package org.apache.cassandra.net;


/*
 *
 * 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.
 *
 */

import java.util.Map;

/**
 * MBean exposing MessagingService metrics.
 * - OutboundConnectionPools - Command/Response - Pending/Completed Tasks
 */
public interface MessagingServiceMBean
{
    /**
     * Pending tasks for Command(Mutations, Read etc) TCP Connections
     */
    public Map<String, Integer> getCommandPendingTasks();

    /**
     * Completed tasks for Command(Mutations, Read etc) TCP Connections
     */
    public Map<String, Long> getCommandCompletedTasks();

    /**
     * Pending tasks for Response(GOSSIP & RESPONSE) TCP Connections
     */
    public Map<String, Integer> getResponsePendingTasks();

    /**
     * Completed tasks for Response(GOSSIP & RESPONSE) TCP Connections
     */
    public Map<String, Long> getResponseCompletedTasks();

    /**
     * dropped message counts for server lifetime
     */
    public Map<String, Integer> getDroppedMessages();

    /**
     * dropped message counts since last called
     */
    public Map<String, Integer> getRecentlyDroppedMessages();

    /**
     * Total number of timeouts happened on this node
     */
    public long getTotalTimeouts();

    /**
     * Number of timeouts per host
     */
    public Map<String, Long> getTimeoutsPerHost();

    /**
     * Number of timeouts since last check.
     */
    public long getRecentTotalTimouts();

    /**
     * Number of timeouts since last check per host.
     */
    public Map<String, Long> getRecentTimeoutsPerHost();
}
