Moved Tunnel subsystem to ONOS core incubator area.
Change-Id: I03f90b068013fbf0490af5277b33459ccc0514ec
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/DefaultOpticalTunnelEndPoint.java b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/DefaultOpticalTunnelEndPoint.java
new file mode 100644
index 0000000..c6e4119
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/DefaultOpticalTunnelEndPoint.java
@@ -0,0 +1,133 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.onosproject.incubator.net.tunnel;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+import static com.google.common.base.MoreObjects.toStringHelper;
+
+import java.util.Objects;
+import java.util.Optional;
+
+import org.onosproject.net.AbstractModel;
+import org.onosproject.net.Annotations;
+import org.onosproject.net.ElementId;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.provider.ProviderId;
+
+/**
+ * Default optical tunnel point model implementation.
+ */
+public class DefaultOpticalTunnelEndPoint extends AbstractModel implements OpticalTunnelEndPoint {
+ private final Optional<ElementId> elementId;
+ private final Optional<PortNumber> portNumber;
+ private final Optional<OpticalTunnelEndPoint> parentPoint;
+ private final Type type;
+ private final OpticalLogicId id;
+ private final boolean isGlobal;
+
+ /**
+ * Creates a optical tunnel point attributed to the specified provider (may be null).
+ * if provider is null, which means the optical tunnel point is not managed by the SB.
+ *
+ * @param providerId tunnelProvider Id
+ * @param elementId parent network element
+ * @param number port number
+ * @param parentPoint parent port or parent label
+ * @param type port type
+ * @param id LabelId
+ * @param isGlobal indicator whether the label is global significant or not
+ * @param annotations optional key/value annotations
+ */
+ public DefaultOpticalTunnelEndPoint(ProviderId providerId, Optional<ElementId> elementId,
+ Optional<PortNumber> number, Optional<OpticalTunnelEndPoint> parentPoint,
+ Type type, OpticalLogicId id, boolean isGlobal, Annotations... annotations) {
+ super(providerId, annotations);
+ checkNotNull(type, "type cannot be null");
+ checkNotNull(id, "id cannot be null");
+ checkNotNull(isGlobal, "isGlobal cannot be null");
+ this.elementId = elementId;
+ this.portNumber = number;
+ this.parentPoint = parentPoint;
+ this.id = id;
+ this.type = type;
+ this.isGlobal = isGlobal;
+ }
+
+ @Override
+ public OpticalLogicId id() {
+ return id;
+ }
+
+ @Override
+ public Optional<ElementId> elementId() {
+ return elementId;
+ }
+
+ @Override
+ public Optional<PortNumber> portNumber() {
+ return portNumber;
+ }
+
+ @Override
+ public Optional<OpticalTunnelEndPoint> parentPoint() {
+ return parentPoint;
+ }
+
+ @Override
+ public boolean isGlobal() {
+ return isGlobal;
+ }
+
+ @Override
+ public Type type() {
+ return type;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(elementId, portNumber, parentPoint, id);
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj instanceof DefaultOpticalTunnelEndPoint) {
+ final DefaultOpticalTunnelEndPoint other = (DefaultOpticalTunnelEndPoint) obj;
+ return Objects.equals(this.id, other.id) &&
+ Objects.equals(this.type, other.type) &&
+ Objects.equals(this.isGlobal, other.isGlobal) &&
+ Objects.equals(this.elementId, other.elementId) &&
+ Objects.equals(this.portNumber, other.portNumber) &&
+ Objects.equals(this.parentPoint, other.parentPoint);
+ }
+ return false;
+ }
+
+ @Override
+ public String toString() {
+ return toStringHelper(this)
+ .add("elementId", elementId)
+ .add("portNumber", portNumber)
+ .add("parentPoint", parentPoint)
+ .add("type", type)
+ .add("id", id)
+ .add("isGlobal", isGlobal)
+ .toString();
+ }
+
+}
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/DefaultTunnel.java b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/DefaultTunnel.java
new file mode 100644
index 0000000..62a5dcb
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/DefaultTunnel.java
@@ -0,0 +1,171 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.onosproject.incubator.net.tunnel;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+import static com.google.common.base.MoreObjects.toStringHelper;
+
+import java.util.Objects;
+
+import org.onosproject.core.DefaultGroupId;
+import org.onosproject.net.AbstractModel;
+import org.onosproject.net.Annotations;
+import org.onosproject.net.NetworkResource;
+import org.onosproject.net.provider.ProviderId;
+
+/**
+ * The default implementation of an network tunnel. supports for creating a
+ * tunnel by connect point ,IP address, MAC address, device and so on.
+ */
+public final class DefaultTunnel extends AbstractModel implements Tunnel {
+
+ private final TunnelEndPoint src; // a source point of tunnel.
+ private final TunnelEndPoint dst; // a destination point of tunnel.
+ private final State state;
+ private final Type type; // tunnel type
+ private final DefaultGroupId groupId; // represent for a group flow table
+ // which a tunnel match up
+ // tunnel producer
+ private final TunnelId tunnelId; // tunnel identify generated by
+ // ONOS as primary key
+ private final TunnelName tunnelName; // name of a tunnel
+
+ /**
+ * Creates an active infrastructure tunnel using the supplied information.
+ *
+ * @param producerName provider identity
+ * @param src tunnel source
+ * @param dst tunnel destination
+ * @param type tunnel type
+ * @param groupId groupId
+ * @param tunnelId tunnelId
+ * @param tunnelName tunnel name
+ * @param annotations optional key/value annotations
+ */
+ public DefaultTunnel(ProviderId producerName, TunnelEndPoint src,
+ TunnelEndPoint dst, Type type, DefaultGroupId groupId,
+ TunnelId tunnelId, TunnelName tunnelName,
+ Annotations... annotations) {
+ this(producerName, src, dst, type, Tunnel.State.ACTIVE, groupId,
+ tunnelId, tunnelName, annotations);
+ }
+
+ /**
+ * Creates an tunnel using the supplied information.
