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send metrics when connecting to the websocket

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Lee 2024-04-18 01:04:25 +01:00
parent c5758d38e0
commit 9fd84f2e5b
1 changed files with 25 additions and 12 deletions
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35
src/main/java/xyz/mcutils/backend/websocket/MetricsWebSocketHandler.java
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@ -22,26 +22,39 @@ public class MetricsWebSocketHandler extends TextWebSocketHandler {
private final long interval = TimeUnit.SECONDS.toMillis(5); private final long interval = TimeUnit.SECONDS.toMillis(5);
public final List<WebSocketSession> sessions = new ArrayList<>(); public final List<WebSocketSession> sessions = new ArrayList<>();
public MetricsWebSocketHandler(MetricService metricService) { private final MetricService metricService;
Timer.scheduleRepeating(() -> {
try {
WebsocketMetrics metrics = new WebsocketMetrics(Map.of(
"totalRequests", metricService.getMetric(TotalRequestsMetric.class).getValue())
);
for (WebSocketSession session : sessions) { public MetricsWebSocketHandler(MetricService metricService) {
session.sendMessage(new TextMessage(Main.GSON.toJson(metrics))); this.metricService = metricService;
} Timer.scheduleRepeating(() -> {
} catch (Exception e) { for (WebSocketSession session : sessions) {
log.error("An error occurred while sending metrics to the client", e); sendMetrics(session);
} }
}, interval, interval); }, interval, interval);
} }
/**
* Sends the metrics to the client.
*
* @param session the session to send the metrics to
*/
private void sendMetrics(WebSocketSession session) {
try {
WebsocketMetrics metrics = new WebsocketMetrics(Map.of(
"totalRequests", metricService.getMetric(TotalRequestsMetric.class).getValue())
);
session.sendMessage(new TextMessage(Main.GSON.toJson(metrics)));
} catch (Exception e) {
log.error("An error occurred while sending metrics to the client", e);
}
}
@Override @Override
public void afterConnectionEstablished(WebSocketSession session) { public void afterConnectionEstablished(WebSocketSession session) {
log.info("WebSocket connection established with session id: {}", session.getId()); log.info("WebSocket connection established with session id: {}", session.getId());
sendMetrics(session);
sessions.add(session); sessions.add(session);
} }