forked from suyu/suyu
282 lines
8.2 KiB
C++
282 lines
8.2 KiB
C++
// Copyright 2022 yuzu emulator team
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#include <chrono>
|
|
#include <thread>
|
|
|
|
#include "common/assert.h"
|
|
#include "common/logging/log.h"
|
|
#include "core/internal_network/network.h"
|
|
#include "core/internal_network/network_interface.h"
|
|
#include "core/internal_network/socket_proxy.h"
|
|
|
|
namespace Network {
|
|
|
|
ProxySocket::ProxySocket(RoomNetwork& room_network_) noexcept : room_network{room_network_} {}
|
|
|
|
ProxySocket::ProxySocket(ProxySocket&& rhs) noexcept : room_network{rhs.room_network} {
|
|
fd = std::exchange(rhs.fd, INVALID_SOCKET);
|
|
}
|
|
|
|
ProxySocket::~ProxySocket() {
|
|
if (fd == INVALID_SOCKET) {
|
|
return;
|
|
}
|
|
fd = INVALID_SOCKET;
|
|
}
|
|
|
|
void ProxySocket::HandleProxyPacket(const ProxyPacket& packet) {
|
|
if (protocol != packet.protocol || local_endpoint.portno != packet.remote_endpoint.portno ||
|
|
closed) {
|
|
return;
|
|
}
|
|
std::lock_guard<std::mutex> guard(packets_mutex);
|
|
received_packets.push(packet);
|
|
}
|
|
|
|
template <typename T>
|
|
Errno ProxySocket::SetSockOpt(SOCKET _fd, int option, T value) {
|
|
socket_options[option] = reinterpret_cast<const char*>(&value);
|
|
return Errno::SUCCESS;
|
|
}
|
|
|
|
Errno ProxySocket::Initialize(Domain domain, Type type, Protocol socket_protocol) {
|
|
protocol = socket_protocol;
|
|
socket_options[0x1008] = reinterpret_cast<const char*>(&type);
|
|
|
|
return Errno::SUCCESS;
|
|
}
|
|
|
|
std::pair<ProxySocket::AcceptResult, Errno> ProxySocket::Accept() {
|
|
LOG_WARNING(Network, "(STUBBED) called");
|
|
return {AcceptResult{}, Errno::SUCCESS};
|
|
}
|
|
|
|
Errno ProxySocket::Connect(SockAddrIn addr_in) {
|
|
LOG_WARNING(Network, "(STUBBED) called");
|
|
return Errno::SUCCESS;
|
|
}
|
|
|
|
std::pair<SockAddrIn, Errno> ProxySocket::GetPeerName() {
|
|
LOG_WARNING(Network, "(STUBBED) called");
|
|
return {SockAddrIn{}, Errno::SUCCESS};
|
|
}
|
|
|
|
std::pair<SockAddrIn, Errno> ProxySocket::GetSockName() {
|
|
LOG_WARNING(Network, "(STUBBED) called");
|
|
return {SockAddrIn{}, Errno::SUCCESS};
|
|
}
|
|
|
|
Errno ProxySocket::Bind(SockAddrIn addr) {
|
|
if (is_bound) {
|
|
LOG_WARNING(Network, "Rebinding Socket is unimplemented!");
|
|
return Errno::SUCCESS;
|
|
}
|
|
local_endpoint = addr;
|
|
is_bound = true;
|
|
|
|
return Errno::SUCCESS;
|
|
}
|
|
|
|
Errno ProxySocket::Listen(s32 backlog) {
|
|
LOG_WARNING(Network, "(STUBBED) called");
|
|
return Errno::SUCCESS;
|
|
}
|
|
|
|
Errno ProxySocket::Shutdown(ShutdownHow how) {
|
|
LOG_WARNING(Network, "(STUBBED) called");
|
|
return Errno::SUCCESS;
|
|
}
|
|
|
|
std::pair<s32, Errno> ProxySocket::Recv(int flags, std::vector<u8>& message) {
|
|
LOG_WARNING(Network, "(STUBBED) called");
|
|
