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84 lines
2.1 KiB
C++
84 lines
2.1 KiB
C++
// Copyright 2015 Dolphin Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "Common/ENet.h"
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#include "Common/CommonTypes.h"
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#include "Common/Logging/Log.h"
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namespace Common::ENet
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{
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void WakeupThread(ENetHost* host)
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{
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// Send ourselves a spurious message. This is hackier than it should be.
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// comex reported this as https://github.com/lsalzman/enet/issues/23, so
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// hopefully there will be a better way to do it in the future.
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ENetAddress address;
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if (host->address.port != 0)
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address.port = host->address.port;
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else
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enet_socket_get_address(host->socket, &address);
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address.host = in6addr_loopback; // localhost or ::1
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u8 byte = 0;
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ENetBuffer buf;
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buf.data = &byte;
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buf.dataLength = 1;
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enet_socket_send(host->socket, &address, &buf, 1);
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}
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int ENET_CALLBACK InterceptCallback(ENetHost* host, ENetEvent* event)
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{
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// wakeup packet received
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if (host->receivedDataLength == 1 && host->receivedData[0] == 0)
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{
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event->type = static_cast<ENetEventType>(SKIPPABLE_EVENT);
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return 1;
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}
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return 0;
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}
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bool SendPacket(ENetPeer* socket, const sf::Packet& packet, u8 channel_id)
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{
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if (!socket)
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{
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ERROR_LOG_FMT(NETPLAY, "Target socket is null.");
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return false;
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}
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ENetPacket* epac =
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enet_packet_create(packet.getData(), packet.getDataSize(), ENET_PACKET_FLAG_RELIABLE);
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if (!epac)
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{
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ERROR_LOG_FMT(NETPLAY, "Failed to create ENetPacket ({} bytes).", packet.getDataSize());
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return false;
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}
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const int result = enet_peer_send(socket, channel_id, epac);
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if (result != 0)
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{
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ERROR_LOG_FMT(NETPLAY, "Failed to send ENetPacket (error code {}).", result);
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return false;
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}
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return true;
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}
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std::optional<in6_addr> AddressFromString(const std::string& addr_str)
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{
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in6_addr addr;
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memset(&addr, 0, sizeof(in6_addr));
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if (!inet_pton(AF_INET6, addr_str.c_str(), &addr))
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{
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in_addr addr_v4;
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if (!inet_pton(AF_INET, addr_str.c_str(), &addr_v4)) {
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return {};
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}
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u32 v6_mapped_addr[4] = {0, 0, htonl(0x0000ffff), *reinterpret_cast<u32*>(&addr_v4)};
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memcpy(&addr, v6_mapped_addr, sizeof(in6_addr));
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}
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return addr;
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}
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} // namespace Common::ENet
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