host: keep multiple endpoint candidates, one for each type

[project/unetd.git] / host.h

diff --git a/host.h b/host.h
index 5eed71175784fb8729dd4763ad3046294d909edc..b3fef037e8596196839ed8eb28337ff440b1189a 100644 (file)
--- a/host.h
+++ b/host.h
@@ -5,6 +5,14 @@
 #ifndef __UNETD_HOST_H
 #define __UNETD_HOST_H
 
+enum peer_endpoint_type {
+       ENDPOINT_TYPE_STATIC,
+       ENDPOINT_TYPE_PEX,
+       ENDPOINT_TYPE_ENDPOINT_NOTIFY,
+       ENDPOINT_TYPE_ENDPOINT_PORT_NOTIFY,
+       __ENDPOINT_TYPE_MAX,
+};
+
 struct network_peer {
        struct vlist_node node;
        uint8_t key[CURVE25519_KEY_SIZE];
@@ -25,7 +33,8 @@ struct network_peer {
                union network_addr local_ep_addr;
                union network_endpoint endpoint;
 
-               union network_endpoint next_endpoint;
+               uint8_t next_endpoint_idx;
+               union network_endpoint next_endpoint[__ENDPOINT_TYPE_MAX];
                uint64_t last_ep_update;
 
                uint64_t rx_bytes;