Split osmo_ss7_as functionalities to its own file
Change-Id: I6e39dcb594ffe918ba117fce08cae7b5a6fd2dcc
This commit is contained in:
parent
e39a104727
commit
4a744e2234
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@ -37,6 +37,7 @@ libosmo_sigtran_la_SOURCES = \
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ipa.c \
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m3ua.c \
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osmo_ss7.c \
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osmo_ss7_as.c \
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osmo_ss7_asp.c \
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osmo_ss7_asp_peer.c \
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osmo_ss7_hmrt.c \
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172
src/osmo_ss7.c
172
src/osmo_ss7.c
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@ -69,14 +69,6 @@ const struct value_string mtp_unavail_cause_vals[] = {
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{ 0, NULL }
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};
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struct value_string osmo_ss7_as_traffic_mode_vals[] = {
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{ OSMO_SS7_AS_TMOD_BCAST, "broadcast" },
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{ OSMO_SS7_AS_TMOD_LOADSHARE, "loadshare" },
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{ OSMO_SS7_AS_TMOD_ROUNDROBIN, "round-robin" },
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{ OSMO_SS7_AS_TMOD_OVERRIDE, "override" },
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{ 0, NULL }
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};
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int osmo_ss7_find_free_rctx(struct osmo_ss7_instance *inst)
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{
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int32_t rctx;
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@ -88,7 +80,7 @@ int osmo_ss7_find_free_rctx(struct osmo_ss7_instance *inst)
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return -1;
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}
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static uint32_t find_free_l_rk_id(struct osmo_ss7_instance *inst)
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uint32_t ss7_find_free_l_rk_id(struct osmo_ss7_instance *inst)
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{
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uint32_t l_rk_id;
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@ -855,19 +847,6 @@ const char *osmo_ss7_route_print(const struct osmo_ss7_route *rt)
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* SS7 Application Server
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***********************************************************************/
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static const struct rate_ctr_desc ss7_as_rcd[] = {
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[SS7_AS_CTR_RX_MSU_TOTAL] = { "rx:msu:total", "Total number of MSU received" },
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[SS7_AS_CTR_TX_MSU_TOTAL] = { "tx:msu:total", "Total number of MSU transmitted" },
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};
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static const struct rate_ctr_group_desc ss7_as_rcgd = {
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.group_name_prefix = "sigtran_as",
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.group_description = "SIGTRAN Application Server",
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.num_ctr = ARRAY_SIZE(ss7_as_rcd),
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.ctr_desc = ss7_as_rcd,
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};
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static unsigned int g_ss7_as_rcg_idx;
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/*! \brief Find Application Server by given name
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* \param[in] inst SS7 Instance on which we operate
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* \param[in] name Name of AS
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@ -954,37 +933,6 @@ struct osmo_ss7_as *osmo_ss7_as_find_by_proto(struct osmo_ss7_instance *inst,
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return as_without_asp;
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}
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/*! \brief Allocate an Application Server
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* \param[in] inst SS7 Instance on which we operate
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* \param[in] name Name of Application Server
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* \param[in] proto Protocol of Application Server
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* \returns pointer to Application Server on success; NULL otherwise */
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struct osmo_ss7_as *ss7_as_alloc(struct osmo_ss7_instance *inst, const char *name,
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enum osmo_ss7_asp_protocol proto)
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{
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struct osmo_ss7_as *as;
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as = talloc_zero(inst, struct osmo_ss7_as);
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if (!as)
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return NULL;
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as->ctrg = rate_ctr_group_alloc(as, &ss7_as_rcgd, g_ss7_as_rcg_idx++);
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if (!as->ctrg) {
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talloc_free(as);
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return NULL;
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}
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rate_ctr_group_set_name(as->ctrg, name);
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as->inst = inst;
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as->cfg.name = talloc_strdup(as, name);
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as->cfg.proto = proto;
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as->cfg.mode = OSMO_SS7_AS_TMOD_OVERRIDE;
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as->cfg.recovery_timeout_msec = 2000;
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as->cfg.routing_key.l_rk_id = find_free_l_rk_id(inst);
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as->fi = xua_as_fsm_start(as, LOGL_DEBUG);
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llist_add_tail(&as->list, &inst->as_list);
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return as;
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}
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/*! \brief Find or Create Application Server
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* \param[in] inst SS7 Instance on which we operate
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* \param[in] name Name of Application Server
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@ -1012,124 +960,6 @@ osmo_ss7_as_find_or_create(struct osmo_ss7_instance *inst, const char *name,
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return as;
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}
