// called from ---CPU--- thread
void NetPlay::WiimoteUpdate(int _number)
{
{
std::lock_guard<std::recursive_mutex> lkp(m_crit.players);
// in game mapping for this local wiimote
unsigned int in_game_num = m_local_player->pad_map[_number]; // just using gc pad_map for now
// does this local pad map in game?
if (in_game_num < 4)
{
m_wiimote_buffer[in_game_num].Push(m_wiimote_input[_number]);
// TODO: send it
m_wiimote_input[_number].clear();
}
} // unlock players
if (0 == m_wiimote_buffer[_number].Size())
{
//PanicAlert("PANIC");
return;
}
NetWiimote nw;
m_wiimote_buffer[_number].Pop(nw);
NetWiimote::const_iterator
i = nw.begin(), e = nw.end();
for ( ; i!=e; ++i)
Core::Callback_WiimoteInterruptChannel(_number, i->channel, &(*i)[0], (u32)i->size() + RPT_SIZE_HACK);
}
// 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;
}
bool NetPlayClient::DoAllPlayersHaveGame()
{
std::lock_guard<std::recursive_mutex> lkp(m_crit.players);
return std::all_of(std::begin(m_players), std::end(m_players),
[](auto entry) { return entry.second.game_status == PlayerGameStatus::Ok; });
}
// called from ---GUI--- thread
void NetPlayClient::GetPlayerList(std::string& list, std::vector<int>& pid_list)
{
std::lock_guard<std::recursive_mutex> lkp(m_crit.players);
std::ostringstream ss;
std::map<PlayerId, Player>::const_iterator
i = m_players.begin(),
e = m_players.end();
for (; i != e; ++i)
{
const Player *player = &(i->second);
ss << player->name << "[" << (int)player->pid << "] : " << player->revision << " | ";
for (unsigned int j = 0; j < 4; j++)
{
if (m_pad_map[j] == player->pid)
ss << j + 1;
else
ss << '-';
}
for (unsigned int j = 0; j < 4; j++)
{
if (m_wiimote_map[j] == player->pid)
ss << j + 1;
else
ss << '-';
}
ss << " |\nPing: " << player->ping << "ms\n\n";
pid_list.push_back(player->pid);
}
list = ss.str();
}
// 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
std::vector<const Player*> NetPlayClient::GetPlayers()
{
std::lock_guard<std::recursive_mutex> lkp(m_crit.players);
std::vector<const Player*> players;
for (const auto& pair : m_players)
players.push_back(&pair.second);
return players;
}
// called from ---CPU--- thread
bool NetPlay::GetNetPads(const u8 pad_nb, const SPADStatus* const pad_status, NetPad* const netvalues)
{
{
std::lock_guard<std::recursive_mutex> lkp(m_crit.players);
// in game mapping for this local pad
unsigned int in_game_num = m_local_player->pad_map[pad_nb];
// does this local pad map in game?
