DarkflameServer/dNet/dServer.cpp

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#define _VARIADIC_MAX 10
#include "dServer.h"
#include "dNetCommon.h"
#include "dLogger.h"
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#include "dConfig.h"
#include "RakNetworkFactory.h"
#include "MessageIdentifiers.h"
#include "PacketUtils.h"
#include "dMessageIdentifiers.h"
#include "MasterPackets.h"
#include "ZoneInstanceManager.h"
//! Replica Constructor class
class ReplicaConstructor : public ReceiveConstructionInterface {
public:
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ReplicaReturnResult ReceiveConstruction(RakNet::BitStream* inBitStream, RakNetTime timestamp, NetworkID networkID, NetworkIDObject* existingObject, SystemAddress senderId, ReplicaManager* caller) {
return REPLICA_PROCESSING_DONE;
}
} ConstructionCB;
//! Replica Download Sender class
class ReplicaSender : public SendDownloadCompleteInterface {
public:
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ReplicaReturnResult SendDownloadComplete(RakNet::BitStream* outBitStream, RakNetTime currentTime, SystemAddress senderId, ReplicaManager* caller) {
return REPLICA_PROCESSING_DONE;
}
} SendDownloadCompleteCB;
//! Replica Download Receiver class
class ReplicaReceiever : public ReceiveDownloadCompleteInterface {
public:
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ReplicaReturnResult ReceiveDownloadComplete(RakNet::BitStream* inBitStream, SystemAddress senderId, ReplicaManager* caller) {
return REPLICA_PROCESSING_DONE;
}
} ReceiveDownloadCompleteCB;
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dServer::dServer(const std::string& ip, int port, int instanceID, int maxConnections, bool isInternal, bool useEncryption, dLogger* logger, const std::string masterIP, int masterPort, ServerType serverType, dConfig* config, unsigned int zoneID) {
mIP = ip;
mPort = port;
mZoneID = zoneID;
mInstanceID = instanceID;
mMaxConnections = maxConnections;
mIsInternal = isInternal;
mUseEncryption = useEncryption;
mLogger = logger;
mMasterIP = masterIP;
mMasterPort = masterPort;
mMasterConnectionActive = false;
mNetIDManager = nullptr;
mReplicaManager = nullptr;
mServerType = serverType;
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mConfig = config;
//Attempt to start our server here:
mIsOkay = Startup();
//Forcibly log to both the console and our file what ip, port and possibly zoneID / instanceID we're running on:
bool prevLogSetting = mLogger->GetIsLoggingToConsole();
mLogger->SetLogToConsole(true);
if (mIsOkay) {
if (zoneID == 0)
mLogger->Log("dServer", "Server is listening on %s:%i with encryption: %i", ip.c_str(), port, int(useEncryption));
else
mLogger->Log("dServer", "Server is listening on %s:%i with encryption: %i, running zone %i / %i", ip.c_str(), port, int(useEncryption), zoneID, instanceID);
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} else { mLogger->Log("dServer", "FAILED TO START SERVER ON IP/PORT: %s:%i", ip.c_str(), port); return; }
mLogger->SetLogToConsole(prevLogSetting);
//Connect to master if we are not master:
if (serverType != ServerType::Master) {
SetupForMasterConnection();
ConnectToMaster();
}
//Set up Replica if we're a world server:
if (serverType == ServerType::World) {
mNetIDManager = new NetworkIDManager();
mNetIDManager->SetIsNetworkIDAuthority(true);
mReplicaManager = new ReplicaManager();
mReplicaManager->SetAutoParticipateNewConnections(false);
mReplicaManager->SetAutoConstructToNewParticipants(false);
mReplicaManager->SetAutoSerializeInScope(true);
mReplicaManager->SetReceiveConstructionCB(&ConstructionCB);
mReplicaManager->SetDownloadCompleteCB(&SendDownloadCompleteCB, &ReceiveDownloadCompleteCB);
mPeer->AttachPlugin(mReplicaManager);
mPeer->SetNetworkIDManager(mNetIDManager);
}
}
dServer::~dServer() {
Shutdown();
}
Packet* dServer::ReceiveFromMaster() {
if (!mMasterPeer) return nullptr;
if (!mMasterConnectionActive) ConnectToMaster();
Packet* packet = mMasterPeer->Receive();
if (packet) {
if (packet->length < 1) { mMasterPeer->DeallocatePacket(packet); return nullptr; }
if (packet->data[0] == ID_DISCONNECTION_NOTIFICATION || packet->data[0] == ID_CONNECTION_LOST) {
mLogger->Log("dServer", "Lost our connection to master, shutting DOWN!");
mMasterConnectionActive = false;
//ConnectToMaster(); //We'll just shut down now
}
if (packet->data[0] == ID_CONNECTION_REQUEST_ACCEPTED) {
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mLogger->Log("dServer", "Established connection to master, zone (%i), instance (%i)", this->GetZoneID(), this->GetInstanceID());
mMasterConnectionActive = true;
mMasterSystemAddress = packet->systemAddress;
MasterPackets::SendServerInfo(this, packet);
}
if (packet->data[0] == ID_USER_PACKET_ENUM) {
if (packet->data[1] == MASTER) {
switch (packet->data[3]) {
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case MSG_MASTER_REQUEST_ZONE_TRANSFER_RESPONSE: {
uint64_t requestID = PacketUtils::ReadPacketU64(8, packet);
ZoneInstanceManager::Instance()->HandleRequestZoneTransferResponse(requestID, packet);
break;
}
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//When we handle these packets in World instead dServer, we just return the packet's pointer.
