Commit | Line | Data |
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0235b0db | 1 | # SPDX-License-Identifier: MIT |
85dcce24 PP |
2 | # |
3 | # Copyright (c) 2017 Philippe Proulx <pproulx@efficios.com> | |
85dcce24 | 4 | |
e5914347 SM |
5 | from bt2 import native_bt |
6 | from bt2 import utils as bt2_utils | |
85dcce24 | 7 | import bt2 |
3d60267b | 8 | import itertools |
3fb99a22 | 9 | from bt2 import message_iterator as bt2_message_iterator |
3fb99a22 | 10 | from bt2 import port as bt2_port |
c1859f69 | 11 | from bt2 import component as bt2_component |
f3c9a159 SM |
12 | from bt2 import value as bt2_value |
13 | from bt2 import plugin as bt2_plugin | |
85dcce24 | 14 | import datetime |
85dcce24 PP |
15 | from collections import namedtuple |
16 | import numbers | |
17 | ||
18 | ||
3d60267b | 19 | # a pair of component and ComponentSpec |
f5567ea8 | 20 | _ComponentAndSpec = namedtuple("_ComponentAndSpec", ["comp", "spec"]) |
85dcce24 PP |
21 | |
22 | ||
f3c9a159 | 23 | class _BaseComponentSpec: |
c87f23fa SM |
24 | # Base for any component spec that can be passed to |
25 | # TraceCollectionMessageIterator. | |
f3c9a159 SM |
26 | def __init__(self, params, obj, logging_level): |
27 | if logging_level is not None: | |
e5914347 | 28 | bt2_utils._check_log_level(logging_level) |
f3c9a159 SM |
29 | |
30 | self._params = bt2.create_value(params) | |
31 | self._obj = obj | |
32 | self._logging_level = logging_level | |
33 | ||
34 | @property | |
35 | def params(self): | |
36 | return self._params | |
37 | ||
38 | @property | |
39 | def obj(self): | |
40 | return self._obj | |
41 | ||
42 | @property | |
43 | def logging_level(self): | |
44 | return self._logging_level | |
45 | ||
46 | ||
47 | class ComponentSpec(_BaseComponentSpec): | |
c87f23fa | 48 | # A component spec with a specific component class. |
cfbd7cf3 FD |
49 | def __init__( |
50 | self, | |
c87f23fa | 51 | component_class, |
cfbd7cf3 | 52 | params=None, |
66964f3f | 53 | obj=None, |
c87f23fa | 54 | logging_level=bt2.LoggingLevel.NONE, |
cfbd7cf3 | 55 | ): |
f3c9a159 | 56 | if type(params) is str: |
f5567ea8 | 57 | params = {"inputs": [params]} |
f3c9a159 SM |
58 | |
59 | super().__init__(params, obj, logging_level) | |
60 | ||
c87f23fa | 61 | is_cc_object = isinstance( |
615238be FD |
62 | component_class, |
63 | (bt2._SourceComponentClassConst, bt2._FilterComponentClassConst), | |
c87f23fa SM |
64 | ) |
65 | is_user_cc_type = isinstance( | |
66 | component_class, bt2_component._UserComponentType | |
67 | ) and issubclass( | |
68 | component_class, (bt2._UserSourceComponent, bt2._UserFilterComponent) | |
69 | ) | |
f3c9a159 | 70 | |
c87f23fa SM |
71 | if not is_cc_object and not is_user_cc_type: |
72 | raise TypeError( | |
73 | "'{}' is not a source or filter component class".format( | |
74 | component_class.__class__.__name__ | |
75 | ) | |
76 | ) | |
85dcce24 | 77 | |
c87f23fa | 78 | self._component_class = component_class |
85dcce24 PP |
79 | |
80 | @property | |
c87f23fa SM |
81 | def component_class(self): |
82 | return self._component_class | |
83 | ||
84 | @classmethod | |
85 | def from_named_plugin_and_component_class( | |
86 | cls, | |
87 | plugin_name, | |
88 | component_class_name, | |
89 | params=None, | |
90 | obj=None, | |
91 | logging_level=bt2.LoggingLevel.NONE, | |
92 | ): | |
93 | plugin = bt2.find_plugin(plugin_name) | |
94 | ||
95 | if plugin is None: | |
f5567ea8 | 96 | raise ValueError("no such plugin: {}".format(plugin_name)) |
