Http3HeadersSink.java — netty Source File

Source Code

/*
 * Copyright 2020 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.http3;

import io.netty.handler.codec.http.HttpHeaderNames;
import io.netty.handler.codec.http.HttpMethod;

import java.util.function.BiConsumer;

import static io.netty.handler.codec.http3.Http3Headers.PseudoHeaderName.AUTHORITY;
import static io.netty.handler.codec.http3.Http3Headers.PseudoHeaderName.METHOD;
import static io.netty.handler.codec.http3.Http3Headers.PseudoHeaderName.PATH;
import static io.netty.handler.codec.http3.Http3Headers.PseudoHeaderName.PROTOCOL;
import static io.netty.handler.codec.http3.Http3Headers.PseudoHeaderName.SCHEME;
import static io.netty.handler.codec.http3.Http3Headers.PseudoHeaderName.STATUS;
import static io.netty.handler.codec.http3.Http3Headers.PseudoHeaderName.getPseudoHeader;
import static io.netty.handler.codec.http3.Http3Headers.PseudoHeaderName.hasPseudoHeaderFormat;

/**
 * {@link BiConsumer} that does add header names and values to
 * {@link Http3Headers} while also validate these.
 */
final class Http3HeadersSink implements BiConsumer<CharSequence, CharSequence> {
    private final Http3Headers headers;
    private final long maxHeaderListSize;
    private final boolean validate;
    private final boolean trailer;
    private long headersLength;
    private boolean exceededMaxLength;
    private Http3HeadersValidationException validationException;
    private HeaderType previousType;
    private boolean request;
    private int receivedPseudoHeaders;

    Http3HeadersSink(Http3Headers headers, long maxHeaderListSize, boolean validate, boolean trailer) {
        this.headers = headers;
        this.maxHeaderListSize = maxHeaderListSize;
        this.validate = validate;
        this.trailer = trailer;
    }

    /**
     * This method must be called after the sink is used.
     */
    void finish() throws Http3HeadersValidationException, Http3Exception {
        if (exceededMaxLength) {
            throw new Http3Exception(Http3ErrorCode.H3_EXCESSIVE_LOAD,
// ... (146 more lines)