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-rw-r--r--framework/patches/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/sfc/DefaultFlowClassifier.java414
-rw-r--r--framework/patches/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/sfc/DefaultPortPair.java200
-rw-r--r--framework/patches/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/sfc/FlowClassifier.java257
-rw-r--r--framework/patches/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/sfc/FlowClassifierId.java71
-rw-r--r--framework/patches/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/sfc/PortPair.java140
-rw-r--r--framework/patches/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/sfc/PortPairId.java92
-rw-r--r--framework/patches/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/sfc/package-info.java20
7 files changed, 1194 insertions, 0 deletions
diff --git a/framework/patches/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/sfc/DefaultFlowClassifier.java b/framework/patches/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/sfc/DefaultFlowClassifier.java
new file mode 100644
index 00000000..7e06f332
--- /dev/null
+++ b/framework/patches/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/sfc/DefaultFlowClassifier.java
@@ -0,0 +1,414 @@
+/*
+ * 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.vtnrsc.sfc;
+
+import java.util.Objects;
+
+import org.onlab.packet.EthType.EtherType;
+import org.onlab.packet.IpPrefix;
+import org.onosproject.vtnrsc.TenantId;
+import org.onosproject.vtnrsc.VirtualPortId;
+
+import com.google.common.base.MoreObjects;
+import static com.google.common.base.Preconditions.checkNotNull;
+/**
+ * Provides Default flow classifier.
+ */
+public final class DefaultFlowClassifier implements FlowClassifier {
+
+ private final FlowClassifierId flowClassifierId;
+ private final TenantId tenantId;
+ private final String name;
+ private final String description;
+ private final EtherType etherType;
+ private final String protocol;
+ private final int minSrcPortRange;
+ private final int maxSrcPortRange;
+ private final int minDstPortRange;
+ private final int maxDstPortRange;
+ private final IpPrefix srcIpPrefix;
+ private final IpPrefix dstIpPrefix;
+ private final VirtualPortId srcPort;
+ private final VirtualPortId dstPort;
+ private static final int NULL_PORT = 0;
+
+ /**
+ * Constructor to create default flow classifier.
+ *
+ * @param flowClassifierId flow classifier Id
+ * @param tenantId Tenant ID
+ * @param name flow classifier name
+ * @param description flow classifier description
+ * @param etherType etherType
+ * @param protocol IP protocol
+ * @param minSrcPortRange Minimum Source port range
+ * @param maxSrcPortRange Maximum Source port range
+ * @param minDstPortRange Minimum destination port range
+ * @param maxDstPortRange Maximum destination port range
+ * @param srcIpPrefix Source IP prefix
+ * @param dstIpPrefix destination IP prefix
+ * @param srcPort Source VirtualPort
+ * @param dstPort destination VirtualPort
+ */
+ private DefaultFlowClassifier(FlowClassifierId flowClassifierId, TenantId tenantId, String name,
+ String description, EtherType etherType, String protocol, int minSrcPortRange, int maxSrcPortRange,
+ int minDstPortRange, int maxDstPortRange, IpPrefix srcIpPrefix, IpPrefix dstIpPrefix,
+ VirtualPortId srcPort, VirtualPortId dstPort) {
+ this.flowClassifierId = flowClassifierId;
+ this.tenantId = tenantId;
+ this.name = name;
+ this.description = description;
+ this.etherType = etherType;
+ this.protocol = protocol;
+ this.minSrcPortRange = minSrcPortRange;
+ this.maxSrcPortRange = maxSrcPortRange;
+ this.minDstPortRange = minDstPortRange;
+ this.maxDstPortRange = maxDstPortRange;
+ this.srcIpPrefix = srcIpPrefix;
+ this.dstIpPrefix = dstIpPrefix;
+ this.srcPort = srcPort;
+ this.dstPort = dstPort;
+ }
+
+ @Override
+ public FlowClassifierId flowClassifierId() {
+ return flowClassifierId;
+ }
+
+ @Override
+ public TenantId tenantId() {
+ return tenantId;
+ }
+
+ @Override
+ public String flowclassifierName() {
+ return name;
+ }
+
+ @Override
+ public String flowClassifierDescription() {
+ return description;
+ }
+
+ @Override
+ public EtherType etherType() {
+ return etherType;
+ }
+
+ @Override
+ public String ipProtocol() {
+ return protocol;
+ }
+
+ @Override
+ public int minSrcPortRange() {
+ return minSrcPortRange;
+ }
+
+ @Override
+ public int maxSrcPortRange() {
+ return maxSrcPortRange;
+ }
+
+ @Override
+ public int minDstPortRange() {
+ return minDstPortRange;
+ }
+
+ @Override
+ public int maxDstPortRange() {
+ return maxDstPortRange;
+ }
+
+ @Override
+ public IpPrefix srcIpPrefix() {
+ return srcIpPrefix;
+ }
+
+ @Override
+ public IpPrefix dstIpPrefix() {
+ return dstIpPrefix;
+ }
+
+ @Override
+ public VirtualPortId srcVirtualPort() {
+ return srcPort;
+ }
+
+ @Override
+ public VirtualPortId dstVirtualPort() {
+ return dstPort;
+ }
+
+ /**
+ * Builder class for constructing Flow classifier.
