DarkflameServer/dChatServer/ChatServer.cpp
Daniel Seiler 85672e060a
fix: signal handling (#1375)
* fix: signal handling

* fix: flush WorldServer logger before main loop

* fix: consolidate signal code
2024-01-01 21:50:00 -06:00

322 lines
9.8 KiB
C++

#include <iostream>
#include <string>
#include <chrono>
#include <thread>
//DLU Includes:
#include "dCommonVars.h"
#include "dServer.h"
#include "Logger.h"
#include "Database.h"
#include "dConfig.h"
#include "dChatFilter.h"
#include "Diagnostics.h"
#include "AssetManager.h"
#include "BinaryPathFinder.h"
#include "eConnectionType.h"
#include "PlayerContainer.h"
#include "ChatPacketHandler.h"
#include "eChatMessageType.h"
#include "eChatInternalMessageType.h"
#include "eWorldMessageType.h"
#include "ChatIgnoreList.h"
#include "Game.h"
//RakNet includes:
#include "RakNetDefines.h"
#include <MessageIdentifiers.h>
namespace Game {
Logger* logger = nullptr;
dServer* server = nullptr;
dConfig* config = nullptr;
dChatFilter* chatFilter = nullptr;
AssetManager* assetManager = nullptr;
Game::signal_t lastSignal = 0;
std::mt19937 randomEngine;
PlayerContainer playerContainer;
}
Logger* SetupLogger();
void HandlePacket(Packet* packet);
int main(int argc, char** argv) {
constexpr uint32_t chatFramerate = mediumFramerate;
constexpr uint32_t chatFrameDelta = mediumFrameDelta;
Diagnostics::SetProcessName("Chat");
Diagnostics::SetProcessFileName(argv[0]);
Diagnostics::Initialize();
std::signal(SIGINT, Game::OnSignal);
std::signal(SIGTERM, Game::OnSignal);
//Create all the objects we need to run our service:
Game::logger = SetupLogger();
if (!Game::logger) return EXIT_FAILURE;
//Read our config:
Game::config = new dConfig("chatconfig.ini");
Game::logger->SetLogToConsole(Game::config->GetValue("log_to_console") != "0");
Game::logger->SetLogDebugStatements(Game::config->GetValue("log_debug_statements") == "1");
LOG("Starting Chat server...");
LOG("Version: %s", PROJECT_VERSION);
LOG("Compiled on: %s", __TIMESTAMP__);
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) {
LOG("Got an error while setting up assets: %s", ex.what());
return EXIT_FAILURE;
}
//Connect to the MySQL Database
try {
Database::Connect();
} catch (sql::SQLException& ex) {
LOG("Got an error while connecting to the database: %s", ex.what());
Database::Destroy("ChatServer");
delete Game::server;
delete Game::logger;
return EXIT_FAILURE;
}
//Find out the master's IP:
std::string masterIP;
uint32_t masterPort = 1000;
auto masterInfo = Database::Get()->GetMasterInfo();
if (masterInfo) {
masterIP = masterInfo->ip;
masterPort = masterInfo->port;
}
//It's safe to pass 'localhost' here, as the IP is only used as the external IP.
uint32_t maxClients = 50;
uint32_t ourPort = 1501;
if (Game::config->GetValue("max_clients") != "") maxClients = std::stoi(Game::config->GetValue("max_clients"));
if (Game::config->GetValue("port") != "") ourPort = std::atoi(Game::config->GetValue("port").c_str());
Game::server = new dServer(Game::config->GetValue("external_ip"), ourPort, 0, maxClients, false, true, Game::logger, masterIP, masterPort, ServerType::Chat, Game::config, &Game::lastSignal);
Game::chatFilter = new dChatFilter(Game::assetManager->GetResPath().string() + "/chatplus_en_us", bool(std::stoi(Game::config->GetValue("dont_generate_dcf"))));
Game::randomEngine = std::mt19937(time(0));
Game::playerContainer.Initialize();
//Run it until server gets a kill message from Master:
auto t = std::chrono::high_resolution_clock::now();
Packet* packet = nullptr;
constexpr uint32_t logFlushTime = 30 * chatFramerate; // 30 seconds in frames
constexpr uint32_t sqlPingTime = 10 * 60 * chatFramerate; // 10 minutes in frames
uint32_t framesSinceLastFlush = 0;
uint32_t framesSinceMasterDisconnect = 0;
uint32_t framesSinceLastSQLPing = 0;
Game::logger->Flush(); // once immediately before main loop
while (!Game::ShouldShutdown()) {
//Check if we're still connected to master:
if (!Game::server->GetIsConnectedToMaster()) {
framesSinceMasterDisconnect++;
if (framesSinceMasterDisconnect >= chatFramerate)
break; //Exit our loop, shut down.
} else framesSinceMasterDisconnect = 0;
//In world we'd update our other systems here.
//Check for packets here:
Game::server->ReceiveFromMaster(); //ReceiveFromMaster also handles the master packets if needed.
packet = Game::server->Receive();
if (packet) {
HandlePacket(packet);
Game::server->DeallocatePacket(packet);
packet = nullptr;
}
//Push our log every 30s:
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;
auto masterInfo = Database::Get()->GetMasterInfo();
if (masterInfo) {
masterIP = masterInfo->ip;
