#ifndef ROUTETABLE_H
#define ROUTETABLE_H

#include <stdint.h>
#include <libart/art.h>

typedef struct {
    uint32_t destination;
    uint32_t mask;
    uint32_t nextHop;
} route_table_v4_entry_t;

typedef struct {
    __uint128_t destination;
    __uint128_t mask;
    __uint128_t nextHop;
} route_table_v6_entry_t;

// General rule: 0 = success, -1 = failure (Note: per-function return values may vary, will be documented in the .c file)
int RouteTable_Init(void);
void RouteTable_Cleanup(void);

int RouteTable_AddRoute_v4(uint32_t destination, uint32_t mask, uint32_t nextHop);
int RouteTable_AddRoute_v6(__uint128_t destination, __uint128_t mask, __uint128_t nextHop);

// GetNextHop performs longest prefix match; writes best matching next hop into *nextHop
int RouteTable_GetNextHop_v4(uint32_t destination, uint32_t* nextHop);
int RouteTable_GetNextHop_v6(__uint128_t destination, __uint128_t* nextHop);

#endif