/**
 *
 * /brief getdns core functions
 * 
 * This is the meat of the API
 * Originally taken from the getdns API description pseudo implementation.
 *
 */
/* The MIT License (MIT)
 * Copyright (c) 2013 Verisign, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#include <getdns/getdns.h>
#include "context.h"
#include "general.h"
#include "util-internal.h"
#include "types-internal.h"
#include <string.h>

/* stuff to make it compile pedantically */
#define UNUSED_PARAM(x) ((void)(x))

/*
 * getdns_hostname
 *
 */
getdns_return_t
getdns_hostname(struct getdns_context *context,
    struct getdns_dict * address,
    struct getdns_dict * extensions,
    void *userarg,
    getdns_transaction_t * transaction_id, getdns_callback_t callback)
{
	struct getdns_bindata *address_data;
	struct getdns_bindata *address_type;
	uint16_t req_type;
	char *name;
	getdns_return_t retval;

	if ((retval =
		getdns_dict_get_bindata(address, "address_data",
		    &address_data)) != GETDNS_RETURN_GOOD)
		return retval;
	if ((retval =
		getdns_dict_get_bindata(address, "address_type",
		    &address_type)) != GETDNS_RETURN_GOOD)
		return retval;
	if ((strncmp(GETDNS_STR_IPV4, (char *) address_type->data,
		    ( strlen(GETDNS_STR_IPV4) < address_type->size
		    ? strlen(GETDNS_STR_IPV4) : address_type->size )) == 0
	        && address_data->size == 4)
	    || (strncmp(GETDNS_STR_IPV6, (char *) address_type->data,
		    ( strlen(GETDNS_STR_IPV6) < address_type->size
		    ? strlen(GETDNS_STR_IPV6) : address_type->size )) == 0
		&& address_data->size == 16))
		req_type = GETDNS_RRTYPE_PTR;
	else
		return GETDNS_RETURN_WRONG_TYPE_REQUESTED;
	if ((name = reverse_address(address_data)) == NULL)
		return GETDNS_RETURN_GENERIC_ERROR;
	retval = getdns_general(context, name, req_type, extensions,
	    userarg, transaction_id, callback);
	free(name);
	return retval;
}				/* getdns_hostname */

/* getdns_hostname.c */