netplay_discovery.h

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/* RetroArch - A frontend for libretro.
 * Copyright (C) 2016-2017 - Gregor Richards
 *
 * RetroArch 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 Found-
 * ation, either version 3 of the License, or (at your option) any later version.
 *
 * RetroArch 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 RetroArch.
 * If not, see <http://www.gnu.org/licenses/>.
 */


#ifndef __RARCH_NETPLAY_DISCOVERY_H
#define __RARCH_NETPLAY_DISCOVERY_H

#include <net/net_compat.h>
#include <net/net_ifinfo.h>
#include <retro_miscellaneous.h>

#define NETPLAY_HOST_STR_LEN 32
#define NETPLAY_HOST_LONGSTR_LEN 256

enum rarch_netplay_discovery_ctl_state
{
 RARCH_NETPLAY_DISCOVERY_CTL_NONE = 0,
 RARCH_NETPLAY_DISCOVERY_CTL_LAN_SEND_QUERY,
 RARCH_NETPLAY_DISCOVERY_CTL_LAN_GET_RESPONSES,
 RARCH_NETPLAY_DISCOVERY_CTL_LAN_CLEAR_RESPONSES
};

struct netplay_host
{
 struct sockaddr addr;
 socklen_t addrlen;

 char address[NETPLAY_HOST_STR_LEN];
 char nick[NETPLAY_HOST_STR_LEN];
 char frontend[NETPLAY_HOST_STR_LEN];
 char core[NETPLAY_HOST_STR_LEN];
 char core_version[NETPLAY_HOST_STR_LEN];
 char retroarch_version[NETPLAY_HOST_STR_LEN];
 char content[NETPLAY_HOST_LONGSTR_LEN];
 int content_crc;
 int port;
};

struct netplay_host_list
{
 struct netplay_host *hosts;
 size_t size;
};

/* Keep these in order, they coincide with a server-side enum and must match. */
enum netplay_host_method
{
 NETPLAY_HOST_METHOD_UNKNOWN = 0,
 NETPLAY_HOST_METHOD_MANUAL,
 NETPLAY_HOST_METHOD_UPNP,
 NETPLAY_HOST_METHOD_MITM
};

struct netplay_room
{
 int id;
 char nickname [PATH_MAX_LENGTH];
 char address [PATH_MAX_LENGTH];
 char mitm_address[PATH_MAX_LENGTH];
 int port;
 int mitm_port;
 char corename [PATH_MAX_LENGTH];
 char frontend [PATH_MAX_LENGTH];
 char coreversion [PATH_MAX_LENGTH];
 char gamename [PATH_MAX_LENGTH];
 int gamecrc;
 int timestamp;
 int host_method;
 bool has_password;
 bool has_spectate_password;
 bool lan;
 bool fixed;
 char retroarch_version[PATH_MAX_LENGTH];
 char country[PATH_MAX_LENGTH];
 struct netplay_room *next;
};

extern struct netplay_room *netplay_room_list;

extern int netplay_room_count;

bool init_netplay_discovery(void);

void deinit_netplay_discovery(void);

bool netplay_discovery_driver_ctl(enum rarch_netplay_discovery_ctl_state state, void *data);

struct netplay_room* netplay_get_host_room(void);

#endif