Commit | Line | Data |
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0235b0db | 1 | # SPDX-License-Identifier: MIT |
81447b5b PP |
2 | # |
3 | # Copyright (c) 2017 Philippe Proulx <pproulx@efficios.com> | |
81447b5b PP |
4 | |
5 | from bt2 import native_bt, object, utils | |
3fb99a22 | 6 | from bt2 import message as bt2_message |
81447b5b | 7 | import collections.abc |
3fb99a22 PP |
8 | from bt2 import stream as bt2_stream |
9 | from bt2 import event_class as bt2_event_class | |
10 | from bt2 import packet as bt2_packet | |
11 | from bt2 import port as bt2_port | |
12 | from bt2 import clock_class as bt2_clock_class | |
81447b5b PP |
13 | import bt2 |
14 | ||
15 | ||
5602ef81 | 16 | class _MessageIterator(collections.abc.Iterator): |
81447b5b | 17 | def __next__(self): |
811644b8 | 18 | raise NotImplementedError |
81447b5b PP |
19 | |
20 | ||
1975af3d | 21 | class _UserComponentInputPortMessageIterator(object._SharedObject, _MessageIterator): |
9a2c8b8e PP |
22 | _get_ref = staticmethod(native_bt.message_iterator_get_ref) |
23 | _put_ref = staticmethod(native_bt.message_iterator_put_ref) | |
1975af3d | 24 | |
2ae9f48c | 25 | def __init__(self, ptr): |
cfbd7cf3 FD |
26 | self._current_msgs = [] |
27 | self._at = 0 | |
28 | super().__init__(ptr) | |
811644b8 PP |
29 | |
30 | def __next__(self): | |
2ae9f48c | 31 | if len(self._current_msgs) == self._at: |
1975af3d SM |
32 | status, msgs = native_bt.bt2_self_component_port_input_get_msg_range( |
33 | self._ptr | |
34 | ) | |
cfbd7cf3 FD |
35 | utils._handle_func_status( |
36 | status, 'unexpected error: cannot advance the message iterator' | |
37 | ) | |
2ae9f48c SM |
38 | self._current_msgs = msgs |
39 | self._at = 0 | |
40 | ||
41 | msg_ptr = self._current_msgs[self._at] | |
42 | self._at += 1 | |
43 | ||
3fb99a22 | 44 | return bt2_message._create_from_ptr(msg_ptr) |
81447b5b | 45 | |
f00b8d40 | 46 | def can_seek_beginning(self): |
9a2c8b8e | 47 | (status, res) = native_bt.message_iterator_can_seek_beginning(self._ptr) |
f2fb1b32 SM |
48 | utils._handle_func_status( |
49 | status, | |
50 | 'cannot check whether or not message iterator can seek its beginning', | |
51 | ) | |
f00b8d40 SM |
52 | return res != 0 |
53 | ||
54 | def seek_beginning(self): | |
b6909b73 | 55 | # Forget about buffered messages, they won't be valid after seeking. |
f00b8d40 SM |
56 | self._current_msgs.clear() |
57 | self._at = 0 | |
58 | ||
9a2c8b8e | 59 | status = native_bt.message_iterator_seek_beginning(self._ptr) |
cfbd7cf3 | 60 | utils._handle_func_status(status, 'cannot seek message iterator beginning') |
f00b8d40 | 61 | |
c182d7dd SM |
62 | def can_seek_ns_from_origin(self, ns_from_origin): |
63 | utils._check_int64(ns_from_origin) | |
9a2c8b8e | 64 | (status, res) = native_bt.message_iterator_can_seek_ns_from_origin( |
c182d7dd SM |
65 | self._ptr, ns_from_origin |
66 | ) | |
67 | utils._handle_func_status( | |
68 | status, | |
69 | 'cannot check whether or not message iterator can seek given ns from origin', | |
70 | ) | |
71 | return res != 0 | |
72 | ||
73 | def seek_ns_from_origin(self, ns_from_origin): | |
74 | utils._check_int64(ns_from_origin) | |
75 | ||
76 | # Forget about buffered messages, they won't be valid after seeking. | |
77 | self._current_msgs.clear() | |
78 | self._at = 0 | |
79 | ||
9a2c8b8e | 80 | status = native_bt.message_iterator_seek_ns_from_origin( |
c182d7dd SM |
81 | self._ptr, ns_from_origin |
82 | ) | |
83 | utils._handle_func_status( | |
