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484a3024 SM |
1 | /* |
2 | * SPDX-License-Identifier: GPL-2.0-only | |
3 | * | |
4 | * Copyright (C) 2020-2023 EfficiOS, inc. | |
5 | */ | |
6 | ||
7 | #include <utility> | |
8 | ||
484a3024 SM |
9 | #include "common/assert.h" |
10 | ||
c802cacb SM |
11 | #include "run-in.hpp" |
12 | ||
cc610c52 PP |
13 | namespace { |
14 | ||
484a3024 SM |
15 | struct RunInData final |
16 | { | |
17 | RunInCompClsQueryFunc compClsCtxFunc; | |
18 | RunInCompClsInitFunc compCtxFunc; | |
19 | RunInMsgIterClsInitFunc msgIterCtxFunc; | |
20 | }; | |
21 | ||
cc610c52 | 22 | const RunInData& runInDataFromMethodData(void * const methodData) |
484a3024 SM |
23 | { |
24 | return *static_cast<const RunInData *>(methodData); | |
25 | } | |
26 | ||
cc610c52 PP |
27 | bt_component_class_initialize_method_status compClsInit(bt_self_component_source * const selfComp, |
28 | bt_self_component_source_configuration *, | |
29 | const bt_value *, | |
30 | void * const initMethodData) | |
484a3024 SM |
31 | { |
32 | const auto status = | |
33 | bt_self_component_source_add_output_port(selfComp, "out", initMethodData, nullptr); | |
34 | ||
35 | BT_ASSERT(status == BT_SELF_COMPONENT_ADD_PORT_STATUS_OK); | |
36 | ||
37 | auto& data = runInDataFromMethodData(initMethodData); | |
38 | ||
39 | if (data.compCtxFunc) { | |
40 | data.compCtxFunc(bt_self_component_source_as_self_component(selfComp)); | |
41 | } | |
42 | ||
43 | return BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK; | |
44 | } | |
45 | ||
cc610c52 | 46 | bt_component_class_query_method_status |
484a3024 SM |
47 | compClsQuery(bt_self_component_class_source * const selfCompCls, bt_private_query_executor *, |
48 | const char *, const bt_value *, void * const methodData, | |
49 | const bt_value ** const result) | |
50 | { | |
51 | auto& data = runInDataFromMethodData(methodData); | |
52 | ||
53 | if (data.compClsCtxFunc) { | |
54 | data.compClsCtxFunc(bt_self_component_class_source_as_self_component_class(selfCompCls)); | |
55 | } | |
56 | ||
57 | *result = bt_value_null; | |
58 | return BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_OK; | |
59 | } | |
60 | ||
cc610c52 | 61 | bt_message_iterator_class_initialize_method_status |
484a3024 SM |
62 | msgIterClsInit(bt_self_message_iterator * const selfMsgIter, |
63 | bt_self_message_iterator_configuration *, bt_self_component_port_output * const port) | |
64 | { | |
65 | auto& data = runInDataFromMethodData(bt_self_component_port_get_data( | |
66 | bt_self_component_port_output_as_self_component_port(port))); | |
67 | ||
68 | if (data.msgIterCtxFunc) { | |
69 | data.msgIterCtxFunc(selfMsgIter); | |
70 | } | |
71 | ||
72 | return BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_OK; | |
73 | } | |
74 | ||
cc610c52 | 75 | bt_message_iterator_class_next_method_status |
484a3024 SM |
76 | msgIterClsNext(bt_self_message_iterator *, bt_message_array_const, uint64_t, uint64_t *) |
77 | { | |
78 | return BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_END; | |
79 | } | |
80 | ||
08b4db41 SM |
81 | struct DummySinkData |
82 | { | |
83 | bt_message_iterator *msgIter; | |
84 | }; | |
85 | ||
cc610c52 PP |
86 | bt_component_class_initialize_method_status dummySinkInit(bt_self_component_sink * const self, |
87 | bt_self_component_sink_configuration *, | |
88 | const bt_value *, | |
89 | void * const initMethodData) | |
08b4db41 SM |
90 | { |
91 | const auto status = bt_self_component_sink_add_input_port(self, "in", NULL, nullptr); | |
cc610c52 | 92 | |
