// called from ---NETPLAY--- thread
unsigned int NetPlayServer::OnDisconnect(sf::SocketTCP& socket)
{
PlayerId pid = m_players[socket].pid;
if (m_is_running)
{
for (PadMapping mapping : m_pad_map)
{
if (mapping == pid)
{
PanicAlertT("Client disconnect while game is running!! NetPlay is disabled. You must manually stop the game.");
std::lock_guard<std::recursive_mutex> lkg(m_crit.game);
m_is_running = false;
sf::Packet spac;
spac << (MessageId)NP_MSG_DISABLE_GAME;
// this thread doesn't need players lock
std::lock_guard<std::recursive_mutex> lks(m_crit.send);
SendToClients(spac);
break;
}
}
}
sf::Packet spac;
spac << (MessageId)NP_MSG_PLAYER_LEAVE;
spac << pid;
m_selector.Remove(socket);
std::lock_guard<std::recursive_mutex> lkp(m_crit.players);
m_players.erase(m_players.find(socket));
// alert other players of disconnect
std::lock_guard<std::recursive_mutex> lks(m_crit.send);
SendToClients(spac);
for (PadMapping& mapping : m_pad_map)
{
if (mapping == pid)
{
mapping = -1;
}
}
UpdatePadMapping();
for (PadMapping& mapping : m_wiimote_map)
{
if (mapping == pid)
{
mapping = -1;
}
}
UpdateWiimoteMapping();
return 0;
}
// called from ---NETPLAY--- thread
unsigned int NetPlayServer::OnDisconnect(const Client& player)
{
const PlayerId pid = player.pid;
if (m_is_running)
{
for (PadMapping mapping : m_pad_map)
{
if (mapping == pid && pid != 1)
{
std::lock_guard<std::recursive_mutex> lkg(m_crit.game);
m_is_running = false;
sf::Packet spac;
spac << (MessageId)NP_MSG_DISABLE_GAME;
// this thread doesn't need players lock
SendToClients(spac, static_cast<PlayerId>(-1));
break;
}
}
}
sf::Packet spac;
spac << (MessageId)NP_MSG_PLAYER_LEAVE;
spac << pid;
enet_peer_disconnect(player.socket, 0);
std::lock_guard<std::recursive_mutex> lkp(m_crit.players);
auto it = m_players.find(player.pid);
if (it != m_players.end())
m_players.erase(it);
// alert other players of disconnect
SendToClients(spac);
for (PadMapping& mapping : m_pad_map)
{
if (mapping == pid)
{
mapping = -1;
UpdatePadMapping();
}
}
for (PadMapping& mapping : m_wiimote_map)
{
if (mapping == pid)
{
mapping = -1;
UpdateWiimoteMapping();
}
}
return 0;
}
// called from ---GUI--- thread
bool NetPlayServer::StartGame(const std::string &path)
{
std::lock_guard<std::recursive_mutex> lkg(m_crit.game);
m_current_game = Common::Timer::GetTimeMs();
// no change, just update with clients
AdjustPadBufferSize(m_target_buffer_size);
// tell clients to start game
sf::Packet spac;
spac << (MessageId)NP_MSG_START_GAME;
spac << m_current_game;
spac << m_settings.m_CPUthread;
spac << m_settings.m_CPUcore;
spac << m_settings.m_DSPEnableJIT;
spac << m_settings.m_DSPHLE;
spac << m_settings.m_WriteToMemcard;
spac << m_settings.m_EXIDevice[0];
spac << m_settings.m_EXIDevice[1];
std::lock_guard<std::recursive_mutex> lkp(m_crit.players);
std::lock_guard<std::recursive_mutex> lks(m_crit.send);
SendToClients(spac);
m_is_running = true;
return true;
}
// called from ---NETPLAY--- thread
void NetPlayServer::UpdateWiimoteMapping()
{
sf::Packet spac;
spac << (MessageId)NP_MSG_WIIMOTE_MAPPING;
for (int i = 0; i < 4; i++)
spac << m_wiimote_map[i];
SendToClients(spac);
}
// called from ---GUI--- thread and ---NETPLAY--- thread
void NetPlayServer::UpdatePadMapping()
{
sf::Packet spac;
spac << (MessageId)NP_MSG_PAD_MAPPING;
for (int i = 0; i < 4; i++)
spac << m_pad_map[i];
SendToClients(spac);
}
/**
* Close the given socket if he wants to disconnect.