+ */
+ public static class Builder implements FlowClassifier.Builder {
+
+ private FlowClassifierId flowClassifierId;
+ private TenantId tenantId;
+ private String name;
+ private boolean isFlowClassifierNameSet = false;
+ private String description;
+ private boolean isFlowClassifierDescriptionSet = false;
+ private EtherType etherType;
+ private boolean isEtherTypeSet = false;
+ private String protocol;
+ private boolean isProtocolSet = false;
+ private int minSrcPortRange;
+ private boolean isMinSrcPortRangeSet = false;
+ private int maxSrcPortRange;
+ private boolean isMaxSrcPortRangeSet = false;
+ private int minDstPortRange;
+ private boolean isMinDstPortRangeSet = false;
+ private int maxDstPortRange;
+ private boolean isMaxDstPortRangeSet = false;
+ private IpPrefix srcIpPrefix;
+ private boolean isSrcIpPrefixSet = false;
+ private IpPrefix dstIpPrefix;
+ private boolean isDstIpPrefixSet = false;
+ private VirtualPortId srcPort;
+ private boolean isSrcPortSet = false;
+ private VirtualPortId dstPort;
+ private boolean isDstPortSet = false;
+
+ @Override
+ public FlowClassifier build() {
+
+ checkNotNull(flowClassifierId, "FlowClassifier id can not be null.");
+ checkNotNull(tenantId, "Tenant id can not be null.");
+ String name = null;
+ String description = null;
+ EtherType etherType = null;
+ String protocol = null;
+ int minSrcPortRange = NULL_PORT;
+ int maxSrcPortRange = NULL_PORT;
+ int minDstPortRange = NULL_PORT;
+ int maxDstPortRange = NULL_PORT;
+ IpPrefix srcIpPrefix = null;
+ IpPrefix dstIpPrefix = null;
+ VirtualPortId srcPort = null;
+ VirtualPortId dstPort = null;
+
+ if (isFlowClassifierNameSet) {
+ name = this.name;
+ }
+ if (isFlowClassifierDescriptionSet) {
+ description = this.description;
+ }
+ if (isEtherTypeSet) {
+ etherType = this.etherType;
+ }
+ if (isProtocolSet) {
+ protocol = this.protocol;
+ }
+ if (isMinSrcPortRangeSet) {
+ minSrcPortRange = this.minSrcPortRange;
+ }
+ if (isMaxSrcPortRangeSet) {
+ maxSrcPortRange = this.maxSrcPortRange;
+ }
+ if (isMinDstPortRangeSet) {
+ minDstPortRange = this.minDstPortRange;
+ }
+ if (isMaxDstPortRangeSet) {
+ maxDstPortRange = this.maxDstPortRange;
+ }
+ if (isSrcIpPrefixSet) {
+ srcIpPrefix = this.srcIpPrefix;
+ }
+ if (isDstIpPrefixSet) {
+ dstIpPrefix = this.dstIpPrefix;
+ }
+ if (isSrcPortSet) {
+ srcPort = this.srcPort;
+ }
+ if (isDstPortSet) {
+ dstPort = this.dstPort;
+ }
+
+ return new DefaultFlowClassifier(flowClassifierId, tenantId, name, description, etherType, protocol,
+ minSrcPortRange, maxSrcPortRange, minDstPortRange, maxDstPortRange, srcIpPrefix, dstIpPrefix,
+ srcPort, dstPort);
+ }
+
+ @Override
+ public Builder setFlowClassifierId(FlowClassifierId flowClassifierId) {
+ this.flowClassifierId = flowClassifierId;
+ return this;
+ }
+
+ @Override
+ public Builder setTenantId(TenantId tenantId) {
+ this.tenantId = tenantId;
+ return this;
+ }
+
+ @Override
