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1 | import bt2 |
2 | import os | |
3 | ||
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4 | # This file defines source component classes to help verify the parameters an |
5 | # log levels passed to components. Each component creates one stream, with a | |
6 | # name derived from either: | |
1b2b6649 | 7 | # |
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8 | # - the received params that start with `test-` |
9 | # - the received log level | |
10 | # | |
11 | # The `what` parameter determines what is used. | |
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12 | |
13 | ||
14 | class TestIter(bt2._UserMessageIterator): | |
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15 | def __init__(self, output_port): |
16 | params = output_port.user_data['params'] | |
1ead9076 | 17 | |
dc807017 | 18 | comp_cls_name = self._component.__class__.__name__ |
1ead9076 | 19 | |
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20 | if params['what'] == 'test-params': |
21 | items = sorted([str(x) for x in params.items() if x[0].startswith('test-')]) | |
22 | stream_name = '{}: {}'.format(comp_cls_name, ', '.join(items)) | |
23 | elif params['what'] == 'log-level': | |
24 | log_level = self._component.logging_level | |
25 | stream_name = '{}: {}'.format(comp_cls_name, log_level) | |
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26 | else: |
27 | assert False | |
28 | ||
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29 | sc = output_port.user_data['sc'] |
30 | tc = sc.trace_class | |
31 | t = tc() | |
32 | s = t.create_stream(sc, name=stream_name) | |
33 | ||
34 | self._msgs = [ | |
35 | self._create_stream_beginning_message(s), | |
36 | self._create_stream_end_message(s), | |
37 | ] | |
38 | ||
39 | def __next__(self): | |
40 | if len(self._msgs) == 0: | |
41 | raise StopIteration | |
42 | ||
43 | return self._msgs.pop(0) | |
44 | ||
45 | ||
46 | class Base: | |
47 | def __init__(self, params): | |
48 | tc = self._create_trace_class() | |
49 | sc = tc.create_stream_class() | |
50 | ||
51 | self._add_output_port('out', {'params': params, 'sc': sc}) | |
52 | ||
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53 | |
54 | @bt2.plugin_component_class | |
55 | class TestSourceA(Base, bt2._UserSourceComponent, message_iterator_class=TestIter): | |
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56 | def __init__(self, params, obj): |
57 | super().__init__(params) | |
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58 | |
59 | @staticmethod | |
7c14d641 | 60 | def _user_query(priv_query_exec, obj, params, method_obj): |
1ead9076 SM |
61 | # Match files starting with 'aaa'. |
62 | ||
63 | if obj == 'babeltrace.support-info': | |
64 | if params['type'] != 'file': | |
65 | return 0 | |
66 | ||
67 | name = os.path.basename(str(params['input'])) | |
68 | ||
69 | if name.startswith('aaa'): | |
70 | return {'weight': 1, 'group': 'aaa'} | |
71 | else: | |
72 | return 0 | |
73 | else: | |
74 | raise bt2.UnknownObject | |
75 | ||
76 | ||
77 | @bt2.plugin_component_class | |
78 | class TestSourceB(Base, bt2._UserSourceComponent, message_iterator_class=TestIter): | |
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79 | def __init__(self, params, obj): |
80 | super().__init__(params) | |
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81 | |
82 | @staticmethod | |
7c14d641 | 83 | def _user_query(priv_query_exec, obj, params, method_obj): |
1ead9076 SM |
84 | # Match files starting with 'bbb'. |
85 | ||
86 | if obj == 'babeltrace.support-info': | |
87 | if params['type'] != 'file': | |
88 | return 0 | |
89 | ||
90 | name = os.path.basename(str(params['input'])) | |
91 | ||
92 | if name.startswith('bbb'): | |
93 | return {'weight': 1, 'group': 'bbb'} | |
94 | else: | |
95 | return 0 | |
96 | else: | |
97 | raise bt2.UnknownObject | |
98 | ||
99 | ||
100 | bt2.register_plugin(module_name=__name__, name="test") |