*/
HRESULT ACWinSock::OnDisconnect(SOCKET skDisconnecting)
{
UCHAR i=0;
if (skDisconnecting==INVALID_SOCKET)
return AC_FAIL;
if (mMode== NetModeType::NMT_Server)
{
// delete from the list of active clients
for (i=0; i<mClCount; i++)
{
if (mClients[i].skToClient == skDisconnecting)
break;
}
if (i>=mClCount)
{
Log("[ERROR] not listed client wants to be disconnected");
return AC_FAIL;
}
// shutdown and close socket
if ( shutdown(mClients[i].skToClient,0x02)==SOCKET_ERROR )
mpSockObj->LogLastWSAError("shutdown() in ACWinSock::OnDisconnect");
if ( closesocket(mClients[i].skToClient)==SOCKET_ERROR )
mpSockObj->LogLastWSAError("closesocket() in ACWinSock::OnDisconnect");
mClients[i].skToClient = INVALID_SOCKET;
// inform clients and the server about disconnect
ACPACKAGE *pPkg = (ACPACKAGE*)mBuffer;
pPkg->pData = &mBuffer[g_PkgSize];
pPkg->nLength = sizeof(UINT);
pPkg->nType = 2; // ID Msg disconnecting
pPkg->nSender = 0; // Server
memcpy(pPkg->pData, &mClients[i].nID, sizeof(UINT));
SendToClients(pPkg);
// feed msg into server msg-queue
mpSockObj->FeedByHand(pPkg);
// copy last struct to deleted field, adjust counter
memcpy(&mClients[i], &mClients[mClCount-1], sizeof(ACCLIENT));
mClCount--;
}
else
{
if ( shutdown(mpSockObj->GetSocket(),0x02)==SOCKET_ERROR )
mpSockObj->LogLastWSAError("shutdown() in ACWinSock::OnDisconnect");
if ( closesocket(mpSockObj->GetSocket())==SOCKET_ERROR )
mpSockObj->LogLastWSAError("closesocket() in ACWinSock::OnDisconnect");
}
Log("one client disconnected");
return AC_OK;
};
// called from ---NETPLAY--- thread
void NetPlayServer::UpdateWiimoteMapping()
{
sf::Packet spac;
spac << (MessageId)NP_MSG_WIIMOTE_MAPPING;
for (PadMapping mapping : m_wiimote_map)
{
spac << mapping;
}
SendToClients(spac);
}
// called from ---GUI--- thread and ---NETPLAY--- thread
void NetPlayServer::UpdatePadMapping()
{
sf::Packet spac;
spac << (MessageId)NP_MSG_PAD_MAPPING;
for (PadMapping mapping : m_pad_map)
{
spac << mapping;
}
SendToClients(spac);
}
// called from ---GUI--- thread / and ---NETPLAY--- thread
void NetPlayServer::SendChatMessage(const std::string& msg)
{
sf::Packet spac;
spac << (MessageId)NP_MSG_CHAT_MESSAGE;
spac << (PlayerId)0; // server id always 0
spac << msg;
std::lock_guard<std::recursive_mutex> lkp(m_crit.players);
std::lock_guard<std::recursive_mutex> lks(m_crit.send);
SendToClients(spac);
}
HRESULT ZFXWS::OnDisconnect( SOCKET skDisconnecting )
{
ZFXPACKET Pkt;
UCHAR i = 0;
if ( skDisconnecting == INVALID_SOCKET )
{
return ZFX_FAIL;
}
if ( m_Mode == NMD_SERVER )
{
for ( i = 0; i < m_ClCount; i++ )
{
if ( m_Clients[i].skToClient == skDisconnecting )
{
break;
}
}
if ( i > m_ClCount )
{
return ZFX_FAIL;
}
//close the socket
shutdown(m_Clients[i].skToClient, 0x02);
closesocket(m_Clients[i].skToClient);
m_Clients[i].skToClient = INVALID_SOCKET;
//inform the other clients
Pkt.pData = &m_Buffer[g_PktSize];
Pkt.nLength = sizeof(UINT);
Pkt.nType = 2;
Pkt.nSender = 0;
memcpy(Pkt.pData, &m_Clients[i].nID, sizeof(UINT));
SendToClients(&Pkt);
//copy last client to free position
