Examples with Notify org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.Notify used on opensource projects

Example 16 with Notify

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.Notify in project genius by opendaylight.

the class AlivenessMonitor method sendMonitorPacket.

private void sendMonitorPacket(final MonitoringInfo monitoringInfo) {
    // TODO: Handle interrupts
    final Long monitorId = monitoringInfo.getId();
    final String monitorKey = monitorIdKeyCache.getUnchecked(monitorId);
    if (monitorKey == null) {
        LOG.warn("No monitor Key associated with id {} to send the monitor packet", monitorId);
        return;
    } else {
        LOG.debug("Sending monitoring packet for key: {}", monitorKey);
    }
    final MonitorProfile profile;
    Optional<MonitorProfile> optProfile = getMonitorProfile(monitoringInfo.getProfileId());
    if (optProfile.isPresent()) {
        profile = optProfile.get();
    } else {
        LOG.warn("No monitor profile associated with id {}. " + "Could not send Monitor packet for monitor-id {}", monitoringInfo.getProfileId(), monitorId);
        return;
    }
    final Semaphore lock = lockMap.get(monitorKey);
    LOG.debug("Acquiring lock for monitor key : {} to send monitor packet", monitorKey);
    acquireLock(lock);
    final ReadWriteTransaction tx = dataBroker.newReadWriteTransaction();
    ListenableFuture<Optional<MonitoringState>> readResult = tx.read(LogicalDatastoreType.OPERATIONAL, getMonitorStateId(monitorKey));
    ListenableFuture<Void> writeResult = Futures.transformAsync(readResult, optState -> {
        if (optState.isPresent()) {
            MonitoringState state = optState.get();
            // Increase the request count
            Long requestCount = state.getRequestCount() + 1;
            // Check with the monitor window
            LivenessState currentLivenessState = state.getState();
            // Increase the pending response count
            long responsePendingCount = state.getResponsePendingCount();
            if (responsePendingCount < profile.getMonitorWindow()) {
                responsePendingCount = responsePendingCount + 1;
            }
            // Check with the failure threshold
            if (responsePendingCount >= profile.getFailureThreshold()) {
                // Change the state to down and notify
                if (currentLivenessState != LivenessState.Down) {
                    LOG.debug("Response pending Count: {}, Failure threshold: {} for monitorId {}", responsePendingCount, profile.getFailureThreshold(), state.getMonitorId());
                    LOG.info("Sending notification for monitor Id : {} with State: {}", state.getMonitorId(), LivenessState.Down);
                    publishNotification(monitorId, LivenessState.Down);
                    currentLivenessState = LivenessState.Down;
                    // Reset requestCount when state changes
                    // from UP to DOWN
                    requestCount = INITIAL_COUNT;
                }
            }
            // Update the ODS with state
            MonitoringState updatedState = new MonitoringStateBuilder().setMonitorKey(state.getMonitorKey()).setRequestCount(requestCount).setResponsePendingCount(responsePendingCount).setState(currentLivenessState).build();
            tx.merge(LogicalDatastoreType.OPERATIONAL, getMonitorStateId(state.getMonitorKey()), updatedState);
            return tx.submit();
        } else {
            // Close the transaction
            tx.submit();
            String errorMsg = String.format("Monitoring State associated with id %d is not present to send packet out.", monitorId);
            return Futures.immediateFailedFuture(new RuntimeException(errorMsg));
        }
    }, callbackExecutorService);
    Futures.addCallback(writeResult, new FutureCallback<Void>() {

        @Override
        public void onSuccess(Void noarg) {
            // invoke packetout on protocol handler
            AlivenessProtocolHandler<?> handler = alivenessProtocolHandlerRegistry.getOpt(profile.getProtocolType());
            if (handler != null) {
                LOG.debug("Sending monitoring packet {}", monitoringInfo);
                handler.startMonitoringTask(monitoringInfo);
            }
            releaseLock(lock);
        }

        @Override
        public void onFailure(Throwable error) {
            LOG.warn("Updating monitoring state for key: {} failed. Monitoring packet is not sent", monitorKey, error);
            releaseLock(lock);
        }
    }, callbackExecutorService);
}

Example 17 with Notify

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.Notify in project bgpcep by opendaylight.

the class BGPNotificationMessageParser method parseMessageBody.

