Implemented poll function for system

Server/Server.cpp

@@ -44,12 +44,49 @@ int Server::run()
 	listen(server_fd, 1);
 	std::cout << "Esperando conexion" << std::endl;
 
-	int	client_fd = accept(server_fd, NULL, NULL);
-	std::cout << "Cliente conectado" << std::endl;
+	std::vector<pollfd> fds;
 
-	char	buf[512] = {0};
-	recv(client_fd, buf, sizeof(buf), 0);
-	std::cout << "Mensaje: " << buf << std::endl;
+	pollfd	server_pfd;
+	server_pfd.fd = server_fd;
+	server_pfd.events = POLLIN;
+	server_pfd.revents = 0;
+	fds.push_back(server_pfd);
+
+	while (true)
+	{
+		poll(fds.data(), fds.size(), -1);
+
+		for(unsigned int i = 0; i < fds.size(); i++)
+		{
+			if (!(fds[i].revents & POLLIN))
+				continue ;
+
+			if (fds[i].fd == server_fd)
+			{
+				int	client_fd = accept(server_fd, NULL, NULL);
+				std::cout << "Cliente conectado (fd=" << client_fd << ")\n";
+
+				pollfd	client_pfd;
+				client_pfd.fd = client_fd;
+				client_pfd.events = POLLIN;
+				client_pfd.revents = 0;
+				fds.push_back(client_pfd);
+			} else {
+				char	buf[512] = {0};
+				ssize_t	n = recv(fds[i].fd, buf, sizeof(buf) - 1, 0);
+				if(n <= 0)
+				{
+					std::cout << "Cliente (fd=" << fds[i].fd << ") desconectado\n";
+					close(fds[i].fd);
+					fds.erase(fds.begin() + i);
+					i--;
+				} else {
+					std::cout << "Mensaje de fd=" << fds[i].fd << ": " << buf;
+				}
+			}
+		}
+
+	}
 
 	close(client_fd);
 	close(server_fd);