start of ft_irc

Makefile

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+# **************************************************************************** #
+#                                                                              #
+#                                                         :::      ::::::::    #
+#    Makefile                                           :+:      :+:    :+:    #
+#                                                     +:+ +:+         +:+      #
+#    By: apommier <apommier@student.42.fr>          +#+  +:+       +#+         #
+#                                                 +#+#+#+#+#+   +#+            #
+#    Created: 2022/12/01 17:27:29 by apommier          #+#    #+#              #
+#    Updated: 2022/12/06 17:39:38 by apommier         ###   ########.fr        #
+#                                                                              #
+# **************************************************************************** #
+
+NAME = ircserv
+SRCS := main.cpp
+
+CC 			= c++
+#FLAGS 		= -g -Wall -Wextra -Werror
+DIR_OBJ     := obj
+DIR_INC		= -I ./includes/
+DIR_SRCS    := ./srcs
+OBJS        := ${addprefix ${DIR_OBJ}/, ${SRCS:.cpp=.o}}
+DEPS        =  ${OBJS:.o=.d}
+RM			= rm -rf
+
+all: ${NAME}
+
+-include ${DEPS}
+
+${DIR_OBJ}/%.o:	${DIR_SRCS}/%.cpp
+	mkdir -p ${dir $@}
+	${CC} ${FLAGS} ${DIR_INC} -o $@ -c $< -MMD
+
+${NAME}: ${OBJS}
+		${CC} ${FLAGS} ${OBJS} -o ${NAME}
+
+clean:
+	${RM} ${DIR_OBJ}
+
+fclean:	clean
+		@${RM} ${NAME}
+
+re: 	fclean all
+
+.PHONY: all clean fclean re

includes/ft_irc.hpp

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+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_irc.hpp                                         :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/12/01 17:27:37 by apommier          #+#    #+#             */
+/*   Updated: 2022/12/06 19:13:04 by apommier         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#pragma once
+
+#include <sys/socket.h> //socket function
+#include <cstdlib> 
+#include <cstring> //std::string
+#include <cerrno> //errno
+#include <iostream> //std::cout
+#include <netinet/in.h> //struct socket
+#include <sys/epoll.h> //epoll

srcs/main.cpp

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+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   main.cpp                                           :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/12/01 17:27:33 by apommier          #+#    #+#             */
+/*   Updated: 2022/12/06 19:08:00 by apommier         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "../includes/ft_irc.hpp"
+
+
+#define PORT 8080
+
+void ft_error(std::string str)
+{
+	std::cout << str << std::endl;
+	if (errno)
+		std::cout << strerror(errno);
+	exit(1);
+}
+
+void initialize(char **av)
+{
+	int epollFd;
+	int sockFd;
+	int newSockFd = 0;
+	int opt = 1;
+	struct sockaddr_in addr;
+	int addrLen = sizeof(addr);
+
+	sockFd = socket(AF_INET, SOCK_STREAM, 0);
+	if (sockFd == -1)
+		ft_error("socket() error");
+	if (setsockopt(sockFd, SOL_SOCKET, SO_REUSEADDR | SO_REUSEPORT, &opt, sizeof(opt)))
+		ft_error("setsockopt() error");
+
+	std::cout << atoi(av[1]) << std::endl;
+
+	addr.sin_port = htons(atoi(av[1]));
+	addr.sin_family = AF_INET;
+	addr.sin_addr.s_addr = INADDR_ANY;
+	
+	if (addr.sin_port <= 0)
+		ft_error("wrong format for <port>\nneed to be an positive integer");
+	if (bind(sockFd, (struct sockaddr *)&addr, sizeof(addr)) < 0)
+		ft_error("bind() error");
+	if (listen(sockFd, 100) == -1)
+		ft_error("listen() error");
+	newSockFd = accept(sockFd, (struct sockaddr *)&addr, (socklen_t*)&addrLen);
+	if (newSockFd == -1)
+		ft_error("accept() error");
+
+	send(newSockFd, "hello", 5, 0);
+}
+
+int main(int ac, char **av)
+{
+
+
+	if (!(ac == 3 || ac == 2))
+		ft_error("wrong number of arguments\nFORMAT: ./ircserv <port> <password>");
+	initialize(av);
+	return (0);
+}

srcs/main2.cpp

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+// Server side C/C++ program to demonstrate Socket
+// programming
+#include <netinet/in.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <unistd.h>
+#include <iostream>
+#define PORT 8080
+int main(int argc, char const* argv[])
+{
+	int server_fd, new_socket, valread;
+	struct sockaddr_in address;
+	int opt = 1;
+	int addrlen = sizeof(address);
+	char buffer[1024] = { 0 };
+	const char* hello = "Hello from server";
+
+	// Creating socket file descriptor
+	if ((server_fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
+		perror("socket failed");
+		exit(EXIT_FAILURE);
+	}
+
+	// Forcefully attaching socket to the port 8080
+	if (setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR | SO_REUSEPORT, &opt, sizeof(opt)))
+	{
+		perror("setsockopt");
+		exit(EXIT_FAILURE);
+	}
+
+	std::cout << PORT << std::endl;
+	address.sin_family = AF_INET;
+	address.sin_addr.s_addr = INADDR_ANY;
+	address.sin_port = htons(PORT);
+
+	// Forcefully attaching socket to the port 8080
+	if (bind(server_fd, (struct sockaddr*)&address,
+			sizeof(address))
+		< 0) {
+		perror("bind failed");
+		exit(EXIT_FAILURE);
+	}
+	if (listen(server_fd, 3) < 0) {
+		perror("listen");
+		exit(EXIT_FAILURE);
+	}
+	if ((new_socket
+		= accept(server_fd, (struct sockaddr*)&address,
+				(socklen_t*)&addrlen))
+		< 0) {
+		perror("accept");
+		exit(EXIT_FAILURE);
+	}
+	// valread = read(new_socket, buffer, 1024);
+	// printf("%s\n", buffer);
+	// send(new_socket, hello, strlen(hello), 0);
+	// printf("Hello message sent\n");
+
+	// // closing the connected socket
+	// close(new_socket);
+	// // closing the listening socket
+	// shutdown(server_fd, SHUT_RDWR);
+	return 0;
+}