+ *
+ * @param producerName provider identity
+ * @param src tunnel source
+ * @param dst tunnel destination
+ * @param type tunnel type
+ * @param state tunnel state
+ * @param groupId groupId
+ * @param tunnelId tunnelId
+ * @param tunnelName tunnel name
+ * @param annotations optional key/value annotations
+ */
+ public DefaultTunnel(ProviderId producerName, TunnelEndPoint src,
+ TunnelEndPoint dst, Type type, State state,
+ DefaultGroupId groupId, TunnelId tunnelId,
+ TunnelName tunnelName, Annotations... annotations) {
+ super(producerName, annotations);
+ checkNotNull(producerName, "producerName cannot be null");
+ checkNotNull(src, "src cannot be null");
+ checkNotNull(dst, "dst cannot be null");
+ checkNotNull(type, "type cannot be null");
+ checkNotNull(state, "state cannot be null");
+ this.src = src;
+ this.dst = dst;
+ this.type = type;
+ this.state = state;
+ this.groupId = groupId;
+ this.tunnelId = tunnelId;
+ this.tunnelName = tunnelName;
+ }
+
+ @Override
+ public TunnelEndPoint src() {
+ return src;
+ }
+
+ @Override
+ public TunnelEndPoint dst() {
+ return dst;
+ }
+
+ @Override
+ public Type type() {
+ return type;
+ }
+
+ @Override
+ public State state() {
+ return state;
+ }
+
+ @Override
+ public NetworkResource resource() {
+ return null;
+ }
+
+ @Override
+ public TunnelId tunnelId() {
+ return tunnelId;
+ }
+
+ @Override
+ public DefaultGroupId groupId() {
+ return groupId;
+ }
+
+ @Override
+ public TunnelName tunnelName() {
+ return tunnelName;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(src, dst, type, groupId, tunnelId, tunnelName,
+ state);
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj instanceof DefaultTunnel) {
+ final DefaultTunnel other = (DefaultTunnel) obj;
+ return Objects.equals(this.src, other.src)
+ && Objects.equals(this.dst, other.dst)
+ && Objects.equals(this.type, other.type)
+ && Objects.equals(this.groupId, other.groupId)
+ && Objects.equals(this.tunnelId, other.tunnelId)
+ && Objects.equals(this.tunnelName, other.tunnelName)
+ && Objects.equals(this.state, other.state);
+ }
+ return false;
+ }
+
+ @Override
+ public String toString() {
+ return toStringHelper(this).add("src", src).add("dst", dst)
+ .add("type", type).add("state", state).add("groupId", groupId)
+ .add("producerTunnelId", tunnelId)
+ .add("tunnelName", tunnelName).toString();
+ }
+
+}
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/DefaultTunnelDescription.java b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/DefaultTunnelDescription.java
new file mode 100644
index 0000000..e4c4d89
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/DefaultTunnelDescription.java
@@ -0,0 +1,123 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.onosproject.incubator.net.tunnel;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+import org.onosproject.core.DefaultGroupId;
+import org.onosproject.net.AbstractDescription;
+import org.onosproject.net.SparseAnnotations;
+import org.onosproject.net.provider.ProviderId;
+
+import com.google.common.base.MoreObjects;
+
+/**
+ * Default implementation of immutable tunnel description entity.
+ */
+public class DefaultTunnelDescription extends AbstractDescription
+ implements TunnelDescription {
+
+ private final TunnelId tunnelId;
+ private final TunnelEndPoint src;
+ private final TunnelEndPoint dst;
+ private final Tunnel.Type type;
+ private final DefaultGroupId groupId; // represent for a group flow table
+ // which a tunnel match up
+ // tunnel producer
+ private final ProviderId producerName; // tunnel producer name
+ private final TunnelName tunnelName; // name of a tunnel
+
+ /**
+ * Creates a tunnel description using the supplied information.
+ *
+ * @param id TunnelId
+ * @param src TunnelPoint source
+ * @param dst TunnelPoint destination
+ * @param type tunnel type
+ * @param groupId groupId
+ * @param producerName tunnel producer
+ * @param tunnelName tunnel name
+ * @param annotations optional key/value annotations
+ */
+ public DefaultTunnelDescription(TunnelId id, TunnelEndPoint src,
+ TunnelEndPoint dst, Tunnel.Type type,
+ DefaultGroupId groupId,
+ ProviderId producerName,
+ TunnelName tunnelName,
+ SparseAnnotations... annotations) {
+ super(annotations);
+ checkNotNull(producerName, "producerName cannot be null");
+ checkNotNull(src, "src cannot be null");
+ checkNotNull(dst, "dst cannot be null");
+ checkNotNull(type, "type cannot be null");
+ this.tunnelId = id;
+ this.src = src;
+ this.dst = dst;
+ this.type = type;
+ this.groupId = groupId;
+ this.producerName = producerName;
+ this.tunnelName = tunnelName;
+ }
+
+ @Override
+ public TunnelId id() {
+ return tunnelId;
+ }
+
+ @Override
+ public TunnelEndPoint src() {
+ return src;
+ }
+
+ @Override
+ public TunnelEndPoint dst() {
+ return dst;
+ }
+
+ @Override
+ public Tunnel.Type type() {
+ return type;
+ }
+
+ @Override
+ public DefaultGroupId groupId() {
+ return groupId;
+ }
+
+ @Override
+ public ProviderId producerName() {
+ return producerName;
+ }
+
+ @Override
+ public TunnelName tunnelName() {
+ return tunnelName;
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(this)
+ .add("tunnelId", id())
+ .add("src", src())
+ .add("dst", dst())
+ .add("type", type())
+ .add("tunnelName", tunnelName())
+ .add("producerName", producerName())
+ .add("groupId", groupId())
+ .toString();
+ }
+
+}
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/IpTunnelEndPoint.java b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/IpTunnelEndPoint.java
new file mode 100644
index 0000000..a9278fc
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/IpTunnelEndPoint.java
@@ -0,0 +1,69 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.onosproject.incubator.net.tunnel;
+
+import java.util.Objects;
+
+import org.onlab.packet.IpAddress;
+
+import com.google.common.base.MoreObjects;
+/**
+ * Represent for a tunnel point using ip address.
+ */
+public final class IpTunnelEndPoint implements TunnelEndPoint {
+
+ private final IpAddress ip;
+
+ /**
+ * Public construction is prohibited.
+ * @param ip ip address
+ */
+ private IpTunnelEndPoint(IpAddress ip) {
+ this.ip = ip;
+ }
+
+ /**
+ * Create a IP tunnel end point.
