DarkflameServer/dMasterServer/MasterServer.cpp
Aaron Kimbrell e297aacc68
Breakout message identifiers (#1065)
and make them scope enums
2023-05-03 16:38:32 -05:00

971 lines
32 KiB
C++

#include <chrono>
#include <cstdlib>
#include <ctime>
#include <iostream>
#include <map>
#include <string>
#include <thread>
#include <fstream>
#ifdef _WIN32
#include <bcrypt/BCrypt.hpp>
#else
#include <bcrypt.h>
#endif
#include <csignal>
//DLU Includes:
#include "CDClientDatabase.h"
#include "CDClientManager.h"
#include "Database.h"
#include "MigrationRunner.h"
#include "Diagnostics.h"
#include "dCommonVars.h"
#include "dConfig.h"
#include "dLogger.h"
#include "dServer.h"
#include "AssetManager.h"
#include "BinaryPathFinder.h"
#include "eConnectionType.h"
#include "eMasterMessageType.h"
//RakNet includes:
#include "RakNetDefines.h"
//Packet includes:
#include "AuthPackets.h"
#include "Game.h"
#include "InstanceManager.h"
#include "MasterPackets.h"
#include "ObjectIDManager.h"
#include "PacketUtils.h"
#include "FdbToSqlite.h"
namespace Game {
dLogger* logger = nullptr;
dServer* server = nullptr;
InstanceManager* im = nullptr;
dConfig* config = nullptr;
AssetManager* assetManager = nullptr;
bool shouldShutdown = false;
} //namespace Game
bool shutdownSequenceStarted = false;
void ShutdownSequence(int32_t signal = -1);
int32_t FinalizeShutdown(int32_t signal = -1);
dLogger* SetupLogger();
void StartAuthServer();
void StartChatServer();
void HandlePacket(Packet* packet);
std::map<uint32_t, std::string> activeSessions;
SystemAddress authServerMasterPeerSysAddr;
SystemAddress chatServerMasterPeerSysAddr;
int main(int argc, char** argv) {
constexpr uint32_t masterFramerate = mediumFramerate;
constexpr uint32_t masterFrameDelta = mediumFrameDelta;
Diagnostics::SetProcessName("Master");
Diagnostics::SetProcessFileName(argv[0]);
Diagnostics::Initialize();
#if defined(_WIN32) && defined(MARIADB_PLUGIN_DIR_OVERRIDE)
_putenv_s("MARIADB_PLUGIN_DIR", MARIADB_PLUGIN_DIR_OVERRIDE);
#endif
//Triggers the shutdown sequence at application exit
std::atexit([]() { ShutdownSequence(); });
signal(SIGINT, [](int32_t signal) { ShutdownSequence(EXIT_FAILURE); });
signal(SIGTERM, [](int32_t signal) { ShutdownSequence(EXIT_FAILURE); });
//Create all the objects we need to run our service:
Game::logger = SetupLogger();
if (!Game::logger) return EXIT_FAILURE;
if (!std::filesystem::exists(BinaryPathFinder::GetBinaryDir() / "authconfig.ini")) {
Game::logger->Log("MasterServer", "Couldnt find authconfig.ini");
return EXIT_FAILURE;
}
if (!std::filesystem::exists(BinaryPathFinder::GetBinaryDir() / "chatconfig.ini")) {
Game::logger->Log("MasterServer", "Couldnt find chatconfig.ini");
return EXIT_FAILURE;
}
if (!std::filesystem::exists(BinaryPathFinder::GetBinaryDir() / "masterconfig.ini")) {
Game::logger->Log("MasterServer", "Couldnt find masterconfig.ini");
return EXIT_FAILURE;
}
if (!std::filesystem::exists(BinaryPathFinder::GetBinaryDir() / "sharedconfig.ini")) {
Game::logger->Log("MasterServer", "Couldnt find sharedconfig.ini");
return EXIT_FAILURE;
}
if (!std::filesystem::exists(BinaryPathFinder::GetBinaryDir() / "worldconfig.ini")) {
Game::logger->Log("MasterServer", "Couldnt find worldconfig.ini");
return EXIT_FAILURE;
}
Game::config = new dConfig((BinaryPathFinder::GetBinaryDir() / "masterconfig.ini").string());
Game::logger->SetLogToConsole(Game::config->GetValue("log_to_console") != "0");
Game::logger->SetLogDebugStatements(Game::config->GetValue("log_debug_statements") == "1");
Game::logger->Log("MasterServer", "Starting Master server...");
