diff options
Diffstat (limited to 'v3po/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/TranslateUtils.java')
-rw-r--r-- | v3po/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/TranslateUtils.java | 225 |
1 files changed, 0 insertions, 225 deletions
diff --git a/v3po/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/TranslateUtils.java b/v3po/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/TranslateUtils.java deleted file mode 100644 index 1a6a50133..000000000 --- a/v3po/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/TranslateUtils.java +++ /dev/null @@ -1,225 +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.honeycomb.v3po.translate.v3po.util; - -import static com.google.common.base.Preconditions.checkArgument; - -import com.google.common.base.Splitter; -import com.google.common.net.InetAddresses; -import java.net.UnknownHostException; -import java.util.Arrays; -import java.util.List; -import java.util.concurrent.ExecutionException; -import java.util.concurrent.Future; -import java.util.concurrent.TimeUnit; -import java.util.concurrent.TimeoutException; -import java.util.function.BiConsumer; -import javax.annotation.Nonnegative; -import javax.annotation.Nonnull; -import javax.annotation.Nullable; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4AddressNoZone; -import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; -import org.openvpp.jvpp.VppBaseCallException; -import org.openvpp.jvpp.dto.JVppReply; - -public final class TranslateUtils { - - public static final Splitter COLON_SPLITTER = Splitter.on(':'); - public static final int DEFAULT_TIMEOUT_IN_SECONDS = 5; - - private TranslateUtils() { - } - - public static <REP extends JVppReply<?>> REP getReplyForWrite(@Nonnull Future<REP> future, - @Nonnull final InstanceIdentifier<?> replyType) - throws VppBaseCallException, WriteTimeoutException { - return getReplyForWrite(future, replyType, DEFAULT_TIMEOUT_IN_SECONDS); - } - - public static <REP extends JVppReply<?>> REP getReplyForWrite(@Nonnull Future<REP> future, - @Nonnull final InstanceIdentifier<?> replyType, - @Nonnegative final int timeoutInSeconds) - throws VppBaseCallException, WriteTimeoutException { - try { - return getReply(future, timeoutInSeconds); - } catch (TimeoutException e) { - throw new WriteTimeoutException(replyType, e); - } - } - - public static <REP extends JVppReply<?>> REP getReplyForRead(@Nonnull Future<REP> future, - @Nonnull final InstanceIdentifier<?> replyType) - throws VppBaseCallException, ReadTimeoutException { - return getReplyForRead(future, replyType, DEFAULT_TIMEOUT_IN_SECONDS); - } - - public static <REP extends JVppReply<?>> REP getReplyForRead(@Nonnull Future<REP> future, - @Nonnull final InstanceIdentifier<?> replyType, - @Nonnegative final int timeoutInSeconds) - throws VppBaseCallException, ReadTimeoutException { - try { - return getReply(future, timeoutInSeconds); - } catch (TimeoutException e) { - throw new ReadTimeoutException(replyType, e); - } - } - - public static <REP extends JVppReply<?>> REP getReply(@Nonnull Future<REP> future) - throws TimeoutException, VppBaseCallException { - return getReply(future, DEFAULT_TIMEOUT_IN_SECONDS); - } - - public static <REP extends JVppReply<?>> REP getReply(@Nonnull Future<REP> future, - @Nonnegative final int timeoutInSeconds) - throws TimeoutException, VppBaseCallException { - try { - checkArgument(timeoutInSeconds > 0, "Timeout cannot be < 0"); - return future.get(timeoutInSeconds, TimeUnit.SECONDS); - } catch (InterruptedException e) { - Thread.currentThread().interrupt(); - throw new IllegalStateException("Interrupted", e); - } catch (ExecutionException e) { - // Execution exception could generally contains any exception - // when using exceptions instead of return codes just rethrow it for processing on corresponding place - if (e instanceof ExecutionException && (e.getCause() instanceof VppBaseCallException)) { - throw (VppBaseCallException) (e.getCause()); - } - throw new IllegalStateException(e); - } - } - - /** - * Transform Ipv4 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 - */ - public static byte[] ipv4AddressNoZoneToArray(final Ipv4AddressNoZone ipv4Addr) { - byte[] retval = new byte[4]; - String[] dots = ipv4Addr.getValue().split("\\."); - - for (int d = 0; d < 4; d++) { - retval[d] = (byte) (Short.parseShort(dots[d]) & 0xff); - } - return retval; - } - - /** - * Parse byte array returned by VPP representing an Ipv4 address. Vpp returns IP byte arrays in reversed order. - * - * @return Ipv4AddressNoZone containing string representation of IPv4 address constructed from submitted bytes. No - * change in order. - */ - @Nonnull - public static Ipv4AddressNoZone arrayToIpv4AddressNoZone(@Nonnull byte[] ip) { - // VPP sends ipv4 in a 16 byte array - if (ip.length == 16) { - ip = Arrays.copyOfRange(ip, 0, 4); - } - try { - // Not reversing the byte array here!! because the IP coming from VPP is in reversed byte order - // compared to byte order it was submitted - return new Ipv4AddressNoZone(InetAddresses.toAddrString(InetAddresses.fromLittleEndianByteArray(ip))); - } catch (UnknownHostException e) { - throw new IllegalArgumentException("Unable to parse ipv4", e); - } - } - - /** - * Return (interned) string from byte array while removing \u0000. Strings represented as fixed length byte[] from - * vpp contain \u0000. - */ - public static String toString(final byte[] cString) { - return new String(cString).replaceAll("\\u0000", "").intern(); - } - - /** - * Parse string represented mac address (using ":" as separator) into a byte array - */ - @Nonnull - public static byte[] parseMac(@Nonnull final String macAddress) { - final List<String> parts = COLON_SPLITTER.splitToList(macAddress); - checkArgument(parts.size() == 6, "Mac address is expected to have 6 parts but was: %s", macAddress); - return parseMacLikeString(parts); - } - - private static byte[] parseMacLikeString(final List<String> strings) { - return strings.stream().limit(6).map(TranslateUtils::parseHexByte).collect( - () -> new byte[strings.size()], - new BiConsumer<byte[], Byte>() { - - private int i = -1; - - @Override - public void accept(final byte[] bytes, final Byte aByte) { - bytes[++i] = aByte; - } - }, - (bytes, bytes2) -> { - throw new UnsupportedOperationException("Parallel collect not supported"); - }); - } - - public static byte parseHexByte(final String aByte) { - return (byte) Integer.parseInt(aByte, 16); - } - - /** - * Returns 0 if argument is null or false, 1 otherwise. - * - * @param value Boolean value to be converted - * @return byte value equal to 0 or 1 - */ - public static byte booleanToByte(@Nullable final Boolean value) { - return value != null && value - ? (byte) 1 - : (byte) 0; - } - - /** - * Returns Boolean.TRUE if argument is 0, Boolean.FALSE otherwise. - * - * @param value byte value to be converted - * @return Boolean value - * @throws IllegalArgumentException if argument is neither 0 nor 1 - */ - @Nonnull - public static Boolean byteToBoolean(final byte value) { - if (value == 0) { - return Boolean.FALSE; - } else if (value == 1) { - return Boolean.TRUE; - } - throw new IllegalArgumentException(String.format("0 or 1 was expected but was %d", value)); - } - - /** - * Reverses bytes in the byte array - * - * @param bytes input array - * @return reversed array - */ - public static byte[] reverseBytes(final byte[] bytes) { - final byte[] reversed = new byte[bytes.length]; - int i = 1; - for (byte aByte : bytes) { - reversed[bytes.length - i++] = aByte; - } - - return reversed; - } -} |