Java tutorial
/* * Copyright (c) 2015 Cisco Systems, Inc. All rights reserved. * * This program and the accompanying materials are made available under the * terms of the Eclipse Public License v1.0 which accompanies this distribution, * and is available at http://www.eclipse.org/legal/epl-v10.html */ package org.opendaylight.lispflowmapping.southbound; import java.nio.ByteBuffer; import java.util.ArrayList; import java.util.List; import java.util.concurrent.Future; import org.opendaylight.lispflowmapping.lisp.serializer.MapNotifySerializer; import org.opendaylight.lispflowmapping.lisp.serializer.MapRegisterSerializer; import org.opendaylight.lispflowmapping.lisp.serializer.MapReplySerializer; import org.opendaylight.lispflowmapping.lisp.serializer.MapRequestSerializer; import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.MessageType; import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.sb.rev150904.GetStatsOutput; import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.sb.rev150904.GetStatsOutputBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.sb.rev150904.OdlLispSbService; import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.sb.rev150904.SendMapNotifyInput; import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.sb.rev150904.SendMapRegisterInput; import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.sb.rev150904.SendMapReplyInput; import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.sb.rev150904.SendMapRequestInput; import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.sb.rev150904.ctrl.msg.stats.ControlMessage; import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.sb.rev150904.ctrl.msg.stats.ControlMessageBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.sb.rev150904.get.stats.output.ControlMessageStatsBuilder; import org.opendaylight.yangtools.yang.common.RpcError; import org.opendaylight.yangtools.yang.common.RpcResult; import org.opendaylight.yangtools.yang.common.RpcResultBuilder; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.google.common.util.concurrent.Futures; /** * This class holds all RPCs methods for LispSouthbound Plugin. * * <p> * @author Florin Coras (fcoras@cisco.com) * @author Lorand Jakab (lojakab@cisco.com) */ public class LispSouthboundRPC implements OdlLispSbService { protected static final Logger LOG = LoggerFactory.getLogger(LispSouthboundRPC.class); private final LispSouthboundPlugin lispSbPlugin; public LispSouthboundRPC(LispSouthboundPlugin lispSbPlugin) { this.lispSbPlugin = lispSbPlugin; } @Override public Future<RpcResult<Void>> sendMapNotify(SendMapNotifyInput mapNotifyInput) { LOG.trace("sendMapNotify called!!"); if (mapNotifyInput != null) { ByteBuffer outBuffer = MapNotifySerializer.getInstance().serialize(mapNotifyInput.getMapNotify()); lispSbPlugin.handleSerializedLispBuffer(mapNotifyInput.getTransportAddress(), outBuffer, MessageType.MapNotify); } else { LOG.warn("MapNotify was null"); return Futures.immediateFuture(RpcResultBuilder.<Void>failed().build()); } return Futures.immediateFuture(RpcResultBuilder.<Void>success().build()); } @Override public Future<RpcResult<Void>> sendMapReply(SendMapReplyInput mapReplyInput) { LOG.trace("sendMapReply called!!"); if (mapReplyInput != null) { ByteBuffer outBuffer = MapReplySerializer.getInstance().serialize(mapReplyInput.getMapReply()); lispSbPlugin.handleSerializedLispBuffer(mapReplyInput.getTransportAddress(), outBuffer, MessageType.MapReply); } else { LOG.warn("MapReply was null"); return Futures.immediateFuture(RpcResultBuilder.<Void>failed().build()); } return Futures.immediateFuture(RpcResultBuilder.<Void>success().build()); } @Override public Future<RpcResult<Void>> sendMapRequest(SendMapRequestInput mapRequestInput) { LOG.trace("sendMapRequest called!!"); if (mapRequestInput != null) { ByteBuffer outBuffer = MapRequestSerializer.getInstance().serialize(mapRequestInput.getMapRequest()); lispSbPlugin.handleSerializedLispBuffer(mapRequestInput.getTransportAddress(), outBuffer, MessageType.MapRequest); } else { LOG.debug("MapRequest was null"); return Futures.immediateFuture(RpcResultBuilder.<Void>failed().build()); } return Futures.immediateFuture(RpcResultBuilder.<Void>success().build()); } @Override public Future<RpcResult<Void>> sendMapRegister(SendMapRegisterInput mapRegisterInput) { LOG.trace("sendMapRegister called!!"); if (mapRegisterInput != null) { ByteBuffer outBuffer = MapRegisterSerializer.getInstance().serialize(mapRegisterInput.getMapRegister()); lispSbPlugin.handleSerializedLispBuffer(mapRegisterInput.getTransportAddress(), outBuffer, MessageType.MapRegister); } else { LOG.debug("MapRegister was null"); return Futures.immediateFuture(RpcResultBuilder.<Void>failed().build()); } return Futures.immediateFuture(RpcResultBuilder.<Void>success().build()); } @Override public Future<RpcResult<GetStatsOutput>> getStats() { LOG.trace("getStats called!!"); RpcResultBuilder<GetStatsOutput> rpcResultBuilder; LispSouthboundStats stats = lispSbPlugin.getStats(); if (stats == null) { rpcResultBuilder = RpcResultBuilder.<GetStatsOutput>failed().withError(RpcError.ErrorType.APPLICATION, "data-missing", "No stats found"); } else { rpcResultBuilder = RpcResultBuilder.success(createGetStatsOutput(stats)); } return Futures.immediateFuture(rpcResultBuilder.build()); } @Override public Future<RpcResult<Void>> resetStats() { LOG.trace("resetStats called!!"); LispSouthboundStats stats = lispSbPlugin.getStats(); if (stats == null) { return Futures.immediateFuture(RpcResultBuilder.<Void>failed() .withError(RpcError.ErrorType.APPLICATION, "data-missing", "No stats found").build()); } else { stats.resetStats(); return Futures.immediateFuture(RpcResultBuilder.<Void>success().build()); } } private static GetStatsOutput createGetStatsOutput(LispSouthboundStats stats) { long rxStats[] = stats.getRx(); long txStats[] = stats.getTx(); ControlMessageStatsBuilder cmsb = new ControlMessageStatsBuilder(); cmsb.setRxUnknown(stats.getRxUnknown()); cmsb.setTxErrors(stats.getTxErrors()); List<ControlMessage> messages = new ArrayList<ControlMessage>(); for (int i = 0; i <= LispSouthboundStats.MAX_LISP_TYPES; i++) { if (MessageType.forValue(i) == null) { continue; } ControlMessageBuilder cmb = new ControlMessageBuilder(); cmb.setMsgType(MessageType.forValue(i)); cmb.setRxCount(rxStats[i]); cmb.setTxCount(txStats[i]); messages.add(cmb.build()); } cmsb.setControlMessage(messages); return new GetStatsOutputBuilder().setControlMessageStats(cmsb.build()).build(); } }