pespin has uploaded this change for review. (
https://gerrit.osmocom.org/c/libosmo-sigtran/+/41515?usp=email )
Change subject: xua_asp_fsm: Move common ipa/xua ASP_DOWN onenter code to
helper function
......................................................................
xua_asp_fsm: Move common ipa/xua ASP_DOWN onenter code to helper function
This is a preparation patch since that function (and AS loop inside it)
will be doing more stuff in the future, like tearing down TCAP
loadsharing state.
Change-Id: Ia445ebc9a3bbad903d26259453e403fd450e8075
---
M src/xua_asp_fsm.c
M src/xua_internal.h
M src/xua_rkm.c
3 files changed, 26 insertions(+), 32 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/libosmo-sigtran
refs/changes/15/41515/1
diff --git a/src/xua_asp_fsm.c b/src/xua_asp_fsm.c
index d10420f..7a6979d 100644
--- a/src/xua_asp_fsm.c
+++ b/src/xua_asp_fsm.c
@@ -477,6 +477,30 @@
}
+static void common_asp_fsm_down_onenter(struct osmo_ss7_asp *asp)
+{
+ struct osmo_ss7_as *as, *as2;
+ struct osmo_ss7_instance *inst = asp->inst;
+
+ /* First notify all AS associated to the ASP that it went down: */
+ dispatch_to_all_as(asp->fi, XUA_ASPAS_ASP_DOWN_IND, asp);
+
+ /* Implicit clean up tasks: */
+ llist_for_each_entry_safe(as, as2, &inst->as_list, list) {
+ if (!osmo_ss7_as_has_asp(as, asp))
+ continue;
+ if (as->rkm_dyn_allocated) {
+ /* RFC 4666 4.4.2: "An ASP SHOULD deregister from all
Application Servers
+ * of which it is a member before attempting to move to
the ASP-Down state [...]
+ * If a Deregistration results in no more ASPs in an
Application Server,
+ * an SG MAY delete the Routing Key data."
+ * In case it didn't deregsitrer explicitly, make sure
to implicitly deregister it:
+ */
+ ss7_as_del_asp(as, asp);
+ }
+ }
+}
+
#define ENSURE_ASP_OR_IPSP(fi, event) \
do { \
struct xua_asp_fsm_priv *_xafp = fi->priv; \
@@ -513,14 +537,7 @@
struct xua_asp_fsm_priv *xafp = fi->priv;
struct osmo_ss7_asp *asp = xafp->asp;
xua_t_beat_stop(fi);
- dispatch_to_all_as(fi, XUA_ASPAS_ASP_DOWN_IND, asp);
- /* RFC 4666 4.4.2: "An ASP SHOULD deregister from all Application
Servers of which it is a
- * member before attempting to move to the ASP-Down state [...]
- * If a Deregistration results in no more ASPs in an Application
Server, an SG MAY delete
- * the Routing Key data."
- * In case it didn't deregsitrer explicitly, make sure to implicitly
deregister it:
- */
- xua_rkm_cleanup_dyn_as_for_asp(asp);
+ common_asp_fsm_down_onenter(asp);
}
static void xua_asp_fsm_down(struct osmo_fsm_inst *fi, uint32_t event, void
*data)
@@ -1107,14 +1124,7 @@
struct xua_asp_fsm_priv *xafp = fi->priv;
struct osmo_ss7_asp *asp = xafp->asp;
ipa_t_beat_stop(fi);
- dispatch_to_all_as(fi, XUA_ASPAS_ASP_DOWN_IND, asp);
- /* RFC 4666 4.4.2: "An ASP SHOULD deregister from all Application
Servers of which it is a
- * member before attempting to move to the ASP-Down state [...]
- * If a Deregistration results in no more ASPs in an Application
Server, an SG MAY delete
- * the Routing Key data."
- * In case it didn't deregsitrer explicitly, make sure to implicitly
deregister it:
- */
- xua_rkm_cleanup_dyn_as_for_asp(asp);
+ common_asp_fsm_down_onenter(asp);
}
static void ipa_asp_fsm_down(struct osmo_fsm_inst *fi, uint32_t event, void
*data)
diff --git a/src/xua_internal.h b/src/xua_internal.h
index 90a68be..a6cb961 100644
--- a/src/xua_internal.h
+++ b/src/xua_internal.h
@@ -92,7 +92,6 @@
int m3ua_decode_notify(struct osmo_xlm_prim_notify *npar, void *ctx,
const struct xua_msg *xua);
int m3ua_rx_rkm(struct osmo_ss7_asp *asp, struct xua_msg *xua);
-void xua_rkm_cleanup_dyn_as_for_asp(struct osmo_ss7_asp *asp);
struct osmo_xlm_prim *xua_xlm_prim_alloc(enum osmo_xlm_prim_type prim_type,
enum osmo_prim_operation op);
diff --git a/src/xua_rkm.c b/src/xua_rkm.c
index 2de830f..9713e3a 100644
--- a/src/xua_rkm.c
+++ b/src/xua_rkm.c
@@ -623,18 +623,3 @@
msgb_free(prim->oph.msg);
return 0;
}
-
-/* clean-up any dynamically created ASs + routes */
-void xua_rkm_cleanup_dyn_as_for_asp(struct osmo_ss7_asp *asp)
-{
- struct osmo_ss7_instance *inst = asp->inst;
- struct osmo_ss7_as *as, *as2;
-
- llist_for_each_entry_safe(as, as2, &inst->as_list, list) {
- if (!as->rkm_dyn_allocated)
- continue;
- if (!osmo_ss7_as_has_asp(as, asp))
- continue;
- ss7_as_del_asp(as, asp);
- }
-}
--
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Gerrit-MessageType: newchange
Gerrit-Project: libosmo-sigtran
Gerrit-Branch: master
Gerrit-Change-Id: Ia445ebc9a3bbad903d26259453e403fd450e8075
Gerrit-Change-Number: 41515
Gerrit-PatchSet: 1
Gerrit-Owner: pespin <[email protected]>
