Add isActive to NetherNetSignaling (#13)

Author: rtm516

gradle.properties

@@ -1,2 +1,2 @@
 # Only update version on publishing to Maven Central
-version=1.7.3
+version=1.7.4

transport-nethernet/src/main/java/dev/kastle/netty/channel/nethernet/signaling/AbstractNetherNetXboxSignaling.java

@@ -194,6 +194,12 @@ public void channelInactive(ChannelHandlerContext ctx) throws Exception {
         super.channelInactive(ctx);
     }
 
+    @Override
+    public boolean isActive() {
+        Channel ch = this.channel;
+        return ch != null && ch.isActive();
+    }
+
     @Override
     public void close() {
         if (channel != null) channel.close();

transport-nethernet/src/main/java/dev/kastle/netty/channel/nethernet/signaling/NetherNetDiscoverySignaling.java

@@ -164,6 +164,11 @@ public void setNotFoundHandler(NetherNetClientSignaling.NotFoundHandler handler)
         // Not implemented for Discovery signaling
     }
 
+    @Override
+    public boolean isActive() {
+        return this.discovery.isActive();
+    }
+
     @Override
     public void close() {
         this.discovery.close();

transport-nethernet/src/main/java/dev/kastle/netty/channel/nethernet/signaling/NetherNetSignaling.java

@@ -33,6 +33,11 @@ public interface NetherNetSignaling extends AutoCloseable {
      */
     String getLocalNetworkId();
 
+    /**
+     * Whether the signaling is connected and able to carry messages
+     */
+    boolean isActive();
+
     /**
      * Closes the signaling channel and releases any associated resources.
      */