Compute Graph Framework SDK Reference  5.22
Node.hpp
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30
31#ifndef DW_FRAMEWORK_BASECLASS_NODE_HPP_
32#define DW_FRAMEWORK_BASECLASS_NODE_HPP_
33
34#include <map>
35
36#include <dw/core/base/Types.h>
37#include <dw/core/context/ObjectExtra.h>
38
40#include <dwcgf/pass/Pass.hpp>
41#include <dwshared/dwfoundation/dw/core/logger/Logger.hpp>
43#include <dwshared/dwfoundation/dw/core/container/VectorFixed.hpp>
44#include <dwshared/dwfoundation/dw/core/container/BaseString.hpp>
45#include <dwcgf/port/Port.hpp>
46
47#include <string>
48#include <memory>
49#include <atomic>
50
51namespace dw
52{
53namespace framework
54{
55using dw::core::FixedString;
56using dw::core::VectorFixed;
57// coverity[autosar_cpp14_a0_1_6_violation]
58class ParameterProvider;
59
60#define DW_CGF_STRINGIFY(x) #x
61// std::char_traits<char8_t>::length() is not constexpr before C++17, use "sizeof() - 1" as WAR
62#define STRING_VIEW_OF_FIXED_STRING_TEMPLATE_TYPE(x) dw::core::StringView("dw::core::FixedString<" DW_CGF_STRINGIFY(x) ">", sizeof("dw::core::FixedString<" DW_CGF_STRINGIFY(x) ">") - 1)
63
64class Node
65{
66public:
67 // coverity[autosar_cpp14_a0_1_1_violation] FP: nvbugs/2813925
68 // coverity[autosar_cpp14_a5_1_1_violation] FP: nvbugs/4020293
69 // coverity[autosar_cpp14_m0_1_4_violation] FP: nvbugs/2813925
70 static constexpr const size_t MAX_NAME_LEN{128U};
71
72 virtual ~Node() = default;
73
78 virtual dwStatus reset() = 0;
79
86 virtual dwStatus setInputChannel(ChannelObject* channel, size_t portID) = 0;
87
94 virtual dwStatus setOutputChannel(ChannelObject* channel, size_t portID) = 0;
95
105 virtual dwStatus validate() = 0;
106
111 // coverity[autosar_cpp14_a2_10_5_violation]
112 virtual dwStatus run() = 0;
113
118 virtual size_t getPassCount() const noexcept = 0;
119
125 virtual dwStatus runPass(size_t passIndex) = 0;
126
135 virtual dwStatus getPass(Pass*& pass, size_t index) = 0;
136
142 // coverity[autosar_cpp14_a2_10_5_violation]
143 virtual dwStatus getPasses(VectorFixed<Pass*>& passList) = 0;
144
150 virtual dwStatus setName(const char* name) = 0;
151
157 virtual dwStatus getName(const char** name) = 0;
158
165 virtual dwStatus collectErrorSignals(dwGraphErrorSignal*& errorSignal) = 0;
166
172 virtual dwStatus getModuleErrorSignal(dwErrorSignal& errorSignal) = 0; // Will Be Deprecated upon completion of PRC2 refactor
173
179 virtual dwStatus getNodeErrorSignal(dwGraphErrorSignal& errorSignal) = 0; // Will Be Deprecated upon completion of PRC2 refactor
180
187 virtual dwStatus collectHealthSignals(dwGraphHealthSignal*& healthSignal) = 0;
188
194 virtual dwStatus getModuleHealthSignal(dwHealthSignal& healthSignal) = 0; // Will Be Deprecated upon completion of PRC2 refactor
195
201 virtual dwStatus getNodeHealthSignal(dwGraphHealthSignal& healthSignal) = 0; // Will Be Deprecated upon completion of PRC2 refactor
202
207 virtual dwStatus clearErrorSignal() = 0;
208
213 virtual dwStatus clearHealthSignal() = 0;
214
223 virtual dwStatus updateCurrentErrorSignal(dwGraphErrorSignal& signal) = 0; // Will Be Deprecated upon completion of PRC2 refactor
224
233 virtual dwStatus updateCurrentHealthSignal(dwGraphHealthSignal& signal) = 0; // Will Be Deprecated upon completion of PRC2 refactor
234
241 virtual dwStatus addToErrorSignal(uint32_t error, dwTime_t timestamp = 0L) = 0;
242
249 virtual dwStatus addToHealthSignal(uint32_t error, dwTime_t timestamp = 0L) = 0;
250
