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/* Copyright (c) 2023, The Tor Project, Inc. */
/* See LICENSE for licensing information */
/**
* \file conflux_cell.h
* \brief Header file for conflux_cell.c.
**/
#ifndef TOR_CONFLUX_CELL_H
#define TOR_CONFLUX_CELL_H
#include "core/or/or.h"
typedef struct conflux_cell_link_t {
uint8_t version;
uint8_t desired_ux;
uint8_t nonce[DIGEST256_LEN];
uint64_t last_seqno_sent;
uint64_t last_seqno_recv;
} conflux_cell_link_t;
conflux_cell_link_t *conflux_cell_new_link(const uint8_t *nonce,
uint64_t last_sent,
uint64_t last_recv,
bool is_client);
conflux_cell_link_t *conflux_cell_parse_link(const cell_t *cell,
const uint16_t cell_len);
conflux_cell_link_t *conflux_cell_parse_linked(const cell_t *cell,
const uint16_t cell_le);
uint32_t conflux_cell_parse_switch(const cell_t *cell,
const uint16_t rh_len);
bool conflux_cell_send_link(const conflux_cell_link_t *link,
origin_circuit_t *circ);
bool conflux_cell_send_linked(const conflux_cell_link_t *link,
or_circuit_t *circ);
bool conflux_cell_send_linked_ack(origin_circuit_t *circ);
bool conflux_send_switch_command(circuit_t *send_circ, uint64_t relative_seq);
#ifdef TOR_UNIT_TESTS
STATIC ssize_t
build_link_cell(const conflux_cell_link_t *link, uint8_t *cell_out);
#endif /* TOR_UNIT_TESTS */
#endif /* TOR_CONFLUX_CELL_H */
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