88 lines
2.1 KiB
C++
88 lines
2.1 KiB
C++
// Copyright 2017 Dolphin Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "Common/QoSSession.h"
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#if defined(_WIN32)
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#include <Qos2.h>
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#pragma comment(lib, "qwave")
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#endif
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#include "Core/ConfigManager.h"
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namespace Common
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{
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#if defined(_WIN32)
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QoSSession::QoSSession(ENetPeer* peer, int tos_val) : m_peer(peer)
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{
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QOS_VERSION ver = {1, 0};
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if (!QOSCreateHandle(&ver, &m_qos_handle))
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return;
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sockaddr_in sin = {};
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sin.sin_family = AF_INET;
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sin.sin_port = ENET_HOST_TO_NET_16(peer->host->address.port);
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sin.sin_addr.s_addr = peer->host->address.host;
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if (QOSAddSocketToFlow(m_qos_handle, peer->host->socket, reinterpret_cast<PSOCKADDR>(&sin),
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QOSTrafficTypeControl, QOS_NON_ADAPTIVE_FLOW, &m_qos_flow_id))
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{
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// We shift the complete ToS value by 3 to get rid of the 3 bit ECN field
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DWORD dscp = static_cast<DWORD>(tos_val >> 3);
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// Sets DSCP to the same as Linux
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// This will fail if we're not admin, but we ignore it
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QOSSetFlow(m_qos_handle, m_qos_flow_id, QOSSetOutgoingDSCPValue, sizeof(DWORD), &dscp, 0,
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nullptr);
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m_success = true;
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}
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}
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QoSSession::~QoSSession()
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{
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if (m_qos_handle == nullptr)
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return;
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if (m_qos_flow_id != 0)
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QOSRemoveSocketFromFlow(m_qos_handle, m_peer->host->socket, m_qos_flow_id, 0);
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QOSCloseHandle(m_qos_handle);
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}
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#else
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QoSSession::QoSSession(ENetPeer* peer, int tos_val)
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{
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#if defined(__linux__)
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constexpr int priority = 7;
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setsockopt(peer->host->socket, SOL_SOCKET, SO_PRIORITY, &priority, sizeof(priority));
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#endif
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m_success = setsockopt(peer->host->socket, IPPROTO_IP, IP_TOS, &tos_val, sizeof(tos_val)) == 0;
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}
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QoSSession::~QoSSession() = default;
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#endif
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QoSSession& QoSSession::operator=(QoSSession&& session)
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{
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if (this != &session)
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{
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#if defined(_WIN32)
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m_qos_handle = session.m_qos_handle;
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m_qos_flow_id = session.m_qos_flow_id;
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m_peer = session.m_peer;
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session.m_qos_handle = nullptr;
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session.m_qos_flow_id = 0;
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session.m_peer = nullptr;
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#endif
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m_success = session.m_success;
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session.m_success = false;
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}
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return *this;
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}
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} // namespace Common
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