+ public Builder setFlowClassifierName(String name) {
+ this.name = name;
+ this.isFlowClassifierNameSet = true;
+ return this;
+ }
+
+ @Override
+ public Builder setFlowClassifierDescription(String description) {
+ this.description = description;
+ this.isFlowClassifierDescriptionSet = true;
+ return this;
+ }
+
+ @Override
+ public Builder setEtherType(EtherType etherType) {
+ this.etherType = etherType;
+ this.isEtherTypeSet = true;
+ return this;
+ }
+
+ @Override
+ public Builder setIpProtocol(String protocol) {
+ this.protocol = protocol;
+ this.isProtocolSet = true;
+ return this;
+ }
+
+ @Override
+ public Builder setMinSrcPortRange(int minSrcPortRange) {
+ this.minSrcPortRange = minSrcPortRange;
+ this.isMinSrcPortRangeSet = true;
+ return this;
+ }
+
+ @Override
+ public Builder setMaxSrcPortRange(int maxSrcPortRange) {
+ this.maxSrcPortRange = maxSrcPortRange;
+ this.isMaxSrcPortRangeSet = true;
+ return this;
+ }
+
+ @Override
+ public Builder setMinDstPortRange(int minDstPortRange) {
+ this.minDstPortRange = minDstPortRange;
+ this.isMinDstPortRangeSet = true;
+ return this;
+ }
+
+ @Override
+ public Builder setMaxDstPortRange(int maxDstPortRange) {
+ this.maxDstPortRange = maxDstPortRange;
+ this.isMaxDstPortRangeSet = true;
+ return this;
+ }
+
+ @Override
+ public Builder setSrcIpPrefix(IpPrefix srcIpPrefix) {
+ this.srcIpPrefix = srcIpPrefix;
+ this.isSrcIpPrefixSet = true;
+ return this;
+ }
+
+ @Override
+ public Builder setDstIpPrefix(IpPrefix dstIpPrefix) {
+ this.dstIpPrefix = dstIpPrefix;
+ this.isDstIpPrefixSet = true;
+ return this;
+ }
+
+ @Override
+ public Builder setSrcVirtualPort(VirtualPortId srcPort) {
+ this.srcPort = srcPort;
+ this.isSrcPortSet = true;
+ return this;
+ }
+
+ @Override
+ public Builder setDstVirtualPort(VirtualPortId dstPort) {
+ this.dstPort = dstPort;
+ this.isDstPortSet = true;
+ return this;
+ }
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(flowClassifierId, tenantId, name, description, etherType, protocol, minSrcPortRange,
+ maxSrcPortRange, minDstPortRange, maxDstPortRange, srcIpPrefix, dstIpPrefix, srcPort, dstPort);
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj instanceof DefaultFlowClassifier) {
+ DefaultFlowClassifier other = (DefaultFlowClassifier) obj;
+ return Objects.equals(this.flowClassifierId, other.flowClassifierId)
+ && Objects.equals(this.tenantId, other.tenantId)
+ && Objects.equals(this.name, other.name)
+ && Objects.equals(this.description, other.description)
+ && Objects.equals(this.etherType, other.etherType)
+ && Objects.equals(this.protocol, other.protocol)
+ && Objects.equals(this.minSrcPortRange, other.minSrcPortRange)
+ && Objects.equals(this.maxSrcPortRange, other.maxSrcPortRange)
+ && Objects.equals(this.minDstPortRange, other.minDstPortRange)
+ && Objects.equals(this.maxDstPortRange, other.maxDstPortRange)
+ && Objects.equals(this.srcIpPrefix, other.srcIpPrefix)
