mirror of
https://github.com/octoleo/syncthing.git
synced 2024-11-06 05:17:49 +00:00
5f4ed66aa1
We need to reset prevSeq so that we force a full check when someone reconnects - the sequence number may not have changed due to the reconnect. (This is a regression; we did this before f6ea2a7.) Also add an optimization: we schedule a pull after scanning, but there is no need to do so if no changes were detected. This matters now because the scheduled pull actually traverses the database which is expensive. This, however, makes the pull not happen on initial scan if there were no changes during the initial scan. Compensate by always scheduling a pull after initial scan in the rwfolder itself. GitHub-Pull-Request: https://github.com/syncthing/syncthing/pull/4508 LGTM: imsodin, AudriusButkevicius
2660 lines
77 KiB
Go
2660 lines
77 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"
|
|
)
|
|
|
|
// 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)
|
|
IndexUpdated() // Remote index was updated notification
|
|
IgnoresUpdated() // ignore matcher was updated notification
|
|
SchedulePull()
|
|
Jobs() ([]string, []string) // In progress, Queued
|
|
Scan(subs []string) error
|
|
Serve()
|
|
Stop()
|
|
CheckHealth() 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")
|
|
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 {
|
|
cfg, ok := m.folderCfgs[folder]
|
|
if !ok {
|
|
panic("cannot start nonexistent folder " + cfg.Description())
|
|
}
|
|
|
|
_, ok = m.folderRunners[folder]
|
|
if ok {
|
|
panic("cannot start already running folder " + cfg.Description())
|
|
}
|
|
|
|
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)
|
|
}
|
|
}
|
|
|
|
var ver versioner.Versioner
|
|
if len(cfg.Versioning.Type) > 0 {
|
|
versionerFactory, ok := versioner.Factories[cfg.Versioning.Type]
|
|
if !ok {
|
|
l.Fatalf("Requested versioning type %q that does not exist", cfg.Versioning.Type)
|
|
}
|
|
|
|
ver = versionerFactory(folder, cfg.Filesystem(), cfg.Versioning.Params)
|
|
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 {
|
|
m.addFolderLocked(cfg)
|
|
folderType := m.startFolderLocked(cfg.ID)
|
|
l.Infoln("Restarted folder", cfg.Description(), fmt.Sprintf("(%s)", folderType))
|
|
} else {
|
|
l.Infoln("Paused folder", cfg.Description())
|
|
}
|
|
|
|
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
|
|
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, 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] * protocol.BlockSize)
|
|
|
|
fileNeed = ft.FileSize() - downloaded
|
|
if fileNeed < 0 {
|
|
fileNeed = 0
|
|
}
|
|
|
|
need += fileNeed
|
|
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,
|
|
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, int) {
|
|
m.fmut.RLock()
|
|
defer m.fmut.RUnlock()
|
|
|
|
total := 0
|
|
|
|
rf, ok := m.folderFiles[folder]
|
|
if !ok {
|
|
return nil, nil, nil, 0
|
|
}
|
|
|
|
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
|
|
}
|
|
|
|
total++
|
|
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 true
|
|
})
|
|
|
|
return progress, queued, rest, total
|
|
}
|
|
|
|
// 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) {
|
|
l.Debugf("IDX(in): %s %q: %d files", deviceID, folder, len(fs))
|
|
|
|
if !m.folderSharedWith(folder, deviceID) {
|
|
l.Debugf("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.", folder, deviceID)
|
|
return
|
|
}
|
|
|
|
m.fmut.RLock()
|
|
files, ok := m.folderFiles[folder]
|
|
runner := m.folderRunners[folder]
|
|
m.fmut.RUnlock()
|
|
|
|
if !ok {
|
|
l.Fatalf("Index for nonexistent folder %q", folder)
|
|
}
|
|
|
|
if runner != nil {
|
|
// Runner may legitimately not be set if this is the "cleanup" Index
|
|
// message at startup.
