Exemplo n.º 1
0
    def _new_tube_cb(self, id, initiator, type, service, params, state):
        logger.debug(
            'New tube: ID=%d initator=%d type=%d service=%s params=%r state=%d',
            id, initiator, type, service, params, state)
        if type != telepathy.TUBE_TYPE_DBUS or service != constants.DBUS_SERVICE:
            return

        if state == telepathy.TUBE_STATE_LOCAL_PENDING:
            self._tubes_channel.AcceptDBusTube(id)
        tube_connection = TubeConnection(self._connection,
                                         self._tubes_channel,
                                         id,
                                         group_iface=self._text_channel)
        self._tube = RecordTube(tube_connection)
        self._tube.connect("new-recd", self._new_recd_cb)
        self._tube.connect("recd-request", self._recd_request_cb)
        self._tube.connect("recd-bits-arrived", self._recd_bits_arrived_cb)
        self._tube.connect("recd-unavailable", self._recd_unavailable_cb)
Exemplo n.º 2
0
    def _new_tube_cb(self, id, initiator, type, service, params, state):
        logger.debug('New tube: ID=%d initator=%d type=%d service=%s params=%r state=%d', id, initiator, type, service, params, state)
        if type != telepathy.TUBE_TYPE_DBUS or service != constants.DBUS_SERVICE:
            return

        if state == telepathy.TUBE_STATE_LOCAL_PENDING:
            self._tubes_channel.AcceptDBusTube(id)
        tube_connection = TubeConnection(self._connection, self._tubes_channel, id, group_iface=self._text_channel)
        self._tube = RecordTube(tube_connection)
        self._tube.connect("new-recd", self._new_recd_cb)
        self._tube.connect("recd-request", self._recd_request_cb)
        self._tube.connect("recd-bits-arrived", self._recd_bits_arrived_cb)
        self._tube.connect("recd-unavailable", self._recd_unavailable_cb)
Exemplo n.º 3
0
class RecordCollab(object):
    def __init__(self, activity_obj, model):
        self.activity = activity_obj
        self.model = model
        self._tube = None
        self._collab_timeout = 10000

    def set_activity_shared(self):
        self._setup()
        self._tubes_channel.OfferDBusTube(constants.DBUS_SERVICE, {})

    def share_recd(self, recd):
        if not self._tube:
            return
        xmlstr = serialize.getRecdXmlMeshString(recd)
        self._tube.notifyBudsOfNewRecd(Instance.keyHashPrintable, xmlstr)

    def joined(self):
        if not self.activity.get_shared_activity():
            return
        self._setup()
        self._tubes_channel.ListTubes(reply_handler=self._list_tubes_reply_cb, error_handler=self._list_tubes_error_cb)

    def request_download(self, recd):
        if recd.meshDownloading:
            logger.debug("meshInitRoundRobin: we are in midst of downloading this file...")
            return

        # start with who took the photo
        recd.triedMeshBuddies = []
        recd.triedMeshBuddies.append(Instance.keyHashPrintable)
        self._req_recd_from_buddy(recd, recd.recorderHash, recd.recorderName)

    def _list_tubes_reply_cb(self, tubes):
        for tube_info in tubes:
            self._new_tube_cb(*tube_info)

    @staticmethod
    def _list_tubes_error_cb(e):
        logger.error('ListTubes() failed: %s', e)

    def _setup(self):
        # sets up the tubes...
        if not self.activity.get_shared_activity():
            logger.error('_setup: Failed to share or join activity')
            return

        pservice = presenceservice.get_instance()
        try:
            name, path = pservice.get_preferred_connection()
            self._connection = telepathy.client.Connection(name, path)
        except:
            logger.error('_setup: Failed to get_preferred_connection')

