/* SPDX-License-Identifier: GPL-3.0-or-later

 * Copyright © 2016-2026 The TokTok team.

 * Copyright © 2014 Tox project.

 */

/**

 * Implementation of the TCP relay server part of Tox.

 */

#ifndef C_TOXCORE_TOXCORE_TCP_SERVER_H

#define C_TOXCORE_TOXCORE_TCP_SERVER_H

#include <stdbool.h>

#include <stdint.h>

#include "attributes.h"

#include "crypto_core.h"

#include "forwarding.h"

#include "logger.h"

#include "mem.h"

#include "mono_time.h"

#include "net.h"

#include "net_profile.h"

#include "network.h"

#include "onion.h"

#include "rng.h"

#ifdef __cplusplus

extern "C" {

#endif

#define MAX_INCOMING_CONNECTIONS 256

#define TCP_MAX_BACKLOG MAX_INCOMING_CONNECTIONS

#define ARRAY_ENTRY_SIZE 6

typedef enum TCP_Status {

    TCP_STATUS_NO_STATUS,

    TCP_STATUS_CONNECTED,

    TCP_STATUS_UNCONFIRMED,

    TCP_STATUS_CONFIRMED,

} TCP_Status;

typedef struct TCP_Server TCP_Server;

const uint8_t *_Nonnull tcp_server_public_key(const TCP_Server *_Nonnull tcp_server);

size_t tcp_server_listen_count(const TCP_Server *_Nonnull tcp_server);

/** Create new TCP server instance. */

TCP_Server *_Nullable new_tcp_server(const Logger *_Nonnull logger, const Memory *_Nonnull mem, const Random *_Nonnull rng, const Network *_Nonnull ns,

                                     bool ipv6_enabled, uint16_t num_sockets, const uint16_t *_Nonnull ports,

                                     const uint8_t *_Nonnull secret_key, Onion *_Nullable onion, Forwarding *_Nullable forwarding);

/** Run the TCP_server */

void do_tcp_server(TCP_Server *_Nonnull tcp_server, const Mono_Time *_Nonnull mono_time);

/** Kill the TCP server */

void kill_tcp_server(TCP_Server *_Nullable tcp_server);

/** @brief Returns a pointer to the net profile associated with `tcp_server`.

 *

 * Returns null if `tcp_server` is null.

 */

const Net_Profile *_Nullable tcp_server_get_net_profile(const TCP_Server *_Nullable tcp_server);

#ifdef __cplusplus

} /* extern "C" */

#endif

#endif /* C_TOXCORE_TOXCORE_TCP_SERVER_H */