|
|
defer runner.SchedulePull()
|
|
}
|
|
|
|
m.pmut.RLock()
|
|
m.deviceDownloads[deviceID].Update(folder, makeForgetUpdate(fs))
|
|
m.pmut.RUnlock()
|
|
|
|
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),
|
|
})
|
|
}
|
|
|
|
// 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) {
|
|
l.Debugf("%v IDXUP(in): %s / %q: %d files", m, deviceID, folder, len(fs))
|
|
|
|
if !m.folderSharedWith(folder, deviceID) {
|
|
l.Debugf("Update 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.", folder, deviceID)
|
|
return
|
|
}
|
|
|
|
m.fmut.RLock()
|
|
files := m.folderFiles[folder]
|
|
runner, ok := m.folderRunners[folder]
|
|
m.fmut.RUnlock()
|
|
|
|
if !ok {
|
|
l.Fatalf("IndexUpdate for nonexistent folder %q", folder)
|
|
}
|
|
|
|
m.pmut.RLock()
|
|
m.deviceDownloads[deviceID].Update(folder, makeForgetUpdate(fs))
|
|
m.pmut.RUnlock()
|
|
|
|
files.Update(deviceID, fs)
|
|
|
|
events.Default.Log(events.RemoteIndexUpdated, map[string]interface{}{
|
|
"device": deviceID.String(),
|
|
"folder": folder,
|
|
"items": len(fs),
|
|
"version": files.Sequence(deviceID),
|
|
})
|
|
|
|
runner.SchedulePull()
|
|
}
|
|
|
|
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())
|
|
|
|
// 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
|
|
}
|
|
|
|
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)
|
|
}
|
|
}
|
|
|
|
var changed = false
|
|
if deviceCfg := m.cfg.Devices()[deviceID]; 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 {
|
|
// We don't have this folder, skip.
|
|
if _, ok := m.folderDevices[folder.ID]; !ok {
|
|
continue
|
|
}
|
|
|
|
// 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.
|
|
nextDevice:
|
|
for _, device := range folder.Devices {
|
|
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
|
|
}
|
|
|
|
for _, er := range m.deviceFolders[device.ID] {
|
|
if er == folder.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.
|
|
m.introduceDeviceToFolder(device, folder, introducerCfg)
|
|
changed = true
|
|
}
|
|
}
|
|
|
|
return foldersDevices, changed
|
|
}
|
|
|
|
// handleIntroductions 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
|
|
}
|
|
|
|
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)
|
|
}
|
|
|
|
func (m *Model) introduceDeviceToFolder(device protocol.Device, folder protocol.Folder, introducerCfg config.DeviceConfiguration) {
|
|
l.Infof("Sharing folder %s with %v (vouched for by introducer %v)", folder.Description(), device.ID, introducerCfg.DeviceID)
|
|
|
|
m.deviceFolders[device.ID] = append(m.deviceFolders[device.ID], folder.ID)
|
|
m.folderDevices.set(device.ID, folder.ID)
|
|
|
|
folderCfg := m.cfg.Folders()[folder.ID]
|
|
folderCfg.Devices = append(folderCfg.Devices, config.FolderDeviceConfiguration{
|
|
DeviceID: device.ID,
|
|
IntroducedBy: introducerCfg.DeviceID,
|
|
})
|
|
m.cfg.SetFolder(folderCfg)
|
|
}
|
|
|
|
// 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 closed: %v", device, 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
|
|
}
|
|
|
|
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)
|
|
}
|
|
m.fmut.RLock()
|
|
folderCfg := m.folderCfgs[folder]
|
|
folderIgnores := m.folderIgnores[folder]
|
|
m.fmut.RUnlock()
|
|
|
|
folderFs := folderCfg.Filesystem()
|
|
|
|
// Having passed the rootedJoinedPath check above, we know "name" is
|
|
// acceptable relative to "folderPath" and in canonical form, so we can
|
|
// trust it.
|
|
|
|
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
|
|
}
|
|
|
|
err := readOffsetIntoBuf(folderFs, name, offset, buf)
|
|
if 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)
|
|
}
|
|
|
|
// ConnectedTo returns true if we are connected to the named device.