        # Work out what our room is called and whether we have Tubes already
        bus_name, conn_path, channel_paths = self.activity._shared_activity.get_channels()
        room = None
        tubes_chan = None
        text_chan = None
        for channel_path in channel_paths:
            channel = telepathy.client.Channel(bus_name, channel_path)
            htype, handle = channel.GetHandle()
            if htype == telepathy.HANDLE_TYPE_ROOM:
                logger.debug('Found our room: it has handle#%d "%s"', handle, self._connection.InspectHandles(htype, [handle])[0])
                room = handle
                ctype = channel.GetChannelType()
                if ctype == telepathy.CHANNEL_TYPE_TUBES:
                    logger.debug('Found our Tubes channel at %s', channel_path)
                    tubes_chan = channel
                elif ctype == telepathy.CHANNEL_TYPE_TEXT:
                    logger.debug('Found our Text channel at %s', channel_path)
                    text_chan = channel

        if not room:
            logger.error("Presence service didn't create a room")
            return
        if not text_chan:
            logger.error("Presence service didn't create a text channel")
            return

        # Make sure we have a Tubes channel - PS doesn't yet provide one
        if not tubes_chan:
            logger.debug("Didn't find our Tubes channel, requesting one...")
            tubes_chan = self._connection.request_channel(telepathy.CHANNEL_TYPE_TUBES, telepathy.HANDLE_TYPE_ROOM, room, True)

        self._tubes_channel = tubes_chan[telepathy.CHANNEL_TYPE_TUBES]
        self._text_channel = text_chan[telepathy.CHANNEL_INTERFACE_GROUP]

        self._tubes_channel.connect_to_signal('NewTube', self._new_tube_cb)

    def _new_tube_cb(self, id, initiator, type, service, params, state):
        logger.debug('New tube: ID=%d initator=%d type=%d service=%s params=%r state=%d', id, initiator, type, service, params, state)
        if type != telepathy.TUBE_TYPE_DBUS or service != constants.DBUS_SERVICE:
            return

        if state == telepathy.TUBE_STATE_LOCAL_PENDING:
            self._tubes_channel.AcceptDBusTube(id)
        tube_connection = TubeConnection(self._connection, self._tubes_channel, id, group_iface=self._text_channel)
        self._tube = RecordTube(tube_connection)
        self._tube.connect("new-recd", self._new_recd_cb)
        self._tube.connect("recd-request", self._recd_request_cb)
        self._tube.connect("recd-bits-arrived", self._recd_bits_arrived_cb)
        self._tube.connect("recd-unavailable", self._recd_unavailable_cb)

    def _new_recd_cb(self, remote_object, recorder, xmlstr):
        logger.debug('new_recd_cb')
        dom = None
        try:
            dom = xml.dom.minidom.parseString(xmlstr)
        except:
            logger.error('Unable to parse mesh xml')
        if not dom:
            return

        recd = Recorded()
        recd = serialize.fillRecdFromNode(recd, dom.documentElement)
        if not recd:
            logger.debug('_newRecdCb: recd is None. Unable to parse XML')
            return

        logger.debug('_newRecdCb: adding new recd thumb')
        recd.buddy = True
        recd.downloadedFromBuddy = False
        self.model.add_recd(recd)

    def _req_recd_from_buddy(self, recd, sender, nick):
        recd.triedMeshBuddies.append(sender)
        recd.meshDownloadingFrom = sender
        recd.meshDownloadingFromNick = nick
        recd.meshDownloadingProgress = False
        recd.meshDownloading = True
        recd.meshDownlodingPercent = 0.0
        self.activity.update_download_progress(recd)
        recd.meshReqCallbackId = gobject.timeout_add(self._collab_timeout, self._check_recd_request, recd)
        self._tube.requestRecdBits(Instance.keyHashPrintable, sender, recd.mediaMd5)

    def _next_round_robin_buddy(self, recd):
        logger.debug('meshNextRoundRobinBuddy')
        if recd.meshReqCallbackId:
            gobject.source_remove(recd.meshReqCallbackId)
            recd.meshReqCallbackId = 0

