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 2003 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 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28*0Sstevel@tonic-gate /* All Rights Reserved */ 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate /* 31*0Sstevel@tonic-gate * University Copyright- Copyright (c) 1982, 1986, 1988 32*0Sstevel@tonic-gate * The Regents of the University of California 33*0Sstevel@tonic-gate * All Rights Reserved 34*0Sstevel@tonic-gate * 35*0Sstevel@tonic-gate * University Acknowledgment- Portions of this document are derived from 36*0Sstevel@tonic-gate * software developed by the University of California, Berkeley, and its 37*0Sstevel@tonic-gate * contributors. 38*0Sstevel@tonic-gate */ 39*0Sstevel@tonic-gate 40*0Sstevel@tonic-gate #ifndef _SM_STATD_H 41*0Sstevel@tonic-gate #define _SM_STATD_H 42*0Sstevel@tonic-gate 43*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 44*0Sstevel@tonic-gate 45*0Sstevel@tonic-gate #ifdef __cplusplus 46*0Sstevel@tonic-gate extern "C" { 47*0Sstevel@tonic-gate #endif 48*0Sstevel@tonic-gate 49*0Sstevel@tonic-gate /* Limit defines */ 50*0Sstevel@tonic-gate #define SM_DIRECTORY_MODE 00755 51*0Sstevel@tonic-gate #define MAX_HASHSIZE 50 52*0Sstevel@tonic-gate #define SM_RPC_TIMEOUT 15 53*0Sstevel@tonic-gate #define PERCENT_MINJOIN 10 54*0Sstevel@tonic-gate #define MAX_FDS 256 55*0Sstevel@tonic-gate #define MAX_THR 25 56*0Sstevel@tonic-gate #define INC_DELAYTIME 30 57*0Sstevel@tonic-gate #define MAX_DELAYTIME 300 58*0Sstevel@tonic-gate #define SM_CLTS_TIMEOUT 15 59*0Sstevel@tonic-gate /* max strlen of /statmon/state, /statmon/sm.bak, /statmon/sm */ 60*0Sstevel@tonic-gate #define SM_MAXPATHLEN 17 61*0Sstevel@tonic-gate /* Increment size for realloc of array host_name */ 62*0Sstevel@tonic-gate #define HOST_NAME_INCR 5 63*0Sstevel@tonic-gate 64*0Sstevel@tonic-gate /* supported address family names in /var/statmon symlinks */ 65*0Sstevel@tonic-gate #define SM_ADDR_IPV4 "ipv4" 66*0Sstevel@tonic-gate #define SM_ADDR_IPV6 "ipv6" 67*0Sstevel@tonic-gate 68*0Sstevel@tonic-gate /* Supported for readdir_r() */ 69*0Sstevel@tonic-gate #define MAXDIRENT (sizeof (struct dirent) + _POSIX_PATH_MAX + 1) 70*0Sstevel@tonic-gate 71*0Sstevel@tonic-gate /* Structure entry for monitor table (mon_table) */ 72*0Sstevel@tonic-gate struct mon_entry { 73*0Sstevel@tonic-gate mon id; /* mon information: mon_name, my_id */ 74*0Sstevel@tonic-gate struct mon_entry *prev; /* Prev ptr to prev entry in hash */ 75*0Sstevel@tonic-gate struct mon_entry *nxt; /* Next ptr to next entry in hash */ 76*0Sstevel@tonic-gate }; 77*0Sstevel@tonic-gate typedef struct mon_entry mon_entry; 78*0Sstevel@tonic-gate 79*0Sstevel@tonic-gate /* Structure entry for record (rec_table) and recovery (recov_q) tables */ 80*0Sstevel@tonic-gate struct name_entry { 81*0Sstevel@tonic-gate char *name; /* name of host */ 82*0Sstevel@tonic-gate int count; /* count of entries */ 83*0Sstevel@tonic-gate struct name_entry *prev; /* Prev ptr to prev entry in hash */ 84*0Sstevel@tonic-gate struct name_entry *nxt; /* Next ptr to next entry in hash */ 85*0Sstevel@tonic-gate }; 86*0Sstevel@tonic-gate typedef struct name_entry name_entry; 87*0Sstevel@tonic-gate 88*0Sstevel@tonic-gate /* Structure for passing arguments into thread send_notice */ 89*0Sstevel@tonic-gate typedef struct moninfo { 