2 * SPDX-License-Identifier: GPL-2.0-only
4 * Copyright (C) 2020-2023 EfficiOS, inc.
9 #include "common/assert.h"
15 struct RunInData final
17 RunInCompClsQueryFunc compClsCtxFunc
;
18 RunInCompClsInitFunc compCtxFunc
;
19 RunInMsgIterClsInitFunc msgIterCtxFunc
;
22 const RunInData
& runInDataFromMethodData(void * const methodData
)
24 return *static_cast<const RunInData
*>(methodData
);
27 bt_component_class_initialize_method_status
compClsInit(bt_self_component_source
* const selfComp
,
28 bt_self_component_source_configuration
*,
30 void * const initMethodData
)
33 bt_self_component_source_add_output_port(selfComp
, "out", initMethodData
, nullptr);
35 BT_ASSERT(status
== BT_SELF_COMPONENT_ADD_PORT_STATUS_OK
);
37 auto& data
= runInDataFromMethodData(initMethodData
);
39 if (data
.compCtxFunc
) {
40 data
.compCtxFunc(bt_self_component_source_as_self_component(selfComp
));
43 return BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK
;
46 bt_component_class_query_method_status
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
)
51 auto& data
= runInDataFromMethodData(methodData
);
53 if (data
.compClsCtxFunc
) {
54 data
.compClsCtxFunc(bt_self_component_class_source_as_self_component_class(selfCompCls
));
57 *result
= bt_value_null
;
58 return BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_OK
;
61 bt_message_iterator_class_initialize_method_status
62 msgIterClsInit(bt_self_message_iterator
* const selfMsgIter
,
63 bt_self_message_iterator_configuration
*, bt_self_component_port_output
* const port
)
65 auto& data
= runInDataFromMethodData(bt_self_component_port_get_data(
66 bt_self_component_port_output_as_self_component_port(port
)));
68 if (data
.msgIterCtxFunc
) {
69 data
.msgIterCtxFunc(selfMsgIter
);
72 return BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_OK
;
75 bt_message_iterator_class_next_method_status
76 msgIterClsNext(bt_self_message_iterator
*, bt_message_array_const
, uint64_t, uint64_t *)
78 return BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_END
;
83 bt_message_iterator
*msgIter
;
86 bt_component_class_initialize_method_status
dummySinkInit(bt_self_component_sink
* const self
,
87 bt_self_component_sink_configuration
*,
89 void * const initMethodData
)
91 const auto status
= bt_self_component_sink_add_input_port(self
, "in", NULL
, nullptr);
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
;
98 DummySinkData
& dummySinkDataFromSelfCompSink(bt_self_component_sink
* const self
)
100 return *static_cast<DummySinkData
*>(
101 bt_self_component_get_data(bt_self_component_sink_as_self_component(self
)));
104 bt_component_class_sink_graph_is_configured_method_status
105 dummySinkGraphIsConfigured(bt_self_component_sink
* const self
)
107 const auto port
= bt_self_component_sink_borrow_input_port_by_name(self
, "in");
111 const auto status
= bt_message_iterator_create_from_sink_component(
112 self
, port
, &dummySinkDataFromSelfCompSink(self
).msgIter
);
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
;
118 bt_component_class_sink_consume_method_status
dummySinkConsume(bt_self_component_sink
* const self
)
120 bt_message_array_const msgs
;
123 bt_message_iterator_next(dummySinkDataFromSelfCompSink(self
).msgIter
, &msgs
, &msgCount
);
125 BT_ASSERT(status
== BT_MESSAGE_ITERATOR_NEXT_STATUS_END
);
126 return BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_END
;
131 void runIn(RunInCompClsQueryFunc compClsCtxFunc
, RunInCompClsInitFunc compCtxFunc
,