+ && Objects.equals(this.dstIpPrefix, other.dstIpPrefix)
+ && Objects.equals(this.srcPort, other.srcPort)
+ && Objects.equals(this.dstPort, other.dstPort);
+ }
+ return false;
+ }
+
+ @Override
+ public boolean exactMatch(FlowClassifier flowClassifier) {
+ return this.equals(flowClassifier)
+ && Objects.equals(this.flowClassifierId, flowClassifier.flowClassifierId())
+ && Objects.equals(this.tenantId, flowClassifier.tenantId())
+ && Objects.equals(this.name, flowClassifier.flowclassifierName())
+ && Objects.equals(this.description, flowClassifier.flowClassifierDescription())
+ && Objects.equals(this.etherType, flowClassifier.etherType())
+ && Objects.equals(this.protocol, flowClassifier.ipProtocol())
+ && Objects.equals(this.minSrcPortRange, flowClassifier.minSrcPortRange())
+ && Objects.equals(this.maxSrcPortRange, flowClassifier.maxSrcPortRange())
+ && Objects.equals(this.minDstPortRange, flowClassifier.minDstPortRange())
+ && Objects.equals(this.maxDstPortRange, flowClassifier.maxDstPortRange())
+ && Objects.equals(this.srcIpPrefix, flowClassifier.srcIpPrefix())
+ && Objects.equals(this.dstIpPrefix, flowClassifier.dstIpPrefix())
+ && Objects.equals(this.srcPort, flowClassifier.srcVirtualPort())
+ && Objects.equals(this.dstPort, flowClassifier.dstVirtualPort());
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(getClass())
+ .add("FlowClassifierId", flowClassifierId)
+ .add("TenantId", tenantId)
+ .add("Name", name)
+ .add("Description", description)
+ .add("EtherType", etherType)
+ .add("Protocol", protocol)
+ .add("MinSrcPortRange", minSrcPortRange)
+ .add("MaxSrcPortRange", maxSrcPortRange)
+ .add("MinDstPortRange", minDstPortRange)
+ .add("MaxDstPortRange", maxDstPortRange)
+ .add("SrcIpPrefix", srcIpPrefix)
+ .add("DstIpPrefix", dstIpPrefix)
+ .add("SrcPort", srcPort)
+ .add("DstPort", dstPort)
+ .toString();
+ }
+} \ No newline at end of file
diff --git a/framework/patches/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/sfc/DefaultPortPair.java b/framework/patches/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/sfc/DefaultPortPair.java
new file mode 100644
index 00000000..ed480fb7
--- /dev/null
+++ b/framework/patches/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/sfc/DefaultPortPair.java
@@ -0,0 +1,200 @@
+/*
+ * 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.vtnrsc.sfc;
+
+import static com.google.common.base.MoreObjects.toStringHelper;
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import java.util.Objects;
+
+import org.onosproject.vtnrsc.TenantId;
+
+/**
+ * Implementation of port pair.
+ */
+public final class DefaultPortPair implements PortPair {
+
+ private final PortPairId portPairId;
+ private final TenantId tenantId;
+ private final String name;
+ private final String description;
+ private final String ingress;
+ private final String egress;
+
+ /**
+ * Default constructor to create Port Pair.
