def append_other_data(self, datagram):
field_packer = DCPacker()
for index in self._other_fields:
field = self._dc_class.get_field_by_index(index)
if not field:
self.notify.error(
'Failed to append other data for field: %s dclass: %s, unknown field!'
% (field_name, self._dc_class.get_name()))
field_packer.begin_pack(field)
field.pack_args(field_packer,
self._other_fields[field.get_number()])
field_packer.end_pack()
datagram.append_data(field_packer.get_string())
def handle_send_update(self, field, sender, channel, di):
datagram = io.NetworkDatagram()
datagram.add_header(channel, sender,
types.STATESERVER_OBJECT_UPDATE_FIELD)
datagram.add_uint32(self._do_id)
datagram.add_uint16(field.get_number())
field_packer = DCPacker()
field_packer.begin_pack(field)
if di.get_remaining_size():
field_packer.pack_literal_value(di.get_remaining_bytes())
field_packer.end_pack()
datagram.append_data(field_packer.get_string())
self._network.handle_send_connection_datagram(datagram)
def create_object(self,
channel_id,
database_id,
dclass,
fields={},
callback=None):
"""
Create an object in the specified database.
database_id specifies the control channel of the target database.
dclass specifies the class of the object to be created.
fields is a dict with any fields that should be stored in the object on creation.
callback will be called with callback(do_id) if specified. On failure, do_id is 0.
"""
# Save the callback:
ctx = self.get_context()
self._callbacks[ctx] = callback
# Pack up/count valid fields.
field_packer = DCPacker()
field_count = 0
for k, v in fields.items():
field = dclass.get_field_by_name(k)
if not field:
self.notify.error(
'Creation request for %s object contains an invalid field named %s'
% (dclass.get_name(), k))
field_packer.raw_pack_uint16(field.get_number())
field_packer.begin_pack(field)
field.pack_args(field_packer, v)
field_packer.end_pack()
field_count += 1
# Now generate and send the datagram:
dg = NetworkDatagram()
dg.add_header(database_id, channel_id, types.DBSERVER_CREATE_OBJECT)
dg.add_uint32(ctx)
dg.add_uint16(dclass.get_number())
dg.add_uint16(field_count)
dg.append_data(field_packer.get_string())
self._network.handle_send_connection_datagram(dg)
def handle_object_get_all(self, sender, di):
context = di.get_uint32()
do_id = di.get_uint32()
file_object = self._backend.open_file(
self._backend.get_filename(do_id))
if not file_object:
self.notify.warning(
'Failed to get fields for object: %d context: %d, unknown object!'
% (do_id, context))
return
dc_name = file_object.get_value('dclass')
dc_class = self.dc_loader.dclasses_by_name.get(dc_name)
if not dc_class:
self.notify.warning(
'Failed to query object: %d context: %d, unknown dclass: %s!' %
(do_id, context, dc_name))
return
fields = file_object.get_value('fields')
if not fields:
self.notify.warning(
'Failed to query object: %d context %d, invalid fields!' %
(do_id, context))
return
datagram = io.NetworkDatagram()
datagram.add_header(sender, self.channel,
types.DBSERVER_OBJECT_GET_ALL_RESP)
datagram.add_uint32(context)
datagram.add_uint8(1)
field_packer = DCPacker()
field_count = 0
for field_name, field_args in fields.items():
field = dc_class.get_field_by_name(field_name)
if not field:
self.notify.warning(
'Failed to query object %d context: %d, unknown field: %s'
% (do_id, context, field_name))
return
field_packer.raw_pack_uint16(field.get_number())
field_packer.begin_pack(field)
field.pack_args(field_packer, field_args)
field_packer.end_pack()
field_count += 1
self._backend.close_file(file_object)
datagram.add_uint16(dc_class.get_number())
datagram.add_uint16(field_count)
datagram.append_data(field_packer.get_string())
self.handle_send_connection_datagram(datagram)
