/*
- * Copyright (c) 2015 Ericsson India Global Services Pvt Ltd. and others. All rights reserved.
+ * Copyright (c) 2015 - 2016 Ericsson India Global Services Pvt Ltd. and others. 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,
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.List;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
import org.opendaylight.vpnservice.mdsalutil.ActionInfo;
import org.opendaylight.vpnservice.mdsalutil.ActionType;
import org.opendaylight.vpnservice.mdsalutil.FlowEntity;
import org.opendaylight.vpnservice.mdsalutil.GroupEntity;
import org.opendaylight.vpnservice.mdsalutil.MDSALUtil;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.Match;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowId;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.Table;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketProcessingService;
+import org.opendaylight.yangtools.concepts.ListenerRegistration;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.InstanceIdentifierBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
+import org.opendaylight.vpnservice.mdsalutil.*;
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
+import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
import org.opendaylight.controller.md.sal.common.api.data.OptimisticLockFailedException;
import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
private DataBroker m_dataBroker;
private PacketProcessingService m_packetProcessingService;
+ private ListenerRegistration<DataChangeListener> groupListenerRegistration;
+ private ListenerRegistration<DataChangeListener> flowListenerRegistration;
+ private ConcurrentMap<FlowInfoKey, Runnable> flowMap = new ConcurrentHashMap<FlowInfoKey, Runnable>();
+ private ConcurrentMap<GroupInfoKey, Runnable> groupMap = new ConcurrentHashMap<GroupInfoKey, Runnable> ();
+ private ExecutorService executorService = Executors.newSingleThreadExecutor();
/**
* Writes the flows and Groups to the MD SAL DataStore
public MDSALManager(final DataBroker db, PacketProcessingService pktProcService) {
m_dataBroker = db;
m_packetProcessingService = pktProcService;
+ registerListener(db);
s_logger.info( "MDSAL Manager Initialized ") ;
}
@Override
public void close() throws Exception {
+ groupListenerRegistration.close();
+ flowListenerRegistration.close();
s_logger.info("MDSAL Manager Closed");
}
+ private void registerListener(DataBroker db) {
+ try {
+ flowListenerRegistration = db.registerDataChangeListener(LogicalDatastoreType.OPERATIONAL, getWildCardFlowPath(),
+ new FlowListener(),
+ DataChangeScope.SUBTREE);
+ groupListenerRegistration = db.registerDataChangeListener(LogicalDatastoreType.OPERATIONAL, getWildCardGroupPath(),
+ new GroupListener(),
+ DataChangeScope.SUBTREE);
+ } catch (final Exception e) {
+ s_logger.error("GroupEventHandler: DataChange listener registration fail!", e);
+ throw new IllegalStateException("GroupEventHandler: registration Listener failed.", e);
+ }
+ }
+
+ private InstanceIdentifier<Group> getWildCardGroupPath() {
+ return InstanceIdentifier.create(Nodes.class).child(Node.class).augmentation(FlowCapableNode.class).child(Group.class);
+ }
+
+ private InstanceIdentifier<Flow> getWildCardFlowPath() {
+ return InstanceIdentifier.create(Nodes.class).child(Node.class).augmentation(FlowCapableNode.class).child(Table.class).child(Flow.class);
+ }
+
public void installFlow(FlowEntity flowEntity) {
try {
}
});
} catch (Exception e) {
- s_logger.error("Could not install flow: {}, exception: {}", flowEntity, e);
