projects / babeltrace.git / blame
| Commit | Line | Data |
|---|---|---|
| 188edac1 SM |
1 | import bt2 |
| 2 | ||
| 3 | ||
| 4 | class TheIteratorOfAllEvil(bt2._UserMessageIterator): | |
| 5 | def __init__(self, port): | |
| 6 | tc, sc, ec1, ec2, params = port.user_data | |
| 7 | trace = tc() | |
| 8 | stream = trace.create_stream(sc) | |
| 9 | ||
| 10 | # Test with and without packets, once packets are optional. | |
| 11 | packet = stream.create_packet() | |
| 12 | ||
| 13 | if params['with-stream-msgs-cs']: | |
| 14 | sb_msg = self._create_stream_beginning_message(stream, 100) | |
| 15 | else: | |
| 16 | sb_msg = self._create_stream_beginning_message(stream) | |
| 17 | ||
| 18 | ev_msg1 = self._create_event_message(ec1, packet, 300) | |
| 19 | ev_msg2 = self._create_event_message(ec2, packet, 400) | |
| 20 | ||
| 21 | if params['with-stream-msgs-cs']: | |
| 22 | se_msg = self._create_stream_end_message(stream, 1000) | |
| 23 | else: | |
| 24 | se_msg = self._create_stream_end_message(stream) | |
| 25 | ||
| 26 | self._msgs = [ | |
| 27 | sb_msg, | |
| 28 | self._create_packet_beginning_message(packet, 200), | |
| 29 | ev_msg1, | |
| 30 | ev_msg2, | |
| 31 | self._create_packet_end_message(packet, 900), | |
| 32 | se_msg, | |
| 33 | ] | |
| 34 | self._at = 0 | |
| 35 | ||
| 6a91742b | 36 | def _user_seek_beginning(self): |
| 188edac1 SM |
37 | self._at = 0 |
| 38 | ||
| 39 | def __next__(self): | |
| 40 | if self._at < len(self._msgs): | |
| 41 | msg = self._msgs[self._at] | |
| 42 | self._at += 1 | |
| 43 | return msg | |
| 44 | else: | |
| 45 | raise StopIteration | |
| 46 | ||
| cfbd7cf3 | 47 | |
| 188edac1 | 48 | @bt2.plugin_component_class |
| cfbd7cf3 FD |
49 | class TheSourceOfAllEvil( |
| 50 | bt2._UserSourceComponent, message_iterator_class=TheIteratorOfAllEvil | |
| 51 | ): | |
| 66964f3f | 52 | def __init__(self, params, obj): |
| 188edac1 SM |
53 | tc = self._create_trace_class() |
| 54 | ||
| 55 | # Use a clock class with an offset, so we can test with --begin or --end | |
| 56 | # smaller than this offset (in other words, a time that it's not | |
| 57 | # possible to represent with this clock class). | |
| 58 | cc = self._create_clock_class(frequency=1, offset=bt2.ClockClassOffset(10000)) | |
| cfbd7cf3 FD |
59 | sc = tc.create_stream_class( |
| 60 | default_clock_class=cc, | |
| 61 | supports_packets=True, | |
| 62 | packets_have_beginning_default_clock_snapshot=True, | |
| 63 | packets_have_end_default_clock_snapshot=True, | |
| 64 | ) | |
| 188edac1 SM |
65 | ec1 = sc.create_event_class(name='event 1') |
| 66 | ec2 = sc.create_event_class(name='event 2') | |
| 67 | self._add_output_port('out', (tc, sc, ec1, ec2, params)) | |
| 68 | ||
| 69 | ||
| 70 | bt2.register_plugin(__name__, 'test-trimmer') |