
|
Paused: folderCfg.Paused,
|
|
}
|
|
|
|
// Devices are sorted, so we always get the same order.
|
|
for _, device := range m.folderDevices.sortedDevices(folder) {
|
|
deviceCfg := m.cfg.Devices()[device]
|
|
|
|
var indexID protocol.IndexID
|
|
var maxSequence int64
|
|
if device == m.id {
|
|
indexID = fs.IndexID(protocol.LocalDeviceID)
|
|
maxSequence = fs.Sequence(protocol.LocalDeviceID)
|
|
} else {
|
|
indexID = fs.IndexID(device)
|
|
maxSequence = fs.Sequence(device)
|
|
}
|
|
|
|
protocolDevice := protocol.Device{
|
|
ID: device,
|
|
Name: deviceCfg.Name,
|
|
Addresses: deviceCfg.Addresses,
|
|
Compression: deviceCfg.Compression,
|
|
CertName: deviceCfg.CertName,
|
|
Introducer: deviceCfg.Introducer,
|
|
IndexID: indexID,
|
|
MaxSequence: maxSequence,
|
|
}
|
|
|
|
protocolFolder.Devices = append(protocolFolder.Devices, protocolDevice)
|
|
}
|
|
message.Folders = append(message.Folders, protocolFolder)
|
|
}
|
|
m.fmut.RUnlock()
|
|
|
|
return message
|
|
}
|
|
|
|
func (m *Model) State(folder string) (string, time.Time, error) {
|
|
m.fmut.RLock()
|
|
runner, ok := m.folderRunners[folder]
|
|
m.fmut.RUnlock()
|
|
if !ok {
|
|
// The returned error should be an actual folder error, so returning
|
|
// errors.New("does not exist") or similar here would be
|
|
// inappropriate.
|
|
return "", time.Time{}, nil
|
|
}
|
|
state, changed, err := runner.getState()
|
|
return state.String(), changed, err
|
|
}
|
|
|
|
func (m *Model) PullErrors(folder string) ([]FileError, error) {
|
|
m.fmut.RLock()
|
|
defer m.fmut.RUnlock()
|
|
if err := m.checkFolderRunningLocked(folder); err != nil {
|
|
return nil, err
|
|
}
|
|
return m.folderRunners[folder].PullErrors(), nil
|
|
}
|
|
|
|
func (m *Model) WatchError(folder string) error {
|
|
m.fmut.RLock()
|
|
defer m.fmut.RUnlock()
|
|
if err := m.checkFolderRunningLocked(folder); err != nil {
|
|
return err
|
|
}
|
|
return m.folderRunners[folder].WatchError()
|
|
}
|
|
|
|
func (m *Model) Override(folder string) {
|
|
m.fmut.RLock()
|
|
fs, ok := m.folderFiles[folder]
|
|
runner := m.folderRunners[folder]
|
|
m.fmut.RUnlock()
|
|
if !ok {
|
|
return
|
|
}
|
|
|
|
runner.setState(FolderScanning)
|
|
batch := make([]protocol.FileInfo, 0, maxBatchSizeFiles)
|
|
batchSizeBytes := 0
|
|
fs.WithNeed(protocol.LocalDeviceID, func(fi db.FileIntf) bool {
|
|
need := fi.(protocol.FileInfo)
|
|
if len(batch) == maxBatchSizeFiles || batchSizeBytes > maxBatchSizeBytes {
|
|
m.updateLocalsFromScanning(folder, batch)
|
|
batch = batch[:0]
|
|
batchSizeBytes = 0
|
|
}
|
|
|
|
have, ok := fs.Get(protocol.LocalDeviceID, need.Name)
|
|
// Don't override invalid (e.g. ignored) files
|
|
if ok && have.Invalid {
|
|
return true
|
|
}
|
|
if !ok || have.Name != need.Name {
|
|
// We are missing the file
|
|
need.Deleted = true
|
|
need.Blocks = nil
|
|
need.Version = need.Version.Update(m.shortID)
|
|
need.Size = 0
|
|
} else {
|
|
// We have the file, replace with our version
|
|
have.Version = have.Version.Merge(need.Version).Update(m.shortID)
|
|
need = have
|
|
}
|
|
need.Sequence = 0
|
|
batch = append(batch, need)
|
|
batchSizeBytes += need.ProtoSize()
|
|
return true
|
|
})
|
|
if len(batch) > 0 {
|
|
m.updateLocalsFromScanning(folder, batch)
|
|
}
|
|
runner.setState(FolderIdle)
|
|
}
|
|
|
|
// CurrentSequence returns the change version for the given folder.