/**
 * Parses BGP Notification message to bytes.
 *
 * @param body ByteBuf to be parsed
 * @param messageLength the length of the message
 * @return {@link Notify} which represents BGP notification message
 * @throws BGPDocumentedException if parsing goes wrong
 */
@Override
public Notify parseMessageBody(final ByteBuf body, final int messageLength) throws BGPDocumentedException {
    Preconditions.checkArgument(body != null, "Buffer cannot be null.");
    if (body.readableBytes() < ERROR_SIZE) {
        throw BGPDocumentedException.badMessageLength("Notification message too small.", messageLength);
    }
    final int errorCode = body.readUnsignedByte();
    final int errorSubcode = body.readUnsignedByte();
    final NotifyBuilder builder = new NotifyBuilder().setErrorCode((short) errorCode).setErrorSubcode((short) errorSubcode);
    if (body.isReadable()) {
        builder.setData(ByteArray.readAllBytes(body));
    }
    LOG.debug("BGP Notification message was parsed: err = {}, data = {}.", BGPError.forValue(errorCode, errorSubcode), Arrays.toString(builder.getData()));
    return builder.build();
}

Example 18 with Notify

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.Notify in project bgpcep by opendaylight.

the class ParserTest method testNotificationMsg.

@Test
public void testNotificationMsg() throws BGPParsingException, BGPDocumentedException {
    Notification notMsg = new NotifyBuilder().setErrorCode(BGPError.OPT_PARAM_NOT_SUPPORTED.getCode()).setErrorSubcode(BGPError.OPT_PARAM_NOT_SUPPORTED.getSubcode()).setData(new byte[] { 4, 9 }).build();
    final ByteBuf bytes = Unpooled.buffer();
    ParserTest.reg.serializeMessage(notMsg, bytes);
    assertArrayEquals(notificationBMsg, ByteArray.subByte(bytes.array(), 0, bytes.writerIndex()));
    Notification m = ParserTest.reg.parseMessage(Unpooled.copiedBuffer(bytes), null);
    assertTrue(m instanceof Notify);
    assertEquals(BGPError.OPT_PARAM_NOT_SUPPORTED, BGPError.forValue(((Notify) m).getErrorCode(), ((Notify) m).getErrorSubcode()));
    assertArrayEquals(new byte[] { 4, 9 }, ((Notify) m).getData());
    notMsg = new NotifyBuilder().setErrorCode(BGPError.CONNECTION_NOT_SYNC.getCode()).setErrorSubcode(BGPError.CONNECTION_NOT_SYNC.getSubcode()).build();
    bytes.clear();
    ParserTest.reg.serializeMessage(notMsg, bytes);
    m = ParserTest.reg.parseMessage(Unpooled.copiedBuffer(bytes), null);
    assertTrue(m instanceof Notify);
    assertEquals(BGPError.CONNECTION_NOT_SYNC, BGPError.forValue(((Notify) m).getErrorCode(), ((Notify) m).getErrorSubcode()));
    assertNull(((Notify) m).getData());
}

Example 19 with Notify

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.Notify in project bgpcep by opendaylight.

the class AbstractBGPSessionNegotiator method handleMessage.

