import javax.annotation.concurrent.GuardedBy;
-import org.opendaylight.protocol.bgp.concepts.BGPTableType;
+import org.opendaylight.protocol.bgp.parser.AsNumberUtil;
import org.opendaylight.protocol.bgp.parser.BGPError;
-import org.opendaylight.protocol.bgp.parser.BGPMessage;
-import org.opendaylight.protocol.bgp.parser.BGPParameter;
import org.opendaylight.protocol.bgp.parser.BGPSession;
import org.opendaylight.protocol.bgp.parser.BGPSessionListener;
import org.opendaylight.protocol.bgp.parser.BGPTerminationReason;
-import org.opendaylight.protocol.bgp.parser.message.BGPKeepAliveMessage;
-import org.opendaylight.protocol.bgp.parser.message.BGPNotificationMessage;
-import org.opendaylight.protocol.bgp.parser.message.BGPOpenMessage;
-import org.opendaylight.protocol.bgp.parser.parameter.MultiprotocolCapability;
+import org.opendaylight.protocol.bgp.parser.BgpTableTypeImpl;
import org.opendaylight.protocol.framework.AbstractProtocolSession;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.AsNumber;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Address;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.Keepalive;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.KeepaliveBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.Notify;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.NotifyBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.Open;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.Update;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.BgpParameters;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.bgp.parameters.CParameters;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.BgpTableType;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.open.bgp.parameters.c.parameters.MultiprotocolCase;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.TablesKey;
+import org.opendaylight.yangtools.yang.binding.Notification;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.collect.Sets;
@VisibleForTesting
-public class BGPSessionImpl extends AbstractProtocolSession<BGPMessage> implements BGPSession {
+public class BGPSessionImpl extends AbstractProtocolSession<Notification> implements BGPSession {
- private static final Logger logger = LoggerFactory.getLogger(BGPSessionImpl.class);
+ private static final Logger LOG = LoggerFactory.getLogger(BGPSessionImpl.class);
+ /*
+ * 240
+ */
private static final int DEFAULT_HOLD_TIMER_VALUE = 15;
- public static int HOLD_TIMER_VALUE = DEFAULT_HOLD_TIMER_VALUE; // 240
+ private static final Notification KEEP_ALIVE = new KeepaliveBuilder().build();
/**
* Internal session state.
*/
public enum State {
/**
- * The session object is created by the negotiator in OpenConfirm state.
- * While in this state, the session object is half-alive, e.g. the timers
- * are running, but the session is not completely up, e.g. it has not been
- * announced to the listener. If the session is torn down in this state,
- * we do not inform the listener.
+ * The session object is created by the negotiator in OpenConfirm state. While in this state, the session object
+ * is half-alive, e.g. the timers are running, but the session is not completely up, e.g. it has not been
+ * announced to the listener. If the session is torn down in this state, we do not inform the listener.
*/
OpenConfirm,
/**
/**
* System.nanoTime value about when was sent the last message Protected to be updated also in tests.
*/
+ @VisibleForTesting
protected long lastMessageSentAt;
/**
@GuardedBy("this")
private State state = State.OpenConfirm;
- private final int keepAlive;
- private final Set<BGPTableType> tableTypes;
+ private final Set<BgpTableType> tableTypes;
+ private final int holdTimerValue;
+ private final int keepAlive;
+ private final AsNumber asNumber;
+ private final Ipv4Address bgpId;
- BGPSessionImpl(final Timer timer, final BGPSessionListener listener, final Channel channel, final BGPOpenMessage remoteOpen) {
+ BGPSessionImpl(final Timer timer, final BGPSessionListener listener, final Channel channel, final Open remoteOpen) {
this.listener = Preconditions.checkNotNull(listener);
this.stateTimer = Preconditions.checkNotNull(timer);
this.channel = Preconditions.checkNotNull(channel);
- this.keepAlive = remoteOpen.getHoldTime() / 3;
-
- final Set<BGPTableType> tts = Sets.newHashSet();
- if (remoteOpen.getOptParams() != null) {
- for (final BGPParameter param : remoteOpen.getOptParams()) {
- if (param instanceof MultiprotocolCapability) {
- tts.add(((MultiprotocolCapability) param).getTableType());
+ this.keepAlive = remoteOpen.getHoldTimer() / 3;
+ this.holdTimerValue = remoteOpen.getHoldTimer();
+ this.asNumber = AsNumberUtil.advertizedAsNumber(remoteOpen);
+
+ final Set<TablesKey> tts = Sets.newHashSet();
+ final Set<BgpTableType> tats = Sets.newHashSet();
+ if (remoteOpen.getBgpParameters() != null) {
+ for (final BgpParameters param : remoteOpen.getBgpParameters()) {
+ final CParameters cp = param.getCParameters();
