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2 Commits

Author SHA1 Message Date
79fcae617e Change structure of code base 2025-04-30 13:06:23 +03:00
3b84aa7740 Choose hostname and port (for server and client part) 2025-04-30 15:14:10 +03:00
7 changed files with 109 additions and 60 deletions

View File

@@ -6,16 +6,15 @@
#include <sys/socket.h>
#include <arpa/inet.h>
#include <unistd.h>
const int PORT = 8080;
#include <netdb.h>
class Client{
private:
int sock;
public:
Client() : sock(0){};
void run();
Client();
void run(const std::string& h = "localhost", const unsigned short p = 1024u);
int ping(struct sockaddr_in);
void game();
};
#endif

View File

@@ -30,9 +30,5 @@ class Maze{
bool is_wall(int, int) const;
void set_moves_left(int);
//void generate_maze();
//void print_maze_info();
//void play_game();
};
#endif

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@@ -7,19 +7,20 @@
#include <thread>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <unistd.h>
#include <cstring>
const int PORT = 8080;
const int MAX_CLIENTS = 100;
const int MAX_CLIENTS = 512;
class Server {
private:
bool service_mode;
int server_fd;
void handle_client(int client_socket, bool _mode); // Принимает клиентский сокет
bool check_status(Maze& maze);
public:
Server() : service_mode(false){};
Server(const std::string& h = "localhost", const unsigned short p = 1024u, bool service_mode = false);
void start(); // Запуск сервера
};

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@@ -11,41 +11,49 @@ void print_instructions() {
}
int Client::ping(struct sockaddr_in address){
return connect(sock, (struct sockaddr*)&address, sizeof(address)) > 0;
return connect(sock, (struct sockaddr*)&address, sizeof(address)) != 0;
}
void Client::run() {
struct sockaddr_in serv_addr;
Client::Client(){
// Создание сокета
if ((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
throw std::runtime_error("[Client::request] connect(2) call error");
}
}
void Client::run(const std::string& h, const unsigned short p) {
struct sockaddr_in serv_addr;
serv_addr.sin_family = AF_INET;
serv_addr.sin_port = htons(PORT);
// Преобразование IP-адреса из текстового вида в бинарный
if (inet_pton(AF_INET, "127.0.0.1", &serv_addr.sin_addr) <= 0) {
throw std::runtime_error("[Client::request] connect(2) call error");
hostent* host_name;
host_name = gethostbyname(h.c_str()); // Преобразование названия хоста в IP-адрес.
if (host_name == nullptr) {
throw std::runtime_error("Error in gethostbyname");
}
serv_addr.sin_port = htons(p);
memcpy(&serv_addr.sin_addr.s_addr, host_name->h_addr, host_name->h_length);
// Подключение к серверу
if (ping(serv_addr)) {
throw std::runtime_error("Connection lost!");
throw std::runtime_error("Invalid hostname:port");
}
std::cout << "Подключено к серверу. Введите ваше имя: ";
std::string player_name;
std::getline(std::cin, player_name);
if (ping(serv_addr)) {
if (!ping(serv_addr)) {
throw std::runtime_error("Connection lost!");
}
// Отправка имени игрока на сервер
send(sock, player_name.c_str(), player_name.size(), 0);
std::cout << "Игра началась!\n";
}
void Client::game(){
std::cout << "Игра началась!\n";
print_instructions();
char buffer[1024] = {0};
@@ -74,6 +82,5 @@ void Client::run() {
break;
}
}
close(sock);
}

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@@ -1,9 +1,27 @@
#include "client.hpp"
int main(){
int main(int argc, char** argv){
int opt;
std::string host = "localhost";
short unsigned port = 1024u;
while ((opt = getopt(argc, argv, "h:p:")) != -1) {
switch (opt) {
case 'h':
host = optarg;
break;
case 'p':
port = static_cast<unsigned short>(atoi(optarg));
break;
default:
break;
}
}
try {
Client client;
client.run();
client.run(host, port);
client.game();
} catch (const std::runtime_error& e){
std::cerr << "Client application error: " << e.what() << std::endl;
return 1;

