git.sur5r.net Git - openldap/blob - servers/slapd/back-monitor/back-monitor.h

   1 /* back-monitor.h - ldap monitor back-end header file */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2001-2005 The OpenLDAP Foundation.
   6  * Portions Copyright 2001-2003 Pierangelo Masarati.
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted only as authorized by the OpenLDAP
  11  * Public License.
  12  *
  13  * A copy of this license is available in file LICENSE in the
  14  * top-level directory of the distribution or, alternatively, at
  15  * <http://www.OpenLDAP.org/license.html>.
  16  */
  17 /* ACKNOWLEDGEMENTS:
  18  * This work was initially developed by Pierangelo Masarati for inclusion
  19  * in OpenLDAP Software.
  20  */
  21
  22 #ifndef _BACK_MONITOR_H_
  23 #define _BACK_MONITOR_H_
  24
  25 #include <ldap_pvt.h>
  26 #include <ldap_pvt_thread.h>
  27 #include <avl.h>
  28 #include <slap.h>
  29
  30 LDAP_BEGIN_DECL
  31
  32 /* define if si_ad_labeledURI is removed from slap_schema */
  33 #undef MONITOR_DEFINE_LABELEDURI
  34
  35 typedef struct monitor_callback_t {
  36         int                     (*mc_update)( Operation *op, Entry *e, void *priv );
  37                                                 /* update callback
  38                                                    for user-defined entries */
  39         int                     (*mc_modify)( Operation *op, Entry *e, void *priv );
  40                                                 /* modify callback
  41                                                    for user-defined entries */
  42         int                     (*mc_free)( Entry *e, void *priv );
  43                                                 /* update callback
  44                                                    for user-defined entries */
  45         void                    *mc_private;    /* opaque pointer to
  46                                                    private data */
  47         struct monitor_callback_t       *mc_next;
  48 } monitor_callback_t;
  49
  50
  51 typedef struct monitor_entry_t {
  52         ldap_pvt_thread_mutex_t mp_mutex;       /* entry mutex */
  53         Entry                   *mp_next;       /* pointer to next sibling */
  54         Entry                   *mp_children;   /* pointer to first child */
  55         struct monitor_subsys_t *mp_info;       /* subsystem info */
  56 #define mp_type         mp_info->mss_type
  57         unsigned long           mp_flags;       /* flags */
  58
  59 #define MONITOR_F_NONE          0x0000U
  60 #define MONITOR_F_SUB           0x0001U         /* subentry of subsystem */
  61 #define MONITOR_F_PERSISTENT    0x0010U         /* persistent entry */
  62 #define MONITOR_F_PERSISTENT_CH 0x0020U         /* subsystem generates
  63                                                    persistent entries */
  64 #define MONITOR_F_VOLATILE      0x0040U         /* volatile entry */
  65 #define MONITOR_F_VOLATILE_CH   0x0080U         /* subsystem generates
  66                                                    volatile entries */
  67 #define MONITOR_F_EXTERNAL      0x0100U         /* externally added - don't free */
  68 /* NOTE: flags with 0xF0000000U mask are reserved for subsystem internals */
  69
  70         struct monitor_callback_t       *mp_cb;         /* callback sequence */
  71 } monitor_entry_t;
  72
  73 typedef struct monitor_info_t {
  74
  75         /*
  76          * Internal data
  77          */
  78         Avlnode                 *mi_cache;
  79         ldap_pvt_thread_mutex_t mi_cache_mutex;
