Example usage for com.google.common.util.concurrent Futures immediateFailedFuture

Introduction

In this page you can find the example usage for com.google.common.util.concurrent Futures immediateFailedFuture.

Prototype

@CheckReturnValue
public static <V> ListenableFuture<V> immediateFailedFuture(Throwable throwable) 

Source Link

Document

Returns a ListenableFuture which has an exception set immediately upon construction.

Usage

From source file:org.opendaylight.vpnservice.natservice.internal.ExternalRoutersListener.java

private void clrRtsFromBgpAndDelFibTs(final BigInteger dpnId, long routerId, String extIp,
        final String vpnName) {
    //Inform BGP about the route removal
    String rd = NatUtil.getVpnRd(dataBroker, vpnName);
    NatUtil.removePrefixFromBGP(bgpManager, rd, extIp, LOG);

    LOG.debug("Removing fib entry for externalIp {} in routerId {}", extIp, routerId);
    //Get IPMaps from the DB for the router ID
    List<IpMap> dbIpMaps = NaptManager.getIpMapList(dataBroker, routerId);
    if (dbIpMaps == null || dbIpMaps.isEmpty()) {
        LOG.error("NAT Service : IPMaps not found for router {}", routerId);
        return;/*ww w.j av  a2s.  c o  m*/
    }

    long tempLabel = NatConstants.INVALID_ID;
    for (IpMap dbIpMap : dbIpMaps) {
        String dbExternalIp = dbIpMap.getExternalIp();
        LOG.debug("Retrieved dbExternalIp {} for router id {}", dbExternalIp, routerId);
        //Select the IPMap, whose external IP is the IP for which FIB is installed
        if (extIp.equals(dbExternalIp)) {
            tempLabel = dbIpMap.getLabel();
            LOG.debug("Retrieved label {} for dbExternalIp {} with router id {}", tempLabel, dbExternalIp,
                    routerId);
            break;
        }
    }
    if (tempLabel < 0 || tempLabel == NatConstants.INVALID_ID) {
        LOG.error("NAT Service : Label not found for externalIp {} with router id {}", extIp, routerId);
        return;
    }

    final long label = tempLabel;
    final String externalIp = extIp;

    RemoveFibEntryInput input = new RemoveFibEntryInputBuilder().setVpnName(vpnName).setSourceDpid(dpnId)
            .setIpAddress(externalIp).setServiceId(label).build();
    Future<RpcResult<Void>> future = fibService.removeFibEntry(input);

    ListenableFuture<RpcResult<Void>> labelFuture = Futures.transform(
            JdkFutureAdapters.listenInPoolThread(future),
            new AsyncFunction<RpcResult<Void>, RpcResult<Void>>() {

                @Override
                public ListenableFuture<RpcResult<Void>> apply(RpcResult<Void> result) throws Exception {
                    //Release label
                    if (result.isSuccessful()) {
                        removeTunnelTableEntry(dpnId, label);
                        removeLFibTableEntry(dpnId, label);
                        RemoveVpnLabelInput labelInput = new RemoveVpnLabelInputBuilder().setVpnName(vpnName)
                                .setIpPrefix(externalIp).build();
                        Future<RpcResult<Void>> labelFuture = vpnService.removeVpnLabel(labelInput);
                        return JdkFutureAdapters.listenInPoolThread(labelFuture);
                    } else {
                        String errMsg = String.format(
                                "RPC call to remove custom FIB entries on dpn %s for prefix %s Failed - %s",
                                dpnId, externalIp, result.getErrors());
                        LOG.error(errMsg);
                        return Futures.immediateFailedFuture(new RuntimeException(errMsg));
                    }
                }

            });

    Futures.addCallback(labelFuture, new FutureCallback<RpcResult<Void>>() {

        @Override
        public void onFailure(Throwable error) {
            LOG.error("NAT Service : Error in removing the label or custom fib entries", error);
        }