08b4db41 SM |
93 | BT_ASSERT(status == BT_SELF_COMPONENT_ADD_PORT_STATUS_OK); |
94 | bt_self_component_set_data(bt_self_component_sink_as_self_component(self), initMethodData); | |
95 | return BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK; | |
96 | } | |
97 | ||
cc610c52 | 98 | DummySinkData& dummySinkDataFromSelfCompSink(bt_self_component_sink * const self) |
08b4db41 SM |
99 | { |
100 | return *static_cast<DummySinkData *>( | |
101 | bt_self_component_get_data(bt_self_component_sink_as_self_component(self))); | |
102 | } | |
103 | ||
cc610c52 | 104 | bt_component_class_sink_graph_is_configured_method_status |
0ab97251 | 105 | dummySinkGraphIsConfigured(bt_self_component_sink * const self) |
08b4db41 | 106 | { |
08b4db41 | 107 | const auto port = bt_self_component_sink_borrow_input_port_by_name(self, "in"); |
cc610c52 | 108 | |
08b4db41 | 109 | BT_ASSERT(port); |
cc610c52 PP |
110 | |
111 | const auto status = bt_message_iterator_create_from_sink_component( | |
112 | self, port, &dummySinkDataFromSelfCompSink(self).msgIter); | |
113 | ||
08b4db41 SM |
114 | BT_ASSERT(status == BT_MESSAGE_ITERATOR_CREATE_FROM_SINK_COMPONENT_STATUS_OK); |
115 | return BT_COMPONENT_CLASS_SINK_GRAPH_IS_CONFIGURED_METHOD_STATUS_OK; | |
116 | } | |
117 | ||
cc610c52 | 118 | bt_component_class_sink_consume_method_status dummySinkConsume(bt_self_component_sink * const self) |
08b4db41 | 119 | { |
08b4db41 SM |
120 | bt_message_array_const msgs; |
121 | uint64_t msgCount; | |
cc610c52 PP |
122 | const auto status = |
123 | bt_message_iterator_next(dummySinkDataFromSelfCompSink(self).msgIter, &msgs, &msgCount); | |
124 | ||
08b4db41 SM |
125 | BT_ASSERT(status == BT_MESSAGE_ITERATOR_NEXT_STATUS_END); |
126 | return BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_END; | |
127 | } | |
128 | ||
cc610c52 PP |
129 | } /* namespace */ |
130 | ||
484a3024 SM |
131 | void runIn(RunInCompClsQueryFunc compClsCtxFunc, RunInCompClsInitFunc compCtxFunc, |
132 | RunInMsgIterClsInitFunc msgIterCtxFunc) | |
133 | { | |
134 | RunInData data {std::move(compClsCtxFunc), std::move(compCtxFunc), std::move(msgIterCtxFunc)}; | |
135 | ||
136 | /* Create and configure custom source component class */ | |
137 | const auto msgIterCls = bt_message_iterator_class_create(msgIterClsNext); | |
138 | ||
139 | BT_ASSERT(msgIterCls); | |
140 | ||
141 | { | |
142 | const auto status = | |
143 | bt_message_iterator_class_set_initialize_method(msgIterCls, msgIterClsInit); | |
144 | ||
145 | BT_ASSERT(status == BT_MESSAGE_ITERATOR_CLASS_SET_METHOD_STATUS_OK); | |
146 | } | |
147 | ||
148 | const auto srcCompCls = bt_component_class_source_create("yo", msgIterCls); | |
149 | ||
150 | BT_ASSERT(srcCompCls); | |
151 | ||
152 | { | |
153 | const auto status = | |
154 | bt_component_class_source_set_initialize_method(srcCompCls, compClsInit); | |
155 | ||
156 | BT_ASSERT(status == BT_COMPONENT_CLASS_SET_METHOD_STATUS_OK); | |
157 | } | |
158 | ||
159 | { | |
160 | const auto status = bt_component_class_source_set_query_method(srcCompCls, compClsQuery); | |
161 | ||
162 | BT_ASSERT(status == BT_COMPONENT_CLASS_SET_METHOD_STATUS_OK); | |
163 | } | |
164 | ||
165 | /* Execute a query (executes `compClsCtxFunc`) */ | |
166 | { | |
167 | const auto queryExec = bt_query_executor_create_with_method_data( | |
168 | bt_component_class_source_as_component_class(srcCompCls), "", nullptr, &data); | |
169 | ||
170 | BT_ASSERT(queryExec); | |
171 | ||
172 | const bt_value *queryRes; | |
173 | const auto status = bt_query_executor_query(queryExec, &queryRes); | |
