mirror of
https://github.com/BeamMP/BeamMP-Launcher.git
synced 2025-07-01 23:46:59 +00:00
291 lines
10 KiB
C++
291 lines
10 KiB
C++
////
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//// Created by Anonymous275 on 3/3/2020.
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////
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#define ENET_IMPLEMENTATION
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#include <condition_variable>
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#include "include/enet.h"
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#include <WinSock2.h>
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#include <WS2tcpip.h>
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#include <iostream>
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#include <string>
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#include <thread>
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#include <queue>
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#define DEFAULT_PORT "4445"
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typedef struct {
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ENetHost *host;
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ENetPeer *peer;
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} Client;
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std::vector<std::string> Split(const std::string& String,const std::string& delimiter);
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std::chrono::time_point<std::chrono::steady_clock> PingStart,PingEnd;
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extern std::vector<std::string> GlobalInfo;
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std::queue<std::string> RUDPToSend;
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std::queue<std::string> RUDPData;
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bool TCPTerminate = false;
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bool Terminate = false;
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bool CServer = true;
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int ping = 0;
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[[noreturn]] void CoreNetworkThread();
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void AutoPing(ENetPeer*peer){
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while(!Terminate && peer != nullptr){
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enet_peer_send(peer, 0, enet_packet_create("p", 2, ENET_PACKET_FLAG_RELIABLE));
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PingStart = std::chrono::high_resolution_clock::now();
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std::this_thread::sleep_for(std::chrono::seconds (1));
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}
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}
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void NameRespond(ENetPeer*peer){
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std::string Packet = "NR" + GlobalInfo.at(0)+":"+GlobalInfo.at(2);
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enet_peer_send(peer, 0, enet_packet_create(Packet.c_str(), Packet.length()+1, ENET_PACKET_FLAG_RELIABLE));
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}
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void RUDPParser(const std::string& Data,ENetPeer*peer){
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char Code = Data.at(0),SubCode = 0;
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if(Data.length() > 1)SubCode = Data.at(1);
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switch (Code) {
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case 'p':
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PingEnd = std::chrono::high_resolution_clock::now();
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ping = std::chrono::duration_cast<std::chrono::milliseconds>(PingEnd-PingStart).count();
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return;
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case 'N':
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if(SubCode == 'R')NameRespond(peer);
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return;
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}
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///std::cout << "Received: " << Data << std::endl;
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RUDPData.push(Data);
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}
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void HandleEvent(ENetEvent event,Client client){
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switch (event.type){
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case ENET_EVENT_TYPE_CONNECT:
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std::cout << "(Launcher->Server) Client Connected!" << std::endl;
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//printf("Client Connected port : %u.\n",event.peer->address.port);
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event.peer->data = (void*)"Connected Server";
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break;
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case ENET_EVENT_TYPE_RECEIVE:
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RUDPParser((char*)event.packet->data,event.peer);
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enet_packet_destroy(event.packet);
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break;
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case ENET_EVENT_TYPE_DISCONNECT:
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printf ("%s disconnected.\n", (char *)event.peer->data);
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event.peer->data = nullptr;
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break;
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case ENET_EVENT_TYPE_DISCONNECT_TIMEOUT:
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printf ("%s timeout.\n", (char *)event.peer->data);
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CServer = true;
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Terminate = true;
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event.peer->data = nullptr;
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break;
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case ENET_EVENT_TYPE_NONE: break;
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}
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}
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void RUDPClientThread(const std::string& IP, int Port){
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if (enet_initialize() != 0) {
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std::cout << "An error occurred while initializing RUDP.\n";
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}
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Client client;
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ENetAddress address = {0};
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address.host = ENET_HOST_ANY;
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address.port = Port;
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std::cout << "(Launcher->Server) Connecting...\n";
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enet_address_set_host(&address, IP.c_str());
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client.host = enet_host_create(nullptr, 1, 2, 0, 0);
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client.peer = enet_host_connect(client.host, &address, 2, 0);
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if (client.peer == nullptr) {
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std::cout << "could not connect\n";
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}
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std::thread Ping(AutoPing,client.peer);
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Ping.detach();
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ENetEvent event;
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do {
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enet_host_service(client.host, &event, 0);
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HandleEvent(event,client);
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while (!RUDPToSend.empty()){
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int Rel = 8;
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char C = RUDPToSend.front().at(0);
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if (C == 's' || C == 'd' || C == 'm' || C == 'r')Rel = 1;
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ENetPacket *packet = enet_packet_create(RUDPToSend.front().c_str(),
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RUDPToSend.front().length() + 1,
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Rel);
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enet_peer_send(client.peer, 0, packet);
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if (RUDPToSend.front().length() > 1000) {
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std::cout << "(Launcher->Server) Bytes sent: " << RUDPToSend.front().length() << " : "
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<< RUDPToSend.front().substr(0, 10)
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<< RUDPToSend.front().substr(RUDPToSend.front().length() - 10) << std::endl;
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}
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RUDPToSend.pop();
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}
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std::this_thread::sleep_for(std::chrono::nanoseconds(1));
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} while (!Terminate);
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enet_peer_disconnect(client.peer,0);
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enet_host_service(client.host, &event, 0);
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HandleEvent(event,client);
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CServer = true;
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std::cout << "(Launcher->Server) Terminated!" << std::endl;
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}
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void TCPRespond(const SOCKET *CS){
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SOCKET ClientSocket = *CS;
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int iSendResult;
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std::mutex m;
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while(!TCPTerminate){
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while (!RUDPData.empty()) {
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std::string Data = RUDPData.front() + "\n";
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iSendResult = send(ClientSocket, Data.c_str(), Data.length(), 0);