memcpy(&m_Clients[i], &m_Clients[m_ClCount - 1], sizeof(ZFXCLIENT));
m_ClCount--;
}
else
{
shutdown(m_pSockObj->GetSocket(),0x02);
closesocket(m_pSockObj->GetSocket());
}
return ZFX_OK;
}
// called from ---GUI--- thread and ---NETPLAY--- thread
void NetPlayServer::AdjustPadBufferSize(unsigned int size)
{
std::lock_guard<std::recursive_mutex> lkg(m_crit.game);
m_target_buffer_size = size;
// tell clients to change buffer size
sf::Packet spac;
spac << (MessageId)NP_MSG_PAD_BUFFER;
spac << (u32)m_target_buffer_size;
std::lock_guard<std::recursive_mutex> lkp(m_crit.players);
std::lock_guard<std::recursive_mutex> lks(m_crit.send);
SendToClients(spac);
}
// called from ---GUI--- thread
bool NetPlayServer::ChangeGame(const std::string &game)
{
std::lock_guard<std::recursive_mutex> lkg(m_crit.game);
m_selected_game = game;
// send changed game to clients
sf::Packet spac;
spac << (MessageId)NP_MSG_CHANGE_GAME;
spac << game;
std::lock_guard<std::recursive_mutex> lkp(m_crit.players);
std::lock_guard<std::recursive_mutex> lks(m_crit.send);
SendToClients(spac);
return true;
}
/**
* There is someone is the queue of our server waiting to be accepted
* so do him the favor.
*/
HRESULT ACWinSock::OnAccept(void)
{
int nSize=0, nBytes=0, i=mClCount;
// maximum of 255 clients at all
if (mClCount >= 255) return AC_OUTOFMEMORY;
// application defined maximum number
if ( (mClMax > 0) && (mClCount >= mClMax) )
return AC_OUTOFMEMORY;
if (FAILED(mpSockObj->Accept( &(mClients[i].skToClient) )))
return AC_FAIL;
// SEND ITS ID TO THE NEW CLIENT:
ACPACKAGE *pPkg = (ACPACKAGE*)mBuffer;
pPkg->pData = &mBuffer[g_PkgSize];
pPkg->nLength = sizeof(UINT);
pPkg->nType = 0; // ID Msg
pPkg->nSender = 0; // Server
memcpy(pPkg->pData, &mClID, sizeof(UINT));
// add counters
mClients[i].nID = mClID;
mClCount++;
mClID++;
nSize = g_PkgSize + pPkg->nLength;
nBytes = mpSockObj->Send(mBuffer, nSize, mClients[i].skToClient);
if ( (nBytes==SOCKET_ERROR) || (nBytes<nSize) )
return AC_FAIL;
// INFORM ALL CLIENTS AND THE SERVER ABOUT THE NEW KID IN TOWN
pPkg->nType = 1;
SendToClients(pPkg);
// feed msg into server msg-queue
mpSockObj->FeedByHand(pPkg);
return AC_OK;
};
HRESULT ZFXWS::OnAccept()
{
int nSize = 0;
int nBytes = 0;
int i = m_ClCount;
if ( m_ClCount >= 255 )
{
return ZFX_OUTOFMEMORY;
}
if ( FAILED( m_pSockObj->Accept( &( m_Clients[i].skToClient ) ) ) )
{
return ZFX_FAIL;
}
//Send ID to new client
ZFXPACKET *pPkt = (ZFXPACKET*)m_Buffer;
pPkt->pData = &m_Buffer[g_PktSize];
pPkt->nLength = sizeof(UINT);
pPkt->nType = 0;
pPkt->nSender = 0;
memcpy(pPkt->pData, &m_ClID, sizeof(UINT));
//increase counter
m_Clients[i].nID = m_ClID;
m_ClCount++;
m_ClID++;
nSize = g_PktSize + pPkt->nLength;
nBytes = m_pSockObj->Send(m_Buffer, nSize, m_Clients[i].skToClient);
if ( nBytes == SOCKET_ERROR || nBytes < nSize )
{
return ZFX_FAIL;
}
//inform other clients about the new client
pPkt->nType = 1;
SendToClients(pPkt);
return ZFX_OK;
}
// called from ---NETPLAY--- thread
void NetPlayServer::ThreadFunc()
{
while (m_do_loop)
{
// update pings every so many seconds
