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/*
* 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.v3po.translate.v3po.utils;
import com.google.common.base.Preconditions;
import com.google.common.base.Splitter;
import com.google.common.collect.BiMap;
import com.google.common.collect.HashBiMap;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev140508.EthernetCsmacd;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev140508.SoftwareLoopback;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4AddressNoZone;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfaceType;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VxlanTunnel;
import org.openvpp.vppjapi.vppApi;
public final class V3poUtils {
// TODO move to vpp-translate-utils
public static final int RESPONSE_NOT_READY = -77;
public static final int RELEASE = 1;
public static final Splitter DOT_SPLITTER = Splitter.on('.');
public static final BiMap<String, Class<? extends InterfaceType>> IFC_TYPES = HashBiMap.create();
static {
V3poUtils.IFC_TYPES.put("vxlan", VxlanTunnel.class);
V3poUtils.IFC_TYPES.put("lo", SoftwareLoopback.class);
V3poUtils.IFC_TYPES.put("Ether", EthernetCsmacd.class);
// TODO missing types below
// V3poUtils.IFC_TYPES.put("l2tpv3_tunnel", EthernetCsmacd.class);
// V3poUtils.IFC_TYPES.put("tap", EthernetCsmacd.class);
}
private V3poUtils() {}
public static int waitForResponse(final int ctxId, final vppApi vppApi) {
int rv;
while ((rv = vppApi.getRetval(ctxId, RELEASE)) == RESPONSE_NOT_READY) {
// TODO limit attempts
}
return rv;
}
public static int parseIp(final String address) {
int result = 0;
// iterate over each octet
for (String part : DOT_SPLITTER.split(address)) {
// shift the previously parsed bits over by 1 byte
result = result << 8;
// set the low order bits to the current octet
result |= Integer.parseInt(part);
}
return result;
}
public static byte[] ipv4AddressNoZoneToArray(final Ipv4AddressNoZone ipv4Addr) {
byte[] retval = new byte[4];
String[] dots = ipv4Addr.getValue().split("\\.");
for (int d = 3; d >= 0; d--) {
retval[d] = (byte) (Short.parseShort(dots[3 - d]) & 0xff);
}
return retval;
}
/**
* Removes zone index from Ipv4Address.
* @param ipv4Addr ipv4 address which can contain zone index
* @return ipv4 address without zone index
*/
@Nonnull
public static Ipv4AddressNoZone removeIpv4AddressNoZone(@Nonnull final Ipv4Address ipv4Addr) {
Preconditions.checkNotNull(ipv4Addr, "ipv4Addr should not be null");
if (ipv4Addr instanceof Ipv4AddressNoZone) {
return (Ipv4AddressNoZone)ipv4Addr;
} else {
String value = ipv4Addr.getValue();
final int index = value.indexOf('%');
if (index != -1) {
value = value.substring(0, index);
}
return new Ipv4AddressNoZone(value);
}
}
}
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