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OOP TCP + OOP threads: CLIENT SIDE (windows 11)
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| #define WIN32_LEAN_AND_MEAN | |
| #include <iostream> | |
| #include <ws2tcpip.h> | |
| #include <thread> | |
| #include <string> | |
| using namespace std; | |
| #pragma comment(lib, "Ws2_32.lib") | |
| #define DEFAULT_BUFLEN 512 | |
| #define DEFAULT_PORT "27015" | |
| #define PAUSE 1 | |
| #define SERVER_IP "localhost" | |
| class TcpClient { | |
| SOCKET connectSocket; | |
| atomic<bool> running; | |
| bool initializeWinsock() { | |
| WSADATA wsaData; | |
| int result = WSAStartup(MAKEWORD(2, 2), &wsaData); | |
| if (result != 0) { | |
| cerr << "не вдалося ініціалізувати Winsock: " << result << "\n"; | |
| return false; | |
| } | |
| return true; | |
| } | |
| bool createAndConnectSocket(const char* ip, const char* port) { | |
| addrinfo hints {}; | |
| hints.ai_family = AF_UNSPEC; | |
| hints.ai_socktype = SOCK_STREAM; | |
| hints.ai_protocol = IPPROTO_TCP; | |
| addrinfo* result = nullptr; | |
| if (getaddrinfo(ip, port, &hints, &result) != 0) { | |
| cerr << "getaddrinfo не вдалося.\n"; | |
| WSACleanup(); | |
| return false; | |
| } | |
| for (addrinfo* ptr = result; ptr != nullptr; ptr = ptr->ai_next) { | |
| connectSocket = socket(ptr->ai_family, ptr->ai_socktype, ptr->ai_protocol); | |
| if (connectSocket == INVALID_SOCKET) { | |
| cerr << "не вдалося створити сокет.\n"; | |
| continue; | |
| } | |
| if (connect(connectSocket, ptr->ai_addr, (int)ptr->ai_addrlen) == SOCKET_ERROR) { | |
| closesocket(connectSocket); | |
| connectSocket = INVALID_SOCKET; | |
| continue; | |
| } | |
| break; | |
| } | |
| freeaddrinfo(result); | |
| if (connectSocket == INVALID_SOCKET) { | |
| cerr << "неможливо підключитися до сервера!\n"; | |
| WSACleanup(); | |
| return false; | |
| } | |
| return true; | |
| } | |
| void sender() { | |
| while (running) { | |
| string message; | |
| cout << "введіть повідомлення для сервера: "; | |
| getline(cin, message); | |
| if (send(connectSocket, message.c_str(), static_cast<int>(message.length()), 0) == SOCKET_ERROR) { | |
| cerr << "надсилання не вдалося: " << WSAGetLastError() << "\n"; | |
| running = false; | |
| break; | |
| } | |
| else | |
| cout << "повідомлення надіслано на сервер: " << message << "\n"; | |
| Sleep(PAUSE); | |
| } | |
| } | |
| void receiver() { | |
| char buffer[DEFAULT_BUFLEN]; | |
| while (running) { | |
| int result = recv(connectSocket, buffer, DEFAULT_BUFLEN, 0); | |
| if (result > 0) { | |
| buffer[result] = '\0'; | |
| cout << "\nповідомлення від сервера: " << buffer << "\n"; | |
| } | |
| else if (result == 0) { | |
| cout << "з'єднання закрито сервером.\n"; | |
| running = false; | |
| break; | |
| } | |
| else { | |
| cerr << "отримання не вдалося: " << WSAGetLastError() << "\n"; | |
| running = false; | |
| break; | |
| } | |
| } | |
| } | |
| public: | |
| TcpClient() : connectSocket(INVALID_SOCKET), running(true) {} | |
| ~TcpClient() { | |
| if (connectSocket != INVALID_SOCKET) | |
| closesocket(connectSocket); | |
| WSACleanup(); | |
| } | |
| bool start(const char* ip = SERVER_IP, const char* port = DEFAULT_PORT) { | |
| if (!initializeWinsock()) return false; | |
| if (!createAndConnectSocket(ip, port)) return false; | |
| thread senderThread(&TcpClient::sender, this); | |
| thread receiverThread(&TcpClient::receiver, this); | |
| senderThread.join(); | |
| receiverThread.join(); | |
| return true; | |
| } | |
| }; | |
| int main() { | |
| setlocale(0, ""); | |
| SetConsoleCP(1251); | |
| SetConsoleOutputCP(1251); | |
| system("title КЛІЄНТСЬКА СТОРОНА"); | |
| TcpClient client; | |
| if (!client.start()) { | |
| cerr << "не вдалося запустити клієнта.\n"; | |
| return 1; | |
| } | |
| } |
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SERVER SIDE: https://gist.github.com/sunmeat/d37480aef89b9d7eb294cecd0e30ff00