if (in_game_num < 4)
{
NetPad np(pad_status);
// adjust the buffer either up or down
// inserting multiple padstates or dropping states
while (m_pad_buffer[in_game_num].Size() <= m_target_buffer_size)
{
// add to buffer
m_pad_buffer[in_game_num].Push(np);
// send
SendPadState(pad_nb, np);
}
}
} // unlock players
//Common::Timer bufftimer;
//bufftimer.Start();
// get padstate from buffer and send to game
while (!m_pad_buffer[pad_nb].Pop(*netvalues))
{
// wait for receiving thread to push some data
Common::SleepCurrentThread(1);
if (false == m_is_running)
return false;
// TODO: check the time of bufftimer here,
// if it gets pretty high, ask the user if they want to disconnect
}
//u64 hangtime = bufftimer.GetTimeElapsed();
//if (hangtime > 10)
//{
// std::ostringstream ss;
// ss << "Pad " << (int)pad_nb << ": Had to wait " << hangtime << "ms for pad data. (increase pad Buffer maybe)";
// Core::DisplayMessage(ss.str(), 1000);
//}
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
void NetPlayClient::GetPlayers(std::vector<const Player *> &player_list)
{
std::lock_guard<std::recursive_mutex> lkp(m_crit.players);
std::map<PlayerId, Player>::const_iterator
i = m_players.begin(),
e = m_players.end();
for (; i != e; ++i)
{
const Player *player = &(i->second);
player_list.push_back(player);
}
}
// called from ---GUI--- thread
void NetPlayClient::GetPlayerList(std::string& list, std::vector<int>& pid_list)
{
std::lock_guard<std::recursive_mutex> lkp(m_crit.players);
std::ostringstream ss;
const auto enumerate_player_controller_mappings = [&ss](const PadMappingArray& mappings,
const Player& player) {
for (size_t i = 0; i < mappings.size(); i++)
{
if (mappings[i] == player.pid)
ss << i + 1;
else
ss << '-';
}
};
for (const auto& entry : m_players)
{
const Player& player = entry.second;
ss << player.name << "[" << static_cast<int>(player.pid) << "] : " << player.revision << " | ";
enumerate_player_controller_mappings(m_pad_map, player);
enumerate_player_controller_mappings(m_wiimote_map, player);
ss << " |\nPing: " << player.ping << "ms\n";
ss << "Status: ";
switch (player.game_status)
{
case PlayerGameStatus::Ok:
ss << "ready";
break;
case PlayerGameStatus::NotFound:
ss << "game missing";
break;
default:
ss << "unknown";
break;
}
ss << "\n\n";
pid_list.push_back(player.pid);
}
list = ss.str();
}
// 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
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
unsigned int NetPlayClient::OnData(sf::Packet& packet)
{
MessageId mid;
packet >> mid;
switch (mid)
{
case NP_MSG_PLAYER_JOIN:
{
Player player;
packet >> player.pid;
packet >> player.name;
packet >> player.revision;
{
std::lock_guard<std::recursive_mutex> lkp(m_crit.players);
m_players[player.pid] = player;
}
m_dialog->Update();
}
break;
case NP_MSG_PLAYER_LEAVE:
{
PlayerId pid;
packet >> pid;
{
std::lock_guard<std::recursive_mutex> lkp(m_crit.players);
m_players.erase(m_players.find(pid));
}
m_dialog->Update();
}
break;
case NP_MSG_CHAT_MESSAGE:
{
PlayerId pid;
packet >> pid;
std::string msg;
packet >> msg;
