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// Copyright 2020 Oath Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.jdisc.http.server.jetty;
import com.yahoo.jdisc.Metric;
import org.eclipse.jetty.io.ssl.SslHandshakeListener;
import javax.net.ssl.SSLHandshakeException;
import java.util.HashMap;
import java.util.Map;
import java.util.Optional;
import java.util.function.Predicate;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.regex.Pattern;
/**
* A {@link SslHandshakeListener} that reports metrics for SSL handshake failures.
*
* @author bjorncs
*/
class SslHandshakeFailedListener implements SslHandshakeListener {
private final static Logger log = Logger.getLogger(SslHandshakeFailedListener.class.getName());
private final Metric metric;
private final String connectorName;
private final int listenPort;
SslHandshakeFailedListener(Metric metric, String connectorName, int listenPort) {
this.metric = metric;
this.connectorName = connectorName;
this.listenPort = listenPort;
}
@Override
public void handshakeFailed(Event event, Throwable throwable) {
log.log(Level.FINE, throwable, () -> "Ssl handshake failed: " + throwable.getMessage());
String metricName = SslHandshakeFailure.fromSslHandshakeException((SSLHandshakeException) throwable)
.map(SslHandshakeFailure::metricName)
.orElse(MetricDefinitions.SSL_HANDSHAKE_FAILURE_UNKNOWN);
metric.add(metricName, 1L, metric.createContext(createDimensions(event)));
}
private Map<String, Object> createDimensions(Event event) {
Map<String, Object> dimensions = new HashMap<>();
dimensions.put(MetricDefinitions.NAME_DIMENSION, connectorName);
dimensions.put(MetricDefinitions.PORT_DIMENSION, listenPort);
Optional.ofNullable(event.getSSLEngine().getPeerHost())
.ifPresent(clientIp -> dimensions.put(MetricDefinitions.CLIENT_IP_DIMENSION, clientIp));
return Map.copyOf(dimensions);
}
}
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