| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.jackrabbit.oak.segment.standby.server; |
| |
| import io.netty.channel.ChannelHandlerContext; |
| import io.netty.channel.ChannelOutboundHandlerAdapter; |
| import io.netty.channel.ChannelPromise; |
| import org.apache.jackrabbit.oak.segment.standby.codec.GetBlobResponse; |
| import org.apache.jackrabbit.oak.segment.standby.codec.GetSegmentResponse; |
| import org.apache.jackrabbit.oak.segment.standby.store.CommunicationObserver; |
| |
| /** |
| * Notifies an observer when a 'get segment' or 'get blob' response is sent |
| * from this server. |
| */ |
| class ResponseObserverHandler extends ChannelOutboundHandlerAdapter { |
| |
| private final CommunicationObserver observer; |
| |
| ResponseObserverHandler(CommunicationObserver observer) { |
| this.observer = observer; |
| } |
| |
| @Override |
| public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) throws Exception { |
| if (msg instanceof GetSegmentResponse) { |
| onGetSegmentResponse((GetSegmentResponse) msg); |
| } else if (msg instanceof GetBlobResponse) { |
| onGetBlobResponse((GetBlobResponse) msg); |
| } |
| |
| ctx.write(msg, promise); |
| } |
| |
| private void onGetSegmentResponse(GetSegmentResponse response) { |
| observer.didSendSegmentBytes(response.getClientId(), response.getSegmentData().length); |
| } |
| |
| private void onGetBlobResponse(GetBlobResponse response) { |
| observer.didSendBinariesBytes(response.getClientId(), Math.max(0, response.getLength())); |
| } |
| |
| } |