if ((m_ping_timer.GetTimeElapsed() > (10 * 1000)) || m_update_pings)
{
//PanicAlertT("Sending pings");
m_ping_key = Common::Timer::GetTimeMs();
sf::Packet spac;
spac << (MessageId)NP_MSG_PING;
spac << m_ping_key;
std::lock_guard<std::recursive_mutex> lks(m_crit.send);
m_ping_timer.Start();
SendToClients(spac);
m_update_pings = false;
}
// check which sockets need attention
const unsigned int num = m_selector.Wait(0.01f);
for (unsigned int i=0; i<num; ++i)
{
sf::SocketTCP ready_socket = m_selector.GetSocketReady(i);
// listening socket
if (ready_socket == m_socket)
{
sf::SocketTCP accept_socket;
m_socket.Accept(accept_socket);
unsigned int error;
{
std::lock_guard<std::recursive_mutex> lkg(m_crit.game);
error = OnConnect(accept_socket);
}
if (error)
{
sf::Packet spac;
spac << (MessageId)error;
// don't need to lock, this client isn't in the client map
accept_socket.Send(spac);
// TODO: not sure if client gets the message if i close right away
accept_socket.Close();
}
}
// client socket
else
{
sf::Packet rpac;
switch (ready_socket.Receive(rpac))
{
case sf::Socket::Done :
// if a bad packet is received, disconnect the client
if (0 == OnData(rpac, ready_socket))
break;
//case sf::Socket::Disconnected :
default :
{
std::lock_guard<std::recursive_mutex> lkg(m_crit.game);
OnDisconnect(ready_socket);
break;
}
}
}
}
}
// close listening socket and client sockets
{
std::map<sf::SocketTCP, Client>::reverse_iterator
i = m_players.rbegin(),
e = m_players.rend();
for ( ; i!=e; ++i)
i->second.socket.Close();
}
return;
}
// called from ---NETPLAY--- thread
unsigned int NetPlayServer::OnData(sf::Packet& packet, sf::SocketTCP& socket)
{
MessageId mid;
packet >> mid;
// don't need lock because this is the only thread that modifies the players
// only need locks for writes to m_players in this thread
Client& player = m_players[socket];
switch (mid)
{
case NP_MSG_CHAT_MESSAGE :
{
std::string msg;
packet >> msg;
// send msg to other clients
sf::Packet spac;
spac << (MessageId)NP_MSG_CHAT_MESSAGE;
spac << player.pid;
spac << msg;
{
std::lock_guard<std::recursive_mutex> lks(m_crit.send);
SendToClients(spac, player.pid);
}
}
break;
case NP_MSG_PAD_DATA :
{
// if this is pad data from the last game still being received, ignore it
if (player.current_game != m_current_game)
break;
PadMapping map = 0;
int hi, lo;
packet >> map >> hi >> lo;
// If the data is not from the correct player,
// then disconnect them.
if (m_pad_map[map] != player.pid)
return 1;
// Relay to clients
sf::Packet spac;
spac << (MessageId)NP_MSG_PAD_DATA;
spac << map << hi << lo;
std::lock_guard<std::recursive_mutex> lks(m_crit.send);
SendToClients(spac, player.pid);
}
break;
case NP_MSG_WIIMOTE_DATA :
{
// if this is wiimote data from the last game still being received, ignore it
if (player.current_game != m_current_game)
break;
PadMapping map = 0;
u8 size;
packet >> map >> size;
u8* data = new u8[size];
for (unsigned int i = 0; i < size; ++i)
packet >> data[i];
// If the data is not from the correct player,
// then disconnect them.