256 virtual dwStatus setIterationCount(uint32_t iterationCount) = 0;
257
265 virtual dwStatus setState(const char* state) = 0;
266
272 virtual dwStatus setNodePeriod(uint32_t period) = 0;
273
277 virtual void resetPorts() = 0;
278
285 virtual dwStatus getInputChannel(const size_t portID, ChannelObject*& channel) const = 0;
286
293 virtual dwStatus getOutputChannel(const size_t portID, ChannelObject*& channel) const = 0;
294
301 virtual dwStatus getInputPort(const size_t portID, dw::framework::PortBase*& port) const = 0;
302
309 virtual dwStatus getOutputPort(const size_t portID, dw::framework::PortBase*& port) const = 0;
310};
311
313{
314public:
319 virtual dwStatus start() = 0;
320
325 virtual dwStatus stop() = 0;
326
331 virtual dwStatus setAffinityMask(uint) = 0;
332
337 virtual dwStatus setThreadPriority(int) = 0;
338
343 virtual dwStatus setStartTime(dwTime_t) = 0;
344
349 virtual dwStatus setEndTime(dwTime_t) = 0;
350
355 virtual dwStatus isVirtual(bool* isVirtualBool) = 0;
356
357 enum class DataEventType
358 {
359 PRODUCE, // sensor node produces data for a node-run
360 DROP, // sensor node drops data in the next node-run
361 NONE, // sensor node does not produce data for a node-run
362 };
363
368 {
380 dwStatus status;
385 dwTime_t timestamp;
386 };
387
388 using DataEventReadCallback = dw::core::Function<bool(DataEvent&)>;
396
397 using DataEventWriteCallback = dw::core::Function<void(DataEvent)>;
405
413 virtual dwStatus setLockstepDeterministicMode(bool enable) = 0;
414
420 virtual dwStatus getNextTimestamp(dwTime_t& nextTimestamp) = 0;
421
427 virtual dwStatus isEnabled(bool& isEnabled) = 0;
428};
429
437// coverity[autosar_cpp14_a0_1_6_violation]
439{
440public:
441 virtual ~IContainsPreShutdownAction() = default;
442
447 virtual dwStatus preShutdown() = 0;
448};
449
454// coverity[autosar_cpp14_a0_1_6_violation]
456{
457public:
458 virtual ~IChannelsConnectedListener() = default;
459
463 virtual void onChannelsConnected() = 0;
464};
465
468
469} // namespace framework
470} // namespace dw
471
473
474#endif // DW_FRAMEWORK_BASECLASS_NODE_HPP_
Basic error signal that gets reported only when there is an error.
Basic health signal that describes the health status of the graph.
virtual void onChannelsConnected()=0
Callback received after channels are connected.
virtual dwStatus preShutdown()=0
actions to be taken before node shutdown
virtual dwStatus setAffinityMask(uint)=0
Sets the affinity mask of the sensor.
virtual dwStatus setLockstepDeterministicMode(bool enable)=0
Set whether replay is running in lockstep deterministic mode.
virtual dwStatus setDataEventReadCallback(DataEventReadCallback cb)=0
Set read timestamp function for dataset replay. Timestamps not in the sequence returned by the callba...
virtual dwStatus setDataEventWriteCallback(DataEventWriteCallback cb)=0
Set write timestamp function for live case. Each timestamp of data output from the node will be passe...
virtual dwStatus start()=0
Start the sensor.
virtual dwStatus setEndTime(dwTime_t)=0
Set end timestamp for dataset replay.
dw::core::Function< bool(DataEvent &)> DataEventReadCallback
Definition: Node.hpp:388
virtual dwStatus isEnabled(bool &isEnabled)=0
Whether or not the node is enabled.
virtual dwStatus stop()=0
Stop the sensor.
virtual dwStatus isVirtual(bool *isVirtualBool)=0
distinguishes between a live and virtual sensor
virtual dwStatus getNextTimestamp(dwTime_t &nextTimestamp)=0
Get the next timestamp of the sensor.