84 | status, 'message iterator cannot seek given ns from origin' | |
85 | ) | |
86 | ||
8d8b141d SM |
87 | @property |
88 | def can_seek_forward(self): | |
9a2c8b8e | 89 | return native_bt.message_iterator_can_seek_forward(self._ptr) |
8d8b141d SM |
90 | |
91 | ||
92 | class _MessageIteratorConfiguration: | |
93 | def __init__(self, ptr): | |
94 | self._ptr = ptr | |
95 | ||
96 | def can_seek_forward(self, value): | |
97 | utils._check_bool(value) | |
98 | native_bt.self_message_iterator_configuration_set_can_seek_forward( | |
99 | self._ptr, value | |
100 | ) | |
101 | ||
102 | can_seek_forward = property(fset=can_seek_forward) | |
103 | ||
811644b8 | 104 | |
c5f330cd SM |
105 | # This is extended by the user to implement component classes in Python. It |
106 | # is created for a given output port when an input port message iterator is | |
107 | # created on the input port on the other side of the connection. It is also | |
108 | # created when an output port message iterator is created on this output port. | |
109 | # | |
110 | # Its purpose is to feed the messages that should go out through this output | |
111 | # port. | |
5602ef81 | 112 | class _UserMessageIterator(_MessageIterator): |
81447b5b | 113 | def __new__(cls, ptr): |
811644b8 | 114 | # User iterator objects are always created by the native side, |
81447b5b PP |
115 | # that is, never instantiated directly by Python code. |
116 | # | |
811644b8 PP |
117 | # The native code calls this, then manually calls |
118 | # self.__init__() without the `ptr` argument. The user has | |
119 | # access to self.component during this call, thanks to this | |
85906b6b | 120 | # self._bt_ptr argument being set. |
81447b5b | 121 | # |
85906b6b | 122 | # self._bt_ptr is NOT owned by this object here, so there's nothing |
81447b5b PP |
123 | # to do in __del__(). |
124 | self = super().__new__(cls) | |
85906b6b | 125 | self._bt_ptr = ptr |
81447b5b PP |
126 | return self |
127 | ||
8d8b141d | 128 | def _bt_init_from_native(self, config_ptr, self_output_port_ptr): |
3fb99a22 | 129 | self_output_port = bt2_port._create_self_from_ptr_and_get_ref( |
cfbd7cf3 FD |
130 | self_output_port_ptr, native_bt.PORT_TYPE_OUTPUT |
131 | ) | |
8d8b141d SM |
132 | config = _MessageIteratorConfiguration(config_ptr) |
133 | self.__init__(config, self_output_port) | |
c5f330cd | 134 | |
8d8b141d | 135 | def __init__(self, config, self_output_port): |
81447b5b PP |
136 | pass |
137 | ||
138 | @property | |
811644b8 | 139 | def _component(self): |
85906b6b | 140 | return native_bt.bt2_get_user_component_from_user_msg_iter(self._bt_ptr) |
81447b5b | 141 | |
14503fb1 SM |
142 | @property |
143 | def _port(self): | |
144 | port_ptr = native_bt.self_message_iterator_borrow_port(self._bt_ptr) | |
145 | assert port_ptr is not None | |
146 | return bt2_port._create_self_from_ptr_and_get_ref( | |
147 | port_ptr, native_bt.PORT_TYPE_OUTPUT | |
148 | ) | |
149 | ||
81447b5b PP |
150 | @property |
151 | def addr(self): | |
85906b6b | 152 | return int(self._bt_ptr) |
81447b5b | 153 | |
9b4f9b42 PP |
154 | @property |
155 | def _is_interrupted(self): | |
156 | return bool(native_bt.self_message_iterator_is_interrupted(self._bt_ptr)) | |
157 | ||
6a91742b | 158 | def _user_finalize(self): |
81447b5b PP |
159 | pass |
160 | ||
811644b8 PP |
161 | def __next__(self): |
162 | raise bt2.Stop | |
163 | ||
85906b6b | 164 | def _bt_next_from_native(self): |
811644b8 PP |
165 | # this can raise anything: it's catched by the native part |