Game::logger->Log("MasterServer", "Version: %i.%i", PROJECT_VERSION_MAJOR, PROJECT_VERSION_MINOR);
Game::logger->Log("MasterServer", "Compiled on: %s", __TIMESTAMP__);
//Connect to the MySQL Database
std::string mysql_host = Game::config->GetValue("mysql_host");
std::string mysql_database = Game::config->GetValue("mysql_database");
std::string mysql_username = Game::config->GetValue("mysql_username");
std::string mysql_password = Game::config->GetValue("mysql_password");
try {
Database::Connect(mysql_host, mysql_database, mysql_username, mysql_password);
} catch (sql::SQLException& ex) {
Game::logger->Log("MasterServer", "Got an error while connecting to the database: %s", ex.what());
Game::logger->Log("MigrationRunner", "Migrations not run");
return EXIT_FAILURE;
}
try {
std::string clientPathStr = Game::config->GetValue("client_location");
if (clientPathStr.empty()) clientPathStr = "./res";
std::filesystem::path clientPath = std::filesystem::path(clientPathStr);
if (clientPath.is_relative()) {
clientPath = BinaryPathFinder::GetBinaryDir() / clientPath;
}
Game::assetManager = new AssetManager(clientPath);
} catch (std::runtime_error& ex) {
Game::logger->Log("MasterServer", "Got an error while setting up assets: %s", ex.what());
return EXIT_FAILURE;
}
MigrationRunner::RunMigrations();
const bool cdServerExists = std::filesystem::exists(BinaryPathFinder::GetBinaryDir() / "resServer" / "CDServer.sqlite");
const bool oldCDServerExists = std::filesystem::exists(Game::assetManager->GetResPath() / "CDServer.sqlite");
const bool fdbExists = std::filesystem::exists(Game::assetManager->GetResPath() / "cdclient.fdb");
if (!cdServerExists) {
if (oldCDServerExists) {
// If the file doesn't exist in the new CDServer location, copy it there. We copy because we may not have write permissions from the previous directory.
Game::logger->Log("MasterServer", "CDServer.sqlite is not located at resServer, but is located at res path. Copying file...");
std::filesystem::copy_file(Game::assetManager->GetResPath() / "CDServer.sqlite", BinaryPathFinder::GetBinaryDir() / "resServer" / "CDServer.sqlite");
} else {
Game::logger->Log("MasterServer",
"%s could not be found in resServer or res. Looking for %s to convert to sqlite.",
(BinaryPathFinder::GetBinaryDir() / "resServer" / "CDServer.sqlite").c_str(),
(Game::assetManager->GetResPath() / "cdclient.fdb").c_str());
AssetMemoryBuffer cdClientBuffer = Game::assetManager->GetFileAsBuffer("cdclient.fdb");
if (!cdClientBuffer.m_Success) {
Game::logger->Log("MasterServer", "Failed to load %s", (Game::assetManager->GetResPath() / "cdclient.fdb").c_str());
throw std::runtime_error("Aborting initialization due to missing cdclient.fdb.");
}
Game::logger->Log("MasterServer", "Found %s. Converting to SQLite", (Game::assetManager->GetResPath() / "cdclient.fdb").c_str());
Game::logger->Flush();
if (FdbToSqlite::Convert((BinaryPathFinder::GetBinaryDir() / "resServer").string()).ConvertDatabase(cdClientBuffer) == false) {
Game::logger->Log("MasterServer", "Failed to convert fdb to sqlite.");
return EXIT_FAILURE;
}
cdClientBuffer.close();
}
}
//Connect to CDClient
try {
CDClientDatabase::Connect((BinaryPathFinder::GetBinaryDir() / "resServer" / "CDServer.sqlite").string());
} catch (CppSQLite3Exception& e) {
Game::logger->Log("WorldServer", "Unable to connect to CDServer SQLite Database");
Game::logger->Log("WorldServer", "Error: %s", e.errorMessage());
Game::logger->Log("WorldServer", "Error Code: %i", e.errorCode());
return EXIT_FAILURE;
}
// Run migrations should any need to be run.
