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/*
* (C) 2021-2022 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
* All Rights Reserved.
*
* Author: Neels Janosch Hofmeyr <nhofmeyr@sysmocom.de>
*
* SPDX-License-Identifier: GPL-2.0+
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#pragma once
#include <stdint.h>
#include <stdbool.h>
#include <osmocom/core/socket.h>
#include <osmocom/core/use_count.h>
#include <osmocom/pfcp/pfcp_proto.h>
struct osmo_fsm_inst;
struct osmo_pfcp_endpoint;
struct osmo_pfcp_cp_peer;
typedef void (*osmo_pfcp_cp_peer_assoc_cb)(struct osmo_pfcp_cp_peer *cp_peer, bool associated);
struct osmo_pfcp_cp_peer {
struct osmo_fsm_inst *fi;
struct osmo_pfcp_endpoint *ep;
struct osmo_sockaddr remote_addr;
uint64_t next_seid_state;
/* If non-NULL, called whenever the peer completes a PFCP Association, and when it loses association.
* Argument associated == true means the peer has just associated;
* associated == false means the association has been lost. */
osmo_pfcp_cp_peer_assoc_cb assoc_cb;
/* Application private data for assoc_cb, in case ep->priv does not suffice. */
void *priv;
struct osmo_use_count use_count;
struct osmo_use_count_entry use_count_buf[128];
};
struct osmo_pfcp_cp_peer *osmo_pfcp_cp_peer_alloc(void *ctx,
struct osmo_pfcp_endpoint *ep,
const struct osmo_sockaddr *remote_addr);
int osmo_pfcp_cp_peer_associate(struct osmo_pfcp_cp_peer *cp_peer);
bool osmo_pfcp_cp_peer_is_associated(const struct osmo_pfcp_cp_peer *cp_peer);
struct osmo_pfcp_msg *osmo_pfcp_cp_peer_new_msg_tx(struct osmo_pfcp_cp_peer *cp_peer,
enum osmo_pfcp_message_type msg_type);
void osmo_pfcp_cp_peer_set_msg_ctx(struct osmo_pfcp_cp_peer *cp_peer, struct osmo_pfcp_msg *m);
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