mirror of
https://github.com/DarkflameUniverse/DarkflameServer.git
synced 2024-11-22 05:27:19 +00:00
Remove magic numbers
Replace magic numbers with constexpr calculated times. Tested that trying to create a new instance while shutting down doesn't allow a new instance to be created.
This commit is contained in:
parent
4775dbf27f
commit
3c581fffbb
@ -31,6 +31,15 @@ Instance* InstanceManager::GetInstance(LWOMAPID mapID, bool isFriendTransfer, LW
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Instance* instance = FindInstance(mapID, isFriendTransfer, cloneID);
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if (instance) return instance;
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// If we are shutting down, return a nullptr so a new instance is not created.
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if (m_IsShuttingDown) {
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Game::logger->Log("InstanceManager",
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"Tried to create a new instance map/instance/clone %i/%i/%i, but Master is shutting down.",
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mapID,
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m_LastInstanceID + 1,
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cloneID);
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return nullptr;
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}
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//TODO: Update this so that the IP is read from a configuration file instead
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int softCap = 8;
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@ -238,7 +247,7 @@ void InstanceManager::RedirectPendingRequests(Instance* instance) {
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for (const auto& request : instance->GetPendingAffirmations()) {
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auto* in = Game::im->GetInstance(zoneId.GetMapID(), false, zoneId.GetCloneID());
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if (!in->GetIsReady()) // Instance not ready, make a pending request
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if (in && !in->GetIsReady()) // Instance not ready, make a pending request
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{
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in->GetPendingRequests().push_back(request);
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@ -295,6 +304,15 @@ Instance* InstanceManager::CreatePrivateInstance(LWOMAPID mapID, LWOCLONEID clon
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return instance;
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}
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if (m_IsShuttingDown) {
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Game::logger->Log("InstanceManager",
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"Tried to create a new private instance map/instance/clone %i/%i/%i, but Master is shutting down.",
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mapID,
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m_LastInstanceID + 1,
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cloneID);
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return nullptr;
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}
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int maxPlayers = 999;
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uint32_t port = GetFreePort();
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@ -128,6 +128,7 @@ public:
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Instance* CreatePrivateInstance(LWOMAPID mapID, LWOCLONEID cloneID, const std::string& password);
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Instance* FindPrivateInstance(const std::string& password);
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void SetIsShuttingDown(bool value) { this->m_IsShuttingDown = value; };
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private:
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dLogger* mLogger;
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@ -136,6 +137,11 @@ private:
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unsigned short m_LastPort;
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LWOINSTANCEID m_LastInstanceID;
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/**
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* Whether or not the master server is currently shutting down.
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*/
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bool m_IsShuttingDown = false;
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//Private functions:
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bool IsInstanceFull(Instance* instance, bool isFriendTransfer);
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int GetSoftCap(LWOMAPID mapID);
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@ -63,6 +63,8 @@ SystemAddress authServerMasterPeerSysAddr;
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SystemAddress chatServerMasterPeerSysAddr;
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int main(int argc, char** argv) {
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constexpr uint32_t masterFramerate = mediumFramerate;
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constexpr uint32_t masterFrameDelta = mediumFrameDelta;
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Diagnostics::SetProcessName("Master");
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Diagnostics::SetProcessFileName(argv[0]);
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Diagnostics::Initialize();
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@ -287,6 +289,10 @@ int main(int argc, char** argv) {
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auto t = std::chrono::high_resolution_clock::now();
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Packet* packet = nullptr;
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constexpr uint32_t logFlushTime = 15 * masterFramerate;
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constexpr uint32_t sqlPingTime = 10 * 60 * masterFramerate;
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constexpr uint32_t shutdownUniverseTime = 10 * 60 * masterFramerate;
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constexpr uint32_t instanceReadyTimeout = 30 * masterFramerate;
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int framesSinceLastFlush = 0;
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int framesSinceLastSQLPing = 0;
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int framesSinceKillUniverseCommand = 0;
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@ -303,14 +309,14 @@ int main(int argc, char** argv) {
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}
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//Push our log every 15s:
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if (framesSinceLastFlush >= 900) {
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if (framesSinceLastFlush >= logFlushTime) {
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Game::logger->Flush();
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framesSinceLastFlush = 0;
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} else
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framesSinceLastFlush++;
