// 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 ---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 ---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);
}
// 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;
}
// 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::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;
}
void MyOwnPage::setConnections(){
connect(fButton,SIGNAL(pressed()),this,SLOT(lks()));
}
