zhongl.stream.netty.all.package.scala Maven / Gradle / Ivy
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/*
* Copyright 2019 Zhong Lunfu
*
* 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 zhongl.stream.netty
import io.netty.channel.Channel
import io.netty.channel.socket._
import io.netty.channel.unix.{DomainSocketChannel, ServerDomainSocketChannel}
import scala.reflect.ClassTag
package object all {
implicit def sct: Transport[SocketChannel] = findAvailable[SocketTransports, SocketChannel]
implicit def ssct: Transport[ServerSocketChannel] = findAvailable[SocketTransports, ServerSocketChannel]
implicit def dsct: Transport[DomainSocketChannel] = findAvailable[DomainSocketTransports, DomainSocketChannel]
implicit def sdsct: Transport[ServerDomainSocketChannel] = findAvailable[DomainSocketTransports, ServerDomainSocketChannel]
implicit private def stss: Seq[SocketTransports] = Seq(EpollTransports, KQueueTransports, NioTransports)
implicit private def dstss: Seq[DomainSocketTransports] = Seq(EpollTransports, KQueueTransports)
private def findAvailable[T <: Transports, C <: Channel](implicit
s: Seq[T],
c: ClassTag[C],
g: GetTransport[T, C]
): Transport[C] = {
s.find(_.available).map(g(_)).getOrElse { Transport.dummy[C] }
}
}