Examples with State org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbor.group.State used on opensource projects

Example 26 with State

use of org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbor.group.State in project bgpcep by opendaylight.

the class AbstractBestPathSelector method isExistingPathBetter.

/**
 * Chooses best route according to BGP best path selection.
 *
 * @param state attributes of the new route
 * @return true if the existing path is better, false if the new path is better
 */
protected boolean isExistingPathBetter(@Nonnull final BestPathState state) {
    /*
         * 2. prefer path with higher LOCAL_PREF
         *
         * FIXME: for eBGP cases (when the LOCAL_PREF is missing), we should assign a policy-based preference
         *        before we ever get here.
         */
    if (this.bestState.getLocalPref() == null && state.getLocalPref() != null) {
        return true;
    }
    if (this.bestState.getLocalPref() != null && state.getLocalPref() == null) {
        return false;
    }
    if (state.getLocalPref() != null && state.getLocalPref() > this.bestState.getLocalPref()) {
        return false;
    }
    if (state.getLocalPref() != null && state.getLocalPref() < this.bestState.getLocalPref()) {
        return true;
    }
    // 4. prefer the path with the shortest AS_PATH.
    if (this.bestState.getAsPathLength() != state.getAsPathLength()) {
        return this.bestState.getAsPathLength() < state.getAsPathLength();
    }
    // - IGP is lower than Exterior Gateway Protocol (EGP), and EGP is lower than INCOMPLETE
    if (!this.bestState.getOrigin().equals(state.getOrigin())) {
        final BgpOrigin bo = this.bestState.getOrigin();
        final BgpOrigin no = state.getOrigin();
        // This trick relies on the order in which the values are declared in the model.
        return no.ordinal() > bo.ordinal();
    }
    // FIXME: we should be able to cache the best AS
    final Long bestAs = this.bestState.getPeerAs();
    final Long newAs = state.getPeerAs();
    /*
         * Checks 6 and 7 are mutually-exclusive, as MEDs are comparable
         * only when the routes originated from the same AS. On the other
         * hand, when they are from the same AS, they are in the same iBGP/eBGP
         * relationship.
         *
         */
    if (bestAs.equals(newAs)) {
        // 6. prefer the path with the lowest multi-exit discriminator (MED)
        if (this.bestState.getMultiExitDisc() != null || state.getMultiExitDisc() != null) {
            final Long bmed = this.bestState.getMultiExitDisc();
            final Long nmed = state.getMultiExitDisc();
            return nmed > bmed;
        }
    } else {
        /*
             * 7. prefer eBGP over iBGP paths
             *
             * EBGP is peering between two different AS, whereas IBGP is between same AS (Autonomous System),
             * so we just compare the AS numbers to our AS.
             *
             * FIXME: we should know this information from the peer directly.
             */
        if (this.ourAs != bestAs && this.ourAs == newAs) {
            return true;
        }
    }
    /*
         * 10. Prefer the route that comes from the BGP router with the lowest router ID.
         *
         * This is normally guaranteed by the iteration order of our caller, which runs selection
         * in the order of increasing router ID, but RFC-4456 Route Reflection throws a wrench into that.
         *
         * With RFC-5004, this gets a bit easier, because it completely eliminates step f) and later :-)
         *
         * RFC-5004 states that this algorithm should end here and select existing path over new path in the
         * best path selection process. Benefits are listed in the RFC: @see http://tools.ietf.org/html/rfc500
         * - This algorithm SHOULD NOT be applied when either path is from a BGP Confederation peer.
         *  - not applicable, we don't deal with confederation peers
         * - The algorithm SHOULD NOT be applied when both paths are from peers with an identical BGP identifier
         *   (i.e., there exist parallel BGP sessions between two BGP speakers).
         *  - not applicable, BUG-2631 prevents parallel sessions to be created.
         */
    return true;
}

Example 27 with State

use of org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbor.group.State in project bgpcep by opendaylight.

the class PCCTunnelManagerImplTest method testReturnDelegationNoRetake.

@Test
public void testReturnDelegationNoRetake() throws InterruptedException {
    final PCCTunnelManager tunnelManager = new PCCTunnelManagerImpl(0, ADDRESS, 0, 0, TIMER, this.timerHandler);
    tunnelManager.onSessionUp(this.session1);
    tunnelManager.onSessionUp(this.session2);
    tunnelManager.onMessagePcInitiate(createRequests(1), this.session1);
    tunnelManager.onMessagePcupd(createUpdate(1), this.session1);
    // wait for state timeout expires
    Thread.sleep(500);
    Mockito.verify(this.session1, Mockito.times(3)).sendReport(Mockito.any(Pcrpt.class));
    Mockito.verify(this.session2, Mockito.times(2)).sendReport(Mockito.any(Pcrpt.class));
}

Example 28 with State

use of org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbor.group.State in project bgpcep by opendaylight.

the class PCCTunnelManagerImpl method reportToAll.

protected void reportToAll(final Updates update, final PCCSession session) {
    final PlspId plspId = update.getLsp().getPlspId();
    final PCCTunnel tunnel = this.tunnels.get(plspId);
    final long srpId = update.getSrp().getOperationId().getValue();
    if (tunnel != null) {
        if (hasDelegation(tunnel, session)) {
            final Srp srp = createSrp(update.getSrp().getOperationId().getValue());
            final Path path = updToRptPath(update.getPath());
            final List<Subobject> subobjects = update.getPath().getEro().getSubobject();
            final Lsp lsp = update.getLsp();
            sendToAll(tunnel, plspId, subobjects, srp, path, lsp);
            // update tunnel state
            tunnel.setLspState(path);
        } else {
            session.sendError(MsgBuilderUtil.createErrorMsg(PCEPErrors.UPDATE_REQ_FOR_NON_LSP, srpId));
        }
    } else {
        session.sendError(MsgBuilderUtil.createErrorMsg(PCEPErrors.UNKNOWN_PLSP_ID, srpId));
    }
}

Example 29 with State

use of org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbor.group.State in project controller by opendaylight.

the class ClusterAdminRpcService method changeMemberVotingStatesForShard.

