Examples with CodecDescription org.eclipse.milo.opcua.binaryschema.parser.CodecDescription used on opensource projects

Example 1 with CodecDescription

use of org.eclipse.milo.opcua.binaryschema.parser.CodecDescription in project milo by eclipse.

the class DataTypeDictionaryReader method registerCustomStructCodecs.

private CompletableFuture<DataTypeDictionary<?>> registerCustomStructCodecs(NodeId dictionaryNodeId, OpcUaBinaryDataTypeDictionary dictionary, List<CodecDescription> structCodecs) {
    CompletableFuture<List<NodeId>> descriptionNodeIds = browseDataTypeDescriptionNodeIds(dictionaryNodeId);
    CompletableFuture<List<String>> descriptionValues = descriptionNodeIds.thenCompose(this::readDataTypeDescriptionValues);
    if (logger.isTraceEnabled()) {
        try {
            List<NodeId> ids = descriptionNodeIds.get();
            List<String> values = descriptionValues.get();
            if (ids.size() != values.size()) {
                throw new IllegalStateException("size mismatch");
            }
            for (int i = 0; i < ids.size(); i++) {
                NodeId id = ids.get(i);
                String value = values.get(i);
                logger.trace("description NodeId={} value={}", id, value);
            }
        } catch (Exception e) {
            logger.error("Error reading description NodeIds", e);
        }
    }
    CompletableFuture<List<NodeId>> encodingIdsFuture = descriptionNodeIds.thenCompose(this::browseDataTypeEncodingNodeIds);
    return encodingIdsFuture.thenCompose(encodingIds -> browseDataTypeIds(encodingIds).thenCompose(dataTypeIds -> descriptionValues.thenApply(descriptions -> {
        Map<String, NodeId> encodingIdMap = new HashMap<>();
        Map<String, NodeId> dataTypeIdMap = new HashMap<>();
        if (descriptions.size() != encodingIds.size()) {
            throw new IllegalStateException(String.format("descriptions.size() != encodingIds.size() (%s != %s)", descriptions.size(), encodingIds.size()));
        }
        if (encodingIds.size() != dataTypeIds.size()) {
            throw new IllegalStateException(String.format("encodingIds.size() != dataTypeIds.size() (%s != %s)", encodingIds.size(), dataTypeIds.size()));
        }
        Iterator<String> descriptionIter = descriptions.iterator();
        Iterator<NodeId> encodingIdIter = encodingIds.iterator();
        Iterator<NodeId> dataTypeIdIter = dataTypeIds.iterator();
        while (descriptionIter.hasNext() && encodingIdIter.hasNext() && dataTypeIdIter.hasNext()) {
            String description = descriptionIter.next();
            encodingIdMap.put(description, encodingIdIter.next());
            dataTypeIdMap.put(description, dataTypeIdIter.next());
        }
        structCodecs.forEach(cd -> {
            String description = cd.getDescription();
            NodeId encodingId = encodingIdMap.get(description);
            NodeId dataTypeId = dataTypeIdMap.get(description);
            if (encodingId == null || encodingId.isNull()) {
                if (dataTypeId != null && dataTypeId.getNamespaceIndex().intValue() != 0) {
                    logger.warn("encodingId is null for description={}", description);
                } else {
                    // Theres a number of missing structures in the built-in type dictionary;
                    // namely the service request and response structures. It's expected that
                    // we won't be able to create codecs for these.
                    logger.debug("dataTypeId and encodingId is null for description={}", description);
                }
            } else if (dataTypeId == null || dataTypeId.isNull()) {
                logger.warn("dataTypeId is null for description={}", description);
            } else {
                dictionary.registerStructCodec(cd.getCodec(), description, dataTypeId, encodingId);
                logger.debug("Registered codec description={} dataTypeId={} encodingId={}", description, dataTypeId, encodingId);
            }
        });
        return dictionary;
    })));
}

Example 2 with CodecDescription

use of org.eclipse.milo.opcua.binaryschema.parser.CodecDescription in project milo by eclipse.

the class DataTypeDictionaryReader method createDataTypeDictionary.

private CompletableFuture<DataTypeDictionary<?>> createDataTypeDictionary(NodeId dictionaryNodeId, ByteString bs) {
    ByteArrayInputStream is = new ByteArrayInputStream(bs.bytesOrEmpty());
    try {
        DictionaryDescription dictionaryDescription = bsdParser.parse(is);
        String namespaceUri = dictionaryDescription.getNamespaceUri();
        OpcUaBinaryDataTypeDictionary dictionary = new OpcUaBinaryDataTypeDictionary(namespaceUri);
        List<CodecDescription> enumCodecs = dictionaryDescription.getEnumCodecs();
        enumCodecs.forEach(cd -> dictionary.registerEnumCodec(cd.getCodec(), cd.getDescription()));
        logger.debug("enumCodecs.size()={}", enumCodecs.size());
        List<CodecDescription> structCodecs = dictionaryDescription.getStructCodecs();
        logger.debug("structCodecs.size()={}", structCodecs.size());
        if (Namespaces.OPC_UA.equals(namespaceUri)) {
            return registerBuiltinStructCodecs(dictionary, structCodecs);
        } else {
            return registerCustomStructCodecs(dictionaryNodeId, dictionary, structCodecs);
        }
    } catch (JAXBException e) {
        return failedFuture(e);
    }
}