ASSERT(flags == 0);
|
|
ASSERT(message.size() < static_cast<size_t>(std::numeric_limits<int>::max()));
|
|
|
|
return {static_cast<s32>(0), Errno::SUCCESS};
|
|
}
|
|
|
|
std::pair<s32, Errno> ProxySocket::RecvFrom(int flags, std::vector<u8>& message, SockAddrIn* addr) {
|
|
ASSERT(flags == 0);
|
|
ASSERT(message.size() < static_cast<size_t>(std::numeric_limits<int>::max()));
|
|
|
|
{
|
|
std::lock_guard<std::mutex> guard(packets_mutex);
|
|
if (received_packets.size() > 0) {
|
|
return ReceivePacket(flags, message, addr, message.size());
|
|
}
|
|
}
|
|
|
|
if (blocking) {
|
|
if (receive_timeout > 0) {
|
|
std::this_thread::sleep_for(std::chrono::milliseconds(receive_timeout));
|
|
}
|
|
} else {
|
|
return {-1, Errno::AGAIN};
|
|
}
|
|
|
|
std::lock_guard<std::mutex> guard(packets_mutex);
|
|
if (received_packets.size() > 0) {
|
|
return ReceivePacket(flags, message, addr, message.size());
|
|
}
|
|
|
|
return {-1, Errno::TIMEDOUT};
|
|
}
|
|
|
|
std::pair<s32, Errno> ProxySocket::ReceivePacket(int flags, std::vector<u8>& message,
|
|
SockAddrIn* addr, std::size_t max_length) {
|
|
ProxyPacket& packet = received_packets.front();
|
|
if (addr) {
|
|
addr->family = Domain::INET;
|
|
addr->ip = packet.local_endpoint.ip; // The senders ip address
|
|
addr->portno = packet.local_endpoint.portno; // The senders port number
|
|
}
|
|
|
|
bool peek = (flags & FLAG_MSG_PEEK) != 0;
|
|
std::size_t read_bytes;
|
|
if (packet.data.size() > max_length) {
|
|
read_bytes = max_length;
|
|
message.clear();
|
|
std::copy(packet.data.begin(), packet.data.begin() + read_bytes,
|
|
std::back_inserter(message));
|
|
message.resize(max_length);
|
|
|
|
if (protocol == Protocol::UDP) {
|
|
if (!peek) {
|
|
received_packets.pop();
|
|
}
|
|
return {-1, Errno::MSGSIZE};
|
|
} else if (protocol == Protocol::TCP) {
|
|
std::vector<u8> numArray(packet.data.size() - max_length);
|
|
std::copy(packet.data.begin() + max_length, packet.data.end(),
|
|
std::back_inserter(numArray));
|
|
packet.data = numArray;
|
|
}
|
|
} else {
|
|
read_bytes = packet.data.size();
|
|
message.clear();
|
|
std::copy(packet.data.begin(), packet.data.end(), std::back_inserter(message));
|
|
message.resize(max_length);
|
|
if (!peek) {
|
|
received_packets.pop();
|
|
}
|
|
}
|
|
|
|
return {static_cast<u32>(read_bytes), Errno::SUCCESS};
|
|
}
|
|
|
|
std::pair<s32, Errno> ProxySocket::Send(const std::vector<u8>& message, int flags) {
|
|
LOG_WARNING(Network, "(STUBBED) called");
|
|
ASSERT(message.size() < static_cast<size_t>(std::numeric_limits<int>::max()));
|
|
ASSERT(flags == 0);
|
|
|
|
return {static_cast<s32>(0), Errno::SUCCESS};
|
|
}
|
|
|
|
void ProxySocket::SendPacket(ProxyPacket& packet) {
|
|
if (auto room_member = room_network.GetRoomMember().lock()) {
|
|
if (room_member->IsConnected()) {
|
|
room_member->SendProxyPacket(packet);
