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Slice the buffer if possible to reduce memory copies when reading the content. See #412

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This commit is contained in:
Norman Maurer 2012-06-28 09:24:32 +02:00
parent 215180511d
commit 83148869aa
1 changed files with 18 additions and 3 deletions
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21
src/main/java/org/jboss/netty/handler/codec/http/HttpMessageDecoder.java
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@ -447,19 +447,34 @@ public abstract class HttpMessageDecoder extends ReplayingDecoder<HttpMessageDec
if (length < contentRead) {
if (!message.isChunked()) {
message.setChunked(true);
return new Object[] {message, new DefaultHttpChunk(buffer.readBytes(toRead))};
return new Object[] {message, new DefaultHttpChunk(read(buffer, toRead))};
} else {
return new DefaultHttpChunk(buffer.readBytes(toRead));
return new DefaultHttpChunk(read(buffer, toRead));
}
}
if (content == null) {
content = buffer.readBytes((int) length);
content = read(buffer, (int) length);
} else {
content.writeBytes(buffer.readBytes((int) length));
}
return reset();
}
/**
* Try todo an optimized "read" of len from the given {@link ChannelBuffer}.
*
* This is part of #412 to safe byte copies
*
*/
private ChannelBuffer read(ChannelBuffer buffer, int len) {
ChannelBuffer internal = internalBuffer();
if (internal.readableBytes() >= len) {
return internal.slice(internal.readerIndex(), len);
} else {
return buffer.readBytes(len);
}
}
private State readHeaders(ChannelBuffer buffer) throws TooLongFrameException {
headerSize = 0;
final HttpMessage message = this.message;