mirror of https://github.com/yuzu-emu/yuzu
648 lines
16 KiB
C++
648 lines
16 KiB
C++
// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include <algorithm>
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#include <cstring>
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#include <limits>
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#include <utility>
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#include <vector>
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#include "common/error.h"
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#ifdef _WIN32
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#include <winsock2.h>
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#include <ws2tcpip.h>
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#elif YUZU_UNIX
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#include <arpa/inet.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <netdb.h>
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#include <netinet/in.h>
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#include <poll.h>
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#include <sys/socket.h>
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#include <unistd.h>
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#else
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#error "Unimplemented platform"
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#endif
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#include "common/assert.h"
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#include "common/common_types.h"
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#include "common/logging/log.h"
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#include "common/settings.h"
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#include "core/internal_network/network.h"
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#include "core/internal_network/network_interface.h"
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#include "core/internal_network/sockets.h"
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#include "network/network.h"
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namespace Network {
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namespace {
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#ifdef _WIN32
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using socklen_t = int;
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void Initialize() {
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WSADATA wsa_data;
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(void)WSAStartup(MAKEWORD(2, 2), &wsa_data);
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}
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void Finalize() {
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WSACleanup();
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}
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sockaddr TranslateFromSockAddrIn(SockAddrIn input) {
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sockaddr_in result;
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#if YUZU_UNIX
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result.sin_len = sizeof(result);
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#endif
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switch (static_cast<Domain>(input.family)) {
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case Domain::INET:
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result.sin_family = AF_INET;
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break;
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default:
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UNIMPLEMENTED_MSG("Unhandled sockaddr family={}", input.family);
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result.sin_family = AF_INET;
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break;
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}
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result.sin_port = htons(input.portno);
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auto& ip = result.sin_addr.S_un.S_un_b;
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ip.s_b1 = input.ip[0];
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ip.s_b2 = input.ip[1];
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ip.s_b3 = input.ip[2];
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ip.s_b4 = input.ip[3];
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sockaddr addr;
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std::memcpy(&addr, &result, sizeof(addr));
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return addr;
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}
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LINGER MakeLinger(bool enable, u32 linger_value) {
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ASSERT(linger_value <= std::numeric_limits<u_short>::max());
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LINGER value;
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value.l_onoff = enable ? 1 : 0;
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value.l_linger = static_cast<u_short>(linger_value);
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return value;
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}
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bool EnableNonBlock(SOCKET fd, bool enable) {
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u_long value = enable ? 1 : 0;
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return ioctlsocket(fd, FIONBIO, &value) != SOCKET_ERROR;
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}
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Errno TranslateNativeError(int e) {
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switch (e) {
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case WSAEBADF:
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return Errno::BADF;
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case WSAEINVAL:
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return Errno::INVAL;
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case WSAEMFILE:
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return Errno::MFILE;
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case WSAENOTCONN:
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return Errno::NOTCONN;
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case WSAEWOULDBLOCK:
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return Errno::AGAIN;
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case WSAECONNREFUSED:
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return Errno::CONNREFUSED;
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case WSAECONNRESET:
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return Errno::CONNRESET;
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case WSAEHOSTUNREACH:
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return Errno::HOSTUNREACH;
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case WSAENETDOWN:
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return Errno::NETDOWN;
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case WSAENETUNREACH:
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return Errno::NETUNREACH;
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case WSAEMSGSIZE:
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return Errno::MSGSIZE;
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case WSAETIMEDOUT:
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return Errno::TIMEDOUT;