+ s_logger.error("Could not install flow: {}", flowEntity, e);
}
}
+ public CheckedFuture<Void,TransactionCommitFailedException> installFlow(BigInteger dpId, Flow flow) {
+ FlowKey flowKey = new FlowKey( new FlowId(flow.getId()) );
+ Node nodeDpn = buildDpnNode(dpId);
+ InstanceIdentifier<Flow> flowInstanceId = InstanceIdentifier.builder(Nodes.class)
+ .child(Node.class, nodeDpn.getKey()).augmentation(FlowCapableNode.class)
+ .child(Table.class, new TableKey(flow.getTableId())).child(Flow.class,flowKey).build();
+ WriteTransaction modification = m_dataBroker.newWriteOnlyTransaction();
+ modification.put(LogicalDatastoreType.CONFIGURATION, flowInstanceId, flow, true);
+ return modification.submit();
+ }
+
public void installGroup(GroupEntity groupEntity) {
try {
Group group = groupEntity.getGroupBuilder().build();
}
});
} catch (Exception e) {
- s_logger.error("Could not install Group: {}, exception: {}", groupEntity, e);
+ s_logger.error("Could not install Group: {}", groupEntity, e);
throw e;
}
}
public void removeFlow(FlowEntity flowEntity) {
try {
+ s_logger.debug("Remove flow {}",flowEntity);
Node nodeDpn = buildDpnNode(flowEntity.getDpnId());
FlowKey flowKey = new FlowKey(new FlowId(flowEntity.getFlowId()));
InstanceIdentifier<Flow> flowInstanceId = InstanceIdentifier.builder(Nodes.class)
WriteTransaction modification = m_dataBroker.newWriteOnlyTransaction();
- modification.delete(LogicalDatastoreType.CONFIGURATION,flowInstanceId );
+ modification.delete(LogicalDatastoreType.CONFIGURATION,flowInstanceId);
CheckedFuture<Void,TransactionCommitFailedException> submitFuture = modification.submit();
});
} catch (Exception e) {
- s_logger.error("Could not remove Flow: {}, exception: {}", flowEntity, e);
+ s_logger.error("Could not remove Flow: {}", flowEntity, e);
}
}
+ public CheckedFuture<Void,TransactionCommitFailedException> removeFlowNew(BigInteger dpnId, Flow flowEntity) {
+ s_logger.debug("Remove flow {}",flowEntity);
+ Node nodeDpn = buildDpnNode(dpnId);
+ //FlowKey flowKey = new FlowKey(new FlowId(flowEntity.getId()));
+ FlowKey flowKey = new FlowKey(flowEntity.getId());
+ InstanceIdentifier<Flow> flowInstanceId = InstanceIdentifier.builder(Nodes.class)
+ .child(Node.class, nodeDpn.getKey()).augmentation(FlowCapableNode.class)
+ .child(Table.class, new TableKey(flowEntity.getTableId())).child(Flow.class, flowKey).build();
+ WriteTransaction modification = m_dataBroker.newWriteOnlyTransaction();
+ modification.delete(LogicalDatastoreType.CONFIGURATION,flowInstanceId );
+ return modification.submit();
+ }
+
public void removeGroup(GroupEntity groupEntity) {
try {
Node nodeDpn = buildDpnNode(groupEntity.getDpnId());
}
});
} catch (Exception e) {
- s_logger.error("Could not remove Group: {}, exception: {}", groupEntity, e);
+ s_logger.error("Could not remove Group: {}", groupEntity, e);
}
}
installGroup(groupEntity);
}
- public void sendPacketOut(long lDpnId, int groupId, byte[] payload) {
+ public void sendPacketOut(BigInteger dpnId, int groupId, byte[] payload) {
List<ActionInfo> actionInfos = new ArrayList<ActionInfo>();
actionInfos.add(new ActionInfo(ActionType.group, new String[] { String.valueOf(groupId) }));
- sendPacketOutWithActions(lDpnId, groupId, payload, actionInfos);
+ sendPacketOutWithActions(dpnId, groupId, payload, actionInfos);
}
- public void sendPacketOutWithActions(long lDpnId, long groupId, byte[] payload, List<ActionInfo> actionInfos) {
+ public void sendPacketOutWithActions(BigInteger dpnId, long groupId, byte[] payload, List<ActionInfo> actionInfos) {