if (m_wiimote_map[map] != player.pid)
{
delete[] data;
return 1;
}
// relay to clients
sf::Packet spac;
spac << (MessageId)NP_MSG_WIIMOTE_DATA;
spac << map;
spac << size;
for (unsigned int i = 0; i < size; ++i)
spac << data[i];
delete[] data;
std::lock_guard<std::recursive_mutex> lks(m_crit.send);
SendToClients(spac, player.pid);
}
break;
case NP_MSG_PONG :
{
const u32 ping = (u32)m_ping_timer.GetTimeElapsed();
u32 ping_key = 0;
packet >> ping_key;
if (m_ping_key == ping_key)
{
player.ping = ping;
}
sf::Packet spac;
spac << (MessageId)NP_MSG_PLAYER_PING_DATA;
spac << player.pid;
spac << player.ping;
std::lock_guard<std::recursive_mutex> lks(m_crit.send);
SendToClients(spac);
}
break;
case NP_MSG_START_GAME :
{
packet >> player.current_game;
}
break;
case NP_MSG_STOP_GAME:
{
// tell clients to stop game
sf::Packet spac;
spac << (MessageId)NP_MSG_STOP_GAME;
std::lock_guard<std::recursive_mutex> lkp(m_crit.players);
std::lock_guard<std::recursive_mutex> lks(m_crit.send);
SendToClients(spac);
m_is_running = false;
}
break;
default :
PanicAlertT("Unknown message with id:%d received from player:%d Kicking player!", mid, player.pid);
// unknown message, kick the client
return 1;
break;
}
return 0;
}
// called from ---NETPLAY--- thread
unsigned int NetPlayServer::OnData(sf::Packet& packet, Client& player)
{
MessageId mid;
packet >> mid;
INFO_LOG(NETPLAY, "Got client message: %x", mid);
// don't need lock because this is the only thread that modifies the players
// only need locks for writes to m_players in this thread
switch (mid)
{
case NP_MSG_CHAT_MESSAGE:
{
std::string msg;
packet >> msg;
// send msg to other clients
sf::Packet spac;
spac << (MessageId)NP_MSG_CHAT_MESSAGE;
spac << player.pid;
spac << msg;
SendToClients(spac, player.pid);
}
break;
case NP_MSG_PAD_DATA:
{
// if this is pad data from the last game still being received, ignore it
if (player.current_game != m_current_game)
break;
sf::Packet spac;
spac << static_cast<MessageId>(NP_MSG_PAD_DATA);
while (!packet.endOfPacket())
{
PadMapping map;
packet >> map;
// If the data is not from the correct player,
// then disconnect them.
if (m_pad_map.at(map) != player.pid)
{
return 1;
}
GCPadStatus pad;
packet >> pad.button >> pad.analogA >> pad.analogB >> pad.stickX >> pad.stickY >>
pad.substickX >> pad.substickY >> pad.triggerLeft >> pad.triggerRight >> pad.isConnected;
if (m_host_input_authority)
{
m_last_pad_status[map] = pad;
if (!m_first_pad_status_received[map])
{
m_first_pad_status_received[map] = true;
SendFirstReceivedToHost(map, true);
}
}
else
{
spac << map << pad.button << pad.analogA << pad.analogB << pad.stickX << pad.stickY
<< pad.substickX << pad.substickY << pad.triggerLeft << pad.triggerRight
<< pad.isConnected;
}
}
if (!m_host_input_authority)
SendToClients(spac, player.pid);
}
break;
case NP_MSG_PAD_HOST_POLL:
{
PadMapping pad_num;
packet >> pad_num;
sf::Packet spac;
spac << static_cast<MessageId>(NP_MSG_PAD_DATA);
if (pad_num < 0)
{
for (size_t i = 0; i < m_pad_map.size(); i++)
{
if (m_pad_map[i] == -1)
continue;
const GCPadStatus& pad = m_last_pad_status[i];
spac << static_cast<PadMapping>(i) << pad.button << pad.analogA << pad.analogB << pad.stickX
<< pad.stickY << pad.substickX << pad.substickY << pad.triggerLeft << pad.triggerRight
<< pad.isConnected;
}
}
else if (m_pad_map.at(pad_num) != -1)
{
const GCPadStatus& pad = m_last_pad_status[pad_num];
spac << pad_num << pad.button << pad.analogA << pad.analogB << pad.stickX << pad.stickY
<< pad.substickX << pad.substickY << pad.triggerLeft << pad.triggerRight
<< pad.isConnected;
}
SendToClients(spac);
}
break;
case NP_MSG_WIIMOTE_DATA:
{
// if this is Wiimote data from the last game still being received, ignore it
if (player.current_game != m_current_game)
break;
PadMapping map = 0;
u8 size;
packet >> map >> size;
std::vector<u8> data(size);
for (size_t i = 0; i < data.size(); ++i)
packet >> data[i];
// If the data is not from the correct player,
// then disconnect them.