|
|
func (m *Model) ConnectedTo(deviceID protocol.DeviceID) bool {
|
|
m.pmut.RLock()
|
|
_, ok := m.conn[deviceID]
|
|
m.pmut.RUnlock()
|
|
if ok {
|
|
m.deviceWasSeen(deviceID)
|
|
}
|
|
return 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)
|
|
}
|
|
}
|
|
|
|
if err := cfg.CheckPath(); err != nil {
|
|
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"`, deviceID, hello.ClientName, hello.ClientVersion, hello.DeviceName)
|
|
|
|
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) {
|
|
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()
|
|
name := conn.Name()
|
|
var err error
|
|
|
|
l.Debugf("sendIndexes for %s-%s/%q starting (slv=%d)", deviceID, name, folder, startSequence)
|
|
defer l.Debugf("sendIndexes for %s-%s/%q exiting: %v", deviceID, name, folder, 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()
|
|
name := conn.Name()
|
|
batch := make([]protocol.FileInfo, 0, maxBatchSizeFiles)
|
|
batchSizeBytes := 0
|
|
initial := minSequence == 0
|
|
maxSequence := minSequence
|
|
var err error
|
|
|
|
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.Debugf("sendIndexes for %s-%s/%q: %d files (<%d bytes) (initial index)", deviceID, name, folder, len(batch), batchSizeBytes)
|
|
initial = false
|
|
} else {
|
|
if err = conn.IndexUpdate(folder, batch); err != nil {
|
|
return false
|
|
}
|
|
l.Debugf("sendIndexes for %s-%s/%q: %d files (<%d bytes) (batched update)", deviceID, name, folder, len(batch), batchSizeBytes)
|
|
}
|
|
|
|
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.Debugf("sendIndexes for %s-%s/%q: %d files (small initial index)", deviceID, name, folder, len(batch))
|
|
}
|
|
} else if len(batch) > 0 && err == nil {
|
|
err = conn.IndexUpdate(folder, batch)
|
|
if err == nil {
|
|
l.Debugf("sendIndexes for %s-%s/%q: %d files (last batch)", deviceID, name, folder, len(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 {
|
|
objType := "file"
|
|
action := "modified"
|
|
|
|
switch {
|
|
case file.IsDeleted():
|
|
action = "deleted"
|
|
|
|
case file.Invalid:
|
|
action = "ignored" // invalidated seems not very user friendly
|
|
|
|
// 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.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.Lock()
|
|
runner, okRunner := m.folderRunners[folder]
|
|
cfg, okCfg := m.folderCfgs[folder]
|
|
m.fmut.Unlock()
|
|
|
|
if !okRunner {
|
|
if okCfg && cfg.Paused {
|
|
return errFolderPaused
|
|
}
|
|
return errFolderMissing
|
|
}
|
|
|
|
return runner.Scan(subs)
|
|
}
|
|
|
|
func (m *Model) internalScanFolderSubdirs(ctx context.Context, folder string, subDirs []string) error {
|
|
for i := 0; i < len(subDirs); i++ {
|
|
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
|
|
}
|
|
|
|
// We test each path by joining with "root". What we join with is
|
|
// not relevant, we just want the dotdot escape detection here. For
|
|
// historical reasons we may get paths that end in a slash. We
|
|
// remove that first to allow the rootedJoinedPath to pass.
|
|
sub = strings.TrimRight(sub, string(fs.PathSeparator))
|
|
subDirs[i] = sub
|
|
}
|
|
|
|
m.fmut.Lock()
|
|
fset := m.folderFiles[folder]
|
|
folderCfg := m.folderCfgs[folder]
|
|
ignores := m.folderIgnores[folder]
|
|
runner, ok := m.folderRunners[folder]
|
|
m.fmut.Unlock()
|
|
mtimefs := fset.MtimeFS()
|
|
|
|
// 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 !ok {
|
|
if folderCfg.Paused {
|
|
return errFolderPaused
|
|
}
|
|
return errFolderMissing
|
|
}
|
|
|
|
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, err := scanner.Walk(ctx, scanner.Config{
|
|
Folder: folderCfg.ID,
|
|
Subs: subDirs,
|
|
Matcher: ignores,
|
|
BlockSize: protocol.BlockSize,
|
|
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,
|
|
})
|
|
|
|
if err != nil {
|
|
// The error we get here is likely an OS level error, which might not be
|
|
// as readable as our health check errors. Check if we can get a health
|
|
// check error first, and use that if it's available.
|
|
if ferr := runner.CheckHealth(); ferr != nil {
|
|
err = ferr
|
|
}
|
|
runner.setError(err)
|
|
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() && !f.IsDeleted():
|
|
// The file is valid and not deleted. Lets check if it's
|
|
// still here.
|
|
|
|
if _, err := mtimefs.Lstat(f.Name); err != nil {
|
|
// We don't specifically verify that the error is
|
|
// fs.IsNotExist because there is a corner case when a
|
|
// directory is suddenly transformed into a file. When that
|
|
// happens, files that were in the directory (that is now a
|
|
// file) are deleted but will return a confusing error ("not a
|
|
// directory") when we try to Lstat() them.
|
|
|
|
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),
|
|
}
|
|
|
|
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(), err)
|
|
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) 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) Availability(folder, file string, version protocol.Vector, 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) {
|
|
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, version, int32(block.Offset/protocol.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(m, "Paused folder", cfg.Description())
|
|
cfg.CreateRoot()
|
|
} else {
|
|
l.Infoln(m, "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, apart from the label.
