mirror of
https://github.com/DarkflameUniverse/DarkflameServer.git
synced 2024-11-10 10:18:21 +00:00
ca8f0059a3
Made instance creation use previously used ports when available, to prevent crashes caused by ports being used that are outside of the assigned range.
415 lines
10 KiB
C++
415 lines
10 KiB
C++
#include "InstanceManager.h"
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#include <string>
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#include "Game.h"
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#include "dServer.h"
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#include "dLogger.h"
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#include "dConfig.h"
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#include "CDClientDatabase.h"
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#include "CDClientManager.h"
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#include "CDZoneTableTable.h"
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#include "dMessageIdentifiers.h"
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#include "MasterPackets.h"
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#include "PacketUtils.h"
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InstanceManager::InstanceManager(dLogger* logger, const std::string& externalIP) {
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mLogger = logger;
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mExternalIP = externalIP;
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m_LastPort = std::atoi(Game::config->GetValue("world_port_start").c_str());
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m_LastInstanceID = LWOINSTANCEID_INVALID;
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}
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InstanceManager::~InstanceManager() {
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for (Instance* i : m_Instances) {
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delete i;
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i = nullptr;
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}
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}
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Instance * InstanceManager::GetInstance(LWOMAPID mapID, bool isFriendTransfer, LWOCLONEID cloneID) {
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mLogger->Log("InstanceManager", "Searching for an instance for mapID %i/%i\n", mapID, cloneID);
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Instance* instance = FindInstance(mapID, isFriendTransfer, cloneID);
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if (instance) return instance;
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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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int maxPlayers = 12;
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if (mapID == 0) {
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softCap = 999;
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maxPlayers = softCap;
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} else {
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softCap = GetSoftCap(mapID);
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maxPlayers = GetHardCap(mapID);
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}
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uint32_t port = GetFreePort();
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instance = new Instance(mExternalIP, port, mapID, ++m_LastInstanceID, cloneID, softCap, maxPlayers);
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//Start the actual process:
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#ifdef _WIN32
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std::string cmd = "start ./WorldServer.exe -zone ";
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#else
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std::string cmd;
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if (std::atoi(Game::config->GetValue("use_sudo_world").c_str())) {
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cmd = "sudo ./WorldServer -zone ";
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} else {
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cmd = "./WorldServer -zone ";
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}
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#endif
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cmd.append(std::to_string(mapID));
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cmd.append(" -port ");
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cmd.append(std::to_string(port));
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cmd.append(" -instance ");
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cmd.append(std::to_string(m_LastInstanceID));
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cmd.append(" -maxclients ");
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cmd.append(std::to_string(maxPlayers));
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cmd.append(" -clone ");
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cmd.append(std::to_string(cloneID));
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#ifndef _WIN32
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cmd.append("&"); //Sends our next process to the background on Linux
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#endif
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system(cmd.c_str());
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m_Instances.push_back(instance);
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if (instance) {
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mLogger->Log("InstanceManager", "Created new instance: %i/%i/%i with min/max %i/%i\n", mapID, m_LastInstanceID, cloneID, softCap, maxPlayers);
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return instance;
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}
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else mLogger->Log("InstanceManager", "Failed to create a new instance!\n");
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return nullptr;
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}
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bool InstanceManager::IsPortInUse(uint32_t port) {
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for (Instance* i : m_Instances) {
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if (i && i->GetPort() == port) {
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return true;
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}
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}
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return false;
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}
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uint32_t InstanceManager::GetFreePort() {
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uint32_t port = m_LastPort;
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std::vector<uint32_t> usedPorts;
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for (Instance* i : m_Instances) {
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usedPorts.push_back(i->GetPort());
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}
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std::sort(usedPorts.begin(), usedPorts.end());
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int portIdx = 0;
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while (portIdx < usedPorts.size() && port == usedPorts[portIdx]) {
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//increment by 3 since each instance uses 3 ports (instance, world-server, world-chat)
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port += 3;
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portIdx++;
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}
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return port;
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}
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void InstanceManager::AddPlayer(SystemAddress systemAddr, LWOMAPID mapID, LWOINSTANCEID instanceID) {
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Instance* inst = FindInstance(mapID, instanceID);
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if (inst) {
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Player player;
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player.addr = systemAddr;
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player.id = 0; //TODO: Update this to include the LWOOBJID of the player's character.
