ISubscriptionHandler Class Reference

Interface class used to manage generic protobuf messages. More...

#include <SubscriptionHandler.hh>

Public Member Functions
	ISubscriptionHandler (const std::string &_nUuid, const SubscribeOptions &_opts=SubscribeOptions())
	Constructor.
virtual	~ISubscriptionHandler ()=default
	Destructor.
virtual const std::shared_ptr< ProtoMsg >	CreateMsg (const std::string &_data, const std::string &_type) const =0
	Create a specific protobuf message given its serialized data.
virtual bool	RunLocalCallback (const ProtoMsg &_msg, const MessageInfo &_info)=0
	Executes the local callback registered for this handler.
Public Member Functions inherited from SubscriptionHandlerBase
	SubscriptionHandlerBase (const std::string &_nUuid, const SubscribeOptions &_opts=SubscribeOptions())
	Constructor.
virtual	~SubscriptionHandlerBase ()=default
	Destructor.
std::string	HandlerUuid () const
	Get the unique UUID of this handler.
bool	IgnoreLocalMessages () const
	Return whether local messages are ignored or not.
std::string	NodeUuid () const
	Get the node UUID.
virtual std::string	TypeName ()=0
	Get the type of the messages from which this subscriber handler is subscribed.

Additional Inherited Members
Protected Member Functions inherited from SubscriptionHandlerBase
bool	UpdateThrottling ()
	Check if message subscription is throttled. If so, verify whether the callback should be executed or not.
Protected Attributes inherited from SubscriptionHandlerBase
std::string	hUuid
	Unique handler's UUID.
Timestamp	lastCbTimestamp
	Timestamp of the last callback executed.
SubscribeOptions	opts
	Subscribe options.
double	periodNs
	If throttling is enabled, the minimum period for receiving a message in nanoseconds.

Detailed Description

Interface class used to manage generic protobuf messages.

gz/transport/SubscriptionHandler.hh

This extends SubscriptionHandlerBase by defining virtual functions for deserializing protobuf message data, and for receiving deserialized messages. Those functions are not needed by the RawSubscriptionHandler class.

Constructor & Destructor Documentation

ISubscriptionHandler()

ISubscriptionHandler ( const std::string &  _nUuid, const SubscribeOptions &  _opts = SubscribeOptions()  )

explicit

Constructor.

Parameters

[in]	_nUuid	UUID of the node registering the handler.
[in]	_opts	Subscription options.

~ISubscriptionHandler()

virtual ~ISubscriptionHandler ( )

virtualdefault

Destructor.

Member Function Documentation

CreateMsg()

virtual const std::shared_ptr< ProtoMsg > CreateMsg ( const std::string &  _data, const std::string &  _type  ) const

pure virtual

Create a specific protobuf message given its serialized data.

Parameters

[in]	_data	The serialized data.
[in]	_type	The data type.

Returns

Pointer to the specific protobuf message.

Implemented in SubscriptionHandler< T >, and SubscriptionHandler< ProtoMsg >.

RunLocalCallback()

virtual bool RunLocalCallback ( const ProtoMsg &  _msg, const MessageInfo &  _info  )

pure virtual

Executes the local callback registered for this handler.

Parameters

[in]	_msg	Protobuf message received.
[in]	_info	Message information (e.g.: topic name).

Returns

True when success, false otherwise.

Implemented in SubscriptionHandler< T >, and SubscriptionHandler< ProtoMsg >.

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The documentation for this class was generated from the following file:

• SubscriptionHandler.hh