c87f23fa SM |
97 | |
98 | if component_class_name in plugin.source_component_classes: | |
99 | comp_class = plugin.source_component_classes[component_class_name] | |
100 | elif component_class_name in plugin.filter_component_classes: | |
101 | comp_class = plugin.filter_component_classes[component_class_name] | |
102 | else: | |
103 | raise KeyError( | |
f5567ea8 | 104 | "source or filter component class `{}` not found in plugin `{}`".format( |
c87f23fa SM |
105 | component_class_name, plugin_name |
106 | ) | |
107 | ) | |
108 | ||
109 | return cls(comp_class, params, obj, logging_level) | |
85dcce24 | 110 | |
e874da19 | 111 | |
f3c9a159 | 112 | class AutoSourceComponentSpec(_BaseComponentSpec): |
c87f23fa | 113 | # A component spec that does automatic source discovery. |
f3c9a159 SM |
114 | _no_obj = object() |
115 | ||
116 | def __init__(self, input, params=None, obj=_no_obj, logging_level=None): | |
117 | super().__init__(params, obj, logging_level) | |
118 | self._input = input | |
85dcce24 | 119 | |
66964f3f | 120 | @property |
f3c9a159 SM |
121 | def input(self): |
122 | return self._input | |
123 | ||
124 | ||
125 | def _auto_discover_source_component_specs(auto_source_comp_specs, plugin_set): | |
126 | # Transform a list of `AutoSourceComponentSpec` in a list of `ComponentSpec` | |
127 | # using the automatic source discovery mechanism. | |
128 | inputs = bt2.ArrayValue([spec.input for spec in auto_source_comp_specs]) | |
129 | ||
130 | if plugin_set is None: | |
131 | plugin_set = bt2.find_plugins() | |
132 | else: | |
e5914347 | 133 | bt2_utils._check_type(plugin_set, bt2_plugin._PluginSet) |
f3c9a159 SM |
134 | |
135 | res_ptr = native_bt.bt2_auto_discover_source_components( | |
136 | inputs._ptr, plugin_set._ptr | |
137 | ) | |
138 | ||
139 | if res_ptr is None: | |
f5567ea8 | 140 | raise bt2._MemoryError("cannot auto discover source components") |
f3c9a159 SM |
141 | |
142 | res = bt2_value._create_from_ptr(res_ptr) | |
143 | ||
f20175d1 | 144 | assert type(res) is bt2.MapValue |
f5567ea8 | 145 | assert "status" in res |
f3c9a159 | 146 | |
f5567ea8 | 147 | status = res["status"] |
e5914347 | 148 | bt2_utils._handle_func_status(status, "cannot auto-discover source components") |
f3c9a159 SM |
149 | |
150 | comp_specs = [] | |
f5567ea8 | 151 | comp_specs_raw = res["results"] |
f20175d1 | 152 | assert type(comp_specs_raw) is bt2.ArrayValue |
f3c9a159 | 153 | |
39b351f9 SM |
154 | used_input_indices = set() |
155 | ||
f3c9a159 | 156 | for comp_spec_raw in comp_specs_raw: |
f20175d1 | 157 | assert type(comp_spec_raw) is bt2.ArrayValue |
f3c9a159 SM |
158 | assert len(comp_spec_raw) == 4 |
159 | ||
160 | plugin_name = comp_spec_raw[0] | |
f20175d1 | 161 | assert type(plugin_name) is bt2.StringValue |
f3c9a159 SM |
162 | plugin_name = str(plugin_name) |
163 | ||
164 | class_name = comp_spec_raw[1] | |
f20175d1 | 165 | assert type(class_name) is bt2.StringValue |
f3c9a159 SM |
166 | class_name = str(class_name) |
167 | ||
168 | comp_inputs = comp_spec_raw[2] | |
f20175d1 | 169 | assert type(comp_inputs) is bt2.ArrayValue |
f3c9a159 SM |
170 | |
171 | comp_orig_indices = comp_spec_raw[3] | |
172 | assert type(comp_orig_indices) | |
173 | ||
174 | params = bt2.MapValue() | |
175 | logging_level = bt2.LoggingLevel.NONE | |
176 | obj = None | |
177 | ||
178 | # Compute `params` for this component by piling up params given to all | |
179 | # AutoSourceComponentSpec objects that contributed in the instantiation | |