|
|
}
|
|
}
|
|
}
|
|
|
|
std::pair<s32, Errno> ProxySocket::SendTo(u32 flags, const std::vector<u8>& message,
|
|
const SockAddrIn* addr) {
|
|
ASSERT(flags == 0);
|
|
|
|
if (!is_bound) {
|
|
LOG_ERROR(Network, "ProxySocket is not bound!");
|
|
return {static_cast<s32>(message.size()), Errno::SUCCESS};
|
|
}
|
|
|
|
if (auto room_member = room_network.GetRoomMember().lock()) {
|
|
if (!room_member->IsConnected()) {
|
|
return {static_cast<s32>(message.size()), Errno::SUCCESS};
|
|
}
|
|
}
|
|
|
|
ProxyPacket packet;
|
|
packet.local_endpoint = local_endpoint;
|
|
packet.remote_endpoint = *addr;
|
|
packet.protocol = protocol;
|
|
packet.broadcast = broadcast;
|
|
|
|
auto& ip = local_endpoint.ip;
|
|
auto ipv4 = Network::GetHostIPv4Address();
|
|
// If the ip is all zeroes (INADDR_ANY) or if it matches the hosts ip address,
|
|
// replace it with a "fake" routing address
|
|
if (std::all_of(ip.begin(), ip.end(), [](u8 i) { return i == 0; }) || (ipv4 && ipv4 == ip)) {
|
|
if (auto room_member = room_network.GetRoomMember().lock()) {
|
|
packet.local_endpoint.ip = room_member->GetFakeIpAddress();
|
|
}
|
|
}
|
|
|
|
packet.data.clear();
|
|
std::copy(message.begin(), message.end(), std::back_inserter(packet.data));
|
|
|
|
SendPacket(packet);
|
|
|
|
return {static_cast<s32>(message.size()), Errno::SUCCESS};
|
|
}
|
|
|
|
Errno ProxySocket::Close() {
|
|
fd = INVALID_SOCKET;
|
|
closed = true;
|
|
|
|
return Errno::SUCCESS;
|
|
}
|
|
|
|
Errno ProxySocket::SetLinger(bool enable, u32 linger) {
|
|
struct Linger {
|
|
u16 linger_enable;
|
|
u16 linger_time;
|
|
} values;
|
|
values.linger_enable = enable ? 1 : 0;
|
|
values.linger_time = static_cast<u16>(linger);
|
|
|
|
return SetSockOpt(fd, SO_LINGER, values);
|
|
}
|
|
|
|
Errno ProxySocket::SetReuseAddr(bool enable) {
|
|
return SetSockOpt<u32>(fd, SO_REUSEADDR, enable ? 1 : 0);
|
|
}
|
|
|
|
Errno ProxySocket::SetBroadcast(bool enable) {
|
|
broadcast = enable;
|
|
return SetSockOpt<u32>(fd, SO_BROADCAST, enable ? 1 : 0);
|
|
}
|
|
|
|
Errno ProxySocket::SetSndBuf(u32 value) {
|
|
return SetSockOpt(fd, SO_SNDBUF, value);
|
|
}
|
|
|
|
Errno ProxySocket::SetKeepAlive(bool enable) {
|
|
return Errno::SUCCESS;
|
|
}
|
|
|
|
Errno ProxySocket::SetRcvBuf(u32 value) {
|
|
return SetSockOpt(fd, SO_RCVBUF, value);
|
|
}
|
|
|
|
Errno ProxySocket::SetSndTimeo(u32 value) {
|
|
send_timeout = value;
|
|
return SetSockOpt(fd, SO_SNDTIMEO, static_cast<int>(value));
|
|
}
|
|
|
|
Errno ProxySocket::SetRcvTimeo(u32 value) {
|
|
receive_timeout = value;
|
|
return SetSockOpt(fd, SO_RCVTIMEO, static_cast<int>(value));
|
|
}
|
|
|
|
Errno ProxySocket::SetNonBlock(bool enable) {
|
|
blocking = !enable;
|
|
return Errno::SUCCESS;
|
|
}
|
|
|
|
bool ProxySocket::IsOpened() const {
|
|
return fd != INVALID_SOCKET;
|
|
}
|
|
|
|
} // namespace Network
|