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refs #241 FS9 fake clients
This commit is contained in:
Roland Winklmeier
284
src/plugins/simulator/fs9/fs9_client.cpp
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284
src/plugins/simulator/fs9/fs9_client.cpp
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/* Copyright (C) 2014
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* swift project community / contributors
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*
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* This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
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* directory of this distribution and at http://www.swift-project.org/license.html. No part of Swift Project,
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* including this file, may be copied, modified, propagated, or distributed except according to the terms
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* contained in the LICENSE file.
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*/
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#define _CRT_SECURE_NO_WARNINGS
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#include "fs9_client.h"
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#include "multiplayer_packets.h"
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#include "multiplayer_packet_parser.h"
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#include "blacksimplugin_freefunctions.h"
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#include "blackmisc/avaircraftsituation.h"
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#include "blackmisc/coordinategeodetic.h"
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#include <QScopedArrayPointer>
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using namespace BlackMisc::Aviation;
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using namespace BlackMisc::PhysicalQuantities;
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namespace BlackSimPlugin
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{
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namespace Fs9
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{
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CFs9Client::CFs9Client(const QString &callsign, const CTime &updateInterval, QObject *parent) :
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CDirectPlayPeer(callsign, parent),
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m_updateInterval(updateInterval),
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m_callbackWrapper(this, &CFs9Client::directPlayMessageHandler)
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{
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}
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CFs9Client::~CFs9Client()
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{
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if(m_hostAddress) m_hostAddress->Release();
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m_hostAddress = nullptr;
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}
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void CFs9Client::init()
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{
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initDirectPlay();
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createDeviceAddress();
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enumDirectPlayHosts();
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connectToSession(m_callsign);
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}
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void CFs9Client::sendTextMessage(const QString &textMessage)
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{
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MPChatText mpChatText;
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mpChatText.chat_data = textMessage;
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QByteArray message;
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MultiPlayerPacketParser::writeType(message, CFs9Sdk::MPCHAT_PACKET_ID_CHAT_TEXT_SEND);
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MultiPlayerPacketParser::writeSize(message, mpChatText.chat_data.size() + 1);
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message = MultiPlayerPacketParser::writeMessage(message, mpChatText);
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sendMessage(message);
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}
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void CFs9Client::disconnectFrom()
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{
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qDebug() << "Disconnecting...";
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killTimer(m_timerId);
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closeConnection();
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}
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void CFs9Client::addAircraftSituation(const CAircraftSituation &situation)
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{
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QMutexLocker locker(&m_mutexInterpolator);
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m_interpolator.addAircraftSituation(situation);
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}
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void CFs9Client::timerEvent(QTimerEvent * /*event*/)
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{
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if (m_clientStatus == Disconnected) return;
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QMutexLocker locker(&m_mutexInterpolator);
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if (m_interpolator.getTimeOfLastReceivedSituation().secsTo(QDateTime::currentDateTimeUtc()) > 15)
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{
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emit clientTimedOut(m_callsign);
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return;
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}
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if (m_interpolator.hasEnoughAircraftSituations())
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{
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CAircraftSituation situation = m_interpolator.getCurrentSituation();
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MPPositionVelocity positioneVelocity = aircraftSituationtoFS9(m_lastAircraftSituation,
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situation,
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m_updateInterval.value(CTimeUnit::s()));
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QByteArray positionMessage;
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MultiPlayerPacketParser::writeType(positionMessage, CFs9Sdk::MULTIPLAYER_PACKET_ID_POSITION_VELOCITY);
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MultiPlayerPacketParser::writeSize(positionMessage, 52);
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positioneVelocity.packet_index = m_packetIndex;
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++m_packetIndex;
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positionMessage = MultiPlayerPacketParser::writeMessage(positionMessage, positioneVelocity);
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sendMessage(positionMessage);
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m_lastAircraftSituation = situation;
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}
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}
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HRESULT CFs9Client::enumDirectPlayHosts()
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{
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HRESULT hr = S_OK;
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if( FAILED( hr = createHostAddress() ) )
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{
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qWarning() << "Failed to create host address!";
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return hr;
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}
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// Now set up the Application Description
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DPN_APPLICATION_DESC dpAppDesc;
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ZeroMemory(&dpAppDesc, sizeof(DPN_APPLICATION_DESC));
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dpAppDesc.dwSize = sizeof(DPN_APPLICATION_DESC);
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dpAppDesc.guidApplication = CFs9Sdk::guid();
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// We now have the host address so lets enum
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if( FAILED( hr = m_directPlayPeer->EnumHosts(&dpAppDesc, // pApplicationDesc