174 | ||
175 | BT_ASSERT(status == BT_QUERY_EXECUTOR_QUERY_STATUS_OK); | |
484a3024 SM |
176 | bt_value_put_ref(queryRes); |
177 | bt_query_executor_put_ref(queryExec); | |
178 | } | |
179 | ||
08b4db41 SM |
180 | /* Create a dummy sink component */ |
181 | const auto sinkCompCls = bt_component_class_sink_create("dummy", dummySinkConsume); | |
cc610c52 | 182 | |
08b4db41 SM |
183 | BT_ASSERT(sinkCompCls); |
184 | ||
185 | { | |
186 | const auto status = | |
187 | bt_component_class_sink_set_initialize_method(sinkCompCls, dummySinkInit); | |
cc610c52 | 188 | |
08b4db41 SM |
189 | BT_ASSERT(status == BT_COMPONENT_CLASS_SET_METHOD_STATUS_OK); |
190 | } | |
191 | ||
192 | { | |
193 | const auto status = bt_component_class_sink_set_graph_is_configured_method( | |
194 | sinkCompCls, dummySinkGraphIsConfigured); | |
cc610c52 | 195 | |
08b4db41 SM |
196 | BT_ASSERT(status == BT_COMPONENT_CLASS_SET_METHOD_STATUS_OK); |
197 | } | |
198 | ||
484a3024 SM |
199 | /* Create graph */ |
200 | const auto graph = bt_graph_create(0); | |
201 | ||
202 | BT_ASSERT(graph); | |
203 | ||
204 | /* Add custom source component (executes `compCtxFunc`) */ | |
205 | const bt_component_source *srcComp; | |
206 | ||
207 | { | |
208 | const auto status = bt_graph_add_source_component_with_initialize_method_data( | |
08b4db41 | 209 | graph, srcCompCls, "the-source", NULL, &data, BT_LOGGING_LEVEL_NONE, &srcComp); |
484a3024 SM |
210 | |
211 | BT_ASSERT(status == BT_GRAPH_ADD_COMPONENT_STATUS_OK); | |
212 | } | |
213 | ||
08b4db41 | 214 | /* Add dummy sink component */ |
484a3024 | 215 | const bt_component_sink *sinkComp; |
08b4db41 | 216 | DummySinkData dummySinkData; |
484a3024 SM |
217 | |
218 | { | |
08b4db41 SM |
219 | const auto status = bt_graph_add_sink_component_with_initialize_method_data( |
220 | graph, sinkCompCls, "the-sink", NULL, &dummySinkData, BT_LOGGING_LEVEL_NONE, &sinkComp); | |
cc610c52 | 221 | |
484a3024 SM |
222 | BT_ASSERT(status == BT_GRAPH_ADD_COMPONENT_STATUS_OK); |
223 | } | |
224 | ||
225 | /* Connect ports */ | |
226 | { | |
227 | const auto outPort = bt_component_source_borrow_output_port_by_name_const(srcComp, "out"); | |
228 | ||
229 | BT_ASSERT(outPort); | |
230 | ||
231 | const auto inPort = bt_component_sink_borrow_input_port_by_name_const(sinkComp, "in"); | |
232 | ||
233 | BT_ASSERT(inPort); | |
234 | ||
235 | const auto status = bt_graph_connect_ports(graph, outPort, inPort, nullptr); | |
236 | ||
237 | BT_ASSERT(status == BT_GRAPH_CONNECT_PORTS_STATUS_OK); | |
238 | } | |
239 | ||
240 | /* Run graph (executes `msgIterCtxFunc`) */ | |
cc610c52 PP |
241 | { |
242 | const auto status = bt_graph_run(graph); | |
484a3024 | 243 | |
cc610c52 PP |
244 | BT_ASSERT(status == BT_GRAPH_RUN_STATUS_OK); |
245 | } | |
484a3024 | 246 | |
cc610c52 | 247 | /* Discard owned objects */ |
484a3024 SM |
248 | bt_graph_put_ref(graph); |
249 | bt_component_class_source_put_ref(srcCompCls); | |
08b4db41 | 250 | bt_component_class_sink_put_ref(sinkCompCls); |
484a3024 SM |
251 | bt_message_iterator_class_put_ref(msgIterCls); |
252 | } | |
253 | ||
254 | void runInCompClsQuery(RunInCompClsQueryFunc func) | |
255 | { | |
256 | runIn(std::move(func), nullptr, nullptr); | |
257 | } | |
258 | ||
259 | void runInCompClsInit(RunInCompClsInitFunc func) | |
260 | { | |
261 | runIn(nullptr, std::move(func), nullptr); | |
262 | } | |
263 | ||
264 | void runInMsgIterClsInit(RunInMsgIterClsInitFunc func) | |
265 | { | |
266 | runIn(nullptr, nullptr, std::move(func)); | |
267 | } |