#include <rmw_entity.h>
Data Fields | |
| rmw_time_point_value_t | received_timestamp |
| rmw_request_id_t | request_id |
| rmw_time_point_value_t | source_timestamp |
Detailed Description
Per-request metadata — upstream rmw_service_info_t, field for field.
Issue 2081. Filled by take_request_with_info for a request and, since issue 2136, by take_response_with_info for a reply. As in rmw_message_info_t, a field the backend cannot report is ZERO: a timestamp of 0 means "not stamped", and an all-zero request_id.writer_guid means the request id is not reported. The runtime turns each into None, never into a value.
The timestamps are the SENDER's and the RECEIVER's, as upstream's are: for a request, the client's send time and the server's arrival time; for a reply, the server's send time and the client's arrival time.
Field Documentation
◆ received_timestamp
| rmw_time_point_value_t rmw_service_info_t::received_timestamp |
Receiver's clock when the message was received, ns. 0 = not reported.
◆ request_id
| rmw_request_id_t rmw_service_info_t::request_id |
The request: who sent it, and its client-assigned sequence number.
◆ source_timestamp
| rmw_time_point_value_t rmw_service_info_t::source_timestamp |
Sender's clock when the message was sent, ns. 0 = not reported.
The documentation for this struct was generated from the following file:
- include/nros/rmw_entity.h
