// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <array>
#include <optional>
#include <vector>
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "common/socket_types.h"
#ifdef _WIN32
#include <winsock2.h>
#elif YUZU_UNIX
#include <netinet/in.h>
#endif
namespace Common {
template <typename T, typename E>
class Expected;
}
namespace Network {
class SocketBase;
class Socket;
/// Error code for network functions
enum class Errno {
SUCCESS,
BADF,
INVAL,
MFILE,
PIPE,
NOTCONN,
AGAIN,
CONNREFUSED,
CONNRESET,
CONNABORTED,
HOSTUNREACH,
NETDOWN,
NETUNREACH,
TIMEDOUT,
MSGSIZE,
INPROGRESS,
OTHER,
};
enum class GetAddrInfoError {
SUCCESS,
ADDRFAMILY,
AGAIN,
BADFLAGS,
FAIL,
FAMILY,
MEMORY,
NODATA,
NONAME,
SERVICE,
SOCKTYPE,
SYSTEM,
BADHINTS,
PROTOCOL,
OVERFLOW_,
OTHER,
};
/// Cross-platform poll fd structure
enum class PollEvents : u16 {
// Using Pascal case because IN is a macro on Windows.
In = 1 << 0,
Pri = 1 << 1,
Out = 1 << 2,
Err = 1 << 3,
Hup = 1 << 4,
Nval = 1 << 5,
RdNorm = 1 << 6,
RdBand = 1 << 7,
WrBand = 1 << 8,
};
DECLARE_ENUM_FLAG_OPERATORS(PollEvents);
struct PollFD {
SocketBase* socket;
PollEvents events;
PollEvents revents;
};
class NetworkInstance {
public:
explicit NetworkInstance();
~NetworkInstance();
};
void CancelPendingSocketOperations();
void RestartSocketOperations();
#ifdef _WIN32
constexpr IPv4Address TranslateIPv4(in_addr addr) {
auto& bytes = addr.S_un.S_un_b;
return IPv4Address{bytes.s_b1, bytes.s_b2, bytes.s_b3, bytes.s_b4};
}
#elif YUZU_UNIX
constexpr IPv4Address TranslateIPv4(in_addr addr) {
const u32 bytes = addr.s_addr;
return IPv4Address{static_cast<u8>(bytes), static_cast<u8>(bytes >> 8),
static_cast<u8>(bytes >> 16), static_cast<u8>(bytes >> 24)};
}
#endif
/// @brief Returns host's IPv4 address
/// @return human ordered IPv4 address (e.g. 192.168.0.1) as an array
std::optional<IPv4Address> GetHostIPv4Address();
std::string IPv4AddressToString(IPv4Address ip_addr);
u32 IPv4AddressToInteger(IPv4Address ip_addr);
// named to avoid name collision with Windows macro
Common::Expected<std::vector<AddrInfo>, GetAddrInfoError> GetAddressInfo(
const std::string& host, const std::optional<std::string>& service);
} // namespace Network