+ *
+ * @param portPairId port pair id
+ * @param tenantId tenant id
+ * @param name name of port pair
+ * @param description description of port pair
+ * @param ingress ingress port
+ * @param egress egress port
+ */
+ private DefaultPortPair(PortPairId portPairId, TenantId tenantId,
+ String name, String description,
+ String ingress, String egress) {
+
+ this.portPairId = portPairId;
+ this.tenantId = tenantId;
+ this.name = name;
+ this.description = description;
+ this.ingress = ingress;
+ this.egress = egress;
+ }
+
+ @Override
+ public PortPairId portPairId() {
+ return portPairId;
+ }
+
+ @Override
+ public TenantId tenantId() {
+ return tenantId;
+ }
+
+ @Override
+ public String name() {
+ return name;
+ }
+
+ @Override
+ public String description() {
+ return description;
+ }
+
+ @Override
+ public String ingress() {
+ return ingress;
+ }
+
+ @Override
+ public String egress() {
+ return egress;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(portPairId, tenantId, name, description,
+ ingress, egress);
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj instanceof DefaultPortPair) {
+ DefaultPortPair that = (DefaultPortPair) obj;
+ return Objects.equals(portPairId, that.portPairId) &&
+ Objects.equals(tenantId, that.tenantId) &&
+ Objects.equals(name, that.name) &&
+ Objects.equals(description, that.description) &&
+ Objects.equals(ingress, that.ingress) &&
+ Objects.equals(egress, that.egress);
+ }
+ return false;
+ }
+
+ @Override
+ public boolean exactMatch(PortPair portPair) {
+ return this.equals(portPair) &&
+ Objects.equals(this.portPairId, portPair.portPairId()) &&
+ Objects.equals(this.tenantId, portPair.tenantId());
+ }
+
+ @Override
+ public String toString() {
+ return toStringHelper(this)
+ .add("id", portPairId.toString())
+ .add("tenantId", tenantId.tenantId())
+ .add("name", name)
+ .add("description", description)
+ .add("ingress", ingress)
+ .add("egress", egress)
+ .toString();
+ }
+
+ /**
+ * To create an instance of the builder.
+ *
+ * @return instance of builder
+ */
+ public static Builder builder() {
+ return new Builder();
+ }
+
+ /**
+ * Builder class for Port pair.
+ */
+ public static final class Builder implements PortPair.Builder {
+
+ private PortPairId portPairId;
+ private TenantId tenantId;
+ private String name;
+ private String description;
+ private String ingress;
+ private String egress;
+
+ @Override
+ public Builder setId(PortPairId portPairId) {
+ this.portPairId = portPairId;
+ return this;
+ }
+
+ @Override
+ public Builder setTenantId(TenantId tenantId) {
+ this.tenantId = tenantId;
+ return this;
+ }
+
+ @Override
+ public Builder setName(String name) {
+ this.name = name;
+ return this;
+ }
+
+ @Override
+ public Builder setDescription(String description) {
+ this.description = description;
+ return this;
+ }
+
+ @Override
+ public Builder setIngress(String ingress) {
+ this.ingress = ingress;
+ return this;
+ }
+
+ @Override
+ public Builder setEgress(String egress) {
+ this.egress = egress;
+ return this;
+ }
+
+ @Override
+ public PortPair build() {
+
+ checkNotNull(portPairId, "Port pair id cannot be null");
+ checkNotNull(tenantId, "Tenant id cannot be null");
+ checkNotNull(ingress, "Ingress of a port pair cannot be null");
+ checkNotNull(egress, "Egress of a port pair cannot be null");
+
+ return new DefaultPortPair(portPairId, tenantId, name, description,
+ ingress, egress);
+ }
+ }
+}
diff --git a/framework/patches/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/sfc/FlowClassifier.java b/framework/patches/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/sfc/FlowClassifier.java
new file mode 100644
index 00000000..0931206c
--- /dev/null
+++ b/framework/patches/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/sfc/FlowClassifier.java
@@ -0,0 +1,257 @@
+/*
+ * 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.vtnrsc.sfc;
+
+import org.onlab.packet.IpPrefix;
+import org.onosproject.vtnrsc.TenantId;
+import org.onosproject.vtnrsc.VirtualPortId;
+/**
+ * Abstraction of an entity which provides flow classifier for service function chain.
+ */
+public interface FlowClassifier {
+
+ /**
+ * Returns flow classifier ID.
+ *
+ * @return flow classifier id
+ */
+ FlowClassifierId flowClassifierId();
+
+ /**
+ * Returns Tenant ID.
