/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF 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 * * http://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 org.apache.coyote;
/** * @param isSSLEnabled Is this for a connector that is configured to support TLS. Some protocols (e.g. HTTP/2) only * support HTTP upgrade over non-secure connections. * * @return The name that clients will use to request an upgrade to this protocol via an HTTP/1.1 upgrade request or * <code>null</code> if upgrade via an HTTP/1.1 upgrade request is not supported.
*/
String getHttpUpgradeName(boolean isSSLEnabled);
/** * @return The byte sequence as listed in the IANA registry for this protocol or <code>null</code> if upgrade via * ALPN is not supported.
*/ byte[] getAlpnIdentifier();
/** * @return The name of the protocol as listed in the IANA registry if and only if {@link #getAlpnIdentifier()} * returns the UTF-8 encoding of this name. If {@link #getAlpnIdentifier()} returns some other byte * sequence, then this method returns the empty string. If upgrade via ALPN is not supported then * <code>null</code> is returned.
*/ /* * Implementation note: If Tomcat ever supports ALPN for a protocol where the identifier is not the UTF-8 encoding * of the name then some refactoring is going to be required. * * Implementation note: Tomcat assumes that the UTF-8 encoding of this name will not exceed 255 bytes. Tomcat's * behaviour if longer names are used is undefined.
*/
String getAlpnName();
/** * @param socketWrapper The socketWrapper for the connection that requires a processor * @param adapter The Adapter instance that provides access to the standard Engine/Host/Context/Wrapper * processing chain * * @return A processor instance for processing a connection using this protocol.
*/
Processor getProcessor(SocketWrapperBase<?> socketWrapper, Adapter adapter);
/** * @param socketWrapper The socket * @param adapter The Adapter to use to configure the new upgrade handler * @param request A copy (may be incomplete) of the request that triggered the upgrade * * @return An instance of the HTTP upgrade handler for this protocol
*/
InternalHttpUpgradeHandler getInternalUpgradeHandler(SocketWrapperBase<?> socketWrapper, Adapter adapter,
Request request);
/** * Allows the implementation to examine the request and accept or reject it based on what it finds. * * @param request The request that included an upgrade header for this protocol * * @return <code>true</code> if the request is accepted, otherwise <code>false</code>
*/ boolean accept(Request request);
/** * Configure the HTTP/1.1 protocol that this UpgradeProcotol is nested under. Connections passed to this * UpgradeProtocol via HTTP upgrade will have been initially handled by this HTTP/1.1 protocol implementation. * <p> * The default implementation is a NO-OP. * * @param protocol The HTTP/1.1 protocol implementation that will initially handle any connections passed to this * UpgradeProtocol via the HTTP upgrade mechanism
*/ defaultvoid setHttp11Protocol(AbstractHttp11Protocol<?> protocol) { // NO-OP
}
}
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