| // Copyright 2019 The Bazel Authors. All rights reserved. |
| // |
| // 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 com.google.devtools.build.lib.remote.http; |
| |
| import io.netty.channel.ChannelHandlerContext; |
| import io.netty.handler.timeout.IdleState; |
| import io.netty.handler.timeout.IdleStateEvent; |
| import io.netty.handler.timeout.IdleStateHandler; |
| import io.netty.handler.timeout.TimeoutException; |
| import java.util.concurrent.TimeUnit; |
| |
| /** |
| * Triggers {@link IdleState.ALL_IDLE} events, when no reads or writes were performed for a period |
| * of time. |
| */ |
| public final class IdleTimeoutHandler extends IdleStateHandler { |
| private final TimeoutException timeoutException; |
| private boolean closed; |
| |
| @SuppressWarnings("GoodTime-ApiWithNumericTimeUnit") |
| public IdleTimeoutHandler(long timeoutSeconds, TimeoutException timeoutException) { |
| super(/* readerIdleTime= */ 0, /* writerIdleTime= */ 0, timeoutSeconds, TimeUnit.SECONDS); |
| this.timeoutException = timeoutException; |
| } |
| |
| @Override |
| @SuppressWarnings("FutureReturnValueIgnored") |
| protected final void channelIdle(ChannelHandlerContext ctx, IdleStateEvent evt) throws Exception { |
| assert evt.state() == IdleState.ALL_IDLE; |
| if (!closed) { |
| ctx.fireExceptionCaught(timeoutException); |
| ctx.close(); |
| closed = true; |
| } |
| } |
| } |