Add metric for content-length header distribution

This commit is contained in:
Chris Eager 2021-08-05 17:21:48 -05:00 committed by Chris Eager
parent d1ada7f998
commit 3e01bc1174
3 changed files with 75 additions and 1 deletions

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@ -94,6 +94,7 @@ import org.whispersystems.textsecuregcm.currency.CurrencyConversionManager;
import org.whispersystems.textsecuregcm.currency.FixerClient;
import org.whispersystems.textsecuregcm.currency.FtxClient;
import org.whispersystems.textsecuregcm.experiment.ExperimentEnrollmentManager;
import org.whispersystems.textsecuregcm.filters.ContentLengthFilter;
import org.whispersystems.textsecuregcm.filters.RemoteDeprecationFilter;
import org.whispersystems.textsecuregcm.filters.TimestampResponseFilter;
import org.whispersystems.textsecuregcm.limits.PreKeyRateLimiter;
@ -545,6 +546,7 @@ public class WhisperServerService extends Application<WhisperServerConfiguration
environment.servlets().addFilter("RemoteDeprecationFilter", new RemoteDeprecationFilter(dynamicConfigurationManager))
.addMappingForUrlPatterns(EnumSet.of(DispatcherType.REQUEST), false, "/*");
environment.jersey().register(new ContentLengthFilter(TrafficSource.HTTP));
environment.jersey().register(MultiRecipientMessageProvider.class);
environment.jersey().register(new MetricsApplicationEventListener(TrafficSource.HTTP));
environment.jersey().register(new PolymorphicAuthDynamicFeature<>(ImmutableMap.of(Account.class, accountAuthFilter,
@ -556,7 +558,10 @@ public class WhisperServerService extends Application<WhisperServerConfiguration
///
WebSocketEnvironment<Account> webSocketEnvironment = new WebSocketEnvironment<>(environment, config.getWebSocketConfiguration(), 90000);
webSocketEnvironment.setAuthenticator(new WebSocketAccountAuthenticator(accountAuthenticator));
webSocketEnvironment.setConnectListener(new AuthenticatedConnectListener(receiptSender, messagesManager, messageSender, apnFallbackManager, clientPresenceManager, retrySchedulingExecutor));
webSocketEnvironment.setConnectListener(
new AuthenticatedConnectListener(receiptSender, messagesManager, messageSender, apnFallbackManager,
clientPresenceManager, retrySchedulingExecutor));
webSocketEnvironment.jersey().register(new ContentLengthFilter(TrafficSource.WEBSOCKET));
webSocketEnvironment.jersey().register(MultiRecipientMessageProvider.class);
webSocketEnvironment.jersey().register(new MetricsApplicationEventListener(TrafficSource.WEBSOCKET));
webSocketEnvironment.jersey().register(new KeepAliveController(clientPresenceManager));

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@ -0,0 +1,37 @@
/*
* Copyright 2021 Signal Messenger, LLC
* SPDX-License-Identifier: AGPL-3.0-only
*/
package org.whispersystems.textsecuregcm.filters;
import static com.codahale.metrics.MetricRegistry.name;
import io.micrometer.core.instrument.Metrics;
import java.io.IOException;
import javax.ws.rs.container.ContainerRequestContext;
import javax.ws.rs.container.ContainerRequestFilter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.whispersystems.textsecuregcm.metrics.TrafficSource;
public class ContentLengthFilter implements ContainerRequestFilter {
private static final String CONTENT_LENGTH_DISTRIBUTION_NAME = name(ContentLengthFilter.class, "contentLength");
private static final Logger logger = LoggerFactory.getLogger(ContentLengthFilter.class);
private final TrafficSource trafficSource;
public ContentLengthFilter(final TrafficSource trafficeSource) {
this.trafficSource = trafficeSource;
}
@Override
public void filter(final ContainerRequestContext requestContext) throws IOException {
try {
Metrics.summary(CONTENT_LENGTH_DISTRIBUTION_NAME, "trafficSource", trafficSource.name().toLowerCase()).record(requestContext.getLength());
} catch (final Exception e) {
logger.warn("Error recording content length", e);
}
}
}

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@ -0,0 +1,32 @@
/*
* Copyright 2021 Signal Messenger, LLC
* SPDX-License-Identifier: AGPL-3.0-only
*/
package org.whispersystems.textsecuregcm.filters;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import javax.ws.rs.container.ContainerRequestContext;
import org.junit.jupiter.api.Test;
import org.whispersystems.textsecuregcm.metrics.TrafficSource;
class ContentLengthFilterTest {
@Test
void testFilter() throws Exception {
final ContentLengthFilter contentLengthFilter = new ContentLengthFilter(TrafficSource.WEBSOCKET);
final ContainerRequestContext requestContext = mock(ContainerRequestContext.class);
when(requestContext.getLength()).thenReturn(-1);
when(requestContext.getLength()).thenReturn(Integer.MAX_VALUE);
when(requestContext.getLength()).thenThrow(RuntimeException.class);
contentLengthFilter.filter(requestContext);
contentLengthFilter.filter(requestContext);
contentLengthFilter.filter(requestContext);
}
}