MigrationRunner::RunSQLiteMigrations();
//Get CDClient initial information
try {
CDClientManager::Instance();
} catch (CppSQLite3Exception& e) {
Game::logger->Log("WorldServer", "Failed to initialize CDServer SQLite Database");
Game::logger->Log("WorldServer", "May be caused by corrupted file: %s", (Game::assetManager->GetResPath() / "CDServer.sqlite").string().c_str());
Game::logger->Log("WorldServer", "Error: %s", e.errorMessage());
Game::logger->Log("WorldServer", "Error Code: %i", e.errorCode());
return EXIT_FAILURE;
}
//If the first command line argument is -a or --account then make the user
//input a username and password, with the password being hidden.
if (argc > 1 &&
(strcmp(argv[1], "-a") == 0 || strcmp(argv[1], "--account") == 0)) {
std::string username;
std::string password;
std::cout << "Enter a username: ";
std::cin >> username;
std::unique_ptr<sql::PreparedStatement> userLookupStatement(Database::CreatePreppedStmt("SELECT id FROM accounts WHERE name=? LIMIT 1;"));
userLookupStatement->setString(1, username.c_str());
std::unique_ptr<sql::ResultSet> res(userLookupStatement->executeQuery());
if (res->rowsCount() > 0) {
Game::logger->Log("MasterServer", "Account with name \"%s\" already exists", username.c_str());
std::cout << "Do you want to change the password of that account? [y/n]?";
std::string prompt = "";
std::cin >> prompt;
if (prompt == "y" || prompt == "yes"){
uint32_t accountId = 0;
res->next();
accountId = res->getUInt(1);
if (accountId == 0) return EXIT_FAILURE;
//Read the password from the console without echoing it.
#ifdef __linux__
//This function is obsolete, but it only meant to be used by the
//sysadmin to create their first account.
password = getpass("Enter a password: ");
#else
std::cout << "Enter a password: ";
std::cin >> password;
#endif
// Regenerate hash based on new password
char salt[BCRYPT_HASHSIZE];
char hash[BCRYPT_HASHSIZE];
int32_t bcryptState = ::bcrypt_gensalt(12, salt);
assert(bcryptState == 0);
bcryptState = ::bcrypt_hashpw(password.c_str(), salt, hash);
assert(bcryptState == 0);
std::unique_ptr<sql::PreparedStatement> userUpdateStatement(Database::CreatePreppedStmt("UPDATE accounts SET password = ? WHERE id = ?;"));
userUpdateStatement->setString(1, std::string(hash, BCRYPT_HASHSIZE).c_str());
userUpdateStatement->setUInt(2, accountId);
userUpdateStatement->execute();
Game::logger->Log("MasterServer", "Account \"%s\" password updated successfully!", username.c_str());
} else {
Game::logger->Log("MasterServer", "Account \"%s\" was not updated.", username.c_str());
}
return EXIT_SUCCESS;
}
//Read the password from the console without echoing it.
#ifdef __linux__
//This function is obsolete, but it only meant to be used by the
//sysadmin to create their first account.
password = getpass("Enter a password: ");
#else
std::cout << "Enter a password: ";
std::cin >> password;
#endif
//Generate new hash for bcrypt
char salt[BCRYPT_HASHSIZE];
char hash[BCRYPT_HASHSIZE];
int32_t bcryptState = ::bcrypt_gensalt(12, salt);
assert(bcryptState == 0);
bcryptState = ::bcrypt_hashpw(password.c_str(), salt, hash);
assert(bcryptState == 0);
//Create account
try {
std::unique_ptr<sql::PreparedStatement> statement(Database::CreatePreppedStmt("INSERT INTO accounts (name, password, gm_level) VALUES (?, ?, ?);"));
statement->setString(1, username.c_str());
statement->setString(2, std::string(hash, BCRYPT_HASHSIZE).c_str());
statement->setInt(3, 9);
statement->execute();
} catch(sql::SQLException& e) {
Game::logger->Log("MasterServer", "A SQL error occurred!:\n %s", e.what());
return EXIT_FAILURE;
}
Game::logger->Log("MasterServer", "Account created successfully!");
return EXIT_SUCCESS;
}
uint32_t maxClients = 999;
uint32_t ourPort = 1000;
if (Game::config->GetValue("max_clients") != "") maxClients = std::stoi(Game::config->GetValue("max_clients"));
if (Game::config->GetValue("port") != "") ourPort = std::stoi(Game::config->GetValue("port"));
Game::server = new dServer(Game::config->GetValue("external_ip"), ourPort, 0, maxClients, true, false, Game::logger, "", 0, ServerType::Master, Game::config, &Game::shouldShutdown);
//Query for the database for a server labeled "master"
auto* masterLookupStatement = Database::CreatePreppedStmt("SELECT id FROM `servers` WHERE `name` = 'master'");
auto* result = masterLookupStatement->executeQuery();
auto master_server_ip = Game::config->GetValue("master_ip");
if (master_server_ip == "") {
master_server_ip = Game::server->GetIP();
}
//If we found a server, update it's IP and port to the current one.