|
|
toCfgCopy := toCfg
|
|
fromCfgCopy := fromCfg
|
|
fromCfgCopy.Label = ""
|
|
toCfgCopy.Label = ""
|
|
|
|
if !reflect.DeepEqual(fromCfgCopy, toCfgCopy) {
|
|
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 := mapDeviceConfigs(from.Devices)
|
|
toDevices := mapDeviceConfigs(to.Devices)
|
|
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.
|
|
from.Options.URAccepted = to.Options.URAccepted
|
|
from.Options.URSeen = to.Options.URSeen
|
|
from.Options.URUniqueID = to.Options.URUniqueID
|
|
from.Options.ListenAddresses = to.Options.ListenAddresses
|
|
from.Options.RelaysEnabled = to.Options.RelaysEnabled
|
|
from.Options.UnackedNotificationIDs = to.Options.UnackedNotificationIDs
|
|
from.Options.MaxRecvKbps = to.Options.MaxRecvKbps
|
|
from.Options.MaxSendKbps = to.Options.MaxSendKbps
|
|
from.Options.LimitBandwidthInLan = to.Options.LimitBandwidthInLan
|
|
from.Options.StunKeepaliveS = to.Options.StunKeepaliveS
|
|
from.Options.StunServers = to.Options.StunServers
|
|
// All of the other generic options require restart. Or at least they may;
|
|
// removing this check requires going through those options carefully and
|
|
// making sure there are individual services that handle them correctly.
|
|
// This code is the "original" requires-restart check and protects other
|
|
// components that haven't yet been converted to VerifyConfig/CommitConfig
|
|
// handling.
|
|
if !reflect.DeepEqual(from.Options, to.Options) {
|
|
l.Debugln(m, "requires restart, options differ")
|
|
return false
|
|
}
|
|
|
|
return true
|
|
}
|
|
|
|
// 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
|
|
}
|
|
|
|
// mapDeviceConfigs returns a map of device ID to device configuration for the given
|
|
// slice of folder configurations.
|
|
func mapDeviceConfigs(devices []config.DeviceConfiguration) map[protocol.DeviceID]config.DeviceConfiguration {
|
|
m := make(map[protocol.DeviceID]config.DeviceConfiguration, len(devices))
|
|
for _, dev := range devices {
|
|
m[dev.DeviceID] = dev
|
|
}
|
|
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 {
|
|
subs := trimUntilParentKnown(dirs, exists)
|
|
sort.Strings(subs)
|
|
return simplifySortedPaths(subs)
|
|
}
|
|
|
|
func trimUntilParentKnown(dirs []string, exists func(dir string) bool) []string {
|
|
var subs []string
|
|
for _, sub := range dirs {
|
|
for sub != "" && !fs.IsInternal(sub) {
|
|
sub = filepath.Clean(sub)
|
|
parent := filepath.Dir(sub)
|
|
if parent == "." || exists(parent) {
|
|
break
|
|
}
|
|
sub = parent
|
|
if sub == "." || sub == string(filepath.Separator) {
|
|
// Shortcut. We are going to scan the full folder, so we can
|
|
// just return an empty list of subs at this point.
|
|
return nil
|
|
}
|
|
}
|
|
if sub == "" {
|
|
return nil
|
|
}
|
|
subs = append(subs, sub)
|
|
}
|
|
return subs
|
|
}
|
|
|
|
func simplifySortedPaths(subs []string) []string {
|
|
var cleaned []string
|
|
next:
|
|
for _, sub := range subs {
|
|
for _, existing := range cleaned {
|
|
if sub == existing || strings.HasPrefix(sub, existing+string(fs.PathSeparator)) {
|
|
continue next
|
|
}
|
|
}
|
|
cleaned = append(cleaned, sub)
|
|
}
|
|
|
|
return cleaned
|
|
}
|
|
|
|
// 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
|
|
}
|
|
|
|
// shouldIgnore returns true when a file should be excluded from processing
|
|
func shouldIgnore(file db.FileIntf, matcher *ignore.Matcher, ignoreDelete bool) bool {
|
|
switch {
|
|
case ignoreDelete && file.IsDeleted():
|
|
// ignoreDelete first because it's a very cheap test so a win if it
|
|
// succeeds, and we might in the long run accumulate quite a few
|
|
// deleted files.
|
|
return true
|
|
|
|
case matcher.ShouldIgnore(file.FileName()):
|
|
return true
|
|
}
|
|
|
|
return false
|
|
}
|
|
|
|
// 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
|
|
}
|