        @Override
        public void onSuccess(RpcResult<Void> result) {
            if (result.isSuccessful()) {
                LOG.debug("NAT Service : Successfully removed the label for the prefix {} from VPN {}",
                        externalIp, vpnName);
            } else {
                LOG.error("NAT Service : Error in removing the label for prefix {} from VPN {}, {}", externalIp,
                        vpnName, result.getErrors());
            }
        }
    });
}

---

From source file:org.opendaylight.netvirt.natservice.internal.ExternalRoutersListener.java

protected void delFibTsAndReverseTraffic(final BigInteger dpnId, long routerId, String extIp,
        final String vpnName, long tempLabel) {
    LOG.debug("NAT Service : Removing fib entry for externalIp {} in routerId {}", extIp, routerId);
    String routerName = NatUtil.getRouterName(dataBroker, routerId);
    if (routerName == null) {
        LOG.error("NAT Service : Could not retrieve Router Name from Router ID {} ", routerId);
        return;//  ww w. j a  v a2 s .c  o m
    }
    ProviderTypes extNwProvType = NatEvpnUtil.getExtNwProvTypeFromRouterName(dataBroker, routerName);
    if (extNwProvType == null) {
        return;
    }
    /*  Remove the flow table19->44 and table36->44 entries for SNAT reverse traffic flow if the
     * external network provided type is VxLAN
     */
    if (extNwProvType == ProviderTypes.VXLAN) {
        evpnSnatFlowProgrammer.evpnDelFibTsAndReverseTraffic(dpnId, routerId, extIp, vpnName);
        return;
    }
    if (tempLabel < 0 || tempLabel == NatConstants.INVALID_ID) {
        LOG.error("NAT Service : Label not found for externalIp {} with router id {}", extIp, routerId);
        return;
    }

    final long label = tempLabel;
    final String externalIp = extIp;

    RemoveFibEntryInput input = new RemoveFibEntryInputBuilder().setVpnName(vpnName).setSourceDpid(dpnId)
            .setIpAddress(externalIp).setServiceId(label).build();
    Future<RpcResult<Void>> future = fibService.removeFibEntry(input);

    ListenableFuture<RpcResult<Void>> labelFuture = Futures.transform(
            JdkFutureAdapters.listenInPoolThread(future),
            (AsyncFunction<RpcResult<Void>, RpcResult<Void>>) result -> {
                //Release label
                if (result.isSuccessful()) {
                    removeTunnelTableEntry(dpnId, label);
                    removeLFibTableEntry(dpnId, label);
                    NatUtil.removePreDnatToSnatTableEntry(mdsalManager, dpnId);
                    RemoveVpnLabelInput labelInput = new RemoveVpnLabelInputBuilder().setVpnName(vpnName)
                            .setIpPrefix(externalIp).build();
                    Future<RpcResult<Void>> labelFuture1 = vpnService.removeVpnLabel(labelInput);
                    return JdkFutureAdapters.listenInPoolThread(labelFuture1);
                } else {
                    String errMsg = String.format(
                            "RPC call to remove custom FIB entries on dpn %s for prefix %s " + "Failed - %s",
                            dpnId, externalIp, result.getErrors());
                    LOG.error(errMsg);
                    return Futures.immediateFailedFuture(new RuntimeException(errMsg));
                }
            });

    Futures.addCallback(labelFuture, new FutureCallback<RpcResult<Void>>() {

        @Override
        public void onFailure(Throwable error) {
            LOG.error("NAT Service : Error in removing the label or custom fib entries", error);
        }

        @Override
        public void onSuccess(RpcResult<Void> result) {
            if (result.isSuccessful()) {
                LOG.debug("NAT Service : Successfully removed the label for the prefix {} from VPN {}",
                        externalIp, vpnName);
            } else {
                LOG.error("NAT Service : Error in removing the label for prefix {} from VPN {}, {}", externalIp,
                        vpnName, result.getErrors());
            }
        }
    });
}

