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[#539] Potential direct memory leak in HttpContentEn/Decoder

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This commit is contained in:
Trustin Lee 2012-08-20 13:38:14 +09:00
parent df0aee22cb
commit ec2b29f0b6
2 changed files with 41 additions and 8 deletions
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24
codec-http/src/main/java/io/netty/handler/codec/http/HttpContentDecoder.java
View File

@ -63,10 +63,7 @@ public abstract class HttpContentDecoder extends MessageToMessageDecoder<Object,
} else if (msg instanceof HttpMessage) {
HttpMessage m = (HttpMessage) msg;
if (decoder != null) {
// Clean-up the previous decoder if not cleaned up correctly.
finishDecode(Unpooled.buffer());
}
cleanup();
// Determine the content encoding.
String contentEncoding = m.getHeader(HttpHeaders.Names.CONTENT_ENCODING);
@ -155,6 +152,25 @@ public abstract class HttpContentDecoder extends MessageToMessageDecoder<Object,
return HttpHeaders.Values.IDENTITY;
}
@Override
public void afterRemove(ChannelHandlerContext ctx) throws Exception {
cleanup();
super.afterRemove(ctx);
}
@Override
public void channelInactive(ChannelHandlerContext ctx) throws Exception {
cleanup();
super.channelInactive(ctx);
}
private void cleanup() {
if (decoder != null) {
// Clean-up the previous decoder if not cleaned up correctly.
finishDecode(Unpooled.buffer());
}
}
private void decode(ByteBuf in, ByteBuf out) {
decoder.writeInbound(in);
fetchDecoderOutput(out);

25
codec-http/src/main/java/io/netty/handler/codec/http/HttpContentEncoder.java
View File

@ -88,10 +88,7 @@ public abstract class HttpContentEncoder extends MessageToMessageCodec<HttpMessa
} else if (msg instanceof HttpMessage) {
HttpMessage m = (HttpMessage) msg;
if (encoder != null) {
// Clean-up the previous encoder if not cleaned up correctly.
finishEncode(Unpooled.buffer());
}
cleanup();
// Determine the content encoding.
String acceptEncoding = acceptEncodingQueue.poll();
@ -179,6 +176,26 @@ public abstract class HttpContentEncoder extends MessageToMessageCodec<HttpMessa
*/
protected abstract Result beginEncode(HttpMessage msg, String acceptEncoding) throws Exception;
@Override
public void afterRemove(ChannelHandlerContext ctx) throws Exception {
cleanup();
super.afterRemove(ctx);
}
@Override
public void channelInactive(ChannelHandlerContext ctx) throws Exception {
cleanup();
super.channelInactive(ctx);
}
private void cleanup() {
if (encoder != null) {
// Clean-up the previous encoder if not cleaned up correctly.
finishEncode(Unpooled.buffer());
}
}
private void encode(ByteBuf in, ByteBuf out) {
encoder.writeOutbound(in);
fetchEncoderOutput(out);