kopia lustrzana https://github.com/bertrik/ttnhabbridge
Medad Rufus Newman
rodzic
ad91226589
commit
810fde0b55
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@ -18,7 +18,14 @@ import javax.xml.bind.DatatypeConverter;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import nl.sikken.bertrik.hab.amateurSondehub.HabReceiver;
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import nl.sikken.bertrik.hab.amateurSondehub.AmateurSondehubConfig;
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import nl.sikken.bertrik.hab.amateurSondehub.IAmateurSondehubRestApi;
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import nl.sikken.bertrik.hab.amateurSondehub.UploadResult;
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import nl.sikken.bertrik.hab.amateurSondehub.UuidsList;
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import nl.sikken.bertrik.hab.amateurSondehub.docs.ListenerInformationDoc;
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import nl.sikken.bertrik.hab.amateurSondehub.docs.ListenerTelemetryDoc;
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import nl.sikken.bertrik.hab.amateurSondehub.docs.PayloadTelemetryDoc;
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import okhttp3.OkHttpClient;
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import retrofit2.Response;
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import retrofit2.Retrofit;
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@ -37,9 +44,44 @@ public final class AmateurSondehubUploader {
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private static final Logger LOG = LoggerFactory.getLogger(AmateurSondehubUploader.class);
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private final ExecutorService executor = Executors.newSingleThreadExecutor();
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private final Encoder base64Encoder = Base64.getEncoder();
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private final MessageDigest sha256;
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private final IAmateurSondehubRestApi restClient;
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/**
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* Creates a new amateurSondehub uploader.
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*
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* @param config the configuration
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* @return the amateurSondehub uploader
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*/
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public static AmateurSondehubUploader create(AmateurSondehubConfig config) {
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LOG.info("Creating new amateurSondehub REST client with timeout {} for {}", config.getTimeout(),
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config.getUrl());
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Duration timeout = Duration.ofSeconds(config.getTimeout());
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OkHttpClient client = new OkHttpClient().newBuilder().callTimeout(timeout).build();
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Retrofit retrofit = new Retrofit.Builder().baseUrl(config.getUrl())
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.addConverterFactory(ScalarsConverterFactory.create())
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.addConverterFactory(JacksonConverterFactory.create()).client(client).build();
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IAmateurSondehubRestApi restClient = retrofit.create(IAmateurSondehubRestApi.class);
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return new AmateurSondehubUploader(restClient);
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}
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/**
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* Constructor.
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*
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* @param restClient the REST client used for uploading
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*/
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AmateurSondehubUploader(IAmateurSondehubRestApi restClient) {
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try {
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this.sha256 = MessageDigest.getInstance("SHA-256");
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} catch (NoSuchAlgorithmException e) {
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// this is fatal
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throw new IllegalStateException("No SHA-256 hash found", e);
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}
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this.restClient = restClient;
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}
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/**
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* Starts the uploader process.
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*/
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@ -55,7 +97,113 @@ public final class AmateurSondehubUploader {
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executor.shutdown();
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}
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/**
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* Schedules a new sentence to be sent to the HAB network.
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*
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* @param sentence the ASCII sentence
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* @param receivers list of listener that received this sentence
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* @param instant the current date/time
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*/
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public void schedulePayloadTelemetryUpload(String sentence, List<HabReceiver> receivers, Instant instant) {
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LOG.info("Uploading for {} receivers: {}", receivers.size(), sentence.trim());
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// encode sentence as raw bytes
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byte[] bytes = sentence.getBytes(StandardCharsets.US_ASCII);
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// determine docId
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String docId = createDocId(bytes);
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for (HabReceiver receiver : receivers) {
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// create Json
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PayloadTelemetryDoc doc = new PayloadTelemetryDoc(instant, bytes);
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doc.addCallSign(receiver.getCallsign());
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String json = doc.format();
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// submit it to our processing thread
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executor.execute(() -> uploadPayloadTelemetry(docId, json));
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}
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}
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/**
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* Performs the actual payload telemetry upload as a REST-like call towards
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* amateurSondehub.
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*
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* @param docId the document id
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* @param json the JSON payload
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*/
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private void uploadPayloadTelemetry(String docId, String json) {
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LOG.info("Upload payload telemetry doc {}: {}", docId, json);
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try {
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Response<String> response = restClient.updateListener(docId, json).execute();
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if (response.isSuccessful()) {
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LOG.info("Result payload telemetry doc {}: {}", docId, response.body());
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} else {
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LOG.warn("Result payload telemetry doc {}: {}", docId, response.message());
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}
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} catch (IOException e) {
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LOG.warn("Caught IOException: {}", e.getMessage());
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} catch (Exception e) {
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LOG.error("Caught Exception: {}", e);
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}
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}
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/**
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* Creates the document id from the raw payload telemetry sentence.
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*
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* @param bytes the raw sentence
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* @return the document id
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*/
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private String createDocId(byte[] bytes) {
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byte[] base64 = base64Encoder.encode(bytes);
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byte[] hash = sha256.digest(base64);
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return DatatypeConverter.printHexBinary(hash).toLowerCase(Locale.ROOT);
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}
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/**
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* Schedules new listener data to be sent to amateurSondehub.
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*
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* @param receiver the receiver data
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* @param instant the current date/time
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*/
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public void scheduleListenerDataUpload(HabReceiver receiver, Instant instant) {
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executor.execute(() -> uploadListener(receiver, instant));
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}
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/**
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* Uploads listener data (information and telemetry)
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*
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* @param receiver the receiver/listener
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* @param instant the current date/time
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*/
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private void uploadListener(HabReceiver receiver, Instant instant) {
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LOG.info("Upload listener data for {}", receiver);
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try {
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// get two uuids
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LOG.info("Getting UUIDs for listener data upload...");
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UuidsList list = restClient.getUuids(2).execute().body();
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List<String> uuids = list.getUuids();
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if ((uuids != null) && (uuids.size() >= 2)) {
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LOG.info("Got {} UUIDs", uuids.size());
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// upload payload listener info
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LOG.info("Upload listener info using UUID {}...", uuids.get(0));
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ListenerInformationDoc info = new ListenerInformationDoc(instant, receiver);
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UploadResult infoResult = restClient.uploadDocument(uuids.get(0), info.format()).execute().body();
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LOG.info("Result listener info: {}", infoResult);
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// upload payload telemetry
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LOG.info("Upload listener telemetry using UUID {}...", uuids.get(1));
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ListenerTelemetryDoc telem = new ListenerTelemetryDoc(instant, receiver);
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UploadResult telemResult = restClient.uploadDocument(uuids.get(1), telem.format()).execute().body();
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LOG.info("Result listener telemetry: {}", telemResult);
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} else {
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LOG.warn("Did not receive UUIDs for upload");
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}
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} catch (IOException e) {
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LOG.warn("Caught IOException: {}", e.getMessage());
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} catch (Exception e) {
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LOG.error("Caught Exception: {}", e);
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}
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}
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}
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