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authorMarek Gradzki <mgradzki@cisco.com>2017-01-19 09:54:45 +0100
committerMarek Gradzki <mgradzki@cisco.com>2017-01-19 09:54:45 +0100
commitbf5707db440d320642090e10fab56233e2399e0f (patch)
treece63a2237d7ce888cb484a595afd4a41d1455548 /vpp-common/vpp-translate-utils
parent3b11d9eb878b29825a2e8111d1c520ef3acddc7a (diff)
HONEYCOMB-339: fix ip6 address string to byte conversion
Change-Id: I8c1d20b2be23bce27903b9d4149f59d3b83aacaa Signed-off-by: Marek Gradzki <mgradzki@cisco.com>
Diffstat (limited to 'vpp-common/vpp-translate-utils')
-rw-r--r--vpp-common/vpp-translate-utils/src/main/java/io/fd/hc2vpp/common/translate/util/Ipv6Translator.java50
-rw-r--r--vpp-common/vpp-translate-utils/src/test/java/io/fd/hc2vpp/common/translate/util/Ipv6TranslatorTest.java12
2 files changed, 31 insertions, 31 deletions
diff --git a/vpp-common/vpp-translate-utils/src/main/java/io/fd/hc2vpp/common/translate/util/Ipv6Translator.java b/vpp-common/vpp-translate-utils/src/main/java/io/fd/hc2vpp/common/translate/util/Ipv6Translator.java
index 396391dd7..c4a4ba38e 100644
--- a/vpp-common/vpp-translate-utils/src/main/java/io/fd/hc2vpp/common/translate/util/Ipv6Translator.java
+++ b/vpp-common/vpp-translate-utils/src/main/java/io/fd/hc2vpp/common/translate/util/Ipv6Translator.java
@@ -24,10 +24,7 @@ import com.google.common.net.InetAddresses;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.Arrays;
-import java.util.List;
-import java.util.stream.Collectors;
import javax.annotation.Nonnull;
-import org.apache.commons.lang3.StringUtils;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpPrefix;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Address;
@@ -39,32 +36,14 @@ import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.
*/
public interface Ipv6Translator extends ByteDataTranslator {
- default byte[] ipv6AddressNoZoneToArray(@Nonnull final String address) {
- byte[] retval = new byte[16];
-
- //splits address and add ommited zeros for easier parsing
- List<String> segments = Arrays.asList(address.split(":"))
- .stream()
- .map(segment -> StringUtils.repeat('0', 4 - segment.length()) + segment)
- .collect(Collectors.toList());
-
- byte index = 0;
- for (String segment : segments) {
-
- String firstPart = segment.substring(0, 2);
- String secondPart = segment.substring(2);
-
- //first part should be ommited
- if ("00".equals(firstPart)) {
- index++;
- } else {
- retval[index++] = ((byte) Short.parseShort(firstPart, 16));
- }
-
- retval[index++] = ((byte) Short.parseShort(secondPart, 16));
- }
-
- return retval;
+ /**
+ * Transform Ipv6 address to a byte array acceptable by VPP. VPP expects incoming byte array to be in the same order
+ * as the address.
+ *
+ * @return byte array with address bytes
+ */
+ default byte[] ipv6AddressNoZoneToArray(@Nonnull final Ipv6Address address) {
+ return Impl.ipv6AddressNoZoneToArray(address.getValue());
}
/**
@@ -74,7 +53,7 @@ public interface Ipv6Translator extends ByteDataTranslator {
* @return byte array with address bytes
*/
default byte[] ipv6AddressNoZoneToArray(@Nonnull final Ipv6AddressNoZone ipv6Addr) {
- return ipv6AddressNoZoneToArray(ipv6Addr.getValue());
+ return Impl.ipv6AddressNoZoneToArray(ipv6Addr.getValue());
}
/**
@@ -163,4 +142,15 @@ public interface Ipv6Translator extends ByteDataTranslator {
"Cannot create prefix for address[" + Arrays.toString(address) + "],prefix[" + prefix + "]");
}
}
+
+ class Impl {
+ private static byte[] ipv6AddressNoZoneToArray(@Nonnull final String address){
+ try {
+ // No lookup performed for literal ipv6 addresses
+ return InetAddress.getByName(address).getAddress();
+ } catch (UnknownHostException e) {
+ throw new IllegalArgumentException("Invalid address supplied", e);
+ }
+ }
+ }
}
diff --git a/vpp-common/vpp-translate-utils/src/test/java/io/fd/hc2vpp/common/translate/util/Ipv6TranslatorTest.java b/vpp-common/vpp-translate-utils/src/test/java/io/fd/hc2vpp/common/translate/util/Ipv6TranslatorTest.java
index 1099f6809..a620cbdd2 100644
--- a/vpp-common/vpp-translate-utils/src/test/java/io/fd/hc2vpp/common/translate/util/Ipv6TranslatorTest.java
+++ b/vpp-common/vpp-translate-utils/src/test/java/io/fd/hc2vpp/common/translate/util/Ipv6TranslatorTest.java
@@ -28,7 +28,17 @@ public class Ipv6TranslatorTest implements Ipv6Translator {
public void testIpv6NoZone() {
final Ipv6AddressNoZone ipv6Addr = new Ipv6AddressNoZone("3ffe:1900:4545:3:200:f8ff:fe21:67cf");
byte[] bytes = ipv6AddressNoZoneToArray(ipv6Addr);
- assertEquals((byte) 63, bytes[0]);
+ assertEquals((byte) 0x3f, bytes[0]);
+ final Ipv6AddressNoZone ivp6AddressNoZone = arrayToIpv6AddressNoZone(bytes);
+ assertEquals(ipv6Addr, ivp6AddressNoZone);
+ }
+
+ @Test
+ public void testIpv6NoZoneEmptyGroup() {
+ final Ipv6AddressNoZone ipv6Addr = new Ipv6AddressNoZone("10::10");
+ byte[] bytes = ipv6AddressNoZoneToArray(ipv6Addr);
+ assertEquals((byte) 0, bytes[0]);
+ assertEquals((byte) 0x10, bytes[1]);
final Ipv6AddressNoZone ivp6AddressNoZone = arrayToIpv6AddressNoZone(bytes);
assertEquals(ipv6Addr, ivp6AddressNoZone);
}