DDS_AcknowledgmentInfo Struct Reference

Information about an application-level acknowledged sample. More...

Public Attributes
DDS_InstanceHandle_t	subscription_handle
	Subscription handle of the acknowledging DDSDataReader.
struct DDS_SampleIdentity_t	sample_identity
	Identity of the sample being acknowledged.
DDS_Boolean	valid_response_data
	Flag indicating validity of the user response data in the acknowledgment.
struct DDS_AckResponseData_t	response_data
	User data payload of application-level acknowledgment message.

Detailed Description

Information about an application-level acknowledged sample.

When acknowledging a sample, the reader provides the writer with information about the sample being acknowledged. The AcknowledgmentInfo structure provides the identity and cookie of the sample being acknowledged, as well as user data payload provided by the reader.

Member Data Documentation

DDS_InstanceHandle_t DDS_AcknowledgmentInfo::subscription_handle

Subscription handle of the acknowledging DDSDataReader.

struct DDS_SampleIdentity_t DDS_AcknowledgmentInfo::sample_identity

Identity of the sample being acknowledged.

See Also

DDS_SampleIdentity_t

DDS_Boolean DDS_AcknowledgmentInfo::valid_response_data

Flag indicating validity of the user response data in the acknowledgment.

This flag is true when the DDS_RtpsReliableReaderProtocol_t::min_app_ack_response_keep_duration has not yet elapsed for the acknowledgment's response data.

The flag is false when that duration has elapsed for the response data.

struct DDS_AckResponseData_t DDS_AcknowledgmentInfo::response_data

User data payload of application-level acknowledgment message.

Response data set by DDSDataReader when sample was acknowledged.