+ * @param ip IP address
+ * @return IpTunnelEndPoint
+ */
+ public static IpTunnelEndPoint ipTunnelPoint(IpAddress ip) {
+ return new IpTunnelEndPoint(ip);
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(ip);
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj instanceof IpTunnelEndPoint) {
+ final IpTunnelEndPoint other = (IpTunnelEndPoint) obj;
+ return Objects.equals(this.ip, other.ip);
+ }
+ return false;
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(getClass()).add("ip", ip).toString();
+ }
+}
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/OpticalLogicId.java b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/OpticalLogicId.java
new file mode 100644
index 0000000..fee5542
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/OpticalLogicId.java
@@ -0,0 +1,78 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.onosproject.incubator.net.tunnel;
+
+import java.util.Objects;
+import com.google.common.primitives.UnsignedLongs;
+
+/**
+ * Representation of a label Id, a logical port identifier.
+ */
+public final class OpticalLogicId {
+ /**
+ * Represents a logical Id.
+ */
+ private final long logicId;
+
+ /**
+ * Constructor, public creation is prohibited.
+ */
+ private OpticalLogicId(long id) {
+ this.logicId = id;
+ }
+
+ /**
+ * Returns the LabelId representing the specified long value.
+ *
+ * @param id identifier as long value
+ * @return LabelId
+ */
+ public static OpticalLogicId logicId(long id) {
+ return new OpticalLogicId(id);
+ }
+
+ public static OpticalLogicId logicId(String string) {
+ return new OpticalLogicId(UnsignedLongs.decode(string));
+ }
+
+ public long toLong() {
+ return logicId;
+ }
+
+ @Override
+ public String toString() {
+ return UnsignedLongs.toString(logicId);
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(logicId);
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj instanceof OpticalLogicId) {
+ final OpticalLogicId other = (OpticalLogicId) obj;
+ return this.logicId == other.logicId;
+ }
+ return false;
+ }
+
+}
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/OpticalTunnelEndPoint.java b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/OpticalTunnelEndPoint.java
new file mode 100644
index 0000000..7f0ab4b
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/OpticalTunnelEndPoint.java
@@ -0,0 +1,88 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.onosproject.incubator.net.tunnel;
+
+import java.util.Optional;
+
+import org.onosproject.net.Annotated;
+import org.onosproject.net.ElementId;
+import org.onosproject.net.NetworkResource;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.Provided;
+
+/**
+ * Generic representation of a logical port entity in a consistent way,
+ * it is used to identify e.g., ODUk timeSlot, WDM lambda, etc.
+ * It supports nested case.
+ */
+public interface OpticalTunnelEndPoint extends TunnelEndPoint, Annotated, Provided, NetworkResource {
+
+ /** Represents coarse tunnel point type classification. */
+ public enum Type {
+ /**
+ * Signifies optical data unit-based tunnel point.
+ */
+ TIMESLOT,
+
+ /**
+ * Signifies optical wavelength-based tunnel point.
+ */
+ LAMBDA
+ }
+
+ /**
+ * Returns the identifier.
+ *
+ * @return identifier
+ */
+ OpticalLogicId id();
+
+ /**
+ * Returns the parent network element to which this tunnel point belongs.
+ *
+ * @return parent network element
+ */
+ Optional<ElementId> elementId();
+
+ /**
+ * Returns the parent network port to which this tunnel point belongs, can not be be null.
+ *
+ * @return port number
+ */
+ Optional<PortNumber> portNumber();
+
+ /**
+ * Returns the parent tunnel point to which this tunnel point belongs, optional.
+ *
+ * @return parent tunnel point, if it is null, the parent is a physical port
+ */
+ Optional<OpticalTunnelEndPoint> parentPoint();
+
+ /**
+ * Indicates whether or not the port is global significant.
+ *
+ * @return true if the port is global significant
+ */
+ boolean isGlobal();
+
+ /**
+ * Returns the tunnel point type.
+ *
+ * @return tunnel point type
+ */
+ Type type();
+}
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/Tunnel.java b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/Tunnel.java
new file mode 100644
index 0000000..8b80b86
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/Tunnel.java
@@ -0,0 +1,147 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.onosproject.incubator.net.tunnel;
+
+import org.onosproject.core.DefaultGroupId;
+import org.onosproject.net.Annotated;
+import org.onosproject.net.NetworkResource;
+import org.onosproject.net.Provided;
+
+/**
+ * Abstraction of a generalized Tunnel entity (bandwidth pipe) for either L3/L2
+ * networks or L1/L0 networks, representation of e.g., VLAN, GRE tunnel, MPLS
+ * LSP, L1 ODUk connection, WDM OCH, etc.. Each Tunnel is associated with at
+ * least two tunnel end point objects that model the logical ports essentially.
+ * Note that it supports nested case.
+ */
+public interface Tunnel extends Annotated, Provided, NetworkResource {
+
+ /**
+ * Tunnel technology type.
+ */
+ enum Type {
+ /**
+ * Signifies that this is a MPLS tunnel.
+ */
+ MPLS,
+ /**
+ * Signifies that this is a L2 tunnel.
+ */
+ VLAN,
+ /**
+ * Signifies that this is a DC L2 extension tunnel.
+ */
+ VXLAN,
+ /**
+ * Signifies that this is a L3 tunnel.
+ */
+ GRE,
+ /**
+ * Signifies that this is a L1 OTN tunnel.
+ */
+ ODUK,
+ /**
+ * Signifies that this is a L0 OCH tunnel.
+ */
+ OCH
+ }
+
+ /**
+ * Representation of the tunnel state.
+ */
+ public enum State {
+ /**
+ * Signifies that a tunnel is currently in a initialized state.
+ */
+ INIT,
+ /**
+ * Signifies that a tunnel is currently established but no traffic.
+ */
+ ESTABLISHED,
+ /**
+ * Signifies that a tunnel is currently active. This state means that
+ * this tunnel is available. It can be borrowed by consumer.
+ */
+ ACTIVE,
+ /**
+ * Signifies that a tunnel is currently out of service.
+ */
+ FAILED,
+ /**
+ * Signifies that a tunnel is currently inactive. This state means that
+ * this tunnel can not be borrowed by consumer.
+ */
+ INACTIVE
+ }
+
+ /**
+ * Returns the tunnel state.
+ *
+ * @return tunnel state
+ */
+ State state();
+
+ /**
+ * the origin of a tunnel.
+ *
+ * @return the origin of a tunnel
+ */
+ TunnelEndPoint src();
+
+ /**
+ * the terminal of a tunnel.