180 | # of this component. | |
181 | # | |
182 | # The effective log level for a component is the last one specified | |
183 | # across the AutoSourceComponentSpec that contributed in its | |
184 | # instantiation. | |
185 | for idx in comp_orig_indices: | |
186 | orig_spec = auto_source_comp_specs[idx] | |
187 | ||
188 | if orig_spec.params is not None: | |
189 | params.update(orig_spec.params) | |
190 | ||
191 | if orig_spec.logging_level is not None: | |
192 | logging_level = orig_spec.logging_level | |
193 | ||
194 | if orig_spec.obj is not AutoSourceComponentSpec._no_obj: | |
195 | obj = orig_spec.obj | |
196 | ||
39b351f9 SM |
197 | used_input_indices.add(int(idx)) |
198 | ||
f5567ea8 | 199 | params["inputs"] = comp_inputs |
f3c9a159 SM |
200 | |
201 | comp_specs.append( | |
c87f23fa | 202 | ComponentSpec.from_named_plugin_and_component_class( |
f3c9a159 SM |
203 | plugin_name, |
204 | class_name, | |
205 | params=params, | |
206 | obj=obj, | |
207 | logging_level=logging_level, | |
208 | ) | |
209 | ) | |
210 | ||
39b351f9 SM |
211 | if len(used_input_indices) != len(inputs): |
212 | unused_input_indices = set(range(len(inputs))) - used_input_indices | |
213 | unused_input_indices = sorted(unused_input_indices) | |
214 | unused_inputs = [str(inputs[x]) for x in unused_input_indices] | |
215 | ||
216 | msg = ( | |
f5567ea8 FD |
217 | "Some auto source component specs did not produce any component: " |
218 | + ", ".join(unused_inputs) | |
39b351f9 SM |
219 | ) |
220 | raise RuntimeError(msg) | |
221 | ||
f3c9a159 | 222 | return comp_specs |
66964f3f | 223 | |
85dcce24 PP |
224 | |
225 | # datetime.datetime or integral to nanoseconds | |
226 | def _get_ns(obj): | |
227 | if obj is None: | |
228 | return | |
229 | ||
230 | if isinstance(obj, numbers.Real): | |
231 | # consider that it's already in seconds | |
232 | s = obj | |
233 | elif isinstance(obj, datetime.datetime): | |
234 | # s -> ns | |
235 | s = obj.timestamp() | |
236 | else: | |
cfbd7cf3 FD |
237 | raise TypeError( |
238 | '"{}" is not an integral number or a datetime.datetime object'.format(obj) | |
239 | ) | |
85dcce24 PP |
240 | |
241 | return int(s * 1e9) | |
242 | ||
243 | ||
c1859f69 | 244 | class _TraceCollectionMessageIteratorProxySink(bt2_component._UserSinkComponent): |
59225a3e | 245 | def __init__(self, config, params, msg_list): |
c1859f69 PP |
246 | assert type(msg_list) is list |
247 | self._msg_list = msg_list | |
f5567ea8 | 248 | self._add_input_port("in") |
c1859f69 PP |
249 | |
250 | def _user_graph_is_configured(self): | |
f5567ea8 | 251 | self._msg_iter = self._create_message_iterator(self._input_ports["in"]) |
c1859f69 PP |
252 | |
253 | def _user_consume(self): | |
254 | assert self._msg_list[0] is None | |
255 | self._msg_list[0] = next(self._msg_iter) | |
256 | ||
257 | ||
3fb99a22 | 258 | class TraceCollectionMessageIterator(bt2_message_iterator._MessageIterator): |
cfbd7cf3 FD |
259 | def __init__( |
260 | self, | |
261 | source_component_specs, | |
262 | filter_component_specs=None, | |
263 | stream_intersection_mode=False, | |
264 | begin=None, | |
265 | end=None, | |
f3c9a159 | 266 | plugin_set=None, |
cfbd7cf3 | 267 | ): |
e5914347 | 268 | bt2_utils._check_bool(stream_intersection_mode) |
85dcce24 PP |
269 | self._stream_intersection_mode = stream_intersection_mode |
270 | self._begin_ns = _get_ns(begin) | |
271 | self._end_ns = _get_ns(end) | |
c1859f69 | 272 | self._msg_list = [None] |
3d60267b | 273 | |
f3c9a159 SM |