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if (iSendResult == SOCKET_ERROR) {
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std::cout << "(Proxy) send failed with error: " << WSAGetLastError() << std::endl;
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break;
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} else {
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if(iSendResult > 1000){
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std::cout << "(Launcher->Game) Bytes sent: " << iSendResult << " : " << RUDPData.front().substr(0,10)
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<< RUDPData.front().substr(RUDPData.front().length()-10) << std::endl;
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}
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RUDPData.pop();
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}
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}
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std::this_thread::sleep_for(std::chrono::nanoseconds(1));
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}
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}
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void TCPServerThread(const std::string& IP, int Port){
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std::cout << "Proxy Started! " << IP << ":" << Port << std::endl;
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do {
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std::cout << "Proxy on Start" << std::endl;
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WSADATA wsaData;
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int iResult;
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SOCKET ListenSocket = INVALID_SOCKET;
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SOCKET ClientSocket = INVALID_SOCKET;
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struct addrinfo *result = nullptr;
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struct addrinfo hints{};
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int iSendResult;
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char recvbuf[10000];
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int recvbuflen = 10000;
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// Initialize Winsock
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iResult = WSAStartup(MAKEWORD(2, 2), &wsaData);
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if (iResult != 0) {
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std::cout << "(Proxy) WSAStartup failed with error: " << iResult << std::endl;
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std::cin.get();
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exit(-1);
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}
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ZeroMemory(&hints, sizeof(hints));
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hints.ai_family = AF_INET;
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hints.ai_socktype = SOCK_STREAM;
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hints.ai_protocol = IPPROTO_TCP;
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hints.ai_flags = AI_PASSIVE;
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// Resolve the server address and port
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iResult = getaddrinfo(nullptr, DEFAULT_PORT, &hints, &result);
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if (iResult != 0) {
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std::cout << "(Proxy) getaddrinfo failed with error: " << iResult << std::endl;
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WSACleanup();
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break;
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}
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// Create a socket for connecting to server
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ListenSocket = socket(result->ai_family, result->ai_socktype, result->ai_protocol);
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if (ListenSocket == INVALID_SOCKET) {
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std::cout << "(Proxy) socket failed with error: " << WSAGetLastError() << std::endl;
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freeaddrinfo(result);
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WSACleanup();
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break;
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}
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// Setup the TCP listening socket
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iResult = bind(ListenSocket, result->ai_addr, (int) result->ai_addrlen);
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if (iResult == SOCKET_ERROR) {
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std::cout << "(Proxy) bind failed with error: " << WSAGetLastError() << std::endl;
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freeaddrinfo(result);
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closesocket(ListenSocket);
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WSACleanup();
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break;
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}
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freeaddrinfo(result);
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iResult = listen(ListenSocket, SOMAXCONN);
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if (iResult == SOCKET_ERROR) {
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std::cout << "(Proxy) listen failed with error: " << WSAGetLastError() << std::endl;
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closesocket(ListenSocket);
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WSACleanup();
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continue;
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}
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ClientSocket = accept(ListenSocket, NULL, NULL);
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if (ClientSocket == INVALID_SOCKET) {
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std::cout << "(Proxy) accept failed with error: " << WSAGetLastError() << std::endl;
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closesocket(ListenSocket);
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WSACleanup();
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continue;
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}
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closesocket(ListenSocket);
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std::cout << "(Proxy) Game Connected!" << std::endl;
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if(CServer){
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std::thread t1(RUDPClientThread, IP, Port);
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t1.detach();
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CServer = false;
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}
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std::thread TCPSend(TCPRespond,&ClientSocket);
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TCPSend.detach();
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do {
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//std::cout << "(Proxy) Waiting for Game Data..." << std::endl;
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iResult = recv(ClientSocket, recvbuf, recvbuflen, 0);
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if (iResult > 0) {
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std::string buff;
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buff.resize(iResult*2);
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memcpy(&buff[0],recvbuf,iResult);
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buff.resize(iResult);
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if(buff.length() > 3)RUDPToSend.push(buff);
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//std::cout << "(Game->Launcher) Data : " << buff.length() << std::endl;
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} else if (iResult == 0) {
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std::cout << "(Proxy) Connection closing...\n";
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closesocket(ClientSocket);
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WSACleanup();
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continue;
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} else {
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std::cout << "(Proxy) recv failed with error: " << WSAGetLastError() << std::endl;
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closesocket(ClientSocket);
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WSACleanup();
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continue;
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}
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} while (iResult > 0);
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iResult = shutdown(ClientSocket, SD_SEND);
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if (iResult == SOCKET_ERROR) {
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std::cout << "(Proxy) shutdown failed with error: " << WSAGetLastError() << std::endl;
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closesocket(ClientSocket);
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WSACleanup();
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continue;
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}
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closesocket(ClientSocket);
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WSACleanup();
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}while (!TCPTerminate);
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}
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void ProxyStart(){
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std::thread t1(CoreNetworkThread);
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std::cout << "Core Network Started!\n";
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t1.join();
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}
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void VehicleNetworkStart();
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void ProxyThread(const std::string& IP, int Port){
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Terminate = false;
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TCPTerminate = false;
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std::thread t1(TCPServerThread,IP,Port);
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t1.detach();
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std::thread t2(VehicleNetworkStart);
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t2.detach();
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} |