if (result->next()) {
auto* updateStatement = Database::CreatePreppedStmt("UPDATE `servers` SET `ip` = ?, `port` = ? WHERE `id` = ?");
updateStatement->setString(1, master_server_ip.c_str());
updateStatement->setInt(2, Game::server->GetPort());
updateStatement->setInt(3, result->getInt("id"));
updateStatement->execute();
delete updateStatement;
} else {
//If we didn't find a server, create one.
auto* insertStatement = Database::CreatePreppedStmt("INSERT INTO `servers` (`name`, `ip`, `port`, `state`, `version`) VALUES ('master', ?, ?, 0, 171023)");
insertStatement->setString(1, master_server_ip.c_str());
insertStatement->setInt(2, Game::server->GetPort());
insertStatement->execute();
delete insertStatement;
}
//Create additional objects here:
ObjectIDManager::Instance()->Initialize(Game::logger);
Game::im = new InstanceManager(Game::logger, Game::server->GetIP());
//Depending on the config, start up servers:
if (Game::config->GetValue("prestart_servers") != "" && Game::config->GetValue("prestart_servers") == "1") {
StartChatServer();
Game::im->GetInstance(0, false, 0);
Game::im->GetInstance(1000, false, 0);
StartAuthServer();
}
auto t = std::chrono::high_resolution_clock::now();
Packet* packet = nullptr;
constexpr uint32_t logFlushTime = 15 * masterFramerate;
constexpr uint32_t sqlPingTime = 10 * 60 * masterFramerate;
constexpr uint32_t shutdownUniverseTime = 10 * 60 * masterFramerate;
constexpr uint32_t instanceReadyTimeout = 30 * masterFramerate;
uint32_t framesSinceLastFlush = 0;
uint32_t framesSinceLastSQLPing = 0;
uint32_t framesSinceKillUniverseCommand = 0;
while (true) {
//In world we'd update our other systems here.
//Check for packets here:
packet = Game::server->Receive();
if (packet) {
HandlePacket(packet);
Game::server->DeallocatePacket(packet);
packet = nullptr;
}
//Push our log every 15s:
if (framesSinceLastFlush >= logFlushTime) {
Game::logger->Flush();
framesSinceLastFlush = 0;
} else
framesSinceLastFlush++;
//Every 10 min we ping our sql server to keep it alive hopefully:
if (framesSinceLastSQLPing >= sqlPingTime) {
//Find out the master's IP for absolutely no reason:
std::string masterIP;
uint32_t masterPort;
sql::PreparedStatement* stmt = Database::CreatePreppedStmt("SELECT ip, port FROM servers WHERE name='master';");
auto res = stmt->executeQuery();
while (res->next()) {
masterIP = res->getString(1).c_str();
masterPort = res->getInt(2);
}
delete res;
delete stmt;
framesSinceLastSQLPing = 0;
} else
framesSinceLastSQLPing++;
//10m shutdown for universe kill command
if (Game::shouldShutdown) {
if (framesSinceKillUniverseCommand >= shutdownUniverseTime) {
//Break main loop and exit
break;
} else
framesSinceKillUniverseCommand++;
}
const auto instances = Game::im->GetInstances();
for (auto* instance : instances) {
if (instance == nullptr) {
break;
}
auto affirmTimeout = instance->GetAffirmationTimeout();
if (!instance->GetPendingAffirmations().empty()) {
affirmTimeout++;
} else {
affirmTimeout = 0;
}
instance->SetAffirmationTimeout(affirmTimeout);
if (affirmTimeout == instanceReadyTimeout) {
instance->Shutdown();
instance->SetIsShuttingDown(true);
Game::im->RedirectPendingRequests(instance);
}
}
//Remove dead instances
for (auto* instance : instances) {
if (instance == nullptr) {
break;
}
if (instance->GetShutdownComplete()) {
Game::im->RemoveInstance(instance);
}
}
t += std::chrono::milliseconds(masterFrameDelta);
std::this_thread::sleep_until(t);
}
return FinalizeShutdown(EXIT_SUCCESS);
}
dLogger* SetupLogger() {
std::string logPath =
(BinaryPathFinder::GetBinaryDir() / ("logs/MasterServer_" + std::to_string(time(nullptr)) + ".log")).string();
bool logToConsole = false;
bool logDebugStatements = false;
#ifdef _DEBUG
logToConsole = true;
logDebugStatements = true;
#endif
