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gui, lib/model: Display list of files needed by remote (fixes #4369)

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GitHub-Pull-Request: https://github.com/syncthing/syncthing/pull/4559
LGTM: AudriusButkevicius, calmh
This commit is contained in:
Simon Frei
2017-12-15 20:01:56 +00:00
committed by Jakob Borg
parent c7522063b3
commit 8fa2b7765a
10 changed files with 313 additions and 76 deletions
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149
lib/model/model.go
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@@ -110,6 +110,7 @@ var (
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")
)
@@ -182,15 +183,13 @@ func (m *Model) StartFolder(folder string) {
}
func (m *Model) startFolderLocked(folder string) config.FolderType {
cfg, ok := m.folderCfgs[folder]
if !ok {
panic("cannot start nonexistent folder " + cfg.Description())
if err := m.checkFolderRunningLocked(folder); err == errFolderMissing {
panic("cannot start nonexistent folder " + folder)
} else if err == nil {
panic("cannot start already running folder " + folder)
}
_, ok = m.folderRunners[folder]
if ok {
panic("cannot start already running folder " + cfg.Description())
}
cfg := m.folderCfgs[folder]
folderFactory, ok := folderFactories[cfg.Type]
if !ok {
@@ -585,6 +584,7 @@ func (m *Model) FolderStatistics() map[string]stats.FolderStatistics {
type FolderCompletion struct {
CompletionPct float64
NeedBytes int64
NeedItems int64
GlobalBytes int64
NeedDeletes int64
}
@@ -611,7 +611,7 @@ func (m *Model) Completion(device protocol.DeviceID, folder string) FolderComple
counts := m.deviceDownloads[device].GetBlockCounts(folder)
m.pmut.RUnlock()
var need, fileNeed, downloaded, deletes int64
var need, items, fileNeed, downloaded, deletes int64
rf.WithNeedTruncated(device, func(f db.FileIntf) bool {
ft := f.(db.FileInfoTruncated)
@@ -630,6 +630,8 @@ func (m *Model) Completion(device protocol.DeviceID, folder string) FolderComple
}
need += fileNeed
items++
return true
})
@@ -649,6 +651,7 @@ func (m *Model) Completion(device protocol.DeviceID, folder string) FolderComple
return FolderCompletion{
CompletionPct: completionPct,
NeedBytes: need,
NeedItems: items,
GlobalBytes: tot,
NeedDeletes: deletes,
}
@@ -715,15 +718,13 @@ func (m *Model) NeedSize(folder string) db.Counts {
// 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) {
func (m *Model) NeedFolderFiles(folder string, page, perpage int) ([]db.FileInfoTruncated, []db.FileInfoTruncated, []db.FileInfoTruncated) {
m.fmut.RLock()
defer m.fmut.RUnlock()
total := 0
rf, ok := m.folderFiles[folder]
if !ok {
return nil, nil, nil, 0
return nil, nil, nil
}
var progress, queued, rest []db.FileInfoTruncated
@@ -766,7 +767,6 @@ func (m *Model) NeedFolderFiles(folder string, page, perpage int) ([]db.FileInfo
return true
}
total++
if skip > 0 {
skip--
return true
@@ -778,10 +778,43 @@ func (m *Model) NeedFolderFiles(folder string, page, perpage int) ([]db.FileInfo
get--
}
}
return true
return get > 0
})
return progress, queued, rest, total
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.
@@ -1865,22 +1898,30 @@ func (m *Model) ScanFolder(folder string) error {
}
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
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 := 0; i < len(subDirs); i++ {
sub := osutil.NativeFilename(subDirs[i])
@@ -1899,14 +1940,6 @@ func (m *Model) internalScanFolderSubdirs(ctx context.Context, folder string, su
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.
@@ -1918,13 +1951,6 @@ func (m *Model) internalScanFolderSubdirs(ctx context.Context, folder string, su
}
}()
if !ok {
if folderCfg.Paused {
return errFolderPaused
}
return errFolderMissing
}
if err := runner.CheckHealth(); err != nil {
return err
}
@@ -2495,6 +2521,49 @@ func (m *Model) CommitConfiguration(from, to config.Configuration) bool {
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 {