        # delete any stub of a partially downloaded file
        path = recd.getMediaFilepath()
        if path and os.path.exists(path):
            os.remove(path)

        good_buddy_obj = None
        buds = self.activity._shared_activity.get_joined_buddies()
        for buddy_obj in buds:
            buddy = util.sha_data(buddy_obj.props.key)
            buddy = util.printable_hash(buddy)
            if recd.triedMeshBuddies.count(buddy) > 0:
                logger.debug('mnrrb: weve already tried bud ' + buddy_obj.props.nick)
            else:
                logger.debug('mnrrb: ask next buddy: ' + buddy_obj.props.nick)
                good_buddy_obj = buddy_obj
                break

        if good_buddy_obj:
            buddy = util.sha_data(good_buddy_obj.props.key)
            buddy = util.printable_hash(buddy)
            self._req_recd_from_buddy(recd, buddy, good_buddy_obj.props.nick)
        else:
            logger.debug('weve tried all buddies here, and no one has this recd')
            recd.meshDownloading = False
            recd.triedMeshBuddies = []
            recd.triedMeshBuddies.append(Instance.keyHashPrintable)
            self.activity.update_download_progress(recd)

    def _recd_request_cb(self, remote_object, remote_person, md5sum):
        #if we are here, it is because someone has been told we have what they want.
        #we need to send them that thing, whatever that thing is
        recd = self.model.get_recd_by_md5(md5sum)
        if not recd:
            logger.debug('_recdRequestCb: we dont have the recd they asked for')
            self._tube.unavailableRecd(md5sum, Instance.keyHashPrintable, remote_person)
            return

        if recd.deleted:
            logger.debug('_recdRequestCb: we have the recd, but it has been deleted, so we wont share')
            self._tube.unavailableRecd(md5sum, Instance.keyHashPrintable, remote_person)
            return

        if recd.buddy and not recd.downloadedFromBuddy:
            logger.debug('_recdRequestCb: we have an incomplete recd, so we wont share')
            self._tube.unavailableRecd(md5sum, Instance.keyHashPrintable, remote_person)
            return

        recd.meshUploading = True
        path = recd.getMediaFilepath()

        if recd.type == constants.TYPE_AUDIO:
            audioImgFilepath = recd.getAudioImageFilepath()

            dest_path = os.path.join(Instance.instancePath, "audioBundle")
            dest_path = utils.getUniqueFilepath(dest_path, 0)
            cmd = "cat " + path + " " + audioImgFilepath + " > " + dest_path
            logger.debug(cmd)
            os.system(cmd)
            path = dest_path

        self._tube.broadcastRecd(recd.mediaMd5, path, remote_person)
        recd.meshUploading = False
        #if you were deleted while uploading, now throw away those bits now
        if recd.deleted:
            recd.doDeleteRecorded(recd)

    def _check_recd_request(self, recd):
        #todo: add category for "not active activity, so go ahead and delete"

        if recd.downloadedFromBuddy:
            logger.debug('_meshCheckOnRecdRequest: recdRequesting.downloadedFromBuddy')
            if recd.meshReqCallbackId:
                gobject.source_remove(recd.meshReqCallbackId)
                recd.meshReqCallbackId = 0
            return False
        if recd.deleted:
            logger.debug('_meshCheckOnRecdRequest: recdRequesting.deleted')
            if recd.meshReqCallbackId:
                gobject.source_remove(recd.meshReqCallbackId)
                recd.meshReqCallbackId = 0
            return False
        if recd.meshDownloadingProgress:
            logger.debug('_meshCheckOnRecdRequest: recdRequesting.meshDownloadingProgress')
            #we've received some bits since last we checked, so keep waiting...  they'll all get here eventually!
            recd.meshDownloadingProgress = False
            return True
        else:
            logger.debug('_meshCheckOnRecdRequest: ! recdRequesting.meshDownloadingProgress')
            #that buddy we asked info from isn't responding; next buddy!
            #self.meshNextRoundRobinBuddy( recdRequesting )
            gobject.idle_add(self._next_round_robin_buddy, recd)
            return False

    def _recd_bits_arrived_cb(self, remote_object, md5sum, part, num_parts, bytes, sender):
        recd = self.model.get_recd_by_md5(md5sum)
        if not recd:
            logger.debug('_recdBitsArrivedCb: thx 4 yr bits, but we dont even have that photo')
            return
        if recd.deleted:
            logger.debug('_recdBitsArrivedCb: thx 4 yr bits, but we deleted that photo')
            return
        if recd.downloadedFromBuddy:
            logger.debug('_recdBitsArrivedCb: weve already downloadedFromBuddy')
            return
        if not recd.buddy:
            logger.debug('_recdBitsArrivedCb: uh, we took this photo, so dont need your bits')
            return
        if recd.meshDownloadingFrom != sender:
            logger.debug('_recdBitsArrivedCb: wrong bits ' + str(sender) + ", exp:" + str(recd.meshDownloadingFrom))
            return