|
|
// This is guaranteed to increment if the contents of the local folder has
|
|
// changed.
|
|
func (m *Model) CurrentSequence(folder string) (int64, bool) {
|
|
m.fmut.RLock()
|
|
fs, ok := m.folderFiles[folder]
|
|
m.fmut.RUnlock()
|
|
if !ok {
|
|
// The folder might not exist, since this can be called with a user
|
|
// specified folder name from the REST interface.
|
|
return 0, false
|
|
}
|
|
|
|
return fs.Sequence(protocol.LocalDeviceID), true
|
|
}
|
|
|
|
// RemoteSequence returns the change version for the given folder, as
|
|
// sent by remote peers. This is guaranteed to increment if the contents of
|
|
// the remote or global folder has changed.
|
|
func (m *Model) RemoteSequence(folder string) (int64, bool) {
|
|
m.fmut.RLock()
|
|
defer m.fmut.RUnlock()
|
|
|
|
fs, ok := m.folderFiles[folder]
|
|
if !ok {
|
|
// The folder might not exist, since this can be called with a user
|
|
// specified folder name from the REST interface.
|
|
return 0, false
|
|
}
|
|
|
|
var ver int64
|
|
for device := range m.folderDevices[folder] {
|
|
ver += fs.Sequence(device)
|
|
}
|
|
|
|
return ver, true
|
|
}
|
|
|
|
func (m *Model) GlobalDirectoryTree(folder, prefix string, levels int, dirsonly bool) map[string]interface{} {
|
|
m.fmut.RLock()
|
|
files, ok := m.folderFiles[folder]
|
|
m.fmut.RUnlock()
|
|
if !ok {
|
|
return nil
|
|
}
|
|
|
|
output := make(map[string]interface{})
|
|
sep := string(filepath.Separator)
|
|
prefix = osutil.NativeFilename(prefix)
|
|
|
|
if prefix != "" && !strings.HasSuffix(prefix, sep) {
|
|
prefix = prefix + sep
|
|
}
|
|
|
|
files.WithPrefixedGlobalTruncated(prefix, func(fi db.FileIntf) bool {
|
|
f := fi.(db.FileInfoTruncated)
|
|
|
|
if f.IsInvalid() || f.IsDeleted() || f.Name == prefix {
|
|
return true
|
|
}
|
|
|
|
f.Name = strings.Replace(f.Name, prefix, "", 1)
|
|
|
|
var dir, base string
|
|
if f.IsDirectory() && !f.IsSymlink() {
|
|
dir = f.Name
|
|
} else {
|
|
dir = filepath.Dir(f.Name)
|
|
base = filepath.Base(f.Name)
|
|
}
|
|
|
|
if levels > -1 && strings.Count(f.Name, sep) > levels {
|
|
return true
|
|
}
|
|
|
|
last := output
|
|
if dir != "." {
|
|
for _, path := range strings.Split(dir, sep) {
|
|
directory, ok := last[path]
|
|
if !ok {
|
|
newdir := make(map[string]interface{})
|
|
last[path] = newdir
|
|
last = newdir
|
|
} else {
|
|
last = directory.(map[string]interface{})
|
|
}
|
|
}
|
|
}
|
|
|
|
if !dirsonly && base != "" {
|
|
last[base] = []interface{}{
|
|
f.ModTime(), f.FileSize(),
|
|
}
|
|
}
|
|
|
|
return true
|
|
})
|
|
|
|
return output
|
|
}
|
|
|
|
func (m *Model) GetFolderVersions(folder string) (map[string][]versioner.FileVersion, error) {
|
|
fcfg, ok := m.cfg.Folder(folder)
|
|
if !ok {
|
|
return nil, errFolderMissing
|
|
}
|
|
|
|
files := make(map[string][]versioner.FileVersion)
|
|
|
|
filesystem := fcfg.Filesystem()
|
|
err := filesystem.Walk(".stversions", func(path string, f fs.FileInfo, err error) error {
|
|
// Skip root (which is ok to be a symlink)
|
|
if path == ".stversions" {
|
|
return nil
|
|
}
|
|
|
|
// Ignore symlinks
|
|
if f.IsSymlink() {
|
|
return fs.SkipDir
|
|
}
|
|
|
|
// No records for directories
|
|
if f.IsDir() {
|
|
return nil
|
|
}
|
|
|
|
// Strip .stversions prefix.