return new dLogger(logPath, logToConsole, logDebugStatements);
}
void HandlePacket(Packet* packet) {
if (packet->data[0] == ID_DISCONNECTION_NOTIFICATION) {
Game::logger->Log("MasterServer", "A server has disconnected");
//Since this disconnection is intentional, we'll just delete it as
//we'll start a new one anyway if needed:
Instance* instance =
Game::im->GetInstanceBySysAddr(packet->systemAddress);
if (instance) {
Game::logger->Log("MasterServer", "Actually disconnected from zone %i clone %i instance %i port %i", instance->GetMapID(), instance->GetCloneID(), instance->GetInstanceID(), instance->GetPort());
Game::im->RemoveInstance(instance); //Delete the old
}
if (packet->systemAddress == chatServerMasterPeerSysAddr) {
chatServerMasterPeerSysAddr = UNASSIGNED_SYSTEM_ADDRESS;
StartChatServer();
}
if (packet->systemAddress == authServerMasterPeerSysAddr) {
authServerMasterPeerSysAddr = UNASSIGNED_SYSTEM_ADDRESS;
StartAuthServer();
}
}
if (packet->data[0] == ID_CONNECTION_LOST) {
Game::logger->Log("MasterServer", "A server has lost the connection");
Instance* instance =
Game::im->GetInstanceBySysAddr(packet->systemAddress);
if (instance) {
LWOZONEID zoneID = instance->GetZoneID(); //Get the zoneID so we can recreate a server
Game::im->RemoveInstance(instance); //Delete the old
}
if (packet->systemAddress == chatServerMasterPeerSysAddr) {
chatServerMasterPeerSysAddr = UNASSIGNED_SYSTEM_ADDRESS;
StartChatServer();
}
if (packet->systemAddress == authServerMasterPeerSysAddr) {
authServerMasterPeerSysAddr = UNASSIGNED_SYSTEM_ADDRESS;
StartAuthServer();
}
}
if (static_cast<eConnectionType>(packet->data[1]) == eConnectionType::MASTER) {
switch (static_cast<eMasterMessageType>(packet->data[3])) {
case eMasterMessageType::REQUEST_PERSISTENT_ID: {
Game::logger->Log("MasterServer", "A persistent ID req");
RakNet::BitStream inStream(packet->data, packet->length, false);
uint64_t header = inStream.Read(header);
uint64_t requestID = 0;
inStream.Read(requestID);
uint32_t objID = ObjectIDManager::Instance()->GeneratePersistentID();
MasterPackets::SendPersistentIDResponse(Game::server, packet->systemAddress, requestID, objID);
break;
}
case eMasterMessageType::REQUEST_ZONE_TRANSFER: {
Game::logger->Log("MasterServer", "Received zone transfer req");
RakNet::BitStream inStream(packet->data, packet->length, false);
uint64_t header = inStream.Read(header);
uint64_t requestID = 0;
uint8_t mythranShift = false;
uint32_t zoneID = 0;
uint32_t zoneClone = 0;
inStream.Read(requestID);
inStream.Read(mythranShift);
inStream.Read(zoneID);
inStream.Read(zoneClone);
if (shutdownSequenceStarted) {
Game::logger->Log("MasterServer", "Shutdown sequence has been started. Not creating a new zone.");
break;
}
Instance* in = Game::im->GetInstance(zoneID, false, zoneClone);
for (auto* instance : Game::im->GetInstances()) {
Game::logger->Log("MasterServer", "Instance: %i/%i/%i -> %i", instance->GetMapID(), instance->GetCloneID(), instance->GetInstanceID(), instance == in);
}
if (in && !in->GetIsReady()) //Instance not ready, make a pending request
{
in->GetPendingRequests().push_back({ requestID, static_cast<bool>(mythranShift), packet->systemAddress });
Game::logger->Log("MasterServer", "Server not ready, adding pending request %llu %i %i", requestID, zoneID, zoneClone);
break;
}
//Instance is ready, transfer
Game::logger->Log("MasterServer", "Responding to transfer request %llu for zone %i %i", requestID, zoneID, zoneClone);
Game::im->RequestAffirmation(in, { requestID, static_cast<bool>(mythranShift), packet->systemAddress });
break;
}
case eMasterMessageType::SERVER_INFO: {
//MasterPackets::HandleServerInfo(packet);
//This is here because otherwise we'd have to include IM in
//non-master servers. This packet allows us to add World
