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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2010 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
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*
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* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
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* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
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*/
package org.glassfish.grizzly.http;
import org.glassfish.grizzly.Buffer;
import org.glassfish.grizzly.Connection;
/**
* Monitoring probe providing callbacks that may be invoked by Grizzly Http filters.
*
* @author Alexey Stashok
*
* @since 2.0
*/
public interface HttpProbe {
/**
* Method will be called, when {@link Buffer} will come for processing to
* the {@link HttpCodecFilter} (either request or response).
*
* @param connection {@link Connection}, the event belongs to.
* @param buffer {@link Buffer} to be parsed.
*/
public void onDataReceivedEvent(Connection connection, Buffer buffer);
/**
* Method will be called, when {@link Buffer}, produced by the
* {@link HttpCodecFilter} will be ready to go to the next
* {@link org.glassfish.grizzly.filterchain.Filter} in the chain and finally
* written on wire.
*
* @param connection {@link Connection}, the event belongs to.
* @param buffer serialized {@link Buffer}.
*/
public void onDataSentEvent(Connection connection, Buffer buffer);
/**
* Method will be called, when HTTP message header gets parsed
* (either request or response).
*
* @param connection {@link Connection}, the event belongs to.
* @param header parsed {@link HttpHeader}.
* @param size the size of the parsed header buffer.
*/
public void onHeaderParseEvent(Connection connection, HttpHeader header,
int size);
/**
* Method will be called, when HTTP message header gets serialized
* (either request or response).
*
* @param connection {@link Connection}, the event belongs to.
* @param header serialized {@link HttpHeader}.
* @param buffer the serialized header {@link Buffer}.
*/
public void onHeaderSerializeEvent(Connection connection, HttpHeader header,
Buffer buffer);
/**
* Method will be called, when HTTP message content chunk gets parsed
* (either request or response).
*
* @param connection {@link Connection}, the event belongs to.
* @param content parsed {@link HttpContent}.
*/
public void onContentChunkParseEvent(Connection connection,
HttpContent content);
/**
* Method will be called, when HTTP message content chunk is prepared to be
* serialized (either request or response).
*
* @param connection {@link Connection}, the event belongs to.
* @param content {@link HttpContent} to be serialized.
*/
public void onContentChunkSerializeEvent(Connection connection,
HttpContent content);
/**
* Method will be called, when {@link ContentEncoding} will be applied
* during the parsing/decoding of the certain HTTP message content chunk.
*
* @param connection {@link Connection}, the event belongs to.
* @param header HTTP {@link HttpHeader}, the event belongs to.
* @param buffer {@link Buffer} to be parsed/decoded.
* @param contentEncoding {@link ContentEncoding} to be applied.
*/
public void onContentEncodingParseEvent(Connection connection,
HttpHeader header, Buffer buffer, ContentEncoding contentEncoding);
/**
* Method will be called, when {@link ContentEncoding} will be applied
* during the serialization/encoding of the certain HTTP message content chunk.
*
* @param connection {@link Connection}, the event belongs to.
* @param header HTTP {@link HttpHeader}, the event belongs to.
* @param buffer {@link Buffer} to be serialized/encoded.
* @param contentEncoding {@link ContentEncoding} to be applied.
*/
public void onContentEncodingSerializeEvent(Connection connection,
HttpHeader header, Buffer buffer, ContentEncoding contentEncoding);
/**
* Method will be called, when {@link TransferEncoding} will be applied
* during the parsing/decoding of the certain HTTP message content chunk.
*
* @param connection {@link Connection}, the event belongs to.
* @param header HTTP {@link HttpHeader}, the event belongs to.
* @param buffer {@link Buffer} to be parsed/decoded.
* @param transferEncoding {@link TransferEncoding} to be applied.
*/
public void onTransferEncodingParseEvent(Connection connection,
HttpHeader header, Buffer buffer, TransferEncoding transferEncoding);
/**
* Method will be called, when {@link TransferEncoding} will be applied
* during the serialization/encoding of the certain HTTP message content chunk.
*
* @param connection {@link Connection}, the event belongs to.
* @param header HTTP {@link HttpHeader}, the event belongs to.
* @param buffer {@link Buffer} to be serialized/encoded.
* @param transferEncoding {@link TransferEncoding} to be applied.
*/
public void onTransferEncodingSerializeEvent(Connection connection,
HttpHeader header, Buffer buffer, TransferEncoding transferEncoding);
/**
* Method will be called, when error occurs during the {@link HttpCodecFilter} processing.
*
* @param connection {@link Connection}, the event belongs to.
* @param error error
*/
public void onErrorEvent(Connection connection, Throwable error);
}
