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#include "common.hpp"
#include "MediaSoupErrors.hpp"
#include "Utils.hpp"
#include <catch.hpp>
#include <cstring> // std::memset()
#ifdef _WIN32
#include <winsock2.h>
#else
#include <arpa/inet.h>  // htonl(), htons(), ntohl(), ntohs()
#include <netinet/in.h> // sockaddr_in, sockaddr_in6
#include <sys/socket.h> // struct sockaddr, struct sockaddr_storage, AF_INET, AF_INET6
#endif
using namespace Utils;

SCENARIO("Utils::IP::GetFamily()")
{
	std::string ip;

	ip = "1.2.3.4";
	REQUIRE(IP::GetFamily(ip) == AF_INET);

	ip = "127.0.0.1";
	REQUIRE(IP::GetFamily(ip) == AF_INET);

	ip = "255.255.255.255";
	REQUIRE(IP::GetFamily(ip) == AF_INET);

	ip = "1::1";
	REQUIRE(IP::GetFamily(ip) == AF_INET6);

	ip = "a:b:c:D::0";
	REQUIRE(IP::GetFamily(ip) == AF_INET6);

	ip = "0000:0000:0000:0000:0000:ffff:192.168.100.228";
	REQUIRE(IP::GetFamily(ip) == AF_INET6);

	ip = "::0:";
	REQUIRE(IP::GetFamily(ip) == AF_UNSPEC);

	ip = "3::3:1:";
	REQUIRE(IP::GetFamily(ip) == AF_UNSPEC);

	ip = "chicken";
	REQUIRE(IP::GetFamily(ip) == AF_UNSPEC);

	ip = "1.2.3.256";
	REQUIRE(IP::GetFamily(ip) == AF_UNSPEC);

	ip = "1.2.3.1111";
	REQUIRE(IP::GetFamily(ip) == AF_UNSPEC);

	ip = "1.2.3.01";
	REQUIRE(IP::GetFamily(ip) == AF_UNSPEC);

	ip = "1::abcde";
	REQUIRE(IP::GetFamily(ip) == AF_UNSPEC);

	ip = "1:::";
	REQUIRE(IP::GetFamily(ip) == AF_UNSPEC);

	ip = "1.2.3.4 ";
	REQUIRE(IP::GetFamily(ip) == AF_UNSPEC);

	ip = " ::1";
	REQUIRE(IP::GetFamily(ip) == AF_UNSPEC);

	ip = "";
	REQUIRE(IP::GetFamily(ip) == AF_UNSPEC);

	ip = "0000:0000:0000:0000:0000:ffff:192.168.100.228.4567";
	REQUIRE(IP::GetFamily(ip) == AF_UNSPEC);
}

SCENARIO("Utils::IP::NormalizeIp()")
{
	std::string ip;

	ip = "1.2.3.4";
	IP::NormalizeIp(ip);
	REQUIRE(ip == "1.2.3.4");

	ip = "255.255.255.255";
	IP::NormalizeIp(ip);
	REQUIRE(ip == "255.255.255.255");

	ip = "aA::8";
	IP::NormalizeIp(ip);
	REQUIRE(ip == "aa::8");

	ip = "aA::0:0008";
	IP::NormalizeIp(ip);
	REQUIRE(ip == "aa::8");

	ip = "001.2.3.4";
	REQUIRE_THROWS_AS(IP::NormalizeIp(ip), MediaSoupTypeError);

	ip = "0255.255.255.255";
	REQUIRE_THROWS_AS(IP::NormalizeIp(ip), MediaSoupTypeError);

	ip = "1::2::3";
	REQUIRE_THROWS_AS(IP::NormalizeIp(ip), MediaSoupTypeError);

	ip = "::1 ";
	REQUIRE_THROWS_AS(IP::NormalizeIp(ip), MediaSoupTypeError);

	ip = "0.0.0.";
	REQUIRE_THROWS_AS(IP::NormalizeIp(ip), MediaSoupTypeError);

	ip = "::0:";
	REQUIRE_THROWS_AS(IP::NormalizeIp(ip), MediaSoupTypeError);

	ip = "3::3:1:";
	REQUIRE_THROWS_AS(IP::NormalizeIp(ip), MediaSoupTypeError);

	ip = "";
	REQUIRE_THROWS_AS(IP::NormalizeIp(ip), MediaSoupTypeError);
}

SCENARIO("Utils::IP::GetAddressInfo()")
{
	struct sockaddr_in sin;

	std::memset(&sin, 0, sizeof(sin));

	sin.sin_family      = AF_INET;
	sin.sin_port        = htons(10251);
	sin.sin_addr.s_addr = inet_addr("82.99.219.114");

	auto* addr = reinterpret_cast<const struct sockaddr*>(&sin);
	int family;
	std::string ip;
	uint16_t port;

	IP::GetAddressInfo(addr, family, ip, port);

	REQUIRE(family == AF_INET);
	REQUIRE(ip == "82.99.219.114");
	REQUIRE(port == 10251);
}