|
|
path = strings.TrimPrefix(path, ".stversions"+string(fs.PathSeparator))
|
|
|
|
name, tag := versioner.UntagFilename(path)
|
|
// Something invalid
|
|
if name == "" || tag == "" {
|
|
return nil
|
|
}
|
|
|
|
name = osutil.NormalizedFilename(name)
|
|
|
|
versionTime, err := time.ParseInLocation(versioner.TimeFormat, tag, locationLocal)
|
|
if err != nil {
|
|
return nil
|
|
}
|
|
|
|
files[name] = append(files[name], versioner.FileVersion{
|
|
VersionTime: versionTime.Truncate(time.Second),
|
|
ModTime: f.ModTime().Truncate(time.Second),
|
|
Size: f.Size(),
|
|
})
|
|
return nil
|
|
})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return files, nil
|
|
}
|
|
|
|
func (m *Model) RestoreFolderVersions(folder string, versions map[string]time.Time) (map[string]string, error) {
|
|
fcfg, ok := m.cfg.Folder(folder)
|
|
if !ok {
|
|
return nil, errFolderMissing
|
|
}
|
|
|
|
filesystem := fcfg.Filesystem()
|
|
ver := fcfg.Versioner()
|
|
|
|
restore := make(map[string]string)
|
|
errors := make(map[string]string)
|
|
|
|
// Validation
|
|
for file, version := range versions {
|
|
file = osutil.NativeFilename(file)
|
|
tag := version.In(locationLocal).Truncate(time.Second).Format(versioner.TimeFormat)
|
|
versionedTaggedFilename := filepath.Join(".stversions", versioner.TagFilename(file, tag))
|
|
// Check that the thing we've been asked to restore is actually a file
|
|
// and that it exists.
|
|
if info, err := filesystem.Lstat(versionedTaggedFilename); err != nil {
|
|
errors[file] = err.Error()
|
|
continue
|
|
} else if !info.IsRegular() {
|
|
errors[file] = "not a file"
|
|
continue
|
|
}
|
|
|
|
// Check that the target location of where we are supposed to restore
|
|
// either does not exist, or is actually a file.
|
|
if info, err := filesystem.Lstat(file); err == nil && !info.IsRegular() {
|
|
errors[file] = "cannot replace a non-file"
|
|
continue
|
|
} else if err != nil && !fs.IsNotExist(err) {
|
|
errors[file] = err.Error()
|
|
continue
|
|
}
|
|
|
|
restore[file] = versionedTaggedFilename
|
|
}
|
|
|
|
// Execution
|
|
var err error
|
|
for target, source := range restore {
|
|
err = nil
|
|
if _, serr := filesystem.Lstat(target); serr == nil {
|
|
if ver != nil {
|
|
err = osutil.InWritableDir(ver.Archive, filesystem, target)
|
|
} else {
|
|
err = osutil.InWritableDir(filesystem.Remove, filesystem, target)
|
|
}
|
|
}
|
|
|
|
filesystem.MkdirAll(filepath.Dir(target), 0755)
|
|
if err == nil {
|
|
err = osutil.Copy(filesystem, source, target)
|
|
}
|
|
|
|
if err != nil {
|
|
errors[target] = err.Error()
|
|
continue
|
|
}
|
|
}
|
|
|
|
// Trigger scan
|
|
if !fcfg.FSWatcherEnabled {
|
|
m.ScanFolder(folder)
|
|
}
|
|
|
|
return errors, nil
|
|
}
|
|
|
|
func (m *Model) Availability(folder string, file protocol.FileInfo, block protocol.BlockInfo) []Availability {
|
|
// The slightly unusual locking sequence here is because we need to hold
|
|
// pmut for the duration (as the value returned from foldersFiles can
|
|
// get heavily modified on Close()), but also must acquire fmut before
|
|
// pmut. (The locks can be *released* in any order.)