  80
  81         /*
  82          * Config parameters
  83          */
  84         struct berval           mi_l;
  85         struct berval           mi_startTime;           /* don't free it! */
  86         struct berval           mi_creatorsName;        /* don't free it! */
  87
  88         /*
  89          * Specific schema entities
  90          */
  91         ObjectClass             *mi_oc_monitor;
  92         ObjectClass             *mi_oc_monitorServer;
  93         ObjectClass             *mi_oc_monitorContainer;
  94         ObjectClass             *mi_oc_monitorCounterObject;
  95         ObjectClass             *mi_oc_monitorOperation;
  96         ObjectClass             *mi_oc_monitorConnection;
  97         ObjectClass             *mi_oc_managedObject;
  98         ObjectClass             *mi_oc_monitoredObject;
  99
 100         AttributeDescription    *mi_ad_monitoredInfo;
 101         AttributeDescription    *mi_ad_managedInfo;
 102         AttributeDescription    *mi_ad_monitorCounter;
 103         AttributeDescription    *mi_ad_monitorOpCompleted;
 104         AttributeDescription    *mi_ad_monitorOpInitiated;
 105         AttributeDescription    *mi_ad_monitorConnectionNumber;
 106         AttributeDescription    *mi_ad_monitorConnectionAuthzDN;
 107         AttributeDescription    *mi_ad_monitorConnectionLocalAddress;
 108         AttributeDescription    *mi_ad_monitorConnectionPeerAddress;
 109         AttributeDescription    *mi_ad_monitorTimestamp;
 110         AttributeDescription    *mi_ad_monitorOverlay;
 111
 112         /*
 113          * Generic description attribute
 114          */
 115         AttributeDescription    *mi_ad_description;
 116         AttributeDescription    *mi_ad_seeAlso;
 117         AttributeDescription    *mi_ad_l;
 118 #ifdef MONITOR_DEFINE_LABELEDURI
 119         /* enable if si_ad_labeledURI is removed from slap_schema */
 120         AttributeDescription    *mi_ad_labeledURI;
 121 #endif /* MONITOR_DEFINE_LABELEDURI */
 122         AttributeDescription    *mi_ad_readOnly;
 123         AttributeDescription    *mi_ad_restrictedOperation;
 124
 125         void                    *mi_entry_limbo;
 126 } monitor_info_t;
 127
 128 /*
 129  * DNs
 130  */
 131
 132 enum {
 133         SLAPD_MONITOR_BACKEND = 0,
 134         SLAPD_MONITOR_CONN,
 135         SLAPD_MONITOR_DATABASE,
 136         SLAPD_MONITOR_LISTENER,
 137         SLAPD_MONITOR_LOG,
 138         SLAPD_MONITOR_OPS,
 139         SLAPD_MONITOR_OVERLAY,
 140         SLAPD_MONITOR_SASL,
 141         SLAPD_MONITOR_SENT,
 142         SLAPD_MONITOR_THREAD,
 143         SLAPD_MONITOR_TIME,
 144         SLAPD_MONITOR_TLS,
 145         SLAPD_MONITOR_RWW,
 146
 147         SLAPD_MONITOR_LAST
 148 };
 149
 150 #define SLAPD_MONITOR_AT                "cn"
 151
 152 #define SLAPD_MONITOR_BACKEND_NAME      "Backends"
 153 #define SLAPD_MONITOR_BACKEND_RDN       \
 154         SLAPD_MONITOR_AT "=" SLAPD_MONITOR_BACKEND_NAME
 155 #define SLAPD_MONITOR_BACKEND_DN        \
 156         SLAPD_MONITOR_BACKEND_RDN "," SLAPD_MONITOR_DN
 157
 158 #define SLAPD_MONITOR_CONN_NAME         "Connections"
 159 #define SLAPD_MONITOR_CONN_RDN  \
 160         SLAPD_MONITOR_AT "=" SLAPD_MONITOR_CONN_NAME
 161 #define SLAPD_MONITOR_CONN_DN   \
 162         SLAPD_MONITOR_CONN_RDN "," SLAPD_MONITOR_DN
 163
 164 #define SLAPD_MONITOR_DATABASE_NAME     "Databases"
 165 #define SLAPD_MONITOR_DATABASE_RDN      \
 166         SLAPD_MONITOR_AT "=" SLAPD_MONITOR_DATABASE_NAME
 167 #define SLAPD_MONITOR_DATABASE_DN       \
