RtspDecoder.java — netty Source File

Source Code

/*
 * Copyright 2015 The Netty Project
 *
 * The Netty Project licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */
package io.netty.handler.codec.rtsp;

import java.util.regex.Pattern;

import io.netty.buffer.Unpooled;
import io.netty.handler.codec.http.DefaultFullHttpRequest;
import io.netty.handler.codec.http.DefaultFullHttpResponse;
import io.netty.handler.codec.http.DefaultHttpRequest;
import io.netty.handler.codec.http.DefaultHttpResponse;
import io.netty.handler.codec.http.HttpDecoderConfig;
import io.netty.handler.codec.http.HttpMessage;
import io.netty.handler.codec.http.HttpObjectDecoder;
import io.netty.handler.codec.http.HttpResponseStatus;

/**
 * Decodes {@link io.netty.buffer.ByteBuf}s into RTSP messages represented in
 * {@link HttpMessage}s.
 * <p>
 * <h3>Parameters that prevents excessive memory consumption</h3>
 * <table border="1">
 * <tr>
 * <th>Name</th><th>Meaning</th>
 * </tr>
 * <tr>
 * <td>{@code maxInitialLineLength}</td>
 * <td>The maximum length of the initial line
 *     (e.g. {@code "SETUP / RTSP/1.0"} or {@code "RTSP/1.0 200 OK"})
 *     If the length of the initial line exceeds this value, a
 *     {@link io.netty.handler.codec.TooLongFrameException} will be raised.</td>
 * </tr>
 * <tr>
 * <td>{@code maxHeaderSize}</td>
 * <td>The maximum length of all headers. If the sum of the length of each
 *     header exceeds this value, a {@link io.netty.handler.codec.TooLongFrameException} will be
 *     raised.</td>
 * </tr>
 * <tr>
 * <td>{@code maxContentLength}</td>
 * <td>The maximum length of the content.  If the content length exceeds this
 *     value, a {@link io.netty.handler.codec.TooLongFrameException} will be raised.</td>
 * </tr>
 * </table>
 */
public class RtspDecoder extends HttpObjectDecoder {
    /**
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