sshd-core/src/main/java/org/apache/sshd/server/global/NoMoreSessionsHandler.java

/*
 * 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.sshd.server.global;

import org.apache.sshd.common.session.ConnectionService;
import org.apache.sshd.common.session.helpers.AbstractConnectionServiceRequestHandler;
import org.apache.sshd.common.util.buffer.Buffer;

/**
 * Handler for "no-more-sessions@xxx" global request.
 *
 * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
 * @see <A HREF="https://github.com/openssh/openssh-portable/blob/master/PROTOCOL">OpenSSH protocol section 2.2</A>
 */
public class NoMoreSessionsHandler extends AbstractConnectionServiceRequestHandler {
    public static final NoMoreSessionsHandler INSTANCE = new NoMoreSessionsHandler();

    public NoMoreSessionsHandler() {
        super();
    }

    @Override
    public Result process(ConnectionService connectionService, String request, boolean wantReply, Buffer buffer) throws Exception {
        if (request.startsWith("no-more-sessions@")) {
            connectionService.setAllowMoreSessions(false);
            return Result.ReplyFailure;
        } else {
            return super.process(connectionService, request, wantReply, buffer);
        }
    }
}