void CSimulation2::LoadPlayerSettings(bool newPlayers)
{
JSContext* cx = GetScriptInterface().GetContext();
JSAutoRequest rq(cx);
JS::RootedValue global(cx, GetScriptInterface().GetGlobalObject());
GetScriptInterface().CallFunctionVoid(global, "LoadPlayerSettings", m->m_MapSettings, newPlayers);
}
void CNetClient::CheckServerConnection()
{
// Trigger local warnings if the connection to the server is bad.
// At most once per second.
std::time_t now = std::time(nullptr);
if (now <= m_LastConnectionCheck)
return;
m_LastConnectionCheck = now;
JSContext* cx = GetScriptInterface().GetContext();
// Report if we are losing the connection to the server
u32 lastReceived = m_Session->GetLastReceivedTime();
if (lastReceived > NETWORK_WARNING_TIMEOUT)
{
JS::RootedValue msg(cx);
GetScriptInterface().Eval("({ 'type':'netwarn', 'warntype': 'server-timeout' })", &msg);
GetScriptInterface().SetProperty(msg, "lastReceivedTime", lastReceived);
PushGuiMessage(msg);
return;
}
// Report if we have a bad ping to the server
u32 meanRTT = m_Session->GetMeanRTT();
if (meanRTT > DEFAULT_TURN_LENGTH_MP)
{
JS::RootedValue msg(cx);
GetScriptInterface().Eval("({ 'type':'netwarn', 'warntype': 'server-latency' })", &msg);
GetScriptInterface().SetProperty(msg, "meanRTT", meanRTT);
PushGuiMessage(msg);
}
}
void CSimulation2::InitGame(JS::HandleValue data)
{
JSContext* cx = GetScriptInterface().GetContext();
JSAutoRequest rq(cx);
JS::RootedValue global(cx, GetScriptInterface().GetGlobalObject());
GetScriptInterface().CallFunctionVoid(global, "InitGame", data);
}
void CSimulation2::LoadMapSettings()
{
// Initialize here instead of in Update()
GetScriptInterface().CallFunctionVoid(GetScriptInterface().GetGlobalObject(), "LoadMapSettings", m->m_MapSettings);
if (!m->m_StartupScript.empty())
GetScriptInterface().LoadScript(L"map startup script", m->m_StartupScript);
}
void CNetClient::HandleDisconnect(u32 reason)
{
JSContext* cx = GetScriptInterface().GetContext();
JSAutoRequest rq(cx);
JS::RootedValue msg(cx);
GetScriptInterface().Eval("({'type':'netstatus','status':'disconnected'})", &msg);
GetScriptInterface().SetProperty(msg, "reason", (int)reason, false);
PushGuiMessage(msg);
SAFE_DELETE(m_Session);
// Update the state immediately to UNCONNECTED (don't bother with FSM transitions since
// we'd need one for every single state, and we don't need to use per-state actions)
SetCurrState(NCS_UNCONNECTED);
}
std::string CNetClient::TestReadGuiMessages()
{
JSContext* cx = GetScriptInterface().GetContext();
JSAutoRequest rq(cx);
std::string r;
JS::RootedValue msg(cx);
while (true)
{
GuiPoll(&msg);
if (msg.isUndefined())
break;
r += GetScriptInterface().ToString(&msg) + "\n";
}
return r;
}
void CSimulation2::LoadMapSettings()
{
JSContext* cx = GetScriptInterface().GetContext();
JSAutoRequest rq(cx);
JS::RootedValue global(cx, GetScriptInterface().GetGlobalObject());
// Initialize here instead of in Update()
GetScriptInterface().CallFunctionVoid(global, "LoadMapSettings", m->m_MapSettings);
if (!m->m_StartupScript.empty())
GetScriptInterface().LoadScript(L"map startup script", m->m_StartupScript);
// Load the trigger scripts after we have loaded the simulation and the map.