// don't need lock to read in this thread
const Player& player = m_players[pid];
// add to gui
std::ostringstream ss;
ss << player.name << '[' << (char)(pid + '0') << "]: " << msg;
m_dialog->AppendChat(ss.str());
}
break;
case NP_MSG_PAD_MAPPING:
{
for (PadMapping& mapping : m_pad_map)
{
packet >> mapping;
}
UpdateDevices();
m_dialog->Update();
}
break;
case NP_MSG_WIIMOTE_MAPPING:
{
for (PadMapping& mapping : m_wiimote_map)
{
packet >> mapping;
}
m_dialog->Update();
}
break;
case NP_MSG_PAD_DATA:
{
PadMapping map = 0;
GCPadStatus pad;
packet >> map >> pad.button >> pad.analogA >> pad.analogB >> pad.stickX >> pad.stickY >> pad.substickX >> pad.substickY >> pad.triggerLeft >> pad.triggerRight;
// trusting server for good map value (>=0 && <4)
// add to pad buffer
m_pad_buffer[map].Push(pad);
}
break;
case NP_MSG_WIIMOTE_DATA:
{
PadMapping map = 0;
NetWiimote nw;
u8 size;
packet >> map >> size;
nw.resize(size);
for (unsigned int i = 0; i < size; ++i)
packet >> nw[i];
// trusting server for good map value (>=0 && <4)
// add to Wiimote buffer
m_wiimote_buffer[(unsigned)map].Push(nw);
}
break;
case NP_MSG_PAD_BUFFER:
{
u32 size = 0;
packet >> size;
m_target_buffer_size = size;
}
break;
case NP_MSG_CHANGE_GAME:
{
{
std::lock_guard<std::recursive_mutex> lkg(m_crit.game);
packet >> m_selected_game;
}
// update gui
m_dialog->OnMsgChangeGame(m_selected_game);
}
break;
case NP_MSG_START_GAME:
{
{
std::lock_guard<std::recursive_mutex> lkg(m_crit.game);
packet >> m_current_game;
packet >> g_NetPlaySettings.m_CPUthread;
packet >> g_NetPlaySettings.m_CPUcore;
packet >> g_NetPlaySettings.m_SelectedLanguage;
packet >> g_NetPlaySettings.m_OverrideGCLanguage;
packet >> g_NetPlaySettings.m_ProgressiveScan;
packet >> g_NetPlaySettings.m_PAL60;
packet >> g_NetPlaySettings.m_DSPEnableJIT;
packet >> g_NetPlaySettings.m_DSPHLE;
packet >> g_NetPlaySettings.m_WriteToMemcard;
packet >> g_NetPlaySettings.m_OCEnable;
packet >> g_NetPlaySettings.m_OCFactor;
int tmp;
packet >> tmp;
g_NetPlaySettings.m_EXIDevice[0] = (TEXIDevices)tmp;
packet >> tmp;
g_NetPlaySettings.m_EXIDevice[1] = (TEXIDevices)tmp;
u32 time_low, time_high;
packet >> time_low;
packet >> time_high;
g_netplay_initial_gctime = time_low | ((u64)time_high << 32);
}
m_dialog->OnMsgStartGame();
}
break;
case NP_MSG_STOP_GAME:
{
m_dialog->OnMsgStopGame();
}
break;
case NP_MSG_DISABLE_GAME:
{
PanicAlertT("Other client disconnected while game is running!! NetPlay is disabled. You must manually stop the game.");
m_is_running.store(false);
NetPlay_Disable();
}
break;
case NP_MSG_PING:
{
u32 ping_key = 0;
packet >> ping_key;
sf::Packet spac;
spac << (MessageId)NP_MSG_PONG;
spac << ping_key;
Send(spac);
}
break;
case NP_MSG_PLAYER_PING_DATA:
{
PlayerId pid;
packet >> pid;
{
std::lock_guard<std::recursive_mutex> lkp(m_crit.players);
Player& player = m_players[pid];
packet >> player.ping;
}
m_dialog->Update();
}
break;
case NP_MSG_DESYNC_DETECTED:
{
int pid_to_blame;
u32 frame;
packet >> pid_to_blame;
packet >> frame;
const char* blame_str = "";
const char* blame_name = "";
