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// Copyright (C) 2021 The Android Open Source Project
//
// Licensed 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
//
// http://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.google.gerrit.server;
import com.google.gerrit.common.UsedAt;
import com.google.gerrit.metrics.Counter1;
import com.google.gerrit.metrics.Counter3;
import com.google.gerrit.metrics.Description;
import com.google.gerrit.metrics.Field;
import com.google.gerrit.metrics.MetricMaker;
import com.google.gerrit.server.cancellation.RequestStateProvider;
import com.google.gerrit.server.logging.Metadata;
import com.google.inject.Inject;
import com.google.inject.Singleton;
/** Metrics for request cancellations and deadlines. */
@Singleton
public class CancellationMetrics {
private final Counter3 advisoryDeadlineCount;
private final Counter3 cancelledRequestsCount;
private final Counter1 receiveTimeoutCount;
@Inject
CancellationMetrics(MetricMaker metrics) {
this.advisoryDeadlineCount =
metrics.newCounter(
"cancellation/advisory_deadline_count",
new Description("Exceeded advisory deadlines by request").setRate(),
Field.ofString("request_type", Metadata.Builder::requestType)
.description("The type of the request to which the advisory deadline applied.")
.build(),
Field.ofString("request_uri", Metadata.Builder::restViewName)
.description(
"The redacted URI of the request to which the advisory deadline applied"
+ " (only set for request_type = REST).")
.build(),
Field.ofString("deadline_id", (metadataBuilder, resolveAllUsers) -> {})
.description("The ID of the advisory deadline.")
.build());
this.cancelledRequestsCount =
metrics.newCounter(
"cancellation/cancelled_requests_count",
new Description("Number of request cancellations by request").setRate(),
Field.ofString("request_type", Metadata.Builder::requestType)
.description("The type of the request that was cancelled.")
.build(),
Field.ofString("request_uri", Metadata.Builder::restViewName)
.description(
"The redacted URI of the request that was cancelled"
+ " (only set for request_type = REST).")
.build(),
Field.ofEnum(
RequestStateProvider.Reason.class,
"cancellation_reason",
Metadata.Builder::cancellationReason)
.description("The reason why the request was cancelled.")
.build());
this.receiveTimeoutCount =
metrics.newCounter(
"cancellation/receive_timeout_count",
new Description(
"Number of requests that are cancelled because receive.timout is exceeded")
.setRate(),
Field.ofString("cancellation_type", (metadataBuilder, resolveAllUsers) -> {})
.description("The cancellation type (graceful or forceful).")
.build());
}
public void countAdvisoryDeadline(RequestInfo requestInfo, String deadlineId) {
advisoryDeadlineCount.increment(
requestInfo.requestType(), requestInfo.redactedRequestUri().orElse(""), deadlineId);
}
public void countCancelledRequest(
RequestInfo requestInfo, RequestStateProvider.Reason cancellationReason) {
cancelledRequestsCount.increment(
requestInfo.requestType(), requestInfo.redactedRequestUri().orElse(""), cancellationReason);
}
public void countCancelledRequest(
RequestInfo.RequestType requestType,
String requestUri,
RequestStateProvider.Reason cancellationReason) {
cancelledRequestsCount.increment(
requestType.name(), RequestInfo.redactRequestUri(requestUri), cancellationReason);
}
@UsedAt(UsedAt.Project.GOOGLE)
public void countCancelledRequest(
String requestType,
String redactedRequestUri,
RequestStateProvider.Reason cancellationReason) {
cancelledRequestsCount.increment(requestType, redactedRequestUri, cancellationReason);
}
public void countGracefulReceiveTimeout() {
receiveTimeoutCount.increment("graceful");
}
public void countForcefulReceiveTimeout() {
receiveTimeoutCount.increment("forceful");
}
}