if (m_wiimote_map.at(map) != player.pid)
{
return 1;
}
// relay to clients
sf::Packet spac;
spac << (MessageId)NP_MSG_WIIMOTE_DATA;
spac << map;
spac << size;
for (const u8& byte : data)
spac << byte;
SendToClients(spac, player.pid);
}
break;
case NP_MSG_PONG:
{
const u32 ping = (u32)m_ping_timer.GetTimeElapsed();
u32 ping_key = 0;
packet >> ping_key;
if (m_ping_key == ping_key)
{
player.ping = ping;
}
sf::Packet spac;
spac << (MessageId)NP_MSG_PLAYER_PING_DATA;
spac << player.pid;
spac << player.ping;
SendToClients(spac);
}
break;
case NP_MSG_START_GAME:
{
packet >> player.current_game;
}
break;
case NP_MSG_STOP_GAME:
{
if (!m_is_running)
break;
m_is_running = false;
// tell clients to stop game
sf::Packet spac;
spac << (MessageId)NP_MSG_STOP_GAME;
std::lock_guard<std::recursive_mutex> lkp(m_crit.players);
SendToClients(spac);
}
break;
case NP_MSG_GAME_STATUS:
{
u32 status;
packet >> status;
m_players[player.pid].game_status = static_cast<PlayerGameStatus>(status);
// send msg to other clients
sf::Packet spac;
spac << static_cast<MessageId>(NP_MSG_GAME_STATUS);
spac << player.pid;
spac << status;
SendToClients(spac);
}
break;
case NP_MSG_IPL_STATUS:
{
bool status;
packet >> status;
m_players[player.pid].has_ipl_dump = status;
}
break;
case NP_MSG_TIMEBASE:
{
u64 timebase = Common::PacketReadU64(packet);
u32 frame;
packet >> frame;
if (m_desync_detected)
break;
std::vector<std::pair<PlayerId, u64>>& timebases = m_timebase_by_frame[frame];
timebases.emplace_back(player.pid, timebase);
if (timebases.size() >= m_players.size())
{
// we have all records for this frame
if (!std::all_of(timebases.begin(), timebases.end(), [&](std::pair<PlayerId, u64> pair) {
return pair.second == timebases[0].second;
}))
{
int pid_to_blame = -1;
for (auto pair : timebases)
{
if (std::all_of(timebases.begin(), timebases.end(), [&](std::pair<PlayerId, u64> other) {
return other.first == pair.first || other.second != pair.second;
}))
{
// we are the only outlier
pid_to_blame = pair.first;
break;
}
}
sf::Packet spac;
spac << (MessageId)NP_MSG_DESYNC_DETECTED;
spac << pid_to_blame;
spac << frame;
SendToClients(spac);
m_desync_detected = true;
}
m_timebase_by_frame.erase(frame);
}
}
break;
case NP_MSG_MD5_PROGRESS:
{
int progress;
packet >> progress;
sf::Packet spac;
spac << static_cast<MessageId>(NP_MSG_MD5_PROGRESS);
spac << player.pid;
spac << progress;
SendToClients(spac);
}
break;
case NP_MSG_MD5_RESULT:
{
std::string result;
packet >> result;
sf::Packet spac;
spac << static_cast<MessageId>(NP_MSG_MD5_RESULT);
spac << player.pid;
spac << result;
SendToClients(spac);
}
break;
case NP_MSG_MD5_ERROR:
{
std::string error;
packet >> error;
sf::Packet spac;
spac << static_cast<MessageId>(NP_MSG_MD5_ERROR);
spac << player.pid;
spac << error;
SendToClients(spac);
}
break;
case NP_MSG_SYNC_SAVE_DATA:
{
MessageId sub_id;
packet >> sub_id;
switch (sub_id)
{
case SYNC_SAVE_DATA_SUCCESS:
{
if (m_start_pending)
{
m_save_data_synced_players++;
if (m_save_data_synced_players >= m_players.size() - 1)
{
m_dialog->AppendChat(GetStringT("All players synchronized."));
StartGame();
}
}
}
break;
case SYNC_SAVE_DATA_FAILURE:
{
m_dialog->AppendChat(
StringFromFormat(GetStringT("%s failed to synchronize.").c_str(), player.name.c_str()));
m_dialog->OnSaveDataSyncFailure();
m_start_pending = false;
}
break;
default:
PanicAlertT(
"Unknown SYNC_SAVE_DATA message with id:%d received from player:%d Kicking player!",
sub_id, player.pid);
return 1;
}
}
break;
default:
PanicAlertT("Unknown message with id:%d received from player:%d Kicking player!", mid,
player.pid);
// unknown message, kick the client
return 1;
}
return 0;
}
// called from ---NETPLAY--- thread
unsigned int NetPlayServer::OnConnect(ENetPeer* socket)
