X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=src%2Fbindings%2Fpython%2Fbt2%2Fbt2%2Fmessage_iterator.py;h=62c5610c5f788673952f725af0fc84fe63767242;hb=776a2a252c9875caa1e8b4f41cb8cc12c79611c3;hp=8f3aac92ef6c8e045cefb62c13229706558d8825;hpb=75882e97aed48428d4a0abc32a6382be811ad994;p=babeltrace.git diff --git a/src/bindings/python/bt2/bt2/message_iterator.py b/src/bindings/python/bt2/bt2/message_iterator.py index 8f3aac92..62c5610c 100644 --- a/src/bindings/python/bt2/bt2/message_iterator.py +++ b/src/bindings/python/bt2/bt2/message_iterator.py @@ -1,24 +1,6 @@ -# The MIT License (MIT) +# SPDX-License-Identifier: MIT # # Copyright (c) 2017 Philippe Proulx -# -# 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 as bt2_message @@ -37,12 +19,8 @@ class _MessageIterator(collections.abc.Iterator): class _UserComponentInputPortMessageIterator(object._SharedObject, _MessageIterator): - _get_ref = staticmethod( - native_bt.self_component_port_input_message_iterator_get_ref - ) - _put_ref = staticmethod( - native_bt.self_component_port_input_message_iterator_put_ref - ) + _get_ref = staticmethod(native_bt.message_iterator_get_ref) + _put_ref = staticmethod(native_bt.message_iterator_put_ref) def __init__(self, ptr): self._current_msgs = [] @@ -66,12 +44,7 @@ class _UserComponentInputPortMessageIterator(object._SharedObject, _MessageItera return bt2_message._create_from_ptr(msg_ptr) def can_seek_beginning(self): - ( - status, - res, - ) = native_bt.self_component_port_input_message_iterator_can_seek_beginning( - self._ptr - ) + (status, res) = native_bt.message_iterator_can_seek_beginning(self._ptr) utils._handle_func_status( status, 'cannot check whether or not message iterator can seek its beginning', @@ -83,17 +56,12 @@ class _UserComponentInputPortMessageIterator(object._SharedObject, _MessageItera self._current_msgs.clear() self._at = 0 - status = native_bt.self_component_port_input_message_iterator_seek_beginning( - self._ptr - ) + status = native_bt.message_iterator_seek_beginning(self._ptr) utils._handle_func_status(status, 'cannot seek message iterator beginning') def can_seek_ns_from_origin(self, ns_from_origin): utils._check_int64(ns_from_origin) - ( - status, - res, - ) = native_bt.self_component_port_input_message_iterator_can_seek_ns_from_origin( + (status, res) = native_bt.message_iterator_can_seek_ns_from_origin( self._ptr, ns_from_origin ) utils._handle_func_status( @@ -109,7 +77,7 @@ class _UserComponentInputPortMessageIterator(object._SharedObject, _MessageItera self._current_msgs.clear() self._at = 0 - status = native_bt.self_component_port_input_message_iterator_seek_ns_from_origin( + status = native_bt.message_iterator_seek_ns_from_origin( self._ptr, ns_from_origin ) utils._handle_func_status( @@ -118,9 +86,7 @@ class _UserComponentInputPortMessageIterator(object._SharedObject, _MessageItera @property def can_seek_forward(self): - return native_bt.self_component_port_input_message_iterator_can_seek_forward( - self._ptr - ) + return native_bt.message_iterator_can_seek_forward(self._ptr) class _MessageIteratorConfiguration: @@ -138,8 +104,7 @@ class _MessageIteratorConfiguration: # This is extended by the user to implement component classes in Python. It # is created for a given output port when an input port message iterator is -# created on the input port on the other side of the connection. It is also -# created when an output port message iterator is created on this output port. +# created on the input port on the other side of the connection. # # Its purpose is to feed the messages that should go out through this output # port. @@ -249,13 +214,16 @@ class _UserMessageIterator(_MessageIterator): def _bt_seek_ns_from_origin_from_native(self, ns_from_origin): self._user_seek_ns_from_origin(ns_from_origin) - def _create_input_port_message_iterator(self, input_port): + 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, - ) = native_bt.bt2_self_component_port_input_message_iterator_create_from_message_iterator( + ) = native_bt.bt2_message_iterator_create_from_message_iterator( self._bt_ptr, input_port._ptr ) utils._handle_func_status(status, 'cannot create message iterator object') @@ -414,8 +382,18 @@ class _UserMessageIterator(_MessageIterator): utils._check_uint64(beg_clock_snapshot) utils._check_uint64(end_clock_snapshot) - ptr = native_bt.message_discarded_events_create_with_default_clock_snapshots( - self._bt_ptr, stream._ptr, beg_clock_snapshot, end_clock_snapshot + + if beg_clock_snapshot > end_clock_snapshot: + raise ValueError( + 'beginning default clock snapshot value ({}) is greater than end default clock snapshot value ({})'.format( + beg_clock_snapshot, end_clock_snapshot + ) + ) + + ptr = ( + native_bt.message_discarded_events_create_with_default_clock_snapshots( + self._bt_ptr, stream._ptr, beg_clock_snapshot, end_clock_snapshot + ) ) else: if beg_clock_snapshot is not None or end_clock_snapshot is not None: @@ -451,8 +429,18 @@ class _UserMessageIterator(_MessageIterator): utils._check_uint64(beg_clock_snapshot) utils._check_uint64(end_clock_snapshot) - ptr = native_bt.message_discarded_packets_create_with_default_clock_snapshots( - self._bt_ptr, stream._ptr, beg_clock_snapshot, end_clock_snapshot + + if beg_clock_snapshot > end_clock_snapshot: + raise ValueError( + 'beginning default clock snapshot value ({}) is greater than end default clock snapshot value ({})'.format( + beg_clock_snapshot, end_clock_snapshot + ) + ) + + ptr = ( + native_bt.message_discarded_packets_create_with_default_clock_snapshots( + self._bt_ptr, stream._ptr, beg_clock_snapshot, end_clock_snapshot + ) ) else: if beg_clock_snapshot is not None or end_clock_snapshot is not None: