mijin2/source/mijin/net/socket.hpp

101 lines
2.8 KiB
C++

#pragma once
#if !defined(MIJIN_NET_SOCKET_HPP_INCLUDED)
#define MIJIN_NET_SOCKET_HPP_INCLUDED 1
#include "../async/coroutine.hpp"
#include "../io/stream.hpp"
namespace mijin
{
//
// public types
//
class Socket
{
protected:
Socket() noexcept = default;
Socket(const Socket&) noexcept = default;
Socket(Socket&&) noexcept = default;
Socket& operator=(const Socket&) noexcept = default;
Socket& operator=(Socket&&) noexcept = default;
public:
virtual ~Socket() noexcept = default;
virtual Stream& getStream() noexcept = 0;
};
class ServerSocket
{
protected:
ServerSocket() noexcept = default;
ServerSocket(const ServerSocket&) noexcept = default;
ServerSocket(ServerSocket&&) noexcept = default;
ServerSocket& operator=(const ServerSocket&) noexcept = default;
ServerSocket& operator=(ServerSocket&&) noexcept = default;
public:
virtual ~ServerSocket() noexcept = default;
virtual void close() noexcept = 0;
virtual Task<StreamResult<std::unique_ptr<Socket>>> c_waitForConnection() noexcept = 0;
};
class TCPStream : public Stream
{
private:
int handle_ = -1;
bool async_ = false;
public:
StreamError readRaw(std::span<std::uint8_t> buffer, const ReadOptions& options, std::size_t* outBytesRead) override;
StreamError writeRaw(std::span<const std::uint8_t> buffer) override;
mijin::Task<StreamError> c_readRaw(std::span<std::uint8_t> buffer, const ReadOptions& options, std::size_t *outBytesRead) override;
mijin::Task<StreamError> c_writeRaw(std::span<const std::uint8_t> buffer) override;
std::size_t tell() override;
StreamError seek(std::intptr_t pos, SeekMode seekMode = SeekMode::ABSOLUTE) override;
void flush() override;
bool isAtEnd() override;
StreamFeatures getFeatures() override;
StreamError open(const char* address, std::uint16_t port) noexcept;
void close() noexcept;
[[nodiscard]] bool isOpen() const noexcept { return handle_ >= 0; }
private:
void setAsync(bool async);
friend class TCPServerSocket;
};
class TCPSocket : public Socket
{
private:
TCPStream stream_;
public:
TCPStream& getStream() noexcept override;
StreamError open(const char* address, std::uint16_t port) noexcept { return stream_.open(address, port); }
void close() noexcept { stream_.close(); }
[[nodiscard]] bool isOpen() const noexcept { return stream_.isOpen(); }
friend class TCPServerSocket;
};
class TCPServerSocket : public ServerSocket
{
private:
int handle_ = -1;
public:
StreamError setup(const char* address, std::uint16_t port) noexcept;
void close() noexcept override;
[[nodiscard]] bool isListening() const noexcept { return handle_ >= 0; }
Task<StreamResult<std::unique_ptr<Socket>>> c_waitForConnection() noexcept override;
};
}
#endif // !defined(MIJIN_NET_SOCKET_HPP_INCLUDED)