diff options
Diffstat (limited to 'framework/src/onos/core/api/src/main/java/org/onosproject/net/flow/criteria/IPEcnCriterion.java')
-rw-r--r-- | framework/src/onos/core/api/src/main/java/org/onosproject/net/flow/criteria/IPEcnCriterion.java | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/framework/src/onos/core/api/src/main/java/org/onosproject/net/flow/criteria/IPEcnCriterion.java b/framework/src/onos/core/api/src/main/java/org/onosproject/net/flow/criteria/IPEcnCriterion.java new file mode 100644 index 00000000..48b3fbf6 --- /dev/null +++ b/framework/src/onos/core/api/src/main/java/org/onosproject/net/flow/criteria/IPEcnCriterion.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.net.flow.criteria; + +import java.util.Objects; + +import static com.google.common.base.MoreObjects.toStringHelper; + +/** + * Implementation of IP ECN (Explicit Congestion Notification) criterion + * (2 bits). + */ +public final class IPEcnCriterion implements Criterion { + private static final byte MASK = 0x3; + private final byte ipEcn; // IP ECN value: 2 bits + + /** + * Constructor. + * + * @param ipEcn the IP ECN value to match (2 bits) + */ + IPEcnCriterion(byte ipEcn) { + this.ipEcn = (byte) (ipEcn & MASK); + } + + @Override + public Type type() { + return Type.IP_ECN; + } + + /** + * Gets the IP ECN value to match. + * + * @return the IP ECN value to match (2 bits) + */ + public byte ipEcn() { + return ipEcn; + } + + @Override + public String toString() { + return toStringHelper(type().toString()) + .add("ipEcn", Long.toHexString(ipEcn)).toString(); + } + + @Override + public int hashCode() { + return Objects.hash(type().ordinal(), ipEcn); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj instanceof IPEcnCriterion) { + IPEcnCriterion that = (IPEcnCriterion) obj; + return Objects.equals(ipEcn, that.ipEcn) && + Objects.equals(this.type(), that.type()); + } + return false; + } +} |