std::lock_guard<std::recursive_mutex> lkp(m_crit.players);
if (pid_to_blame != -1)
{
auto it = m_players.find(pid_to_blame);
blame_str = " from player ";
blame_name = it != m_players.end() ? it->second.name.c_str() : "??";
}
m_dialog->AppendChat(StringFromFormat("/!\\ Possible desync detected%s%s on frame %u", blame_str, blame_name, frame));
}
break;
case NP_MSG_SYNC_GC_SRAM:
{
u8 sram[sizeof(g_SRAM.p_SRAM)];
for (size_t i = 0; i < sizeof(g_SRAM.p_SRAM); ++i)
{
packet >> sram[i];
}
{
std::lock_guard<std::recursive_mutex> lkg(m_crit.game);
memcpy(g_SRAM.p_SRAM, sram, sizeof(g_SRAM.p_SRAM));
g_SRAM_netplay_initialized = true;
}
}
break;
default:
PanicAlertT("Unknown message received with id : %d", mid);
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::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(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 NetPlayClient::OnData(sf::Packet& packet)
{
MessageId mid;
packet >> mid;
switch (mid)
{
case NP_MSG_PLAYER_JOIN:
{
Player player;
packet >> player.pid;
packet >> player.name;
packet >> player.revision;
{
std::lock_guard<std::recursive_mutex> lkp(m_crit.players);
m_players[player.pid] = player;
}
m_dialog->Update();
}
break;
case NP_MSG_PLAYER_LEAVE:
{
PlayerId pid;
packet >> pid;
{
std::lock_guard<std::recursive_mutex> lkp(m_crit.players);
m_players.erase(m_players.find(pid));
}
m_dialog->Update();
}
break;
case NP_MSG_CHAT_MESSAGE:
{
PlayerId pid;
packet >> pid;
std::string msg;
packet >> msg;
// don't need lock to read in this thread
const Player& player = m_players[pid];
// add to gui
std::ostringstream ss;
ss << player.name << '[' << (char)(pid + '0') << "]: " << msg;
m_dialog->AppendChat(ss.str());
}
break;
case NP_MSG_PAD_MAPPING:
{
for (PadMapping& mapping : m_pad_map)
{
packet >> mapping;
}
UpdateDevices();
m_dialog->Update();
}
break;
case NP_MSG_WIIMOTE_MAPPING:
{
for (PadMapping& mapping : m_wiimote_map)
{
packet >> mapping;
}
m_dialog->Update();
}
break;
case NP_MSG_PAD_DATA:
{
PadMapping map = 0;
GCPadStatus pad;
packet >> map >> pad.button >> pad.analogA >> pad.analogB >> pad.stickX >> pad.stickY >>
pad.substickX >> pad.substickY >> pad.triggerLeft >> pad.triggerRight;
// Trusting server for good map value (>=0 && <4)
// add to pad buffer
m_pad_buffer.at(map).Push(pad);
m_gc_pad_event.Set();
}
break;
case NP_MSG_WIIMOTE_DATA:
{
PadMapping map = 0;
NetWiimote nw;
u8 size;
packet >> map >> size;
nw.resize(size);
for (unsigned int i = 0; i < size; ++i)
packet >> nw[i];
// Trusting server for good map value (>=0 && <4)
// add to Wiimote buffer
m_wiimote_buffer.at(map).Push(nw);
m_wii_pad_event.Set();
}
break;
case NP_MSG_PAD_BUFFER:
{
u32 size = 0;
packet >> size;
m_target_buffer_size = size;
m_dialog->OnPadBufferChanged(size);
}
break;
case NP_MSG_CHANGE_GAME:
{
{
std::lock_guard<std::recursive_mutex> lkg(m_crit.game);
packet >> m_selected_game;
}
// update gui
m_dialog->OnMsgChangeGame(m_selected_game);
sf::Packet spac;
spac << static_cast<MessageId>(NP_MSG_GAME_STATUS);
PlayerGameStatus status = m_dialog->FindGame(m_selected_game).empty() ?
