52 lines
1.8 KiB
C
52 lines
1.8 KiB
C
/*
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* Copyright(c) 2006 to 2020 ZettaScale Technology and others
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*
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* This program and the accompanying materials are made available under the
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* terms of the Eclipse Public License v. 2.0 which is available at
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* http://www.eclipse.org/legal/epl-2.0, or the Eclipse Distribution License
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* v. 1.0 which is available at
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* http://www.eclipse.org/org/documents/edl-v10.php.
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*
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* SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
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*/
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#ifndef Q_HBCONTROL_H
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#define Q_HBCONTROL_H
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#include "dds/features.h"
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#if defined (__cplusplus)
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extern "C" {
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#endif
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struct ddsi_writer;
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struct whc_state;
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struct ddsi_proxy_reader;
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struct hbcontrol {
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ddsrt_mtime_t t_of_last_write;
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ddsrt_mtime_t t_of_last_hb;
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ddsrt_mtime_t t_of_last_ackhb;
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ddsrt_mtime_t tsched;
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uint32_t hbs_since_last_write;
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uint32_t last_packetid;
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};
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void writer_hbcontrol_init (struct hbcontrol *hbc);
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int64_t writer_hbcontrol_intv (const struct ddsi_writer *wr, const struct whc_state *whcst, ddsrt_mtime_t tnow);
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void writer_hbcontrol_note_asyncwrite (struct ddsi_writer *wr, ddsrt_mtime_t tnow);
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int writer_hbcontrol_ack_required (const struct ddsi_writer *wr, const struct whc_state *whcst, ddsrt_mtime_t tnow);
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struct nn_xmsg *writer_hbcontrol_piggyback (struct ddsi_writer *wr, const struct whc_state *whcst, ddsrt_mtime_t tnow, uint32_t packetid, int *hbansreq);
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int writer_hbcontrol_must_send (const struct ddsi_writer *wr, const struct whc_state *whcst, ddsrt_mtime_t tnow);
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struct nn_xmsg *writer_hbcontrol_create_heartbeat (struct ddsi_writer *wr, const struct whc_state *whcst, ddsrt_mtime_t tnow, int hbansreq, int issync);
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#ifdef DDS_HAS_SECURITY
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struct nn_xmsg *writer_hbcontrol_p2p(struct ddsi_writer *wr, const struct whc_state *whcst, int hbansreq, struct ddsi_proxy_reader *prd);
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#endif
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#if defined (__cplusplus)
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}
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#endif
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#endif /* Q_HBCONTROL_H */
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