-# The MIT License (MIT)
+# SPDX-License-Identifier: MIT
#
# Copyright (c) 2017 Philippe Proulx <pproulx@efficios.com>
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-# THE SOFTWARE.
from bt2 import native_bt, object, utils
from bt2 import message_iterator as bt2_message_iterator
def _add_output_port(self, name, user_data=None):
utils._check_str(name)
+
+ if name in self._output_ports:
+ raise ValueError(
+ 'source component `{}` already contains an output port named `{}`'.format(
+ self.name, name
+ )
+ )
+
fn = native_bt.self_component_source_add_output_port
comp_status, self_port_ptr = fn(self._bt_ptr, name, user_data)
utils._handle_func_status(
comp_status, 'cannot add output port to source component object'
)
assert self_port_ptr is not None
- return bt2_port._UserComponentOutputPort._create_from_ptr(self_port_ptr)
+ return bt2_port._UserComponentOutputPort._create_from_ptr_and_get_ref(
+ self_port_ptr
+ )
class _UserFilterComponent(_UserComponent, _FilterComponentConst):
def _add_output_port(self, name, user_data=None):
utils._check_str(name)
+
+ if name in self._output_ports:
+ raise ValueError(
+ 'filter component `{}` already contains an output port named `{}`'.format(
+ self.name, name
+ )
+ )
+
fn = native_bt.self_component_filter_add_output_port
comp_status, self_port_ptr = fn(self._bt_ptr, name, user_data)
utils._handle_func_status(
comp_status, 'cannot add output port to filter component object'
)
assert self_port_ptr
- return bt2_port._UserComponentOutputPort._create_from_ptr(self_port_ptr)
+ return bt2_port._UserComponentOutputPort._create_from_ptr_and_get_ref(
+ self_port_ptr
+ )
def _add_input_port(self, name, user_data=None):
utils._check_str(name)
+
+ if name in self._input_ports:
+ raise ValueError(
+ 'filter component `{}` already contains an input port named `{}`'.format(
+ self.name, name
+ )
+ )
+
fn = native_bt.self_component_filter_add_input_port
comp_status, self_port_ptr = fn(self._bt_ptr, name, user_data)
utils._handle_func_status(
comp_status, 'cannot add input port to filter component object'
)
assert self_port_ptr
- return bt2_port._UserComponentInputPort._create_from_ptr(self_port_ptr)
+ return bt2_port._UserComponentInputPort._create_from_ptr_and_get_ref(
+ self_port_ptr
+ )
class _UserSinkComponent(_UserComponent, _SinkComponentConst):
def _add_input_port(self, name, user_data=None):
utils._check_str(name)
+
+ if name in self._input_ports:
+ raise ValueError(
+ 'sink component `{}` already contains an input port named `{}`'.format(
+ self.name, name
+ )
+ )
+
fn = native_bt.self_component_sink_add_input_port
comp_status, self_port_ptr = fn(self._bt_ptr, name, user_data)
utils._handle_func_status(
comp_status, 'cannot add input port to sink component object'
)
assert self_port_ptr
- return bt2_port._UserComponentInputPort._create_from_ptr(self_port_ptr)
+ return bt2_port._UserComponentInputPort._create_from_ptr_and_get_ref(
+ self_port_ptr
+ )
def _create_message_iterator(self, input_port):
utils._check_type(input_port, bt2_port._UserComponentInputPort)
+ if not input_port.is_connected:
+ raise ValueError('input port is not connected')
+
(
status,
msg_iter_ptr,