ss7_route_table.h

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#pragma once
 
#include <stdint.h>
#include <unistd.h>
#include <osmocom/core/linuxlist.h>
 
/***********************************************************************
 * SS7 Routing Tables
 ***********************************************************************/
 
struct osmo_ss7_instance;
enum osmo_ss7_route_status;
 
struct osmo_ss7_route_label {
        uint32_t opc;
        uint32_t dpc;
        uint8_t sls;
};
char *ss7_route_label_to_str(char *buf, size_t buf_len, const struct osmo_ss7_instance *inst, const struct osmo_ss7_route_label *rtlb);
 
struct osmo_ss7_route_table {
        struct llist_head list;
        struct osmo_ss7_instance *inst;
        struct llist_head combined_linksets;
 
        struct {
                char *name;
                char *description;
        } cfg;
};
 
struct osmo_ss7_route_table *
ss7_route_table_find(struct osmo_ss7_instance *inst, const char *name);
struct osmo_ss7_route_table *
ss7_route_table_find_or_create(struct osmo_ss7_instance *inst, const char *name);
void ss7_route_table_destroy(struct osmo_ss7_route_table *rtbl);
 
struct osmo_ss7_route *
ss7_route_table_find_route_by_dpc_mask(const struct osmo_ss7_route_table *rtbl, uint32_t dpc,
                                       uint32_t mask, bool dynamic);
struct osmo_ss7_route *
ss7_route_table_find_route_by_dpc_mask_as(const struct osmo_ss7_route_table *rtbl, uint32_t dpc,
                                       uint32_t mask, const struct osmo_ss7_as *as, bool dynamic);
struct osmo_ss7_route *
ss7_route_table_lookup_route(const struct osmo_ss7_route_table *rtbl, const struct osmo_ss7_route_label *rtlabel);
bool ss7_route_table_dpc_is_accessible(const struct osmo_ss7_route_table *rtbl, uint32_t dpc);
bool ss7_route_table_dpc_is_accessible_via_as(const struct osmo_ss7_route_table *rtbl, uint32_t dpc, const struct osmo_ss7_as *as);
bool ss7_route_table_dpc_is_accessible_skip_as(const struct osmo_ss7_route_table *rtbl, uint32_t dpc, const struct osmo_ss7_as *as);
 
struct osmo_ss7_combined_linkset *
ss7_route_table_find_combined_linkset(const struct osmo_ss7_route_table *rtbl, uint32_t dpc, uint32_t mask, uint32_t prio);
struct osmo_ss7_combined_linkset *
ss7_route_table_find_or_create_combined_linkset(struct osmo_ss7_route_table *rtbl, uint32_t pc, uint32_t mask, uint32_t prio);
struct osmo_ss7_combined_linkset *
ss7_route_table_find_combined_linkset_by_dpc(const struct osmo_ss7_route_table *rtbl, uint32_t dpc);
struct osmo_ss7_combined_linkset *
ss7_route_table_find_combined_linkset_by_dpc_mask(const struct osmo_ss7_route_table *rtbl, uint32_t dpc, uint32_t mask);
struct osmo_ss7_combined_linkset *
ss7_route_table_find_combined_linkset(const struct osmo_ss7_route_table *rtbl, uint32_t dpc, uint32_t mask, uint32_t prio);
 
void ss7_route_table_update_route_status_by_as(const struct osmo_ss7_route_table *rtbl, enum osmo_ss7_route_status status,
                                               const struct osmo_ss7_as *as, uint32_t dpc);
void ss7_route_table_del_routes_by_as(struct osmo_ss7_route_table *rtbl, struct osmo_ss7_as *as);
void ss7_route_table_del_routes_by_linkset(struct osmo_ss7_route_table *rtbl, struct osmo_ss7_linkset *lset);