metrics/prometheus/before_invocation.go

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF 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
 *
 *     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 prometheus

import (
	"context"
)
import (
	"dubbo.apache.org/dubbo-go/v3/protocol"
)

func (reporter *PrometheusReporter) ReportBeforeInvocation(ctx context.Context, invoker protocol.Invoker, invocation protocol.Invocation) {
	if !reporter.reporterConfig.Enable {
		return
	}
	url := invoker.GetURL()

	role := getRole(url)
	if role == "" {
		return
	}
	labels := buildLabels(url)

	reporter.incRequestsProcessingTotalGaugeVec(role, &labels)
}