m->LoadTriggerScripts(m->m_ComponentManager, m->m_MapSettings, &m->m_LoadedScripts);
}
void CNetClient::LoadFinished()
{
JSContext* cx = GetScriptInterface().GetContext();
JSAutoRequest rq(cx);
if (!m_JoinSyncBuffer.empty())
{
// We're rejoining a game, and just finished loading the initial map,
// so deserialize the saved game state now
std::string state;
DecompressZLib(m_JoinSyncBuffer, state, true);
std::stringstream stream(state);
u32 turn;
stream.read((char*)&turn, sizeof(turn));
turn = to_le32(turn);
LOGMESSAGE("Rejoining client deserializing state at turn %u\n", turn);
bool ok = m_Game->GetSimulation2()->DeserializeState(stream);
ENSURE(ok);
m_ClientTurnManager->ResetState(turn, turn);
JS::RootedValue msg(cx);
GetScriptInterface().Eval("({'type':'netstatus','status':'join_syncing'})", &msg);
PushGuiMessage(msg);
}
else
{
// Connecting at the start of a game, so we'll wait for other players to finish loading
JS::RootedValue msg(cx);
GetScriptInterface().Eval("({'type':'netstatus','status':'waiting_for_players'})", &msg);
PushGuiMessage(msg);
}
CLoadedGameMessage loaded;
loaded.m_CurrentTurn = m_ClientTurnManager->GetCurrentTurn();
SendMessage(&loaded);
}
void CNetServerWorker::UpdateGameAttributes(JS::MutableHandleValue attrs)
{
m_GameAttributes.set(m_ScriptInterface->GetJSRuntime(), attrs);
if (!m_Host)
return;
CGameSetupMessage gameSetupMessage(GetScriptInterface());
gameSetupMessage.m_Data.set(m_GameAttributes.get());
Broadcast(&gameSetupMessage);
}
std::string CSimulation2::GetAIData()
{
ScriptInterface& scriptInterface = GetScriptInterface();
std::vector<CScriptValRooted> aiData = ICmpAIManager::GetAIs(scriptInterface);
// Build single JSON string with array of AI data
CScriptValRooted ais;
if (!scriptInterface.Eval("({})", ais) || !scriptInterface.SetProperty(ais.get(), "AIData", aiData))
return std::string();
return scriptInterface.StringifyJSON(ais.get());
}
void CNetServerWorker::OnUserJoin(CNetServerSession* session)
{
AddPlayer(session->GetGUID(), session->GetUserName());
CGameSetupMessage gameSetupMessage(GetScriptInterface());
gameSetupMessage.m_Data = m_GameAttributes.get();
session->SendMessage(&gameSetupMessage);
CPlayerAssignmentMessage assignMessage;
ConstructPlayerAssignmentMessage(assignMessage);
session->SendMessage(&assignMessage);
}
std::string CSimulation2::GetAIData()
{
ScriptInterface& scriptInterface = GetScriptInterface();
JSContext* cx = scriptInterface.GetContext();
JSAutoRequest rq(cx);
JS::RootedValue aiData(cx, ICmpAIManager::GetAIs(scriptInterface));
// Build single JSON string with array of AI data
JS::RootedValue ais(cx);
if (!scriptInterface.Eval("({})", &ais) || !scriptInterface.SetProperty(ais, "AIData", aiData))
return std::string();
return scriptInterface.StringifyJSON(&ais);
}
void CNetClient::PostPlayerAssignmentsToScript()
{
JSContext* cx = GetScriptInterface().GetContext();
JSAutoRequest rq(cx);
JS::RootedValue msg(cx);