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//Every 10 min we ping our sql server to keep it alive hopefully:
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if (framesSinceLastSQLPing >= 40000) {
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if (framesSinceLastSQLPing >= sqlPingTime) {
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//Find out the master's IP for absolutely no reason:
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std::string masterIP;
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int masterPort;
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@ -330,7 +336,7 @@ int main(int argc, char** argv) {
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//10m shutdown for universe kill command
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if (Game::shouldShutdown) {
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if (framesSinceKillUniverseCommand >= 40000) {
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if (framesSinceKillUniverseCommand >= shutdownUniverseTime) {
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//Break main loop and exit
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break;
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} else
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@ -354,7 +360,7 @@ int main(int argc, char** argv) {
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instance->SetAffirmationTimeout(affirmTimeout);
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if (affirmTimeout == 1000) {
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if (affirmTimeout == instanceReadyTimeout) {
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instance->Shutdown();
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instance->SetIsShuttingDown(true);
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@ -373,7 +379,7 @@ int main(int argc, char** argv) {
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}
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}
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t += std::chrono::milliseconds(highFrameDelta);
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t += std::chrono::milliseconds(masterFrameDelta);
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std::this_thread::sleep_until(t);
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}
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return FinalizeShutdown(EXIT_SUCCESS);
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@ -424,7 +430,6 @@ void HandlePacket(Packet* packet) {
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if (instance) {
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LWOZONEID zoneID = instance->GetZoneID(); //Get the zoneID so we can recreate a server
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Game::im->RemoveInstance(instance); //Delete the old
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//Game::im->GetInstance(zoneID.GetMapID(), false, 0); //Create the new
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}
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if (packet->systemAddress == chatServerMasterPeerSysAddr) {
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@ -465,14 +470,17 @@ void HandlePacket(Packet* packet) {
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inStream.Read(mythranShift);
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inStream.Read(zoneID);
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inStream.Read(zoneClone);
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if (shutdownSequenceStarted) {
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Game::logger->Log("MasterServer", "Shutdown sequence has been started. Not creating a new zone.");
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break;
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}
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Instance* in = Game::im->GetInstance(zoneID, false, zoneClone);
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for (auto* instance : Game::im->GetInstances()) {
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Game::logger->Log("MasterServer", "Instance: %i/%i/%i -> %i", instance->GetMapID(), instance->GetCloneID(), instance->GetInstanceID(), instance == in);
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}
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if (!in->GetIsReady()) //Instance not ready, make a pending request
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if (in && !in->GetIsReady()) //Instance not ready, make a pending request
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{
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in->GetPendingRequests().push_back({ requestID, static_cast<bool>(mythranShift), packet->systemAddress });
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Game::logger->Log("MasterServer", "Server not ready, adding pending request %llu %i %i", requestID, zoneID, zoneClone);
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@ -720,9 +728,13 @@ void HandlePacket(Packet* packet) {
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int zoneID;
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inStream.Read(zoneID);
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Game::logger->Log("MasterServer", "Prepping zone %i", zoneID);
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Game::im->GetInstance(zoneID, false, 0);
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if (shutdownSequenceStarted) {
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Game::logger->Log("MasterServer", "Shutdown sequence has been started. Not prepping a new zone.");
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break;
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} else {
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Game::logger->Log("MasterServer", "Prepping zone %i", zoneID);
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Game::im->GetInstance(zoneID, false, 0);
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}
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break;
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}
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@ -770,8 +782,8 @@ void HandlePacket(Packet* packet) {
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default:
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Game::logger->Log("MasterServer", "Unknown master packet ID from server: %i", packet->data[3]);
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}
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}
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}
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}
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void StartChatServer() {
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if (Game::shouldShutdown) {
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@ -788,9 +800,9 @@ void StartChatServer() {
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auto result = system(("sudo " + (BinaryPathFinder::GetBinaryDir() / "ChatServer").string() + "&").c_str());
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} else {
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auto result = system(((BinaryPathFinder::GetBinaryDir() / "ChatServer").string() + "&").c_str());
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}
