WebSocket增加getSncpAddress方法，获取分布式下的sncp地址

src/org/redkale/net/http/WebSocket.java

@@ -83,6 +83,8 @@ public abstract class WebSocket<G extends Serializable, T> {
 
     WebSocketEngine _engine; //不可能为空 
 
+    InetSocketAddress _sncpAddress; //分布式下不可为空
+
     AsyncConnection _channel;//不可能为空 
 
     String _sessionid; //不可能为空 
@@ -826,6 +828,15 @@ public abstract class WebSocket<G extends Serializable, T> {
         return forceCloseWebSocket(getUserid()).thenApply((r) -> true);
     }
 
+    /**
+     * 获取分布式情况下的SNCP地址, 非分布式下为null
+     *
+     * @return InetSocketAddress sncpAddress
+     */
+    public InetSocketAddress getSncpAddress() {
+        return _sncpAddress;
+    }
+
     /**
      * 获取Logger
      *

src/org/redkale/net/http/WebSocketServlet.java

@@ -209,6 +209,7 @@ public abstract class WebSocketServlet extends HttpServlet implements Resourcabl
         webSocket._sendConvert = sendConvert;
         webSocket._remoteAddress = request.getRemoteAddress();
         webSocket._remoteAddr = request.getRemoteAddr();
+        webSocket._sncpAddress = this.node.localSncpAddress;
         initRestWebSocket(webSocket);
         CompletableFuture<String> sessionFuture = webSocket.onOpen(request);
         if (sessionFuture == null) {