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Diffstat (limited to 'src/java/nginx/unit/websocket/AsyncChannelWrapperNonSecure.java')
-rw-r--r-- | src/java/nginx/unit/websocket/AsyncChannelWrapperNonSecure.java | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/src/java/nginx/unit/websocket/AsyncChannelWrapperNonSecure.java b/src/java/nginx/unit/websocket/AsyncChannelWrapperNonSecure.java new file mode 100644 index 00000000..5b88bfe1 --- /dev/null +++ b/src/java/nginx/unit/websocket/AsyncChannelWrapperNonSecure.java @@ -0,0 +1,112 @@ +/* + * 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 nginx.unit.websocket; + +import java.io.IOException; +import java.nio.ByteBuffer; +import java.nio.channels.AsynchronousSocketChannel; +import java.nio.channels.CompletionHandler; +import java.util.concurrent.ExecutionException; +import java.util.concurrent.Future; +import java.util.concurrent.TimeUnit; +import java.util.concurrent.TimeoutException; + +/** + * Generally, just passes calls straight to the wrapped + * {@link AsynchronousSocketChannel}. In some cases exceptions may be swallowed + * to save them being swallowed by the calling code. + */ +public class AsyncChannelWrapperNonSecure implements AsyncChannelWrapper { + + private static final Future<Void> NOOP_FUTURE = new NoOpFuture(); + + private final AsynchronousSocketChannel socketChannel; + + public AsyncChannelWrapperNonSecure( + AsynchronousSocketChannel socketChannel) { + this.socketChannel = socketChannel; + } + + @Override + public Future<Integer> read(ByteBuffer dst) { + return socketChannel.read(dst); + } + + @Override + public <B,A extends B> void read(ByteBuffer dst, A attachment, + CompletionHandler<Integer,B> handler) { + socketChannel.read(dst, attachment, handler); + } + + @Override + public Future<Integer> write(ByteBuffer src) { + return socketChannel.write(src); + } + + @Override + public <B,A extends B> void write(ByteBuffer[] srcs, int offset, int length, + long timeout, TimeUnit unit, A attachment, + CompletionHandler<Long,B> handler) { + socketChannel.write( + srcs, offset, length, timeout, unit, attachment, handler); + } + + @Override + public void close() { + try { + socketChannel.close(); + } catch (IOException e) { + // Ignore + } + } + + @Override + public Future<Void> handshake() { + return NOOP_FUTURE; + } + + + private static final class NoOpFuture implements Future<Void> { + + @Override + public boolean cancel(boolean mayInterruptIfRunning) { + return false; + } + + @Override + public boolean isCancelled() { + return false; + } + + @Override + public boolean isDone() { + return true; + } + + @Override + public Void get() throws InterruptedException, ExecutionException { + return null; + } + + @Override + public Void get(long timeout, TimeUnit unit) + throws InterruptedException, ExecutionException, + TimeoutException { + return null; + } + } +} |