X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fnetconf%2Fnetconf-util%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fnetconf%2Futil%2Fhandler%2FChunkedFramingMechanismEncoder.java;h=ccc80a7b71248758cc2ce9a3c00225a0dab3fc49;hp=7f710c9f1981fe2feed007aa12cb716075254d23;hb=74e05910ae9f155fe4e0a8ed71686b9425dfbf98;hpb=e6bcd06e610be274e8f2df901b61789bb17c442a diff --git a/opendaylight/netconf/netconf-util/src/main/java/org/opendaylight/controller/netconf/util/handler/ChunkedFramingMechanismEncoder.java b/opendaylight/netconf/netconf-util/src/main/java/org/opendaylight/controller/netconf/util/handler/ChunkedFramingMechanismEncoder.java index 7f710c9f19..ccc80a7b71 100644 --- a/opendaylight/netconf/netconf-util/src/main/java/org/opendaylight/controller/netconf/util/handler/ChunkedFramingMechanismEncoder.java +++ b/opendaylight/netconf/netconf-util/src/main/java/org/opendaylight/controller/netconf/util/handler/ChunkedFramingMechanismEncoder.java @@ -8,40 +8,51 @@ package org.opendaylight.controller.netconf.util.handler; -import org.opendaylight.controller.netconf.util.messages.NetconfMessageFactory; -import org.opendaylight.controller.netconf.util.messages.NetconfMessageHeader; -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; - import io.netty.buffer.ByteBuf; import io.netty.buffer.Unpooled; import io.netty.channel.ChannelHandlerContext; import io.netty.handler.codec.MessageToByteEncoder; +import org.opendaylight.controller.netconf.util.messages.NetconfMessageConstants; +import org.opendaylight.controller.netconf.util.messages.NetconfMessageHeader; + +import com.google.common.base.Preconditions; + public class ChunkedFramingMechanismEncoder extends MessageToByteEncoder { + 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 static Logger logger = LoggerFactory.getLogger(ChunkedFramingMechanismEncoder.class); + private final int chunkSize; - private NetconfMessageHeader messageHeader = new NetconfMessageHeader(); + public ChunkedFramingMechanismEncoder() { + this(DEFAULT_CHUNK_SIZE); + } + + public ChunkedFramingMechanismEncoder(int chunkSize) { + Preconditions.checkArgument(chunkSize > MIN_CHUNK_SIZE); + Preconditions.checkArgument(chunkSize < MAX_CHUNK_SIZE); + this.chunkSize = chunkSize; + } + + public final int getChunkSize() { + return chunkSize; + } @Override protected void encode(ChannelHandlerContext ctx, ByteBuf msg, ByteBuf out) throws Exception { - while (msg.readableBytes() > NetconfMessageFactory.MAX_CHUNK_SIZE) { - ByteBuf chunk = Unpooled.buffer(NetconfMessageFactory.MAX_CHUNK_SIZE); - chunk.writeBytes(createChunkHeader(NetconfMessageFactory.MAX_CHUNK_SIZE)); - chunk.writeBytes(msg.readBytes(NetconfMessageFactory.MAX_CHUNK_SIZE)); + while (msg.readableBytes() > chunkSize) { + ByteBuf chunk = Unpooled.buffer(chunkSize); + chunk.writeBytes(createChunkHeader(chunkSize)); + chunk.writeBytes(msg.readBytes(chunkSize)); ctx.write(chunk); } out.writeBytes(createChunkHeader(msg.readableBytes())); out.writeBytes(msg.readBytes(msg.readableBytes())); - out.writeBytes(NetconfMessageFactory.endOfChunk); - logger.debug("Output message size is {}", out.readableBytes()); + out.writeBytes(NetconfMessageConstants.END_OF_CHUNK); } private ByteBuf createChunkHeader(int chunkSize) { - messageHeader.setLength(chunkSize); - logger.debug("Chunked data length is {}.", chunkSize); - return Unpooled.wrappedBuffer(messageHeader.toBytes()); + return Unpooled.wrappedBuffer(NetconfMessageHeader.toBytes(chunkSize)); } - }