+ *
+ * @return the terminal of a tunnel
+ */
+ TunnelEndPoint dst();
+
+ /**
+ * Returns the tunnel type.
+ *
+ * @return tunnel type
+ */
+ Type type();
+
+ /**
+ * Returns group flow table id which a tunnel match up.
+ *
+ * @return OpenFlowGroupId
+ */
+ DefaultGroupId groupId();
+
+ /**
+ * Returns tunnel identify generated by ONOS as primary key.
+ *
+ * @return TunnelId
+ */
+ TunnelId tunnelId();
+
+ /**
+ * Return the name of a tunnel.
+ *
+ * @return Tunnel Name
+ */
+ TunnelName tunnelName();
+
+ /**
+ * Network resource backing the tunnel, e.g. lambda, VLAN id, MPLS tag.
+ *
+ * @return backing resource
+ */
+ NetworkResource resource();
+
+}
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelAdminService.java b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelAdminService.java
new file mode 100644
index 0000000..3c6cf3f
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelAdminService.java
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.onosproject.incubator.net.tunnel;
+
+import org.onosproject.net.Path;
+import org.onosproject.net.provider.ProviderId;
+
+/**
+ * Service for administering the inventory of provisioned tunnels.
+ */
+public interface TunnelAdminService {
+
+ /**
+ * Removes the provisioned tunnel.
+ *
+ * @param tunnelId tunnel ID
+ */
+ void removeTunnel(TunnelId tunnelId);
+
+ /**
+ * Removes the provisioned tunnel leading to and from the
+ * specified labels.
+ *
+ * @param src source label
+ * @param dst destination label
+ * @param producerName producer name
+ */
+ void removeTunnels(TunnelEndPoint src, TunnelEndPoint dst, ProviderId producerName);
+
+ /**
+ * Removes all provisioned tunnels leading to and from the
+ * specified connection point.
+ *
+ * @param src source connection point
+ * @param dst destination connection point
+ * @param type tunnel type
+ * @param producerName producer name
+ */
+ void removeTunnels(TunnelEndPoint src, TunnelEndPoint dst, Tunnel.Type type, ProviderId producerName);
+
+ /**
+ * Invokes the core to update a tunnel based on specified tunnel parameters.
+ *
+ * @param tunnel Tunnel
+ * @param path explicit route (path changed) or null (path not changed) for the tunnel
+ */
+ void updateTunnel(Tunnel tunnel, Path path);
+
+}
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelDescription.java b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelDescription.java
new file mode 100644
index 0000000..eca8fdd
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelDescription.java
@@ -0,0 +1,78 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.onosproject.incubator.net.tunnel;
+
+import org.onosproject.core.DefaultGroupId;
+import org.onosproject.net.Annotated;
+import org.onosproject.net.Description;
+import org.onosproject.net.provider.ProviderId;
+import org.onosproject.incubator.net.tunnel.Tunnel.Type;
+
+/**
+ * Describes a tunnel.
+ */
+public interface TunnelDescription extends Description, Annotated {
+
+ /**
+ * Returns the tunnel id.
+ *
+ * @return tunnelId
+ */
+ TunnelId id();
+
+ /**
+ * Returns the connection point source.
+ *
+ * @return tunnel source ConnectionPoint
+ */
+ TunnelEndPoint src();
+
+ /**
+ * Returns the connection point destination.
+ *
+ * @return tunnel destination
+ */
+ TunnelEndPoint dst();
+
+ /**
+ * Returns the tunnel type.
+ *
+ * @return tunnel type
+ */
+ Type type();
+
+ /**
+ * Returns group flow table id which a tunnel match up.
+ *
+ * @return OpenFlowGroupId
+ */
+ DefaultGroupId groupId();
+
+ /**
+ * Returns tunnel producer name.
+ *
+ * @return producer name
+ */
+ ProviderId producerName();
+
+ /**
+ * Return the name of a tunnel.
+ *
+ * @return Tunnel Name
+ */
+ TunnelName tunnelName();
+}
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelEndPoint.java b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelEndPoint.java
new file mode 100644
index 0000000..3265a4e
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelEndPoint.java
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.onosproject.incubator.net.tunnel;
+
+/**
+ * Represents for source end point or destination end point of a tunnel. Maybe a tunnel
+ * based on ConnectPoint, IpAddress, MacAddress and so on is built.
+ */
+public interface TunnelEndPoint {
+
+}
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelEvent.java b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelEvent.java
new file mode 100644
index 0000000..16c5ec3
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelEvent.java
@@ -0,0 +1,68 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.onosproject.incubator.net.tunnel;
+
+import org.onosproject.event.AbstractEvent;
+
+/**
+ * Describes tunnel events.
+ */
+public final class TunnelEvent extends AbstractEvent<TunnelEvent.Type, Tunnel> {
+
+ /**
+ * Type of tunnel events.
+ */
+ public enum Type {
+ /**
+ * Signifies that a new tunnel has been added.
+ */
+ TUNNEL_ADDED,
+
+ /**
+ * Signifies that a tunnel has been updated or changed state.
+ */
+ TUNNEL_UPDATED,
+
+ /**
+ * Signifies that a tunnel has been removed.
+ */
+ TUNNEL_REMOVED
+ }
+
+ /**
+ * Creates an event of a given type and for the specified tunnel.
+ *
+ * @param type tunnel event type
+ * @param tunnel event tunnel subject
+ */
+ public TunnelEvent(Type type, Tunnel tunnel) {
+ super(type, tunnel);
+ }
+
+ /**
+ * Creates an event of a given type and for the specified link and
+ * the current time.
+ *
+ * @param type tunnel event type
+ * @param tunnel event tunnel subject
+ * @param time occurrence time
+ */
+ public TunnelEvent(Type type, Tunnel tunnel, long time) {
+ super(type, tunnel, time);
+ }
+
+}
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelId.java b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelId.java
new file mode 100644
index 0000000..b596700
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelId.java
@@ -0,0 +1,89 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.onosproject.incubator.net.tunnel;
+
+import static com.google.common.base.Preconditions.checkArgument;
+
+/**
+ * Representation of a Tunnel Id.
+ */
+public final class TunnelId {
+ private final long value;
+
+ /**
+ * Creates an tunnel identifier from the specified tunnel.