---

From source file:org.opendaylight.netvirt.natservice.internal.ExternalRoutersListener.java

private void delFibTsAndReverseTraffic(final BigInteger dpnId, long routerId, String extIp,
        final String vpnName) {
    LOG.debug("NAT Service : Removing fib entry for externalIp {} in routerId {}", extIp, routerId);
    String routerName = NatUtil.getRouterName(dataBroker, routerId);
    if (routerName == null) {
        LOG.error("NAT Service : Could not retrieve Router Name from Router ID {} ", routerId);
        return;//  w ww .ja  v  a  2 s .c  o  m
    }
    ProviderTypes extNwProvType = NatEvpnUtil.getExtNwProvTypeFromRouterName(dataBroker, routerName);
    if (extNwProvType == null) {
        return;
    }
    /* Remove the flow table19->44 and table36->44 entries for SNAT reverse traffic flow if the
     *  external network provided type is VxLAN
     */
    if (extNwProvType == ProviderTypes.VXLAN) {
        evpnSnatFlowProgrammer.evpnDelFibTsAndReverseTraffic(dpnId, routerId, extIp, vpnName);
        return;
    }
    //Get IPMaps from the DB for the router ID
    List<IpMap> dbIpMaps = NaptManager.getIpMapList(dataBroker, routerId);
    if (dbIpMaps == null || dbIpMaps.isEmpty()) {
        LOG.error("NAT Service : IPMaps not found for router {}", routerId);
        return;
    }

    long tempLabel = NatConstants.INVALID_ID;
    for (IpMap dbIpMap : dbIpMaps) {
        String dbExternalIp = dbIpMap.getExternalIp();
        LOG.debug("Retrieved dbExternalIp {} for router id {}", dbExternalIp, routerId);
        //Select the IPMap, whose external IP is the IP for which FIB is installed
        if (extIp.equals(dbExternalIp)) {
            tempLabel = dbIpMap.getLabel();
            LOG.debug("Retrieved label {} for dbExternalIp {} with router id {}", tempLabel, dbExternalIp,
                    routerId);
            break;
        }
    }
    if (tempLabel < 0 || tempLabel == NatConstants.INVALID_ID) {
        LOG.error("NAT Service : Label not found for externalIp {} with router id {}", extIp, routerId);
        return;
    }

    final long label = tempLabel;
    final String externalIp = extIp;

    RemoveFibEntryInput input = new RemoveFibEntryInputBuilder().setVpnName(vpnName).setSourceDpid(dpnId)
            .setIpAddress(externalIp).setServiceId(label).build();
    Future<RpcResult<Void>> future = fibService.removeFibEntry(input);

    ListenableFuture<RpcResult<Void>> labelFuture = Futures.transform(
            JdkFutureAdapters.listenInPoolThread(future),
            (AsyncFunction<RpcResult<Void>, RpcResult<Void>>) result -> {
                //Release label
                if (result.isSuccessful()) {
                    removeTunnelTableEntry(dpnId, label);
                    removeLFibTableEntry(dpnId, label);
                    RemoveVpnLabelInput labelInput = new RemoveVpnLabelInputBuilder().setVpnName(vpnName)
                            .setIpPrefix(externalIp).build();
                    Future<RpcResult<Void>> labelFuture1 = vpnService.removeVpnLabel(labelInput);
                    return JdkFutureAdapters.listenInPoolThread(labelFuture1);
                } else {
                    String errMsg = String.format(
                            "RPC call to remove custom FIB entries on dpn %s for " + "prefix %s Failed - %s",
                            dpnId, externalIp, result.getErrors());
                    LOG.error(errMsg);
                    return Futures.immediateFailedFuture(new RuntimeException(errMsg));
                }
            });

    Futures.addCallback(labelFuture, new FutureCallback<RpcResult<Void>>() {

        @Override
        public void onFailure(Throwable error) {
            LOG.error("NAT Service : Error in removing the label or custom fib entries", error);
        }

        @Override
        public void onSuccess(RpcResult<Void> result) {
            if (result.isSuccessful()) {
                LOG.debug("NAT Service : Successfully removed the label for the prefix {} from VPN {}",
                        externalIp, vpnName);
            } else {
                LOG.error("NAT Service : Error in removing the label for prefix {} from VPN {}, {}", externalIp,
                        vpnName, result.getErrors());
            }
        }
    });
}

---

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