        #update that we've heard back about this, reset the timeout
        gobject.source_remove(recd.meshReqCallbackId)
        recd.meshReqCallbackId = gobject.timeout_add(self._collab_timeout, self._check_recd_request, recd)

        #update the progress bar
        recd.meshDownlodingPercent = (part+0.0)/(num_parts+0.0)
        recd.meshDownloadingProgress = True
        self.activity.update_download_progress(recd)
        open(recd.getMediaFilepath(), 'a+').write(bytes)

        if part > num_parts:
            logger.error('More parts than required have arrived')
            return
        if part != num_parts:
            return

        logger.debug('Finished receiving %s' % recd.title)
        gobject.source_remove(recd.meshReqCallbackId)
        recd.meshReqCallbackId = 0
        recd.meshDownloading = False
        recd.meshDownlodingPercent = 1.0
        recd.downloadedFromBuddy = True
        if recd.type == constants.TYPE_AUDIO:
            path = recd.getMediaFilepath()
            bundle_path = os.path.join(Instance.instancePath, "audioBundle")
            bundle_path = utils.getUniqueFilepath(bundle_path, 0)

            cmd = "split -a 1 -b " + str(recd.mediaBytes) + " " + path + " " + bundle_path
            logger.debug(cmd)
            os.system(cmd)

            bundle_name = os.path.basename(bundle_path)
            media_filename = bundle_name + "a"
            media_path = os.path.join(Instance.instancePath, media_filename)
            media_path_ext = os.path.join(Instance.instancePath, media_filename+".ogg")
            os.rename(media_path, media_path_ext)
            audio_image_name = bundle_name + "b"
            audio_image_path = os.path.join(Instance.instancePath, audio_image_name)
            audio_image_path_ext = os.path.join(Instance.instancePath, audio_image_name+".png")
            os.rename(audio_image_path, audio_image_path_ext)

            recd.mediaFilename = os.path.basename(media_path_ext)
            recd.audioImageFilename = os.path.basename(audio_image_path_ext)

        self.activity.remote_recd_available(recd)

    def _recd_unavailable_cb(self, remote_object, md5sum, sender):
        logger.debug('_recdUnavailableCb: sux, we want to see that photo')
        recd = self.model.get_recd_by_md5(md5sum)
        if not recd:
            logger.debug('_recdUnavailableCb: actually, we dont even know about that one..')
            return
        if recd.deleted:
            logger.debug('_recdUnavailableCb: actually, since we asked, we deleted.')
            return
        if not recd.buddy:
            logger.debug('_recdUnavailableCb: uh, odd, we took that photo and have it already.')
            return
        if recd.downloadedFromBuddy:
            logger.debug('_recdUnavailableCb: we already downloaded it...  you might have been slow responding.')
            return
        if recd.meshDownloadingFrom != sender:
            logger.debug('_recdUnavailableCb: we arent asking you for a copy now.  slow response, pbly.')
            return
Exemplo n.º 4
0
class RecordCollab(object):
    def __init__(self, activity_obj, model):
        self.activity = activity_obj
        self.model = model
        self._tube = None
        self._collab_timeout = 10000

    def set_activity_shared(self):
        self._setup()
        self._tubes_channel.OfferDBusTube(constants.DBUS_SERVICE, {})

    def share_recd(self, recd):
        if not self._tube:
            return
        xmlstr = serialize.getRecdXmlMeshString(recd)
        self._tube.notifyBudsOfNewRecd(Instance.keyHashPrintable, xmlstr)

    def joined(self):
        if not self.activity.get_shared_activity():
            return
        self._setup()
        self._tubes_channel.ListTubes(reply_handler=self._list_tubes_reply_cb,
                                      error_handler=self._list_tubes_error_cb)

    def request_download(self, recd):
        if recd.meshDownloading:
            logger.debug('meshInitRoundRobin: we are in midst of '
                         'downloading this file...')
            return