View File

@@ -1,5 +1,28 @@
#include "server.hpp"
Server::Server(const std::string& h, const unsigned short p, bool service_mode){
// Создание сокета.
server_fd = socket(AF_INET, SOCK_STREAM, 0);
if (server_fd < 0) {
throw std::runtime_error("[MultiprocessEchoServer::MultiprocessEchoServer] socket(2) call error");
}
// Подготовка сетевого адреса для связывания.
sockaddr_in server_address;
memset(reinterpret_cast<char*>(&server_address), '\0', sizeof(server_address));
server_address.sin_family = AF_INET;
hostent* host_name;
host_name = gethostbyname(h.c_str()); // Преобразование названия хоста в IP-адрес.
if (host_name == nullptr) {
throw std::runtime_error("[MultiprocessEchoServer::MultiprocessEchoServer] gethostbyname(3) call error");
}
server_address.sin_port = htons(p);
memcpy(&server_address.sin_addr.s_addr, host_name->h_addr, host_name->h_length);
if (bind(server_fd, reinterpret_cast<const sockaddr*>(&server_address), sizeof(server_address)) != 0) {
throw std::runtime_error("[MultiprocessEchoServer::MultiprocessEchoServer] bind(2) call error");
}
std::cout << "Сервер запущен на хосте " << h << " на порту " << p << std::endl;
}
bool Server::check_status(Maze &maze) {
return (!maze.test_mode && maze.get_moves_left() > 0);
}
@@ -15,7 +38,7 @@ void Server::handle_client(int client_socket, bool mode) {
// Получение имени игрока
int bytes_received = recv(client_socket, buffer, sizeof(buffer), 0);
if (bytes_received <= 0) {
std::cerr << "Ошибка получения имени игрока.\n";
std::cout << "Ошибка получения имени игрока.\n";
close(client_socket);
return;
}
@@ -105,41 +128,18 @@ void Server::handle_client(int client_socket, bool mode) {
}
void Server::start() {
int server_fd, new_socket;
struct sockaddr_in address;
int opt = 1;
int addrlen = sizeof(address);
if ((server_fd = socket(AF_INET, SOCK_STREAM, 0)) == 0) {
perror("Ошибка создания сокета");
exit(EXIT_FAILURE);
}
if (setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR | SO_REUSEPORT, &opt, sizeof(opt))) {
perror("Ошибка настройки сокета");
exit(EXIT_FAILURE);
}
address.sin_family = AF_INET;
address.sin_addr.s_addr = INADDR_ANY;
address.sin_port = htons(PORT);
if (bind(server_fd, (struct sockaddr*)&address, sizeof(address)) < 0) {
perror("Ошибка привязки сокета");
exit(EXIT_FAILURE);
}
int new_socket;
if (listen(server_fd, MAX_CLIENTS) < 0) {
perror("Ошибка прослушивания");
exit(EXIT_FAILURE);
throw std::runtime_error("Error in listen");
}
std::cout << "Сервер запущен на порту " << PORT << "\n";
sockaddr address;
int addrlen = sizeof(address);
socklen_t address_size = sizeof(address);
while (true) {
if ((new_socket = accept(server_fd, (struct sockaddr*)&address, (socklen_t*)&addrlen)) < 0) {
perror("Ошибка принятия соединения");
exit(EXIT_FAILURE);
if ((new_socket = accept(server_fd, (struct sockaddr*)&address, &address_size)) < 0) {
throw std::runtime_error("Error in accept");
}
std::cout << "Новое соединение установлено.\n";

View File

@@ -1,9 +1,37 @@
#include "server.hpp"
int main(int argc, char **argv) {
Server server;
server.start();
int opt;
std::string host = "localhost";
bool service_mode = false;
short unsigned port = 1024u;
while ((opt = getopt(argc, argv, "h:p:s:")) != -1) {
switch (opt) {
case 'h':
host = optarg;
break;
case 'p':
port = static_cast<unsigned short>(atoi(optarg));
break;
case 's':
service_mode = true;
default:
break;
}
}
try {
Server server(host, port, service_mode);
server.start();
} catch (const std::runtime_error& e){
std::cerr << "Client application error: " << e.what() << std::endl;
return 1;
} catch (...){
std::cerr << "Unexpected error in client application" << std::endl;
return 2;
}
std::cout << "Server application finished" << std::endl;
return 0;
}