| /* |
| * 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 org.apache.tuweni.ethstats.opentelemetry |
| |
| import io.opentelemetry.api.common.AttributeKey |
| import io.opentelemetry.api.common.Attributes |
| import io.opentelemetry.api.metrics.Meter |
| import org.apache.tuweni.ethstats.BlockStats |
| import org.apache.tuweni.ethstats.EthStatsServerController |
| |
| /** |
| * Ethstats server controller for an OpenTelemetry meter. |
| */ |
| class OpenTelemetryServerController(meter: Meter) : EthStatsServerController { |
| |
| private val latencyGauge = meter.gaugeBuilder("ethstats.latency").ofLongs().setUnit("ms").buildObserver() |
| |
| private val latestBlockGauge = meter.gaugeBuilder("ethstats.latestBlock").ofLongs().buildObserver() |
| |
| private val pendingTxCount = meter.gaugeBuilder("ethstats.pendingTx").ofLongs().buildObserver() |
| |
| override fun readLatency(remoteAddress: String, id: String, latency: Long) { |
| latencyGauge.record( |
| latency, |
| Attributes.of(AttributeKey.stringKey("address"), remoteAddress, AttributeKey.stringKey("id"), id) |
| ) |
| } |
| |
| override fun readBlock(remoteAddress: String, id: String, block: BlockStats) { |
| latestBlockGauge.record( |
| block.number.toLong(), |
| Attributes.of(AttributeKey.stringKey("address"), remoteAddress, AttributeKey.stringKey("id"), id) |
| ) |
| } |
| |
| override fun readPendingTx(remoteAddress: String, id: String, pendingTx: Long) { |
| pendingTxCount.record( |
| pendingTx, |
| Attributes.of(AttributeKey.stringKey("address"), remoteAddress, AttributeKey.stringKey("id"), id) |
| ) |
| } |
| } |