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}
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#endif
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}
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}
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void StartAuthServer() {
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if (Game::shouldShutdown) {
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@ -806,7 +818,7 @@ void StartAuthServer() {
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auto result = system(("sudo " + (BinaryPathFinder::GetBinaryDir() / "AuthServer").string() + "&").c_str());
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} else {
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auto result = system(((BinaryPathFinder::GetBinaryDir() / "AuthServer").string() + "&").c_str());
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}
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}
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#endif
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}
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@ -815,6 +827,11 @@ void ShutdownSequence(int signal) {
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return;
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}
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if (!Game::im) {
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FinalizeShutdown(EXIT_FAILURE);
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}
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Game::im->SetIsShuttingDown(true);
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shutdownSequenceStarted = true;
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Game::shouldShutdown = true;
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@ -826,40 +843,38 @@ void ShutdownSequence(int signal) {
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}
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auto* objIdManager = ObjectIDManager::TryInstance();
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if (objIdManager != nullptr) {
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if (objIdManager) {
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objIdManager->SaveToDatabase();
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Game::logger->Log("MasterServer", "Saved ObjectIDTracker to DB");
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}
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auto t = std::chrono::high_resolution_clock::now();
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auto ticks = 0;
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if (!Game::im) {
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FinalizeShutdown(EXIT_FAILURE);
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}
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// A server might not be finished spinning up yet, remove all of those here.
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for (auto instance : Game::im->GetInstances()) {
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for (auto* instance : Game::im->GetInstances()) {
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if (!instance->GetIsReady()) {
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Game::im->RemoveInstance(instance);
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}
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}
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for (auto instance : Game::im->GetInstances()) {
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for (auto* instance : Game::im->GetInstances()) {
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instance->SetIsShuttingDown(true);
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}
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Game::logger->Log("MasterServer", "Attempting to shutdown instances, max 60 seconds...");
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auto t = std::chrono::high_resolution_clock::now();
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uint32_t framesSinceShutdownStart = 0;
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constexpr uint32_t maxShutdownTime = 60 * mediumFramerate;
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bool allInstancesShutdown = false;
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Packet* packet = nullptr;
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while (true) {
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auto packet = Game::server->Receive();
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packet = Game::server->Receive();
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if (packet) {
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HandlePacket(packet);
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Game::server->DeallocatePacket(packet);
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packet = nullptr;
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}
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auto done = true;
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allInstancesShutdown = true;
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for (auto* instance : Game::im->GetInstances()) {
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if (instance == nullptr) {
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@ -867,21 +882,21 @@ void ShutdownSequence(int signal) {
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}
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if (!instance->GetShutdownComplete()) {
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done = false;
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allInstancesShutdown = false;
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}
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}
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if (done && authServerMasterPeerSysAddr == UNASSIGNED_SYSTEM_ADDRESS && chatServerMasterPeerSysAddr == UNASSIGNED_SYSTEM_ADDRESS) {
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if (allInstancesShutdown && authServerMasterPeerSysAddr == UNASSIGNED_SYSTEM_ADDRESS && chatServerMasterPeerSysAddr == UNASSIGNED_SYSTEM_ADDRESS) {
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Game::logger->Log("MasterServer", "Finished shutting down MasterServer!");
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break;
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}
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t += std::chrono::milliseconds(highFrameDelta);
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t += std::chrono::milliseconds(mediumFrameDelta);
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std::this_thread::sleep_until(t);
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ticks++;
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framesSinceShutdownStart++;
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if (ticks == 600 * 6) {
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if (framesSinceShutdownStart == maxShutdownTime) {
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Game::logger->Log("MasterServer", "Finished shutting down by timeout!");
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break;
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}
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