|
|
m.fmut.RLock()
|
|
m.pmut.RLock()
|
|
defer m.pmut.RUnlock()
|
|
|
|
fs, ok := m.folderFiles[folder]
|
|
devices := m.folderDevices[folder]
|
|
m.fmut.RUnlock()
|
|
|
|
if !ok {
|
|
return nil
|
|
}
|
|
|
|
var availabilities []Availability
|
|
next:
|
|
for _, device := range fs.Availability(file.Name) {
|
|
for _, pausedFolder := range m.remotePausedFolders[device] {
|
|
if pausedFolder == folder {
|
|
continue next
|
|
}
|
|
}
|
|
_, ok := m.conn[device]
|
|
if ok {
|
|
availabilities = append(availabilities, Availability{ID: device, FromTemporary: false})
|
|
}
|
|
}
|
|
|
|
for device := range devices {
|
|
if m.deviceDownloads[device].Has(folder, file.Name, file.Version, int32(block.Offset/int64(file.BlockSize()))) {
|
|
availabilities = append(availabilities, Availability{ID: device, FromTemporary: true})
|
|
}
|
|
}
|
|
|
|
return availabilities
|
|
}
|
|
|
|
// BringToFront bumps the given files priority in the job queue.
|
|
func (m *Model) BringToFront(folder, file string) {
|
|
m.pmut.RLock()
|
|
defer m.pmut.RUnlock()
|
|
|
|
runner, ok := m.folderRunners[folder]
|
|
if ok {
|
|
runner.BringToFront(file)
|
|
}
|
|
}
|
|
|
|
func (m *Model) ResetFolder(folder string) {
|
|
l.Infof("Cleaning data for folder %q", folder)
|
|
db.DropFolder(m.db, folder)
|
|
}
|
|
|
|
func (m *Model) String() string {
|
|
return fmt.Sprintf("model@%p", m)
|
|
}
|
|
|
|
func (m *Model) VerifyConfiguration(from, to config.Configuration) error {
|
|
return nil
|
|
}
|
|
|
|
func (m *Model) CommitConfiguration(from, to config.Configuration) bool {
|
|
// TODO: This should not use reflect, and should take more care to try to handle stuff without restart.
|
|
|
|
// Go through the folder configs and figure out if we need to restart or not.
|
|
|
|
fromFolders := mapFolders(from.Folders)
|
|
toFolders := mapFolders(to.Folders)
|
|
for folderID, cfg := range toFolders {
|
|
if _, ok := fromFolders[folderID]; !ok {
|
|
// A folder was added.
|
|
if cfg.Paused {
|
|
l.Infoln("Paused folder", cfg.Description())
|
|
cfg.CreateRoot()
|
|
} else {
|
|
l.Infoln("Adding folder", cfg.Description())
|
|
m.AddFolder(cfg)
|
|
m.StartFolder(folderID)
|
|
}
|
|
}
|
|
}
|
|
|
|
for folderID, fromCfg := range fromFolders {
|
|
toCfg, ok := toFolders[folderID]
|
|
if !ok {
|
|
// The folder was removed.
|
|
m.RemoveFolder(fromCfg)
|
|
continue
|
|
}
|
|
|
|
// This folder exists on both sides. Settings might have changed.
|
|
// Check if anything differs that requires a restart.
|
|
if !reflect.DeepEqual(fromCfg.RequiresRestartOnly(), toCfg.RequiresRestartOnly()) {
|
|
m.RestartFolder(toCfg)
|
|
}
|
|
|
|
// Emit the folder pause/resume event
|
|
if fromCfg.Paused != toCfg.Paused {
|
|
eventType := events.FolderResumed
|
|
if toCfg.Paused {
|
|
eventType = events.FolderPaused
|
|
}
|
|
events.Default.Log(eventType, map[string]string{"id": toCfg.ID, "label": toCfg.Label})
|
|
}
|
|
}
|
|
|
|
// Removing a device. We actually don't need to do anything.
|
|
// Because folder config has changed (since the device lists do not match)
|
|
// Folders for that had device got "restarted", which involves killing
|
|
// connections to all devices that we were sharing the folder with.
|
|
// At some point model.Close() will get called for that device which will
|
|
// clean residue device state that is not part of any folder.
|
|
|
|
// Pausing a device, unpausing is handled by the connection service.
|
|
fromDevices := from.DeviceMap()
|
|
toDevices := to.DeviceMap()
|
|
for deviceID, toCfg := range toDevices {
|
|
fromCfg, ok := fromDevices[deviceID]
|
|
if !ok || fromCfg.Paused == toCfg.Paused {
|
|
continue
|
|
}
|
|
|
|
if toCfg.Paused {
|
|
l.Infoln("Pausing", deviceID)
|
|
m.close(deviceID)
|
|
events.Default.Log(events.DevicePaused, map[string]string{"device": deviceID.String()})
|
|
} else {
|
|
events.Default.Log(events.DeviceResumed, map[string]string{"device": deviceID.String()})
|
|
}
|
|
}
|
|
|
|
// Some options don't require restart as those components handle it fine
|
|
// by themselves. Compare the options structs containing only the
|
|
// attributes that require restart and act apprioriately.
