Esempio n. 1
0
// Close removes the peer from the model and closes the underlying connection if possible.
// Implements the protocol.Model interface.
func (m *Model) Close(device protocol.DeviceID, err error) {
	l.Infof("Connection to %s closed: %v", device, err)
	events.Default.Log(events.DeviceDisconnected, map[string]string{
		"id":    device.String(),
		"error": err.Error(),
	})

	m.pmut.Lock()
	m.fmut.RLock()
	for _, folder := range m.deviceFolders[device] {
		m.folderFiles[folder].Replace(device, nil)
	}
	m.fmut.RUnlock()

	conn, ok := m.rawConn[device]
	if ok {
		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 site.
			conn.SetWriteDeadline(time.Now().Add(250 * time.Millisecond))
		}
		conn.Close()
	}
	delete(m.protoConn, device)
	delete(m.rawConn, device)
	delete(m.deviceVer, device)
	m.pmut.Unlock()
}
Esempio n. 2
0
func (d *Discoverer) Hint(device string, addrs []string) {
	resAddrs := resolveAddrs(addrs)
	var id protocol.DeviceID
	id.UnmarshalText([]byte(device))
	d.registerDevice(nil, Device{
		Addresses: resAddrs,
		ID:        id[:],
	})
}
Esempio n. 3
0
// 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) {
	if debug {
		l.Debugf("IDX(in): %s %q: %d files", deviceID, folder, len(fs))
	}

	if !m.folderSharedWith(folder, deviceID) {
		events.Default.Log(events.FolderRejected, map[string]string{
			"folder": folder,
			"device": deviceID.String(),
		})
		l.Warnf("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]
	ignores, _ := m.folderIgnores[folder]
	m.fmut.RUnlock()

	if !ok {
		l.Fatalf("Index for nonexistant folder %q", folder)
	}

	for i := 0; i < len(fs); {
		lamport.Default.Tick(fs[i].Version)
		if (ignores != nil && ignores.Match(fs[i].Name)) || symlinkInvalid(fs[i].IsSymlink()) {
			if debug {
				l.Debugln("dropping update for ignored/unsupported symlink", fs[i])
			}
			fs[i] = fs[len(fs)-1]
			fs = fs[:len(fs)-1]
		} else {
			i++
		}
	}

	files.Replace(deviceID, fs)

	events.Default.Log(events.RemoteIndexUpdated, map[string]interface{}{
		"device":  deviceID.String(),
		"folder":  folder,
		"items":   len(fs),
		"version": files.LocalVersion(deviceID),
	})
}
Esempio n. 4
0
// 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) {
	if debug {
		l.Debugf("%v IDXUP(in): %s / %q: %d files", m, deviceID, folder, len(fs))
	}

	if !m.folderSharedWith(folder, deviceID) {
		l.Infof("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, ok := m.folderFiles[folder]
	ignores, _ := m.folderIgnores[folder]
	m.fmut.RUnlock()

	if !ok {
		l.Fatalf("IndexUpdate for nonexistant folder %q", folder)
	}

	for i := 0; i < len(fs); {
		lamport.Default.Tick(fs[i].Version)
		if ignores.Match(fs[i].Name) {
			fs[i] = fs[len(fs)-1]
			fs = fs[:len(fs)-1]
		} else {
			i++
		}
	}

	files.Update(deviceID, fs)

	events.Default.Log(events.RemoteIndexUpdated, map[string]interface{}{
		"device":  deviceID.String(),
		"folder":  folder,
		"items":   len(fs),
		"version": files.LocalVersion(deviceID),
	})
}