use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev181109.Keepalive in project bgpcep by opendaylight.
the class ParserTest method testKeepAliveMsg.
@Test
public void testKeepAliveMsg() throws BGPParsingException, BGPDocumentedException {
final Notification keepAlive = new KeepaliveBuilder().build();
final ByteBuf buffer = Unpooled.buffer();
ParserTest.reg.serializeMessage(keepAlive, buffer);
assertArrayEquals(KEEPALIVE_BMSG, ByteArray.getAllBytes(buffer));
final Notification m = ParserTest.reg.parseMessage(Unpooled.copiedBuffer(ByteArray.getAllBytes(buffer)), null);
assertThat(m, instanceOf(Keepalive.class));
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev181109.Keepalive in project bgpcep by opendaylight.
the class AbstractBGPSessionNegotiator method handleMessage.
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:
// executed
if (msg instanceof Open) {
startNegotiation();
handleOpen((Open) msg);
return;
}
sendMessage(buildErrorNotify(BGPError.FSM_ERROR));
break;
case OPEN_CONFIRM:
if (msg instanceof Keepalive) {
negotiationSuccessful();
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;
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev181109.Keepalive in project bgpcep by opendaylight.
the class BGPSessionImpl method handleMessage.
/**
* Handles incoming message based on their type.
*
* @param msg incoming message
*/
void handleMessage(final Notification msg) {
// synchronize on listener and then on this object to ensure correct order of locking
synchronized (this.listener) {
synchronized (this) {
if (this.state == State.IDLE) {
return;
}
try {
// Update last reception time
this.lastMessageReceivedAt = System.nanoTime();
if (msg instanceof Open) {
// Open messages should not be present here
terminate(new BGPDocumentedException(null, BGPError.FSM_ERROR));
} else if (msg instanceof Notify) {
final Notify notify = (Notify) msg;
// Notifications are handled internally
LOG.info("Session closed because Notification message received: {} / {}, data={}", notify.getErrorCode(), notify.getErrorSubcode(), notify.getData() != null ? ByteBufUtil.hexDump(notify.getData()) : null);
notifyTerminationReasonAndCloseWithoutMessage(notify.getErrorCode(), notify.getErrorSubcode());
} else if (msg instanceof Keepalive) {
// Keepalives are handled internally
LOG.trace("Received KeepAlive message.");
this.kaCounter++;
if (this.kaCounter >= 2) {
this.sync.kaReceived();
}
} else if (msg instanceof RouteRefresh) {
this.listener.onMessage(this, msg);
} else if (msg instanceof Update) {
this.listener.onMessage(this, msg);
this.sync.updReceived((Update) msg);
} else {
LOG.warn("Ignoring unhandled message: {}.", msg.getClass());
}
this.sessionState.messageReceived(msg);
} catch (final BGPDocumentedException e) {
terminate(e);
}
}
}
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev181109.Keepalive in project bgpcep by opendaylight.
the class EventBusRegistration method sendMessage.
private static void sendMessage(final BGPSessionListener listener, final Notification message) {
if (BGPMock.CONNECTION_LOST_MAGIC_MSG.equals(message)) {
listener.onSessionTerminated(null, new BGPTerminationReason(BGPError.CEASE));
} else if (message instanceof Open) {
final Set<BgpTableType> tts = new HashSet<>();
final List<AddressFamilies> addPathCapabilitiesList = new ArrayList<>();
for (final BgpParameters param : ((Open) message).getBgpParameters()) {
for (final OptionalCapabilities capa : param.getOptionalCapabilities()) {
final CParameters cParam = capa.getCParameters();
final CParameters1 aug = cParam.augmentation(CParameters1.class);
if (aug == null) {
continue;
}
if (aug.getMultiprotocolCapability() != null) {
final MultiprotocolCapability p = aug.getMultiprotocolCapability();
LOG.debug("Adding open parameter {}", p);
final BgpTableType type = new BgpTableTypeImpl(p.getAfi(), p.getSafi());
tts.add(type);
} else if (aug.getAddPathCapability() != null) {
final AddPathCapability addPathCap = aug.getAddPathCapability();
addPathCapabilitiesList.addAll(addPathCap.getAddressFamilies());
}
}
}
listener.onSessionUp(new MockBGPSession(tts, addPathCapabilitiesList));
} else if (!(message instanceof Keepalive)) {
try {
listener.onMessage(new MockBGPSession(), message);
} catch (BGPDocumentedException e) {
LOG.warn("Exception encountered while handling message", e);
}
}
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev181109.Keepalive in project bgpcep by opendaylight.
the class PCEPOpenObjectParser method parseObject.
@Override
public Object parseObject(final ObjectHeader header, final ByteBuf bytes) throws PCEPDeserializerException {
checkArgument(bytes != null && bytes.isReadable(), "Array of bytes is mandatory. Cannot be null or empty.");
final int versionValue = ByteArray.copyBitsRange(bytes.readByte(), VERSION_SF_OFFSET, VERSION_SF_LENGTH);
final short keepalive = bytes.readUnsignedByte();
final short deadTimer = bytes.readUnsignedByte();
final Uint8 sessionId = ByteBufUtils.readUint8(bytes);
final TlvsBuilder tbuilder = new TlvsBuilder();
parseTlvs(tbuilder, bytes.slice());
final OpenBuilder builder = new OpenBuilder().setVersion(new ProtocolVersion(Uint8.valueOf(versionValue))).setProcessingRule(header.getProcessingRule()).setIgnore(header.getIgnore()).setKeepalive(Uint8.valueOf(keepalive)).setSessionId(sessionId).setTlvs(tbuilder.build());
if (keepalive == 0) {
builder.setDeadTimer(Uint8.ZERO);
} else {
builder.setDeadTimer(Uint8.valueOf(deadTimer));
}
final Open obj = builder.build();
if (versionValue != PCEP_VERSION) {
// TODO: Should we move this check into the negotiator
LOG.debug("Unsupported PCEP version {}", versionValue);
return new UnknownObject(PCEPErrors.PCEP_VERSION_NOT_SUPPORTED, obj);
}
return obj;
}
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