166 | try: | |
5602ef81 | 167 | msg = next(self) |
811644b8 PP |
168 | except StopIteration: |
169 | raise bt2.Stop | |
4c4935bf | 170 | except Exception: |
811644b8 PP |
171 | raise |
172 | ||
f0a42b33 | 173 | utils._check_type(msg, bt2_message._MessageConst) |
81447b5b | 174 | |
d79a8353 SM |
175 | # The reference we return will be given to the message array. |
176 | # However, the `msg` Python object may stay alive, if the user has kept | |
177 | # a reference to it. Acquire a new reference to account for that. | |
178 | msg._get_ref(msg._ptr) | |
179 | return int(msg._ptr) | |
2ae9f48c | 180 | |
85906b6b | 181 | def _bt_can_seek_beginning_from_native(self): |
f00b8d40 SM |
182 | # Here, we mimic the behavior of the C API: |
183 | # | |
14cfc8ce | 184 | # - If the iterator has a _user_can_seek_beginning method, |
6a91742b | 185 | # read it and use that result. |
5a096c63 | 186 | # - Otherwise, the presence or absence of a `_user_seek_beginning` |
f00b8d40 | 187 | # method indicates whether the iterator can seek beginning. |
6a91742b | 188 | if hasattr(self, '_user_can_seek_beginning'): |
14cfc8ce | 189 | can_seek_beginning = self._user_can_seek_beginning() |
f00b8d40 SM |
190 | utils._check_bool(can_seek_beginning) |
191 | return can_seek_beginning | |
192 | else: | |
6a91742b | 193 | return hasattr(self, '_user_seek_beginning') |
f00b8d40 | 194 | |
85906b6b | 195 | def _bt_seek_beginning_from_native(self): |
6a91742b | 196 | self._user_seek_beginning() |
f00b8d40 | 197 | |
c182d7dd | 198 | def _bt_can_seek_ns_from_origin_from_native(self, ns_from_origin): |
c0e46a7c SM |
199 | # Return whether the iterator can seek ns from origin using the |
200 | # user-implemented seek_ns_from_origin method. We mimic the behavior | |
201 | # of the C API: | |
c182d7dd SM |
202 | # |
203 | # - If the iterator has a _user_can_seek_ns_from_origin method, | |
204 | # call it and use its return value. | |
205 | # - Otherwise, if there is a `_user_seek_ns_from_origin` method, | |
206 | # we presume it's possible. | |
c0e46a7c | 207 | |
c182d7dd SM |
208 | if hasattr(self, '_user_can_seek_ns_from_origin'): |
209 | can_seek_ns_from_origin = self._user_can_seek_ns_from_origin(ns_from_origin) | |
210 | utils._check_bool(can_seek_ns_from_origin) | |
211 | return can_seek_ns_from_origin | |
c182d7dd | 212 | else: |
c0e46a7c | 213 | return hasattr(self, '_user_seek_ns_from_origin') |
c182d7dd SM |
214 | |
215 | def _bt_seek_ns_from_origin_from_native(self, ns_from_origin): | |
216 | self._user_seek_ns_from_origin(ns_from_origin) | |
217 | ||
9a2c8b8e | 218 | def _create_message_iterator(self, input_port): |
3fb99a22 | 219 | utils._check_type(input_port, bt2_port._UserComponentInputPort) |
ca02df0a | 220 | |
415d43a1 SM |
221 | if not input_port.is_connected: |
222 | raise ValueError('input port is not connected') | |
223 | ||
75882e97 FD |
224 | ( |
225 | status, | |
226 | msg_iter_ptr, | |
9a2c8b8e | 227 | ) = native_bt.bt2_message_iterator_create_from_message_iterator( |
ca02df0a PP |
228 | self._bt_ptr, input_port._ptr |
229 | ) | |
e803df70 SM |
230 | utils._handle_func_status(status, 'cannot create message iterator object') |
231 | assert msg_iter_ptr is not None | |
ca02df0a PP |
232 | |
233 | return _UserComponentInputPortMessageIterator(msg_iter_ptr) | |
234 | ||
36d9460d | 235 | def _create_event_message(self, event_class, parent, default_clock_snapshot=None): |
3fb99a22 | 236 | utils._check_type(event_class, bt2_event_class._EventClass) |