- m_packetProcessingService.transmitPacket(MDSALUtil.getPacketOut(actionInfos, payload, lDpnId,
- getNodeConnRef("openflow:" + lDpnId, "0xfffffffd")));
+ m_packetProcessingService.transmitPacket(MDSALUtil.getPacketOut(actionInfos, payload, dpnId,
+ getNodeConnRef("openflow:" + dpnId, "0xfffffffd")));
}
- public void sendARPPacketOutWithActions(long lDpnId, byte[] payload, List<ActionInfo> actions) {
- m_packetProcessingService.transmitPacket(MDSALUtil.getPacketOut(actions, payload, lDpnId,
- getNodeConnRef("openflow:" + lDpnId, "0xfffffffd")));
+ public void sendARPPacketOutWithActions(BigInteger dpnId, byte[] payload, List<ActionInfo> actions) {
+ m_packetProcessingService.transmitPacket(MDSALUtil.getPacketOut(actions, payload, dpnId,
+ getNodeConnRef("openflow:" + dpnId, "0xfffffffd")));
}
public InstanceIdentifier<Node> nodeToInstanceId(Node node) {
return _nodeConnectorRef;
}
- private Node buildDpnNode(long lDpnId) {
- NodeId nodeId = new NodeId("openflow:" + lDpnId);
+ private Node buildDpnNode(BigInteger dpnId) {
+ NodeId nodeId = new NodeId("openflow:" + dpnId);
Node nodeDpn = new NodeBuilder().setId(nodeId).setKey(new NodeKey(nodeId)).build();
return nodeDpn;
}
+ public void syncSetUpFlow(FlowEntity flowEntity, long delay, boolean isRemove) {
+ s_logger.trace("syncSetUpFlow for flowEntity {} ", flowEntity);
+ if (flowEntity.getCookie() == null) {
+ flowEntity.setCookie(new BigInteger("0110000", 16));
+ }
+ Flow flow = flowEntity.getFlowBuilder().build();
+ String flowId = flowEntity.getFlowId();
+ BigInteger dpId = flowEntity.getDpnId();
+ short tableId = flowEntity.getTableId();
+ Match matches = flow.getMatch();
+ FlowKey flowKey = new FlowKey( new FlowId(flowId));
+ Node nodeDpn = buildDpnNode(dpId);
+ InstanceIdentifier<Flow> flowInstanceId = InstanceIdentifier.builder(Nodes.class)
+ .child(Node.class, nodeDpn.getKey()).augmentation(FlowCapableNode.class)
+ .child(Table.class, new TableKey(flow.getTableId())).child(Flow.class, flowKey).build();
+ Runnable notifyTask = new NotifyTask();
+ FlowInfoKey flowInfoKey = new FlowInfoKey(dpId, tableId, matches, flowId);
+ synchronized (flowInfoKey.toString().intern()) {
+ flowMap.put(flowInfoKey, notifyTask);
+ if (isRemove) {
+ MDSALUtil.syncDelete(m_dataBroker, LogicalDatastoreType.CONFIGURATION, flowInstanceId);
+ } else {
+ MDSALUtil.syncWrite(m_dataBroker, LogicalDatastoreType.CONFIGURATION, flowInstanceId, flow);
+ }
+ synchronized (notifyTask) {
+ try {
+ notifyTask.wait(delay);
+ } catch (InterruptedException e){}
+ }
+ }
+ }
+
+ public void syncSetUpGroup(GroupEntity groupEntity, long delayTime, boolean isRemove) {
+ s_logger.trace("syncSetUpGroup for groupEntity {} ", groupEntity);
+ Group group = groupEntity.getGroupBuilder().build();
+ BigInteger dpId = groupEntity.getDpnId();
+ Node nodeDpn = buildDpnNode(dpId);
+ long groupId = groupEntity.getGroupId();
+ GroupKey groupKey = new GroupKey(new GroupId(groupId));
+ InstanceIdentifier<Group> groupInstanceId = InstanceIdentifier.builder(Nodes.class)
+ .child(Node.class, nodeDpn.getKey()).augmentation(FlowCapableNode.class)
+ .child(Group.class, groupKey).build();
+ Runnable notifyTask = new NotifyTask();
+ GroupInfoKey groupInfoKey = new GroupInfoKey(dpId, groupId);
+ synchronized (groupInfoKey.toString().intern()) {
+ s_logger.trace("syncsetupGroupKey groupKey {}", groupInfoKey);
+ groupMap.put(groupInfoKey, notifyTask);
+ if (isRemove) {
+ MDSALUtil.syncDelete(m_dataBroker, LogicalDatastoreType.CONFIGURATION, groupInstanceId);
+ } else {
+ MDSALUtil.syncWrite(m_dataBroker, LogicalDatastoreType.CONFIGURATION, groupInstanceId, group);