132 RunInMsgIterClsInitFunc msgIterCtxFunc
)
134 RunInData data
{std::move(compClsCtxFunc
), std::move(compCtxFunc
), std::move(msgIterCtxFunc
)};
136 /* Create and configure custom source component class */
137 const auto msgIterCls
= bt_message_iterator_class_create(msgIterClsNext
);
139 BT_ASSERT(msgIterCls
);
143 bt_message_iterator_class_set_initialize_method(msgIterCls
, msgIterClsInit
);
145 BT_ASSERT(status
== BT_MESSAGE_ITERATOR_CLASS_SET_METHOD_STATUS_OK
);
148 const auto srcCompCls
= bt_component_class_source_create("yo", msgIterCls
);
150 BT_ASSERT(srcCompCls
);
154 bt_component_class_source_set_initialize_method(srcCompCls
, compClsInit
);
156 BT_ASSERT(status
== BT_COMPONENT_CLASS_SET_METHOD_STATUS_OK
);
160 const auto status
= bt_component_class_source_set_query_method(srcCompCls
, compClsQuery
);
162 BT_ASSERT(status
== BT_COMPONENT_CLASS_SET_METHOD_STATUS_OK
);
165 /* Execute a query (executes `compClsCtxFunc`) */
167 const auto queryExec
= bt_query_executor_create_with_method_data(
168 bt_component_class_source_as_component_class(srcCompCls
), "", nullptr, &data
);
170 BT_ASSERT(queryExec
);
172 const bt_value
*queryRes
;
173 const auto status
= bt_query_executor_query(queryExec
, &queryRes
);
175 BT_ASSERT(status
== BT_QUERY_EXECUTOR_QUERY_STATUS_OK
);
176 bt_value_put_ref(queryRes
);
177 bt_query_executor_put_ref(queryExec
);
180 /* Create a dummy sink component */
181 const auto sinkCompCls
= bt_component_class_sink_create("dummy", dummySinkConsume
);
183 BT_ASSERT(sinkCompCls
);
187 bt_component_class_sink_set_initialize_method(sinkCompCls
, dummySinkInit
);
189 BT_ASSERT(status
== BT_COMPONENT_CLASS_SET_METHOD_STATUS_OK
);
193 const auto status
= bt_component_class_sink_set_graph_is_configured_method(
194 sinkCompCls
, dummySinkGraphIsConfigured
);
196 BT_ASSERT(status
== BT_COMPONENT_CLASS_SET_METHOD_STATUS_OK
);
200 const auto graph
= bt_graph_create(0);
204 /* Add custom source component (executes `compCtxFunc`) */
205 const bt_component_source
*srcComp
;
208 const auto status
= bt_graph_add_source_component_with_initialize_method_data(
209 graph
, srcCompCls
, "the-source", NULL
, &data
, BT_LOGGING_LEVEL_NONE
, &srcComp
);
211 BT_ASSERT(status
== BT_GRAPH_ADD_COMPONENT_STATUS_OK
);
214 /* Add dummy sink component */
215 const bt_component_sink
*sinkComp
;
216 DummySinkData dummySinkData
;
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
);
222 BT_ASSERT(status
== BT_GRAPH_ADD_COMPONENT_STATUS_OK
);
227 const auto outPort
= bt_component_source_borrow_output_port_by_name_const(srcComp
, "out");
231 const auto inPort
= bt_component_sink_borrow_input_port_by_name_const(sinkComp
, "in");
235 const auto status
= bt_graph_connect_ports(graph
, outPort
, inPort
, nullptr);
237 BT_ASSERT(status
== BT_GRAPH_CONNECT_PORTS_STATUS_OK
);
240 /* Run graph (executes `msgIterCtxFunc`) */
242 const auto status
= bt_graph_run(graph
);
244 BT_ASSERT(status
== BT_GRAPH_RUN_STATUS_OK
);
247 /* Discard owned objects */
248 bt_graph_put_ref(graph
);
249 bt_component_class_source_put_ref(srcCompCls
);
250 bt_component_class_sink_put_ref(sinkCompCls
);
251 bt_message_iterator_class_put_ref(msgIterCls
);
254 void runInCompClsQuery(RunInCompClsQueryFunc func
)
256 runIn(std::move(func
), nullptr, nullptr);
259 void runInCompClsInit(RunInCompClsInitFunc func
)
261 runIn(nullptr, std::move(func
), nullptr);
264 void runInMsgIterClsInit(RunInMsgIterClsInitFunc func
)
266 runIn(nullptr, nullptr, std::move(func
));