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  Classes of Pat Winn  >  DHCP Lease Query  >  dhcpAPI.php  >  Download  
File: dhcpAPI.php
Role: Auxiliary script
Content type: text/plain
Description: Some basic DHCP related constants as an API
Class: DHCP Lease Query
Send queries to a DHCP server
Author: By
Last change:
Date: 4 years ago
Size: 3,115 bytes


Class file image Download

 * Some handy constants for inclusion..
 * Copyright (c) 2010 by Pat Winn (pat@patwinn.com)
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 * @author Pat Winn (pat@patwinn.com)
 * @date 06/17/2010
 * @version 1.0
 * If this file looks funky to you, try setting tab stops=4.

// lease states:
define('L_FREE',            '0x01');    // free lease
define('L_ACTIVE',            '0x02');    // active lease
define('L_EXPIRED',            '0x03');    // expired lease
define('L_RELEASED',        '0x04');    // released lease
define('L_ABANDONED',        '0x05');    // abandoned lease
define('L_RESET',            '0x06');    // reset lease
define('L_BACKUP',            '0x07');    // backup lease
define('L_RESERVED',        '0x08');    // reserved 
define('L_BOOTP',            '0x09');    // bootp

// failover states:
define('F_PARTNER_DOWN',    '0x01');    // partner is down
define('F_NORMAL',            '0x02');    // normal 
define('F_COM_INT',            '0x03');    // communications interrupted
define('F_RES_INT',            '0x04');    // resolution interrupted
define('F_CONFLICT',        '0x05');    // potential conflict
define('F_RECOVER',            '0x06');    // recover
define('F_RECOVER_DONE',    '0x07');    // recovery done
define('F_SHUTDOWN',        '0x08');    // shutdown
define('F_PAUSED',            '0x09');    // paused
define('F_STARTUP',            '0x10');    // startup
define('F_RECOVER_WAIT',    '0x11');    // recover wait

// DHCP packet types
define('D_DISCOVER',        '0x01');    // dhcp discover packet (rfc 2132)
define('D_OFFER',            '0x02');    // dhcp offer packet (rfc 2132)
define('D_REQUEST',            '0x03');    // dhcp request packet (rfc 2132)
define('D_DECLINE',            '0x04');    // dhcp decline packet (rfc 2132)
define('D_ACK',                '0x05');    // dhcp ack packet (rfc 2132)
define('D_NACK',            '0x06');    // dhcp nack packet (rfc 2132)
define('D_RELEASE',            '0x07');    // dhcp release packet (rfc 2132)
define('D_INFORM',            '0x08');    // dhcp information packet (rfc 2132)
define('D_LEASEQUERY',        '0a');        // dhcp lease query packet (rfc 4388)
define('D_LEASEUNASSIGNED',    '0b');        // dhcp lease unassigned packet (rfc 4388)
define('D_LEASEUNKNOWN',       '0c');        // dhcp lease unassigned packet (rfc 4388)
define('D_LEASEACTIVE',        '0d');        // dhcp lease active packet (rfc 4388)
define('D_BOOTREQUEST',        '01');        // dhcp boot message type
define('D_BOOTREPLY',        '02');        // dhcp boot message type
define('D_ETHERNET',        '01');        // dhcp hardware type - ethernet (other are not needed and thus undefined)
define('D_MAGIC',        '63825363');    // magic number for use in dhcp packets (this is the hex 4 octet value)