GetScriptInterface().Eval("({'type':'players', 'hosts':{}})", &msg);
JS::RootedValue hosts(cx);
GetScriptInterface().GetProperty(msg, "hosts", &hosts);
for (PlayerAssignmentMap::iterator it = m_PlayerAssignments.begin(); it != m_PlayerAssignments.end(); ++it)
{
JS::RootedValue host(cx);
GetScriptInterface().Eval("({})", &host);
GetScriptInterface().SetProperty(host, "name", std::wstring(it->second.m_Name), false);
GetScriptInterface().SetProperty(host, "player", it->second.m_PlayerID, false);
GetScriptInterface().SetProperty(host, "status", it->second.m_Status, false);
GetScriptInterface().SetProperty(hosts, it->first.c_str(), host, false);
}
PushGuiMessage(msg);
}
CNetClient::CNetClient(CGame* game) :
m_Session(NULL),
m_UserName(L"anonymous"),
m_GUID(ps_generate_guid()), m_HostID((u32)-1), m_ClientTurnManager(NULL), m_Game(game),
m_GameAttributes(game->GetSimulation2()->GetScriptInterface().GetContext()),
m_LastConnectionCheck(0)
{
m_Game->SetTurnManager(NULL); // delete the old local turn manager so we don't accidentally use it
void* context = this;
JS_AddExtraGCRootsTracer(GetScriptInterface().GetJSRuntime(), CNetClient::Trace, this);
// Set up transitions for session
AddTransition(NCS_UNCONNECTED, (uint)NMT_CONNECT_COMPLETE, NCS_CONNECT, (void*)&OnConnect, context);
AddTransition(NCS_CONNECT, (uint)NMT_SERVER_HANDSHAKE, NCS_HANDSHAKE, (void*)&OnHandshake, context);
AddTransition(NCS_HANDSHAKE, (uint)NMT_SERVER_HANDSHAKE_RESPONSE, NCS_AUTHENTICATE, (void*)&OnHandshakeResponse, context);
AddTransition(NCS_AUTHENTICATE, (uint)NMT_AUTHENTICATE_RESULT, NCS_INITIAL_GAMESETUP, (void*)&OnAuthenticate, context);
AddTransition(NCS_INITIAL_GAMESETUP, (uint)NMT_GAME_SETUP, NCS_PREGAME, (void*)&OnGameSetup, context);
AddTransition(NCS_PREGAME, (uint)NMT_CHAT, NCS_PREGAME, (void*)&OnChat, context);
AddTransition(NCS_PREGAME, (uint)NMT_READY, NCS_PREGAME, (void*)&OnReady, context);
AddTransition(NCS_PREGAME, (uint)NMT_GAME_SETUP, NCS_PREGAME, (void*)&OnGameSetup, context);
AddTransition(NCS_PREGAME, (uint)NMT_PLAYER_ASSIGNMENT, NCS_PREGAME, (void*)&OnPlayerAssignment, context);
AddTransition(NCS_PREGAME, (uint)NMT_KICKED, NCS_PREGAME, (void*)&OnKicked, context);
AddTransition(NCS_PREGAME, (uint)NMT_CLIENT_TIMEOUT, NCS_PREGAME, (void*)&OnClientTimeout, context);
AddTransition(NCS_PREGAME, (uint)NMT_CLIENT_PERFORMANCE, NCS_PREGAME, (void*)&OnClientPerformance, context);
AddTransition(NCS_PREGAME, (uint)NMT_GAME_START, NCS_LOADING, (void*)&OnGameStart, context);
AddTransition(NCS_PREGAME, (uint)NMT_JOIN_SYNC_START, NCS_JOIN_SYNCING, (void*)&OnJoinSyncStart, context);
AddTransition(NCS_JOIN_SYNCING, (uint)NMT_CHAT, NCS_JOIN_SYNCING, (void*)&OnChat, context);
AddTransition(NCS_JOIN_SYNCING, (uint)NMT_GAME_SETUP, NCS_JOIN_SYNCING, (void*)&OnGameSetup, context);
AddTransition(NCS_JOIN_SYNCING, (uint)NMT_PLAYER_ASSIGNMENT, NCS_JOIN_SYNCING, (void*)&OnPlayerAssignment, context);