90*0Sstevel@tonic-gate mon id; /* Monitor information */ 91*0Sstevel@tonic-gate int state; /* Current state */ 92*0Sstevel@tonic-gate } moninfo_t; 93*0Sstevel@tonic-gate 94*0Sstevel@tonic-gate /* Structure entry for hash tables */ 95*0Sstevel@tonic-gate typedef struct sm_hash { 96*0Sstevel@tonic-gate union { 97*0Sstevel@tonic-gate struct mon_entry *mon_hdptr; /* Head ptr for mon_table */ 98*0Sstevel@tonic-gate name_entry *rec_hdptr; /* Head ptr for rec_table */ 99*0Sstevel@tonic-gate name_entry *recov_hdptr; /* Head ptr for recov_q */ 100*0Sstevel@tonic-gate } smhd_t; 101*0Sstevel@tonic-gate mutex_t lock; /* Lock to protect each list head */ 102*0Sstevel@tonic-gate } sm_hash_t; 103*0Sstevel@tonic-gate 104*0Sstevel@tonic-gate #define sm_monhdp smhd_t.mon_hdptr 105*0Sstevel@tonic-gate #define sm_rechdp smhd_t.rec_hdptr 106*0Sstevel@tonic-gate #define sm_recovhdp smhd_t.recov_hdptr 107*0Sstevel@tonic-gate 108*0Sstevel@tonic-gate /* Structure entry for address list in name-to-address entry */ 109*0Sstevel@tonic-gate typedef struct addr_entry { 110*0Sstevel@tonic-gate struct addr_entry *next; 111*0Sstevel@tonic-gate struct netobj ah; 112*0Sstevel@tonic-gate sa_family_t family; 113*0Sstevel@tonic-gate } addr_entry_t; 114*0Sstevel@tonic-gate 115*0Sstevel@tonic-gate /* Structure entry for name-to-address translation table */ 116*0Sstevel@tonic-gate typedef struct name_addr_entry { 117*0Sstevel@tonic-gate struct name_addr_entry *next; 118*0Sstevel@tonic-gate char *name; 119*0Sstevel@tonic-gate struct addr_entry *addresses; 120*0Sstevel@tonic-gate } name_addr_entry_t; 121*0Sstevel@tonic-gate 122*0Sstevel@tonic-gate /* Hash tables for each of the in-cache information */ 123*0Sstevel@tonic-gate extern sm_hash_t mon_table[MAX_HASHSIZE]; 124*0Sstevel@tonic-gate 125*0Sstevel@tonic-gate /* Global variables */ 126*0Sstevel@tonic-gate extern mutex_t crash_lock; /* lock for die and crash variables */ 127*0Sstevel@tonic-gate extern int die; /* Flag to indicate that an SM_CRASH */ 128*0Sstevel@tonic-gate /* request came in & to stop threads cleanly */ 129*0Sstevel@tonic-gate extern int in_crash; /* Flag to single thread sm_crash requests. */ 130*0Sstevel@tonic-gate extern int regfiles_only; /* Flag to indicate symlink use in statmon */ 131*0Sstevel@tonic-gate extern cond_t crash_finish; /* Condition to wait until crash is finished */ 132*0Sstevel@tonic-gate extern mutex_t sm_trylock; /* Lock to single thread sm_try */ 133*0Sstevel@tonic-gate /* 134*0Sstevel@tonic-gate * The only established lock precedence here is: 135*0Sstevel@tonic-gate * 136*0Sstevel@tonic-gate * thr_rwlock > name_addrlock 137*0Sstevel@tonic-gate */ 138*0Sstevel@tonic-gate extern mutex_t name_addrlock; /* Locks all entries of name-to-addr table */ 139*0Sstevel@tonic-gate extern rwlock_t thr_rwlock; /* Reader/writer lock for requests coming in */ 140*0Sstevel@tonic-gate extern cond_t retrywait; /* Condition to wait before starting retry */ 141*0Sstevel@tonic-gate 142*0Sstevel@tonic-gate extern char STATE[MAXPATHLEN], CURRENT[MAXPATHLEN]; 143*0Sstevel@tonic-gate extern char BACKUP[MAXPATHLEN]; 144*0Sstevel@tonic-gate extern int LOCAL_STATE; 145*0Sstevel@tonic-gate 146*0Sstevel@tonic-gate /* 147*0Sstevel@tonic-gate * Hash functions for monitor and record hash tables. 