+ *
+ * @param value long value
+ * @return tunnel identifier
+ */
+ public static TunnelId valueOf(long value) {
+ return new TunnelId(value);
+ }
+
+ public static TunnelId valueOf(String value) {
+ checkArgument(value.startsWith("0x"));
+ return new TunnelId(Long.parseLong(value.substring("0x".length()), 16));
+ }
+
+ /**
+ * Constructor for serializer.
+ */
+ TunnelId() {
+ this.value = 0;
+ }
+
+ /**
+ * Constructs the ID corresponding to a given long value.
+ *
+ * @param value the underlying value of this ID
+ */
+ TunnelId(long value) {
+ this.value = value;
+ }
+
+ /**
+ * Returns the backing value.
+ *
+ * @return the value
+ */
+ public long id() {
+ return value;
+ }
+
+ @Override
+ public int hashCode() {
+ return Long.hashCode(value);
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (obj == this) {
+ return true;
+ }
+ if (!(obj instanceof TunnelId)) {
+ return false;
+ }
+ TunnelId that = (TunnelId) obj;
+ return this.value == that.value;
+ }
+
+ @Override
+ public String toString() {
+ return "0x" + Long.toHexString(value);
+ }
+
+}
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelListener.java b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelListener.java
new file mode 100644
index 0000000..41011be
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelListener.java
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.onosproject.incubator.net.tunnel;
+
+import org.onosproject.event.EventListener;
+
+/**
+ * Entity capable of receiving tunnel related events.
+ */
+public interface TunnelListener extends EventListener<TunnelEvent> {
+}
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelName.java b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelName.java
new file mode 100644
index 0000000..7e32137
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelName.java
@@ -0,0 +1,76 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.onosproject.incubator.net.tunnel;
+
+import java.util.Objects;
+
+/**
+ * Represents for a unique tunnel name. TunnelId is generated by ONOS while
+ * TunnelName is given by producer. The consumer can borrow tunnels with
+ * TunnelId or TunnelName.
+ */
+public final class TunnelName {
+ private final String str;
+
+ // Default constructor for serialization
+ private TunnelName(String tunnelName) {
+ this.str = tunnelName;
+ }
+
+
+ /**
+ * Creates a tunnel name using the supplied URI string.
+ *
+ * @param tunnelName tunnel name string
+ * @return tunnel name object
+ */
+ public static TunnelName tunnelName(String tunnelName) {
+ return new TunnelName(tunnelName);
+ }
+
+ /**
+ * The string of tunnel name.
+ *
+ * @return the string of tunnel name
+ */
+ public String value() {
+ return str;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(str);
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj instanceof TunnelName) {
+ final TunnelName that = (TunnelName) obj;
+ return this.getClass() == that.getClass()
+ && Objects.equals(this.str, that.str);
+ }
+ return false;
+ }
+
+ @Override
+ public String toString() {
+ return str;
+ }
+}
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelProvider.java b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelProvider.java
new file mode 100644
index 0000000..f01bb61
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelProvider.java
@@ -0,0 +1,105 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.onosproject.incubator.net.tunnel;
+
+import org.onosproject.net.ElementId;
+import org.onosproject.net.Path;
+import org.onosproject.net.provider.Provider;
+
+/**
+ * Abstraction of an entity providing tunnel setup/release services to the core.
+ */
+public interface TunnelProvider extends Provider {
+
+ /**
+ * Instructs the provider to setup a tunnel. It's used by consumers.
+ *
+ * @param tunnel Tunnel
+ * @param path explicit route or null for the tunnel
+ */
+ void setupTunnel(Tunnel tunnel, Path path);
+
+ /**
+ * Instructs the provider to setup a tunnel given the respective device.
+ * It's used by consumers.
+ *
+ * @param srcElement device
+ * @param tunnel Tunnel
+ * @param path explicit route (not null) for the tunnel
+ */
+ void setupTunnel(ElementId srcElement, Tunnel tunnel, Path path);
+
+ /**
+ * Instructs the provider to release a tunnel. It's used by consumers.
+ *
+ * @param tunnel Tunnel
+ */
+ void releaseTunnel(Tunnel tunnel);
+
+ /**
+ * Instructs the provider to release a tunnel given the respective device.
+ * It's used by consumers.
+ *
+ * @param srcElement device
+ * @param tunnel Tunnel
+ */
+ void releaseTunnel(ElementId srcElement, Tunnel tunnel);
+
+ /**
+ * Instructs the provider to update a tunnel. It's used by consumers. Maybe
+ * some consumers enable to update a tunnel.
+ *
+ * @param tunnel Tunnel
+ * @param path explicit route (path changed) or null (path not changed) for
+ * the tunnel
+ */
+ void updateTunnel(Tunnel tunnel, Path path);
+
+ /**
+ * Instructs the provider to update a tunnel given the respective device.
+ * It's used by consumers. Maybe some consumers enable to update a tunnel.
+ *
+ * @param srcElement device
+ * @param tunnel Tunnel
+ * @param path explicit route (path changed) or null (path not changed) for
+ * the tunnel
+ */
+ void updateTunnel(ElementId srcElement, Tunnel tunnel, Path path);
+
+ /**
+ * Signals that the provider has added a tunnel. It's used by producers.
+ *
+ * @param tunnel tunnel information
+ * @return tunnel identity
+ */
+ TunnelId tunnelAdded(TunnelDescription tunnel);
+
+ /**
+ * Signals that the provider has removed a tunnel. It's used by producers.
+ *
+ * @param tunnel tunnel information
+ */
+ void tunnelRemoved(TunnelDescription tunnel);
+
+ /**
+ * Signals that the a tunnel was changed (e.g., sensing changes of
+ * tunnel).It's used by producers.
+ *
+ * @param tunnel tunnel information
+ */
+ void tunnelUpdated(TunnelDescription tunnel);
+}
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelProviderRegistry.java b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelProviderRegistry.java
new file mode 100644
index 0000000..33ff21c
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelProviderRegistry.java
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.onosproject.incubator.net.tunnel;
+
+import org.onosproject.net.provider.ProviderRegistry;
+
+/**
+ * Abstraction of an tunnel provider registry.
+ */
+public interface TunnelProviderRegistry
+ extends ProviderRegistry<TunnelProvider, TunnelProviderService> {
+}
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelProviderService.java b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelProviderService.java
new file mode 100644
index 0000000..9049299
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelProviderService.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.onosproject.incubator.net.tunnel;
+
+import org.onosproject.net.provider.ProviderService;
+
+/**
+ * APIs for tunnel provider to notify the tunnel subSystem.
