Use wrappers for network message handling

1 files changed, 92 insertions, 0 deletions

diff --git a/src/org/traccar/WrapperOutboundHandler.java b/src/org/traccar/WrapperOutboundHandler.java
new file mode 100644
index 000000000..ad342fa6c
--- /dev/null
+++ b/src/org/traccar/WrapperOutboundHandler.java
@@ -0,0 +1,92 @@
+/*
+ * Copyright 2018 Anton Tananaev (anton@traccar.org)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.traccar;
+
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.ChannelOutboundHandler;
+import io.netty.channel.ChannelPromise;
+
+import java.net.SocketAddress;
+
+public class WrapperOutboundHandler implements ChannelOutboundHandler {
+
+    private ChannelOutboundHandler handler;
+
+    public WrapperOutboundHandler(ChannelOutboundHandler handler) {
+        this.handler = handler;
+    }
+
+    @Override
+    public void bind(ChannelHandlerContext ctx, SocketAddress localAddress, ChannelPromise promise) throws Exception {
+        handler.bind(ctx, localAddress, promise);
+    }
+
+    @Override
+    public void connect(ChannelHandlerContext ctx, SocketAddress remoteAddress, SocketAddress localAddress, ChannelPromise promise) throws Exception {
+        handler.connect(ctx, remoteAddress, localAddress, promise);
+    }
+
+    @Override
+    public void disconnect(ChannelHandlerContext ctx, ChannelPromise promise) throws Exception {
+        handler.disconnect(ctx, promise);
+    }
+
+    @Override
+    public void close(ChannelHandlerContext ctx, ChannelPromise promise) throws Exception {
+        handler.close(ctx, promise);
+    }
+
+    @Override
+    public void deregister(ChannelHandlerContext ctx, ChannelPromise promise) throws Exception {
+        handler.deregister(ctx, promise);
+    }
+
+    @Override
+    public void read(ChannelHandlerContext ctx) throws Exception {
+        handler.read(ctx);
+    }
+
+    @Override
+    public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) throws Exception {
+        if (msg instanceof NetworkMessage) {
+            NetworkMessage nm = (NetworkMessage) msg;
+            handler.write(new WrapperContext(ctx, nm.getRemoteAddress()), nm.getMessage(), promise);
+        } else {
+            handler.write(ctx, msg, promise);
+        }
+    }
+
+    @Override
+    public void flush(ChannelHandlerContext ctx) throws Exception {
+        handler.flush(ctx);
+    }
+
+    @Override
+    public void handlerAdded(ChannelHandlerContext ctx) throws Exception {
+        handler.handlerAdded(ctx);
+    }
+
+    @Override
+    public void handlerRemoved(ChannelHandlerContext ctx) throws Exception {
+        handler.handlerRemoved(ctx);
+    }
+
+    @Override
+    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
+        handler.exceptionCaught(ctx, cause);
+    }
+
+}