26fc5aed PP |
237 | |
238 | if event_class.stream_class.supports_packets: | |
3fb99a22 | 239 | utils._check_type(parent, bt2_packet._Packet) |
26fc5aed | 240 | else: |
3fb99a22 | 241 | utils._check_type(parent, bt2_stream._Stream) |
2ae9f48c SM |
242 | |
243 | if default_clock_snapshot is not None: | |
c6af194f | 244 | if event_class.stream_class.default_clock_class is None: |
cfbd7cf3 FD |
245 | raise ValueError( |
246 | 'event messages in this stream must not have a default clock snapshot' | |
247 | ) | |
c6af194f | 248 | |
2ae9f48c | 249 | utils._check_uint64(default_clock_snapshot) |
26fc5aed PP |
250 | |
251 | if event_class.stream_class.supports_packets: | |
252 | ptr = native_bt.message_event_create_with_packet_and_default_clock_snapshot( | |
cfbd7cf3 FD |
253 | self._bt_ptr, event_class._ptr, parent._ptr, default_clock_snapshot |
254 | ) | |
26fc5aed PP |
255 | else: |
256 | ptr = native_bt.message_event_create_with_default_clock_snapshot( | |
cfbd7cf3 FD |
257 | self._bt_ptr, event_class._ptr, parent._ptr, default_clock_snapshot |
258 | ) | |
2ae9f48c | 259 | else: |
c6af194f | 260 | if event_class.stream_class.default_clock_class is not None: |
cfbd7cf3 FD |
261 | raise ValueError( |
262 | 'event messages in this stream must have a default clock snapshot' | |
263 | ) | |
c6af194f | 264 | |
26fc5aed PP |
265 | if event_class.stream_class.supports_packets: |
266 | ptr = native_bt.message_event_create_with_packet( | |
cfbd7cf3 FD |
267 | self._bt_ptr, event_class._ptr, parent._ptr |
268 | ) | |
26fc5aed PP |
269 | else: |
270 | ptr = native_bt.message_event_create( | |
cfbd7cf3 FD |
271 | self._bt_ptr, event_class._ptr, parent._ptr |
272 | ) | |
2ae9f48c SM |
273 | |
274 | if ptr is None: | |
694c792b | 275 | raise bt2._MemoryError('cannot create event message object') |
2ae9f48c | 276 | |
3fb99a22 | 277 | return bt2_message._EventMessage(ptr) |
2ae9f48c | 278 | |
9ec609ec | 279 | def _create_message_iterator_inactivity_message(self, clock_class, clock_snapshot): |
3fb99a22 | 280 | utils._check_type(clock_class, bt2_clock_class._ClockClass) |
9ec609ec | 281 | ptr = native_bt.message_message_iterator_inactivity_create( |
cfbd7cf3 FD |
282 | self._bt_ptr, clock_class._ptr, clock_snapshot |
283 | ) | |
9ec609ec SM |
284 | |
285 | if ptr is None: | |
694c792b | 286 | raise bt2._MemoryError('cannot create inactivity message object') |
9ec609ec | 287 | |
3fb99a22 | 288 | return bt2_message._MessageIteratorInactivityMessage(ptr) |
9ec609ec | 289 | |
188edac1 | 290 | def _create_stream_beginning_message(self, stream, default_clock_snapshot=None): |
3fb99a22 | 291 | utils._check_type(stream, bt2_stream._Stream) |
2ae9f48c | 292 | |
85906b6b | 293 | ptr = native_bt.message_stream_beginning_create(self._bt_ptr, stream._ptr) |
2ae9f48c | 294 | if ptr is None: |
694c792b | 295 | raise bt2._MemoryError('cannot create stream beginning message object') |
2ae9f48c | 296 | |
3fb99a22 | 297 | msg = bt2_message._StreamBeginningMessage(ptr) |
9ec609ec | 298 | |
188edac1 SM |
299 | if default_clock_snapshot is not None: |
300 | msg._default_clock_snapshot = default_clock_snapshot | |
9ec609ec | 301 | |
9ec609ec SM |
302 | return msg |
303 | ||
188edac1 | 304 | def _create_stream_end_message(self, stream, default_clock_snapshot=None): |
3fb99a22 | 305 | utils._check_type(stream, bt2_stream._Stream) |
5f25509b | 306 | |
85906b6b | 307 | ptr = native_bt.message_stream_end_create(self._bt_ptr, stream._ptr) |
