Marek Gradzki 5a5f5aac91 VPP-205: documentation update
Change-Id: I98e5bdbd0472c2973885defe2712b53d9da8a536
Signed-off-by: Marek Gradzki <mgradzki@cisco.com>
2016-08-17 15:20:20 +02:00

77 lines
2.5 KiB
Java

/*
* Copyright (c) 2016 Cisco and/or its affiliates.
*
* Licensed 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.openvpp.jvpp;
import org.openvpp.jvpp.callback.JVppCallback;
/**
* Manages VPP connection and stores plugin callbacks.
*/
public interface JVppRegistry extends AutoCloseable {
/**
* Vpp connection managed by the registry.
*
* @return representation of vpp connection
*/
VppConnection getConnection();
/**
* Registers callback and initializes Java API for given plugin.
*
* @param jvpp plugin name
* @param callback callback provided by the plugin
* @throws NullPointerException if name or callback is null
* @throws IllegalArgumentException if plugin was already registered
*/
void register(final JVpp jvpp, final JVppCallback callback);
/**
* Unregisters callback for the given plugin.
*
* @param name plugin name
* @throws NullPointerException if name is null
* @throws IllegalArgumentException if plugin was not registered
*/
void unregister(final String name);
/**
* Returns callback registered for the plugin.
*
* @param name plugin name
* @return callback provided by the plugin
* @throws NullPointerException if name is null
* @throws IllegalArgumentException if plugin was not registered
*/
JVppCallback get(final String name);
/**
* Sends control ping. Reply handler calls callback registered for give plugin.
*
* Control ping is used for initial RX thread to Java thread attachment
* that takes place in the plugin's JNI lib
* and to wrap dump message replies in one list.
*
* VPP plugins don't have to provide special control ping, therefore
* it is necessary to providing control ping support in JVppRegistry.
* @param clazz identifies plugin that should receive ping callback
* @return unique identifier of message in message queue
*/
int controlPing(final Class<? extends JVpp> clazz) throws VppInvocationException;
}