juice, refactor: use new stun binding callback signature.

juice/include/juice/juice.h

@@ -63,7 +63,17 @@ typedef void (*juice_cb_candidate_t)(juice_agent_t *agent, const char *sdp, void
 typedef void (*juice_cb_gathering_done_t)(juice_agent_t *agent, void *user_ptr);
 typedef void (*juice_cb_recv_t)(juice_agent_t *agent, const char *data, size_t size,
                                 void *user_ptr);
-typedef void (*juice_cb_stun_binding_t)(const char *ufrag, const char *pwd, const char *bind_address);
+
+typedef struct juice_stun_binding {
+	const char *ufrag;
+	const char *pwd;
+
+	uint8_t family;
+	const char *address;
+	uint16_t port;
+} juice_stun_binding_t;
+
+typedef void (*juice_cb_stun_binding_t)(const juice_stun_binding_t *info);
 
 typedef struct juice_turn_server {
 	const char *host;

juice/src/conn_mux.c

@@ -299,9 +299,29 @@ static juice_agent_t *lookup_agent(conn_registry_t *registry, char *buf, size_t
 
 		if (registry->cb_stun_binding) {
 			JLOG_DEBUG("Found STUN agent for unknown ICE ufrag");
-			char src_str[ADDR_MAX_STRING_LEN];
-			addr_record_to_string(src, src_str, ADDR_MAX_STRING_LEN);
-			registry->cb_stun_binding(username, separator + 1, src_str);
+
+			const struct sockaddr *sa = (const struct sockaddr *)&src->addr;
+
+			socklen_t salen = addr_get_len(sa);
+			if (salen == 0)
+				return NULL;
+
+			char host[ADDR_MAX_NUMERICHOST_LEN];
+			if (getnameinfo(sa, salen, host, ADDR_MAX_NUMERICHOST_LEN, NULL, 0, NI_NUMERICHOST)) {
+				JLOG_ERROR("getnameinfo failed, errno=%d", sockerrno);
+				return NULL;
+			}
+
+			juice_stun_binding_t binding_info;
+
+			binding_info.ufrag = username;
+			binding_info.pwd = separator + 1;
+			binding_info.family = sa->sa_family;
+			binding_info.address = host;
+			binding_info.port = addr_get_port(src);
+
+			registry->cb_stun_binding(&binding_info);
+
 			return NULL;
 		}
 	} else {