+ if (cp instanceof MultiprotocolCase) {
+ final TablesKey tt = new TablesKey(((MultiprotocolCase) cp).getMultiprotocolCapability().getAfi(), ((MultiprotocolCase) cp).getMultiprotocolCapability().getSafi());
+ LOG.trace("Added table type to sync {}", tt);
+ tts.add(tt);
+ tats.add(new BgpTableTypeImpl(tt.getAfi(), tt.getSafi()));
}
}
}
this.sync = new BGPSynchronization(this, this.listener, tts);
- this.tableTypes = tts;
+ this.tableTypes = tats;
- if (remoteOpen.getHoldTime() != 0) {
+ if (remoteOpen.getHoldTimer() != 0) {
this.stateTimer.newTimeout(new TimerTask() {
@Override
public void run(final Timeout timeout) throws Exception {
handleHoldTimer();
}
- }, remoteOpen.getHoldTime(), TimeUnit.SECONDS);
+ }, remoteOpen.getHoldTimer(), TimeUnit.SECONDS);
this.stateTimer.newTimeout(new TimerTask() {
@Override
}
}, this.keepAlive, TimeUnit.SECONDS);
}
+ this.bgpId = remoteOpen.getBgpIdentifier();
}
@Override
public synchronized void close() {
- logger.debug("Closing session: {}", this);
+ LOG.debug("Closing session: {}", this);
if (this.state != State.Idle) {
- this.sendMessage(new BGPNotificationMessage(BGPError.CEASE));
+ this.sendMessage(new NotifyBuilder().setErrorCode(BGPError.CEASE.getCode()).build());
this.channel.close();
this.state = State.Idle;
}
* @param msg incoming message
*/
@Override
- public void handleMessage(final BGPMessage msg) {
+ public void handleMessage(final Notification msg) {
// Update last reception time
this.lastMessageReceivedAt = System.nanoTime();
- if (msg instanceof BGPOpenMessage) {
+ if (msg instanceof Open) {
// Open messages should not be present here
this.terminate(BGPError.FSM_ERROR);
- } else if (msg instanceof BGPNotificationMessage) {
+ } else if (msg instanceof Notify) {
// Notifications are handled internally
- logger.info("Session closed because Notification message received: {}", ((BGPNotificationMessage) msg).getError());
+ LOG.info("Session closed because Notification message received: {} / {}", ((Notify) msg).getErrorCode(),
+ ((Notify) msg).getErrorSubcode());
this.closeWithoutMessage();
- this.listener.onSessionTerminated(this, new BGPTerminationReason(((BGPNotificationMessage) msg).getError()));
- } else if (msg instanceof BGPKeepAliveMessage) {
+ this.listener.onSessionTerminated(this,
+ new BGPTerminationReason(BGPError.forValue(((Notify) msg).getErrorCode(), ((Notify) msg).getErrorSubcode())));
+ } else if (msg instanceof Keepalive) {
// Keepalives are handled internally
- logger.debug("Received KeepAlive messsage.");
+ LOG.debug("Received KeepAlive messsage.");
this.kaCounter++;
if (this.kaCounter >= 2) {
this.sync.kaReceived();
} else {
// All others are passed up
this.listener.onMessage(this, msg);
+ this.sync.updReceived((Update) msg);
}
}
}
}
- void sendMessage(final BGPMessage msg) {
+ void sendMessage(final Notification msg) {
try {
this.channel.writeAndFlush(msg);
this.lastMessageSentAt = System.nanoTime();
- logger.debug("Sent message: {}", msg);
+ LOG.debug("Sent message: {}", msg);
} catch (final Exception e) {
- logger.warn("Message {} was not sent.", msg, e);
+ LOG.warn("Message {} was not sent.", msg, e);
}
}
private synchronized void closeWithoutMessage() {
- logger.debug("Closing session: {}", this);
+ LOG.debug("Closing session: {}", this);
this.channel.close();
this.state = State.Idle;
}
* @param closeObject
*/
private void terminate(final BGPError error) {
- this.sendMessage(new BGPNotificationMessage(error));
+ this.sendMessage(new NotifyBuilder().setErrorCode(error.getCode()).setErrorSubcode(error.getSubcode()).build());
this.closeWithoutMessage();
this.listener.onSessionTerminated(this, new BGPTerminationReason(error));
}
final long ct = System.nanoTime();
- final long nextHold = this.lastMessageReceivedAt + TimeUnit.SECONDS.toNanos(HOLD_TIMER_VALUE);
+ final long nextHold = this.lastMessageReceivedAt + TimeUnit.SECONDS.toNanos(holdTimerValue);
if (ct >= nextHold) {
- logger.debug("HoldTimer expired. " + new Date());
+ LOG.debug("HoldTimer expired. " + new Date());
this.terminate(BGPError.HOLD_TIMER_EXPIRED);
} else {
this.stateTimer.newTimeout(new TimerTask() {
long nextKeepalive = this.lastMessageSentAt + TimeUnit.SECONDS.toNanos(this.keepAlive);
if (ct >= nextKeepalive) {
- this.sendMessage(new BGPKeepAliveMessage());
+ this.sendMessage(KEEP_ALIVE);
nextKeepalive = this.lastMessageSentAt + TimeUnit.SECONDS.toNanos(this.keepAlive);
}
this.stateTimer.newTimeout(new TimerTask() {
}
@Override
- final public String toString() {
+ public final String toString() {
return addToStringAttributes(Objects.toStringHelper(this)).toString();
}
}
@Override
- public Set<BGPTableType> getAdvertisedTableTypes() {
+ public Set<BgpTableType> getAdvertisedTableTypes() {
return this.tableTypes;
}
public synchronized State getState() {
return this.state;
}
+
+ @Override
+ public final byte[] getBgpId() {
+ return this.bgpId.getValue().getBytes();
+ }
+
+ @Override
+ public final AsNumber getAsNumber() {
+ return this.asNumber;
+ }
}