+++ /dev/null
-/*
- * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-
-package org.opendaylight.netconf.nettyutil.handler;
-
-import com.google.common.base.Preconditions;
-import io.netty.buffer.ByteBuf;
-import io.netty.channel.ChannelHandlerContext;
-import io.netty.handler.codec.MessageToByteEncoder;
-import java.nio.charset.StandardCharsets;
-import org.opendaylight.netconf.util.messages.NetconfMessageConstants;
-
-public class ChunkedFramingMechanismEncoder extends MessageToByteEncoder<ByteBuf> {
- public static final int DEFAULT_CHUNK_SIZE = 8192;
- public static final int MIN_CHUNK_SIZE = 128;
- public static final int MAX_CHUNK_SIZE = 16 * 1024 * 1024;
-
- private final int chunkSize;
-
- public ChunkedFramingMechanismEncoder() {
- this(DEFAULT_CHUNK_SIZE);
- }
-
- public ChunkedFramingMechanismEncoder(final int chunkSize) {
- Preconditions.checkArgument(chunkSize >= MIN_CHUNK_SIZE && chunkSize <= MAX_CHUNK_SIZE,
- "Unsupported chunk size %s", chunkSize);
- this.chunkSize = chunkSize;
- }
-
- public final int getChunkSize() {
- return chunkSize;
- }
-
- @Override
- protected void encode(final ChannelHandlerContext ctx, final ByteBuf msg, final ByteBuf out) {
- do {
- final int xfer = Math.min(chunkSize, msg.readableBytes());
-
- out.writeBytes(NetconfMessageConstants.START_OF_CHUNK);
- out.writeBytes(String.valueOf(xfer).getBytes(StandardCharsets.US_ASCII));
- out.writeByte('\n');
-
- out.writeBytes(msg, xfer);
- } while (msg.isReadable());
-
- out.writeBytes(NetconfMessageConstants.END_OF_CHUNK);
- }
-}