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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_IPV4_PRIVATE_H
#define LRTR_IPV4_PRIVATE_H
#include "ipv4.h"
#include "rtrlib/lib/convert_byte_order_private.h"
#include <inttypes.h>
#include <stdbool.h>
/**
* @brief Extracts number bits from the passed ipv4_addr,
*
* Starting at bit number from. The bit with the highest significance is bit 0.
* All bits that aren't in the specified range will be 0.
*
* @param[in] val ipv4_addr
* @param[in] from Position of the first bit that is extracted.
* @param[in] number How many bits will be extracted.
*
* @returns An ipv4_addr, with all bits not in the specified range set to 0.
*/
struct lrtr_ipv4_addr lrtr_ipv4_get_bits(const struct lrtr_ipv4_addr *val, const uint8_t from, const uint8_t number);
/**
* @brief Converts ab IPv4 address from string to ipv4_addr struct.
*
* @param[in] str Pointer to a string buffer.
* @param[out] ip ipv4_addr
*
* @result 0 on success
* @result -1 on error
*/
int lrtr_ipv4_str_to_addr(const char *str, struct lrtr_ipv4_addr *ip);
/**
* @brief Converts an ipv4_addr struct to its string representation.
*
* @param[in] ip ipv4_addr
* @param[out] str Pointer to a string buffer, of at least INET_ADDRSTRLEN.
* @param[in] length of *str
*
* @result 0 on success
* @result -1 on error
*/
int lrtr_ipv4_addr_to_str(const struct lrtr_ipv4_addr *ip, char *str, const unsigned int len);
/**
* @brief Compares two ipv4_addr structs.
*
* @param[in] a ipv4_addr
* @param[in] b ipv4_addr
*
* @return true if a == b
* @return false if a != b
*/
bool lrtr_ipv4_addr_equal(const struct lrtr_ipv4_addr *a, const struct lrtr_ipv4_addr *b);
/**
* @ingroup util_h[{
* @brief Converts the passed IPv4 address to given byte order.
*
* @param[in] src IPv4 address in source byte order.
* @param[out] dest IPv4 address in target byte order.
* @param[in] tbo Target byte order for address conversion.
* }
*/
void lrtr_ipv4_addr_convert_byte_order(const uint32_t src, uint32_t *dest, const enum target_byte_order tbo);
#endif
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