wvlet.airframe.fluentd.FluentdLogger.scala Maven / Gradle / Ivy
/*
* 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 wvlet.airframe.fluentd
import java.time.Instant
import org.komamitsu.fluency.{EventTime, Fluency}
import wvlet.log.LogSupport
class FluentdLogger(val tagPrefix: Option[String] = None, useExtendedEventTime: Boolean, fluency: Fluency)
extends MetricLogger
with LogSupport {
override def withTagPrefix(newTagPrefix: String): FluentdLogger = {
new FluentdLogger(Some(newTagPrefix), useExtendedEventTime, fluency)
}
override def start(): Unit = {
debug("Starting Fluency")
}
override def flush(): Unit = {
fluency.flush()
}
override def close(): Unit = {
debug(s"Stopping Fluency")
flush()
fluency.close()
}
private def getEventTime: EventTime = {
val now = Instant.now()
val eventTime = EventTime.fromEpoch(now.getEpochSecond.toInt, now.getNano.toInt)
eventTime
}
override def emitRaw(fullTag: String, event: Map[String, Any]): Unit = {
if (useExtendedEventTime) {
fluency.emit(fullTag, getEventTime, toJavaMap(event))
} else {
fluency.emit(fullTag, toJavaMap(event))
}
}
override def emitRawMsgPack(tag: String, event: Array[Byte]): Unit = {
if (useExtendedEventTime) {
fluency.emit(tag, getEventTime, event, 0, event.length)
} else {
fluency.emit(tag, event, 0, event.length)
}
}
private def toJavaMap(event: Map[String, Any]): java.util.Map[String, AnyRef] = {
import scala.jdk.CollectionConverters.*
(for ((k, v) <- event) yield {
k -> v.asInstanceOf[AnyRef]
}).asJava
}
}