274 | # If a single item is provided, convert to a list. |
275 | if type(source_component_specs) in ( | |
276 | ComponentSpec, | |
277 | AutoSourceComponentSpec, | |
278 | str, | |
279 | ): | |
3d60267b PP |
280 | source_component_specs = [source_component_specs] |
281 | ||
f3c9a159 SM |
282 | # Convert any string to an AutoSourceComponentSpec. |
283 | def str_to_auto(item): | |
284 | if type(item) is str: | |
285 | item = AutoSourceComponentSpec(item) | |
286 | ||
287 | return item | |
288 | ||
289 | source_component_specs = [str_to_auto(s) for s in source_component_specs] | |
290 | ||
3d60267b PP |
291 | if type(filter_component_specs) is ComponentSpec: |
292 | filter_component_specs = [filter_component_specs] | |
293 | elif filter_component_specs is None: | |
294 | filter_component_specs = [] | |
295 | ||
f3c9a159 SM |
296 | self._validate_source_component_specs(source_component_specs) |
297 | self._validate_filter_component_specs(filter_component_specs) | |
298 | ||
299 | # Pass any `ComponentSpec` instance as-is. | |
300 | self._src_comp_specs = [ | |
301 | spec for spec in source_component_specs if type(spec) is ComponentSpec | |
302 | ] | |
303 | ||
304 | # Convert any `AutoSourceComponentSpec` in concrete `ComponentSpec` instances. | |
305 | auto_src_comp_specs = [ | |
306 | spec | |
307 | for spec in source_component_specs | |
308 | if type(spec) is AutoSourceComponentSpec | |
309 | ] | |
310 | self._src_comp_specs += _auto_discover_source_component_specs( | |
311 | auto_src_comp_specs, plugin_set | |
312 | ) | |
313 | ||
3d60267b | 314 | self._flt_comp_specs = filter_component_specs |
85dcce24 PP |
315 | self._next_suffix = 1 |
316 | self._connect_ports = False | |
317 | ||
3d60267b | 318 | # lists of _ComponentAndSpec |
85dcce24 | 319 | self._src_comps_and_specs = [] |
3d60267b | 320 | self._flt_comps_and_specs = [] |
85dcce24 | 321 | |
85dcce24 PP |
322 | self._build_graph() |
323 | ||
30947af0 SM |
324 | def _compute_stream_intersections(self): |
325 | # Pre-compute the trimmer range to use for each port in the graph, when | |
326 | # stream intersection mode is enabled. | |
327 | self._stream_inter_port_to_range = {} | |
328 | ||
329 | for src_comp_and_spec in self._src_comps_and_specs: | |
5f2a1585 | 330 | # Query the port's component for the `babeltrace.trace-infos` |
30947af0 SM |
331 | # object which contains the range for each stream, from which we can |
332 | # compute the intersection of the streams in each trace. | |
333 | query_exec = bt2.QueryExecutor( | |
3f3d89b4 | 334 | src_comp_and_spec.spec.component_class, |
f5567ea8 | 335 | "babeltrace.trace-infos", |
3f3d89b4 | 336 | src_comp_and_spec.spec.params, |
30947af0 SM |
337 | ) |
338 | trace_infos = query_exec.query() | |
339 | ||
340 | for trace_info in trace_infos: | |
341 | begin = max( | |
5f2a1585 | 342 | [ |
f5567ea8 FD |
343 | stream["range-ns"]["begin"] |
344 | for stream in trace_info["stream-infos"] | |
5f2a1585 | 345 | ] |
30947af0 SM |
346 | ) |
347 | end = min( | |
f5567ea8 | 348 | [stream["range-ns"]["end"] for stream in trace_info["stream-infos"]] |
30947af0 SM |
349 | ) |
350 | ||
351 | # Each port associated to this trace will have this computed | |
352 | # range. | |
f5567ea8 | 353 | for stream in trace_info["stream-infos"]: |
30947af0 SM |
354 | # A port name is unique within a component, but not |
355 | # necessarily across all components. Use a component | |
356 | # and port name pair to make it unique across the graph. | |
