diff options
Diffstat (limited to 'it/jvpp-benchmark/src/main/java/io/fd/hc2vpp/it/jvpp/benchmark/AclProviderImpl.java')
| -rw-r--r-- | it/jvpp-benchmark/src/main/java/io/fd/hc2vpp/it/jvpp/benchmark/AclProviderImpl.java | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/it/jvpp-benchmark/src/main/java/io/fd/hc2vpp/it/jvpp/benchmark/AclProviderImpl.java b/it/jvpp-benchmark/src/main/java/io/fd/hc2vpp/it/jvpp/benchmark/AclProviderImpl.java new file mode 100644 index 000000000..4a39becad --- /dev/null +++ b/it/jvpp-benchmark/src/main/java/io/fd/hc2vpp/it/jvpp/benchmark/AclProviderImpl.java @@ -0,0 +1,97 @@ +/* + * Copyright (c) 2018 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.it.jvpp.benchmark; + +import io.fd.vpp.jvpp.acl.dto.AclAddReplace; +import io.fd.vpp.jvpp.acl.types.AclRule; +import javax.annotation.concurrent.NotThreadSafe; + +@NotThreadSafe +class AclProviderImpl implements AclProvider { + private static final int CREATE_NEW_ACL = -1; + private static final short MAX_PORT_NUMBER = (short) 65535; + + private final int aclSetSize; + private final AclAddReplace[] acls; + + /** + * Pointer to ACL to be returned by invocation of {@link #next()} method. + */ + private int currentAcl = 0; + + AclProviderImpl(final int aclSetSize, final int aclSize) { + this.aclSetSize = aclSetSize; + acls = new AclAddReplace[aclSetSize]; + initAcls(aclSetSize, aclSize); + } + + @Override + public AclAddReplace next() { + final AclAddReplace result = acls[currentAcl]; + currentAcl = (currentAcl + 1) % aclSetSize; + return result; + } + + @Override + public void setAclIndex(final int index) { + for (int i = 0; i < aclSetSize; ++i) { + acls[i].aclIndex = index; + } + } + + private void initAcls(final int aclSetSize, final int aclSize) { + long ip = 0x01000000; // 1.0.0.0 + for (int i = 0; i < aclSetSize; ++i) { + acls[i] = createAddReplaceRequest(aclSize, CREATE_NEW_ACL, (int) (ip++)); + } + } + + private static AclAddReplace createAddReplaceRequest(final int size, final int index, final int ip) { + AclAddReplace request = new AclAddReplace(); + request.aclIndex = index; + request.count = size; + request.r = createRules(size, ip); + return request; + } + + private static AclRule[] createRules(final int size, final int ip) { + final AclRule[] rules = new AclRule[size]; + for (int i = 0; i < size; ++i) { + rules[i] = new AclRule(); + rules[i].isIpv6 = 0; + rules[i].isPermit = 1; + rules[i].srcIpAddr = getIp(ip); + rules[i].srcIpPrefixLen = 32; + rules[i].dstIpAddr = getIp(ip); + rules[i].dstIpPrefixLen = 32; + rules[i].dstportOrIcmpcodeFirst = 0; + rules[i].dstportOrIcmpcodeLast = MAX_PORT_NUMBER; + rules[i].srcportOrIcmptypeFirst = 0; + rules[i].srcportOrIcmptypeLast = MAX_PORT_NUMBER; + rules[i].proto = 17; // UDP + } + return rules; + } + + private static byte[] getIp(final int i) { + int b1 = (i >> 24) & 0xff; + int b2 = (i >> 16) & 0xff; + int b3 = (i >> 8) & 0xff; + int b4 = i & 0xff; + return new byte[] {(byte) b1, (byte) b2, (byte) b3, (byte) b4}; + } +}
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