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default:
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UNIMPLEMENTED_MSG("Unimplemented errno={}", e);
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return Errno::OTHER;
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}
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}
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#elif YUZU_UNIX // ^ _WIN32 v YUZU_UNIX
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using SOCKET = int;
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using WSAPOLLFD = pollfd;
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using ULONG = u64;
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constexpr SOCKET SOCKET_ERROR = -1;
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constexpr int SD_RECEIVE = SHUT_RD;
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constexpr int SD_SEND = SHUT_WR;
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constexpr int SD_BOTH = SHUT_RDWR;
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void Initialize() {}
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void Finalize() {}
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sockaddr TranslateFromSockAddrIn(SockAddrIn input) {
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sockaddr_in result;
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switch (static_cast<Domain>(input.family)) {
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case Domain::INET:
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result.sin_family = AF_INET;
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break;
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default:
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UNIMPLEMENTED_MSG("Unhandled sockaddr family={}", input.family);
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result.sin_family = AF_INET;
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break;
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}
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result.sin_port = htons(input.portno);
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result.sin_addr.s_addr = input.ip[0] | input.ip[1] << 8 | input.ip[2] << 16 | input.ip[3] << 24;
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sockaddr addr;
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std::memcpy(&addr, &result, sizeof(addr));
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return addr;
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}
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int WSAPoll(WSAPOLLFD* fds, ULONG nfds, int timeout) {
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return poll(fds, static_cast<nfds_t>(nfds), timeout);
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}
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int closesocket(SOCKET fd) {
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return close(fd);
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}
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linger MakeLinger(bool enable, u32 linger_value) {
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linger value;
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value.l_onoff = enable ? 1 : 0;
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value.l_linger = linger_value;
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return value;
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}
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bool EnableNonBlock(int fd, bool enable) {
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int flags = fcntl(fd, F_GETFL);
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if (flags == -1) {
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return false;
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}
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if (enable) {
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flags |= O_NONBLOCK;
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} else {
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flags &= ~O_NONBLOCK;
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}
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return fcntl(fd, F_SETFL, flags) == 0;
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}
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Errno TranslateNativeError(int e) {
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switch (e) {
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case EBADF:
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return Errno::BADF;
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case EINVAL:
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return Errno::INVAL;
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case EMFILE:
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return Errno::MFILE;
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case ENOTCONN:
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return Errno::NOTCONN;
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case EAGAIN:
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return Errno::AGAIN;
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case ECONNREFUSED:
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return Errno::CONNREFUSED;
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case ECONNRESET:
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return Errno::CONNRESET;
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case EHOSTUNREACH:
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return Errno::HOSTUNREACH;
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case ENETDOWN:
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return Errno::NETDOWN;
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case ENETUNREACH:
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return Errno::NETUNREACH;
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case EMSGSIZE:
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return Errno::MSGSIZE;
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case ETIMEDOUT:
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return Errno::TIMEDOUT;
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default:
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UNIMPLEMENTED_MSG("Unimplemented errno={}", e);
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return Errno::OTHER;
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}
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}
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#endif
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Errno GetAndLogLastError() {
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#ifdef _WIN32
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int e = WSAGetLastError();
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#else
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int e = errno;
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#endif
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const Errno err = TranslateNativeError(e);
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if (err == Errno::AGAIN || err == Errno::TIMEDOUT) {
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return err;
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}
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LOG_ERROR(Network, "Socket operation error: {}", Common::NativeErrorToString(e));
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return err;
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}