+ *
+ * @return tenant Id
+ */
+ TenantId tenantId();
+
+ /**
+ * Returns flow classifier name.
+ *
+ * @return flow classifier name
+ */
+ String flowclassifierName();
+
+ /**
+ * Returns flow classifier description.
+ *
+ * @return flow classifier description
+ */
+ String flowClassifierDescription();
+
+ /**
+ * Returns ethernet type.
+ *
+ * @return ethernet type
+ */
+ String etherType();
+
+ /**
+ * Returns IP Protocol.
+ *
+ * @return IP protocol
+ */
+ String ipProtocol();
+
+ /**
+ * Returns minimum source port range.
+ *
+ * @return minimum source port range
+ */
+ int minSrcPortRange();
+
+ /**
+ * Returns maximum source port range.
+ *
+ * @return maximum source port range
+ */
+ int maxSrcPortRange();
+
+ /**
+ * Returns minimum destination port range.
+ *
+ * @return minimum destination port range
+ */
+ int minDstPortRange();
+
+ /**
+ * Returns maximum destination port range.
+ *
+ * @return maximum destination port range.
+ */
+ int maxDstPortRange();
+
+ /**
+ * Returns Source IP prefix.
+ *
+ * @return Source IP prefix
+ */
+ IpPrefix srcIpPrefix();
+
+ /**
+ * Returns Destination IP prefix.
+ *
+ * @return Destination IP prefix
+ */
+ IpPrefix dstIpPrefix();
+
+ /**
+ * Returns Source virtual port.
+ *
+ * @return Source virtual port
+ */
+ VirtualPortId srcVirtualPort();
+
+ /**
+ * Returns Destination virtual port.
+ *
+ * @return Destination virtual port
+ */
+ VirtualPortId dstVirtualPort();
+
+ /**
+ * Returns whether this Flow classifier is an exact match to the
+ * Flow classifier given in the argument.
+ *
+ * @param flowClassifier other flowClassifier to match against
+ * @return true if the flowClassifiers are an exact match, otherwise false
+ */
+ boolean exactMatch(FlowClassifier flowClassifier);
+
+ /**
+ * Builder for flow Classifier.
+ */
+ interface Builder {
+
+ /**
+ * Returns Flow Classifier.
+ *
+ * @return flow classifier.
+ */
+ FlowClassifier build();
+
+ /**
+ * Sets Flow Classifier ID.
+ *
+ * @param flowClassifierId flow classifier id.
+ * @return Builder object by setting flow classifier Id.
+ */
+ Builder setFlowClassifierId(FlowClassifierId flowClassifierId);
+
+ /**
+ * Sets Tenant ID.
+ *
+ * @param tenantId tenant id.
+ * @return Builder object by setting Tenant ID.
+ */
+ Builder setTenantId(TenantId tenantId);
+
+ /**
+ * Sets Flow classifier name.
+ *
+ * @param name flow classifier name
+ * @return builder object by setting flow classifier name
+ */
+ Builder setFlowClassifierName(String name);
+
+ /**
+ * Sets flow classifier description.
+ *
+ * @param description flow classifier description
+ * @return flow classifier description
+ */
+ Builder setFlowClassifierDescription(String description);
+
+ /**
+ * Sets Ehternet type.
+ *
+ * @param etherType ethernet type
+ * @return ethernet type
+ */
+ Builder setEtherType(String etherType);
+
+ /**
+ * Sets IP protocol.
+ *
+ * @param protocol IP protocol
+ * @return builder object by setting IP protocol
+ */
+ Builder setIpProtocol(String protocol);
+
+ /**
+ * Set minimum source port range.
+ *
+ * @param minRange minimum source port range
+ * @return builder object by setting minimum source port range
+ */
+ Builder setMinSrcPortRange(int minRange);
+
+ /**
+ * Sets maximum source port range.
+ *
+ * @param maxRange maximum source port range
+ * @return builder object by setting maximum source port range
+ */
+ Builder setMaxSrcPortRange(int maxRange);
+
+ /**
+ * Sets minimum destination port range.
