/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   dconn.c                                            :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2017/11/08 14:55:15 by jhalford          #+#    #+#             */
/*   Updated: 2017/11/08 20:09:58 by jhalford         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "ftp_client.h"

static int	dconn_open_pasv(t_ftp *ftp)
{
	int		sock;

	ftp_ret(ftp, "150 about to open data connection");
	sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
	if (connect(sock, (struct sockaddr*)&ftp->dconn.sin,
				sizeof(struct sockaddr_in)) < 0)
	{
		ftp_ret(ftp, "425 can't open data conn");
		return(-1);
	}
	ftp->d_sock = sock;
	return (0);
}

static int	dconn_open_actv(t_ftp *ftp)
{
	int		sock;

	ftp_ret(ftp, "150 about to accept");
	if ((sock = accept(ftp->dconn.sock, NULL, NULL)) < 0)
	{
		ftp_ret(ftp, "425 can't open data conn");
		return(-1);
	}
	ftp->d_sock = sock;
	return (0);
}

int			dconn_open(t_ftp *ftp)
{
	int		code;
	
	code = ftp_code(ftp);
	if (ftp->code == 125)
	{
		if (ftp->data_state == DATA_ACTV)
			return (dconn_open_actv(ftp));
		else if (ftp->data_state == DATA_PASV)
			return (dconn_open_pasv(ftp));
	}
	else if (ftp->code == 150)
		return (0);	
	else
	{
		console_msg(-1, "expected 125/150 code");
		return (-1);
	}
}

/* int			dconn_close(t_ftp *ftp) */
/* { */
/* 	ftp_ret(ftp, "226 closing dataconn"); */
/* 	close(ftp->d_sock); */
/* 	ftp->d_sock = 0; */
/* 	return (0); */
/* } */