AddTransition(NCS_JOIN_SYNCING, (uint)NMT_CLIENT_TIMEOUT, NCS_JOIN_SYNCING, (void*)&OnClientTimeout, context);
AddTransition(NCS_JOIN_SYNCING, (uint)NMT_CLIENT_PERFORMANCE, NCS_JOIN_SYNCING, (void*)&OnClientPerformance, context);
AddTransition(NCS_JOIN_SYNCING, (uint)NMT_GAME_START, NCS_JOIN_SYNCING, (void*)&OnGameStart, context);
AddTransition(NCS_JOIN_SYNCING, (uint)NMT_SIMULATION_COMMAND, NCS_JOIN_SYNCING, (void*)&OnInGame, context);
AddTransition(NCS_JOIN_SYNCING, (uint)NMT_END_COMMAND_BATCH, NCS_JOIN_SYNCING, (void*)&OnJoinSyncEndCommandBatch, context);
AddTransition(NCS_JOIN_SYNCING, (uint)NMT_LOADED_GAME, NCS_INGAME, (void*)&OnLoadedGame, context);
AddTransition(NCS_LOADING, (uint)NMT_CHAT, NCS_LOADING, (void*)&OnChat, context);
AddTransition(NCS_LOADING, (uint)NMT_GAME_SETUP, NCS_LOADING, (void*)&OnGameSetup, context);
AddTransition(NCS_LOADING, (uint)NMT_PLAYER_ASSIGNMENT, NCS_LOADING, (void*)&OnPlayerAssignment, context);
AddTransition(NCS_LOADING, (uint)NMT_CLIENT_TIMEOUT, NCS_LOADING, (void*)&OnClientTimeout, context);
AddTransition(NCS_LOADING, (uint)NMT_CLIENT_PERFORMANCE, NCS_LOADING, (void*)&OnClientPerformance, context);
AddTransition(NCS_LOADING, (uint)NMT_LOADED_GAME, NCS_INGAME, (void*)&OnLoadedGame, context);
AddTransition(NCS_INGAME, (uint)NMT_REJOINED, NCS_INGAME, (void*)&OnRejoined, context);
AddTransition(NCS_INGAME, (uint)NMT_KICKED, NCS_INGAME, (void*)&OnKicked, context);
AddTransition(NCS_INGAME, (uint)NMT_CLIENT_TIMEOUT, NCS_INGAME, (void*)&OnClientTimeout, context);
AddTransition(NCS_INGAME, (uint)NMT_CLIENT_PERFORMANCE, NCS_INGAME, (void*)&OnClientPerformance, context);
AddTransition(NCS_INGAME, (uint)NMT_CHAT, NCS_INGAME, (void*)&OnChat, context);
AddTransition(NCS_INGAME, (uint)NMT_GAME_SETUP, NCS_INGAME, (void*)&OnGameSetup, context);
AddTransition(NCS_INGAME, (uint)NMT_PLAYER_ASSIGNMENT, NCS_INGAME, (void*)&OnPlayerAssignment, context);
AddTransition(NCS_INGAME, (uint)NMT_SIMULATION_COMMAND, NCS_INGAME, (void*)&OnInGame, context);
AddTransition(NCS_INGAME, (uint)NMT_SYNC_ERROR, NCS_INGAME, (void*)&OnInGame, context);
AddTransition(NCS_INGAME, (uint)NMT_END_COMMAND_BATCH, NCS_INGAME, (void*)&OnInGame, context);
// Set first state
SetFirstState(NCS_UNCONNECTED);
}
void CSimulation2::LoadPlayerSettings(bool newPlayers)
{
GetScriptInterface().CallFunctionVoid(GetScriptInterface().GetGlobalObject(), "LoadPlayerSettings", m->m_MapSettings, newPlayers);
}
void CSimulation2::InitGame(const CScriptVal& data)
{
GetScriptInterface().CallFunctionVoid(GetScriptInterface().GetGlobalObject(), "InitGame", data);
}
void CSimulation2::ReplaceSkirmishGlobals()
{
GetScriptInterface().CallFunctionVoid(GetScriptInterface().GetGlobalObject(), "ReplaceSkirmishGlobals");
}
bool CNetServerWorker::RunStep()
{
// Check for messages from the game thread.
// (Do as little work as possible while the mutex is held open,
// to avoid performance problems and deadlocks.)
