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120 lines
2.1 KiB
C++
120 lines
2.1 KiB
C++
// Copyright 2020 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <array>
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#include <optional>
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#include <utility>
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#include "common/common_funcs.h"
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#include "common/common_types.h"
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#ifdef _WIN32
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#include <winsock2.h>
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#elif YUZU_UNIX
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#include <netinet/in.h>
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#endif
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namespace Network {
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class Socket;
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/// Error code for network functions
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enum class Errno {
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SUCCESS,
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BADF,
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INVAL,
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MFILE,
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NOTCONN,
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AGAIN,
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CONNREFUSED,
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HOSTUNREACH,
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NETDOWN,
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NETUNREACH,
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OTHER,
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};
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/// Address families
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enum class Domain {
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INET, ///< Address family for IPv4
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};
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/// Socket types
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enum class Type {
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STREAM,
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DGRAM,
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RAW,
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SEQPACKET,
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};
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/// Protocol values for sockets
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enum class Protocol {
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ICMP,
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TCP,
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UDP,
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};
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/// Shutdown mode
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enum class ShutdownHow {
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RD,
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WR,
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RDWR,
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};
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/// Array of IPv4 address
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using IPv4Address = std::array<u8, 4>;
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/// Cross-platform sockaddr structure
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struct SockAddrIn {
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Domain family;
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IPv4Address ip;
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u16 portno;
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};
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/// Cross-platform poll fd structure
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enum class PollEvents : u16 {
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// Using Pascal case because IN is a macro on Windows.
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In = 1 << 0,
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Pri = 1 << 1,
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Out = 1 << 2,
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Err = 1 << 3,
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Hup = 1 << 4,
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Nval = 1 << 5,
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};
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DECLARE_ENUM_FLAG_OPERATORS(PollEvents);
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struct PollFD {
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Socket* socket;
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PollEvents events;
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PollEvents revents;
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};
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class NetworkInstance {
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public:
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explicit NetworkInstance();
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~NetworkInstance();
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};
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#ifdef _WIN32
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constexpr IPv4Address TranslateIPv4(in_addr addr) {
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auto& bytes = addr.S_un.S_un_b;
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return IPv4Address{bytes.s_b1, bytes.s_b2, bytes.s_b3, bytes.s_b4};
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}
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#elif YUZU_UNIX
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constexpr IPv4Address TranslateIPv4(in_addr addr) {
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const u32 bytes = addr.s_addr;
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return IPv4Address{static_cast<u8>(bytes), static_cast<u8>(bytes >> 8),
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static_cast<u8>(bytes >> 16), static_cast<u8>(bytes >> 24)};
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}
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#endif
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/// @brief Returns host's IPv4 address
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/// @return human ordered IPv4 address (e.g. 192.168.0.1) as an array
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std::optional<IPv4Address> GetHostIPv4Address();
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} // namespace Network
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