mirror of
https://github.com/yuzu-emu/yuzu-android
synced 2024-12-29 07:21:20 -08:00
6b7320add4
Follows the video core PR. fmt doesn't require casts for enum classes anymore, so we can remove quite a few casts.
655 lines
17 KiB
C++
655 lines
17 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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#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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#ifdef _WIN32
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#define _WINSOCK_DEPRECATED_NO_WARNINGS // gethostname
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#include <winsock2.h>
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#elif YUZU_UNIX
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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 "core/network/network.h"
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#include "core/network/sockets.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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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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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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int LastError() {
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return WSAGetLastError();
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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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#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 INVALID_SOCKET = -1;
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constexpr SOCKET SOCKET_ERROR = -1;
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constexpr int WSAEWOULDBLOCK = EAGAIN;
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constexpr int WSAENOTCONN = ENOTCONN;
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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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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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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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int LastError() {
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return errno;
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}
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bool EnableNonBlock(int fd, bool enable) {
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int flags = fcntl(fd, F_GETFD);
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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_SETFD, flags) == 0;
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}
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#endif
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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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u16 TranslatePollEvents(u32 events) {
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u32 result = 0;
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if ((events & POLL_IN) != 0) {
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events &= ~POLL_IN;
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result |= POLLIN;
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}
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if ((events & POLL_PRI) != 0) {
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events &= ~POLL_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 |= POLL_PRI;
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#endif
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}
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if ((events & POLL_OUT) != 0) {
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events &= ~POLL_OUT;
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result |= POLLOUT;
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}
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UNIMPLEMENTED_IF_MSG(events != 0, "Unhandled guest events=0x{:x}", events);
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return static_cast<u16>(result);
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}
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u16 TranslatePollRevents(u32 revents) {
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u32 result = 0;
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const auto translate = [&result, &revents](u32 host, u32 guest) {
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if ((revents & host) != 0) {
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revents &= ~host;
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result |= guest;
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}
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};
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translate(POLLIN, POLL_IN);
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translate(POLLPRI, POLL_PRI);
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translate(POLLOUT, POLL_OUT);
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translate(POLLERR, POLL_ERR);
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translate(POLLHUP, POLL_HUP);
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UNIMPLEMENTED_IF_MSG(revents != 0, "Unhandled host revents=0x{:x}", revents);
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return static_cast<u16>(result);
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}
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template <typename T>
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Errno 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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const int ec = LastError();
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UNREACHABLE_MSG("Unhandled host socket error={}", ec);
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return Errno::SUCCESS;
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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::pair<IPv4Address, Errno> GetHostIPv4Address() {
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std::array<char, 256> name{};
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if (gethostname(name.data(), static_cast<int>(name.size()) - 1) == SOCKET_ERROR) {
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UNIMPLEMENTED_MSG("Unhandled gethostname error");
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return {IPv4Address{}, Errno::SUCCESS};
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}
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hostent* const ent = gethostbyname(name.data());
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if (!ent) {
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UNIMPLEMENTED_MSG("Unhandled gethostbyname error");
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return {IPv4Address{}, Errno::SUCCESS};
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}
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if (ent->h_addr_list == nullptr) {
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UNIMPLEMENTED_MSG("No addr provided in hostent->h_addr_list");
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return {IPv4Address{}, Errno::SUCCESS};
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}
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if (ent->h_length != sizeof(in_addr)) {
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UNIMPLEMENTED_MSG("Unexpected size={} in hostent->h_length", ent->h_length);
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}
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in_addr addr;
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std::memcpy(&addr, ent->h_addr_list[0], sizeof(addr));
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return {TranslateIPv4(addr), Errno::SUCCESS};
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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->fd;
