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/* Copyright (C) 2018 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#include "precompiled.h"
#include "NetClientTurnManager.h"
#include "NetClient.h"
#include "gui/GUIManager.h"
#include "ps/CLogger.h"
#include "ps/Pyrogenesis.h"
#include "ps/Replay.h"
#include "ps/Util.h"
#include "simulation2/Simulation2.h"
#if 0
#define NETCLIENTTURN_LOG(...) debug_printf(__VA_ARGS__)
#else
#define NETCLIENTTURN_LOG(...)
#endif
extern CStrW g_UniqueLogPostfix;
CNetClientTurnManager::CNetClientTurnManager(CSimulation2& simulation, CNetClient& client, int clientId, IReplayLogger& replay)
: CTurnManager(simulation, DEFAULT_TURN_LENGTH_MP, clientId, replay), m_NetClient(client)
{
}
void CNetClientTurnManager::PostCommand(JS::HandleValue data)
{
NETCLIENTTURN_LOG("PostCommand()\n");
// Transmit command to server
CSimulationMessage msg(m_Simulation2.GetScriptInterface(), m_ClientId, m_PlayerId, m_CurrentTurn + COMMAND_DELAY, data);
m_NetClient.SendMessage(&msg);
// Add to our local queue
//AddCommand(m_ClientId, m_PlayerId, data, m_CurrentTurn + COMMAND_DELAY);
// TODO: we should do this when the server stops sending our commands back to us
}
void CNetClientTurnManager::NotifyFinishedOwnCommands(u32 turn)
{
NETCLIENTTURN_LOG("NotifyFinishedOwnCommands(%d)\n", turn);
CEndCommandBatchMessage msg;
msg.m_Turn = turn;
// The turn-length field of the CEndCommandBatchMessage is currently only relevant
// when sending it from the server to the clients.
// It could be used to verify that the client simulated the correct turn length.
msg.m_TurnLength = 0;
m_NetClient.SendMessage(&msg);
}
void CNetClientTurnManager::NotifyFinishedUpdate(u32 turn)
{
bool quick = !TurnNeedsFullHash(turn);
std::string hash;
{
PROFILE3("state hash check");
ENSURE(m_Simulation2.ComputeStateHash(hash, quick));
}
NETCLIENTTURN_LOG("NotifyFinishedUpdate(%d, %hs)\n", turn, Hexify(hash).c_str());
m_Replay.Hash(hash, quick);
// Don't send the hash if OOS
if (m_HasSyncError)
return;
// Send message to the server
CSyncCheckMessage msg;
msg.m_Turn = turn;
msg.m_Hash = hash;
m_NetClient.SendMessage(&msg);
}
void CNetClientTurnManager::OnDestroyConnection()
{
// Attempt to flush messages before leaving.
// Notice the sending is not reliable and rarely makes it to the Server.
if (m_NetClient.GetCurrState() == NCS_INGAME)
NotifyFinishedOwnCommands(m_CurrentTurn + COMMAND_DELAY);
}
void CNetClientTurnManager::OnSimulationMessage(CSimulationMessage* msg)
{
// Command received from the server - store it for later execution
AddCommand(msg->m_Client, msg->m_Player, msg->m_Data, msg->m_Turn);
}
void CNetClientTurnManager::OnSyncError(u32 turn, const CStr& expectedHash, const std::vector<CSyncErrorMessage::S_m_PlayerNames>& playerNames)
{
CStr expectedHashHex(Hexify(expectedHash));
NETCLIENTTURN_LOG("OnSyncError(%d, %hs)\n", turn, expectedHashHex.c_str());
// Only complain the first time
if (m_HasSyncError)
return;
m_HasSyncError = true;
std::string hash;
ENSURE(m_Simulation2.ComputeStateHash(hash, !TurnNeedsFullHash(turn)));
OsPath oosdumpPath(psLogDir() / (L"oos_dump" + g_UniqueLogPostfix + L".txt"));
std::ofstream file (OsString(oosdumpPath).c_str(), std::ofstream::out | std::ofstream::trunc);
m_Simulation2.DumpDebugState(file);
file.close();
std::ofstream binfile (OsString(oosdumpPath.ChangeExtension(L".dat")).c_str(), std::ofstream::out | std::ofstream::trunc | std::ofstream::binary);
m_Simulation2.SerializeState(binfile);
binfile.close();
std::stringstream playerNamesString;
std::vector<CStr> playerNamesStrings;
playerNamesStrings.reserve(playerNames.size());
for (size_t i = 0; i < playerNames.size(); ++i)
{
CStr name = utf8_from_wstring(playerNames[i].m_Name);
playerNamesString << (i == 0 ? "" : ", ") << name;
playerNamesStrings.push_back(name);
}
LOGERROR("Out-Of-Sync on turn %d\nPlayers: %s\nDumping state to %s", turn, playerNamesString.str().c_str(), oosdumpPath.string8());
const ScriptInterface& scriptInterface = m_NetClient.GetScriptInterface();
JSContext* cx = scriptInterface.GetContext();
JSAutoRequest rq(cx);
JS::RootedValue msg(cx);
scriptInterface.Eval("({ 'type':'out-of-sync' })", &msg);
scriptInterface.SetProperty(msg, "turn", turn);
scriptInterface.SetProperty(msg, "players", playerNamesStrings);
scriptInterface.SetProperty(msg, "expectedHash", expectedHashHex);
scriptInterface.SetProperty(msg, "hash", Hexify(hash));
scriptInterface.SetProperty(msg, "path_oos_dump", wstring_from_utf8(oosdumpPath.string8()));
scriptInterface.SetProperty(msg, "path_replay", wstring_from_utf8(m_Replay.GetDirectory().string8()));
m_NetClient.PushGuiMessage(msg);
}
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