+ */
+public interface TunnelProviderService extends ProviderService<TunnelProvider> {
+
+ /**
+ * Signals that the provider has added a tunnel.
+ *
+ * @param tunnel tunnel information
+ * @return tunnel identity
+ */
+ TunnelId tunnelAdded(TunnelDescription tunnel);
+
+ /**
+ * Signals that the provider has removed a tunnel.
+ *
+ * @param tunnel tunnel information
+ */
+ void tunnelRemoved(TunnelDescription tunnel);
+
+ /**
+ * Signals that the a tunnel was changed (e.g., sensing changes of tunnel).
+ *
+ * @param tunnel tunnel information
+ */
+ void tunnelUpdated(TunnelDescription tunnel);
+
+}
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelService.java b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelService.java
new file mode 100644
index 0000000..f2611fa
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelService.java
@@ -0,0 +1,194 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.onosproject.incubator.net.tunnel;
+
+import java.util.Collection;
+
+import org.onosproject.core.ApplicationId;
+import org.onosproject.net.Annotations;
+
+/**
+ * Service for interacting with the inventory of tunnels.
+ */
+public interface TunnelService {
+
+ /**
+ * Borrows a specific tunnel. Annotations parameter is reserved.If there
+ * is no tunnel in the store, returns a "null" object, and record the tunnel subscription.
+ * Where tunnel is created, ONOS notifies this consumer actively.
+ *
+ * @param consumerId a tunnel consumer
+ * @param tunnelId tunnel identify generated by onos
+ * @param annotations Annotations
+ * @return Tunnel subscribed tunnel
+ */
+ Tunnel borrowTunnel(ApplicationId consumerId, TunnelId tunnelId,
+ Annotations... annotations);
+
+ /**
+ * Borrows a specific tunnel by tunnelName. Annotations parameter is reserved.If there
+ * is no tunnel in the store, return a "null" object, and record the tunnel subscription.
+ * Where tunnel is created, ONOS notifies this consumer actively.
+ *
+ * @param consumerId a tunnel consumer
+ * @param tunnelName tunnel name
+ * @param annotations Annotations
+ * @return collection of subscribed Tunnels
+ */
+ Collection<Tunnel> borrowTunnel(ApplicationId consumerId, TunnelName tunnelName,
+ Annotations... annotations);
+
+ /**
+ * Borrows all tunnels between source and destination. Annotations
+ * parameter is reserved.If there is no any tunnel in the store, return a
+ * empty collection,and record the tunnel subscription. Where tunnel is created, ONOS
+ * notifies this consumer actively. Otherwise ONOS core returns all the
+ * tunnels, consumer determined which one to use.
+ *
+ * @param consumerId a tunnel consumer
+ * @param src a source point of tunnel.
+ * @param dst a destination point of tunnel
+ * @param annotations Annotations
+ * @return collection of subscribed Tunnels
+ */
+ Collection<Tunnel> borrowTunnel(ApplicationId consumerId, TunnelEndPoint src,
+ TunnelEndPoint dst, Annotations... annotations);
+
+ /**
+ * Borrows all specified type tunnels between source and destination.
+ * Annotations parameter is reserved.If there is no any tunnel in the store,
+ * return a empty collection, and record the tunnel subscription. Where tunnel is
+ * created, ONOS notifies this consumer actively. Otherwise,ONOS core returns
+ * all available tunnels, consumer determined which one to use.
+ *
+ * @param consumerId a tunnel consumer
+ * @param src a source point of tunnel.
+ * @param dst a destination point of tunnel
+ * @param type tunnel type
+ * @param annotations Annotations
+ * @return collection of available Tunnels
+ */
+ Collection<Tunnel> borrowTunnel(ApplicationId consumerId, TunnelEndPoint src,
+ TunnelEndPoint dst, Tunnel.Type type,
+ Annotations... annotations);
+
+ /**
+ * Returns back a specific tunnel to store.
+ *
+ * @param consumerId a tunnel consumer
+ * @param tunnelId tunnel identify generated by ONOS
+ * @param annotations Annotations
+ * @return success or fail
+ */
+ boolean returnTunnel(ApplicationId consumerId, TunnelId tunnelId,
+ Annotations... annotations);
+
+ /**
+ * Returns all specific name tunnel back store. Annotations parameter is reserved.if there
+ * is no tunnel in the store, return a "null" object, and record the tunnel subscription.
+ * Where tunnel is created, ONOS notifies this consumer actively.
+ *
+ * @param consumerId a tunnel consumer
+ * @param tunnelName tunnel name
+ * @param annotations Annotations
+ * @return boolean
+ */
+ boolean returnTunnel(ApplicationId consumerId, TunnelName tunnelName,
+ Annotations... annotations);
+
+ /**
+ * Returns all specific type tunnels between source and destination back
+ * store. Annotations parameter is reserved.
+ *
+ * @param consumerId a tunnel consumer
+ * @param src a source point of tunnel.
+ * @param dst a destination point of tunnel
+ * @param type tunnel type
+ * @param annotations Annotations
+ * @return success or fail
+ */
+ boolean returnTunnel(ApplicationId consumerId, TunnelEndPoint src,
+ TunnelEndPoint dst, Tunnel.Type type,
+ Annotations... annotations);
+
+ /**
+ * Returns all tunnels between source and destination back the store.
+ * Annotations parameter is reserved.
+ *
+ * @param consumerId a tunnel consumer
+ * @param src a source point of tunnel.
+ * @param dst a destination point of tunnel.
+ * @param annotations Annotations
+ * @return success or fail
+ */
+ boolean returnTunnel(ApplicationId consumerId, TunnelEndPoint src,
+ TunnelEndPoint dst, Annotations... annotations);
+
+ /**
+ * Returns a tunnel by a specific tunnel identity.
+ *
+ * @param tunnelId tunnel identify generated by tunnel producer
+ * @return Tunnel
+ */
+ Tunnel queryTunnel(TunnelId tunnelId);
+
+ /**
+ * Returns all tunnel subscription record by consumer.
+ *
+ * @param consumerId consumer identity
+ * @return Collection of TunnelSubscription
+ */
+ Collection<TunnelSubscription> queryTunnelSubscription(ApplicationId consumerId);
+
+ /**
+ * Returns all specified type tunnels.
