3 files changed, 41 insertions, 0 deletions
diff --git a/lib/includes/hicn/face.h b/lib/includes/hicn/face.h
index 45a1b97da..0d116b64b 100644
--- a/lib/includes/hicn/face.h
+++ b/lib/includes/hicn/face.h
@@ -138,6 +138,13 @@ foreach_face_type
 #undef _
 } face_type_t;
 
+typedef enum {
+    FACE_PROTOCOL_HICN,
+    FACE_PROTOCOL_UDP,
+    FACE_PROTOCOL_TCP,
+    FACE_PROTOCOL_UNKNOWN,
+} face_protocol_t;
+
 #define face_type_is_valid(face_type) \
     (((face_type) >= FACE_TYPE_UNDEFINED) && (face_type < FACE_TYPE_N))
 #define face_type_is_defined(face_type) \
@@ -209,5 +216,7 @@ face_snprintf(char * s, size_t size, const face_t * face);
 policy_tags_t face_get_tags(const face_t * face);
 int face_set_tags(face_t * face, policy_tags_t tags);
 
+face_protocol_t get_protocol(face_type_t face_type);
+
 #endif /* HICN_FACE_H */
 
diff --git a/lib/includes/hicn/util/ip_address.h b/lib/includes/hicn/util/ip_address.h
index 27880047c..a43f16754 100644
--- a/lib/includes/hicn/util/ip_address.h
+++ b/lib/includes/hicn/util/ip_address.h
@@ -135,6 +135,17 @@ const u8 * ip_address_get_buffer(const ip_address_t * ip_address, int family);
 int ip_address_ntop (const ip_address_t * ip_address, char *dst,
         const size_t len, int family);
 int ip_address_pton (const char *ip_address_str, ip_address_t * ip_address);
+
+/**
+ * @brief Return the ip_address provided as parameter in string format.
+ * E.g. (for ipv4): "0.0.0.0"
+ *
+ * @param[in, out] s String to store the parsed address
+ * @param[in] size Size of the string @p s
+ * @param[in] ip_address Address to parse to string
+ * @param[in] family Address family (e.g. AF_INET, AF_INET6)
+ * @return int Length of the string generated parsing the addr
+ */
 int ip_address_snprintf(char * s, size_t size, const ip_address_t * ip_address,
         int family);
 int ip_address_to_sockaddr(const ip_address_t * ip_address, struct sockaddr *sa,
diff --git a/lib/src/face.c b/lib/src/face.c
index 6d0d9c486..7b3bbe3c3 100644
--- a/lib/src/face.c
+++ b/lib/src/face.c
@@ -420,3 +420,24 @@ face_set_tags(face_t * face, policy_tags_t tags)
     face->tags = tags;
     return 1;
 }
+
+face_protocol_t
+get_protocol(face_type_t face_type) {
+    switch (face_type) {
+        case FACE_TYPE_HICN:
+        case FACE_TYPE_HICN_LISTENER:
+            return FACE_PROTOCOL_HICN;
+
+        case FACE_TYPE_TCP:
+        case FACE_TYPE_TCP_LISTENER:
+            return FACE_PROTOCOL_TCP;
+
+        case FACE_TYPE_UDP:
+        case FACE_TYPE_UDP_LISTENER:
+            return FACE_PROTOCOL_UDP;
+        break;
+
+        default:
+            return FACE_PROTOCOL_UNKNOWN;
+    }
+}