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int TranslateDomain(Domain domain) {
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switch (domain) {
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case Domain::INET:
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return AF_INET;
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default:
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UNIMPLEMENTED_MSG("Unimplemented domain={}", domain);
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return 0;
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}
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}
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int TranslateType(Type type) {
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switch (type) {
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case Type::STREAM:
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return SOCK_STREAM;
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case Type::DGRAM:
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return SOCK_DGRAM;
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default:
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UNIMPLEMENTED_MSG("Unimplemented type={}", type);
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return 0;
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}
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}
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int TranslateProtocol(Protocol protocol) {
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switch (protocol) {
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case Protocol::TCP:
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return IPPROTO_TCP;
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case Protocol::UDP:
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return IPPROTO_UDP;
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default:
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UNIMPLEMENTED_MSG("Unimplemented protocol={}", protocol);
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return 0;
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}
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}
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SockAddrIn TranslateToSockAddrIn(sockaddr input_) {
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sockaddr_in input;
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std::memcpy(&input, &input_, sizeof(input));
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SockAddrIn result;
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switch (input.sin_family) {
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case AF_INET:
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result.family = Domain::INET;
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break;
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default:
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UNIMPLEMENTED_MSG("Unhandled sockaddr family={}", input.sin_family);
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result.family = Domain::INET;
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break;
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}
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result.portno = ntohs(input.sin_port);
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result.ip = TranslateIPv4(input.sin_addr);
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return result;
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}
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short TranslatePollEvents(PollEvents events) {
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short result = 0;
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if (True(events & PollEvents::In)) {
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events &= ~PollEvents::In;
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result |= POLLIN;
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}
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if (True(events & PollEvents::Pri)) {
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events &= ~PollEvents::Pri;
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#ifdef _WIN32
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LOG_WARNING(Service, "Winsock doesn't support POLLPRI");
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#else
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result |= POLLPRI;
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#endif
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}
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if (True(events & PollEvents::Out)) {
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events &= ~PollEvents::Out;
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result |= POLLOUT;
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}
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UNIMPLEMENTED_IF_MSG((u16)events != 0, "Unhandled guest events=0x{:x}", (u16)events);
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return result;
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}
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PollEvents TranslatePollRevents(short revents) {
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PollEvents result{};
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const auto translate = [&result, &revents](short host, PollEvents guest) {
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if ((revents & host) != 0) {
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revents &= static_cast<short>(~host);
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result |= guest;
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}
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};
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translate(POLLIN, PollEvents::In);
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translate(POLLPRI, PollEvents::Pri);
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translate(POLLOUT, PollEvents::Out);
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translate(POLLERR, PollEvents::Err);
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translate(POLLHUP, PollEvents::Hup);
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UNIMPLEMENTED_IF_MSG(revents != 0, "Unhandled host revents=0x{:x}", revents);
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return result;
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}
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} // Anonymous namespace
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NetworkInstance::NetworkInstance() {
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Initialize();
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}
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NetworkInstance::~NetworkInstance() {
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Finalize();
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}
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std::optional<IPv4Address> GetHostIPv4Address() {
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const auto network_interface = Network::GetSelectedNetworkInterface();
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if (!network_interface.has_value()) {
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LOG_ERROR(Network, "GetSelectedNetworkInterface returned no interface");
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return {};
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}
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std::array<char, 16> ip_addr = {};
