Go2Py/cpp_bridge/thirdparty/include/dds/ddsi/ddsi_acknack.h

44 lines
1.4 KiB
C

/*
* Copyright(c) 2020 ZettaScale Technology and others
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0, or the Eclipse Distribution License
* v. 1.0 which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
*/
#ifndef DDSI_ACKNACK_H
#define DDSI_ACKNACK_H
#include <stddef.h>
#include <stdbool.h>
#include "dds/ddsrt/time.h"
#include "dds/ddsi/q_xevent.h"
#include "dds/ddsi/ddsi_entity.h"
#include "dds/ddsi/q_protocol.h"
#if defined (__cplusplus)
extern "C" {
#endif
enum add_AckNack_result {
AANR_SUPPRESSED_ACK, //!< sending nothing: too short a time since the last ACK
AANR_ACK, //!< sending an ACK and there's nothing to NACK
AANR_SUPPRESSED_NACK, //!< sending an ACK even though there are things to NACK
AANR_NACK, //!< sending a NACK, possibly also a NACKFRAG
AANR_NACKFRAG_ONLY //!< sending only a NACKFRAG
};
void sched_acknack_if_needed (struct xevent *ev, struct ddsi_proxy_writer *pwr, struct ddsi_pwr_rd_match *rwn, ddsrt_mtime_t tnow, bool avoid_suppressed_nack);
struct nn_xmsg *make_and_resched_acknack (struct xevent *ev, struct ddsi_proxy_writer *pwr, struct ddsi_pwr_rd_match *rwn, ddsrt_mtime_t tnow, bool avoid_suppressed_nack);
#if defined (__cplusplus)
}
#endif
#endif /* DDSI_ACKNACK_H */