1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _CACHEMGR_H 27 #define _CACHEMGR_H 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 #include <thread.h> 36 #include <synch.h> 37 #include <unistd.h> 38 #include <procfs.h> 39 #include "ns_sldap.h" 40 #include "ns_internal.h" 41 #include "ns_cache_door.h" 42 #include "cachemgr_door.h" 43 44 #define LOGFILE "/var/ldap/cachemgr.log" 45 #define KILLCACHEMGR "/var/lib/ldap/ldap_cachemgr -K" 46 #define MAXBITSIZE 30 47 #define MAXDEBUG DBG_ALL 48 #define DEFAULTTTL 3600 /* 1 hour */ 49 50 typedef union { 51 ldap_data_t data; 52 char space[BUFFERSIZE]; 53 } dataunion; 54 55 /* 56 * In ldap_cachemgr, it return -99 for some case, start with -100 here 57 */ 58 typedef enum chg_error { 59 CHG_SUCCESS = 0, 60 CHG_NO_MEMORY = -100, 61 CHG_INVALID_PARAM = -101, 62 CHG_NOT_FOUND_IN_WAITING_LIST = -102, 63 CHG_EXCEED_MAX_THREADS = -103, 64 CHG_NSCD_REPEATED_CALL = -104 65 } chg_error_t; 66 67 typedef struct waiting_list { 68 pid_t pid; /* pid of the door client */ 69 thread_t tid; /* thread id of the server */ 70 /* thread */ 71 int cleanup; /* 1: the thread will be */ 72 /* cleaned up */ 73 struct waiting_list *prev; /* previous node in the */ 74 /* linked list */ 75 struct waiting_list *next; /* next node in the linked */ 76 /* list */ 77 } waiting_list_t; 78 79 /* 80 * This structure contains the buffer for the chang data and a wating list to 81 * regester all the threads that handle GETSTATUSCHANGE START call and are 82 * waiting for the change notification. 83 * The notification threads save the data in the buffer then send broadcast 84 * to wake up the GETSTATUSCHANGE START threads to copy data to the stack and 85 * door_return(). 86 */ 87 typedef struct chg_info { 88 mutex_t chg_lock; /* mutex for this data structure */ 89 cond_t chg_cv; /* cond var for synchronization */ 90 int chg_wakeup; /* flag used with chg_cv for */ 91 /* synchronization */ 92 waiting_list_t *chg_w_first; /* the head of the linked list */ 93 waiting_list_t *chg_w_last; /* the tail of the linked list */ 94 char *chg_data; /* the buffer for the change data */ 95 int chg_data_size; /* the size of the change data */ 96 } chg_info_t; 97 98 extern char *getcacheopt(char *s); 99 extern void logit(char *format, ...); 100 extern int load_admin_defaults(admin_t *ptr, int will_become_server); 101 extern int getldap_init(void); 102 extern void getldap_revalidate(void); 103 extern int getldap_uidkeepalive(int keep, int interval); 104 extern int getldap_invalidate(void); 105 extern void getldap_lookup(LineBuf *config_info, ldap_call_t *in); 106 extern void getldap_refresh(void); 107 extern int cachemgr_set_dl(admin_t *ptr, int value); 108 extern int cachemgr_set_ttl(ldap_stat_t *cache, char *name, int value); 109 extern int get_clearance(int callnumber); 110 extern int release_clearance(int callnumber); 111 #ifdef SLP 112 extern void discover(); 113 #endif /* SLP */ 114 extern void getldap_serverInfo_refresh(void); 115 extern void getldap_getserver(LineBuf *config_info, ldap_call_t *in); 116 extern void getldap_get_cacheData(LineBuf *config_info, ldap_call_t *in); 117 extern int getldap_set_cacheData(ldap_call_t *in); 118 extern void getldap_get_cacheStat(LineBuf *stat_info); 119 extern int is_called_from_nscd(pid_t pid); /* in cachemgr.c */ 120 extern int chg_is_called_from_nscd_or_peruser_nscd(char *dc_str, pid_t *pidp); 121 extern void *chg_cleanup_waiting_threads(void *arg); 122 extern int chg_get_statusChange(LineBuf *config_info, ldap_call_t *in, 123 pid_t nscd_pid); 124 extern int chg_notify_statusChange(char *str); 125 extern void chg_test_config_change(ns_config_t *new, int *change_status); 126 extern void chg_config_cookie_set(ldap_get_chg_cookie_t *cookie); 127 extern ldap_get_chg_cookie_t chg_config_cookie_get(void); 128 #ifdef __cplusplus 129 } 130 #endif 131 132 #endif /* _CACHEMGR_H */ 133