/* *****************************************************************************
 * p7servtest/server.c -- p7servtest virtual server.
 * Copyright (C) 2017 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
 *
 * This file is part of p7utils.
 * p7utils is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2.0 of the License,
 * or (at your option) any later version.
 *
 * p7utils is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with p7utils; if not, see <http://www.gnu.org/licenses/>.
 * ************************************************************************** */
#include "main.h"
#include <string.h>
#include <libp7.h>
#include <libp7/stream.h>

/* ************************************************************************** */
/*  Server callbacks                                                          */
/* ************************************************************************** */
/**
 *	directory_exists:
 *	Check if a directory exists.
 *
 *	@arg	cookie		the cookie.
 *	@arg	dirname		the directory.
 *	@arg	devname		the devname.
 *	@return				the error (0 if ok).
 */

static int directory_exists(void *cookie, const char *dirname)
{
	(void)cookie;

	/* check directory name */
	if (!strcmp(dirname, "oui"))
		return (0);
	else return (p7_error_notfound);
}

/* ************************************************************************** */
/*  Server configuration                                                      */
/* ************************************************************************** */
/* the server information */
static p7_server_t server_information = {
	/* main calculator information */
	.cpuid = "The CPU ID, wow!",
	.hwid = "TESTSERV",
	.product_id = "OMGOMGOMGOMGOMGO",

	/* system configuration */
	.username = "Cow",

	/* preprogrammed ROM information */
	.preprog_rom_wiped = 1,

	/* flash ROM and RAM information */
	.flash_rom_capacity = 8 * 1024 * 1024,
	.ram_capacity = 256 * 1024,

	/* bootcode information */
	.bootcode_wiped = 1,

	/* OS information */
	.os_offset = 0x80000000, .os_size = 0x100000,
	.os_version = {
		.major = 2, .minor = 9, .rev = 2201
	},
};

/* the server filesystems */
static p7_filesystem_t server_filesystems[] = {
	/* main filesystem: the flash */ {
		.name = "fls0",
		.directory_exists = directory_exists
	},
	{NULL}
};

/* ************************************************************************** */
/*  Server functions                                                          */
/* ************************************************************************** */
/**
 *	run_server:
 *	Run the server!
 *
 *	@arg	in		the input.
 *	@arg	out		the output.
 */

int run_server(int in, int out)
{
	/* make the stream */
	p7_stream_t stream;
	int err = p7_sopen_streams(&stream, NULL, in, out);
	if (err) {
		fprintf(stderr, "Server stream initialization has encountered "
			"an error: %s\n", p7_strerror(err));
		return (1);
	}

	/* make the handle */
	p7_handle_t *handle = NULL;
	err = p7_sinit(&handle, 0, "server", &stream, NULL);
	if (err) {
		fprintf(stderr, "Server initialization has encountered an error: %s\n",
			p7_strerror(err));
		return (1);
	}

	/* protect and serve */
	p7_serve(handle, &server_information, server_filesystems);
	p7_exit(handle);
	return (0);
}