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/*! \brief Add given ASP to given AS
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* \param[in] as Application Server to which \ref asp is added
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* \param[in] asp Application Server Process to be added to \ref as
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* \returns 0 on success; negative in case of error */
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int osmo_ss7_as_add_asp(struct osmo_ss7_as *as, const char *asp_name)
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{
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struct osmo_ss7_asp *asp;
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unsigned int i;
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OSMO_ASSERT(ss7_initialized);
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asp = osmo_ss7_asp_find_by_name(as->inst, asp_name);
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if (!asp)
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return -ENODEV;
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LOGPAS(as, DLSS7, LOGL_INFO, "Adding ASP %s to AS\n", asp->cfg.name);
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if (osmo_ss7_as_has_asp(as, asp))
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return 0;
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for (i = 0; i < ARRAY_SIZE(as->cfg.asps); i++) {
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if (!as->cfg.asps[i]) {
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as->cfg.asps[i] = asp;
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return 0;
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}
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}
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return -ENOSPC;
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}
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/*! \brief Delete given ASP from given AS
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* \param[in] as Application Server from which \ref asp is deleted
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* \param[in] asp Application Server Process to delete from \ref as
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* \returns 0 on success; negative in case of error */
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int osmo_ss7_as_del_asp(struct osmo_ss7_as *as, const char *asp_name)
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{
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struct osmo_ss7_asp *asp;
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unsigned int i;
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OSMO_ASSERT(ss7_initialized);
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asp = osmo_ss7_asp_find_by_name(as->inst, asp_name);
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if (!asp)
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return -ENODEV;
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LOGPAS(as, DLSS7, LOGL_INFO, "Removing ASP %s from AS\n", asp->cfg.name);
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for (i = 0; i < ARRAY_SIZE(as->cfg.asps); i++) {
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if (as->cfg.asps[i] == asp) {
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as->cfg.asps[i] = NULL;
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return 0;
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}
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}
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return -EINVAL;
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}
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/*! \brief Destroy given Application Server
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* \param[in] as Application Server to destroy */
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void osmo_ss7_as_destroy(struct osmo_ss7_as *as)
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{
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struct osmo_ss7_route *rt, *rt2;
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OSMO_ASSERT(ss7_initialized);
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LOGPAS(as, DLSS7, LOGL_INFO, "Destroying AS\n");
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if (as->fi)
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osmo_fsm_inst_term(as->fi, OSMO_FSM_TERM_REQUEST, NULL);
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/* find any routes pointing to this AS and remove them */
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llist_for_each_entry_safe(rt, rt2, &as->inst->rtable_system->routes, list) {
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if (rt->dest.as == as)
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osmo_ss7_route_destroy(rt);
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}
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as->inst = NULL;
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llist_del(&as->list);
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rate_ctr_group_free(as->ctrg);
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talloc_free(as);
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}
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/*! \brief Determine if given AS contains ASP
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* \param[in] as Application Server in which to look for \ref asp
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* \param[in] asp Application Server Process to look for in \ref as
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* \returns true in case \ref asp is part of \ref as; false otherwise */
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bool osmo_ss7_as_has_asp(const struct osmo_ss7_as *as,
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const struct osmo_ss7_asp *asp)
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{
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unsigned int i;
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OSMO_ASSERT(ss7_initialized);
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for (i = 0; i < ARRAY_SIZE(as->cfg.asps); i++) {
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if (as->cfg.asps[i] == asp)
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return true;
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}
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return false;
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}
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/*! Determine if given AS is in the active state.
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* \param[in] as Application Server.
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* \returns true in case as is active; false otherwise. */
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bool osmo_ss7_as_active(const struct osmo_ss7_as *as)
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{
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if (!as->fi)
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return false;
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return as->fi->state == XUA_AS_S_ACTIVE;
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}
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/*! Determine if given AS is in the down state.
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* \param[in] as Application Server.
