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