Examples with Open org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.Open used on opensource projects

Example 46 with Open

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.Open in project bgpcep by opendaylight.

the class BGPOpenMessageParser method parseMessageBody.

/**
 * Parses given byte array to BGP Open message.
 *
 * @param body byte array representing BGP Open message, without header
 * @param messageLength the length of the message
 * @return {@link Open} BGP Open Message
 * @throws BGPDocumentedException if the parsing was unsuccessful
 */
@Override
public Open parseMessageBody(final ByteBuf body, final int messageLength, final PeerSpecificParserConstraint constraint) throws BGPDocumentedException {
    checkArgument(body != null, "Buffer cannot be null.");
    if (body.readableBytes() < MIN_MSG_LENGTH) {
        throw BGPDocumentedException.badMessageLength("Open message too small.", messageLength);
    }
    final int version = body.readUnsignedByte();
    if (version != BGP_VERSION) {
        throw new BGPDocumentedException("BGP Protocol version " + version + " not supported.", BGPError.VERSION_NOT_SUPPORTED);
    }
    final AsNumber as = new AsNumber(Uint32.valueOf(body.readUnsignedShort()));
    final Uint16 holdTime = ByteBufUtils.readUint16(body);
    if (Uint16.ONE.equals(holdTime) || Uint16.TWO.equals(holdTime)) {
        throw new BGPDocumentedException("Hold time value not acceptable.", BGPError.HOLD_TIME_NOT_ACC);
    }
    final Ipv4AddressNoZone bgpId;
    try {
        bgpId = Ipv4Util.addressForByteBuf(body);
    } catch (final IllegalArgumentException e) {
        throw new BGPDocumentedException("BGP Identifier is not a valid IPv4 Address", BGPError.BAD_BGP_ID, e);
    }
    final int optLength = body.readUnsignedByte();
    final List<BgpParameters> optParams = parseParameters(body.slice(), optLength);
    LOG.debug("BGP Open message was parsed: AS = {}, holdTimer = {}, bgpId = {}, optParams = {}", as, holdTime, bgpId, optParams);
    return new OpenBuilder().setMyAsNumber(Uint16.valueOf(as.getValue())).setHoldTimer(holdTime).setBgpIdentifier(bgpId).setBgpParameters(optParams).build();
}

Example 47 with Open

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.Open in project bgpcep by opendaylight.

the class BGPOpenMessageParser method serializeMessage.

/**
 * Serializes given BGP Open message to byte array, without the header.
 *
 * @param msg BGP Open message to be serialized.
 * @param bytes ByteBuf where the message will be serialized
 */
@Override
public void serializeMessage(final Notification msg, final ByteBuf bytes) {
    checkArgument(msg instanceof Open, "Message needs to be of type Open, not %s", msg);
    final Open open = (Open) msg;
    final ByteBuf msgBody = Unpooled.buffer().writeByte(BGP_VERSION);
    // When our AS number does not fit into two bytes, we report it as AS_TRANS
    int openAS = open.getMyAsNumber().toJava();
    if (openAS > Values.UNSIGNED_SHORT_MAX_VALUE) {
        openAS = AS_TRANS;
    }
    msgBody.writeShort(openAS).writeShort(open.getHoldTimer().toJava()).writeBytes(Ipv4Util.bytesForAddress(open.getBgpIdentifier()));
    serializeParameters(open.getBgpParameters(), msgBody);
    MessageUtil.formatMessage(TYPE, msgBody, bytes);
}

Example 48 with Open

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.Open in project bgpcep by opendaylight.

the class OpenTest method testSerializeOpen.

