/*
	(c) Copyright  2012 - 2018 Anton Sviridenko
	https://picapica.im

	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, version 3.

	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 <https://www.gnu.org/licenses/>.
*/
// Описание структур и функций для работы со списком адресов узлов
//
#ifndef PICA_NODEADDRLIST_H
#define PICA_NODEADDRLIST_H

#ifndef WIN32

#include <netinet/in.h>

#else

#define _WIN32_WINNT 0x501
#include <winsock2.h>
#include <ws2tcpip.h>

typedef u_long in_addr_t;
typedef u_short in_port_t;
#endif

#include <time.h>

struct PICA_nodeaddr_ipv4
{
	int magick;
	in_addr_t addr;
	in_port_t port;//network byte order
};
struct PICA_nodeaddr_ipv6
{
	int magick;
	struct in6_addr addr;
	in_port_t port;//network byte order
};
struct PICA_nodeaddr_dns
{
	int magick;
	unsigned int addr_len;
	char addr[256];
	in_port_t port;//network byte order
};

struct PICA_nodeaddr
{
	char addr[256];//макс. длина DNS имени 255 символов
	int inactive_count;//кол-во зафиксированных подряд случаев недоступности узла
	time_t last_active;//
	in_port_t port;//номер порта - host byte order

	struct PICA_nodeaddr *next;
};


int PICA_nodeaddr_list_load(const char* dbfilename, struct PICA_nodeaddr **list_head);
int PICA_nodeaddr_save(const char* dbfilename, struct PICA_nodeaddr *naddr);
int PICA_nodeaddr_update(const char* dbfilename, struct PICA_nodeaddr *naddr, int is_alive);
int PICA_nodeaddr_cleanold(const char* dbfilename, int treshold);
void PICA_nodeaddr_list_free(struct PICA_nodeaddr *list_head);

#endif