m_ScriptInterface->GetRuntime()->MaybeIncrementalGC(0.5f);
JSContext* cx = m_ScriptInterface->GetContext();
JSAutoRequest rq(cx);
std::vector<std::pair<int, CStr> > newAssignPlayer;
std::vector<bool> newStartGame;
std::vector<std::pair<CStr, int> > newPlayerReady;
std::vector<bool> newPlayerResetReady;
std::vector<std::string> newGameAttributes;
std::vector<u32> newTurnLength;
{
CScopeLock lock(m_WorkerMutex);
if (m_Shutdown)
return false;
newStartGame.swap(m_StartGameQueue);
newPlayerReady.swap(m_PlayerReadyQueue);
newPlayerResetReady.swap(m_PlayerResetReadyQueue);
newAssignPlayer.swap(m_AssignPlayerQueue);
newGameAttributes.swap(m_GameAttributesQueue);
newTurnLength.swap(m_TurnLengthQueue);
}
for (size_t i = 0; i < newAssignPlayer.size(); ++i)
AssignPlayer(newAssignPlayer[i].first, newAssignPlayer[i].second);
for (size_t i = 0; i < newPlayerReady.size(); ++i)
SetPlayerReady(newPlayerReady[i].first, newPlayerReady[i].second);
if (!newPlayerResetReady.empty())
ClearAllPlayerReady();
if (!newGameAttributes.empty())
{
JS::RootedValue gameAttributesVal(cx);
GetScriptInterface().ParseJSON(newGameAttributes.back(), &gameAttributesVal);
UpdateGameAttributes(&gameAttributesVal);
}
if (!newTurnLength.empty())
SetTurnLength(newTurnLength.back());
// Do StartGame last, so we have the most up-to-date game attributes when we start
if (!newStartGame.empty())
StartGame();
// Perform file transfers
for (size_t i = 0; i < m_Sessions.size(); ++i)
m_Sessions[i]->GetFileTransferer().Poll();
// Process network events:
ENetEvent event;
int status = enet_host_service(m_Host, &event, HOST_SERVICE_TIMEOUT);
if (status < 0)
{
LOGERROR("CNetServerWorker: enet_host_service failed (%d)", status);
// TODO: notify game that the server has shut down
return false;
}
if (status == 0)
{
// Reached timeout with no events - try again
return true;
}
// Process the event:
switch (event.type)
{
case ENET_EVENT_TYPE_CONNECT:
{
// Report the client address
char hostname[256] = "(error)";
enet_address_get_host_ip(&event.peer->address, hostname, ARRAY_SIZE(hostname));
LOGMESSAGE("Net server: Received connection from %s:%u", hostname, (unsigned int)event.peer->address.port);
// Set up a session object for this peer
CNetServerSession* session = new CNetServerSession(*this, event.peer);
m_Sessions.push_back(session);
SetupSession(session);
ENSURE(event.peer->data == NULL);
event.peer->data = session;
HandleConnect(session);
break;
}
case ENET_EVENT_TYPE_DISCONNECT:
{
// If there is an active session with this peer, then reset and delete it
CNetServerSession* session = static_cast<CNetServerSession*>(event.peer->data);
if (session)
{
LOGMESSAGE("Net server: Disconnected %s", DebugName(session).c_str());
// Remove the session first, so we won't send player-update messages to it
// when updating the FSM
m_Sessions.erase(remove(m_Sessions.begin(), m_Sessions.end(), session), m_Sessions.end());
session->Update((uint)NMT_CONNECTION_LOST, NULL);
delete session;
event.peer->data = NULL;
}
break;
}
case ENET_EVENT_TYPE_RECEIVE:
{
// If there is an active session with this peer, then process the message
CNetServerSession* session = static_cast<CNetServerSession*>(event.peer->data);
if (session)
{
// Create message from raw data
CNetMessage* msg = CNetMessageFactory::CreateMessage(event.packet->data, event.packet->dataLength, GetScriptInterface());
if (msg)
{
LOGMESSAGE("Net server: Received message %s of size %lu from %s", msg->ToString().c_str(), (unsigned long)msg->GetSerializedLength(), DebugName(session).c_str());
HandleMessageReceive(msg, session);
delete msg;
}
}
// Done using the packet
enet_packet_destroy(event.packet);
break;
}
case ENET_EVENT_TYPE_NONE:
break;
}
return true;
}
CNetClient::~CNetClient()
{
DestroyConnection();
JS_RemoveExtraGCRootsTracer(GetScriptInterface().GetJSRuntime(), CNetClient::Trace, this);
}
void CSimulation2::InitGame(const CScriptVal& data)
{
CScriptVal ret; // ignored
GetScriptInterface().CallFunction(GetScriptInterface().GetGlobalObject(), "InitGame", data, ret);
}