//servers back if master crashed
RakNet::BitStream inStream(packet->data, packet->length, false);
uint64_t header = inStream.Read(header);
uint32_t theirPort = 0;
uint32_t theirZoneID = 0;
uint32_t theirInstanceID = 0;
ServerType theirServerType;
std::string theirIP = "";
inStream.Read(theirPort);
inStream.Read(theirZoneID);
inStream.Read(theirInstanceID);
inStream.Read(theirServerType);
theirIP = PacketUtils::ReadString(24, packet, false); //24 is the current offset
if (theirServerType == ServerType::World && !Game::im->IsPortInUse(theirPort)) {
Instance* in = new Instance(theirIP, theirPort, theirZoneID, theirInstanceID, 0, 12, 12);
SystemAddress copy;
copy.binaryAddress = packet->systemAddress.binaryAddress;
copy.port = packet->systemAddress.port;
in->SetSysAddr(copy);
Game::im->AddInstance(in);
} else {
auto instance = Game::im->FindInstance(
theirZoneID, static_cast<uint16_t>(theirInstanceID));
if (instance) {
instance->SetSysAddr(packet->systemAddress);
}
}
if (theirServerType == ServerType::Chat) {
SystemAddress copy;
copy.binaryAddress = packet->systemAddress.binaryAddress;
copy.port = packet->systemAddress.port;
chatServerMasterPeerSysAddr = copy;
}
if (theirServerType == ServerType::Auth) {
SystemAddress copy;
copy.binaryAddress = packet->systemAddress.binaryAddress;
copy.port = packet->systemAddress.port;
authServerMasterPeerSysAddr = copy;
}
Game::logger->Log("MasterServer", "Received server info, instance: %i port: %i", theirInstanceID, theirPort);
break;
}
case eMasterMessageType::SET_SESSION_KEY: {
RakNet::BitStream inStream(packet->data, packet->length, false);
uint64_t header = inStream.Read(header);
uint32_t sessionKey = 0;
std::string username;
inStream.Read(sessionKey);
username = PacketUtils::ReadString(12, packet, false);
for (auto it : activeSessions) {
if (it.second == username) {
activeSessions.erase(it.first);
CBITSTREAM;
PacketUtils::WriteHeader(bitStream, eConnectionType::MASTER, eMasterMessageType::NEW_SESSION_ALERT);
bitStream.Write(sessionKey);
bitStream.Write<uint32_t>(username.size());
for (auto character : username) {
bitStream.Write(character);
}
SEND_PACKET_BROADCAST;
break;
}
}
activeSessions.insert(std::make_pair(sessionKey, username));
Game::logger->Log("MasterServer", "Got sessionKey %i for user %s", sessionKey, username.c_str());
break;
}
case eMasterMessageType::REQUEST_SESSION_KEY: {
RakNet::BitStream inStream(packet->data, packet->length, false);
uint64_t header = inStream.Read(header);
std::string username = PacketUtils::ReadString(8, packet, false);
for (auto key : activeSessions) {
if (key.second == username) {
CBITSTREAM;
PacketUtils::WriteHeader(bitStream, eConnectionType::MASTER, eMasterMessageType::SESSION_KEY_RESPONSE);
bitStream.Write(key.first);
PacketUtils::WriteString(bitStream, key.second, 64);
Game::server->Send(&bitStream, packet->systemAddress, false);
break;
}
}
break;
}
case eMasterMessageType::PLAYER_ADDED: {
RakNet::BitStream inStream(packet->data, packet->length, false);
uint64_t header = inStream.Read(header);
LWOMAPID theirZoneID = 0;
LWOINSTANCEID theirInstanceID = 0;
inStream.Read(theirZoneID);
inStream.Read(theirInstanceID);
auto instance =
Game::im->FindInstance(theirZoneID, theirInstanceID);
if (instance) {
instance->AddPlayer(Player());
} else {
printf("Instance missing? What?");
}
break;
}
case eMasterMessageType::PLAYER_REMOVED: {
RakNet::BitStream inStream(packet->data, packet->length, false);
uint64_t header = inStream.Read(header);
LWOMAPID theirZoneID = 0;
LWOINSTANCEID theirInstanceID = 0;
inStream.Read(theirZoneID);
inStream.Read(theirInstanceID);
auto instance =
Game::im->FindInstance(theirZoneID, theirInstanceID);
if (instance) {
instance->RemovePlayer(Player());
}
break;
}
case eMasterMessageType::CREATE_PRIVATE_ZONE: {