        # start with who took the photo
        recd.triedMeshBuddies = []
        recd.triedMeshBuddies.append(Instance.keyHashPrintable)
        self._req_recd_from_buddy(recd, recd.recorderHash, recd.recorderName)

    def _list_tubes_reply_cb(self, tubes):
        for tube_info in tubes:
            self._new_tube_cb(*tube_info)

    @staticmethod
    def _list_tubes_error_cb(e):
        logger.error('ListTubes() failed: %s', e)

    def _setup(self):
        # sets up the tubes...
        shared_activity = self.activity.shared_activity
        if not shared_activity:
            logger.error('_setup: Failed to share or join activity')
            return

        self._connection = shared_activity.telepathy_conn
        tubes_chan = shared_activity.telepathy_tubes_chan
        text_chan = shared_activity.telepathy_text_chan

        self._tubes_channel = \
            tubes_chan[TelepathyGLib.IFACE_CHANNEL_TYPE_TUBES]
        self._text_channel = \
            text_chan[TelepathyGLib.IFACE_CHANNEL_INTERFACE_GROUP]

        self._tubes_channel.connect_to_signal('NewTube', self._new_tube_cb)

    def _new_tube_cb(self, id, initiator, type, service, params, state):
        logger.debug(
            'New tube: ID=%d initator=%d type=%d service=%s '
            'params=%r state=%d', id, initiator, type, service, params, state)
        if type != TelepathyGLib.TubeType.DBUS or \
           service != constants.DBUS_SERVICE:

            return

        if state == TelepathyGLib.TubeState.LOCAL_PENDING:
            self._tubes_channel.AcceptDBusTube(id)
        tube_connection = TubeConnection(self._connection,
                                         self._tubes_channel,
                                         id,
                                         group_iface=self._text_channel)
        self._tube = RecordTube(tube_connection)
        self._tube.connect("new-recd", self._new_recd_cb)
        self._tube.connect("recd-request", self._recd_request_cb)
        self._tube.connect("recd-bits-arrived", self._recd_bits_arrived_cb)
        self._tube.connect("recd-unavailable", self._recd_unavailable_cb)

    def _new_recd_cb(self, remote_object, recorder, xmlstr):
        logger.debug('new_recd_cb')
        dom = None
        try:
            dom = xml.dom.minidom.parseString(xmlstr)
        except:
            logger.error('Unable to parse mesh xml')
        if not dom:
            return

        recd = Recorded()
        recd = serialize.fillRecdFromNode(recd, dom.documentElement)
        if not recd:
            logger.debug('_newRecdCb: recd is None. Unable to parse XML')
            return

        logger.debug('_newRecdCb: adding new recd thumb')
        recd.buddy = True
        recd.downloadedFromBuddy = False
        self.model.add_recd(recd)

    def _req_recd_from_buddy(self, recd, sender, nick):
        recd.triedMeshBuddies.append(sender)
        recd.meshDownloadingFrom = sender
        recd.meshDownloadingFromNick = nick
        recd.meshDownloadingProgress = False
        recd.meshDownloading = True
        recd.meshDownlodingPercent = 0.0
        self.activity.update_download_progress(recd)
        recd.meshReqCallbackId = GLib.timeout_add(self._collab_timeout,
                                                  self._check_recd_request,
                                                  recd)
        self._tube.requestRecdBits(Instance.keyHashPrintable, sender,
                                   recd.mediaMd5)

    def _next_round_robin_buddy(self, recd):
        logger.debug('meshNextRoundRobinBuddy')
        if recd.meshReqCallbackId:
            GLib.source_remove(recd.meshReqCallbackId)
            recd.meshReqCallbackId = 0