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inst->AddPlayer(player);
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}
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}
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void InstanceManager::RemovePlayer(SystemAddress systemAddr, LWOMAPID mapID, LWOINSTANCEID instanceID) {
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Instance* inst = FindInstance(mapID, instanceID);
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if (inst) {
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Player player;
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player.addr = systemAddr;
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player.id = 0; //TODO: Update this to include the LWOOBJID of the player's character.
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inst->RemovePlayer(player);
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}
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}
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std::vector<Instance*> InstanceManager::GetInstances() const
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{
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return m_Instances;
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}
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void InstanceManager::AddInstance(Instance* instance) {
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if (instance == nullptr) return;
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m_Instances.push_back(instance);
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}
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void InstanceManager::RemoveInstance(Instance* instance) {
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for (uint32_t i = 0; i < m_Instances.size(); ++i)
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{
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if (m_Instances[i] == instance)
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{
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instance->SetShutdownComplete(true);
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RedirectPendingRequests(instance);
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delete m_Instances[i];
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m_Instances.erase(m_Instances.begin() + i);
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break;
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}
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}
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}
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void InstanceManager::ReadyInstance(Instance* instance)
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{
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instance->SetIsReady(true);
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auto& pending = instance->GetPendingRequests();
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for (const auto& request : pending)
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{
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const auto& zoneId = instance->GetZoneID();
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Game::logger->Log("InstanceManager", "Responding to pending request %llu -> %i (%i)\n", request, zoneId.GetMapID(), zoneId.GetCloneID());
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MasterPackets::SendZoneTransferResponse(
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Game::server,
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request.sysAddr,
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request.id,
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request.mythranShift,
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zoneId.GetMapID(),
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zoneId.GetInstanceID(),
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zoneId.GetCloneID(),
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instance->GetIP(),
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instance->GetPort()
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);
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}
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pending.clear();
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}
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void InstanceManager::RequestAffirmation(Instance* instance, const PendingInstanceRequest& request)
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{
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instance->GetPendingAffirmations().push_back(request);
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CBITSTREAM;
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PacketUtils::WriteHeader(bitStream, MASTER, MSG_MASTER_AFFIRM_TRANSFER_REQUEST);
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bitStream.Write(request.id);
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Game::server->Send(&bitStream, instance->GetSysAddr(), false);
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Game::logger->Log("MasterServer", "Sent affirmation request %llu to %i/%i\n", request.id,
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static_cast<int>(instance->GetZoneID().GetMapID()),
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static_cast<int>(instance->GetZoneID().GetCloneID())
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);
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}
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void InstanceManager::AffirmTransfer(Instance* instance, const uint64_t transferID)
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{
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auto& pending = instance->GetPendingAffirmations();
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for (auto i = 0u; i < pending.size(); ++i)
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{
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const auto& request = pending[i];
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if (request.id != transferID) continue;
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const auto& zoneId = instance->GetZoneID();
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MasterPackets::SendZoneTransferResponse(
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Game::server,
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request.sysAddr,
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request.id,
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request.mythranShift,
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zoneId.GetMapID(),
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zoneId.GetInstanceID(),
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zoneId.GetCloneID(),
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instance->GetIP(),
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instance->GetPort()
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);
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pending.erase(pending.begin() + i);
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break;
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}
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}
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void InstanceManager::RedirectPendingRequests(Instance* instance)
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{
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const auto& zoneId = instance->GetZoneID();
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for (const auto& request : instance->GetPendingAffirmations())
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{
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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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{
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in->GetPendingRequests().push_back(request);
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continue;
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}
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Game::im->RequestAffirmation(in, request);
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}
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}
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Instance* InstanceManager::GetInstanceBySysAddr(SystemAddress& sysAddr) {
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for (uint32_t i = 0; i < m_Instances.size(); ++i) {
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if (m_Instances[i] && m_Instances[i]->GetSysAddr() == sysAddr) {
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return m_Instances[i];
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}
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}
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return nullptr;
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}
