fs2.protocols.pcap.RecordHeader.scala Maven / Gradle / Ivy
/*
* Copyright (c) 2013 Functional Streams for Scala
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
// Adapted from scodec-protocols, licensed under 3-clause BSD
package fs2.protocols.pcap
import scala.concurrent.duration._
import scodec.bits.ByteOrdering
import scodec.Codec
import scodec.codecs._
case class RecordHeader(
timestampSeconds: Long,
timestampMicros: Long,
includedLength: Long,
originalLength: Long
) {
def timestamp: FiniteDuration = RecordHeader.timestamp(timestampSeconds, timestampMicros)
def fullPayload: Boolean = includedLength == originalLength
}
object RecordHeader {
private def timestamp(seconds: Long, micros: Long): FiniteDuration =
seconds.seconds + micros.micros
def apply(time: FiniteDuration, includedLength: Long, originalLength: Long): RecordHeader =
RecordHeader(time.toSeconds, time.toMicros % 1000000L, includedLength, originalLength)
// format: off
implicit def codec(implicit ordering: ByteOrdering): Codec[RecordHeader] = "record-header" | {
("ts_sec" | guint32 ) ::
("ts_usec" | guint32 ) ::
("incl_len" | guint32 ) ::
("orig_len" | guint32 )
}.as[RecordHeader]
// format: on
}