        # delete any stub of a partially downloaded file
        path = recd.getMediaFilepath()
        if path and os.path.exists(path):
            os.remove(path)

        good_buddy_obj = None
        buds = self.activity.get_shared_activity().get_joined_buddies()
        for buddy_obj in buds:
            buddy = util.sha_data(buddy_obj.props.key)
            buddy = util.printable_hash(buddy)
            if recd.triedMeshBuddies.count(buddy) > 0:
                logger.debug('mnrrb: weve already tried bud ' +
                             buddy_obj.props.nick)
            else:
                logger.debug('mnrrb: ask next buddy: ' + buddy_obj.props.nick)
                good_buddy_obj = buddy_obj
                break

        if good_buddy_obj:
            buddy = util.sha_data(good_buddy_obj.props.key)
            buddy = util.printable_hash(buddy)
            self._req_recd_from_buddy(recd, buddy, good_buddy_obj.props.nick)
        else:
            logger.debug('we\'ve tried all buddies here, '
                         'and no one has this recd')
            recd.meshDownloading = False
            recd.triedMeshBuddies = []
            recd.triedMeshBuddies.append(Instance.keyHashPrintable)
            self.activity.update_download_progress(recd)

        return False

    def _recd_request_cb(self, remote_object, remote_person, md5sum):
        # if we are here, it is because someone has been told we have
        # what they want.  we need to send them that thing, whatever
        # that thing is
        recd = self.model.get_recd_by_md5(md5sum)
        if not recd:
            logger.debug('_recdRequestCb: we dont have the recd '
                         'they asked for')
            self._tube.unavailableRecd(md5sum, Instance.keyHashPrintable,
                                       remote_person)
            return

        if recd.deleted:
            logger.debug('_recdRequestCb: we have the recd, '
                         'but it has been deleted, so we won\'t share')
            self._tube.unavailableRecd(md5sum, Instance.keyHashPrintable,
                                       remote_person)
            return

        if recd.buddy and not recd.downloadedFromBuddy:
            logger.debug('_recdRequestCb: we have an incomplete recd, '
                         'so we won\'t share')
            self._tube.unavailableRecd(md5sum, Instance.keyHashPrintable,
                                       remote_person)
            return

        recd.meshUploading = True
        path = recd.getMediaFilepath()

        if recd.type == constants.TYPE_AUDIO:
            audioImgFilepath = recd.getAudioImageFilepath()

            dest_path = os.path.join(Instance.instancePath, "audioBundle")
            dest_path = utils.getUniqueFilepath(dest_path, 0)
            cmd = "cat " + path + " " + audioImgFilepath + " > " + dest_path
            logger.debug(cmd)
            os.system(cmd)
            path = dest_path
        # TODO: add videoBundle from recd.getVideoImageFilepath() but
        # requires transmitting audioBundle size

        self._tube.broadcastRecd(recd.mediaMd5, path, remote_person)
        recd.meshUploading = False
        # if you were deleted while uploading, now throw away those bits now
        if recd.deleted:
            recd.doDeleteRecorded(recd)

    def _check_recd_request(self, recd):
        # todo: add category for "not active activity, so go ahead and delete"

        if recd.downloadedFromBuddy:
            logger.debug('_meshCheckOnRecdRequest: '
                         'recdRequesting.downloadedFromBuddy')
            if recd.meshReqCallbackId:
                GLib.source_remove(recd.meshReqCallbackId)
                recd.meshReqCallbackId = 0
            return False
        if recd.deleted:
            logger.debug('_meshCheckOnRecdRequest: ' 'recdRequesting.deleted')
            if recd.meshReqCallbackId:
                GLib.source_remove(recd.meshReqCallbackId)
                recd.meshReqCallbackId = 0
            return False
        if recd.meshDownloadingProgress:
            logger.debug('_meshCheckOnRecdRequest: '
                         'recdRequesting.meshDownloadingProgress')
            # we've received some bits since last we checked, so keep
            # waiting...  they'll all get here eventually!
            recd.meshDownloadingProgress = False
            return True
        else:
            logger.debug('_meshCheckOnRecdRequest: '
                         '! recdRequesting.meshDownloadingProgress')
            # that buddy we asked info from isn't responding; next buddy!
            # self.meshNextRoundRobinBuddy( recdRequesting )
            GLib.idle_add(self._next_round_robin_buddy, recd)
            return False