148*0Sstevel@tonic-gate * Functions are hashed based on first 2 letters and last 2 letters of name. 149*0Sstevel@tonic-gate * If only 1 letter in name, then, hash only on 1 letter. 150*0Sstevel@tonic-gate */ 151*0Sstevel@tonic-gate #define SMHASH(name, key) { \ 152*0Sstevel@tonic-gate int l; \ 153*0Sstevel@tonic-gate key = *name; \ 154*0Sstevel@tonic-gate if ((l = strlen(name)) != 1) \ 155*0Sstevel@tonic-gate key |= ((*(name+(l-1)) << 24) | (*(name+1) << 16) | \ 156*0Sstevel@tonic-gate (*(name+(l-2)) << 8)); \ 157*0Sstevel@tonic-gate key = key % MAX_HASHSIZE; \ 158*0Sstevel@tonic-gate } 159*0Sstevel@tonic-gate 160*0Sstevel@tonic-gate extern int debug; /* Prints out debug information if set. */ 161*0Sstevel@tonic-gate 162*0Sstevel@tonic-gate extern char hostname[MAXHOSTNAMELEN]; 163*0Sstevel@tonic-gate 164*0Sstevel@tonic-gate /* 165*0Sstevel@tonic-gate * These variables will be used to store all the 166*0Sstevel@tonic-gate * alias names for the host, as well as the -a 167*0Sstevel@tonic-gate * command line hostnames. 168*0Sstevel@tonic-gate */ 169*0Sstevel@tonic-gate extern char **host_name; /* store -a opts */ 170*0Sstevel@tonic-gate extern int host_name_count; 171*0Sstevel@tonic-gate extern int addrix; /* # of -a entries */ 172*0Sstevel@tonic-gate 173*0Sstevel@tonic-gate /* 174*0Sstevel@tonic-gate * The following 2 variables are meaningful 175*0Sstevel@tonic-gate * only under a HA configuration. 176*0Sstevel@tonic-gate */ 177*0Sstevel@tonic-gate extern char **path_name; /* store -p opts */ 178*0Sstevel@tonic-gate extern int pathix; /* # of -p entries */ 179*0Sstevel@tonic-gate 180*0Sstevel@tonic-gate /* Function prototypes used in program */ 181*0Sstevel@tonic-gate extern int create_file(char *name); 182*0Sstevel@tonic-gate extern void delete_file(char *name); 183*0Sstevel@tonic-gate extern void record_name(char *name, int op); 184*0Sstevel@tonic-gate extern void sm_crash(void); 185*0Sstevel@tonic-gate extern void sm_notify(stat_chge *ntfp); 186*0Sstevel@tonic-gate extern void statd_init(); 187*0Sstevel@tonic-gate extern void merge_hosts(void); 188*0Sstevel@tonic-gate extern CLIENT *create_client(char *host, int prognum, int versnum); 189*0Sstevel@tonic-gate extern char *xmalloc(unsigned); 190*0Sstevel@tonic-gate extern void sm_status(sm_name *namep, sm_stat_res *resp); 191*0Sstevel@tonic-gate extern void sm_mon(mon *monp, sm_stat_res *resp); 192*0Sstevel@tonic-gate extern void sm_unmon(mon_id *monidp, sm_stat *resp); 193*0Sstevel@tonic-gate extern void sm_unmon_all(my_id *myidp, sm_stat *resp); 194*0Sstevel@tonic-gate extern void sm_simu_crash(void *myidp); 195*0Sstevel@tonic-gate extern void sm_inithash(); 196*0Sstevel@tonic-gate extern void copydir_from_to(char *from_dir, char *to_dir); 197*0Sstevel@tonic-gate extern int str_cmp_unqual_hostname(char *, char *); 198*0Sstevel@tonic-gate extern void nsmaddrproc1_reg(reg1args *, reg1res *); 199*0Sstevel@tonic-gate extern void record_addr(char *name, sa_family_t family, struct netobj *ah); 200*0Sstevel@tonic-gate extern int is_symlink(char *file); 201*0Sstevel@tonic-gate extern int create_symlink(char *todir, char *rname, char *lname); 202*0Sstevel@tonic-gate extern int str_cmp_address_specifier(char *specifier1, char *specifier2); 203*0Sstevel@tonic-gate 204*0Sstevel@tonic-gate #ifdef __cplusplus 205*0Sstevel@tonic-gate } 206*0Sstevel@tonic-gate #endif 207*0Sstevel@tonic-gate 208*0Sstevel@tonic-gate #endif /* _SM_STATD_H */ 209