wireguard: add events for peer

we can receive events from peer about its state:
-WIREGUARD_PEER_STATUS_DEAD
-WIREGUARD_PEER_ESTABLISHED

Type: improvement
Change-Id: Ide83fbe2cfafa79ded5bcf3f6a884c26a7583db0
Signed-off-by: Artem Glazychev <artem.glazychev@xored.com>

1 files changed, 38 insertions, 0 deletions

diff --git a/src/plugins/wireguard/wireguard.api b/src/plugins/wireguard/wireguard.api
index e290fc41ffc..1473d9ca39b 100755
--- a/src/plugins/wireguard/wireguard.api
+++ b/src/plugins/wireguard/wireguard.api
@@ -83,6 +83,7 @@ define wireguard_interface_details
 enum wireguard_peer_flags : u8
 {
   WIREGUARD_PEER_STATUS_DEAD = 0x1,
+  WIREGUARD_PEER_ESTABLISHED = 0x2,
 };
 
 /** \brief Create new peer
@@ -107,6 +108,41 @@ typedef wireguard_peer
   vl_api_prefix_t allowed_ips[n_allowed_ips];
 };
 
+service {
+  rpc want_wireguard_peer_events returns want_wireguard_peer_events_reply
+    events wireguard_peer_event;
+};
+/** \brief Register for wireguard peer events
+    @param client_index - opaque cookie to identify the sender
+    @param context - sender context, to match reply w/ request
+    @param sw_if_index - index of the interface to dump peer info on, ~0 if on all
+    @param peer_index - index of the peer to dump info on, ~0 if on all
+    @param enable_disable - 1 => register for events, 0 => cancel registration
+    @param pid - sender's pid
+*/
+autoreply define want_wireguard_peer_events
+{
+  u32 client_index;
+  u32 context;
+  vl_api_interface_index_t sw_if_index [default=0xFFFFFFFF];
+  u32 peer_index [default=0xFFFFFFFF];
+  u32 enable_disable;
+  u32 pid;
+};
+/** \brief Interface Event generated by want_wireguard_peer_events
+    @param client_index - opaque cookie to identify the sender
+    @param pid - client pid registered to receive notification
+    @param peer_index - index of the peer for this event
+    @param deleted - interface was deleted
+*/
+define wireguard_peer_event
+{
+  u32 client_index;
+  u32 pid;
+  u32 peer_index;
+  vl_api_wireguard_peer_flags_t flags;
+};
+
 /** \brief Create new peer
     @param client_index - opaque cookie to identify the sender
     @param context - sender context, to match reply w/ request
@@ -140,10 +176,12 @@ autoreply define wireguard_peer_remove
 /** \brief Dump all peers
     @param client_index - opaque cookie to identify the sender
     @param context - sender context, to match reply w/ request
+    @param peer_index - peer index to be dumped.  If 0xFFFFFFFF dumps all peers
 */
 define wireguard_peers_dump {
   u32 client_index;
   u32 context;
+  u32 peer_index [default=0xFFFFFFFF];
 };
 
 /** \brief Dump peers response