17da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt/* 27da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt * Copyright (C) 2010 The Android Open Source Project 37da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt * 47da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt * Licensed under the Apache License, Version 2.0 (the "License"); 57da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt * you may not use this file except in compliance with the License. 67da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt * You may obtain a copy of the License at 77da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt * 87da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt * http://www.apache.org/licenses/LICENSE-2.0 97da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt * 107da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt * Unless required by applicable law or agreed to in writing, software 117da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt * distributed under the License is distributed on an "AS IS" BASIS, 127da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 137da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt * See the License for the specific language governing permissions and 147da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt * limitations under the License. 157da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt */ 167da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt 177da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnuttpackage android.net.dhcp; 187da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt 197da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnuttimport java.net.InetAddress; 207da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnuttimport java.nio.ByteBuffer; 217da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnuttimport java.util.List; 227da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt 237da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt/** 247da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt * This class defines the "next steps" which occur after a given DHCP 257da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt * packet has been received. 267da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt */ 277da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnuttinterface DhcpStateMachine { 287da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt /** 297da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt * Signals that an offer packet has been received with the specified 307da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt * parameters. 317da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt */ 327da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt public void onOfferReceived(boolean broadcast, int transactionId, 337da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt byte[] myMac, InetAddress offeredIpAddress, 347da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt InetAddress serverIpAddress); 357da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt 367da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt /** 377da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt * Signals that a NAK packet has been received. 387da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt */ 397da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt public void onNakReceived(); 407da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt 417da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt /** 427da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt * Signals that the final ACK has been received from the server. 437da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt */ 447da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt public void onAckReceived(InetAddress myIpAddress, InetAddress myNetMask, 457da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt InetAddress myGateway, List<InetAddress> myDnsServers, 467da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt InetAddress myDhcpServer, int leaseTime); 477da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt 487da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt /** 497da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt * Signals that a client's DISCOVER packet has been received with the 507da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt * specified parameters. 517da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt */ 527da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt public void onDiscoverReceived(boolean broadcast, int transactionId, 537da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt byte[] clientMac, byte[] requestedParameterList); 547da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt 557da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt /** 567da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt * Signals that a client's REQUEST packet has been received with the 577da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt * specified parameters. 587da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt */ 597da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt public void onRequestReceived(boolean broadcast, int transactionId, 607da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt byte[] clientMac, InetAddress requestedIp, byte[] requestedParams, 617da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt String clientHostName); 627da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt 637da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt /** 647da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt * Signals that a client's INFORM packet has been received with the 657da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt * specified parameters. 667da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt */ 677da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt public void onInformReceived(int transactionId, byte[] clientMac, 687da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt InetAddress preassignedIp, byte[] requestedParams); 697da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt 707da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt /** 717da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt * Signals that a client's DECLINE packet has been received with the 727da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt * specified parameters. 737da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt */ 747da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt public void onDeclineReceived(byte[] clientMac, InetAddress declinedIp); 757da02ad3b7a8a0b13a2ccc84e666baa8e6370482Stan Chesnutt} 76