[S] Change in osmo-sgsn[master]: ranap: split mmctx related iu events into own function

[lynxis lazus]

lynxis lazus has uploaded this change for review. ( 
https://gerrit.osmocom.org/c/osmo-sgsn/+/40699?usp=email )


Change subject: ranap: split mmctx related iu events into own function
......................................................................

ranap: split mmctx related iu events into own function

In preparation of Routing Areas for Iu, split
off mmctx related events into an own function.
All mmctx related events must contain a valid ctx or are
otherwise invalid.

Change-Id: Ie6f131d29da299f09e897240ec5c39a395ce6f1b
---
M src/sgsn/gprs_ranap.c
1 file changed, 24 insertions(+), 1 deletion(-)



  git pull ssh://gerrit.osmocom.org:29418/osmo-sgsn refs/changes/99/40699/1

diff --git a/src/sgsn/gprs_ranap.c b/src/sgsn/gprs_ranap.c
index af764de..d721255 100644
--- a/src/sgsn/gprs_ranap.c
+++ b/src/sgsn/gprs_ranap.c
@@ -137,11 +137,17 @@
        return -1;
 }

-int sgsn_ranap_iu_event(struct ranap_ue_conn_ctx *ctx, enum 
ranap_iu_event_type type, void *data)
+static int sgsn_ranap_iu_event_mmctx(struct ranap_ue_conn_ctx *ctx, enum 
ranap_iu_event_type type, void *data)
 {
        struct sgsn_mm_ctx *mm;
        int rc = -1;

+       if (!ctx) {
+               LOGIUP(ctx, LOGL_ERROR, "NULL ctx given for IU event %s\n",
+                      ranap_iu_event_type_str(type));
+               return rc;
+       }
+
        mm = sgsn_mm_ctx_by_ue_ctx(ctx);
        if (!mm) {
                LOGIUP(ctx, LOGL_NOTICE, "Cannot find mm ctx for IU event %s\n",
@@ -193,6 +199,23 @@
        return rc;
 }

+
+int sgsn_ranap_iu_event(struct ranap_ue_conn_ctx *ctx, enum 
ranap_iu_event_type type, void *data)
+{
+       struct ranap_iu_event_new_area *new_area;
+
+       switch (type) {
+       case RANAP_IU_EVENT_RAB_ASSIGN:
+       case RANAP_IU_EVENT_IU_RELEASE:
+       case RANAP_IU_EVENT_LINK_INVALIDATED:
+       case RANAP_IU_EVENT_SECURITY_MODE_COMPLETE:
+               return sgsn_ranap_iu_event_mmctx(ctx, type, data);
+       default:
+               LOGP(DRANAP, LOGL_NOTICE, "Iu: Unknown event received: type: 
%d\n", type);
+               return -1;
+       }
+}
+
 void sgsn_ranap_iu_free(struct sgsn_mm_ctx *ctx)
 {
        if (!ctx)

--
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Gerrit-MessageType: newchange
Gerrit-Project: osmo-sgsn
Gerrit-Branch: master
Gerrit-Change-Id: Ie6f131d29da299f09e897240ec5c39a395ce6f1b
Gerrit-Change-Number: 40699
Gerrit-PatchSet: 1
Gerrit-Owner: lynxis lazus <lyn...@fe80.eu>