aspa_private.h

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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 RTR_ASPA_PRIVATE_H
#define RTR_ASPA_PRIVATE_H
 
#include "aspa.h"
#include "rtrlib/lib/log_private.h"
#include "rtrlib/rtr/rtr.h"
 
#include <stdbool.h>
#include <stdint.h>
 
#define ASPA_NOTIFY_NO_OPS 0
 
#define ASPA_DBG1(a) lrtr_dbg("ASPA: " a)
 
// MARK: - Verification
 
enum aspa_hop_result { ASPA_NO_ATTESTATION, ASPA_NOT_PROVIDER_PLUS, ASPA_PROVIDER_PLUS };
 
enum aspa_hop_result aspa_check_hop(struct aspa_table *aspa_table, uint32_t customer_asn, uint32_t provider_asn);
 
// MARK: - Storage
struct aspa_store_node {
        struct aspa_array *aspa_array;
        struct rtr_socket *rtr_socket;
        struct aspa_store_node *next;
};
 
enum aspa_status aspa_table_src_replace(struct aspa_table *dst, struct aspa_table *src, struct rtr_socket *rtr_socket,
                                        bool notify_dst, bool notify_src);
 
// MARK: - Updating
struct aspa_update_operation {
        size_t index;
        enum aspa_operation_type type;
        struct aspa_record record;
        bool is_no_op;
};
 
// MARK: - Swap-In Update Mechanism
struct aspa_update {
        struct aspa_table *table;
        struct aspa_update_operation *operations;
        size_t operation_count;
        struct aspa_update_operation *failed_operation;
        struct aspa_store_node *node;
        struct aspa_array *new_array;
};
 
enum aspa_status aspa_table_update_swap_in_compute(struct aspa_table *aspa_table, struct rtr_socket *rtr_socket,
                                                   struct aspa_update_operation *operations, size_t count,
                                                   struct aspa_update **update);
 
void aspa_table_update_swap_in_apply(struct aspa_update **update);
 
void aspa_table_update_swap_in_discard(struct aspa_update **update);
 
// MARK: - In-Place Update Mechanism
 
enum aspa_status aspa_table_update_in_place(struct aspa_table *aspa_table, struct rtr_socket *rtr_socket,
                                            struct aspa_update_operation *operations, size_t count,
                                            struct aspa_update_operation **failed_operation);
 
enum aspa_status aspa_table_update_in_place_undo(struct aspa_table *aspa_table, struct rtr_socket *rtr_socket,
                                                 struct aspa_update_operation *operations, size_t count,
                                                 struct aspa_update_operation *failed_operation);
 
void aspa_table_update_in_place_cleanup(struct aspa_update_operation **operations, size_t count);
 
#endif /* RTR_ASPA_PRIVATE_H */