From 53ab715fb42012fb5ac62ac49278439a2b793624 Mon Sep 17 00:00:00 2001
From: Neil Alexander <neilalexander@users.noreply.github.com>
Date: Sun, 31 May 2020 17:55:57 +0100
Subject: [PATCH] Store interface info

---
 src/multicast/multicast_linux.go | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/multicast/multicast_linux.go b/src/multicast/multicast_linux.go
index 76c614da..f0731f06 100644
--- a/src/multicast/multicast_linux.go
+++ b/src/multicast/multicast_linux.go
@@ -32,6 +32,9 @@ func (m *Multicast) _multicastStarted() {
 	go func() {
 		defer fmt.Println("No longer listening for netlink changes")
 		for {
+			current := m.config.GetCurrent()
+			exprs := current.MulticastInterfaces
+
 			select {
 			case change := <-linkChanges:
 				attrs := change.Attrs()
@@ -56,8 +59,13 @@ func (m *Multicast) _multicastStarted() {
 				if add {
 					m.Act(nil, func() {
 						fmt.Println("Link added:", attrs.Name)
-						if intf, err := net.InterfaceByName(attrs.Name); err == nil {
-							m._interfaces[attrs.Name] = intf
+						if iface, err := net.InterfaceByName(attrs.Name); err == nil {
+							if addrs, err := iface.Addrs(); err == nil {
+								m._interfaces[attrs.Name] = interfaceInfo{
+									iface: iface,
+									addrs: addrs,
+								}
+							}
 						}
 					})
 				} else {