org.openziti.net.routing.routing.kt Maven / Gradle / Ivy

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/*
 * Copyright (c) 2018-2021 NetFoundry Inc.
 *
 * 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
 *
 *     https://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 org.openziti.net.routing

import org.openziti.api.CIDRBlock
import java.util.*

interface RouteManager {
    fun addRoute(cidr: CIDRBlock)
    fun removeRoute(cidr: CIDRBlock)
}

private object NoopRouteManager: RouteManager {
    override fun addRoute(cidr: CIDRBlock) {}
    override fun removeRoute(cidr: CIDRBlock) {}
}

private object Loader {
    val routeManager: RouteManager
    init {
        val loader = ServiceLoader.load(RouteManager::class.java)
        routeManager = loader.firstOrNull() ?: NoopRouteManager
    }
}

fun RouteManager(): RouteManager = Loader.routeManager