f5567ea8 | 357 | port_name = str(stream["port-name"]) |
30947af0 SM |
358 | key = (src_comp_and_spec.comp.addr, port_name) |
359 | self._stream_inter_port_to_range[key] = (begin, end) | |
360 | ||
f3c9a159 SM |
361 | def _validate_source_component_specs(self, comp_specs): |
362 | for comp_spec in comp_specs: | |
363 | if ( | |
364 | type(comp_spec) is not ComponentSpec | |
365 | and type(comp_spec) is not AutoSourceComponentSpec | |
366 | ): | |
367 | raise TypeError( | |
368 | '"{}" object is not a ComponentSpec or AutoSourceComponentSpec'.format( | |
369 | type(comp_spec) | |
370 | ) | |
371 | ) | |
372 | ||
373 | def _validate_filter_component_specs(self, comp_specs): | |
3d60267b PP |
374 | for comp_spec in comp_specs: |
375 | if type(comp_spec) is not ComponentSpec: | |
cfbd7cf3 FD |
376 | raise TypeError( |
377 | '"{}" object is not a ComponentSpec'.format(type(comp_spec)) | |
378 | ) | |
85dcce24 PP |
379 | |
380 | def __next__(self): | |
c1859f69 PP |
381 | assert self._msg_list[0] is None |
382 | self._graph.run_once() | |
383 | msg = self._msg_list[0] | |
384 | assert msg is not None | |
385 | self._msg_list[0] = None | |
386 | return msg | |
85dcce24 | 387 | |
907f2b70 | 388 | def _create_stream_intersection_trimmer(self, component, port): |
30947af0 SM |
389 | key = (component.addr, port.name) |
390 | begin, end = self._stream_inter_port_to_range[key] | |
f5567ea8 | 391 | name = "trimmer-{}-{}".format(component.name, port.name) |
85dcce24 PP |
392 | return self._create_trimmer(begin, end, name) |
393 | ||
394 | def _create_muxer(self): | |
f5567ea8 | 395 | plugin = bt2.find_plugin("utils") |
85dcce24 PP |
396 | |
397 | if plugin is None: | |
ce4923b0 | 398 | raise RuntimeError('cannot find "utils" plugin (needed for the muxer)') |
85dcce24 | 399 | |
f5567ea8 | 400 | if "muxer" not in plugin.filter_component_classes: |
ce4923b0 | 401 | raise RuntimeError( |
cfbd7cf3 FD |
402 | 'cannot find "muxer" filter component class in "utils" plugin' |
403 | ) | |
85dcce24 | 404 | |
f5567ea8 FD |
405 | comp_cls = plugin.filter_component_classes["muxer"] |
406 | return self._graph.add_component(comp_cls, "muxer") | |
85dcce24 | 407 | |
907f2b70 | 408 | def _create_trimmer(self, begin_ns, end_ns, name): |
f5567ea8 | 409 | plugin = bt2.find_plugin("utils") |
85dcce24 PP |
410 | |
411 | if plugin is None: | |
ce4923b0 | 412 | raise RuntimeError('cannot find "utils" plugin (needed for the trimmer)') |
85dcce24 | 413 | |
f5567ea8 | 414 | if "trimmer" not in plugin.filter_component_classes: |
ce4923b0 | 415 | raise RuntimeError( |
cfbd7cf3 FD |
416 | 'cannot find "trimmer" filter component class in "utils" plugin' |
417 | ) | |
85dcce24 PP |
418 | |
419 | params = {} | |
420 | ||
907f2b70 SM |
421 | def ns_to_string(ns): |
422 | s_part = ns // 1000000000 | |
423 | ns_part = ns % 1000000000 | |
f5567ea8 | 424 | return "{}.{:09d}".format(s_part, ns_part) |
85dcce24 | 425 | |
907f2b70 | 426 | if begin_ns is not None: |
f5567ea8 | 427 | params["begin"] = ns_to_string(begin_ns) |
907f2b70 SM |
428 | |
429 | if end_ns is not None: | |
f5567ea8 | 430 | params["end"] = ns_to_string(end_ns) |
85dcce24 | 431 | |
f5567ea8 | 432 | comp_cls = plugin.filter_component_classes["trimmer"] |
85dcce24 PP |
433 | return self._graph.add_component(comp_cls, name, params) |
434 | ||
c87f23fa SM |
435 | def _get_unique_comp_name(self, comp_cls): |
436 | name = comp_cls.name | |
cfbd7cf3 FD |
437 | comps_and_specs = itertools.chain( |