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ASSERT(inet_ntop(AF_INET, &network_interface->ip_address, ip_addr.data(), sizeof(ip_addr)) !=
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nullptr);
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return TranslateIPv4(network_interface->ip_address);
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}
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std::pair<s32, Errno> Poll(std::vector<PollFD>& pollfds, s32 timeout) {
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const size_t num = pollfds.size();
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std::vector<WSAPOLLFD> host_pollfds(pollfds.size());
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std::transform(pollfds.begin(), pollfds.end(), host_pollfds.begin(), [](PollFD fd) {
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WSAPOLLFD result;
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result.fd = fd.socket->GetFD();
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result.events = TranslatePollEvents(fd.events);
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result.revents = 0;
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return result;
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});
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const int result = WSAPoll(host_pollfds.data(), static_cast<ULONG>(num), timeout);
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if (result == 0) {
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ASSERT(std::all_of(host_pollfds.begin(), host_pollfds.end(),
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[](WSAPOLLFD fd) { return fd.revents == 0; }));
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return {0, Errno::SUCCESS};
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}
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for (size_t i = 0; i < num; ++i) {
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pollfds[i].revents = TranslatePollRevents(host_pollfds[i].revents);
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}
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if (result > 0) {
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return {result, Errno::SUCCESS};
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}
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ASSERT(result == SOCKET_ERROR);
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return {-1, GetAndLogLastError()};
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}
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Socket::~Socket() {
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if (fd == INVALID_SOCKET) {
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return;
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}
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(void)closesocket(fd);
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fd = INVALID_SOCKET;
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}
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Socket::Socket(Socket&& rhs) noexcept {
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fd = std::exchange(rhs.fd, INVALID_SOCKET);
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}
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template <typename T>
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Errno Socket::SetSockOpt(SOCKET fd_, int option, T value) {
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const int result =
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setsockopt(fd_, SOL_SOCKET, option, reinterpret_cast<const char*>(&value), sizeof(value));
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if (result != SOCKET_ERROR) {
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return Errno::SUCCESS;
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}
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return GetAndLogLastError();
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}
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Errno Socket::Initialize(Domain domain, Type type, Protocol protocol) {
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fd = socket(TranslateDomain(domain), TranslateType(type), TranslateProtocol(protocol));
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if (fd != INVALID_SOCKET) {
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return Errno::SUCCESS;
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}
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return GetAndLogLastError();
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}
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std::pair<SocketBase::AcceptResult, Errno> Socket::Accept() {
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sockaddr addr;
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socklen_t addrlen = sizeof(addr);
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const SOCKET new_socket = accept(fd, &addr, &addrlen);
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if (new_socket == INVALID_SOCKET) {
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return {AcceptResult{}, GetAndLogLastError()};
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}
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ASSERT(addrlen == sizeof(sockaddr_in));
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AcceptResult result{
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.socket = std::make_unique<Socket>(new_socket),
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.sockaddr_in = TranslateToSockAddrIn(addr),
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};
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return {std::move(result), Errno::SUCCESS};
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}
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Errno Socket::Connect(SockAddrIn addr_in) {
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const sockaddr host_addr_in = TranslateFromSockAddrIn(addr_in);
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if (connect(fd, &host_addr_in, sizeof(host_addr_in)) != SOCKET_ERROR) {
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return Errno::SUCCESS;
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}
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return GetAndLogLastError();
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}
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std::pair<SockAddrIn, Errno> Socket::GetPeerName() {
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sockaddr addr;
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socklen_t addrlen = sizeof(addr);
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if (getpeername(fd, &addr, &addrlen) == SOCKET_ERROR) {
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return {SockAddrIn{}, GetAndLogLastError()};
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}
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ASSERT(addrlen == sizeof(sockaddr_in));
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return {TranslateToSockAddrIn(addr), Errno::SUCCESS};
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}
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std::pair<SockAddrIn, Errno> Socket::GetSockName() {
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sockaddr addr;
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socklen_t addrlen = sizeof(addr);
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if (getsockname(fd, &addr, &addrlen) == SOCKET_ERROR) {
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return {SockAddrIn{}, GetAndLogLastError()};
