USSD: Add Core USSD handling + VTY routing config to HLR
Change-Id: I3cfd7cd401ea32b7e92f1124d129099d9f7dc6e6
diff --git a/src/hlr_ussd.c b/src/hlr_ussd.c
new file mode 100644
index 0000000..785eafd
--- /dev/null
+++ b/src/hlr_ussd.c
@@ -0,0 +1,93 @@
+/* OsmoHLR VTY implementation */
+
+/* (C) 2018 Harald Welte <laforge@gnumonks.org>
+ *
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+
+#include <osmocom/core/talloc.h>
+#include <stdint.h>
+#include <string.h>
+
+#include "hlr.h"
+#include "hlr_ussd.h"
+
+struct hlr_euse *euse_find(struct hlr *hlr, const char *name)
+{
+ struct hlr_euse *euse;
+
+ llist_for_each_entry(euse, &hlr->euse_list, list) {
+ if (!strcmp(euse->name, name))
+ return euse;
+ }
+ return NULL;
+}
+
+struct hlr_euse *euse_alloc(struct hlr *hlr, const char *name)
+{
+ struct hlr_euse *euse = euse_find(hlr, name);
+ if (euse)
+ return NULL;
+
+ euse = talloc_zero(hlr, struct hlr_euse);
+ euse->name = talloc_strdup(euse, name);
+ euse->hlr = hlr;
+ INIT_LLIST_HEAD(&euse->routes);
+ llist_add_tail(&euse->list, &hlr->euse_list);
+
+ return euse;
+}
+
+void euse_del(struct hlr_euse *euse)
+{
+ llist_del(&euse->list);
+ talloc_free(euse);
+}
+
+
+struct hlr_euse_route *euse_route_find(struct hlr_euse *euse, const char *prefix)
+{
+ struct hlr_euse_route *rt;
+
+ llist_for_each_entry(rt, &euse->routes, list) {
+ if (!strcmp(rt->prefix, prefix))
+ return rt;
+ }
+ return NULL;
+}
+
+struct hlr_euse_route *euse_route_prefix_alloc(struct hlr_euse *euse, const char *prefix)
+{
+ struct hlr_euse_route *rt;
+
+ if (euse_route_find(euse, prefix))
+ return NULL;
+
+ rt = talloc_zero(euse, struct hlr_euse_route);
+ rt->prefix = talloc_strdup(rt, prefix);
+ rt->euse = euse;
+ llist_add_tail(&rt->list, &euse->routes);
+
+ return rt;
+}
+
+void euse_route_del(struct hlr_euse_route *rt)
+{
+ llist_del(&rt->list);
+ talloc_free(rt);
+}