protected synchronized void handleMessage(final Notification msg) {
    LOG.debug("Channel {} handling message in state {}, msg: {}", this.channel, this.state, msg);
    switch(this.state) {
        case FINISHED:
            sendMessage(buildErrorNotify(BGPError.FSM_ERROR));
            return;
        case IDLE:
            // to avoid race condition when Open message was sent by the peer before startNegotiation could be executed
            if (msg instanceof Open) {
                startNegotiation();
                handleOpen((Open) msg);
                return;
            }
            sendMessage(buildErrorNotify(BGPError.FSM_ERROR));
            break;
        case OPEN_CONFIRM:
            if (msg instanceof Keepalive) {
                negotiationSuccessful(this.session);
                LOG.info("BGP Session with peer {} established successfully.", this.channel);
            } else if (msg instanceof Notify) {
                final Notify ntf = (Notify) msg;
                negotiationFailed(new BGPDocumentedException("Peer refusal", BGPError.forValue(ntf.getErrorCode(), ntf.getErrorSubcode())));
            }
            this.state = State.FINISHED;
            return;
        case OPEN_SENT:
            if (msg instanceof Open) {
                handleOpen((Open) msg);
                return;
            }
            break;
        default:
            break;
    }
    // Catch-all for unexpected message
    LOG.warn("Channel {} state {} unexpected message {}", this.channel, this.state, msg);
    sendMessage(buildErrorNotify(BGPError.FSM_ERROR));
    negotiationFailed(new BGPDocumentedException("Unexpected message channel: " + this.channel + ", state: " + this.state + ", message: " + msg, BGPError.FSM_ERROR));
    this.state = State.FINISHED;
}

Example 20 with Notify

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.Notify in project openflowplugin by opendaylight.

the class ConnectionManagerImplTest method testOnSwitchConnected2.

/**
 * Test method for
 * {@link org.opendaylight.openflowplugin.impl.connection.ConnectionManagerImpl#onSwitchConnected(
 * org.opendaylight.openflowjava.protocol.api.connection.ConnectionAdapter)}.
 * invoking onHelloMessage, scenario:
 * <ol>
 * <li>receive hello from device (notification)</li>
 * <li>send hello to device (rpc with void output)</li>
 * <li>send getFeature to device (rpc with getFeatureOutput)</li>
 * <li>wait for rpc to finish with getFeatureOutput</li>
 * </ol>
 *
 * @throws InterruptedException - interrupted exception
 */
@Test
public void testOnSwitchConnected2() throws Exception {
    connectionManagerImpl.onSwitchConnected(connection);
    Mockito.verify(connection).setConnectionReadyListener(connectionReadyListenerAC.capture());
    Mockito.verify(connection).setMessageListener(ofpListenerAC.capture());
    // prepare void reply (hello rpc output)
    final SettableFuture<RpcResult<Void>> voidResponseFx = SettableFuture.<RpcResult<Void>>create();
    Mockito.when(connection.hello(Matchers.any(HelloInput.class))).thenReturn(voidResponseFx);
    // prepare getFeature reply (getFeture rpc output)
    final SettableFuture<RpcResult<GetFeaturesOutput>> featureResponseFx = SettableFuture.<RpcResult<GetFeaturesOutput>>create();
    Mockito.when(connection.getFeatures(Matchers.any(GetFeaturesInput.class))).thenReturn(featureResponseFx);
    // fire handshake - send hello reply
    final HelloMessage hello = new HelloMessageBuilder().setVersion(OFConstants.OFP_VERSION_1_3).setXid(1L).build();
    ofpListenerAC.getValue().onHelloMessage(hello);
    // notify about connection ready
    connectionReadyListenerAC.getValue().onConnectionReady();
    // deliver hello send output (void)
    Thread.sleep(100L);
    final RpcResult<Void> helloResponse = RpcResultBuilder.success((Void) null).build();
    voidResponseFx.set(helloResponse);
    // deliver getFeature output
    Thread.sleep(100L);
    final GetFeaturesOutput getFeatureOutput = new GetFeaturesOutputBuilder().setDatapathId(BigInteger.TEN).setVersion(OFConstants.OFP_VERSION_1_3).setXid(2L).setTables((short) 15).build();
    final RpcResult<GetFeaturesOutput> rpcFeaturesOutput = RpcResultBuilder.success(getFeatureOutput).build();
    featureResponseFx.set(rpcFeaturesOutput);
    Mockito.verify(deviceConnectedHandler, Mockito.timeout(FINAL_STEP_TIMEOUT)).deviceConnected(Matchers.any(ConnectionContext.class));
}