+ *
+ * @param minRange minimum destination port range
+ * @return builder object by setting minimum destination port range
+ */
+ Builder setMinDstPortRange(int minRange);
+
+ /**
+ * Sets maximum destination port range.
+ *
+ * @param maxRange maximum destination port range.
+ * @return builder object by setting maximum destination port range.
+ */
+ Builder setMaxDstPortRange(int maxRange);
+
+ /**
+ * Sets Source IP prefix.
+ *
+ * @param srcIpPrefix Source IP prefix
+ * @return builder object by setting Source IP prefix
+ */
+ Builder setSrcIpPrefix(IpPrefix srcIpPrefix);
+
+ /**
+ * Sets Destination IP prefix.
+ *
+ * @param dstIpPrefix Destination IP prefix
+ * @return builder object by setting Destination IP prefix
+ */
+ Builder setDstIpPrefix(IpPrefix dstIpPrefix);
+
+ /**
+ * Sets Source virtual port.
+ *
+ * @param srcPort Source virtual port
+ * @return builder object by setting Source virtual port
+ */
+ Builder setSrcVirtualPort(VirtualPortId srcPort);
+
+ /**
+ * Sets Destination virtual port.
+ *
+ * @param dstPort Destination virtual port
+ * @return builder object by setting Destination virtual port
+ */
+ Builder setDstVirtualPort(VirtualPortId dstPort);
+ }
+}
diff --git a/framework/patches/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/sfc/FlowClassifierId.java b/framework/patches/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/sfc/FlowClassifierId.java
new file mode 100644
index 00000000..d0f03959
--- /dev/null
+++ b/framework/patches/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/sfc/FlowClassifierId.java
@@ -0,0 +1,71 @@
+/*
+ * 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.vtnrsc.sfc;
+
+import java.util.Objects;
+import java.util.UUID;
+import com.google.common.base.MoreObjects;
+
+/**
+ * flow classification identifier.
+ */
+public final class FlowClassifierId {
+
+ private final UUID flowClassifierId;
+
+ /**
+ * Constructor to create flow classifier id.
+ *
+ * @param flowClassifierId flow classifier id.
+ */
+ private FlowClassifierId(final UUID flowClassifierId) {
+ this.flowClassifierId = flowClassifierId;
+ }
+
+ /**
+ * Returns new flow classifier id.
+ *
+ * @param flowClassifierId flow classifier id
+ * @return new flow classifier id
+ */
+ public static FlowClassifierId flowClassifierId(final UUID flowClassifierId) {
+ return new FlowClassifierId(flowClassifierId);
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hashCode(this.flowClassifierId);
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj instanceof FlowClassifierId) {
+ final FlowClassifierId other = (FlowClassifierId) obj;
+ return Objects.equals(this.flowClassifierId, other.flowClassifierId);
+ }
+ return false;
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(getClass())
+ .add("FlowClassifierId", flowClassifierId)
+ .toString();
+ }
+}
diff --git a/framework/patches/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/sfc/PortPair.java b/framework/patches/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/sfc/PortPair.java
new file mode 100644
index 00000000..e3df941d
--- /dev/null
+++ b/framework/patches/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/sfc/PortPair.java
@@ -0,0 +1,140 @@
+/*
+ * 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.vtnrsc.sfc;
+
+import org.onosproject.vtnrsc.TenantId;
+
+/**
+ * Abstraction of an entity providing Port Pair information.
+ * A port pair represents a service function instance.
+ */
+public interface PortPair {
+
+ /**
+ * Returns the ID of this port Pair.
+ *
+ * @return the port pair id
+ */
+ PortPairId portPairId();
+
+ /**
+ * Returns the tenant id of this port pair.
+ *
+ * @return an tenant id
+ */
+ TenantId tenantId();
+
+ /**
+ * Returns the description of this port pair.
+ *
+ * @return description of port pair
+ */
+ String name();
+
+ /**
+ * Returns the description of this port pair.
+ *
+ * @return description of port pair
+ */
+ String description();
+
+ /**
+ * Returns the ingress port of this port pair.