PlayerGameStatus::NotFound :
PlayerGameStatus::Ok;
spac << static_cast<u32>(status);
Send(spac);
}
break;
case NP_MSG_GAME_STATUS:
{
PlayerId pid;
packet >> pid;
{
std::lock_guard<std::recursive_mutex> lkp(m_crit.players);
Player& player = m_players[pid];
u32 status;
packet >> status;
player.game_status = static_cast<PlayerGameStatus>(status);
}
m_dialog->Update();
}
break;
case NP_MSG_START_GAME:
{
{
std::lock_guard<std::recursive_mutex> lkg(m_crit.game);
packet >> m_current_game;
packet >> g_NetPlaySettings.m_CPUthread;
packet >> g_NetPlaySettings.m_CPUcore;
packet >> g_NetPlaySettings.m_EnableCheats;
packet >> g_NetPlaySettings.m_SelectedLanguage;
packet >> g_NetPlaySettings.m_OverrideGCLanguage;
packet >> g_NetPlaySettings.m_ProgressiveScan;
packet >> g_NetPlaySettings.m_PAL60;
packet >> g_NetPlaySettings.m_DSPEnableJIT;
packet >> g_NetPlaySettings.m_DSPHLE;
packet >> g_NetPlaySettings.m_WriteToMemcard;
packet >> g_NetPlaySettings.m_OCEnable;
packet >> g_NetPlaySettings.m_OCFactor;
int tmp;
packet >> tmp;
g_NetPlaySettings.m_EXIDevice[0] = (TEXIDevices)tmp;
packet >> tmp;
g_NetPlaySettings.m_EXIDevice[1] = (TEXIDevices)tmp;
u32 time_low, time_high;
packet >> time_low;
packet >> time_high;
g_netplay_initial_rtc = time_low | ((u64)time_high << 32);
}
m_dialog->OnMsgStartGame();
}
break;
case NP_MSG_STOP_GAME:
case NP_MSG_DISABLE_GAME:
{
StopGame();
m_dialog->OnMsgStopGame();
}
break;
case NP_MSG_PING:
{
u32 ping_key = 0;
packet >> ping_key;
sf::Packet spac;
spac << (MessageId)NP_MSG_PONG;
spac << ping_key;
Send(spac);
}
break;
case NP_MSG_PLAYER_PING_DATA:
{
PlayerId pid;
packet >> pid;
{
std::lock_guard<std::recursive_mutex> lkp(m_crit.players);
Player& player = m_players[pid];
packet >> player.ping;
}
DisplayPlayersPing();
m_dialog->Update();
}
break;
case NP_MSG_DESYNC_DETECTED:
{
int pid_to_blame;
u32 frame;
packet >> pid_to_blame;
packet >> frame;
std::string player = "??";
std::lock_guard<std::recursive_mutex> lkp(m_crit.players);
{
auto it = m_players.find(pid_to_blame);
if (it != m_players.end())
player = it->second.name;
}
m_dialog->OnDesync(frame, player);
}
break;
case NP_MSG_SYNC_GC_SRAM:
{
u8 sram[sizeof(g_SRAM.p_SRAM)];
for (size_t i = 0; i < sizeof(g_SRAM.p_SRAM); ++i)
{
packet >> sram[i];
}
{
std::lock_guard<std::recursive_mutex> lkg(m_crit.game);
memcpy(g_SRAM.p_SRAM, sram, sizeof(g_SRAM.p_SRAM));
g_SRAM_netplay_initialized = true;
}
}
break;
case NP_MSG_COMPUTE_MD5:
{
std::string file_identifier;
packet >> file_identifier;
ComputeMD5(file_identifier);
}
break;
case NP_MSG_MD5_PROGRESS:
{
PlayerId pid;
int progress;
packet >> pid;
packet >> progress;
m_dialog->SetMD5Progress(pid, progress);
}
break;
case NP_MSG_MD5_RESULT:
{
PlayerId pid;
std::string result;
packet >> pid;
packet >> result;
m_dialog->SetMD5Result(pid, result);
}
break;
case NP_MSG_MD5_ERROR:
{
PlayerId pid;
std::string error;
packet >> pid;
packet >> error;
m_dialog->SetMD5Result(pid, error);
}
break;
case NP_MSG_MD5_ABORT:
{
m_should_compute_MD5 = false;
m_dialog->AbortMD5();
}
break;
default:
PanicAlertT("Unknown message received with id : %d", mid);
break;
}
return 0;
}
// called from ---CPU--- thread
bool NetPlayClient::WiimoteUpdate(int _number, u8* data, const u8 size, u8 reporting_mode)
{
NetWiimote nw;
{
std::lock_guard<std::recursive_mutex> lkp(m_crit.players);
// Only send data, if this Wiimote is mapped to this player
if (m_wiimote_map[_number] == m_local_player->pid)
{
nw.assign(data, data + size);
do
{
// add to buffer
m_wiimote_buffer[_number].Push(nw);
SendWiimoteState(_number, nw);
} while (m_wiimote_buffer[_number].Size() <=
m_target_buffer_size * 200 /
120); // TODO: add a seperate setting for wiimote buffer?
