60 lines
1.8 KiB
Kotlin
60 lines
1.8 KiB
Kotlin
/*
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* Copyright 2020 dorkbox, llc
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package dorkbox.netUtil
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import dorkbox.executor.Executor
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import java.io.File
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/**
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*
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*/
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object Dhcp {
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/**
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* Gets the version number.
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*/
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const val version = Common.version
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fun start(id: String, interfaceName: String) {
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if (Common.OS_LINUX) {
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stop(id, interfaceName)
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val dhcpPidFile = "/var/run/dhclient-$id.pid"
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Executor().command("/sbin/dhclient", "-pf", dhcpPidFile, interfaceName).startBlocking()
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} else {
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throw RuntimeException("NOT IMPL.")
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}
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}
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fun stop(id: String, interfaceName: String) {
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if (Common.OS_LINUX) {
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val dhcpPidFile = "/var/run/dhclient-$id.pid"
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// close the dhclient if it was already running (based on pid file), and delete the pid file
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Executor().command("/sbin/dhclient", "-r -pf", dhcpPidFile, interfaceName).startBlocking()
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// short break
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try {
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Thread.sleep(500)
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} catch (e: InterruptedException) {
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e.printStackTrace()
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}
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File(dhcpPidFile).delete()
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} else {
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throw RuntimeException("NOT IMPL.")
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}
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}
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}
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