{
sf::Packet rpac;
ENetPacket* epack;
do
{
epack = enet_peer_receive(socket, nullptr);
} while (epack == nullptr);
rpac.append(epack->data, epack->dataLength);
// give new client first available id
PlayerId pid = 1;
for (auto i = m_players.begin(); i != m_players.end(); ++i)
{
if (i->second.pid == pid)
{
pid++;
i = m_players.begin();
}
}
socket->data = new PlayerId(pid);
std::string npver;
rpac >> npver;
// Dolphin netplay version
if (npver != Common::scm_rev_git_str)
return CON_ERR_VERSION_MISMATCH;
// game is currently running
if (m_is_running)
return CON_ERR_GAME_RUNNING;
// too many players
if (m_players.size() >= 255)
return CON_ERR_SERVER_FULL;
// cause pings to be updated
m_update_pings = true;
Client player;
player.pid = pid;
player.socket = socket;
rpac >> player.revision;
rpac >> player.name;
enet_packet_destroy(epack);
// try to automatically assign new user a pad
for (PadMapping& mapping : m_pad_map)
{
if (mapping == -1)
{
mapping = player.pid;
break;
}
}
// send join message to already connected clients
sf::Packet spac;
spac << static_cast<MessageId>(NP_MSG_PLAYER_JOIN);
spac << player.pid << player.name << player.revision;
SendToClients(spac);
// send new client success message with their id
spac.clear();
spac << static_cast<MessageId>(0);
spac << player.pid;
Send(player.socket, spac);
// send new client the selected game
if (m_selected_game != "")
{
spac.clear();
spac << static_cast<MessageId>(NP_MSG_CHANGE_GAME);
spac << m_selected_game;
Send(player.socket, spac);
}
if (!m_host_input_authority)
{
// send the pad buffer value
spac.clear();
spac << static_cast<MessageId>(NP_MSG_PAD_BUFFER);
spac << static_cast<u32>(m_target_buffer_size);
Send(player.socket, spac);
}
// send input authority state
spac.clear();
spac << static_cast<MessageId>(NP_MSG_HOST_INPUT_AUTHORITY);
spac << m_host_input_authority;
Send(player.socket, spac);
// sync GC SRAM with new client
if (!g_SRAM_netplay_initialized)
{
SConfig::GetInstance().m_strSRAM = File::GetUserPath(F_GCSRAM_IDX);
InitSRAM();
g_SRAM_netplay_initialized = true;
}
spac.clear();
spac << static_cast<MessageId>(NP_MSG_SYNC_GC_SRAM);
for (size_t i = 0; i < sizeof(g_SRAM) - offsetof(Sram, settings); ++i)
{
spac << g_SRAM[offsetof(Sram, settings) + i];
}
Send(player.socket, spac);
// sync values with new client
for (const auto& p : m_players)
{
spac.clear();
spac << static_cast<MessageId>(NP_MSG_PLAYER_JOIN);
spac << p.second.pid << p.second.name << p.second.revision;
Send(player.socket, spac);
spac.clear();
spac << static_cast<MessageId>(NP_MSG_GAME_STATUS);
spac << p.second.pid << static_cast<u32>(p.second.game_status);
Send(player.socket, spac);
}
if (Config::Get(Config::NETPLAY_ENABLE_QOS))
player.qos_session = Common::QoSSession(player.socket);
// add client to the player list
{
std::lock_guard<std::recursive_mutex> lkp(m_crit.players);
m_players.emplace(*(PlayerId*)player.socket->data, std::move(player));
UpdatePadMapping(); // sync pad mappings with everyone
UpdateWiimoteMapping();
}
return 0;
}
// called from ---NETPLAY--- thread
unsigned int NetPlayServer::OnConnect(sf::SocketTCP& socket)
{
sf::Packet rpac;
// TODO: make this not hang / check if good packet
socket.Receive(rpac);
std::string npver;
rpac >> npver;
// dolphin netplay version
if (npver != NETPLAY_VERSION)
return CON_ERR_VERSION_MISMATCH;
// game is currently running
if (m_is_running)
return CON_ERR_GAME_RUNNING;
// too many players
if (m_players.size() >= 255)
return CON_ERR_SERVER_FULL;
// cause pings to be updated
m_update_pings = true;
Client player;
player.socket = socket;
rpac >> player.revision;
rpac >> player.name;
// give new client first available id
player.pid = (PlayerId)(m_players.size() + 1);