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bool InstanceManager::IsInstanceFull(Instance* instance, bool isFriendTransfer) {
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if (!isFriendTransfer && instance->GetSoftCap() > instance->GetCurrentClientCount())
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return false;
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else if (isFriendTransfer && instance->GetHardCap() > instance->GetCurrentClientCount())
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return false;
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return true;
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}
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Instance * InstanceManager::FindInstance(LWOMAPID mapID, bool isFriendTransfer, LWOCLONEID cloneId) {
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for (Instance* i : m_Instances) {
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if (i && i->GetMapID() == mapID && i->GetCloneID() == cloneId && !IsInstanceFull(i, isFriendTransfer) && !i->GetIsPrivate() && !i->GetShutdownComplete()) {
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return i;
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}
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}
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return nullptr;
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}
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Instance * InstanceManager::FindInstance(LWOMAPID mapID, LWOINSTANCEID instanceID) {
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for (Instance* i : m_Instances) {
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if (i && i->GetMapID() == mapID && i->GetInstanceID() == instanceID && !i->GetIsPrivate()) {
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return i;
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}
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}
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return nullptr;
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}
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Instance* InstanceManager::CreatePrivateInstance(LWOMAPID mapID, LWOCLONEID cloneID, const std::string& password)
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{
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auto* instance = FindPrivateInstance(password);
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if (instance != nullptr)
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{
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return instance;
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}
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int maxPlayers = 999;
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uint32_t port = GetFreePort();
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instance = new Instance(mExternalIP, port, mapID, ++m_LastInstanceID, cloneID, maxPlayers, maxPlayers, true, password);
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//Start the actual process:
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std::string cmd = "start ./WorldServer.exe -zone ";
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#ifndef _WIN32
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cmd = "./WorldServer -zone ";
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#endif
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cmd.append(std::to_string(mapID));
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cmd.append(" -port ");
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cmd.append(std::to_string(port));
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cmd.append(" -instance ");
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cmd.append(std::to_string(m_LastInstanceID));
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cmd.append(" -maxclients ");
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cmd.append(std::to_string(maxPlayers));
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cmd.append(" -clone ");
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cmd.append(std::to_string(cloneID));
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#ifndef WIN32
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cmd.append("&"); //Sends our next process to the background on Linux
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#endif
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system(cmd.c_str());
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m_Instances.push_back(instance);
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if (instance) return instance;
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else mLogger->Log("InstanceManager", "Failed to create a new instance!\n");
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return instance;
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}
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Instance* InstanceManager::FindPrivateInstance(const std::string& password)
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{
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for (auto* instance : m_Instances)
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{
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if (!instance) continue;
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if (!instance->GetIsPrivate())
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{
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continue;
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}
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mLogger->Log("InstanceManager", "Password: %s == %s => %d\n", password.c_str(), instance->GetPassword().c_str(), password == instance->GetPassword());
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if (instance->GetPassword() == password)
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{
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return instance;
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}
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}
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return nullptr;
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}
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int InstanceManager::GetSoftCap(LWOMAPID mapID) {
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CDZoneTableTable* zoneTable = CDClientManager::Instance()->GetTable<CDZoneTableTable>("ZoneTable");
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if (zoneTable) {
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const CDZoneTable* zone = zoneTable->Query(mapID);
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if (zone != nullptr) {
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return zone->population_soft_cap;
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}
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}
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return 8;
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}
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int InstanceManager::GetHardCap(LWOMAPID mapID) {
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CDZoneTableTable* zoneTable = CDClientManager::Instance()->GetTable<CDZoneTableTable>("ZoneTable");
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if (zoneTable) {
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const CDZoneTable* zone = zoneTable->Query(mapID);
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if (zone != nullptr) {
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return zone->population_hard_cap;
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}
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}
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return 12;
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}
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void Instance::SetShutdownComplete(const bool value)
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{
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m_Shutdown = value;
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}
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bool Instance::GetShutdownComplete() const
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{
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return m_Shutdown;
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}
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void Instance::Shutdown()
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{
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CBITSTREAM;
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PacketUtils::WriteHeader(bitStream, MASTER, MSG_MASTER_SHUTDOWN);
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Game::server->Send(&bitStream, this->m_SysAddr, false);
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Game::logger->Log("Instance", "Triggered world shutdown\n");
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}
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