RakNet::BitStream inStream(packet->data, packet->length, false);
uint64_t header = inStream.Read(header);
uint32_t mapId;
LWOCLONEID cloneId;
std::string password;
inStream.Read(mapId);
inStream.Read(cloneId);
uint32_t len;
inStream.Read<uint32_t>(len);
for (uint32_t i = 0; len > i; i++) {
char character;
inStream.Read<char>(character);
password += character;
}
Game::im->CreatePrivateInstance(mapId, cloneId, password.c_str());
break;
}
case eMasterMessageType::REQUEST_PRIVATE_ZONE: {
RakNet::BitStream inStream(packet->data, packet->length, false);
uint64_t header = inStream.Read(header);
uint64_t requestID = 0;
uint8_t mythranShift = false;
std::string password;
inStream.Read(requestID);
inStream.Read(mythranShift);
uint32_t len;
inStream.Read<uint32_t>(len);
for (uint32_t i = 0; i < len; i++) {
char character; inStream.Read<char>(character);
password += character;
}
auto* instance = Game::im->FindPrivateInstance(password.c_str());
Game::logger->Log("MasterServer", "Join private zone: %llu %d %s %p", requestID, mythranShift, password.c_str(), instance);
if (instance == nullptr) {
return;
}
const auto& zone = instance->GetZoneID();
MasterPackets::SendZoneTransferResponse(Game::server, packet->systemAddress, requestID, (bool)mythranShift, zone.GetMapID(), instance->GetInstanceID(), zone.GetCloneID(), instance->GetIP(), instance->GetPort());
break;
}
case eMasterMessageType::WORLD_READY: {
RakNet::BitStream inStream(packet->data, packet->length, false);
uint64_t header = inStream.Read(header);
LWOMAPID zoneID;
LWOINSTANCEID instanceID;
inStream.Read(zoneID);
inStream.Read(instanceID);
Game::logger->Log("MasterServer", "Got world ready %i %i", zoneID, instanceID);
auto* instance = Game::im->FindInstance(zoneID, instanceID);
if (instance == nullptr) {
Game::logger->Log("MasterServer", "Failed to find zone to ready");
return;
}
Game::logger->Log("MasterServer", "Ready zone %i", zoneID);
Game::im->ReadyInstance(instance);
break;
}
case eMasterMessageType::PREP_ZONE: {
RakNet::BitStream inStream(packet->data, packet->length, false);
uint64_t header = inStream.Read(header);
int32_t zoneID;
inStream.Read(zoneID);
if (shutdownSequenceStarted) {
Game::logger->Log("MasterServer", "Shutdown sequence has been started. Not prepping a new zone.");
break;
} else {
Game::logger->Log("MasterServer", "Prepping zone %i", zoneID);
Game::im->GetInstance(zoneID, false, 0);
}
break;
}
case eMasterMessageType::AFFIRM_TRANSFER_RESPONSE: {
RakNet::BitStream inStream(packet->data, packet->length, false);
uint64_t header = inStream.Read(header);
uint64_t requestID;
inStream.Read(requestID);
Game::logger->Log("MasterServer", "Got affirmation of transfer %llu", requestID);
auto* instance = Game::im->GetInstanceBySysAddr(packet->systemAddress);
if (instance == nullptr)
return;
Game::im->AffirmTransfer(instance, requestID);
Game::logger->Log("MasterServer", "Affirmation complete %llu", requestID);
break;
}
case eMasterMessageType::SHUTDOWN_RESPONSE: {
RakNet::BitStream inStream(packet->data, packet->length, false);
uint64_t header = inStream.Read(header);
auto* instance = Game::im->GetInstanceBySysAddr(packet->systemAddress);
if (instance == nullptr) {
return;
}
Game::logger->Log("MasterServer", "Got shutdown response from zone %i clone %i instance %i port %i", instance->GetMapID(), instance->GetCloneID(), instance->GetInstanceID(), instance->GetPort());
instance->SetIsShuttingDown(true);
break;
}
case eMasterMessageType::SHUTDOWN_UNIVERSE: {
Game::logger->Log("MasterServer", "Received shutdown universe command, shutting down in 10 minutes.");
Game::shouldShutdown = true;
break;
}
default:
Game::logger->Log("MasterServer", "Unknown master packet ID from server: %i", packet->data[3]);
}
}
}
void StartChatServer() {