+ *
+ * @param type tunnel type
+ * @return Collection of tunnels
+ */
+ Collection<Tunnel> queryTunnel(Tunnel.Type type);
+
+ /**
+ * Returns all tunnels between source point and destination point.
+ *
+ * @param src a source point of tunnel.
+ * @param dst a destination point of tunnel.
+ * @return Collection of tunnels
+ */
+ Collection<Tunnel> queryTunnel(TunnelEndPoint src, TunnelEndPoint dst);
+
+ /**
+ * Returns all tunnels.
+ *
+ * @return all tunnels
+ */
+ int tunnelCount();
+
+ /**
+ * Adds the specified tunnel listener.
+ *
+ * @param listener tunnel listener
+ */
+ void addListener(TunnelListener listener);
+
+ /**
+ * Removes the specified tunnel listener.
+ *
+ * @param listener tunnel listener
+ */
+ void removeListener(TunnelListener listener);
+}
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelStore.java b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelStore.java
new file mode 100644
index 0000000..3286ef2
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelStore.java
@@ -0,0 +1,221 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.onosproject.incubator.net.tunnel;
+
+import java.util.Collection;
+
+import org.onosproject.core.ApplicationId;
+import org.onosproject.net.Annotations;
+import org.onosproject.net.provider.ProviderId;
+import org.onosproject.incubator.net.tunnel.Tunnel.Type;
+import org.onosproject.store.Store;
+
+/**
+ * Manages inventory of tunnel; not intended for direct use.
+ */
+public interface TunnelStore extends Store<TunnelEvent, TunnelStoreDelegate> {
+ /**
+ * Creates or updates a tunnel.
+ *
+ * @param tunnel tunnel
+ * @return tunnel identity
+ */
+ TunnelId createOrUpdateTunnel(Tunnel tunnel);
+
+ /**
+ * Deletes a tunnel by a specific tunnel identifier.
+ *
+ * @param tunnelId tunnel unique identifier generated by ONOS
+ */
+ void deleteTunnel(TunnelId tunnelId);
+
+ /**
+ * Deletes all tunnels between source point and destination point.
+ *
+ * @param src a source point of tunnel.
+ * @param dst a destination point of tunnel.
+ * @param producerName producerName
+ */
+ void deleteTunnel(TunnelEndPoint src, TunnelEndPoint dst,
+ ProviderId producerName);
+
+ /**
+ * Deletes all specific type tunnels between source point and destination
+ * point.
+ *
+ * @param src a source point of tunnel.
+ * @param dst a destination point of tunnel.
+ * @param type tunnel type
+ * @param producerName producerName
+ */
+ void deleteTunnel(TunnelEndPoint src, TunnelEndPoint dst,
+ Tunnel.Type type, ProviderId producerName);
+
+ /**
+ * Returns a specific tunnel. Annotations parameter is reserved. If there
+ * is no tunnel in the store, return a "null" object, and record the tunnel subscription.
+ * Where tunnel is created, ONOS notifies this consumer actively.
+ *
+ * @param consumerId a tunnel consumer
+ * @param tunnelId tunnel identify generated by onos
+ * @param annotations parameter
+ * @return Tunnel subscribed tunnel
+ */
+ Tunnel borrowTunnel(ApplicationId consumerId, TunnelId tunnelId,
+ Annotations... annotations);
+
+ /**
+ * Returns a specific tunnel by tunnelName. Annotations parameter is
+ * reserved. If there is no tunnel in the store, return a "null" object,and
+ * record the tunnel subscription. Where tunnel is created, ONOS notifies this consumer
+ * actively.
+ *
+ * @param consumerId a tunnel consumer
+ * @param tunnelName tunnel name
+ * @param annotations parameter
+ * @return collection of subscribed Tunnels
+ */
+ Collection<Tunnel> borrowTunnel(ApplicationId consumerId,
+ TunnelName tunnelName,
+ Annotations... annotations);
+
+ /**
+ * Returns all tunnels between source and destination. Annotations
+ * parameter is reserved. If there is no any tunnel in the store, return a
+ * empty collection, and record the tunnel subscription. Where tunnel is created, ONOS
+ * notifies this consumer actively. Otherwise ONOS core returns all the
+ * tunnels, consumer determined which one to use.
+ *
+ * @param consumerId a tunnel consumer
+ * @param src a source point of tunnel.
+ * @param dst a destination point of tunnel
+ * @param annotations parameter
+ * @return collection of subscribed Tunnels
+ */
+ Collection<Tunnel> borrowTunnel(ApplicationId consumerId, TunnelEndPoint src,
+ TunnelEndPoint dst, Annotations... annotations);
+
+ /**
+ * Returns all specified type tunnels between source and destination.
+ * Annotations parameter is reserved. If there is no any tunnel in the store,
+ * return a empty collection, and record the tunnel subscription. Where tunnel is
+ * created, ONOS notifies this consumer actively. Otherwise,ONOS core returns
+ * all available tunnels, consumer determined which one to use.
+ *
+ * @param consumerId a tunnel consumer
+ * @param src a source point of tunnel.
+ * @param dst a destination point of tunnel
+ * @param type tunnel type
+ * @param annotations Annotations
+ * @return collection of available Tunnels
+ */
+ Collection<Tunnel> borrowTunnel(ApplicationId consumerId, TunnelEndPoint src,
+ TunnelEndPoint dst, Type type,
+ Annotations... annotations);
+
+ /**
+ * Returns back a specific tunnel to store.
+ *
+ * @param consumerId a tunnel consumer
+ * @param tunnelId tunnel identify generated by ONOS
+ * @param annotations Annotations
+ * @return success or fail
+ */
+ boolean returnTunnel(ApplicationId consumerId, TunnelId tunnelId,
+ Annotations... annotations);
+
+ /**
+ * Returns all specific name tunnel back store. Annotations parameter is
+ * reserved.If there is no tunnel in the store, return a "null" object,and
+ * record the tunnel subscription. Where tunnel is created, ONOS notifies this consumer
+ * actively.
+ *
+ * @param consumerId a tunnel consumer
+ * @param tunnelName tunnel name
+ * @param annotations Annotations
+ * @return boolean
+ */
+ boolean returnTunnel(ApplicationId consumerId, TunnelName tunnelName,
+ Annotations... annotations);
+
+ /**
+ * Returns all specific type tunnels between source and destination back
+ * store. Annotations parameter is reserved.
+ *
+ * @param consumerId a tunnel consumer
+ * @param src a source point of tunnel.