438 | self._src_comps_and_specs, self._flt_comps_and_specs | |
439 | ) | |
85dcce24 | 440 | |
3d60267b | 441 | if name in [comp_and_spec.comp.name for comp_and_spec in comps_and_specs]: |
f5567ea8 | 442 | name += "-{}".format(self._next_suffix) |
85dcce24 PP |
443 | self._next_suffix += 1 |
444 | ||
445 | return name | |
446 | ||
c87f23fa SM |
447 | def _create_comp(self, comp_spec): |
448 | comp_cls = comp_spec.component_class | |
449 | name = self._get_unique_comp_name(comp_cls) | |
cfbd7cf3 | 450 | comp = self._graph.add_component( |
66964f3f | 451 | comp_cls, name, comp_spec.params, comp_spec.obj, comp_spec.logging_level |
cfbd7cf3 | 452 | ) |
85dcce24 PP |
453 | return comp |
454 | ||
455 | def _get_free_muxer_input_port(self): | |
456 | for port in self._muxer_comp.input_ports.values(): | |
457 | if not port.is_connected: | |
458 | return port | |
459 | ||
907f2b70 | 460 | def _connect_src_comp_port(self, component, port): |
85dcce24 PP |
461 | # if this trace collection iterator is in stream intersection |
462 | # mode, we need this connection: | |
463 | # | |
464 | # port -> trimmer -> muxer | |
465 | # | |
466 | # otherwise, simply: | |
467 | # | |
468 | # port -> muxer | |
469 | if self._stream_intersection_mode: | |
907f2b70 | 470 | trimmer_comp = self._create_stream_intersection_trimmer(component, port) |
f5567ea8 FD |
471 | self._graph.connect_ports(port, trimmer_comp.input_ports["in"]) |
472 | port_to_muxer = trimmer_comp.output_ports["out"] | |
85dcce24 PP |
473 | else: |
474 | port_to_muxer = port | |
475 | ||
476 | self._graph.connect_ports(port_to_muxer, self._get_free_muxer_input_port()) | |
477 | ||
907f2b70 | 478 | def _graph_port_added(self, component, port): |
85dcce24 PP |
479 | if not self._connect_ports: |
480 | return | |
481 | ||
5813b3a3 | 482 | if type(port) is bt2_port._InputPortConst: |
85dcce24 PP |
483 | return |
484 | ||
907f2b70 | 485 | if component not in [comp.comp for comp in self._src_comps_and_specs]: |
85dcce24 PP |
486 | # do not care about non-source components (muxer, trimmer, etc.) |
487 | return | |
488 | ||
907f2b70 | 489 | self._connect_src_comp_port(component, port) |
85dcce24 | 490 | |
2080bf80 | 491 | def _get_greatest_operative_mip_version(self): |
c87f23fa | 492 | def append_comp_specs_descriptors(descriptors, comp_specs): |
2080bf80 | 493 | for comp_spec in comp_specs: |
2080bf80 | 494 | descriptors.append( |
c87f23fa SM |
495 | bt2.ComponentDescriptor( |
496 | comp_spec.component_class, comp_spec.params, comp_spec.obj | |
497 | ) | |
2080bf80 PP |
498 | ) |
499 | ||
500 | descriptors = [] | |
c87f23fa SM |
501 | append_comp_specs_descriptors(descriptors, self._src_comp_specs) |
502 | append_comp_specs_descriptors(descriptors, self._flt_comp_specs) | |
2080bf80 PP |
503 | |
504 | if self._stream_intersection_mode: | |
505 | # we also need at least one `flt.utils.trimmer` component | |
c87f23fa | 506 | comp_spec = ComponentSpec.from_named_plugin_and_component_class( |
f5567ea8 | 507 | "utils", "trimmer" |
c87f23fa SM |
508 | ) |
509 | append_comp_specs_descriptors(descriptors, [comp_spec]) | |
2080bf80 PP |
510 | |
511 | mip_version = bt2.get_greatest_operative_mip_version(descriptors) | |
512 | ||
513 | if mip_version is None: | |
f5567ea8 | 514 | msg = "failed to find an operative message interchange protocol version (components are not interoperable)" |
2080bf80 PP |
515 | raise RuntimeError(msg) |
516 | ||
517 | return mip_version | |
518 | ||