masterPort = masterInfo->port;
}
framesSinceLastSQLPing = 0;
} else framesSinceLastSQLPing++;
//Sleep our thread since auth can afford to.
t += std::chrono::milliseconds(chatFrameDelta); //Chat can run at a lower "fps"
std::this_thread::sleep_until(t);
}
//Delete our objects here:
Database::Destroy("ChatServer");
delete Game::server;
delete Game::logger;
delete Game::config;
return EXIT_SUCCESS;
}
Logger* SetupLogger() {
std::string logPath = (BinaryPathFinder::GetBinaryDir() / ("logs/ChatServer_" + std::to_string(time(nullptr)) + ".log")).string();
bool logToConsole = false;
bool logDebugStatements = false;
#ifdef _DEBUG
logToConsole = true;
logDebugStatements = true;
#endif
return new Logger(logPath, logToConsole, logDebugStatements);
}
void HandlePacket(Packet* packet) {
if (packet->data[0] == ID_DISCONNECTION_NOTIFICATION || packet->data[0] == ID_CONNECTION_LOST) {
LOG("A server has disconnected, erasing their connected players from the list.");
}
if (packet->data[0] == ID_NEW_INCOMING_CONNECTION) {
LOG("A server is connecting, awaiting user list.");
}
if (packet->length < 4) return; // Nothing left to process. Need 4 bytes to continue.
if (static_cast<eConnectionType>(packet->data[1]) == eConnectionType::CHAT_INTERNAL) {
switch (static_cast<eChatInternalMessageType>(packet->data[3])) {
case eChatInternalMessageType::PLAYER_ADDED_NOTIFICATION:
Game::playerContainer.InsertPlayer(packet);
break;
case eChatInternalMessageType::PLAYER_REMOVED_NOTIFICATION:
Game::playerContainer.RemovePlayer(packet);
break;
case eChatInternalMessageType::MUTE_UPDATE:
Game::playerContainer.MuteUpdate(packet);
break;
case eChatInternalMessageType::CREATE_TEAM:
Game::playerContainer.CreateTeamServer(packet);
break;
case eChatInternalMessageType::ANNOUNCEMENT: {
//we just forward this packet to every connected server
CINSTREAM;
Game::server->Send(&inStream, packet->systemAddress, true); //send to everyone except origin
break;
}
default:
LOG("Unknown CHAT_INTERNAL id: %i", int(packet->data[3]));
}
}
if (static_cast<eConnectionType>(packet->data[1]) == eConnectionType::CHAT) {
switch (static_cast<eChatMessageType>(packet->data[3])) {
case eChatMessageType::GET_FRIENDS_LIST:
ChatPacketHandler::HandleFriendlistRequest(packet);
break;
case eChatMessageType::GET_IGNORE_LIST:
ChatIgnoreList::GetIgnoreList(packet);
break;
case eChatMessageType::ADD_IGNORE:
ChatIgnoreList::AddIgnore(packet);
break;
case eChatMessageType::REMOVE_IGNORE:
ChatIgnoreList::RemoveIgnore(packet);
break;
case eChatMessageType::TEAM_GET_STATUS:
ChatPacketHandler::HandleTeamStatusRequest(packet);
break;
case eChatMessageType::ADD_FRIEND_REQUEST:
//this involves someone sending the initial request, the response is below, response as in from the other player.
//We basically just check to see if this player is online or not and route the packet.
ChatPacketHandler::HandleFriendRequest(packet);
break;
case eChatMessageType::ADD_FRIEND_RESPONSE:
//This isn't the response a server sent, rather it is a player's response to a received request.
//Here, we'll actually have to add them to eachother's friend lists depending on the response code.
ChatPacketHandler::HandleFriendResponse(packet);
break;
case eChatMessageType::REMOVE_FRIEND:
ChatPacketHandler::HandleRemoveFriend(packet);
break;
case eChatMessageType::GENERAL_CHAT_MESSAGE:
ChatPacketHandler::HandleChatMessage(packet);
break;
case eChatMessageType::PRIVATE_CHAT_MESSAGE:
//This message is supposed to be echo'd to both the sender and the receiver
//BUT: they have to have different responseCodes, so we'll do some of the ol hacky wacky to fix that right up.
ChatPacketHandler::HandlePrivateChatMessage(packet);
break;
case eChatMessageType::TEAM_INVITE:
ChatPacketHandler::HandleTeamInvite(packet);
break;
case eChatMessageType::TEAM_INVITE_RESPONSE:
ChatPacketHandler::HandleTeamInviteResponse(packet);
break;
case eChatMessageType::TEAM_LEAVE:
ChatPacketHandler::HandleTeamLeave(packet);
break;
case eChatMessageType::TEAM_SET_LEADER:
ChatPacketHandler::HandleTeamPromote(packet);
break;
case eChatMessageType::TEAM_KICK:
ChatPacketHandler::HandleTeamKick(packet);
break;
case eChatMessageType::TEAM_SET_LOOT:
ChatPacketHandler::HandleTeamLootOption(packet);
break;
default:
LOG("Unknown CHAT id: %i", int(packet->data[3]));
}
}
if (static_cast<eConnectionType>(packet->data[1]) == eConnectionType::WORLD) {
switch (static_cast<eWorldMessageType>(packet->data[3])) {
case eWorldMessageType::ROUTE_PACKET: {
LOG("Routing packet from world");
break;
}
default:
LOG("Unknown World id: %i", int(packet->data[3]));
}
}
}