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m_hostAddress, // pdpaddrHost
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m_deviceAddress, // pdpaddrDeviceInfo
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nullptr, 0, // pvUserEnumData, size
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0, // dwEnumCount
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0, // dwRetryInterval
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0, // dwTimeOut
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nullptr, // pvUserContext
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nullptr, // pAsyncHandle
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DPNENUMHOSTS_SYNC ) ) ) // dwFlags
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{
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qWarning() << "Failed to enum hosts!";
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return hr;
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}
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return hr;
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}
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HRESULT CFs9Client::createHostAddress()
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{
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HRESULT hr = S_OK;
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// Create our IDirectPlay8Address Host Address
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if( FAILED( hr = CoCreateInstance(CLSID_DirectPlay8Address, nullptr,
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CLSCTX_INPROC_SERVER,
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IID_IDirectPlay8Address,
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reinterpret_cast<void **>(&m_hostAddress) ) ) )
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{
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qWarning() << "Failed to create DirectPlay8Address!";
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return hr;
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}
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// Set the SP for our Host Address
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if( FAILED( hr = m_hostAddress->SetSP(&CLSID_DP8SP_TCPIP ) ) )
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{
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qWarning() << "Failed to set SP!";
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return hr;
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}
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// FIXME: Test if this is also working via network or if we have to use the IP address
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const wchar_t hostname[] = L"localhost";
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// Set the hostname into the address
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if( FAILED( hr = m_hostAddress->AddComponent(DPNA_KEY_HOSTNAME, hostname,
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2*(wcslen(hostname) + 1), /*bytes*/
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DPNA_DATATYPE_STRING ) ) )
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{
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qWarning() << "Failed to add component!";
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return hr;
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}
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return hr;
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}
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HRESULT CFs9Client::connectToSession(const QString &callsign)
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{
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HRESULT hr = S_OK;
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if(m_clientStatus == Connected) return hr;
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DPN_APPLICATION_DESC dpAppDesc;
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QMutexLocker locker(&m_mutexHostList);
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if (m_hostNodeList.size() == 0)
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{
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qWarning() << "Host node list is empty!";
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return E_FAIL;
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}
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CHostNode hostNode = m_hostNodeList.first();
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if (!hostNode.getHostAddress())
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{
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qWarning() << "Host address is invalid!";
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return E_FAIL;
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}
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QScopedArrayPointer<wchar_t> wszPlayername(new wchar_t[callsign.size() + 1]);
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callsign.toWCharArray(wszPlayername.data());
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wszPlayername[callsign.size()] = 0;
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PLAYER_INFO_STRUCT playerInfo;
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ZeroMemory(&playerInfo, sizeof (PLAYER_INFO_STRUCT) );
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strcpy (playerInfo.szAircraft, "Boeing 737-400 Paint1");
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playerInfo.dwFlags = 6;
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// Prepare and set the player information structure.
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DPN_PLAYER_INFO player;
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ZeroMemory( &player, sizeof( DPN_PLAYER_INFO ) );
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player.dwSize = sizeof( DPN_PLAYER_INFO );
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player.pvData = &playerInfo;
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player.dwDataSize = sizeof( PLAYER_INFO_STRUCT );
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player.dwInfoFlags = DPNINFO_NAME | DPNINFO_DATA;
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player.pwszName = wszPlayername.data();
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if( FAILED( hr = m_directPlayPeer->SetPeerInfo( &player, nullptr, nullptr, DPNSETPEERINFO_SYNC ) ) )
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{
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qWarning() << "Failed to set peer info!";
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return hr;
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}
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// Now set up the Application Description
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ZeroMemory(&dpAppDesc, sizeof(DPN_APPLICATION_DESC));
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dpAppDesc.dwSize = sizeof(DPN_APPLICATION_DESC);
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dpAppDesc.guidApplication = CFs9Sdk::guid();
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IDirectPlay8Address *hostAddress = nullptr;
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if FAILED( hr = hostNode.getHostAddress()->Duplicate(&hostAddress))
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{
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qWarning() << "Failed to duplocate host address!";
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return hr;
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}
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// We are now ready to host the app
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if( FAILED( hr = m_directPlayPeer->Connect( &dpAppDesc, // AppDesc
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hostAddress,
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m_deviceAddress,
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nullptr,
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nullptr,
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nullptr, 0,
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nullptr,
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nullptr,
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nullptr,
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DPNCONNECT_SYNC ) ) )
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{
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qWarning() << "Failed to connect to host!";
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return hr;
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}
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MPChangePlayerPlane mpChangePlayerPlane;
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mpChangePlayerPlane.engine = CFs9Sdk::ENGINE_TYPE_JET;
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mpChangePlayerPlane.aircraft_name = "Boeing 737-400";
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QByteArray message;
