1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #ifndef AGENT_H 28*0Sstevel@tonic-gate #define AGENT_H 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate #include <sys/types.h> 33*0Sstevel@tonic-gate #include <libinetutil.h> 34*0Sstevel@tonic-gate 35*0Sstevel@tonic-gate /* 36*0Sstevel@tonic-gate * agent.h contains general symbols that should be available to all 37*0Sstevel@tonic-gate * source programs that are part of the agent. in general, files 38*0Sstevel@tonic-gate * specific to a given collection of code (such as interface.h or 39*0Sstevel@tonic-gate * dhcpmsg.h) are to be preferred to this dumping ground. use only 40*0Sstevel@tonic-gate * when necessary. 41*0Sstevel@tonic-gate */ 42*0Sstevel@tonic-gate 43*0Sstevel@tonic-gate #ifdef __cplusplus 44*0Sstevel@tonic-gate extern "C" { 45*0Sstevel@tonic-gate #endif 46*0Sstevel@tonic-gate 47*0Sstevel@tonic-gate /* 48*0Sstevel@tonic-gate * global variables: `tq' and `eh' represent the global timer queue 49*0Sstevel@tonic-gate * and event handler, as described in the README. `class_id' is our 50*0Sstevel@tonic-gate * vendor class id set early on in main(). `inactivity_id' is the 51*0Sstevel@tonic-gate * timer id of the global inactivity timer, which shuts down the agent 52*0Sstevel@tonic-gate * if there are no interfaces to manage for DHCP_INACTIVITY_WAIT 53*0Sstevel@tonic-gate * seconds. `grandparent' is the pid of the original process when in 54*0Sstevel@tonic-gate * adopt mode. 55*0Sstevel@tonic-gate */ 56*0Sstevel@tonic-gate 57*0Sstevel@tonic-gate extern iu_tq_t *tq; 58*0Sstevel@tonic-gate extern iu_eh_t *eh; 59*0Sstevel@tonic-gate extern char *class_id; 60*0Sstevel@tonic-gate extern int class_id_len; 61*0Sstevel@tonic-gate extern iu_timer_id_t inactivity_id; 62*0Sstevel@tonic-gate extern pid_t grandparent; 63*0Sstevel@tonic-gate 64*0Sstevel@tonic-gate boolean_t drain_script(iu_eh_t *, void *); 65*0Sstevel@tonic-gate 66*0Sstevel@tonic-gate /* 67*0Sstevel@tonic-gate * global tunable parameters. an `I' in the preceding comment indicates 68*0Sstevel@tonic-gate * an implementation artifact; a `R' in the preceding comment indicates 69*0Sstevel@tonic-gate * that the value was suggested (or required) by RFC2131. 70*0Sstevel@tonic-gate */ 71*0Sstevel@tonic-gate 72*0Sstevel@tonic-gate /* I: how many seconds to wait before restarting DHCP on an interface */ 73*0Sstevel@tonic-gate #define DHCP_RESTART_WAIT 10 74*0Sstevel@tonic-gate 75*0Sstevel@tonic-gate /* 76*0Sstevel@tonic-gate * I: the maximum number of milliseconds to wait before SELECTING on an 77*0Sstevel@tonic-gate * interface. RFC2131 recommends a random wait of between one and ten seconds, 78*0Sstevel@tonic-gate * to speed up DHCP at boot we wait between zero and two seconds. 79*0Sstevel@tonic-gate */ 80*0Sstevel@tonic-gate #define DHCP_SELECT_WAIT 2000 81*0Sstevel@tonic-gate 82*0Sstevel@tonic-gate /* R: how many seconds before lease expiration we give up trying to rebind */ 83*0Sstevel@tonic-gate #define DHCP_REBIND_MIN 60 84*0Sstevel@tonic-gate 85*0Sstevel@tonic-gate /* I: seconds to wait retrying dhcp_expire() if uncancellable async event */ 86*0Sstevel@tonic-gate #define DHCP_EXPIRE_WAIT 10 87*0Sstevel@tonic-gate 88*0Sstevel@tonic-gate /* R: approximate percentage of lease time to wait until RENEWING state */ 89*0Sstevel@tonic-gate #define DHCP_T1_FACT .5 90*0Sstevel@tonic-gate 91*0Sstevel@tonic-gate /* R: approximate percentage of lease time to wait until REBINDING state */ 92*0Sstevel@tonic-gate #define DHCP_T2_FACT .875 93*0Sstevel@tonic-gate 94*0Sstevel@tonic-gate /* I: number of REQUEST attempts before assuming something is awry */ 95*0Sstevel@tonic-gate #define DHCP_MAX_REQUESTS 4 96*0Sstevel@tonic-gate 97*0Sstevel@tonic-gate /* I: epsilon in seconds used to check if old and new lease times are same */ 98*0Sstevel@tonic-gate #define DHCP_LEASE_EPS 30 99*0Sstevel@tonic-gate 100*0Sstevel@tonic-gate /* I: if lease is not being extended, seconds left before alerting user */ 101*0Sstevel@tonic-gate #define DHCP_LEASE_ERROR_THRESH (60*60*24*2) /* two days */ 102*0Sstevel@tonic-gate 103*0Sstevel@tonic-gate /* I: how many seconds before bailing out if there's no work to do */ 104*0Sstevel@tonic-gate #define DHCP_INACTIVITY_WAIT (60*3) /* three minutes */ 105*0Sstevel@tonic-gate 106*0Sstevel@tonic-gate /* I: the maximum amount of seconds we use an adopted lease */ 107*0Sstevel@tonic-gate #define DHCP_ADOPT_LEASE_MAX (60*60) /* one hour */ 108*0Sstevel@tonic-gate 109*0Sstevel@tonic-gate /* I: number of seconds grandparent waits for child to finish adoption. */ 110*0Sstevel@tonic-gate #define DHCP_ADOPT_SLEEP 30 111*0Sstevel@tonic-gate 112*0Sstevel@tonic-gate /* I: the maximum amount of milliseconds to wait for an ipc request */ 113*0Sstevel@tonic-gate #define DHCP_IPC_REQUEST_WAIT (3*1000) /* three seconds */ 114*0Sstevel@tonic-gate 115*0Sstevel@tonic-gate /* 116*0Sstevel@tonic-gate * reasons for why iu_handle_events() returned 117*0Sstevel@tonic-gate */ 118*0Sstevel@tonic-gate enum { DHCP_REASON_INACTIVITY, DHCP_REASON_SIGNAL, DHCP_REASON_TERMINATE }; 119*0Sstevel@tonic-gate 120*0Sstevel@tonic-gate #ifdef __cplusplus 121*0Sstevel@tonic-gate } 122*0Sstevel@tonic-gate #endif 123*0Sstevel@tonic-gate 124*0Sstevel@tonic-gate #endif /* AGENT_H */ 125