Ejemplo n.º 1
0
 def _on_supplier_response(self, newpacket, info):
     wrapped_packet = signed.Unserialize(newpacket.Payload)
     if _Debug:
         lg.args(_DebugLevel,
                 newpacket=newpacket,
                 wrapped_packet=wrapped_packet)
     if not wrapped_packet or not wrapped_packet.Valid():
         lg.err('incoming Data() is not valid')
         return
     supplier_idurl = wrapped_packet.RemoteID
     from storage import backup_control
     supplier_revision = backup_control.IncomingSupplierBackupIndex(
         wrapped_packet)
     self.requesting_suppliers.discard(supplier_idurl)
     if supplier_revision is not None:
         reactor.callLater(0, self.automat, 'index-file-received', (
             newpacket,
             supplier_revision,
         ))  # @UndefinedVariable
     if _Debug:
         lg.out(
             _DebugLevel,
             'index_synchronizer._on_supplier_response %s from %r, pending: %d, total: %d'
             % (newpacket, supplier_idurl, len(self.requesting_suppliers),
                self.requested_suppliers_number))
     if len(self.requesting_suppliers) == 0:
         reactor.callLater(0, self.automat,
                           'all-responded')  # @UndefinedVariable
Ejemplo n.º 2
0
 def _on_inbox_packet_received(self, newpacket, info, status,
                               error_message):
     from logs import lg
     from main import settings
     from contacts import contactsdb
     from userid import my_id
     from userid import global_id
     from storage import backup_control
     from p2p import commands
     if newpacket.Command == commands.Data():
         if newpacket.OwnerID != my_id.getLocalID():
             # only catch data belongs to me
             return False
         lg.out(
             self.debug_level,
             "service_backups._on_inbox_packet_received: %r for us from %s"
             % (
                 newpacket,
                 newpacket.RemoteID,
             ))
         if newpacket.PacketID == global_id.MakeGlobalID(
                 idurl=my_id.getLocalID(),
                 path=settings.BackupIndexFileName(),
         ):
             # TODO: move to service_backup_db
             backup_control.IncomingSupplierBackupIndex(newpacket)
             return True
     if newpacket.Command == commands.Files():
         if not newpacket.PacketID.startswith(my_id.getGlobalID() + ':'):
             # skip Files() which are from another customer
             return False
         if not contactsdb.is_supplier(newpacket.OwnerID):
             # skip Files() if this is not my supplier
             return False
         lg.out(
             self.debug_level,
             "service_backups._on_inbox_packet_received: %r for us from %s"
             % (
                 newpacket,
                 newpacket.RemoteID,
             ))
         return backup_control.IncomingSupplierListFiles(newpacket)
     return False
 def _on_supplier_response(self, newpacket, pkt_out):
     if newpacket.Command == commands.Data():
         wrapped_packet = signed.Unserialize(newpacket.Payload)
         if not wrapped_packet or not wrapped_packet.Valid():
             lg.err('incoming Data() is not valid')
             return
         from storage import backup_control
         backup_control.IncomingSupplierBackupIndex(wrapped_packet)
         # p2p_service.SendAck(newpacket)
         self.requesting_suppliers.discard(wrapped_packet.RemoteID)
     elif newpacket.Command == commands.Fail():
         self.requesting_suppliers.discard(newpacket.OwnerID)
     else:
         raise Exception('wrong type of response')
     if _Debug:
         lg.out(
             _DebugLevel,
             'index_synchronizer._on_supplier_response %s, pending: %d, total: %d'
             % (newpacket, len(self.requesting_suppliers),
                self.requested_suppliers_number))
     if len(self.requesting_suppliers) == 0:
         self.automat('all-responded')
Ejemplo n.º 4
0
def Data(request):
    """
    This is when we 1) save my requested data to restore the backup 2) or save
    the customer file on our local HDD.
    """
    if _Debug:
        lg.out(
            _DebugLevel, 'p2p_service.Data %d bytes in [%s] by %s | %s' %
            (len(request.Payload), request.PacketID, request.OwnerID,
             request.CreatorID))
    # 1. this is our Data!
    if request.OwnerID == my_id.getLocalID():
        if _Debug:
            lg.out(
                _DebugLevel, "p2p_service.Data %r for us from %s" %
                (request, nameurl.GetName(request.RemoteID)))
        if driver.is_on('service_backups'):
            # TODO: move this into callback
            settings.BackupIndexFileName()
            indexPacketID = global_id.MakeGlobalID(
                idurl=my_id.getLocalID(), path=settings.BackupIndexFileName())
            if request.PacketID == indexPacketID:
                from storage import backup_control
                backup_control.IncomingSupplierBackupIndex(request)
                return True
        return False
    # 2. this Data is not belong to us
    if not driver.is_on('service_supplier'):
        return SendFail(request, 'supplier service is off')
    if not contactsdb.is_customer(request.OwnerID):  # SECURITY
        lg.warn("%s not a customer, packetID=%s" %
                (request.OwnerID, request.PacketID))
        SendFail(request, 'not a customer')
        return
    glob_path = global_id.ParseGlobalID(request.PacketID)
    if not glob_path['path']:
        # backward compatible check
        glob_path = global_id.ParseGlobalID(my_id.getGlobalID() + ':' +
                                            request.PacketID)
    if not glob_path['path']:
        lg.warn("got incorrect PacketID")
        SendFail(request, 'incorrect PacketID')
        return
    # TODO: process files from another customer : glob_path['idurl']
    filename = makeFilename(request.OwnerID, glob_path['path'])
    if not filename:
        lg.warn("got empty filename, bad customer or wrong packetID? ")
        SendFail(request, 'empty filename')
        return
    dirname = os.path.dirname(filename)
    if not os.path.exists(dirname):
        try:
            bpio._dirs_make(dirname)
        except:
            lg.warn("ERROR can not create sub dir " + dirname)
            SendFail(request, 'write error')
            return
    data = request.Serialize()
    donated_bytes = settings.getDonatedBytes()
    if not os.path.isfile(settings.CustomersSpaceFile()):
        bpio._write_dict(settings.CustomersSpaceFile(),
                         {'free': donated_bytes})
        if _Debug:
            lg.out(_DebugLevel, 'p2p_service.Data created a new space file')
    space_dict = bpio._read_dict(settings.CustomersSpaceFile())
    if request.OwnerID not in space_dict.keys():
        lg.warn("no info about donated space for %s" % request.OwnerID)
        SendFail(request, 'no info about donated space')
        return
    used_space_dict = bpio._read_dict(settings.CustomersUsedSpaceFile(), {})
    if request.OwnerID in used_space_dict.keys():
        try:
            bytes_used_by_customer = int(used_space_dict[request.OwnerID])
            bytes_donated_to_customer = int(space_dict[request.OwnerID])
            if bytes_donated_to_customer - bytes_used_by_customer < len(data):
                lg.warn("no free space for %s" % request.OwnerID)
                SendFail(request, 'no free space')
                return
        except:
            lg.exc()
    if not bpio.WriteFile(filename, data):
        lg.warn("ERROR can not write to " + str(filename))
        SendFail(request, 'write error')
        return
    SendAck(request, str(len(request.Payload)))
    from supplier import local_tester
    reactor.callLater(0, local_tester.TestSpaceTime)
    del data
    if _Debug:
        lg.out(
            _DebugLevel, "p2p_service.Data saved from [%s | %s] to %s" % (
                request.OwnerID,
                request.CreatorID,
                filename,
            ))