1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
/*
* SPDX-License-Identifier: GPL-2.0-only
*
* Copyright (C) 2020-2023 EfficiOS, inc.
*/
#include "common/assert.h"
#include "cpp-common/bt2/component-class-dev.hpp"
#include "cpp-common/bt2/component-class.hpp"
#include "cpp-common/bt2/graph.hpp"
#include "cpp-common/bt2/plugin-load.hpp"
#include "cpp-common/bt2/plugin.hpp"
#include "cpp-common/bt2/query-executor.hpp"
#include "cpp-common/bt2c/call.hpp"
#include "run-in.hpp"
void RunIn::onQuery(bt2::SelfComponentClass)
{
}
void RunIn::onCompInit(bt2::SelfComponent)
{
}
void RunIn::onMsgIterInit(bt2::SelfMessageIterator)
{
}
void RunIn::onMsgIterNext(bt2::SelfMessageIterator, bt2::ConstMessageArray&)
{
}
namespace {
class RunInSource;
class RunInSourceMsgIter final : public bt2::UserMessageIterator<RunInSourceMsgIter, RunInSource>
{
public:
explicit RunInSourceMsgIter(const bt2::SelfMessageIterator self,
bt2::SelfMessageIteratorConfiguration,
const bt2::SelfComponentOutputPort port) :
bt2::UserMessageIterator<RunInSourceMsgIter, RunInSource> {self, "RUN-IN-SRC-MSG-ITER"},
_mRunIn {&port.data<RunIn>()}, _mSelf {self}
{
_mRunIn->onMsgIterInit(self);
}
void _next(bt2::ConstMessageArray& msgs)
{
_mRunIn->onMsgIterNext(_mSelf, msgs);
}
private:
RunIn *_mRunIn;
bt2::SelfMessageIterator _mSelf;
};
class RunInSource final :
public bt2::UserSourceComponent<RunInSource, RunInSourceMsgIter, RunIn, RunIn>
{
public:
static constexpr auto name = "run-in-src";
explicit RunInSource(const bt2::SelfSourceComponent self, bt2::ConstMapValue,
RunIn * const runIn) :
bt2::UserSourceComponent<RunInSource, RunInSourceMsgIter, RunIn, RunIn> {self,
"RUN-IN-SRC"},
_mRunIn {runIn}
{
this->_addOutputPort("out", *runIn);
_mRunIn->onCompInit(self);
}
static bt2::Value::Shared _query(const bt2::SelfComponentClass self, bt2::PrivateQueryExecutor,
bt2c::CStringView, bt2::ConstValue, RunIn *data)
{
data->onQuery(self);
return bt2::NullValue {}.shared();
}
private:
RunIn *_mRunIn;
};
} /* namespace */
void runIn(RunIn& runIn, const std::uint64_t graphMipVersion)
{
const auto srcCompCls = bt2::SourceComponentClass::create<RunInSource>();
/* Execute a query */
bt2::QueryExecutor::create(*srcCompCls, "object-name", runIn)->query();
/* Create graph */
const auto graph = bt2::Graph::create(graphMipVersion);
/* Add custom source component (executes `compCtxFunc`) */
const auto srcComp = graph->addComponent(*srcCompCls, "the-source", runIn);
/* Add dummy sink component */
const auto sinkComp = bt2c::call([&] {
const auto utilsPlugin = bt2::findPlugin("utils");
BT_ASSERT(utilsPlugin);
const auto dummySinkCompCls = utilsPlugin->sinkComponentClasses()["dummy"];
BT_ASSERT(dummySinkCompCls);
return graph->addComponent(*dummySinkCompCls, "the-sink");
});
/* Connect ports */
const auto outPort = srcComp.outputPorts()["out"];
BT_ASSERT(outPort);
const auto inPort = sinkComp.inputPorts()["in"];
BT_ASSERT(inPort);
graph->connectPorts(*outPort, *inPort);
/* Run graph (executes `msgIterCtxFunc`) */
graph->run();
}
|