    def _recd_bits_arrived_cb(self, remote_object, md5sum, part, num_parts,
                              bytes, sender):
        recd = self.model.get_recd_by_md5(md5sum)
        if not recd:
            logger.debug('_recdBitsArrivedCb: thx 4 yr bits, '
                         'but we dont even have that photo')
            return
        if recd.deleted:
            logger.debug('_recdBitsArrivedCb: thx 4 yr bits, '
                         'but we deleted that photo')
            return
        if recd.downloadedFromBuddy:
            logger.debug('_recdBitsArrivedCb: we\'ve already '
                         'downloadedFromBuddy')
            return
        if not recd.buddy:
            logger.debug('_recdBitsArrivedCb: uh, we took this photo, '
                         'so dont need your bits')
            return
        if recd.meshDownloadingFrom != sender:
            logger.debug('_recdBitsArrivedCb: wrong bits ' + str(sender) +
                         ', exp:' + str(recd.meshDownloadingFrom))
            return

        # update that we've heard back about this, reset the timeout
        if recd.meshReqCallbackId:
            GLib.source_remove(recd.meshReqCallbackId)
        recd.meshReqCallbackId = GLib.timeout_add(self._collab_timeout,
                                                  self._check_recd_request,
                                                  recd)

        # update the progress bar
        recd.meshDownlodingPercent = (part + 0.0) / (num_parts + 0.0)
        recd.meshDownloadingProgress = True
        self.activity.update_download_progress(recd)
        open(recd.getMediaFilepath(), 'a+').write(bytes)

        if part > num_parts:
            logger.error('More parts than required have arrived')
            return
        if part != num_parts:
            return

        logger.debug('Finished receiving %s' % recd.title)
        GLib.source_remove(recd.meshReqCallbackId)
        recd.meshReqCallbackId = 0
        recd.meshDownloading = False
        recd.meshDownlodingPercent = 1.0
        recd.downloadedFromBuddy = True
        if recd.type == constants.TYPE_AUDIO:
            path = recd.getMediaFilepath()
            bundle_path = os.path.join(Instance.instancePath, "audioBundle")
            bundle_path = utils.getUniqueFilepath(bundle_path, 0)
            # TODO: get videoBundle for recd.videoImageFilename
            # requires transmitting audioBundle size

            cmd = "split -a 1 -b " + str(recd.mediaBytes) + " " + path + \
                  " " + bundle_path
            logger.debug(cmd)
            os.system(cmd)

            bundle_name = os.path.basename(bundle_path)
            media_filename = bundle_name + "a"
            media_path = os.path.join(Instance.instancePath, media_filename)
            media_path_ext = os.path.join(Instance.instancePath,
                                          media_filename + ".ogg")
            os.rename(media_path, media_path_ext)
            audio_image_name = bundle_name + "b"
            audio_image_path = os.path.join(Instance.instancePath,
                                            audio_image_name)
            audio_image_path_ext = os.path.join(Instance.instancePath,
                                                audio_image_name + ".png")
            os.rename(audio_image_path, audio_image_path_ext)

            recd.mediaFilename = os.path.basename(media_path_ext)
            recd.audioImageFilename = os.path.basename(audio_image_path_ext)

        self.activity.remote_recd_available(recd)

    def _recd_unavailable_cb(self, remote_object, md5sum, sender):
        logger.debug('_recdUnavailableCb: sux, we want to see that photo')
        recd = self.model.get_recd_by_md5(md5sum)
        if not recd:
            logger.debug('_recdUnavailableCb: actually, we don\'t even know '
                         'about that one..')
            return
        if recd.deleted:
            logger.debug('_recdUnavailableCb: actually, since we asked, '
                         'we deleted.')
            return
        if not recd.buddy:
            logger.debug('_recdUnavailableCb: uh, odd, '
                         'we took that photo and have it already.')
            return
        if recd.downloadedFromBuddy:
            logger.debug('_recdUnavailableCb: we already downloaded it...  '
                         'you might have been slow responding.')
            return
        if recd.meshDownloadingFrom != sender:
            logger.debug('_recdUnavailableCb: we aren\'t asking you '
                         'for a copy now.  slow response, pbly.')
            return