}
} // unlock players
while (m_wiimote_buffer[_number].Size() == 0)
{
if (!m_is_running.IsSet())
{
return false;
}
// wait for receiving thread to push some data
m_wii_pad_event.Wait();
}
m_wiimote_buffer[_number].Pop(nw);
// If the reporting mode has changed, we just need to pop through the buffer,
// until we reach a good input
if (nw[1] != reporting_mode)
{
u32 tries = 0;
while (nw[1] != reporting_mode)
{
while (m_wiimote_buffer[_number].Size() == 0)
{
if (!m_is_running.IsSet())
{
return false;
}
// wait for receiving thread to push some data
m_wii_pad_event.Wait();
}
m_wiimote_buffer[_number].Pop(nw);
++tries;
if (tries > m_target_buffer_size * 200 / 120)
break;
}
// If it still mismatches, it surely desynced
if (nw[1] != reporting_mode)
{
PanicAlertT("Netplay has desynced. There is no way to recover from this.");
return false;
}
}
memcpy(data, nw.data(), size);
return true;
}
// called from ---CPU--- thread
bool NetPlayClient::WiimoteUpdate(int _number, u8* data, const u8 size)
{
NetWiimote nw;
static u8 previousSize[4] = { 4, 4, 4, 4 };
{
std::lock_guard<std::recursive_mutex> lkp(m_crit.players);
// in game mapping for this local Wiimote
unsigned int in_game_num = LocalWiimoteToInGameWiimote(_number);
// does this local Wiimote map in game?
if (in_game_num < 4)
{
if (previousSize[in_game_num] == size)
{
nw.assign(data, data + size);
do
{
// add to buffer
m_wiimote_buffer[in_game_num].Push(nw);
SendWiimoteState(in_game_num, nw);
} while (m_wiimote_buffer[in_game_num].Size() <= m_target_buffer_size * 200 / 120); // TODO: add a seperate setting for wiimote buffer?
}
else
{
while (m_wiimote_buffer[in_game_num].Size() > 0)
{
// Reporting mode changed, so previous buffer is no good.
m_wiimote_buffer[in_game_num].Pop();
}
nw.resize(size, 0);
m_wiimote_buffer[in_game_num].Push(nw);
m_wiimote_buffer[in_game_num].Push(nw);
m_wiimote_buffer[in_game_num].Push(nw);
m_wiimote_buffer[in_game_num].Push(nw);
m_wiimote_buffer[in_game_num].Push(nw);
m_wiimote_buffer[in_game_num].Push(nw);
previousSize[in_game_num] = size;
}
}
} // unlock players
while (previousSize[_number] == size && !m_wiimote_buffer[_number].Pop(nw))
{
// wait for receiving thread to push some data
Common::SleepCurrentThread(1);
if (!m_is_running.load())
return false;
}
// Use a blank input, since we may not have any valid input.
if (previousSize[_number] != size)
{
nw.resize(size, 0);
m_wiimote_buffer[_number].Push(nw);
m_wiimote_buffer[_number].Push(nw);
m_wiimote_buffer[_number].Push(nw);
m_wiimote_buffer[_number].Push(nw);
m_wiimote_buffer[_number].Push(nw);
}
// We should have used a blank input last time, so now we just need to pop through the old buffer, until we reach a good input
if (nw.size() != size)
{
u8 tries = 0;
// Clear the buffer and wait for new input, since we probably just changed reporting mode.
while (nw.size() != size)
{
while (!m_wiimote_buffer[_number].Pop(nw))
{
Common::SleepCurrentThread(1);
if (!m_is_running.load())
return false;
}
++tries;
if (tries > m_target_buffer_size * 200 / 120)
break;
}
// If it still mismatches, it surely desynced
if (size != nw.size())
{
PanicAlertT("Netplay has desynced. There is no way to recover from this.");
return false;
}
}
previousSize[_number] = size;
memcpy(data, nw.data(), size);
return true;
}
// 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);
}
}