+ }
+ synchronized (notifyTask) {
+ try {
+ notifyTask.wait(delayTime);
+ } catch (InterruptedException e){}
+ }
+ }
+ }
+
+ public void syncSetUpGroup(BigInteger dpId, Group group, long delayTime, boolean isRemove) {
+ s_logger.trace("syncSetUpGroup for group {} ", group);
+ Node nodeDpn = buildDpnNode(dpId);
+ long groupId = group.getGroupId().getValue();
+ GroupKey groupKey = new GroupKey(new GroupId(groupId));
+ InstanceIdentifier<Group> groupInstanceId = InstanceIdentifier.builder(Nodes.class)
+ .child(Node.class, nodeDpn.getKey()).augmentation(FlowCapableNode.class)
+ .child(Group.class, groupKey).build();
+ Runnable notifyTask = new NotifyTask();
+ GroupInfoKey groupInfoKey = new GroupInfoKey(dpId, groupId);
+ synchronized (groupInfoKey.toString().intern()) {
+ s_logger.trace("syncsetupGroupKey groupKey {}", groupInfoKey);
+ groupMap.put(groupInfoKey, notifyTask);
+ if (isRemove) {
+ MDSALUtil.syncDelete(m_dataBroker, LogicalDatastoreType.CONFIGURATION, groupInstanceId);
+ } else {
+ MDSALUtil.syncWrite(m_dataBroker, LogicalDatastoreType.CONFIGURATION, groupInstanceId, group);
+ }
+ synchronized (notifyTask) {
+ try {
+ notifyTask.wait(delayTime);
+ } catch (InterruptedException e){}
+ }
+ }
+ }
+
+ class GroupListener extends AbstractDataChangeListener<Group> {
+
+ public GroupListener() {
+ super(Group.class);
+ }
+
+ @Override
+ protected void remove(InstanceIdentifier<Group> identifier, Group del) {
+ BigInteger dpId = getDpnFromString(identifier.firstKeyOf(Node.class, NodeKey.class).getId().getValue());
+ executeNotifyTaskIfRequired(dpId, del);
+ }
+
+ private void executeNotifyTaskIfRequired(BigInteger dpId, Group group) {
+ GroupInfoKey groupKey = new GroupInfoKey(dpId, group.getGroupId().getValue());
+ Runnable notifyTask = groupMap.remove(groupKey);
+ if (notifyTask == null) {
+ return;
+ }
+ executorService.execute(notifyTask);
+ }
+
+ @Override
+ protected void update(InstanceIdentifier<Group> identifier, Group original, Group update) {
+ BigInteger dpId = getDpnFromString(identifier.firstKeyOf(Node.class, NodeKey.class).getId().getValue());
+ executeNotifyTaskIfRequired(dpId, update);
+ }
+
+ @Override
+ protected void add(InstanceIdentifier<Group> identifier, Group add) {
+ BigInteger dpId = getDpnFromString(identifier.firstKeyOf(Node.class, NodeKey.class).getId().getValue());
+ executeNotifyTaskIfRequired(dpId, add);
+ }
+ }
+
+ class FlowListener extends AbstractDataChangeListener<Flow> {
+
+ public FlowListener() {
+ super(Flow.class);
+ }
+
+ @Override
+ protected void remove(InstanceIdentifier<Flow> identifier, Flow del) {
+ BigInteger dpId = getDpnFromString(identifier.firstKeyOf(Node.class, NodeKey.class).getId().getValue());
+ notifyTaskIfRequired(dpId, del);
+ }
+
+ private void notifyTaskIfRequired(BigInteger dpId, Flow flow) {
+ FlowInfoKey flowKey = new FlowInfoKey(dpId, flow.getTableId(), flow.getMatch(), flow.getId().getValue());
+ Runnable notifyTask = flowMap.remove(flowKey);
+ if (notifyTask == null) {
+ return;
+ }
+ executorService.execute(notifyTask);
+ }
+
+ @Override
+ protected void update(InstanceIdentifier<Flow> identifier, Flow original, Flow update) {
+ }
+
+ @Override
+ protected void add(InstanceIdentifier<Flow> identifier, Flow add) {
+ BigInteger dpId = getDpnFromString(identifier.firstKeyOf(Node.class, NodeKey.class).getId().getValue());
+ notifyTaskIfRequired(dpId, add);
+ }
+ }
+
+ private BigInteger getDpnFromString(String dpnString) {
+ String[] split = dpnString.split(":");
+ return new BigInteger(split[1]);
+ }
+
}