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/*
* 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.http11.upgrade;
import jakarta.servlet.http.HttpUpgradeHandler;
import org.apache.tomcat.util.net.AbstractEndpoint.Handler.SocketState;
import org.apache.tomcat.util.net.SSLSupport;
import org.apache.tomcat.util.net.SocketEvent;
import org.apache.tomcat.util.net.SocketWrapperBase;
/**
* This Tomcat specific interface is implemented by handlers that require direct access to Tomcat's I/O layer rather
* than going through the Servlet API.
*/
public interface InternalHttpUpgradeHandler extends HttpUpgradeHandler {
/**
* Process the specified event.
*
* @param status the event
*
* @return the status following the event
*/
SocketState upgradeDispatch(SocketEvent status);
/**
* Check for a possible timeout.
*
* @param now the time to use for the timeout check
*/
void timeoutAsync(long now);
/**
* Associate with the specified socket.
*
* @param wrapper the socket
*/
void setSocketWrapper(SocketWrapperBase<?> wrapper);
/**
* Associate with the specified SSL support.
*
* @param sslSupport the SSL support
*/
void setSslSupport(SSLSupport sslSupport);
/**
* Pause processing for the connection.
*/
void pause();
/**
* @return {@code true} if able to process asynchronous IO, default is {@code false}
*/
default boolean hasAsyncIO() {
return false;
}
/**
* @return the associated upgrade information used to collect statistics for the connection
*/
default UpgradeInfo getUpgradeInfo() {
return null;
}
}
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