@Override
public Future<RpcResult<Void>> changeMemberVotingStatesForShard(ChangeMemberVotingStatesForShardInput input) {
    final String shardName = input.getShardName();
    if (Strings.isNullOrEmpty(shardName)) {
        return newFailedRpcResultFuture("A valid shard name must be specified");
    }
    DataStoreType dataStoreType = input.getDataStoreType();
    if (dataStoreType == null) {
        return newFailedRpcResultFuture("A valid DataStoreType must be specified");
    }
    List<MemberVotingState> memberVotingStates = input.getMemberVotingState();
    if (memberVotingStates == null || memberVotingStates.isEmpty()) {
        return newFailedRpcResultFuture("No member voting state input was specified");
    }
    ChangeShardMembersVotingStatus changeVotingStatus = toChangeShardMembersVotingStatus(shardName, memberVotingStates);
    LOG.info("Change member voting states for shard {}: {}", shardName, changeVotingStatus.getMeberVotingStatusMap());
    final SettableFuture<RpcResult<Void>> returnFuture = SettableFuture.create();
    ListenableFuture<Success> future = sendMessageToShardManager(dataStoreType, changeVotingStatus);
    Futures.addCallback(future, new FutureCallback<Success>() {

        @Override
        public void onSuccess(Success success) {
            LOG.info("Successfully changed member voting states for shard {}", shardName);
            returnFuture.set(newSuccessfulResult());
        }

        @Override
        public void onFailure(Throwable failure) {
            onMessageFailure(String.format("Failed to change member voting states for shard %s", shardName), returnFuture, failure);
        }
    }, MoreExecutors.directExecutor());
    return returnFuture;
}

Example 30 with State

use of org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbor.group.State in project bgpcep by opendaylight.

the class IncrementalSynchronizationProcedureTest method testStateSynchronizationPerformed.

@Test
public void testStateSynchronizationPerformed() throws Exception {
    PCEPSession session = getPCEPSession(getOpen(null), getOpen(null));
    this.listener.onSessionUp(session);
    // report LSP + LSP-DB version number
    final Pcrpt pcRpt = getPcrpt(1L, "test");
    this.listener.onMessage(session, pcRpt);
    readDataOperational(getDataBroker(), this.pathComputationClientIId, pcc -> {
        assertFalse(pcc.getReportedLsp().isEmpty());
        return pcc;
    });
    this.listener.onSessionDown(session, new IllegalArgumentException());
    this.listener = (Stateful07TopologySessionListener) getSessionListener();
    // session up - expect sync (LSP-DBs do not match)
    final LspDbVersion localDbVersion = new LspDbVersionBuilder().setLspDbVersionValue(BigInteger.valueOf(2L)).build();
    session = getPCEPSession(getOpen(localDbVersion), getOpen(null));
    this.listener.onSessionUp(session);
    readDataOperational(getDataBroker(), this.pathComputationClientIId, pcc -> {
        // check node - IncrementalSync state
        assertEquals(PccSyncState.IncrementalSync, pcc.getStateSync());
        // check reported LSP - persisted from previous session
        assertFalse(pcc.getReportedLsp().isEmpty());
        return pcc;
    });
    // report LSP2 + LSP-DB version number 2
    final Pcrpt pcRpt2 = getPcrpt(2L, "testsecond");
    this.listener.onMessage(session, pcRpt2);
    readDataOperational(getDataBroker(), this.pathComputationClientIId, pcc -> {
        // check node - synchronized
        assertEquals(PccSyncState.IncrementalSync, pcc.getStateSync());
        // check reported LSP is not empty
        assertEquals(2, pcc.getReportedLsp().size());
        return pcc;
    });
    // sync rpt + LSP-DB
    final Pcrpt syncMsg = getSyncPcrt();
    this.listener.onMessage(session, syncMsg);
    readDataOperational(getDataBroker(), this.pathComputationClientIId, pcc -> {
        // check node - synchronized
        assertEquals(PccSyncState.Synchronized, pcc.getStateSync());
        // check reported LSP is empty, LSP state from previous session was purged
        assertEquals(2, pcc.getReportedLsp().size());
        return pcc;
    });
    // report LSP3 + LSP-DB version number 4
    final Pcrpt pcRpt3 = getPcrpt(3L, "testthird");
    this.listener.onMessage(session, pcRpt3);
    readDataOperational(getDataBroker(), this.pathComputationClientIId, pcc -> {
        // check node - synchronized
        assertEquals(PccSyncState.Synchronized, pcc.getStateSync());
        assertEquals(3, pcc.getReportedLsp().size());
        return pcc;
    });
}