diff options
author | Maros Marsalek <mmarsale@cisco.com> | 2016-07-29 16:27:12 +0200 |
---|---|---|
committer | Maros Marsalek <mmarsale@cisco.com> | 2016-07-29 16:32:17 +0200 |
commit | 599944605bb0ad58b30eca8a5723609f8dc2cada (patch) | |
tree | a2300f3d1f197e5c64ab2ae37d8d3d06d591bd26 /vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/TagRewriteOperation.java | |
parent | 81c9cdfa5a9e91b91d73a6a2b20cff8b612d7de3 (diff) |
HONEYCOMB-130: Rename infra packages(remove vpp/v3po)
Change-Id: Ic5b90e397e3743623d01b206bc60bc5c7df6b981
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>
Diffstat (limited to 'vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/TagRewriteOperation.java')
-rw-r--r-- | vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/TagRewriteOperation.java | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/TagRewriteOperation.java b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/TagRewriteOperation.java new file mode 100644 index 000000000..7958aff06 --- /dev/null +++ b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/TagRewriteOperation.java @@ -0,0 +1,86 @@ +/* + * 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.honeycomb.translate.v3po.util; + +import com.google.common.base.Preconditions; +import com.google.common.primitives.UnsignedBytes; +import javax.annotation.Nonnegative; +import javax.annotation.Nullable; + +/** + * Defines vlan tag rewrite config options for VPP + * + * TODO corresponding enum (defined in l2_vtr.h) should be defined in vpe.api + * (does vpp's IDL support enum type definition?) + * which would allow to generate this class in jvpp + */ +public enum TagRewriteOperation { + disabled(0), + push_1(0), + push_2(0), + pop_1(1), + pop_2(2), + translate_1_to_1(1), + translate_1_to_2(1), + translate_2_to_1(2), + translate_2_to_2(2); + + private final static int MAX_INDEX = 3; + private final int code; + private final byte popTags; + + TagRewriteOperation(final int popTags) { + this.code = this.ordinal(); + this.popTags = UnsignedBytes.checkedCast(popTags); + } + + private static TagRewriteOperation[][] translation = new TagRewriteOperation[][] { + {disabled, push_1, push_2}, + {pop_1, translate_1_to_1, translate_1_to_2}, + {pop_2, translate_2_to_1, translate_2_to_2} + }; + + /** + * Returns VPP tag rewrite operation for given number of tags to pop and tags to push. + * @param toPop number of tags to pop (0..2) + * @param toPush number of tags to push (0..2) + * @return vpp tag rewrite operation for given input parameters + */ + public static TagRewriteOperation get(@Nonnegative final int toPop, @Nonnegative final int toPush) { + Preconditions.checkElementIndex(toPop, MAX_INDEX, "Illegal number of tags to pop"); + Preconditions.checkElementIndex(toPush, MAX_INDEX, "Illegal number of tags to push"); + return translation[toPop][toPush]; + } + + /** + * Returns VPP tag rewrite operation for given operation code. + * @param code VPP tag rewrite operation code + * @return vpp tag rewrite operation for given input parameter + */ + @Nullable + public static TagRewriteOperation get(@Nonnegative final int code) { + for (TagRewriteOperation operation : TagRewriteOperation.values()) { + if (code == operation.code){ + return operation; + } + } + return null; + } + + public byte getPopTags() { + return popTags; + } +} |