diff options
Diffstat (limited to 'v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/acl/common/PortPair.java')
-rw-r--r-- | v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/acl/common/PortPair.java | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/acl/common/PortPair.java b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/acl/common/PortPair.java deleted file mode 100644 index 1630f58fd..000000000 --- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/acl/common/PortPair.java +++ /dev/null @@ -1,126 +0,0 @@ -/* - * Copyright (c) 2016 Cisco and/or its affiliates. - * - * 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 io.fd.hc2vpp.v3po.interfaces.acl.common; - -import java.util.ArrayList; -import java.util.List; -import java.util.Objects; -import java.util.function.BiFunction; -import javax.annotation.Nullable; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.PortNumber; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.packet.fields.rev160708.acl.transport.header.fields.DestinationPortRange; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.packet.fields.rev160708.acl.transport.header.fields.SourcePortRange; - -/** - * Utility that produces cartesian product out of src and dst port ranges (used to translate ranges into - * list of classify sessions). - */ -final class PortPair { - private final Integer src; - private final Integer dst; - - PortPair(@Nullable final Integer src, @Nullable final Integer dst) { - this.src = src; - this.dst = dst; - } - - Integer getSrc() { - return src; - } - - Integer getDst() { - return dst; - } - - @Override - public String toString() { - return "(" + src + "," + dst + ")"; - } - - @Override - public boolean equals(final Object o) { - if (this == o) { - return true; - } - if (o == null || getClass() != o.getClass()) { - return false; - } - - final PortPair that = (PortPair) o; - if (!Objects.equals(src, that.src)) { - return false; - } - if (!Objects.equals(dst, that.dst)) { - return false; - } - return true; - } - - @Override - public int hashCode() { - return Objects.hash(src, dst); - } - - static List<PortPair> fromRange(final SourcePortRange srcRange, - final DestinationPortRange dstRange) { - final List<PortPair> result = new ArrayList<>(); - if (srcRange == null && dstRange == null) { - result.add(new PortPair(null, null)); - } else if (srcRange != null && dstRange == null) { - processSingleRange(result, srcRange.getLowerPort(), srcRange.getUpperPort(), PortPair::new); - } else if (srcRange == null && dstRange != null) { - processSingleRange(result, dstRange.getLowerPort(), dstRange.getUpperPort(), - (dst, src) -> new PortPair(src, dst)); - } else { - processDoubleRange(result, srcRange, dstRange); - } - return result; - } - - private static void processSingleRange(final List<PortPair> result, - final PortNumber lowerPort, - final PortNumber upperPort, - final BiFunction<Integer, Integer, PortPair> f) { - int low = lowerPort.getValue(); // mandatory - int hi = low; - if (upperPort != null) { - hi = upperPort.getValue(); - } - for (; low <= hi; ++low) { - result.add(f.apply(low, null)); - } - } - - private static void processDoubleRange(final List<PortPair> result, final SourcePortRange srcRange, - final DestinationPortRange dstRange) { - int srcL = srcRange.getLowerPort().getValue(); - int srcH = srcL; - if (srcRange.getUpperPort() != null) { - srcH = srcRange.getUpperPort().getValue(); - } - int dstL = dstRange.getLowerPort().getValue(); - int dstH = dstL; - if (dstRange.getUpperPort() != null) { - dstH = dstRange.getUpperPort().getValue(); - } - for (int i=srcL; i <= srcH; ++i) { - for (int j=dstL; j <= dstH; ++j) { - result.add(new PortPair(i, j)); - } - } - } -} |