+ * @param dst a destination point of tunnel
+ * @param type tunnel type
+ * @param annotations Annotations
+ * @return success or fail
+ */
+ boolean returnTunnel(ApplicationId consumerId, TunnelEndPoint src,
+ TunnelEndPoint dst, Type type,
+ Annotations... annotations);
+
+ /**
+ * Returns all tunnels between source and destination back the store.
+ * Annotations parameter is reserved.
+ *
+ * @param consumerId a tunnel consumer
+ * @param src a source point of tunnel.
+ * @param dst a destination point of tunnel.
+ * @param annotations Annotations
+ * @return success or fail
+ */
+ boolean returnTunnel(ApplicationId consumerId, TunnelEndPoint src,
+ TunnelEndPoint dst, Annotations... annotations);
+
+ /**
+ * Returns a tunnel by a specific tunnel identity.
+ *
+ * @param tunnelId tunnel identify generated by tunnel producer
+ * @return Tunnel
+ */
+ Tunnel queryTunnel(TunnelId tunnelId);
+
+ /**
+ * Returns all tunnel subscription record by consumer.
+ *
+ * @param consumerId consumer identity
+ * @return Collection of TunnelSubscription
+ */
+ Collection<TunnelSubscription> queryTunnelSubscription(ApplicationId consumerId);
+
+ /**
+ * Returns all specified type tunnels.
+ *
+ * @param type tunnel type
+ * @return Collection of tunnels
+ */
+ Collection<Tunnel> queryTunnel(Type type);
+
+ /**
+ * Returns all tunnels between source point and destination point.
+ *
+ * @param src a source point of tunnel.
+ * @param dst a destination point of tunnel.
+ * @return Collection of tunnels
+ */
+ Collection<Tunnel> queryTunnel(TunnelEndPoint src, TunnelEndPoint dst);
+
+ /**
+ * Returns all tunnels.
+ * @return all tunnels
+ */
+ int tunnelCount();
+}
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelStoreDelegate.java b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelStoreDelegate.java
new file mode 100644
index 0000000..cf8a998
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelStoreDelegate.java
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.onosproject.incubator.net.tunnel;
+
+import org.onosproject.store.StoreDelegate;
+
+/**
+ * Tunnel store delegate abstraction.
+ */
+public interface TunnelStoreDelegate extends StoreDelegate<TunnelEvent> {
+}
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelSubscription.java b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelSubscription.java
new file mode 100644
index 0000000..9dd8e62
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/TunnelSubscription.java
@@ -0,0 +1,154 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.onosproject.incubator.net.tunnel;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import java.util.Objects;
+
+import org.onosproject.core.ApplicationId;
+import org.onosproject.net.AbstractAnnotated;
+import org.onosproject.net.Annotations;
+import org.onosproject.incubator.net.tunnel.Tunnel.Type;
+
+import com.google.common.base.MoreObjects;
+
+/**
+ * Represents for a order that consumer subscribe tunnel. ONOS maintains request
+ * information, it means ONOS knows how much resource echo consumer uses in the
+ * ONOS. Although there is no a tunnel that consumer want to use, when producer
+ * creates a new tunnel, ONOS will notify the consumers that want to use it.
+ */
+public final class TunnelSubscription extends AbstractAnnotated {
+ private final ApplicationId consumerId;
+ private final TunnelEndPoint src;
+ private final TunnelEndPoint dst;
+ private final Type type;
+ private final TunnelId tunnelId;
+ private final TunnelName tunnelName;
+
+ /**
+ * Creates a TunnelSubscription.
+ *
+ * @param consumerId consumer identity
+ * @param src source tunnel end point of tunnel
+ * @param dst destination tunnel end point of tunnel
+ * @param tunnelId tunnel identity
+ * @param type tunnel type
+ * @param tunnelName the name of a tunnel
+ * @param annotations parameter
+ */
+ public TunnelSubscription(ApplicationId consumerId, TunnelEndPoint src,
+ TunnelEndPoint dst, TunnelId tunnelId, Type type,
+ TunnelName tunnelName, Annotations... annotations) {
+ super(annotations);
+ checkNotNull(consumerId, "consumerId cannot be null");
+ this.consumerId = consumerId;
+ this.src = src;
+ this.dst = dst;
+ this.type = type;
+ this.tunnelId = tunnelId;
+ this.tunnelName = tunnelName;
+ }
+
+ /**
+ * Returns consumer identity.
+ *
+ * @return consumerId consumer id
+ */
+ public ApplicationId consumerId() {
+ return consumerId;
+ }
+
+ /**
+ * Returns source point of tunnel.
+ *
+ * @return source point
+ */
+ public TunnelEndPoint src() {
+ return src;
+ }
+
+ /**
+ * Returns destination point of tunnel.
+ *
+ * @return destination point
+ */
+ public TunnelEndPoint dst() {
+ return dst;
+ }
+
+ /**
+ * Returns tunnel type.
+ *
+ * @return tunnel type
+ */
+ public Type type() {
+ return type;
+ }
+
+ /**
+ * Returns tunnel identity.
+ *
+ * @return tunnel id
+ */
+ public TunnelId tunnelId() {
+ return tunnelId;
+ }
+
+ /**
+ * Returns tunnel name.
+ *
+ * @return tunnel name
+ */
+ public TunnelName tunnelName() {
+ return tunnelName;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(consumerId, src, dst, type, tunnelId, tunnelName);
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj instanceof TunnelSubscription) {
+ final TunnelSubscription other = (TunnelSubscription) obj;
+ return Objects.equals(this.src, other.src)
+ && Objects.equals(this.dst, other.dst)
+ && Objects.equals(this.consumerId, other.consumerId)
+ && Objects.equals(this.type, other.type)
+ && Objects.equals(this.tunnelId, other.tunnelId)
+ && Objects.equals(this.tunnelName, other.tunnelName);
+ }
+ return false;
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(getClass())
+ .add("src", src)
+ .add("dst", dst)
+ .add("consumerId", consumerId)
+ .add("type", type)
+ .add("tunnelId", tunnelId)
+ .add("tunnelName", tunnelName).toString();
+ }
+}
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/package-info.java b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/package-info.java
new file mode 100644
index 0000000..d31aab5
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/tunnel/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.
+ */
+
+/**
+ * Tunnel model related services and providers API definitions.
+ */
+package org.onosproject.incubator.net.tunnel;