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ClientMaxConnectionAgeTest.java
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ClientMaxConnectionAgeTest.java
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/*
* Copyright 2020 LINE Corporation
*
* LINE Corporation licenses this file to you under the Apache License,
* version 2.0 (the "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at:
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*/
package com.linecorp.armeria.client;
import static com.linecorp.armeria.common.HttpStatus.OK;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
import static org.awaitility.Awaitility.await;
import java.net.InetSocketAddress;
import java.time.Duration;
import java.time.temporal.ChronoUnit;
import java.util.concurrent.atomic.AtomicInteger;
import org.hamcrest.Matchers;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.extension.RegisterExtension;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.EnumSource;
import org.junit.jupiter.params.provider.EnumSource.Mode;
import com.linecorp.armeria.common.HttpResponse;
import com.linecorp.armeria.common.SessionProtocol;
import com.linecorp.armeria.common.metric.MoreMeters;
import com.linecorp.armeria.server.ServerBuilder;
import com.linecorp.armeria.server.annotation.Get;
import com.linecorp.armeria.server.annotation.Param;
import com.linecorp.armeria.testing.junit5.server.ServerExtension;
import io.micrometer.core.instrument.simple.SimpleMeterRegistry;
import io.netty.util.AttributeMap;
class ClientMaxConnectionAgeTest {
private static final long MAX_CONNECTION_AGE = 2000;
@RegisterExtension
static ServerExtension server = new ServerExtension() {
@Override
protected void configure(ServerBuilder sb) {
sb.http(0);
sb.https(0);
sb.tlsSelfSigned();
sb.idleTimeoutMillis(0);
sb.requestTimeoutMillis(0);
sb.service("/", (ctx, req) -> HttpResponse.of(OK));
sb.annotatedService("/delayed", new Object() {
@Get
public HttpResponse delayed(@Param("seconds") String seconds) {
return HttpResponse.delayed(
HttpResponse.of(200), Duration.of(Long.valueOf(seconds), ChronoUnit.SECONDS));
}
});
}
@Override
protected boolean runForEachTest() {
return true;
}
};
private AtomicInteger opened;
private AtomicInteger closed;
private ConnectionPoolListener connectionPoolListener;
@BeforeEach
void setUp() {
opened = new AtomicInteger();
closed = new AtomicInteger();
connectionPoolListener = new ConnectionPoolListener() {
@Override
public void connectionOpen(SessionProtocol protocol, InetSocketAddress remoteAddr,
InetSocketAddress localAddr, AttributeMap attrs) throws Exception {
opened.incrementAndGet();
}
@Override
public void connectionClosed(SessionProtocol protocol, InetSocketAddress remoteAddr,
InetSocketAddress localAddr, AttributeMap attrs) throws Exception {
closed.incrementAndGet();
}
};
}
@EnumSource(value = SessionProtocol.class, names = "PROXY", mode = Mode.EXCLUDE)
@ParameterizedTest
void maxConnectionAge(SessionProtocol protocol) {
final int maxClosedConnection = 5;
final SimpleMeterRegistry meterRegistry = new SimpleMeterRegistry();
final ClientFactory clientFactory = ClientFactory.builder()
.connectionPoolListener(connectionPoolListener)
.idleTimeoutMillis(0)
.maxConnectionAgeMillis(MAX_CONNECTION_AGE)
.meterRegistry(meterRegistry)
.tlsNoVerify()
.build();
final WebClient client = WebClient.builder(server.uri(protocol))
