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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package ai.vespa.metricsproxy.service;
import java.io.IOException;
import java.io.InputStream;
import java.util.concurrent.ExecutionException;
/**
* Fetch metrics for a given vespa service
*
* @author Jo Kristian Bergum
*/
public class RemoteMetricsFetcher extends HttpMetricFetcher {
final static String METRICS_PATH = STATE_PATH + "metrics";
RemoteMetricsFetcher(VespaService service, int port) {
super(service, port, METRICS_PATH);
}
/**
* Connect to remote service over http and fetch metrics
*/
public void getMetrics(MetricsParser.Consumer consumer, int fetchCount) {
try (InputStream stream = getJson()) {
createMetrics(stream, consumer, fetchCount);
} catch (IOException | InterruptedException | ExecutionException e) {
}
}
void createMetrics(String data, MetricsParser.Consumer consumer, int fetchCount) {
try {
MetricsParser.parse(data, consumer);
} catch (Exception e) {
handleException(e, data, fetchCount);
}
}
private void createMetrics(InputStream data, MetricsParser.Consumer consumer, int fetchCount) throws IOException {
try {
MetricsParser.parse(data, consumer);
} catch (Exception e) {
handleException(e, data, fetchCount);
while (data.read() != -1) {}
}
}
}
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