5f25509b | 308 | if ptr is None: |
694c792b | 309 | raise bt2._MemoryError('cannot create stream end message object') |
5f25509b | 310 | |
3fb99a22 | 311 | msg = bt2_message._StreamEndMessage(ptr) |
188edac1 SM |
312 | |
313 | if default_clock_snapshot is not None: | |
314 | msg._default_clock_snapshot = default_clock_snapshot | |
315 | ||
316 | return msg | |
5f25509b | 317 | |
2ae9f48c | 318 | def _create_packet_beginning_message(self, packet, default_clock_snapshot=None): |
3fb99a22 | 319 | utils._check_type(packet, bt2_packet._Packet) |
2ae9f48c | 320 | |
e8ac1aae | 321 | if packet.stream.cls.packets_have_beginning_default_clock_snapshot: |
2ae9f48c | 322 | if default_clock_snapshot is None: |
cfbd7cf3 FD |
323 | raise ValueError( |
324 | "packet beginning messages in this stream must have a default clock snapshot" | |
325 | ) | |
2ae9f48c SM |
326 | |
327 | utils._check_uint64(default_clock_snapshot) | |
328 | ptr = native_bt.message_packet_beginning_create_with_default_clock_snapshot( | |
cfbd7cf3 FD |
329 | self._bt_ptr, packet._ptr, default_clock_snapshot |
330 | ) | |
2ae9f48c SM |
331 | else: |
332 | if default_clock_snapshot is not None: | |
cfbd7cf3 FD |
333 | raise ValueError( |
334 | "packet beginning messages in this stream must not have a default clock snapshot" | |
335 | ) | |
2ae9f48c | 336 | |
85906b6b | 337 | ptr = native_bt.message_packet_beginning_create(self._bt_ptr, packet._ptr) |
2ae9f48c SM |
338 | |
339 | if ptr is None: | |
694c792b | 340 | raise bt2._MemoryError('cannot create packet beginning message object') |
2ae9f48c | 341 | |
3fb99a22 | 342 | return bt2_message._PacketBeginningMessage(ptr) |
5f25509b SM |
343 | |
344 | def _create_packet_end_message(self, packet, default_clock_snapshot=None): | |
3fb99a22 | 345 | utils._check_type(packet, bt2_packet._Packet) |
5f25509b | 346 | |
e8ac1aae | 347 | if packet.stream.cls.packets_have_end_default_clock_snapshot: |
9ec609ec | 348 | if default_clock_snapshot is None: |
cfbd7cf3 FD |
349 | raise ValueError( |
350 | "packet end messages in this stream must have a default clock snapshot" | |
351 | ) | |
9ec609ec | 352 | |
5f25509b SM |
353 | utils._check_uint64(default_clock_snapshot) |
354 | ptr = native_bt.message_packet_end_create_with_default_clock_snapshot( | |
cfbd7cf3 FD |
355 | self._bt_ptr, packet._ptr, default_clock_snapshot |
356 | ) | |
5f25509b | 357 | else: |
9ec609ec | 358 | if default_clock_snapshot is not None: |
cfbd7cf3 FD |
359 | raise ValueError( |
360 | "packet end messages in this stream must not have a default clock snapshot" | |
361 | ) | |
9ec609ec | 362 | |
85906b6b | 363 | ptr = native_bt.message_packet_end_create(self._bt_ptr, packet._ptr) |
5f25509b SM |
364 | |
365 | if ptr is None: | |
694c792b | 366 | raise bt2._MemoryError('cannot create packet end message object') |
5f25509b | 367 | |
3fb99a22 | 368 | return bt2_message._PacketEndMessage(ptr) |
9ec609ec | 369 | |
cfbd7cf3 FD |
370 | def _create_discarded_events_message( |
371 | self, stream, count=None, beg_clock_snapshot=None, end_clock_snapshot=None | |
372 | ): | |
3fb99a22 | 373 | utils._check_type(stream, bt2_stream._Stream) |
9ec609ec | 374 | |
e8ac1aae | 375 | if not stream.cls.supports_discarded_events: |
2e90378a PP |
376 | raise ValueError('stream class does not support discarded events') |
377 | ||
e8ac1aae | 378 | if stream.cls.discarded_events_have_default_clock_snapshots: |
2e90378a | 379 | if beg_clock_snapshot is None or end_clock_snapshot is None: |
cfbd7cf3 FD |