.factory(clientFactory)
.responseTimeoutMillis(0)
.build();
for (int i = 0; i < 5; i++) {
assertThat(opened).hasValue(i);
assertThat(closed).hasValue(i);
assertThat(client.get("/").aggregate().join().status()).isEqualTo(OK);
await().timeout(Duration.ofSeconds(2)).untilAtomic(opened, Matchers.is(i + 1));
await().timeout(Duration.ofSeconds(5)).untilAtomic(closed, Matchers.is(i + 1));
}
await().untilAsserted(() -> {
String scheme = protocol.uriText();
if ("http".equals(scheme)) {
scheme = "h2c";
}
if ("https".equals(scheme)) {
scheme = "h2";
}
assertThat(MoreMeters.measureAll(meterRegistry))
.hasEntrySatisfying(
"armeria.client.connections.lifespan.percentile#value{phi=0,protocol=" +
scheme + '}',
value -> {
assertThat(value * 1000)
.isBetween(MAX_CONNECTION_AGE - 300.0, MAX_CONNECTION_AGE + 4000.0);
})
.hasEntrySatisfying(
"armeria.client.connections.lifespan.percentile#value{phi=1,protocol=" +
scheme + '}',
value -> {
assertThat(value * 1000)
.isBetween(MAX_CONNECTION_AGE - 300.0, MAX_CONNECTION_AGE + 4000.0);
})
.hasEntrySatisfying(
"armeria.client.connections.lifespan#count{protocol=" + scheme + '}',
value -> assertThat(value).isEqualTo(maxClosedConnection));
});
clientFactory.closeAsync();
}
@EnumSource(value = SessionProtocol.class, names = "PROXY", mode = Mode.EXCLUDE)
@ParameterizedTest
void shouldCloseIdleConnectionByMaxConnectionAge(SessionProtocol protocol) {
try (ClientFactory factory = ClientFactory.builder()
.connectionPoolListener(connectionPoolListener)
.idleTimeoutMillis(0)
.maxConnectionAgeMillis(MAX_CONNECTION_AGE)
.tlsNoVerify()
.build()) {
final WebClient client = WebClient.builder(server.uri(protocol))
.factory(factory)
.responseTimeoutMillis(0)
.build();
assertThat(client.get("/").aggregate().join().status()).isEqualTo(OK);
await().untilAtomic(opened, Matchers.is(1));
await().untilAtomic(closed, Matchers.is(1));
}
}
@EnumSource(value = SessionProtocol.class, names = "PROXY", mode = Mode.EXCLUDE)
@ParameterizedTest
void shouldCloseLongRequestsByMaxConnectionAge(SessionProtocol protocol) throws Exception {
try (ClientFactory factory = ClientFactory.builder()
.connectionPoolListener(connectionPoolListener)
.idleTimeoutMillis(0)
.maxConnectionAgeMillis(MAX_CONNECTION_AGE)
.tlsNoVerify()
.build()) {
final WebClient client = WebClient.builder(server.uri(protocol))
.factory(factory)
.responseTimeoutMillis(0)
.build();
assertThat(client.get("/delayed?seconds=4").aggregate().join().status()).isEqualTo(OK);
await().untilAtomic(opened, Matchers.is(1));
await().untilAtomic(closed, Matchers.is(1));
}
}
@EnumSource(value = SessionProtocol.class, names = "PROXY", mode = Mode.EXCLUDE)
@ParameterizedTest
void shouldCloseTimeoutLongRequestsByMaxConnectionAge(SessionProtocol protocol) throws Exception {
try (ClientFactory factory = ClientFactory.builder()
.connectionPoolListener(connectionPoolListener)
.idleTimeoutMillis(0)
.maxConnectionAgeMillis(MAX_CONNECTION_AGE)
.tlsNoVerify()
.build()) {
final long responseTimeoutMillis = MAX_CONNECTION_AGE + 1000;
final WebClient client = WebClient.builder(server.uri(protocol))
.factory(factory)
.responseTimeoutMillis(responseTimeoutMillis)
.build();
assertThatThrownBy(() -> client.get("/delayed?seconds=10").aggregate().join().status())
.hasRootCauseInstanceOf(ResponseTimeoutException.class);
await().untilAtomic(opened, Matchers.is(1));
await().untilAtomic(closed, Matchers.is(1));
}
}
}