+ *
+ * @return ingress of port pair
+ */
+ String ingress();
+
+ /**
+ * Returns the egress port of this port pair.
+ *
+ * @return egress of port pair
+ */
+ String egress();
+
+ /**
+ * Returns whether this port pair is an exact match to the port pair given
+ * in the argument.
+ * <p>
+ * Exact match means the Port port pairs match with the given port pair.
+ * It does not consider the port pair id, name and description.
+ * </p>
+ * @param portPair other port pair to match against
+ * @return true if the port pairs are an exact match, otherwise false
+ */
+ boolean exactMatch(PortPair portPair);
+
+ /**
+ * A port pair builder..
+ */
+ interface Builder {
+
+ /**
+ * Assigns the port pair id to this object.
+ *
+ * @param portPairId the port pair id
+ * @return this the builder object
+ */
+ Builder setId(PortPairId portPairId);
+
+ /**
+ * Assigns tenant id to this object.
+ *
+ * @param tenantId tenant id of the port pair
+ * @return this the builder object
+ */
+ Builder setTenantId(TenantId tenantId);
+
+ /**
+ * Assigns the name to this object.
+ *
+ * @param name name of the port pair
+ * @return this the builder object
+ */
+ Builder setName(String name);
+
+ /**
+ * Assigns the description to this object.
+ *
+ * @param description description of the port pair
+ * @return this the builder object
+ */
+ Builder setDescription(String description);
+
+ /**
+ * Assigns the ingress port to this object.
+ *
+ * @param port ingress port of the port pair
+ * @return this the builder object
+ */
+ Builder setIngress(String port);
+
+ /**
+ * Assigns the egress port to this object.
+ *
+ * @param port egress port of the port pair
+ * @return this the builder object
+ */
+ Builder setEgress(String port);
+
+ /**
+ * Builds a port pair object.
+ *
+ * @return a port pair.
+ */
+ PortPair build();
+ }
+}
diff --git a/framework/patches/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/sfc/PortPairId.java b/framework/patches/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/sfc/PortPairId.java
new file mode 100644
index 00000000..0209c23e
--- /dev/null
+++ b/framework/patches/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/sfc/PortPairId.java
@@ -0,0 +1,92 @@
+/*
+ * 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.vtnrsc.sfc;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import java.util.UUID;
+
+import com.google.common.base.Objects;
+
+/**
+ * Representation of a Port Pair ID.
+ */
+public final class PortPairId {
+
+ private final UUID portPairId;
+
+ /**
+ * Private constructor for port pair id.
+ *
+ * @param id UUID id of port pair
+ */
+ private PortPairId(UUID id) {
+ checkNotNull(id, "Port chain id can not be null");
+ this.portPairId = id;
+ }
+
+ /**
+ * Constructor to create port pair id from UUID.
+ *
+ * @param id UUID of port pair id
+ * @return object of port pair id
+ */
+ public static PortPairId portPairId(UUID id) {
+ return new PortPairId(id);
+ }
+
+ /**
+ * Constructor to create port pair id from string.
+ *
+ * @param id port pair id in string
+ * @return object of port pair id
+ */
+ public static PortPairId portPairId(String id) {
+ return new PortPairId(UUID.fromString(id));
+ }
+
+ /**
+ * Returns teh value of port pair id.
+ *
+ * @return port pair id
+ */
+ public UUID value() {
+ return portPairId;
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+
+ if (obj.getClass() == this.getClass()) {
+ PortPairId that = (PortPairId) obj;
+ return Objects.equal(this.portPairId, that.portPairId);
+ }
+ return false;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hashCode(this.portPairId);
+ }
+
+ @Override
+ public String toString() {
+ return portPairId.toString();
+ }
+}
diff --git a/framework/patches/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/sfc/package-info.java b/framework/patches/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/sfc/package-info.java
new file mode 100644
index 00000000..4fbcfd29
--- /dev/null
+++ b/framework/patches/onos/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/sfc/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.
+ */
+
+/**
+ * Service for interacting with SFC.
+ */
+package org.onosproject.vtnrsc.sfc;