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EngineMain.kt
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EngineMain.kt
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/*
* Copyright 2014-2019 JetBrains s.r.o and contributors. Use of this source code is governed by the Apache 2.0 license.
*/
package io.ktor.server.cio
import io.ktor.server.config.*
import io.ktor.server.engine.*
import kotlin.jvm.*
/**
* Default engine with main function that starts CIO engine using application.conf
*/
public object EngineMain {
/**
* CIO engine entry point
*/
@JvmStatic
public fun main(args: Array<String>) {
val applicationEnvironment = commandLineEnvironment(args)
val engine = CIOApplicationEngine(applicationEnvironment) { loadConfiguration(applicationEnvironment.config) }
val gracePeriod =
engine.environment.config.propertyOrNull("ktor.deployment.shutdownGracePeriod")?.getString()?.toLong() ?: 50
val timeout =
engine.environment.config.propertyOrNull("ktor.deployment.shutdownTimeout")?.getString()?.toLong() ?: 5000
engine.addShutdownHook {
engine.stop(gracePeriod, timeout)
}
engine.start(true)
}
private fun CIOApplicationEngine.Configuration.loadConfiguration(config: ApplicationConfig) {
val deploymentConfig = config.config("ktor.deployment")
loadCommonConfiguration(deploymentConfig)
deploymentConfig.propertyOrNull("connectionIdleTimeoutSeconds")?.getString()?.toInt()?.let {
connectionIdleTimeoutSeconds = it
}
}
}