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/*
* Copyright (c) 2017 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 io.fd.hc2vpp.mpls;
import io.fd.hc2vpp.common.translate.util.ByteDataTranslator;
import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
import io.fd.honeycomb.translate.MappingContext;
import io.fd.honeycomb.translate.write.WriteFailedException;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310.routing.mpls._static.lsps.StaticLsp;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
/**
* Translates MPLS operations to VPP API calls.
*/
interface LspWriter extends ByteDataTranslator, JvppReplyConsumer {
/**
* Maximum number of MPLS labels supported by VPP.
*
* @see <a href="https://git.fd.io/vpp/tree/src/vnet/ip/ip.api">ip_add_del_route</a> definition
* @see <a href="https://git.fd.io/vpp/tree/src/vnet/mpls/mpls.api">mpls_route_add_del</a> definition
*/
int MAX_LABELS = 255;
/**
* Constant used by VPP to disable optional parameters of mpls label type.
*/
int MPLS_LABEL_INVALID = 0x100000;
/**
* Translates {@link StaticLsp} to jVpp requests and writes the configuration to VPP.
*
* @param id identifier of data being written
* @param data lsp to be written
* @param ctx persisted storage where mapping matadata are stored
* @param isAdd determines if the write is create or delete operation
* @throws WriteFailedException if write was unsuccessful
*/
void write(@Nonnull final InstanceIdentifier<StaticLsp> id, @Nonnull final StaticLsp data,
@Nonnull final MappingContext ctx, final boolean isAdd) throws WriteFailedException;
}
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