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/*
* This file is part of RTRlib.
*
* This file is subject to the terms and conditions of the MIT license.
* See the file LICENSE in the top level directory for more details.
*
* Website: http://rtrlib.realmv6.org/
*/
#ifndef LRTR_IPV6_PRIVATE_H
#define LRTR_IPV6_PRIVATE_H
#include "ipv6.h"
#include "rtrlib/lib/convert_byte_order_private.h"
#include <stdbool.h>
#include <stdint.h>
#include <sys/types.h>
/**
* @brief Compares two lrtr_ipv6_addr structs
*
* @param[in] a lrtr_ipv6_addr
* @param[in] b lrtr_ipv6_addr
*
* @return true if a == b
* @return false if a != b
*/
bool lrtr_ipv6_addr_equal(const struct lrtr_ipv6_addr *a, const struct lrtr_ipv6_addr *b);
/**
* @brief Extracts quantity bits from an IPv6 address.
*
* The bit with the highest significance is bit 0. All bits that aren't in the
* specified range will be 0.
*
* @param[in] val ipv6_addr
* @param[in] first_bit Position of the first bit that is extracted, inclusive.
* @param[in] quantity How many bits will be extracted.
*
* @returns ipv6_addr, with all bits not in specified range set to 0.
*/
struct lrtr_ipv6_addr lrtr_ipv6_get_bits(const struct lrtr_ipv6_addr *val, const uint8_t first_bit,
const uint8_t quantity);
/**
* @brief Converts the passed ipv6_addr to string representation
*
* @param[in] ip_addr Pointer to an IPv6 address
* @param[out] str Pointer to string buf, at least INET6_ADDRSTRLEN bytes.
* @param[in] len Length of string buffer @p str
*
* @result 0 on success
* @result -1 on error
*/
int lrtr_ipv6_addr_to_str(const struct lrtr_ipv6_addr *ip, char *str, const unsigned int len);
/**
* @brief Converts the passed IPv6 address string in to lrtr_ipv6_addr struct.
*
* @param[in] str Pointer to a string buffer
* @param[out] ip Pointer to lrtr_ipv6_addr
*
* @result 0 on success
* @result -1 on error
*/
int lrtr_ipv6_str_to_addr(const char *str, struct lrtr_ipv6_addr *ip);
/**
* @ingroup util_h
* @{
* @brief Converts the passed IPv6 address to given byte order.
*
* @param[in] src IPv6 address (uint32_t array) in source byte order.
* @param[out] dest IPv6 address (uint32_t array) in target byte order.
* @param[in] tbo Target byte order for address conversion.
*/
void lrtr_ipv6_addr_convert_byte_order(const uint32_t *src, uint32_t *dest, const enum target_byte_order tbo);
/** @} */
#endif /* LRTR_IPV6_H */
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