diff options
Diffstat (limited to 'framework/src/onos/core/api/src/main/java/org/onosproject/net/flow/criteria/TcpFlagsCriterion.java')
-rw-r--r-- | framework/src/onos/core/api/src/main/java/org/onosproject/net/flow/criteria/TcpFlagsCriterion.java | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/framework/src/onos/core/api/src/main/java/org/onosproject/net/flow/criteria/TcpFlagsCriterion.java b/framework/src/onos/core/api/src/main/java/org/onosproject/net/flow/criteria/TcpFlagsCriterion.java new file mode 100644 index 00000000..e0b53958 --- /dev/null +++ b/framework/src/onos/core/api/src/main/java/org/onosproject/net/flow/criteria/TcpFlagsCriterion.java @@ -0,0 +1,75 @@ +/* + * 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 TCP flags criterion (12 bits unsigned integer). + */ +public final class TcpFlagsCriterion implements Criterion { + private static final int MASK = 0xfffff; + private final int flags; // TCP flags: 12 bits + + /** + * Constructor. + * + * @param flags the TCP flags to match (12 bits) + */ + TcpFlagsCriterion(int flags) { + this.flags = flags & MASK; + } + + @Override + public Type type() { + return Type.TCP_FLAGS; + } + + /** + * Gets the TCP flags to match. + * + * @return the TCP flags to match (12 bits) + */ + public int flags() { + return flags; + } + + @Override + public String toString() { + return toStringHelper(type().toString()) + .add("flags", Long.toHexString(flags)).toString(); + } + + @Override + public int hashCode() { + return Objects.hash(type().ordinal(), flags); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj instanceof TcpFlagsCriterion) { + TcpFlagsCriterion that = (TcpFlagsCriterion) obj; + return Objects.equals(flags, that.flags) && + Objects.equals(this.type(), that.type()); + } + return false; + } +} |