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MultiPlayerPacketParser::writeType(message, CFs9Sdk::MULTIPLAYER_PACKET_ID_CHANGE_PLAYER_PLANE);
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MultiPlayerPacketParser::writeSize(message, mpChangePlayerPlane.aircraft_name.size() + 1);
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message = MultiPlayerPacketParser::writeMessage(message, mpChangePlayerPlane);
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sendMessage(message);
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m_timerId = startTimer(m_updateInterval.value(CTimeUnit::ms()));
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m_clientStatus = Connected;
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emit statusChanged(m_clientStatus);
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return hr;
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}
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HRESULT CFs9Client::closeConnection()
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{
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HRESULT hr = S_OK;
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if (m_clientStatus == Disconnected) return hr;
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qDebug() << "Closing connection for " << m_callsign;
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if( FAILED( hr = m_directPlayPeer->Close(0) ))
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{
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qWarning() << "Failed to close connection!";
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}
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m_clientStatus = Disconnected;
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emit statusChanged(m_clientStatus);
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return hr;
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}
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}
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}
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110
src/plugins/simulator/fs9/fs9_client.h
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110
src/plugins/simulator/fs9/fs9_client.h
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@@ -0,0 +1,110 @@
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/* Copyright (C) 2014
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* swift project community / contributors
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||||
*
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* This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
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* directory of this distribution and at http://www.swift-project.org/license.html. No part of Swift Project,
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* including this file, may be copied, modified, propagated, or distributed except according to the terms
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* contained in the LICENSE file.
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*/
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#ifndef DIRECTPLAY_CLIENT_H
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#define DIRECTPLAY_CLIENT_H
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#include "directplay_peer.h"
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#include "blackcore/interpolator_linear.h"
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#include "blackmisc/avaircraftsituation.h"
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#include "blackmisc/pqtime.h"
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#include <QMutex>
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#include <QScopedPointer>
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//! \file
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namespace BlackSimPlugin
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{
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namespace Fs9
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{
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//! Class faking a FS9 multiplayer client connection
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class CFs9Client : public CDirectPlayPeer
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{
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Q_OBJECT
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public:
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//! Connection status
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enum ClientStatus
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{
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Connected,
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Disconnected
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};
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//! Constructor
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CFs9Client(const QString &callsign, const BlackMisc::PhysicalQuantities::CTime &updateInterval,
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QObject *parent = nullptr);
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//! Destructor
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virtual ~CFs9Client();
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//! Add new aircraft situation
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void addAircraftSituation(const BlackMisc::Aviation::CAircraftSituation &situation);
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public slots:
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//! \copydoc CDirectPlayPeer::init
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virtual void init() override;
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//! Send new text message
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void sendTextMessage(const QString &textMessage);
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//! Disconnect client from session
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void disconnectFrom();
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signals:
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//! Client timed out
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void clientTimedOut(const QString &callsign);
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//! Client status changed
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void statusChanged(CFs9Client::ClientStatus);
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protected slots:
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//! Timer event slot
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virtual void timerEvent(QTimerEvent *event) override;
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private:
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/*!
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* Enumerate all FS9 session hosts
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* \todo Ideally host enumeration is required only once (if ever).
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* Move this into its own class with a static member host address.
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*/
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HRESULT enumDirectPlayHosts();
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HRESULT createHostAddress();
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//! Start hosting session
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HRESULT connectToSession(const QString &playername);
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HRESULT closeConnection();
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BlackMisc::Aviation::CAircraftSituation m_lastAircraftSituation;
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BlackMisc::PhysicalQuantities::CTime m_updateInterval;
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BlackCore::CInterpolatorLinear m_interpolator;
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int m_timerId = 0;
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QMutex m_mutexInterpolator;
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IDirectPlay8Address *m_hostAddress = nullptr;
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ClientStatus m_clientStatus = Disconnected;
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typedef CallbackWrapper<CFs9Client, HRESULT, DWORD, void *> TCallbackWrapper;
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TCallbackWrapper m_callbackWrapper;
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};
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}
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}
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Q_DECLARE_METATYPE(BlackSimPlugin::Fs9::CFs9Client::ClientStatus)
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#endif // DIRECTPLAY_CLIENT_H
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