@Test
public void testSerializeOpen() throws BGPDocumentedException {
    final Open open = new OpenBuilder().setBgpIdentifier(new Ipv4AddressNoZone("127.0.0.1")).setMyAsNumber(Uint16.valueOf(30)).setHoldTimer(Uint16.valueOf(3)).setVersion(new ProtocolVersion(Uint8.valueOf(4))).setBgpParameters(List.of(new BgpParametersBuilder().setOptionalCapabilities(List.of(new OptionalCapabilitiesBuilder().setCParameters(new CParametersBuilder().setAs4BytesCapability(new As4BytesCapabilityBuilder().setAsNumber(new AsNumber(Uint32.valueOf(1000))).build()).addAugmentation(new CParameters1Builder().setGracefulRestartCapability(new GracefulRestartCapabilityBuilder().setRestartFlags(new GracefulRestartCapability.RestartFlags(false)).setRestartTime(Uint16.ZERO).setTables(Map.of()).build()).build()).build()).build())).build())).build();
    final ByteBuf msg = Unpooled.buffer();
    new BGPOpenMessageParser(registry).serializeMessage(open, msg);
    final byte[] temp = ByteArray.cutBytes(ByteArray.getAllBytes(msg), 19);
    final Open openResult = new BGPOpenMessageParser(registry).parseMessageBody(Unpooled.copiedBuffer(temp), temp.length, null);
    assertEquals(open.getBgpIdentifier(), openResult.getBgpIdentifier());
    assertEquals(open.getHoldTimer(), openResult.getHoldTimer());
    assertEquals(open.getMyAsNumber(), openResult.getMyAsNumber());
    boolean grace = false;
    if (openResult.getBgpParameters().get(0).getOptionalCapabilities().get(0).getCParameters().getAs4BytesCapability() != null) {
        grace = true;
    }
    assertEquals(open.getBgpParameters().get(0).getOptionalCapabilities().get(0).getCParameters().getAs4BytesCapability(), openResult.getBgpParameters().get(0).getOptionalCapabilities().get(grace ? 0 : 1).getCParameters().getAs4BytesCapability());
    assertEquals(open.getBgpParameters().get(0).getOptionalCapabilities().get(0).getCParameters().augmentation(CParameters1.class).getGracefulRestartCapability(), openResult.getBgpParameters().get(0).getOptionalCapabilities().get(grace ? 1 : 0).getCParameters().augmentation(CParameters1.class).getGracefulRestartCapability());
}

Example 49 with Open

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.Open in project bgpcep by opendaylight.

the class StatefulErrorMessageParser method insertObject.

private static State insertObject(final State state, final Object obj, final List<Errors> errorObjects, final List<Rps> requestParameters, final List<Srps> srps, final PcerrMessageBuilder builder) {
    switch(state) {
        case ERROR_IN:
            if (obj instanceof ErrorObject) {
                final ErrorObject o = (ErrorObject) obj;
                errorObjects.add(new ErrorsBuilder().setErrorObject(o).build());
                return State.ERROR_IN;
            }
        // fall through
        case RP_IN:
            if (obj instanceof Rp) {
                final Rp o = (Rp) obj;
                requestParameters.add(new RpsBuilder().setRp(o).build());
                return State.RP_IN;
            }
        // fall through
        case SRP_IN:
            if (obj instanceof Srp) {
                final Srp o = (Srp) obj;
                srps.add(new SrpsBuilder().setSrp(o).build());
                return State.SRP_IN;
            }
        // fall through
        case OPEN:
            if (obj instanceof Open) {
                builder.setErrorType(new SessionCaseBuilder().setSession(new SessionBuilder().setOpen((Open) obj).build()).build());
                return State.OPEN_IN;
            }
        // fall through
        case ERROR:
            if (obj instanceof ErrorObject) {
                final ErrorObject o = (ErrorObject) obj;
                errorObjects.add(new ErrorsBuilder().setErrorObject(o).build());
                return State.ERROR;
            }
        // fall through
        case OPEN_IN:
        case END:
            return State.END;
        default:
            return state;
    }
}

Example 50 with Open

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.Open in project bgpcep by opendaylight.

the class PCEPOpenObjectParser method serializeObject.

@Override
public void serializeObject(final Object object, final ByteBuf buffer) {
    checkArgument(object instanceof Open, "Wrong instance of PCEPObject. Passed %s. Needed OpenObject.", object.getClass());
    final Open open = (Open) object;
    final ByteBuf body = Unpooled.buffer();
    body.writeByte(PCEP_VERSION << Byte.SIZE - VERSION_SF_LENGTH);
    ByteBufUtils.writeOrZero(body, open.getKeepalive());
    ByteBufUtils.writeOrZero(body, open.getDeadTimer());
    ByteBufUtils.writeMandatory(body, open.getSessionId(), "SessionId");
    serializeTlvs(open.getTlvs(), body);
    ObjectUtil.formatSubobject(TYPE, CLASS, object.getProcessingRule(), object.getIgnore(), body, buffer);
}