1 files changed, 51 insertions, 0 deletions
diff --git a/src/hlr_ss_ussd.h b/src/hlr_ss_ussd.h
new file mode 100644
index 0000000..68becd3
--- /dev/null
+++ b/src/hlr_ss_ussd.h
@@ -0,0 +1,51 @@
+#pragma once
+
+#include <osmocom/core/linuxlist.h>
+#include <osmocom/gsm/gsm0480.h>
+
+/* Represents a single USSE (either the internal, or an external) */
+struct hlr_usse {
+	/* list in the per-HLR list of USSEs */
+	struct llist_head list;
+	/* back-pointer to the HLR instance */
+	struct hlr *hlr;
+	/* human-readable description */
+	const char *description;
+	/* name (must match the IPA ID tag) */
+	const char *name;
+	/* list of USSD-code matching patterns */
+	struct llist_head patterns;
+};
+
+/* Matching pattern types sorted by priority */
+enum hlr_usse_pattern_type {
+	HLR_USSE_PATTERN_CODE = 0, /* higher priority */
+	HLR_USSE_PATTERN_REGEXP,
+	HLR_USSE_PATTERN_PREFIX,
+};
+
+/* Represents a USSD-code matching pattern */
+struct hlr_usse_pattern {
+	/* link to the parent USSE */
+	struct llist_head list;
+	/* back-pointer to the parent USSE */
+	struct hlr_usse *usse;
+	/* Patter type, e.g. code, regexp or prefix */
+	enum hlr_usse_pattern_type type;
+	/* Mathing pattern, e.g. '*110*' for prefix */
+	const char *pattern;
+	/* Response format string, e.g. 'Your MSISDN is %m' */
+	char *rsp_fmt;
+};
+
+struct hlr_usse *hlr_usse_find(struct hlr *hlr, const char *name);
+struct hlr_usse *hlr_usse_alloc(struct hlr *hlr, const char *name);
+void hlr_usse_del(struct hlr_usse *usse);
+
+struct hlr_usse_pattern *hlr_usse_pattern_find(struct hlr_usse *usse,
+	enum hlr_usse_pattern_type type, const char *pattern);
+struct hlr_usse_pattern *hlr_usse_pattern_add(struct hlr_usse *usse,
+	enum hlr_usse_pattern_type type, const char *pattern);
+void hlr_usse_pattern_del(struct hlr_usse_pattern *pt);
+
+void hlr_usse_clean_up(struct hlr *hlr);