// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <map>
#include <memory>
#include <span>
#include <utility>
#if defined(_WIN32)
#elif !YUZU_UNIX
#error "Platform not implemented"
#endif
#include "common/common_types.h"
#include "core/internal_network/network.h"
// TODO: C++20 Replace std::vector usages with std::span
namespace Network {
struct ProxyPacket;
class SocketBase {
public:
#ifdef YUZU_UNIX
using SOCKET = int;
static constexpr SOCKET INVALID_SOCKET = -1;
static constexpr SOCKET SOCKET_ERROR = -1;
#endif
struct AcceptResult {
std::unique_ptr<SocketBase> socket;
SockAddrIn sockaddr_in;
};
SocketBase() = default;
explicit SocketBase(SOCKET fd_) : fd{fd_} {}
virtual ~SocketBase() = default;
YUZU_NON_COPYABLE(SocketBase);
YUZU_NON_MOVEABLE(SocketBase);
virtual Errno Initialize(Domain domain, Type type, Protocol protocol) = 0;
virtual Errno Close() = 0;
virtual std::pair<AcceptResult, Errno> Accept() = 0;
virtual Errno Connect(SockAddrIn addr_in) = 0;
virtual std::pair<SockAddrIn, Errno> GetPeerName() = 0;
virtual std::pair<SockAddrIn, Errno> GetSockName() = 0;
virtual Errno Bind(SockAddrIn addr) = 0;
virtual Errno Listen(s32 backlog) = 0;
virtual Errno Shutdown(ShutdownHow how) = 0;
virtual std::pair<s32, Errno> Recv(int flags, std::span<u8> message) = 0;
virtual std::pair<s32, Errno> RecvFrom(int flags, std::span<u8> message, SockAddrIn* addr) = 0;
virtual std::pair<s32, Errno> Send(std::span<const u8> message, int flags) = 0;
virtual std::pair<s32, Errno> SendTo(u32 flags, std::span<const u8> message,
const SockAddrIn* addr) = 0;
virtual Errno SetLinger(bool enable, u32 linger) = 0;
virtual Errno SetReuseAddr(bool enable) = 0;
virtual Errno SetKeepAlive(bool enable) = 0;
virtual Errno SetBroadcast(bool enable) = 0;
virtual Errno SetSndBuf(u32 value) = 0;
virtual Errno SetRcvBuf(u32 value) = 0;
virtual Errno SetSndTimeo(u32 value) = 0;
virtual Errno SetRcvTimeo(u32 value) = 0;
virtual Errno SetNonBlock(bool enable) = 0;
virtual std::pair<Errno, Errno> GetPendingError() = 0;
virtual bool IsOpened() const = 0;
virtual void HandleProxyPacket(const ProxyPacket& packet) = 0;
[[nodiscard]] SOCKET GetFD() const {
return fd;
}
protected:
SOCKET fd = INVALID_SOCKET;
};
class Socket : public SocketBase {
public:
Socket() = default;
explicit Socket(SOCKET fd_) : SocketBase{fd_} {}
~Socket() override;
Socket(Socket&& rhs) noexcept;
Errno Initialize(Domain domain, Type type, Protocol protocol) override;
Errno Close() override;
std::pair<AcceptResult, Errno> Accept() override;
Errno Connect(SockAddrIn addr_in) override;
std::pair<SockAddrIn, Errno> GetPeerName() override;
std::pair<SockAddrIn, Errno> GetSockName() override;
Errno Bind(SockAddrIn addr) override;
Errno Listen(s32 backlog) override;
Errno Shutdown(ShutdownHow how) override;
std::pair<s32, Errno> Recv(int flags, std::span<u8> message) override;
std::pair<s32, Errno> RecvFrom(int flags, std::span<u8> message, SockAddrIn* addr) override;
std::pair<s32, Errno> Send(std::span<const u8> message, int flags) override;
std::pair<s32, Errno> SendTo(u32 flags, std::span<const u8> message,
const SockAddrIn* addr) override;
Errno SetLinger(bool enable, u32 linger) override;
Errno SetReuseAddr(bool enable) override;
Errno SetKeepAlive(bool enable) override;
Errno SetBroadcast(bool enable) override;
Errno SetSndBuf(u32 value) override;
Errno SetRcvBuf(u32 value) override;
Errno SetSndTimeo(u32 value) override;
Errno SetRcvTimeo(u32 value) override;
Errno SetNonBlock(bool enable) override;
template <typename T>
Errno SetSockOpt(SOCKET fd, int option, T value);
std::pair<Errno, Errno> GetPendingError() override;
template <typename T>
std::pair<T, Errno> GetSockOpt(SOCKET fd, int option);
bool IsOpened() const override;
void HandleProxyPacket(const ProxyPacket& packet) override;
};
std::pair<s32, Errno> Poll(std::vector<PollFD>& poll_fds, s32 timeout);
} // namespace Network