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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(static_cast<u32>(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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const int ec = LastError();
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UNREACHABLE_MSG("Unhandled host socket error={}", ec);
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return {-1, Errno::SUCCESS};
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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 : fd{std::exchange(rhs.fd, INVALID_SOCKET)} {}
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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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const int ec = LastError();
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UNREACHABLE_MSG("Unhandled host socket error={}", ec);
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return Errno::SUCCESS;
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}
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std::pair<Socket::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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const int ec = LastError();
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UNREACHABLE_MSG("Unhandled host socket error={}", ec);
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return {AcceptResult{}, Errno::SUCCESS};
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}
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AcceptResult result;
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result.socket = std::make_unique<Socket>();
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result.socket->fd = new_socket;
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ASSERT(addrlen == sizeof(sockaddr_in));
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result.sockaddr_in = TranslateToSockAddrIn(addr);
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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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switch (const int ec = LastError()) {
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case WSAEWOULDBLOCK:
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LOG_DEBUG(Service, "EAGAIN generated");
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return Errno::AGAIN;
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default:
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UNREACHABLE_MSG("Unhandled host socket error={}", ec);
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return Errno::SUCCESS;
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}
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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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const int ec = LastError();
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UNREACHABLE_MSG("Unhandled host socket error={}", ec);
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return {SockAddrIn{}, Errno::SUCCESS};
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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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const int ec = LastError();
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UNREACHABLE_MSG("Unhandled host socket error={}", ec);
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return {SockAddrIn{}, Errno::SUCCESS};
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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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const int ec = LastError();
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UNREACHABLE_MSG("Unhandled host socket error={}", ec);
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return Errno::SUCCESS;
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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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const int ec = LastError();
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UNREACHABLE_MSG("Unhandled host socket error={}", ec);
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return Errno::SUCCESS;
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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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switch (const int ec = LastError()) {
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case WSAENOTCONN:
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LOG_ERROR(Service, "ENOTCONN generated");
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return Errno::NOTCONN;
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default:
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UNREACHABLE_MSG("Unhandled host socket error={}", ec);
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return Errno::SUCCESS;
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}
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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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switch (const int ec = LastError()) {
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case WSAEWOULDBLOCK:
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LOG_DEBUG(Service, "EAGAIN generated");
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return {-1, Errno::AGAIN};
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case WSAENOTCONN:
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LOG_ERROR(Service, "ENOTCONN generated");
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return {-1, Errno::NOTCONN};
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default:
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UNREACHABLE_MSG("Unhandled host socket error={}", ec);
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return {0, Errno::SUCCESS};
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}
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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);
|
|
socklen_t* const p_addrlen = addr ? &addrlen : nullptr;
|
|
sockaddr* const p_addr_in = addr ? &addr_in : nullptr;
|
|
|
|
const auto result = recvfrom(fd, reinterpret_cast<char*>(message.data()),
|
|
static_cast<int>(message.size()), 0, p_addr_in, p_addrlen);
|
|
if (result != SOCKET_ERROR) {
|
|
if (addr) {
|
|
ASSERT(addrlen == sizeof(addr_in));
|
|
*addr = TranslateToSockAddrIn(addr_in);
|
|
}
|
|
return {static_cast<s32>(result), Errno::SUCCESS};
|
|
}
|
|
|
|
switch (const int ec = LastError()) {
|
|
case WSAEWOULDBLOCK:
|
|
LOG_DEBUG(Service, "EAGAIN generated");
|
|
return {-1, Errno::AGAIN};
|
|
case WSAENOTCONN:
|
|
LOG_ERROR(Service, "ENOTCONN generated");
|
|
return {-1, Errno::NOTCONN};
|
|
default:
|
|
UNREACHABLE_MSG("Unhandled host socket error={}", ec);
|
|
return {-1, Errno::SUCCESS};
|
|
}
|
|
}
|
|
|
|
std::pair<s32, Errno> Socket::Send(const std::vector<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};
|
|
}
|
|
|
|
const int ec = LastError();
|
|
switch (ec) {
|
|
case WSAEWOULDBLOCK:
|
|
LOG_DEBUG(Service, "EAGAIN generated");
|
|
return {-1, Errno::AGAIN};
|
|
case WSAENOTCONN:
|
|
LOG_ERROR(Service, "ENOTCONN generated");
|
|
return {-1, Errno::NOTCONN};
|
|
default:
|
|
UNREACHABLE_MSG("Unhandled host socket error={}", ec);
|
|
return {-1, Errno::SUCCESS};
|
|
}
|
|
}
|
|
|
|
std::pair<s32, Errno> Socket::SendTo(u32 flags, const std::vector<u8>& message,
|
|
const SockAddrIn* addr) {
|
|
ASSERT(flags == 0);
|
|
|
|
const sockaddr* to = nullptr;
|
|
const int tolen = addr ? 0 : sizeof(sockaddr);
|
|
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, tolen);
|
|
if (result != SOCKET_ERROR) {
|
|
return {static_cast<s32>(result), Errno::SUCCESS};
|
|
}
|
|
|
|
const int ec = LastError();
|
|
UNREACHABLE_MSG("Unhandled host socket error={}", ec);
|
|
return {-1, Errno::SUCCESS};
|
|
}
|
|
|
|
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::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;
|
|
}
|
|
const int ec = LastError();
|
|
UNREACHABLE_MSG("Unhandled host socket error={}", ec);
|
|
return Errno::SUCCESS;
|
|
}
|
|
|
|
bool Socket::IsOpened() const {
|
|
return fd != INVALID_SOCKET;
|
|
}
|
|
|
|
} // namespace Network
|