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/*
* Ouroboros - Copyright (C) 2016 - 2026
*
* The IPC Resource Manager - Registry - Flows
*
* Dimitri Staessens <dimitri@ouroboros.rocks>
* Sander Vrijders <sander@ouroboros.rocks>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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, write to the Free Software
* Foundation, Inc., http://www.fsf.org/about/contact/.
*/
#ifndef OUROBOROS_IRMD_REG_FLOW_H
#define OUROBOROS_IRMD_REG_FLOW_H
#include <ouroboros/list.h>
#include <ouroboros/flow.h>
#include <ouroboros/name.h>
#include <ouroboros/pthread.h>
#include <ouroboros/qos.h>
#include <ouroboros/ssm_rbuff.h>
#include <ouroboros/utils.h>
#include <stdbool.h>
#include <sys/types.h>
#include <time.h>
struct reg_flow {
struct list_head next;
struct flow_info info;
int response;
buffer_t req_data;
buffer_t rsp_data;
struct timespec t0;
char name[NAME_SIZE + 1];
bool direct;
/* Tier-2 re-key state (encrypted flows only) */
struct {
bool encrypted; /* flow carries a cipher */
uint8_t epoch; /* last epoch installed by app */
bool initiator; /* OAP initiator (role 0) */
bool in_flight; /* a re-key is in progress */
bool req_queued; /* a peer REQ is in the inbox */
bool resp_queued; /* a peer RESP is in the inbox */
uint8_t * pending_seed; /* secure heap; NULL until set */
uint8_t pending_epoch;
bool pending_initiator; /* pending seed: oap_cli side */
bool has_pending; /* new seed awaits app pull */
uint8_t pulled; /* direct: per-app pull mask */
buffer_t peer_crt; /* peer cert DER, cached at HS */
} rk;
struct ssm_rbuff * n_rb;
struct ssm_rbuff * n_1_rb;
};
struct reg_flow * reg_flow_create(const struct flow_info * info);
void reg_flow_destroy(struct reg_flow * flow);
int reg_flow_update(struct reg_flow * flow,
struct flow_info * info);
#endif /* OUROBOROS_IRMD_REG_FLOW_H */
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