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// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include <string_view>
#include <vector>
#include "common/common_types.h"
#include "core/hle/kernel/hle_ipc.h"
#include "core/hle/service/service.h"
#include "core/hle/service/sockets/blocking_worker.h"
#include "core/hle/service/sockets/sockets.h"
namespace Core {
class System;
}
namespace Network {
class Socket;
}
namespace Service::Sockets {
class BSD final : public ServiceFramework<BSD> {
public:
explicit BSD(Core::System& system, const char* name);
~BSD() override;
private:
/// Maximum number of file descriptors
static constexpr size_t MAX_FD = 128;
struct FileDescriptor {
std::unique_ptr<Network::Socket> socket;
s32 flags = 0;
bool is_connection_based = false;
};
struct PollWork {
void Execute(BSD* bsd);
void Response(Kernel::HLERequestContext& ctx);
s32 nfds;
s32 timeout;
std::vector<u8> read_buffer;
std::vector<u8> write_buffer;
s32 ret{};
Errno bsd_errno{};
};
struct AcceptWork {
void Execute(BSD* bsd);
void Response(Kernel::HLERequestContext& ctx);
s32 fd;
std::vector<u8> write_buffer;
s32 ret{};
Errno bsd_errno{};
};
struct ConnectWork {
void Execute(BSD* bsd);
void Response(Kernel::HLERequestContext& ctx);
s32 fd;
std::vector<u8> addr;
Errno bsd_errno{};
};
struct RecvWork {
void Execute(BSD* bsd);
void Response(Kernel::HLERequestContext& ctx);
s32 fd;
u32 flags;
std::vector<u8> message;
s32 ret{};
Errno bsd_errno{};
};
struct RecvFromWork {
void Execute(BSD* bsd);
void Response(Kernel::HLERequestContext& ctx);
s32 fd;
u32 flags;
std::vector<u8> message;
std::vector<u8> addr;
s32 ret{};
Errno bsd_errno{};
};
struct SendWork {
void Execute(BSD* bsd);
void Response(Kernel::HLERequestContext& ctx);
s32 fd;
u32 flags;
std::vector<u8> message;
s32 ret{};
Errno bsd_errno{};
};
struct SendToWork {
void Execute(BSD* bsd);
void Response(Kernel::HLERequestContext& ctx);
s32 fd;
u32 flags;
std::vector<u8> message;
std::vector<u8> addr;
s32 ret{};
Errno bsd_errno{};
};
void RegisterClient(Kernel::HLERequestContext& ctx);
void StartMonitoring(Kernel::HLERequestContext& ctx);
void Socket(Kernel::HLERequestContext& ctx);
void Select(Kernel::HLERequestContext& ctx);
void Poll(Kernel::HLERequestContext& ctx);
void Accept(Kernel::HLERequestContext& ctx);
void Bind(Kernel::HLERequestContext& ctx);
void Connect(Kernel::HLERequestContext& ctx);
void GetPeerName(Kernel::HLERequestContext& ctx);
void GetSockName(Kernel::HLERequestContext& ctx);
void Listen(Kernel::HLERequestContext& ctx);
void Fcntl(Kernel::HLERequestContext& ctx);
void SetSockOpt(Kernel::HLERequestContext& ctx);
void Shutdown(Kernel::HLERequestContext& ctx);
void Recv(Kernel::HLERequestContext& ctx);
void RecvFrom(Kernel::HLERequestContext& ctx);
void Send(Kernel::HLERequestContext& ctx);
void SendTo(Kernel::HLERequestContext& ctx);
void Write(Kernel::HLERequestContext& ctx);
void Close(Kernel::HLERequestContext& ctx);
template <typename Work>
void ExecuteWork(Kernel::HLERequestContext& ctx, std::string_view sleep_reason,
bool is_blocking, Work work);
std::pair<s32, Errno> SocketImpl(Domain domain, Type type, Protocol protocol);
std::pair<s32, Errno> PollImpl(std::vector<u8>& write_buffer, std::vector<u8> read_buffer,
s32 nfds, s32 timeout);
std::pair<s32, Errno> AcceptImpl(s32 fd, std::vector<u8>& write_buffer);
Errno BindImpl(s32 fd, const std::vector<u8>& addr);
Errno ConnectImpl(s32 fd, const std::vector<u8>& addr);
Errno GetPeerNameImpl(s32 fd, std::vector<u8>& write_buffer);
Errno GetSockNameImpl(s32 fd, std::vector<u8>& write_buffer);
Errno ListenImpl(s32 fd, s32 backlog);
std::pair<s32, Errno> FcntlImpl(s32 fd, FcntlCmd cmd, s32 arg);
Errno SetSockOptImpl(s32 fd, u32 level, OptName optname, size_t optlen, const void* optval);
Errno ShutdownImpl(s32 fd, s32 how);
std::pair<s32, Errno> RecvImpl(s32 fd, u32 flags, std::vector<u8>& message);
std::pair<s32, Errno> RecvFromImpl(s32 fd, u32 flags, std::vector<u8>& message,
std::vector<u8>& addr);
std::pair<s32, Errno> SendImpl(s32 fd, u32 flags, const std::vector<u8>& message);
std::pair<s32, Errno> SendToImpl(s32 fd, u32 flags, const std::vector<u8>& message,
const std::vector<u8>& addr);
Errno CloseImpl(s32 fd);
s32 FindFreeFileDescriptorHandle() noexcept;
bool IsFileDescriptorValid(s32 fd) const noexcept;
bool IsBlockingSocket(s32 fd) const noexcept;
void BuildErrnoResponse(Kernel::HLERequestContext& ctx, Errno bsd_errno) const noexcept;
std::optional<FileDescriptor>& GetFileDescriptor(s32 fd);
const std::optional<FileDescriptor>& GetFileDescriptor(s32 fd) const;
std::array<std::optional<FileDescriptor>, MAX_FD> file_descriptors;
BlockingWorkerPool<BSD, PollWork, AcceptWork, ConnectWork, RecvWork, RecvFromWork, SendWork,
SendToWork>
worker_pool;
};
class BSDCFG final : public ServiceFramework<BSDCFG> {
public:
explicit BSDCFG();
~BSDCFG() override;
};
} // namespace Service::Sockets
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