pespin has uploaded this change for review. (
https://gerrit.osmocom.org/c/osmo-hnbgw/+/40242?usp=email )
Change subject: Split struct hnbgw_sccp_user allocation & setup to its own
function
......................................................................
Split struct hnbgw_sccp_user allocation & setup to its own function
Preparation for follow-up commit splitting whole SCCP handling to its
own file.
Change-Id: I04c36bc0193554fcaf6be5e20573052c421af49d
---
M src/osmo-hnbgw/hnbgw_cn.c
1 file changed, 56 insertions(+), 49 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-hnbgw refs/changes/42/40242/1
diff --git a/src/osmo-hnbgw/hnbgw_cn.c b/src/osmo-hnbgw/hnbgw_cn.c
index 686a0e5..df8f8e9 100644
--- a/src/osmo-hnbgw/hnbgw_cn.c
+++ b/src/osmo-hnbgw/hnbgw_cn.c
@@ -423,15 +423,67 @@
cnlink->name, cnlink->use.remote_addr_name ? : "(default
remote point-code)");
}
+static struct hnbgw_sccp_user *hnbgw_sccp_user_alloc(const struct hnbgw_cnlink
*cnlink, int ss7_inst_id)
+{
+ struct osmo_ss7_instance *ss7 = NULL;
+ struct osmo_sccp_instance *sccp;
+ struct osmo_sccp_user *sccp_user;
+ uint32_t local_pc;
+ struct hnbgw_sccp_user *hsu;
+
+ sccp = osmo_sccp_simple_client_on_ss7_id(g_hnbgw,
+ ss7 ?
osmo_ss7_instance_get_id(ss7) : 0,
+ cnlink->name,
+ DEFAULT_PC_HNBGW,
+ OSMO_SS7_ASP_PROT_M3UA,
+ 0,
+ "localhost",
+ -1,
+ "localhost");
+ if (!sccp) {
+ LOG_CNLINK(cnlink, DCN, LOGL_ERROR, "Failed to configure SCCP
on 'cs7 instance %u'\n",
+ ss7 ? osmo_ss7_instance_get_id(ss7) : 0);
+ return NULL;
+ }
+ ss7 = osmo_sccp_get_ss7(sccp);
+ LOG_CNLINK(cnlink, DCN, LOGL_NOTICE, "created SCCP instance on cs7
instance %u\n", osmo_ss7_instance_get_id(ss7));
+
+ /* Bind the SCCP user, using the cs7 instance's default point-code if
one is configured, or osmo-hnbgw's default
+ * local PC. */
+ local_pc = osmo_ss7_instance_get_primary_pc(ss7);
+ if (!osmo_ss7_pc_is_valid(local_pc))
+ local_pc = DEFAULT_PC_HNBGW;
+
+ LOG_CNLINK(cnlink, DCN, LOGL_DEBUG, "binding OsmoHNBGW user to cs7
instance %u, local PC %u = %s\n",
+ osmo_ss7_instance_get_id(ss7), local_pc,
osmo_ss7_pointcode_print(ss7, local_pc));
+
+ sccp_user = osmo_sccp_user_bind_pc(sccp, "OsmoHNBGW", sccp_sap_up,
OSMO_SCCP_SSN_RANAP, local_pc);
+ if (!sccp_user) {
+ LOGP(DCN, LOGL_ERROR, "Failed to init SCCP User\n");
+ return NULL;
+ }
+
+ hsu = talloc_zero(cnlink, struct hnbgw_sccp_user);
+ *hsu = (struct hnbgw_sccp_user){
+ .name = talloc_asprintf(hsu, "cs7-%u.sccp",
osmo_ss7_instance_get_id(ss7)),
+ .ss7 = ss7,
+ .sccp_user = sccp_user,
+ };
+ osmo_sccp_make_addr_pc_ssn(&hsu->local_addr, local_pc,
OSMO_SCCP_SSN_RANAP);
+ hash_init(hsu->hnbgw_context_map_by_conn_id);
+ osmo_sccp_user_set_priv(sccp_user, hsu);
+
+ llist_add_tail(&hsu->entry, &g_hnbgw->sccp.users);
+
+ return hsu;
+}
+
/* If not present yet, set up all of osmo_ss7_instance, osmo_sccp_instance and
hnbgw_sccp_user for the given cnlink.