if (Game::shouldShutdown) {
Game::logger->Log("MasterServer", "Currently shutting down. Chat will not be restarted.");
return;
}
#ifdef __APPLE__
//macOS doesn't need sudo to run on ports < 1024
auto result = system(((BinaryPathFinder::GetBinaryDir() / "ChatServer").string() + "&").c_str());
#elif _WIN32
auto result = system(("start " + (BinaryPathFinder::GetBinaryDir() / "ChatServer.exe").string()).c_str());
#else
if (std::atoi(Game::config->GetValue("use_sudo_chat").c_str())) {
auto result = system(("sudo " + (BinaryPathFinder::GetBinaryDir() / "ChatServer").string() + "&").c_str());
} else {
auto result = system(((BinaryPathFinder::GetBinaryDir() / "ChatServer").string() + "&").c_str());
}
#endif
}
void StartAuthServer() {
if (Game::shouldShutdown) {
Game::logger->Log("MasterServer", "Currently shutting down. Auth will not be restarted.");
return;
}
#ifdef __APPLE__
auto result = system(((BinaryPathFinder::GetBinaryDir() / "AuthServer").string() + "&").c_str());
#elif _WIN32
auto result = system(("start " + (BinaryPathFinder::GetBinaryDir() / "AuthServer.exe").string()).c_str());
#else
if (std::atoi(Game::config->GetValue("use_sudo_auth").c_str())) {
auto result = system(("sudo " + (BinaryPathFinder::GetBinaryDir() / "AuthServer").string() + "&").c_str());
} else {
auto result = system(((BinaryPathFinder::GetBinaryDir() / "AuthServer").string() + "&").c_str());
}
#endif
}
void ShutdownSequence(int32_t signal) {
if (shutdownSequenceStarted) {
return;
}
if (!Game::im) {
FinalizeShutdown(EXIT_FAILURE);
}
Game::im->SetIsShuttingDown(true);
shutdownSequenceStarted = true;
Game::shouldShutdown = true;
{
CBITSTREAM;
PacketUtils::WriteHeader(bitStream, eConnectionType::MASTER, eMasterMessageType::SHUTDOWN);
Game::server->Send(&bitStream, UNASSIGNED_SYSTEM_ADDRESS, true);
Game::logger->Log("MasterServer", "Triggered master shutdown");
}
auto* objIdManager = ObjectIDManager::TryInstance();
if (objIdManager) {
objIdManager->SaveToDatabase();
Game::logger->Log("MasterServer", "Saved ObjectIDTracker to DB");
}
// A server might not be finished spinning up yet, remove all of those here.
for (auto* instance : Game::im->GetInstances()) {
if (!instance->GetIsReady()) {
Game::im->RemoveInstance(instance);
}
}
for (auto* instance : Game::im->GetInstances()) {
instance->SetIsShuttingDown(true);
}
Game::logger->Log("MasterServer", "Attempting to shutdown instances, max 60 seconds...");
auto t = std::chrono::high_resolution_clock::now();
uint32_t framesSinceShutdownStart = 0;
constexpr uint32_t maxShutdownTime = 60 * mediumFramerate;
bool allInstancesShutdown = false;
Packet* packet = nullptr;
while (true) {
packet = Game::server->Receive();
if (packet) {
HandlePacket(packet);
Game::server->DeallocatePacket(packet);
packet = nullptr;
}
allInstancesShutdown = true;
for (auto* instance : Game::im->GetInstances()) {
if (instance == nullptr) {
continue;
}
if (!instance->GetShutdownComplete()) {
allInstancesShutdown = false;
}
}
if (allInstancesShutdown && authServerMasterPeerSysAddr == UNASSIGNED_SYSTEM_ADDRESS && chatServerMasterPeerSysAddr == UNASSIGNED_SYSTEM_ADDRESS) {
Game::logger->Log("MasterServer", "Finished shutting down MasterServer!");
break;
}
t += std::chrono::milliseconds(mediumFrameDelta);
std::this_thread::sleep_until(t);
framesSinceShutdownStart++;
if (framesSinceShutdownStart == maxShutdownTime) {
Game::logger->Log("MasterServer", "Finished shutting down by timeout!");
break;
}
}
FinalizeShutdown(signal);
}
int32_t FinalizeShutdown(int32_t signal) {
//Delete our objects here:
Database::Destroy("MasterServer");
if (Game::config) delete Game::config;
if (Game::im) delete Game::im;
if (Game::server) delete Game::server;
if (Game::logger) delete Game::logger;
if (signal != EXIT_SUCCESS) exit(signal);
return signal;
}