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0235b0db MJ |
1 | # SPDX-License-Identifier: GPL-2.0-only |
2 | # | |
3 | # Copyright (C) 2019 EfficiOS Inc. | |
4 | # | |
5 | ||
188edac1 SM |
6 | import bt2 |
7 | ||
8 | ||
9 | class TheIteratorOfAllEvil(bt2._UserMessageIterator): | |
8d8b141d | 10 | def __init__(self, config, port): |
188edac1 SM |
11 | tc, sc, ec1, ec2, params = port.user_data |
12 | trace = tc() | |
13 | stream = trace.create_stream(sc) | |
14 | ||
f5567ea8 | 15 | if params["with-packet-msgs"]: |
e90ed87f | 16 | packet = stream.create_packet() |
188edac1 | 17 | |
f5567ea8 | 18 | if params["with-stream-msgs-cs"]: |
188edac1 SM |
19 | sb_msg = self._create_stream_beginning_message(stream, 100) |
20 | else: | |
21 | sb_msg = self._create_stream_beginning_message(stream) | |
22 | ||
f5567ea8 | 23 | parent = packet if params["with-packet-msgs"] else stream |
e90ed87f SM |
24 | |
25 | ev_msg1 = self._create_event_message(ec1, parent, 300) | |
26 | ev_msg2 = self._create_event_message(ec2, parent, 400) | |
188edac1 | 27 | |
f5567ea8 | 28 | if params["with-stream-msgs-cs"]: |
188edac1 SM |
29 | se_msg = self._create_stream_end_message(stream, 1000) |
30 | else: | |
31 | se_msg = self._create_stream_end_message(stream) | |
32 | ||
e90ed87f SM |
33 | self._msgs = [] |
34 | ||
35 | self._msgs.append(sb_msg) | |
36 | ||
f5567ea8 | 37 | if params["with-packet-msgs"]: |
e90ed87f SM |
38 | self._msgs.append(self._create_packet_beginning_message(packet, 200)) |
39 | ||
40 | self._msgs.append(ev_msg1) | |
41 | self._msgs.append(ev_msg2) | |
42 | ||
f5567ea8 | 43 | if params["with-packet-msgs"]: |
e90ed87f SM |
44 | self._msgs.append(self._create_packet_end_message(packet, 900)) |
45 | ||
46 | self._msgs.append(se_msg) | |
47 | ||
188edac1 | 48 | self._at = 0 |
c0e46a7c | 49 | config.can_seek_forward = True |
188edac1 | 50 | |
6a91742b | 51 | def _user_seek_beginning(self): |
188edac1 SM |
52 | self._at = 0 |
53 | ||
54 | def __next__(self): | |
55 | if self._at < len(self._msgs): | |
56 | msg = self._msgs[self._at] | |
57 | self._at += 1 | |
58 | return msg | |
59 | else: | |
60 | raise StopIteration | |
61 | ||
cfbd7cf3 | 62 | |
188edac1 | 63 | @bt2.plugin_component_class |
cfbd7cf3 FD |
64 | class TheSourceOfAllEvil( |
65 | bt2._UserSourceComponent, message_iterator_class=TheIteratorOfAllEvil | |
66 | ): | |
59225a3e | 67 | def __init__(self, config, params, obj): |
188edac1 SM |
68 | tc = self._create_trace_class() |
69 | ||
f5567ea8 | 70 | with_packets = bool(params["with-packet-msgs"]) |
e90ed87f | 71 | |
188edac1 SM |
72 | # Use a clock class with an offset, so we can test with --begin or --end |
73 | # smaller than this offset (in other words, a time that it's not | |
74 | # possible to represent with this clock class). | |
75 | cc = self._create_clock_class(frequency=1, offset=bt2.ClockClassOffset(10000)) | |
cfbd7cf3 FD |
76 | sc = tc.create_stream_class( |
77 | default_clock_class=cc, | |
e90ed87f SM |
78 | supports_packets=with_packets, |
79 | packets_have_beginning_default_clock_snapshot=with_packets, | |
80 | packets_have_end_default_clock_snapshot=with_packets, | |
cfbd7cf3 | 81 | ) |
f5567ea8 FD |
82 | ec1 = sc.create_event_class(name="event 1") |
83 | ec2 = sc.create_event_class(name="event 2") | |
84 | self._add_output_port("out", (tc, sc, ec1, ec2, params)) | |
188edac1 SM |
85 | |
86 | ||
f5567ea8 | 87 | bt2.register_plugin(__name__, "test-trimmer") |