bgp/parser-impl/src/main/java/org/opendaylight/protocol/bgp/parser/impl/message/open/GracefulCapabilityHandler.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.protocol.bgp.parser.impl.message.open;
   9
  10 import org.opendaylight.protocol.bgp.parser.spi.CapabilitySerializer;
  11 import org.opendaylight.protocol.bgp.parser.spi.CapabilityUtil;
  12 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130918.open.bgp.parameters.CParameters;
  13
  14 final class GracefulCapabilityHandler implements CapabilitySerializer {
  15         static final int CODE = 64;
  16
  17         private static final int RESTART_FLAGS_SIZE = 4; // bits
  18         private static final int TIMER_SIZE = 12; // bits
  19         private static final int AFI_SIZE = 2; // bytes
  20         private static final int SAFI_SIZE = 1; // bytes
  21         private static final int AF_FLAGS_SIZE = 1; // bytes
  22
  23         @Override
  24         public byte[] serializeCapability(final CParameters capability) {
  25                 final byte[] bytes = null;
  26
  27                 // final GracefulCapability param = (GracefulCapability) capability;
  28                 // final byte[] bytes = new byte[(RESTART_FLAGS_SIZE + TIMER_SIZE + (AFI_SIZE * Byte.SIZE + SAFI_SIZE * Byte.SIZE +
  29                 // AF_FLAGS_SIZE
  30                 // * Byte.SIZE)
  31                 // * param.getTableTypes().size())
  32                 // / Byte.SIZE];
  33                 // if (param.isRestartFlag()) {
  34                 // bytes[0] = (byte) 0x80;
  35                 // }
  36                 // int index = (RESTART_FLAGS_SIZE + TIMER_SIZE) / Byte.SIZE;
  37                 // for (final Entry<BGPTableType, Boolean> entry : param.getTableTypes().entrySet()) {
  38                 // final byte[] a = putAfi(entry.getKey().getAddressFamily());
  39                 // final byte s = putSafi(entry.getKey().getSubsequentAddressFamily());
  40                 // final byte f = (entry.getValue()) ? (byte) 0x80 : (byte) 0x00;
  41                 // System.arraycopy(a, 0, bytes, index, AFI_SIZE);
  42                 // index += AFI_SIZE;
  43                 // bytes[index] = s;
  44                 // index += SAFI_SIZE;
  45                 // bytes[index] = f;
  46                 // index += AF_FLAGS_SIZE;
  47                 // }
  48
  49                 return CapabilityUtil.formatCapability(CODE, bytes);
  50         }
  51
  52 }