65686b6c83
Motivation: Currently we do more memory copies then needed. Modification: - Directly use heap buffers to reduce memory copy - Correctly release buffers to fix buffer leak Result: Less memory copies and no leaks
45 lines
1.9 KiB
Java
45 lines
1.9 KiB
Java
/*
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* Copyright 2014 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.handler.codec.spdy;
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import io.netty.buffer.ByteBuf;
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import io.netty.buffer.ByteBufAllocator;
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abstract class SpdyHeaderBlockDecoder {
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static SpdyHeaderBlockDecoder newInstance(SpdyVersion spdyVersion, int maxHeaderSize) {
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return new SpdyHeaderBlockZlibDecoder(spdyVersion, maxHeaderSize);
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}
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/**
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* Decodes a SPDY Header Block, adding the Name/Value pairs to the given Headers frame.
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* If the header block is malformed, the Headers frame will be marked as invalid.
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* A stream error with status code PROTOCOL_ERROR must be issued in response to an invalid frame.
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*
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* @param alloc the {@link ByteBufAllocator} which can be used to allocate new {@link ByteBuf}s
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* @param headerBlock the HeaderBlock to decode
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* @param frame the Headers frame that receives the Name/Value pairs
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* @throws Exception If the header block is malformed in a way that prevents any future
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* decoding of any other header blocks, an exception will be thrown.
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* A session error with status code PROTOCOL_ERROR must be issued.
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*/
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abstract void decode(ByteBufAllocator alloc, ByteBuf headerBlock, SpdyHeadersFrame frame) throws Exception;
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abstract void endHeaderBlock(SpdyHeadersFrame frame) throws Exception;
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abstract void end();
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}
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