|
|
if !reflect.DeepEqual(from.Options.RequiresRestartOnly(), to.Options.RequiresRestartOnly()) {
|
|
l.Debugln(m, "requires restart, options differ")
|
|
return false
|
|
}
|
|
|
|
return true
|
|
}
|
|
|
|
// checkFolderRunningLocked returns nil if the folder is up and running and a
|
|
// descriptive error if not.
|
|
// Need to hold (read) lock on m.fmut when calling this.
|
|
func (m *Model) checkFolderRunningLocked(folder string) error {
|
|
_, ok := m.folderRunners[folder]
|
|
if ok {
|
|
return nil
|
|
}
|
|
|
|
if cfg, ok := m.cfg.Folder(folder); !ok {
|
|
return errFolderMissing
|
|
} else if cfg.Paused {
|
|
return ErrFolderPaused
|
|
}
|
|
|
|
return errFolderNotRunning
|
|
}
|
|
|
|
// checkFolderDeviceStatusLocked first checks the folder and then whether the
|
|
// given device is connected and shares this folder.
|
|
// Need to hold (read) lock on both m.fmut and m.pmut when calling this.
|
|
func (m *Model) checkDeviceFolderConnectedLocked(device protocol.DeviceID, folder string) error {
|
|
if err := m.checkFolderRunningLocked(folder); err != nil {
|
|
return err
|
|
}
|
|
|
|
if cfg, ok := m.cfg.Device(device); !ok {
|
|
return errDeviceUnknown
|
|
} else if cfg.Paused {
|
|
return errDevicePaused
|
|
}
|
|
|
|
if _, ok := m.conn[device]; !ok {
|
|
return errors.New("device is not connected")
|
|
}
|
|
|
|
if !m.folderDevices.has(device, folder) {
|
|
return errors.New("folder is not shared with device")
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// mapFolders returns a map of folder ID to folder configuration for the given
|
|
// slice of folder configurations.
|
|
func mapFolders(folders []config.FolderConfiguration) map[string]config.FolderConfiguration {
|
|
m := make(map[string]config.FolderConfiguration, len(folders))
|
|
for _, cfg := range folders {
|
|
m[cfg.ID] = cfg
|
|
}
|
|
return m
|
|
}
|
|
|
|
// mapDevices returns a map of device ID to nothing for the given slice of
|
|
// device IDs.
|
|
func mapDevices(devices []protocol.DeviceID) map[protocol.DeviceID]struct{} {
|
|
m := make(map[protocol.DeviceID]struct{}, len(devices))
|
|
for _, dev := range devices {
|
|
m[dev] = struct{}{}
|
|
}
|
|
return m
|
|
}
|
|
|
|
// Skips `skip` elements and retrieves up to `get` elements from a given slice.
|
|
// Returns the resulting slice, plus how much elements are left to skip or
|
|
// copy to satisfy the values which were provided, given the slice is not
|
|
// big enough.
|
|
func getChunk(data []string, skip, get int) ([]string, int, int) {
|
|
l := len(data)
|
|
if l <= skip {
|
|
return []string{}, skip - l, get
|
|
} else if l < skip+get {
|
|
return data[skip:l], 0, get - (l - skip)
|
|
}
|
|
return data[skip : skip+get], 0, 0
|
|
}
|
|
|
|
func closeRawConn(conn io.Closer) error {
|
|
if conn, ok := conn.(*tls.Conn); ok {
|
|
// If the underlying connection is a *tls.Conn, Close() does more
|
|
// than it says on the tin. Specifically, it sends a TLS alert
|
|
// message, which might block forever if the connection is dead
|
|
// and we don't have a deadline set.