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}
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ASSERT(addrlen == sizeof(sockaddr_in));
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return {TranslateToSockAddrIn(addr), Errno::SUCCESS};
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}
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Errno Socket::Bind(SockAddrIn addr) {
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const sockaddr addr_in = TranslateFromSockAddrIn(addr);
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if (bind(fd, &addr_in, sizeof(addr_in)) != SOCKET_ERROR) {
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return Errno::SUCCESS;
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}
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return GetAndLogLastError();
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}
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Errno Socket::Listen(s32 backlog) {
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if (listen(fd, backlog) != SOCKET_ERROR) {
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return Errno::SUCCESS;
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}
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return GetAndLogLastError();
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}
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Errno Socket::Shutdown(ShutdownHow how) {
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int host_how = 0;
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switch (how) {
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case ShutdownHow::RD:
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host_how = SD_RECEIVE;
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break;
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case ShutdownHow::WR:
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host_how = SD_SEND;
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break;
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case ShutdownHow::RDWR:
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host_how = SD_BOTH;
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break;
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default:
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UNIMPLEMENTED_MSG("Unimplemented flag how={}", how);
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return Errno::SUCCESS;
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}
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if (shutdown(fd, host_how) != SOCKET_ERROR) {
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return Errno::SUCCESS;
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}
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return GetAndLogLastError();
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}
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std::pair<s32, Errno> Socket::Recv(int flags, std::vector<u8>& message) {
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ASSERT(flags == 0);
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ASSERT(message.size() < static_cast<size_t>(std::numeric_limits<int>::max()));
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const auto result =
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recv(fd, reinterpret_cast<char*>(message.data()), static_cast<int>(message.size()), 0);
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if (result != SOCKET_ERROR) {
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return {static_cast<s32>(result), Errno::SUCCESS};
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}
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return {-1, GetAndLogLastError()};
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}
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std::pair<s32, Errno> Socket::RecvFrom(int flags, std::vector<u8>& message, SockAddrIn* addr) {
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ASSERT(flags == 0);
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ASSERT(message.size() < static_cast<size_t>(std::numeric_limits<int>::max()));
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sockaddr addr_in{};
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socklen_t addrlen = sizeof(addr_in);
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socklen_t* const p_addrlen = addr ? &addrlen : nullptr;
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sockaddr* const p_addr_in = addr ? &addr_in : nullptr;
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const auto result = recvfrom(fd, reinterpret_cast<char*>(message.data()),
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static_cast<int>(message.size()), 0, p_addr_in, p_addrlen);
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if (result != SOCKET_ERROR) {
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if (addr) {
|
|
ASSERT(addrlen == sizeof(addr_in));
|
|
*addr = TranslateToSockAddrIn(addr_in);
|
|
}
|
|
return {static_cast<s32>(result), Errno::SUCCESS};
|
|
}
|
|
|
|
return {-1, GetAndLogLastError()};
|
|
}
|
|
|
|
std::pair<s32, Errno> Socket::Send(std::span<const u8> message, int flags) {
|
|
ASSERT(message.size() < static_cast<size_t>(std::numeric_limits<int>::max()));
|
|
ASSERT(flags == 0);
|
|
|
|
const auto result = send(fd, reinterpret_cast<const char*>(message.data()),
|
|
static_cast<int>(message.size()), 0);
|
|
if (result != SOCKET_ERROR) {
|
|
return {static_cast<s32>(result), Errno::SUCCESS};
|
|
}
|
|
|
|
return {-1, GetAndLogLastError()};
|
|
}
|
|
|
|
std::pair<s32, Errno> Socket::SendTo(u32 flags, std::span<const u8> message,
|
|
const SockAddrIn* addr) {
|
|
ASSERT(flags == 0);
|
|
|
|
const sockaddr* to = nullptr;
|
|
const int to_len = addr ? sizeof(sockaddr) : 0;
|
|
sockaddr host_addr_in;
|
|
|
|
if (addr) {
|
|
host_addr_in = TranslateFromSockAddrIn(*addr);
|
|
to = &host_addr_in;
|
|
}
|
|
|
|
const auto result = sendto(fd, reinterpret_cast<const char*>(message.data()),
|
|
static_cast<int>(message.size()), 0, to, to_len);
|
|
if (result != SOCKET_ERROR) {
|
|
return {static_cast<s32>(result), Errno::SUCCESS};
|
|
}
|
|
|
|
return {-1, GetAndLogLastError()};
|
|
}
|
|
|
|
Errno Socket::Close() {
|
|
[[maybe_unused]] const int result = closesocket(fd);
|
|
ASSERT(result == 0);
|
|
fd = INVALID_SOCKET;
|
|
|
|
return Errno::SUCCESS;
|
|
}
|
|
|
|
Errno Socket::SetLinger(bool enable, u32 linger) {
|
|
return SetSockOpt(fd, SO_LINGER, MakeLinger(enable, linger));
|
|
}
|
|
|
|
Errno Socket::SetReuseAddr(bool enable) {
|
|
return SetSockOpt<u32>(fd, SO_REUSEADDR, enable ? 1 : 0);
|
|
}
|
|
|
|
Errno Socket::SetKeepAlive(bool enable) {
|
|
return SetSockOpt<u32>(fd, SO_KEEPALIVE, enable ? 1 : 0);
|
|
}
|
|
|
|
Errno Socket::SetBroadcast(bool enable) {
|
|
return SetSockOpt<u32>(fd, SO_BROADCAST, enable ? 1 : 0);
|
|
}
|
|
|
|
Errno Socket::SetSndBuf(u32 value) {
|
|
return SetSockOpt(fd, SO_SNDBUF, value);
|
|
}
|
|
|
|
Errno Socket::SetRcvBuf(u32 value) {
|
|
return SetSockOpt(fd, SO_RCVBUF, value);
|
|
}
|
|
|
|
Errno Socket::SetSndTimeo(u32 value) {
|
|
return SetSockOpt(fd, SO_SNDTIMEO, value);
|
|
}
|
|
|
|
Errno Socket::SetRcvTimeo(u32 value) {
|
|
return SetSockOpt(fd, SO_RCVTIMEO, value);
|
|
}
|
|
|
|
Errno Socket::SetNonBlock(bool enable) {
|
|
if (EnableNonBlock(fd, enable)) {
|
|
return Errno::SUCCESS;
|
|
}
|
|
return GetAndLogLastError();
|
|
}
|
|
|
|
bool Socket::IsOpened() const {
|
|
return fd != INVALID_SOCKET;
|
|
}
|
|
|
|
void Socket::HandleProxyPacket(const ProxyPacket& packet) {
|
|
LOG_WARNING(Network, "ProxyPacket received, but not in Proxy mode!");
|
|
}
|
|
|
|
} // namespace Network
|