dw::core::Function< void(DataEvent)> DataEventWriteCallback
Definition: Node.hpp:397
virtual dwStatus setThreadPriority(int)=0
Sets the thread priority of the sensor.
virtual dwStatus setStartTime(dwTime_t)=0
Set start timestamp for dataset replay.
virtual dwStatus getModuleHealthSignal(dwHealthSignal &healthSignal)=0
Return a copy of health signals from module that is a member of node.
virtual dwStatus validate()=0
Checks that all mandatory ports are bound. The implementation should validate that all the ports are ...
virtual dwStatus setNodePeriod(uint32_t period)=0
Set the node's period.
virtual dwStatus addToErrorSignal(uint32_t error, dwTime_t timestamp=0L)=0
A function the allows user to add an error to the error signal list.
virtual dwStatus collectHealthSignals(dwGraphHealthSignal *&healthSignal)=0
Collect health signals from node and module, combine and return the pointer to the health signal for ...
virtual dwStatus runPass(size_t passIndex)=0
Run one pass by index as defined by the pass descriptors.
virtual dwStatus getOutputChannel(const size_t portID, ChannelObject *&channel) const =0
Gets the output channel associated with the output port.
virtual dwStatus run()=0
Runs all the passes in the node.
virtual ~Node()=default
virtual size_t getPassCount() const noexcept=0
Get number of passes in the node.
virtual dwStatus setIterationCount(uint32_t iterationCount)=0
Sets the node's iteration count.
virtual dwStatus getNodeErrorSignal(dwGraphErrorSignal &errorSignal)=0
Get a copy of the error signals for the node.
virtual dwStatus getOutputPort(const size_t portID, dw::framework::PortBase *&port) const =0
Gets the output port associated with the port id.
virtual dwStatus getModuleErrorSignal(dwErrorSignal &errorSignal)=0
Get a copy of the error signals from the module that is a member of this node.
virtual dwStatus updateCurrentHealthSignal(dwGraphHealthSignal &signal)=0
A function that allows user override to update health signal It is automatically called by dwFramewor...
virtual void resetPorts()=0
Resets all the ports in the node.
virtual dwStatus addToHealthSignal(uint32_t error, dwTime_t timestamp=0L)=0
A function the allows user to add an error to the health signal list.
virtual dwStatus getPasses(VectorFixed< Pass * > &passList)=0
Get all the passes in the node.
virtual dwStatus setOutputChannel(ChannelObject *channel, size_t portID)=0
Sets an output channel for this node with an accompanying port.
virtual dwStatus setName(const char *name)=0
Set the name of the node.
virtual dwStatus getNodeHealthSignal(dwGraphHealthSignal &healthSignal)=0
Return a copy of graph health signals for the node.
virtual dwStatus getInputChannel(const size_t portID, ChannelObject *&channel) const =0
Gets the input channel associated with the input port.
virtual dwStatus getInputPort(const size_t portID, dw::framework::PortBase *&port) const =0
Gets the input port associated with the port id.
virtual dwStatus getName(const char **name)=0
Get the name of the node.
static constexpr const size_t MAX_NAME_LEN
Definition: Node.hpp:70
virtual dwStatus updateCurrentErrorSignal(dwGraphErrorSignal &signal)=0
A function that allows user override to update error signal It is automatically called by dwFramework...
virtual dwStatus clearHealthSignal()=0
Clear the health signal for this node.
virtual dwStatus setInputChannel(ChannelObject *channel, size_t portID)=0
Sets an input channel for this node with an accompanying port.
virtual dwStatus getPass(Pass *&pass, size_t index)=0
Get a const pointer to the pass at a specific index.
virtual dwStatus clearErrorSignal()=0
Clear the error signal for this node.
virtual dwStatus reset()=0
Resets the state of the node.
virtual dwStatus setState(const char *state)=0
Set the current state in node. Node implementation of this API need to be thread-safe.
virtual dwStatus collectErrorSignals(dwGraphErrorSignal *&errorSignal)=0
Collect error signals from node and module, combine and return the pointer to the error signal for th...
Pass is a runnable describes the metadata of a pass.
Definition: Pass.hpp:50
constexpr size_t passIndex(dw::core::StringView identifier)
Get the the pass index for a pass identified by name.
Definition: Buffer.hpp:41