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* \returns true in case as is down; false otherwise. */
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bool osmo_ss7_as_down(const struct osmo_ss7_as *as)
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{
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OSMO_ASSERT(as);
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if (!as->fi)
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return true;
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return as->fi->state == XUA_AS_S_DOWN;
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}
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bool ss7_ipv6_sctp_supported(const char *host, bool bind)
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{
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int rc;
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@ -0,0 +1,211 @@
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/* Core SS7 AS Handling */
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/* (C) 2015-2017 by Harald Welte <laforge@gnumonks.org>
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* (C) 2023 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
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* All Rights Reserved
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*
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* SPDX-License-Identifier: GPL-2.0+
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <string.h>
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#include <errno.h>
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#include <unistd.h>
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#include <inttypes.h>
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#include <osmocom/sigtran/osmo_ss7.h>
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#include <osmocom/core/linuxlist.h>
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#include <osmocom/core/utils.h>
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#include <osmocom/core/talloc.h>
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#include <osmocom/core/logging.h>
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#include "ss7_internal.h"
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#include "xua_as_fsm.h"
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/***********************************************************************
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* SS7 Application Server
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***********************************************************************/
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struct value_string osmo_ss7_as_traffic_mode_vals[] = {
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{ OSMO_SS7_AS_TMOD_BCAST, "broadcast" },
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{ OSMO_SS7_AS_TMOD_LOADSHARE, "loadshare" },
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{ OSMO_SS7_AS_TMOD_ROUNDROBIN, "round-robin" },
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{ OSMO_SS7_AS_TMOD_OVERRIDE, "override" },
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{ 0, NULL }
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};
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static const struct rate_ctr_desc ss7_as_rcd[] = {
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[SS7_AS_CTR_RX_MSU_TOTAL] = { "rx:msu:total", "Total number of MSU received" },
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[SS7_AS_CTR_TX_MSU_TOTAL] = { "tx:msu:total", "Total number of MSU transmitted" },
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};
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static const struct rate_ctr_group_desc ss7_as_rcgd = {
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.group_name_prefix = "sigtran_as",
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.group_description = "SIGTRAN Application Server",
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.num_ctr = ARRAY_SIZE(ss7_as_rcd),
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.ctr_desc = ss7_as_rcd,
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};
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static unsigned int g_ss7_as_rcg_idx;
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/*! \brief Allocate an Application Server
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* \param[in] inst SS7 Instance on which we operate
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* \param[in] name Name of Application Server
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* \param[in] proto Protocol of Application Server
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* \returns pointer to Application Server on success; NULL otherwise */
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struct osmo_ss7_as *ss7_as_alloc(struct osmo_ss7_instance *inst, const char *name,
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enum osmo_ss7_asp_protocol proto)
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{
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struct osmo_ss7_as *as;
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as = talloc_zero(inst, struct osmo_ss7_as);
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if (!as)
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return NULL;
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as->ctrg = rate_ctr_group_alloc(as, &ss7_as_rcgd, g_ss7_as_rcg_idx++);
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if (!as->ctrg) {
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talloc_free(as);
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return NULL;
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}
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rate_ctr_group_set_name(as->ctrg, name);
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as->inst = inst;
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as->cfg.name = talloc_strdup(as, name);
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as->cfg.proto = proto;
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as->cfg.mode = OSMO_SS7_AS_TMOD_OVERRIDE;
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as->cfg.recovery_timeout_msec = 2000;
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as->cfg.routing_key.l_rk_id = ss7_find_free_l_rk_id(inst);
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as->fi = xua_as_fsm_start(as, LOGL_DEBUG);
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llist_add_tail(&as->list, &inst->as_list);
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return as;
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}
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/*! \brief Add given ASP to given AS
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* \param[in] as Application Server to which \ref asp is added
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* \param[in] asp Application Server Process to be added to \ref as
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* \returns 0 on success; negative in case of error */
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int osmo_ss7_as_add_asp(struct osmo_ss7_as *as, const char *asp_name)
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{
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struct osmo_ss7_asp *asp;
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unsigned int i;
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OSMO_ASSERT(ss7_initialized);
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asp = osmo_ss7_asp_find_by_name(as->inst, asp_name);
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if (!asp)
