对SNCP的Address进行IPv4判断

src/org/redkale/net/sncp/SncpClient.java

@@ -103,6 +103,7 @@ public final class SncpClient {
         this.actions = methodens.toArray(new SncpAction[methodens.size()]);
         this.addrBytes = clientAddress == null ? new byte[4] : clientAddress.getAddress().getAddress();
         this.addrPort = clientAddress == null ? 0 : clientAddress.getPort();
+        if (this.addrBytes.length != 4) throw new RuntimeException("SNCP clientAddress only support IPv4");
     }
 
     static List<SncpAction> getSncpActions(final Class serviceClass) {

src/org/redkale/net/sncp/SncpResponse.java

@@ -49,6 +49,7 @@ public final class SncpResponse extends Response<SncpContext, SncpRequest> {
         super(context, request);
         this.addrBytes = context.getServerAddress().getAddress().getAddress();
         this.addrPort = context.getServerAddress().getPort();
+        if (this.addrBytes.length != 4) throw new RuntimeException("SNCP serverAddress only support IPv4");
     }
 
     public void finish(final int retcode, final BsonWriter out) {