// try to automatically assign new user a pad
for (PadMapping& mapping : m_pad_map)
{
if (mapping == -1)
{
mapping = player.pid;
break;
}
}
{
std::lock_guard<std::recursive_mutex> lks(m_crit.send);
// send join message to already connected clients
sf::Packet spac;
spac << (MessageId)NP_MSG_PLAYER_JOIN;
spac << player.pid << player.name << player.revision;
SendToClients(spac);
// send new client success message with their id
spac.Clear();
spac << (MessageId)0;
spac << player.pid;
socket.Send(spac);
// send new client the selected game
if (m_selected_game != "")
{
spac.Clear();
spac << (MessageId)NP_MSG_CHANGE_GAME;
spac << m_selected_game;
socket.Send(spac);
}
// send the pad buffer value
spac.Clear();
spac << (MessageId)NP_MSG_PAD_BUFFER;
spac << (u32)m_target_buffer_size;
socket.Send(spac);
// sync values with new client
for (const auto& p : m_players)
{
spac.Clear();
spac << (MessageId)NP_MSG_PLAYER_JOIN;
spac << p.second.pid << p.second.name << p.second.revision;
socket.Send(spac);
}
} // unlock send
// add client to the player list
{
std::lock_guard<std::recursive_mutex> lkp(m_crit.players);
m_players[socket] = player;
std::lock_guard<std::recursive_mutex> lks(m_crit.send);
UpdatePadMapping(); // sync pad mappings with everyone
UpdateWiimoteMapping();
}
// add client to selector/ used for receiving
m_selector.Add(socket);
return 0;
}
// called from ---NETPLAY--- thread
void NetPlayServer::ThreadFunc()
{
while (m_do_loop)
{
// update pings every so many seconds
if ((m_ping_timer.GetTimeElapsed() > 1000) || m_update_pings)
{
m_ping_key = Common::Timer::GetTimeMs();
sf::Packet spac;
spac << (MessageId)NP_MSG_PING;
spac << m_ping_key;
m_ping_timer.Start();
SendToClients(spac);
m_update_pings = false;
}
ENetEvent netEvent;
int net;
if (m_traversal_client)
m_traversal_client->HandleResends();
net = enet_host_service(m_server, &netEvent, 1000);
while (!m_async_queue.Empty())
{
{
std::lock_guard<std::recursive_mutex> lkp(m_crit.players);
SendToClients(m_async_queue.Front());
}
m_async_queue.Pop();
}
if (net > 0)
{
switch (netEvent.type)
{
case ENET_EVENT_TYPE_CONNECT:
{
ENetPeer* accept_peer = netEvent.peer;
unsigned int error;
{
std::lock_guard<std::recursive_mutex> lkg(m_crit.game);
error = OnConnect(accept_peer);
}
if (error)
{
sf::Packet spac;
spac << (MessageId)error;
// don't need to lock, this client isn't in the client map
Send(accept_peer, spac);
if (netEvent.peer->data)
{
delete (PlayerId*)netEvent.peer->data;
netEvent.peer->data = nullptr;
}
enet_peer_disconnect_later(accept_peer, 0);
}
}
break;
case ENET_EVENT_TYPE_RECEIVE:
{
sf::Packet rpac;
rpac.append(netEvent.packet->data, netEvent.packet->dataLength);
auto it = m_players.find(*(PlayerId*)netEvent.peer->data);
Client& client = it->second;
if (OnData(rpac, client) != 0)
{
// if a bad packet is received, disconnect the client
std::lock_guard<std::recursive_mutex> lkg(m_crit.game);
OnDisconnect(client);
if (netEvent.peer->data)
{
delete (PlayerId*)netEvent.peer->data;
netEvent.peer->data = nullptr;
}
}
enet_packet_destroy(netEvent.packet);
}
break;
case ENET_EVENT_TYPE_DISCONNECT:
{
std::lock_guard<std::recursive_mutex> lkg(m_crit.game);
if (!netEvent.peer->data)
break;
auto it = m_players.find(*(PlayerId*)netEvent.peer->data);
if (it != m_players.end())
{
Client& client = it->second;
OnDisconnect(client);
if (netEvent.peer->data)
{
delete (PlayerId*)netEvent.peer->data;
netEvent.peer->data = nullptr;
}
}
}
break;
default:
break;
}
}
}
// close listening socket and client sockets
for (auto& player_entry : m_players)
{
delete (PlayerId*)player_entry.second.socket->data;
player_entry.second.socket->data = nullptr;
enet_peer_disconnect(player_entry.second.socket, 0);
}
}