85dcce24 | 519 | def _build_graph(self): |
2080bf80 | 520 | self._graph = bt2.Graph(self._get_greatest_operative_mip_version()) |
907f2b70 | 521 | self._graph.add_port_added_listener(self._graph_port_added) |
85dcce24 PP |
522 | self._muxer_comp = self._create_muxer() |
523 | ||
524 | if self._begin_ns is not None or self._end_ns is not None: | |
f5567ea8 | 525 | trimmer_comp = self._create_trimmer(self._begin_ns, self._end_ns, "trimmer") |
cfbd7cf3 | 526 | self._graph.connect_ports( |
f5567ea8 | 527 | self._muxer_comp.output_ports["out"], trimmer_comp.input_ports["in"] |
cfbd7cf3 | 528 | ) |
f5567ea8 | 529 | last_flt_out_port = trimmer_comp.output_ports["out"] |
85dcce24 | 530 | else: |
f5567ea8 | 531 | last_flt_out_port = self._muxer_comp.output_ports["out"] |
85dcce24 | 532 | |
3d60267b PP |
533 | # create extra filter components (chained) |
534 | for comp_spec in self._flt_comp_specs: | |
c87f23fa | 535 | comp = self._create_comp(comp_spec) |
3d60267b PP |
536 | self._flt_comps_and_specs.append(_ComponentAndSpec(comp, comp_spec)) |
537 | ||
538 | # connect the extra filter chain | |
539 | for comp_and_spec in self._flt_comps_and_specs: | |
540 | in_port = list(comp_and_spec.comp.input_ports.values())[0] | |
541 | out_port = list(comp_and_spec.comp.output_ports.values())[0] | |
c1859f69 PP |
542 | self._graph.connect_ports(last_flt_out_port, in_port) |
543 | last_flt_out_port = out_port | |
3d60267b | 544 | |
85dcce24 PP |
545 | # Here we create the components, self._graph_port_added() is |
546 | # called when they add ports, but the callback returns early | |
547 | # because self._connect_ports is False. This is because the | |
548 | # self._graph_port_added() could not find the associated source | |
549 | # component specification in self._src_comps_and_specs because | |
550 | # it does not exist yet (it needs the created component to | |
551 | # exist). | |
552 | for comp_spec in self._src_comp_specs: | |
c87f23fa | 553 | comp = self._create_comp(comp_spec) |
3d60267b | 554 | self._src_comps_and_specs.append(_ComponentAndSpec(comp, comp_spec)) |
85dcce24 | 555 | |
30947af0 SM |
556 | if self._stream_intersection_mode: |
557 | self._compute_stream_intersections() | |
558 | ||
85dcce24 PP |
559 | # Now we connect the ports which exist at this point. We allow |
560 | # self._graph_port_added() to automatically connect _new_ ports. | |
561 | self._connect_ports = True | |
562 | ||
563 | for comp_and_spec in self._src_comps_and_specs: | |
564 | # Keep a separate list because comp_and_spec.output_ports | |
565 | # could change during the connection of one of its ports. | |
566 | # Any new port is handled by self._graph_port_added(). | |
567 | out_ports = [port for port in comp_and_spec.comp.output_ports.values()] | |
568 | ||
569 | for out_port in out_ports: | |
907f2b70 | 570 | if out_port.is_connected: |
85dcce24 PP |
571 | continue |
572 | ||
907f2b70 | 573 | self._connect_src_comp_port(comp_and_spec.comp, out_port) |
85dcce24 | 574 | |
c1859f69 PP |
575 | # Add the proxy sink, passing our message list to share consumed |
576 | # messages with this trace collection message iterator. | |
577 | sink = self._graph.add_component( | |
f5567ea8 | 578 | _TraceCollectionMessageIteratorProxySink, "proxy-sink", obj=self._msg_list |
c1859f69 | 579 | ) |
f5567ea8 | 580 | sink_in_port = sink.input_ports["in"] |
c1859f69 PP |
581 | |
582 | # connect last filter to proxy sink | |
583 | self._graph.connect_ports(last_flt_out_port, sink_in_port) |