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return -ENODEV;
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LOGPAS(as, DLSS7, LOGL_INFO, "Adding ASP %s to AS\n", asp->cfg.name);
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if (osmo_ss7_as_has_asp(as, asp))
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return 0;
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for (i = 0; i < ARRAY_SIZE(as->cfg.asps); i++) {
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if (!as->cfg.asps[i]) {
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as->cfg.asps[i] = asp;
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return 0;
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}
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}
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return -ENOSPC;
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}
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/*! \brief Delete given ASP from given AS
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* \param[in] as Application Server from which \ref asp is deleted
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* \param[in] asp Application Server Process to delete from \ref as
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* \returns 0 on success; negative in case of error */
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int osmo_ss7_as_del_asp(struct osmo_ss7_as *as, const char *asp_name)
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{
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struct osmo_ss7_asp *asp;
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unsigned int i;
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OSMO_ASSERT(ss7_initialized);
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asp = osmo_ss7_asp_find_by_name(as->inst, asp_name);
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if (!asp)
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return -ENODEV;
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LOGPAS(as, DLSS7, LOGL_INFO, "Removing ASP %s from AS\n", asp->cfg.name);
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for (i = 0; i < ARRAY_SIZE(as->cfg.asps); i++) {
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if (as->cfg.asps[i] == asp) {
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as->cfg.asps[i] = NULL;
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return 0;
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}
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}
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return -EINVAL;
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}
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/*! \brief Destroy given Application Server
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* \param[in] as Application Server to destroy */
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void osmo_ss7_as_destroy(struct osmo_ss7_as *as)
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{
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struct osmo_ss7_route *rt, *rt2;
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OSMO_ASSERT(ss7_initialized);
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LOGPAS(as, DLSS7, LOGL_INFO, "Destroying AS\n");
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if (as->fi)
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osmo_fsm_inst_term(as->fi, OSMO_FSM_TERM_REQUEST, NULL);
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/* find any routes pointing to this AS and remove them */
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llist_for_each_entry_safe(rt, rt2, &as->inst->rtable_system->routes, list) {
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if (rt->dest.as == as)
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osmo_ss7_route_destroy(rt);
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}
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as->inst = NULL;
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llist_del(&as->list);
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rate_ctr_group_free(as->ctrg);
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talloc_free(as);
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}
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/*! \brief Determine if given AS contains ASP
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* \param[in] as Application Server in which to look for \ref asp
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* \param[in] asp Application Server Process to look for in \ref as
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* \returns true in case \ref asp is part of \ref as; false otherwise */
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bool osmo_ss7_as_has_asp(const struct osmo_ss7_as *as,
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const struct osmo_ss7_asp *asp)
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{
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unsigned int i;
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OSMO_ASSERT(ss7_initialized);
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for (i = 0; i < ARRAY_SIZE(as->cfg.asps); i++) {
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if (as->cfg.asps[i] == asp)
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return true;
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}
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return false;
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}
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/*! Determine if given AS is in the active state.
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* \param[in] as Application Server.
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* \returns true in case as is active; false otherwise. */
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bool osmo_ss7_as_active(const struct osmo_ss7_as *as)
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{
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if (!as->fi)
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return false;
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return as->fi->state == XUA_AS_S_ACTIVE;
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}
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/*! Determine if given AS is in the down state.
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* \param[in] as Application Server.
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* \returns true in case as is down; false otherwise. */
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bool osmo_ss7_as_down(const struct osmo_ss7_as *as)
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{
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OSMO_ASSERT(as);
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if (!as->fi)
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return true;
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return as->fi->state == XUA_AS_S_DOWN;
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}
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@ -3,9 +3,11 @@
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/* Internal header used by libosmo-sccp, not available publicly for lib users */
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#include <stdbool.h>
|
||||
#include <stdint.h>
|
||||
#include <osmocom/sigtran/osmo_ss7.h>
|
||||
|
||||
extern bool ss7_initialized;
|
||||
uint32_t ss7_find_free_l_rk_id(struct osmo_ss7_instance *inst);
|
||||
|
||||
bool ss7_ipv6_sctp_supported(const char *host, bool bind);
|
||||
|
||||
|
|
Loading…
Reference in New Issue