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 2009 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 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 #include <thread.h> 34 #include <synch.h> 35 #include <unistd.h> 36 #include <procfs.h> 37 #include "ns_sldap.h" 38 #include "ns_internal.h" 39 #include "ns_cache_door.h" 40 #include "cachemgr_door.h" 41 42 #define LOGFILE "/var/ldap/cachemgr.log" 43 #define KILLCACHEMGR "/var/lib/ldap/ldap_cachemgr -K" 44 #define MAXBITSIZE 30 45 #define MAXDEBUG DBG_ALL 46 #define DEFAULTTTL 3600 /* 1 hour */ 47 48 typedef union { 49 ldap_data_t data; 50 char space[BUFFERSIZE]; 51 } dataunion; 52 53 /* 54 * In ldap_cachemgr, it return -99 for some case, start with -100 here 55 */ 56 typedef enum chg_error { 57 CHG_SUCCESS = 0, 58 CHG_NO_MEMORY = -100, 59 CHG_INVALID_PARAM = -101, 60 CHG_NOT_FOUND_IN_WAITING_LIST = -102, 61 CHG_EXCEED_MAX_THREADS = -103, 62 CHG_NSCD_REPEATED_CALL = -104 63 } chg_error_t; 64 65 typedef struct waiting_list { 66 pid_t pid; /* pid of the door client */ 67 thread_t tid; /* thread id of the server */ 68 /* thread */ 69 int cleanup; /* 1: the thread will be */ 70 /* cleaned up */ 71 struct waiting_list *prev; /* previous node in the */ 72 /* linked list */ 73 struct waiting_list *next; /* next node in the linked */ 74 /* list */ 75 } waiting_list_t; 76 77 /* 78 * This structure contains the buffer for the chang data and a wating list to 79 * regester all the threads that handle GETSTATUSCHANGE START call and are 80 * waiting for the change notification. 81 * The notification threads save the data in the buffer then send broadcast 82 * to wake up the GETSTATUSCHANGE START threads to copy data to the stack and 83 * door_return(). 84 */ 85 typedef struct chg_info { 86 mutex_t chg_lock; /* mutex for this data structure */ 87 cond_t chg_cv; /* cond var for synchronization */ 88 int chg_wakeup; /* flag used with chg_cv for */ 89 /* synchronization */ 90 waiting_list_t *chg_w_first; /* the head of the linked list */ 91 waiting_list_t *chg_w_last; /* the tail of the linked list */ 92 char *chg_data; /* the buffer for the change data */ 93 int chg_data_size; /* the size of the change data */ 94 } chg_info_t; 95 96 extern char *getcacheopt(char *s); 97 extern void logit(char *format, ...); 98 extern int load_admin_defaults(admin_t *ptr, int will_become_server); 99 extern int getldap_init(void); 100 extern void getldap_revalidate(void); 101 extern int getldap_uidkeepalive(int keep, int interval); 102 extern int getldap_invalidate(void); 103 extern void getldap_lookup(LineBuf *config_info, ldap_call_t *in); 104 extern void getldap_admincred(LineBuf *config_info, ldap_call_t *in); 105 extern void getldap_refresh(void); 106 extern int cachemgr_set_dl(admin_t *ptr, int value); 107 extern int cachemgr_set_ttl(ldap_stat_t *cache, char *name, int value); 108 extern int get_clearance(int callnumber); 109 extern int release_clearance(int callnumber); 110 #ifdef SLP 111 extern void discover(); 112 #endif /* SLP */ 113 extern void getldap_serverInfo_refresh(void); 114 extern void getldap_getserver(LineBuf *config_info, ldap_call_t *in); 115 extern void getldap_get_cacheData(LineBuf *config_info, ldap_call_t *in); 116 extern int getldap_set_cacheData(ldap_call_t *in); 117 extern void getldap_get_cacheStat(LineBuf *stat_info); 118 extern int is_called_from_nscd(pid_t pid); /* in cachemgr.c */ 119 extern int chg_is_called_from_nscd_or_peruser_nscd(char *dc_str, pid_t *pidp); 120 extern void *chg_cleanup_waiting_threads(void *arg); 121 extern int chg_get_statusChange(LineBuf *config_info, ldap_call_t *in, 122 pid_t nscd_pid); 123 extern int chg_notify_statusChange(char *str); 124 extern void chg_test_config_change(ns_config_t *new, int *change_status); 125 extern void chg_config_cookie_set(ldap_get_chg_cookie_t *cookie); 126 extern ldap_get_chg_cookie_t chg_config_cookie_get(void); 127 #ifdef __cplusplus 128 } 129 #endif 130 131 #endif /* _CACHEMGR_H */ 132