default:
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return packet;
}
}
}
mMasterPeer->DeallocatePacket(packet);
}
return nullptr;
}
Packet* dServer::Receive() {
return mPeer->Receive();
}
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void dServer::DeallocatePacket(Packet* packet) {
mPeer->DeallocatePacket(packet);
}
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void dServer::DeallocateMasterPacket(Packet* packet) {
mMasterPeer->DeallocatePacket(packet);
}
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void dServer::Send(RakNet::BitStream* bitStream, const SystemAddress& sysAddr, bool broadcast) {
mPeer->Send(bitStream, SYSTEM_PRIORITY, RELIABLE_ORDERED, 0, sysAddr, broadcast);
}
void dServer::SendToMaster(RakNet::BitStream* bitStream) {
if (!mMasterConnectionActive) ConnectToMaster();
mMasterPeer->Send(bitStream, SYSTEM_PRIORITY, RELIABLE_ORDERED, 0, mMasterSystemAddress, false);
}
void dServer::Disconnect(const SystemAddress& sysAddr, uint32_t disconNotifyID) {
RakNet::BitStream bitStream;
PacketUtils::WriteHeader(bitStream, SERVER, MSG_SERVER_DISCONNECT_NOTIFY);
bitStream.Write(disconNotifyID);
mPeer->Send(&bitStream, SYSTEM_PRIORITY, RELIABLE_ORDERED, 0, sysAddr, false);
mPeer->CloseConnection(sysAddr, true);
}
bool dServer::IsConnected(const SystemAddress& sysAddr) {
return mPeer->IsConnected(sysAddr);
}
bool dServer::Startup() {
mSocketDescriptor = SocketDescriptor(uint16_t(mPort), 0);
mPeer = RakNetworkFactory::GetRakPeerInterface();
if (!mPeer) return false;
if (!mPeer->Startup(mMaxConnections, 10, &mSocketDescriptor, 1)) return false;
if (mIsInternal) {
mPeer->SetIncomingPassword("3.25 DARKFLAME1", 15);
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} else {
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UpdateBandwidthLimit();
mPeer->SetIncomingPassword("3.25 ND1", 8);
}
mPeer->SetMaximumIncomingConnections(mMaxConnections);
if (mUseEncryption) mPeer->InitializeSecurity(NULL, NULL, NULL, NULL);
return true;
}
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void dServer::UpdateBandwidthLimit() {
auto newBandwidth = mConfig->GetValue("maximum_outgoing_bandwidth");
mPeer->SetPerConnectionOutgoingBandwidthLimit(!newBandwidth.empty() ? std::stoi(newBandwidth) : 0);
}
void dServer::Shutdown() {
if (mPeer) {
mPeer->Shutdown(1000);
RakNetworkFactory::DestroyRakPeerInterface(mPeer);
}
if (mNetIDManager) {
delete mNetIDManager;
mNetIDManager = nullptr;
}
if (mReplicaManager) {
delete mReplicaManager;
mReplicaManager = nullptr;
}
if (mServerType != ServerType::Master && mMasterPeer) {
mMasterPeer->Shutdown(1000);
RakNetworkFactory::DestroyRakPeerInterface(mMasterPeer);
}
}
void dServer::SetupForMasterConnection() {
mMasterSocketDescriptor = SocketDescriptor(uint16_t(mPort + 1), 0);
mMasterPeer = RakNetworkFactory::GetRakPeerInterface();
mMasterPeer->Startup(1, 30, &mMasterSocketDescriptor, 1);
}
bool dServer::ConnectToMaster() {
return mMasterPeer->Connect(mMasterIP.c_str(), mMasterPort, "3.25 DARKFLAME1", 15);
}
void dServer::UpdateReplica() {
mReplicaManager->Update(mPeer);
}
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int dServer::GetPing(const SystemAddress& sysAddr) const {
return mPeer->GetAveragePing(sysAddr);
}
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int dServer::GetLatestPing(const SystemAddress& sysAddr) const {
return mPeer->GetLastPing(sysAddr);
}