/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2007 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #ifndef AGENT_H #define AGENT_H #include <sys/types.h> #include <libinetutil.h> #include <dhcpagent_ipc.h> /* * agent.h contains general symbols that should be available to all * source programs that are part of the agent. in general, files * specific to a given collection of code (such as interface.h or * dhcpmsg.h) are to be preferred to this dumping ground. use only * when necessary. */ #ifdef __cplusplus extern "C" { #endif /* * global variables: `tq' and `eh' represent the global timer queue * and event handler, as described in the README. `class_id' is our * vendor class id set early on in main(). `inactivity_id' is the * timer id of the global inactivity timer, which shuts down the agent * if there are no state machines to manage for DHCP_INACTIVITY_WAIT * seconds. `grandparent' is the pid of the original process when in * adopt mode. `rtsock_fd' is the global routing socket file descriptor. */ extern iu_tq_t *tq; extern iu_eh_t *eh; extern char *class_id; extern int class_id_len; extern iu_timer_id_t inactivity_id; extern pid_t grandparent; extern int rtsock_fd; boolean_t drain_script(iu_eh_t *, void *); boolean_t check_cmd_allowed(DHCPSTATE, dhcp_ipc_type_t); /* * global tunable parameters. an `I' in the preceding comment indicates * an implementation artifact; a `R' in the preceding comment indicates * that the value was suggested (or required) by RFC2131. */ /* I: how many seconds to wait before restarting DHCP on an interface */ #define DHCP_RESTART_WAIT 10 /* * I: the maximum number of milliseconds to wait before SELECTING on an * interface. RFC2131 recommends a random wait of between one and ten seconds, * to speed up DHCP at boot we wait between zero and two seconds. */ #define DHCP_SELECT_WAIT 2000 /* R: how many seconds before lease expiration we give up trying to rebind */ #define DHCP_REBIND_MIN 60 /* I: seconds to wait retrying dhcp_expire() if uncancellable async event */ #define DHCP_EXPIRE_WAIT 10 /* R: approximate percentage of lease time to wait until RENEWING state */ #define DHCP_T1_FACT .5 /* R: approximate percentage of lease time to wait until REBINDING state */ #define DHCP_T2_FACT .875 /* I: number of REQUEST attempts before assuming something is awry */ #define DHCP_MAX_REQUESTS 4 /* I: epsilon in seconds used to check if old and new lease times are same */ #define DHCP_LEASE_EPS 30 /* I: if lease is not being extended, seconds left before alerting user */ #define DHCP_LEASE_ERROR_THRESH (60*60) /* one hour */ /* I: how many seconds before bailing out if there's no work to do */ #define DHCP_INACTIVITY_WAIT (60*3) /* three minutes */ /* I: the maximum amount of seconds we use an adopted lease */ #define DHCP_ADOPT_LEASE_MAX (60*60) /* one hour */ /* I: number of seconds grandparent waits for child to finish adoption. */ #define DHCP_ADOPT_SLEEP 30 /* I: the maximum amount of milliseconds to wait for an ipc request */ #define DHCP_IPC_REQUEST_WAIT (3*1000) /* three seconds */ /* * DHCPv6 timer and retransmit values from RFC 3315. */ #define DHCPV6_SOL_MAX_DELAY 1000 /* Max delay of first Solicit; 1s */ #define DHCPV6_CNF_MAX_DELAY 1000 /* Max delay of first Confirm; 1s */ #define DHCPV6_INF_MAX_DELAY 1000 /* Max delay of first Info-req; 1s */ #define DHCPV6_SOL_TIMEOUT 1000 /* Initial Solicit timeout; 1s */ #define DHCPV6_REQ_TIMEOUT 1000 /* Initial Request timeout; 1s */ #define DHCPV6_CNF_TIMEOUT 1000 /* Initial Confirm timeout; 1s */ #define DHCPV6_REN_TIMEOUT 10000 /* Initial Renew timeout; 10s */ #define DHCPV6_REB_TIMEOUT 10000 /* Initial Rebind timeout; 10s */ #define DHCPV6_INF_TIMEOUT 1000 /* Initial Info-req timeout; 1s */ #define DHCPV6_REL_TIMEOUT 1000 /* Initial Release timeout; 1s */ #define DHCPV6_DEC_TIMEOUT 1000 /* Initial Decline timeout; 1s */ #define DHCPV6_SOL_MAX_RT 120000 /* Max Solicit timeout; 2m */ #define DHCPV6_REQ_MAX_RT 30000 /* Max Request timeout; 30s */ #define DHCPV6_CNF_MAX_RT 4000 /* Max Confirm timeout; 4s */ #define DHCPV6_REN_MAX_RT 600000 /* Max Renew timeout; 5m */ #define DHCPV6_REB_MAX_RT 600000 /* Max Rebind timeout; 5m */ #define DHCPV6_INF_MAX_RT 120000 /* Max Info-req timeout; 2m */ #define DHCPV6_CNF_MAX_RD 10000 /* Max Confirm duration; 10s */ #define DHCPV6_REQ_MAX_RC 10 /* Max Request attempts */ #define DHCPV6_REL_MAX_RC 5 /* Max Release attempts */ #define DHCPV6_DEC_MAX_RC 5 /* Max Decline attempts */ /* * reasons for why iu_handle_events() returned */ enum { DHCP_REASON_INACTIVITY, DHCP_REASON_SIGNAL, DHCP_REASON_TERMINATE }; #ifdef __cplusplus } #endif #endif /* AGENT_H */
