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authorMax Romanov <max.romanov@nginx.com>2019-09-05 15:27:32 +0300
committerMax Romanov <max.romanov@nginx.com>2019-09-05 15:27:32 +0300
commit2b8cab1e2478547398ad9c2fe68e025c180cac54 (patch)
treed317fcf9ee52f0f8967116f531784ae533b0ae5a /src/java/nginx/unit/websocket/AsyncChannelWrapper.java
parent3e23afb0d205e503f6cc7d852e34d07da9a5b7f7 (diff)
downloadunit-2b8cab1e2478547398ad9c2fe68e025c180cac54.tar.gz
unit-2b8cab1e2478547398ad9c2fe68e025c180cac54.tar.bz2
Java: introducing websocket support.
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+/*
+ * 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.nio.ByteBuffer;
+import java.nio.channels.CompletionHandler;
+import java.util.concurrent.Future;
+import java.util.concurrent.TimeUnit;
+
+import javax.net.ssl.SSLException;
+
+/**
+ * This is a wrapper for a {@link java.nio.channels.AsynchronousSocketChannel}
+ * that limits the methods available thereby simplifying the process of
+ * implementing SSL/TLS support since there are fewer methods to intercept.
+ */
+public interface AsyncChannelWrapper {
+
+ Future<Integer> read(ByteBuffer dst);
+
+ <B,A extends B> void read(ByteBuffer dst, A attachment,
+ CompletionHandler<Integer,B> handler);
+
+ Future<Integer> write(ByteBuffer src);
+
+ <B,A extends B> void write(ByteBuffer[] srcs, int offset, int length,
+ long timeout, TimeUnit unit, A attachment,
+ CompletionHandler<Long,B> handler);
+
+ void close();
+
+ Future<Void> handshake() throws SSLException;
+}