io.gatling.graphite.message.GraphiteMetrics.scala Maven / Gradle / Ivy

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/*
 * Copyright 2011-2024 GatlingCorp (https://gatling.io)
 *
 * 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 io.gatling.graphite.message

import java.nio.charset.StandardCharsets.UTF_8

import io.gatling.shared.util.StringBuilderPool

import akka.util.ByteString
import com.typesafe.scalalogging.StrictLogging

private[graphite] final case class GraphiteMetrics(byteString: ByteString)

private[graphite] object GraphiteMetrics extends StrictLogging {
  def apply(pathValuePairs: Iterator[(String, Long)], epoch: Long): GraphiteMetrics = {
    val sb = StringBuilderPool.DEFAULT.get()
    pathValuePairs.foreach { case (path, value) =>
      sb.append(path).append(' ').append(value).append(' ').append(epoch).append('\n')
    }
    logger.debug(s"GraphiteMetrics=${sb.toString}")
    GraphiteMetrics(ByteString(sb.toString, UTF_8.name))
  }
}