send metrics when connecting to the websocket
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Deploy App / docker (ubuntu-latest, 2.44.0, 17, 3.8.5) (push) Successful in 1m44s
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parent
c5758d38e0
commit
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@ -19,29 +19,42 @@ import java.util.concurrent.TimeUnit;
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@Log4j2(topic = "WebSocket/Metrics")
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public class MetricsWebSocketHandler extends TextWebSocketHandler {
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private final long interval = TimeUnit.SECONDS.toMillis(5);
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private final long interval = TimeUnit.SECONDS.toMillis(5);
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public final List<WebSocketSession> sessions = new ArrayList<>();
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public MetricsWebSocketHandler(MetricService metricService) {
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Timer.scheduleRepeating(() -> {
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try {
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WebsocketMetrics metrics = new WebsocketMetrics(Map.of(
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"totalRequests", metricService.getMetric(TotalRequestsMetric.class).getValue())
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);
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private final MetricService metricService;
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for (WebSocketSession session : sessions) {
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session.sendMessage(new TextMessage(Main.GSON.toJson(metrics)));
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}
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} catch (Exception e) {
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log.error("An error occurred while sending metrics to the client", e);
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public MetricsWebSocketHandler(MetricService metricService) {
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this.metricService = metricService;
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Timer.scheduleRepeating(() -> {
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for (WebSocketSession session : sessions) {
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sendMetrics(session);
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}
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}, interval, interval);
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}
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/**
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* Sends the metrics to the client.
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*
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* @param session the session to send the metrics to
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*/
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private void sendMetrics(WebSocketSession session) {
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try {
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WebsocketMetrics metrics = new WebsocketMetrics(Map.of(
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"totalRequests", metricService.getMetric(TotalRequestsMetric.class).getValue())
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);
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session.sendMessage(new TextMessage(Main.GSON.toJson(metrics)));
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} catch (Exception e) {
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log.error("An error occurred while sending metrics to the client", e);
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}
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}
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@Override
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public void afterConnectionEstablished(WebSocketSession session) {
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log.info("WebSocket connection established with session id: {}", session.getId());
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sendMetrics(session);
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sessions.add(session);
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}
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