380 | raise ValueError( |
381 | 'discarded events have default clock snapshots for this stream class' | |
382 | ) | |
2e90378a | 383 | |
9ec609ec SM |
384 | utils._check_uint64(beg_clock_snapshot) |
385 | utils._check_uint64(end_clock_snapshot) | |
5d9ef4cb SM |
386 | |
387 | if beg_clock_snapshot > end_clock_snapshot: | |
388 | raise ValueError( | |
389 | 'beginning default clock snapshot value ({}) is greater than end default clock snapshot value ({})'.format( | |
390 | beg_clock_snapshot, end_clock_snapshot | |
391 | ) | |
392 | ) | |
393 | ||
9ec609ec | 394 | ptr = native_bt.message_discarded_events_create_with_default_clock_snapshots( |
cfbd7cf3 FD |
395 | self._bt_ptr, stream._ptr, beg_clock_snapshot, end_clock_snapshot |
396 | ) | |
9ec609ec | 397 | else: |
2e90378a | 398 | if beg_clock_snapshot is not None or end_clock_snapshot is not None: |
cfbd7cf3 FD |
399 | raise ValueError( |
400 | 'discarded events have no default clock snapshots for this stream class' | |
401 | ) | |
2e90378a | 402 | |
cfbd7cf3 | 403 | ptr = native_bt.message_discarded_events_create(self._bt_ptr, stream._ptr) |
9ec609ec SM |
404 | |
405 | if ptr is None: | |
694c792b | 406 | raise bt2._MemoryError('cannot discarded events message object') |
9ec609ec | 407 | |
3fb99a22 | 408 | msg = bt2_message._DiscardedEventsMessage(ptr) |
9ec609ec SM |
409 | |
410 | if count is not None: | |
411 | msg._count = count | |
412 | ||
413 | return msg | |
414 | ||
cfbd7cf3 FD |
415 | def _create_discarded_packets_message( |
416 | self, stream, count=None, beg_clock_snapshot=None, end_clock_snapshot=None | |
417 | ): | |
3fb99a22 | 418 | utils._check_type(stream, bt2_stream._Stream) |
9ec609ec | 419 | |
e8ac1aae | 420 | if not stream.cls.supports_discarded_packets: |
2e90378a PP |
421 | raise ValueError('stream class does not support discarded packets') |
422 | ||
e8ac1aae | 423 | if stream.cls.discarded_packets_have_default_clock_snapshots: |
2e90378a | 424 | if beg_clock_snapshot is None or end_clock_snapshot is None: |
cfbd7cf3 FD |
425 | raise ValueError( |
426 | 'discarded packets have default clock snapshots for this stream class' | |
427 | ) | |
2e90378a | 428 | |
9ec609ec SM |
429 | utils._check_uint64(beg_clock_snapshot) |
430 | utils._check_uint64(end_clock_snapshot) | |
5d9ef4cb SM |
431 | |
432 | if beg_clock_snapshot > end_clock_snapshot: | |
433 | raise ValueError( | |
434 | 'beginning default clock snapshot value ({}) is greater than end default clock snapshot value ({})'.format( | |
435 | beg_clock_snapshot, end_clock_snapshot | |
436 | ) | |
437 | ) | |
438 | ||
9ec609ec | 439 | ptr = native_bt.message_discarded_packets_create_with_default_clock_snapshots( |
cfbd7cf3 FD |
440 | self._bt_ptr, stream._ptr, beg_clock_snapshot, end_clock_snapshot |
441 | ) | |
9ec609ec | 442 | else: |
2e90378a | 443 | if beg_clock_snapshot is not None or end_clock_snapshot is not None: |
cfbd7cf3 FD |
444 | raise ValueError( |
445 | 'discarded packets have no default clock snapshots for this stream class' | |
446 | ) | |
2e90378a | 447 | |
cfbd7cf3 | 448 | ptr = native_bt.message_discarded_packets_create(self._bt_ptr, stream._ptr) |
9ec609ec SM |
449 | |
450 | if ptr is None: | |
694c792b | 451 | raise bt2._MemoryError('cannot discarded packets message object') |
9ec609ec | 452 | |
3fb99a22 | 453 | msg = bt2_message._DiscardedPacketsMessage(ptr) |
9ec609ec SM |
454 | |
455 | if count is not None: | |
456 | msg._count = count | |
457 | ||
458 | return msg |