Examples with LispMalformedPacketException org.opendaylight.lispflowmapping.southbound.lisp.exception.LispMalformedPacketException used on opensource projects

Example 1 with LispMalformedPacketException

use of org.opendaylight.lispflowmapping.southbound.lisp.exception.LispMalformedPacketException in project lispflowmapping by opendaylight.

the class LispSouthboundHandler method extractEncapsulatedSourcePort.

@SuppressWarnings("checkstyle:IllegalCatch")
private int extractEncapsulatedSourcePort(ByteBuffer inBuffer) {
    try {
        inBuffer.position(PacketHeader.Length.LISP_ENCAPSULATION);
        int ipType = (inBuffer.get() >> 4);
        if (ipType == 4) {
            inBuffer.position(inBuffer.position() + PacketHeader.Length.IPV4 - 1);
        } else if (ipType == 6) {
            inBuffer.position(inBuffer.position() + PacketHeader.Length.IPV6_NO_EXT - 1);
        } else {
            throw new LispMalformedPacketException("Couldn't deserialize Map-Request: inner packet has unknown IP version: " + ipType);
        }
        int encapsulatedSourcePort = inBuffer.getShort() & 0xFFFF;
        inBuffer.position(inBuffer.position() + PacketHeader.Length.UDP - 2);
        return encapsulatedSourcePort;
    } catch (RuntimeException re) {
        throw new LispMalformedPacketException("Couldn't deserialize Map-Request (len=" + inBuffer.capacity() + ")", re);
    }
}

Example 2 with LispMalformedPacketException

use of org.opendaylight.lispflowmapping.southbound.lisp.exception.LispMalformedPacketException in project lispflowmapping by opendaylight.

the class LispSouthboundHandler method handleMapRegister.

@SuppressWarnings("checkstyle:IllegalCatch")
private void handleMapRegister(ByteBuffer inBuffer, InetAddress sourceAddress, int port) {
    try {
        Map.Entry<MapRegisterCacheKey, byte[]> artificialEntry = null;
        MapRegisterCacheKey cacheKey = null;
        MapRegisterCacheValue cacheValue = null;
        if (lispSbPlugin.isMapRegisterCacheEnabled()) {
            artificialEntry = MapRegisterPartialDeserializer.deserializePartially(inBuffer, sourceAddress);
            cacheKey = artificialEntry == null ? null : artificialEntry.getKey();
            cacheValue = resolveCacheValue(artificialEntry);
        }
        if (cacheValue != null) {
            lispSbPlugin.getStats().incrementCacheHits();
            MapRegisterCacheMetadata mapRegisterMeta = cacheValue.getMapRegisterCacheMetadata();
            LOG.debug("Map register message site-ID: {} xTR-ID: {} from cache.", mapRegisterMeta.getSiteId(), mapRegisterMeta.getXtrId());
            cacheValue = refreshEntry(cacheKey);
            if (cacheValue != null) {
                lispSbPlugin.sendNotificationIfPossible(createMappingKeepAlive(cacheValue));
                if (cacheValue.getMapRegisterCacheMetadata().isWantMapNotify()) {
                    sendMapNotifyMsg(inBuffer, sourceAddress, port, cacheValue);
                }
            }
        } else {
            lispSbPlugin.getStats().incrementCacheMisses();
            MapRegister mapRegister = MapRegisterSerializer.getInstance().deserialize(inBuffer, sourceAddress);
            MappingAuthkey mappingAuthkey = null;
            if (authenticationEnabled) {
                mappingAuthkey = tryToAuthenticateMessage(mapRegister, inBuffer);
                if (mappingAuthkey == null) {
                    return;
                }
            }
            AddMappingBuilder addMappingBuilder = new AddMappingBuilder();
            addMappingBuilder.setMapRegister(LispNotificationHelper.convertMapRegister(mapRegister));
            TransportAddressBuilder transportAddressBuilder = new TransportAddressBuilder();
            transportAddressBuilder.setIpAddress(LispNotificationHelper.getIpAddressBinaryFromInetAddress(sourceAddress));
            transportAddressBuilder.setPort(new PortNumber(port));
            addMappingBuilder.setTransportAddress(transportAddressBuilder.build());
            lispSbPlugin.sendNotificationIfPossible(addMappingBuilder.build());
            if (artificialEntry != null) {
                final MapRegisterCacheMetadataBuilder cacheMetadataBldNew = new MapRegisterCacheMetadataBuilder();
                cacheMetadataBldNew.setEidLispAddress(provideEidPrefixesFromMessage(mapRegister));
                cacheMetadataBldNew.setXtrId(mapRegister.getXtrId());
                cacheMetadataBldNew.setSiteId(mapRegister.getSiteId());
                cacheMetadataBldNew.setWantMapNotify(mapRegister.isWantMapNotify());
                cacheMetadataBldNew.setMergeEnabled(mapRegister.isMergeEnabled());
                cacheMetadataBldNew.setTimestamp(System.currentTimeMillis());
                final MapRegisterCacheValueBuilder cacheValueBldNew = new MapRegisterCacheValueBuilder();
                cacheValueBldNew.setPacketData(artificialEntry.getValue());
                cacheValueBldNew.setMappingAuthkey(mappingAuthkey);
                cacheValueBldNew.setMapRegisterCacheMetadata(cacheMetadataBldNew.build());
                lispSbPlugin.getMapRegisterCache().addEntry(cacheKey, cacheValueBldNew.build());
            }
        }
    } catch (RuntimeException re) {
        throw new LispMalformedPacketException("Couldn't deserialize Map-Register (len=" + inBuffer.capacity() + ")", re);
    } catch (InterruptedException e) {
        LOG.warn("Notification publication interrupted!");
    }
}