|
|
conn.SetWriteDeadline(time.Now().Add(250 * time.Millisecond))
|
|
}
|
|
return conn.Close()
|
|
}
|
|
|
|
func stringSliceWithout(ss []string, s string) []string {
|
|
for i := range ss {
|
|
if ss[i] == s {
|
|
copy(ss[i:], ss[i+1:])
|
|
ss = ss[:len(ss)-1]
|
|
return ss
|
|
}
|
|
}
|
|
return ss
|
|
}
|
|
|
|
func readOffsetIntoBuf(fs fs.Filesystem, file string, offset int64, buf []byte) error {
|
|
fd, err := fs.Open(file)
|
|
if err != nil {
|
|
l.Debugln("readOffsetIntoBuf.Open", file, err)
|
|
return err
|
|
}
|
|
|
|
defer fd.Close()
|
|
_, err = fd.ReadAt(buf, offset)
|
|
if err != nil {
|
|
l.Debugln("readOffsetIntoBuf.ReadAt", file, err)
|
|
}
|
|
return err
|
|
}
|
|
|
|
// The exists function is expected to return true for all known paths
|
|
// (excluding "" and ".")
|
|
func unifySubs(dirs []string, exists func(dir string) bool) []string {
|
|
if len(dirs) == 0 {
|
|
return nil
|
|
}
|
|
sort.Strings(dirs)
|
|
if dirs[0] == "" || dirs[0] == "." || dirs[0] == string(fs.PathSeparator) {
|
|
return nil
|
|
}
|
|
prev := "./" // Anything that can't be parent of a clean path
|
|
for i := 0; i < len(dirs); {
|
|
dir, err := fs.Canonicalize(dirs[i])
|
|
if err != nil {
|
|
l.Debugf("Skipping %v for scan: %s", dirs[i], err)
|
|
dirs = append(dirs[:i], dirs[i+1:]...)
|
|
continue
|
|
}
|
|
if dir == prev || strings.HasPrefix(dir, prev+string(fs.PathSeparator)) {
|
|
dirs = append(dirs[:i], dirs[i+1:]...)
|
|
continue
|
|
}
|
|
parent := filepath.Dir(dir)
|
|
for parent != "." && parent != string(fs.PathSeparator) && !exists(parent) {
|
|
dir = parent
|
|
parent = filepath.Dir(dir)
|
|
}
|
|
dirs[i] = dir
|
|
prev = dir
|
|
i++
|
|
}
|
|
return dirs
|
|
}
|
|
|
|
// makeForgetUpdate takes an index update and constructs a download progress update
|
|
// causing to forget any progress for files which we've just been sent.
|
|
func makeForgetUpdate(files []protocol.FileInfo) []protocol.FileDownloadProgressUpdate {
|
|
updates := make([]protocol.FileDownloadProgressUpdate, 0, len(files))
|
|
for _, file := range files {
|
|
if file.IsSymlink() || file.IsDirectory() || file.IsDeleted() {
|
|
continue
|
|
}
|
|
updates = append(updates, protocol.FileDownloadProgressUpdate{
|
|
Name: file.Name,
|
|
Version: file.Version,
|
|
UpdateType: protocol.UpdateTypeForget,
|
|
})
|
|
}
|
|
return updates
|
|
}
|
|
|
|
// folderDeviceSet is a set of (folder, deviceID) pairs
|
|
type folderDeviceSet map[string]map[protocol.DeviceID]struct{}
|
|
|
|
// set adds the (dev, folder) pair to the set
|
|
func (s folderDeviceSet) set(dev protocol.DeviceID, folder string) {
|
|
devs, ok := s[folder]
|
|
if !ok {
|
|
devs = make(map[protocol.DeviceID]struct{})
|
|
s[folder] = devs
|
|
}
|
|
devs[dev] = struct{}{}
|
|
}
|
|
|
|
// has returns true if the (dev, folder) pair is in the set
|
|
func (s folderDeviceSet) has(dev protocol.DeviceID, folder string) bool {
|
|
_, ok := s[folder][dev]
|
|
return ok
|
|
}
|
|
|
|
// hasDevice returns true if the device is set on any folder
|
|
func (s folderDeviceSet) hasDevice(dev protocol.DeviceID) bool {
|
|
for _, devices := range s {
|
|
if _, ok := devices[dev]; ok {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
// sortedDevices returns the list of devices for a given folder, sorted
|
|
func (s folderDeviceSet) sortedDevices(folder string) []protocol.DeviceID {
|
|
devs := make([]protocol.DeviceID, 0, len(s[folder]))
|
|
for dev := range s[folder] {
|
|
devs = append(devs, dev)
|
|
}
|
|
sort.Sort(protocol.DeviceIDs(devs))
|
|
return devs
|
|
}
|