ss7_xua_srv.h

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#pragma once
 
#include <stdint.h>
#include <unistd.h>
#include <osmocom/core/defs.h>
#include <osmocom/core/linuxlist.h>
#include <osmocom/core/prim.h>
#include <osmocom/netif/stream.h>
 
#include <osmocom/sigtran/osmo_ss7.h>
 
/***********************************************************************
 * xUA Servers
 ***********************************************************************/
 
struct osmo_ss7_instance;
 
struct osmo_xua_server {
        struct llist_head list;
        struct osmo_ss7_instance *inst;
 
        /* list of ASPs established via this server */
        struct llist_head asp_list;
 
        struct osmo_stream_srv_link *server;
 
        struct {
                bool accept_dyn_reg;
                struct osmo_ss7_asp_peer local;
                const struct ss7_qos_class *qos;
                uint8_t ip_dscp;
                enum osmo_ss7_asp_protocol proto;
                struct {
                        bool shutdown:1;
                } adm_state;
                struct {
                        bool num_ostreams_present;
                        bool max_instreams_present;
                        uint16_t num_ostreams_value;
                        uint16_t max_instreams_value;
                } sctp_init;
 
                /* Used internally by "listen" VTY node to figure out if "no shutdown"
                 * was done explicitly, in order to avoid automatic xUA Server
                 * reconfiguring/restart at go_parent().
                 * Can be dropped in the future once we make sure everybody uses
                 * "[no] shutdown" explicitly in cfg files. */
                bool explicit_shutdown_state_by_vty_since_node_enter;
 
                int trans_proto;
        } cfg;
};
 
struct osmo_xua_server *
ss7_xua_server_find(struct osmo_ss7_instance *inst,
                         enum osmo_ss7_asp_protocol proto,
                         uint16_t local_port)
        OSMO_DEPRECATED("Use ss7_xua_server_find2() instead");
struct osmo_xua_server *
ss7_xua_server_find2(struct osmo_ss7_instance *inst,
                          int trans_proto,
                          enum osmo_ss7_asp_protocol proto,
                          uint16_t local_port);
 
struct osmo_xua_server *
ss7_xua_server_create(struct osmo_ss7_instance *inst,
                           enum osmo_ss7_asp_protocol proto,
                           uint16_t local_port, const char *local_host)
        OSMO_DEPRECATED("Use ss7_xua_server_create2() instead");
struct osmo_xua_server *
ss7_xua_server_create2(struct osmo_ss7_instance *inst,
                            int trans_proto, enum osmo_ss7_asp_protocol proto,
                            uint16_t local_port, const char *local_host);
 
int
ss7_xua_server_restart(struct osmo_xua_server *oxs);
int
ss7_xua_server_restart_after_reconfigure(struct osmo_xua_server *oxs);
 
int
ss7_xua_server_set_local_host(struct osmo_xua_server *xs, const char *local_host);
int
ss7_xua_server_set_local_hosts(struct osmo_xua_server *xs, const char **local_hosts, size_t local_host_cnt);
int ss7_xua_server_add_local_host(struct osmo_xua_server *xs, const char *local_host);
int ss7_xua_server_del_local_host(struct osmo_xua_server *xs, const char *local_host);
bool ss7_xua_server_set_ip_dscp(struct osmo_xua_server *xs);
void ss7_xua_server_destroy(struct osmo_xua_server *xs);
 
bool ss7_xua_server_set_default_local_hosts(struct osmo_xua_server *oxs);
 
#define LOGPOXS(oxs, subsys, level, fmt, args ...) \
        _LOGSS7((oxs)->inst, subsys, level, "XUA_SRV(%s,%s) " fmt, \
                osmo_stream_srv_link_get_name(oxs->server), \
                osmo_stream_srv_link_get_sockname(oxs->server) ? : "NULL", \
                ## args)