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mangadex_at_home/src/main/kotlin/mdnet/base/netty/WebUiNetty.kt
2020-08-11 14:12:01 -05:00

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3.3 KiB
Kotlin

/*
Mangadex@Home
Copyright (c) 2020, MangaDex Network
This file is part of MangaDex@Home.
MangaDex@Home is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
MangaDex@Home is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this MangaDex@Home. If not, see <http://www.gnu.org/licenses/>.
*/
package mdnet.base.netty
import io.netty.bootstrap.ServerBootstrap
import io.netty.channel.ChannelFactory
import io.netty.channel.ChannelFuture
import io.netty.channel.ChannelInitializer
import io.netty.channel.ChannelOption
import io.netty.channel.ServerChannel
import io.netty.channel.nio.NioEventLoopGroup
import io.netty.channel.socket.SocketChannel
import io.netty.channel.socket.nio.NioServerSocketChannel
import io.netty.handler.codec.http.HttpObjectAggregator
import io.netty.handler.codec.http.HttpServerCodec
import io.netty.handler.codec.http.HttpServerKeepAliveHandler
import io.netty.handler.stream.ChunkedWriteHandler
import java.net.InetSocketAddress
import org.http4k.core.HttpHandler
import org.http4k.server.Http4kChannelHandler
import org.http4k.server.Http4kServer
import org.http4k.server.ServerConfig
class WebUiNetty(private val hostname: String, private val port: Int) : ServerConfig {
override fun toServer(httpHandler: HttpHandler): Http4kServer = object : Http4kServer {
private val masterGroup = NioEventLoopGroup()
private val workerGroup = NioEventLoopGroup()
private lateinit var closeFuture: ChannelFuture
private lateinit var address: InetSocketAddress
override fun start(): Http4kServer = apply {
val bootstrap = ServerBootstrap()
bootstrap.group(masterGroup, workerGroup)
.channelFactory(ChannelFactory<ServerChannel> { NioServerSocketChannel() })
.childHandler(object : ChannelInitializer<SocketChannel>() {
public override fun initChannel(ch: SocketChannel) {
ch.pipeline().addLast("codec", HttpServerCodec())
ch.pipeline().addLast("keepAlive", HttpServerKeepAliveHandler())
ch.pipeline().addLast("aggregator", HttpObjectAggregator(Int.MAX_VALUE))
ch.pipeline().addLast("streamer", ChunkedWriteHandler())
ch.pipeline().addLast("handler", Http4kChannelHandler(httpHandler))
}
})
.option(ChannelOption.SO_BACKLOG, 1000)
.childOption(ChannelOption.SO_KEEPALIVE, true)
val channel = bootstrap.bind(InetSocketAddress(hostname, port)).sync().channel()
address = channel.localAddress() as InetSocketAddress
closeFuture = channel.closeFuture()
}
override fun stop() = apply {
closeFuture.cancel(false)
workerGroup.shutdownGracefully()
masterGroup.shutdownGracefully()
}
override fun port(): Int = address.port
}
}