Example 3 with LispMalformedPacketException

use of org.opendaylight.lispflowmapping.southbound.lisp.exception.LispMalformedPacketException in project lispflowmapping by opendaylight.

the class LispSouthboundHandler method handleMapNotify.

@SuppressWarnings("checkstyle:IllegalCatch")
private void handleMapNotify(ByteBuffer inBuffer, InetAddress sourceAddress, int port) {
    try {
        MapNotify mapNotify = MapNotifySerializer.getInstance().deserialize(inBuffer);
        GotMapNotifyBuilder gotMapNotifyBuilder = new GotMapNotifyBuilder();
        gotMapNotifyBuilder.setMapNotify(LispNotificationHelper.convertMapNotify(mapNotify));
        TransportAddressBuilder transportAddressBuilder = new TransportAddressBuilder();
        transportAddressBuilder.setIpAddress(LispNotificationHelper.getIpAddressBinaryFromInetAddress(sourceAddress));
        transportAddressBuilder.setPort(new PortNumber(port));
        gotMapNotifyBuilder.setTransportAddress(transportAddressBuilder.build());
        lispSbPlugin.sendNotificationIfPossible(gotMapNotifyBuilder.build());
    } catch (RuntimeException re) {
        throw new LispMalformedPacketException("Couldn't deserialize Map-Notify (len=" + inBuffer.capacity() + ")", re);
    } catch (InterruptedException e) {
        LOG.warn("Notification publication interrupted!");
    }
}

Example 4 with LispMalformedPacketException

use of org.opendaylight.lispflowmapping.southbound.lisp.exception.LispMalformedPacketException in project lispflowmapping by opendaylight.

the class LispXtrSouthboundHandler method handleMapRequest.

@SuppressWarnings("checkstyle:IllegalCatch")
private void handleMapRequest(ByteBuffer inBuffer, InetAddress sourceAddress) {
    try {
        MapRequest request = MapRequestSerializer.getInstance().deserialize(inBuffer, sourceAddress);
        InetAddress finalSourceAddress = MapRequestUtil.selectItrRloc(request);
        if (finalSourceAddress == null) {
            throw new LispMalformedPacketException("Couldn't deserialize Map-Request, no ITR Rloc found!");
        }
        XtrRequestMappingBuilder requestMappingBuilder = new XtrRequestMappingBuilder();
        requestMappingBuilder.setMapRequest(LispNotificationHelper.convertMapRequest(request));
        TransportAddressBuilder transportAddressBuilder = new TransportAddressBuilder();
        transportAddressBuilder.setIpAddress(LispNotificationHelper.getIpAddressBinaryFromInetAddress(finalSourceAddress));
        transportAddressBuilder.setPort(new PortNumber(LispMessage.PORT_NUM));
        requestMappingBuilder.setTransportAddress(transportAddressBuilder.build());
        lispSbPlugin.sendNotificationIfPossible(requestMappingBuilder.build());
    } catch (RuntimeException re) {
        throw new LispMalformedPacketException("Couldn't deserialize Map-Request (len=" + inBuffer.capacity() + ")", re);
    } catch (InterruptedException e) {
        LOG.warn("Notification publication interrupted!");
    }
}

Example 5 with LispMalformedPacketException

use of org.opendaylight.lispflowmapping.southbound.lisp.exception.LispMalformedPacketException in project lispflowmapping by opendaylight.

the class LispXtrSouthboundHandler method handleMapReply.

@SuppressWarnings("checkstyle:IllegalCatch")
private void handleMapReply(ByteBuffer buffer) {
    try {
        MapReply reply = MapReplySerializer.getInstance().deserialize(buffer);
        XtrReplyMappingBuilder replyMappingBuilder = new XtrReplyMappingBuilder();
        replyMappingBuilder.setMapReply(LispNotificationHelper.convertMapReply(reply));
        lispSbPlugin.sendNotificationIfPossible(replyMappingBuilder.build());
    } catch (RuntimeException re) {
        throw new LispMalformedPacketException("Couldn't deserialize Map-Reply (len=" + buffer.capacity() + ")", re);
    } catch (InterruptedException e) {
        LOG.warn("Notification publication interrupted!");
    }
}