ServerSorceCode.txt

#include <iostream>
#include <winsock2.h>
#include <ws2tcpip.h>
#include <string>

#pragma comment(lib, "Ws2_32.lib")

#define PORT (твой локальный порт)
#define BUFFER_SIZE 4096

int main() {
    WSADATA wsaData;
    SOCKET serverSocket, clientSocket;
    struct sockaddr_in serverAddr, clientAddr;
    int clientAddrLen = sizeof(clientAddr);
    char buffer[BUFFER_SIZE] = { 0 };

    if (WSAStartup(MAKEWORD(2, 2), &wsaData) != 0) {
        std::cerr << "WSAStartup failed\n";
        return 1;
    }

    serverSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
    if (serverSocket == INVALID_SOCKET) {
        std::cerr << "Socket creation failed\n";
        WSACleanup();
        return 1;
    }

    serverAddr.sin_family = AF_INET;
    serverAddr.sin_addr.s_addr = INADDR_ANY;
    serverAddr.sin_port = htons(PORT);

    if (bind(serverSocket, (struct sockaddr*)&serverAddr, sizeof(serverAddr)) == SOCKET_ERROR) {
        std::cerr << "Bind failed\n";
        closesocket(serverSocket);
        WSACleanup();
        return 1;
    }

    if (listen(serverSocket, SOMAXCONN) == SOCKET_ERROR) {
        std::cerr << "Listen failed\n";
        closesocket(serverSocket);
        WSACleanup();
        return 1;
    }
    std::cout << "Server is listening on port " << PORT << "...\n";

    clientSocket = accept(serverSocket, (struct sockaddr*)&clientAddr, &clientAddrLen);
    if (clientSocket == INVALID_SOCKET) {
        std::cerr << "Accept failed\n";
        closesocket(serverSocket);
        WSACleanup();
        return 1;
    }

    char clientIP[INET_ADDRSTRLEN];
    inet_ntop(AF_INET, &clientAddr.sin_addr, clientIP, INET_ADDRSTRLEN);
    std::cout << "Client connected: " << clientIP << "\n";

    while (true) {
        std::cout << "Enter command for client: ";
        std::string command;
        std::getline(std::cin, command);

        if (send(clientSocket, command.c_str(), command.size(), 0) == SOCKET_ERROR) {
            std::cerr << "Failed to send command\n";
            break;
        }

        int bytesReceived = recv(clientSocket, buffer, BUFFER_SIZE - 1, 0);
        if (bytesReceived <= 0) {
            std::cerr << "Failed to receive response or client disconnected\n";
            break;
        }

        buffer[bytesReceived] = '\0';
        std::cout << "Response from client: " << buffer << "\n";
    }

    closesocket(clientSocket);
    closesocket(serverSocket);
    WSACleanup();
    return 0;
}