* The cs7 instance nr to use is determined by cnlink->remote_addr_name, or
cs7 instance 0 if that is not present.
* Set cnlink->hnbgw_sccp_user to the new SCCP instance. Return 0 on success,
negative on error. */
int hnbgw_cnlink_start_or_restart(struct hnbgw_cnlink *cnlink)
{
struct osmo_ss7_instance *ss7 = NULL;
- struct osmo_sccp_instance *sccp;
- struct osmo_sccp_user *sccp_user;
- uint32_t local_pc;
struct hnbgw_sccp_user *hsu;
/* If a hnbgw_sccp_user has already been set up, use that. */
@@ -492,52 +544,7 @@
/* No SCCP instance yet for this ss7. Create it. If no address name is
given that resolves to a
* particular cs7 instance above, use 'cs7 instance 0'. */
- sccp = osmo_sccp_simple_client_on_ss7_id(g_hnbgw,
- ss7 ?
osmo_ss7_instance_get_id(ss7) : 0,
- cnlink->name,
- DEFAULT_PC_HNBGW,
- OSMO_SS7_ASP_PROT_M3UA,
- 0,
- "localhost",
- -1,
- "localhost");
- if (!sccp) {
- LOG_CNLINK(cnlink, DCN, LOGL_ERROR, "Failed to configure SCCP
on 'cs7 instance %u'\n",
- ss7 ? osmo_ss7_instance_get_id(ss7) : 0);
- return -1;
- }
- ss7 = osmo_sccp_get_ss7(sccp);
- LOG_CNLINK(cnlink, DCN, LOGL_NOTICE, "created SCCP instance on cs7
instance %u\n", osmo_ss7_instance_get_id(ss7));
-
- /* Bind the SCCP user, using the cs7 instance's default point-code if
one is configured, or osmo-hnbgw's default
- * local PC. */
- local_pc = osmo_ss7_instance_get_primary_pc(ss7);
- if (!osmo_ss7_pc_is_valid(local_pc))
- local_pc = DEFAULT_PC_HNBGW;
-
- LOG_CNLINK(cnlink, DCN, LOGL_DEBUG, "binding OsmoHNBGW user to cs7
instance %u, local PC %u = %s\n",
- osmo_ss7_instance_get_id(ss7), local_pc,
osmo_ss7_pointcode_print(ss7, local_pc));
-
- sccp_user = osmo_sccp_user_bind_pc(sccp, "OsmoHNBGW", sccp_sap_up,
OSMO_SCCP_SSN_RANAP, local_pc);
- if (!sccp_user) {
- LOGP(DCN, LOGL_ERROR, "Failed to init SCCP User\n");
- return -1;
- }
-
- hsu = talloc_zero(cnlink, struct hnbgw_sccp_user);
- *hsu = (struct hnbgw_sccp_user){
- .name = talloc_asprintf(hsu, "cs7-%u.sccp",
osmo_ss7_instance_get_id(ss7)),
- .ss7 = ss7,
- .sccp_user = sccp_user,
- };
- osmo_sccp_make_addr_pc_ssn(&hsu->local_addr, local_pc,
OSMO_SCCP_SSN_RANAP);
- hash_init(hsu->hnbgw_context_map_by_conn_id);
- osmo_sccp_user_set_priv(sccp_user, hsu);
-
- llist_add_tail(&hsu->entry, &g_hnbgw->sccp.users);
-
- cnlink->hnbgw_sccp_user = hsu;
-
+ cnlink->hnbgw_sccp_user = hnbgw_sccp_user_alloc(cnlink, ss7 ?
osmo_ss7_instance_get_id(ss7) : 0);
hnbgw_cnlink_log_self(cnlink);
return 0;
}
--
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Gerrit-MessageType: newchange
Gerrit-Project: osmo-hnbgw
Gerrit-Branch: master
Gerrit-Change-Id: I04c36bc0193554fcaf6be5e20573052c421af49d
Gerrit-Change-Number: 40242
Gerrit-PatchSet: 1
Gerrit-Owner: pespin <pes...@sysmocom.de>