 168         SLAPD_MONITOR_DATABASE_RDN "," SLAPD_MONITOR_DN
 169
 170 #define SLAPD_MONITOR_LISTENER_NAME     "Listeners"
 171 #define SLAPD_MONITOR_LISTENER_RDN      \
 172         SLAPD_MONITOR_AT "=" SLAPD_MONITOR_LISTENER_NAME
 173 #define SLAPD_MONITOR_LISTENER_DN       \
 174         SLAPD_MONITOR_LISTENER_RDN "," SLAPD_MONITOR_DN
 175
 176 #define SLAPD_MONITOR_LOG_NAME          "Log"
 177 #define SLAPD_MONITOR_LOG_RDN   \
 178         SLAPD_MONITOR_AT "=" SLAPD_MONITOR_LOG_NAME
 179 #define SLAPD_MONITOR_LOG_DN    \
 180         SLAPD_MONITOR_LOG_RDN "," SLAPD_MONITOR_DN
 181
 182 #define SLAPD_MONITOR_OPS_NAME          "Operations"
 183 #define SLAPD_MONITOR_OPS_RDN   \
 184         SLAPD_MONITOR_AT "=" SLAPD_MONITOR_OPS_NAME
 185 #define SLAPD_MONITOR_OPS_DN    \
 186         SLAPD_MONITOR_OPS_RDN "," SLAPD_MONITOR_DN
 187
 188 #define SLAPD_MONITOR_OVERLAY_NAME      "Overlay"
 189 #define SLAPD_MONITOR_OVERLAY_RDN  \
 190         SLAPD_MONITOR_AT "=" SLAPD_MONITOR_OVERLAY_NAME
 191 #define SLAPD_MONITOR_OVERLAY_DN   \
 192         SLAPD_MONITOR_OVERLAY_RDN "," SLAPD_MONITOR_DN
 193
 194 #define SLAPD_MONITOR_SASL_NAME         "SASL"
 195 #define SLAPD_MONITOR_SASL_RDN  \
 196         SLAPD_MONITOR_AT "=" SLAPD_MONITOR_SASL_NAME
 197 #define SLAPD_MONITOR_SASL_DN   \
 198         SLAPD_MONITOR_SASL_RDN "," SLAPD_MONITOR_DN
 199
 200 #define SLAPD_MONITOR_SENT_NAME         "Statistics"
 201 #define SLAPD_MONITOR_SENT_RDN  \
 202         SLAPD_MONITOR_AT "=" SLAPD_MONITOR_SENT_NAME
 203 #define SLAPD_MONITOR_SENT_DN   \
 204         SLAPD_MONITOR_SENT_RDN "," SLAPD_MONITOR_DN
 205
 206 #define SLAPD_MONITOR_THREAD_NAME       "Threads"
 207 #define SLAPD_MONITOR_THREAD_RDN        \
 208         SLAPD_MONITOR_AT "=" SLAPD_MONITOR_THREAD_NAME
 209 #define SLAPD_MONITOR_THREAD_DN \
 210         SLAPD_MONITOR_THREAD_RDN "," SLAPD_MONITOR_DN
 211
 212 #define SLAPD_MONITOR_TIME_NAME         "Time"
 213 #define SLAPD_MONITOR_TIME_RDN  \
 214         SLAPD_MONITOR_AT "=" SLAPD_MONITOR_TIME_NAME
 215 #define SLAPD_MONITOR_TIME_DN   \
 216         SLAPD_MONITOR_TIME_RDN "," SLAPD_MONITOR_DN
 217
 218 #define SLAPD_MONITOR_TLS_NAME          "TLS"
 219 #define SLAPD_MONITOR_TLS_RDN   \
 220         SLAPD_MONITOR_AT "=" SLAPD_MONITOR_TLS_NAME
 221 #define SLAPD_MONITOR_TLS_DN    \
 222         SLAPD_MONITOR_TLS_RDN "," SLAPD_MONITOR_DN
 223
 224 #define SLAPD_MONITOR_RWW_NAME          "Waiters"
 225 #define SLAPD_MONITOR_RWW_RDN   \
 226         SLAPD_MONITOR_AT "=" SLAPD_MONITOR_RWW_NAME
 227 #define SLAPD_MONITOR_RWW_DN    \
 228         SLAPD_MONITOR_RWW_RDN "," SLAPD_MONITOR_DN
 229
 230 typedef struct monitor_subsys_t {
 231         char            *mss_name;
 232         struct berval   mss_rdn;
 233         struct berval   mss_dn;
 234         struct berval   mss_ndn;
 235         int             mss_flags;
 236 #define MONITOR_F_OPENED        0x10000000U
 237
 238 #define MONITOR_HAS_VOLATILE_CH( mp ) \
 239         ( ( mp )->mp_flags & MONITOR_F_VOLATILE_CH )
 240 #define MONITOR_HAS_CHILDREN( mp ) \
 241         ( ( mp )->mp_children || MONITOR_HAS_VOLATILE_CH( mp ) )
 242
 243         /* initialize entry and subentries */
 244         int             ( *mss_open )( BackendDB *, struct monitor_subsys_t *ms );
 245         /* update existing dynamic entry and subentries */
 246         int             ( *mss_update )( Operation *, Entry * );
 247         /* create new dynamic subentries */
 248         int             ( *mss_create )( Operation *,
 249                                 struct berval *ndn, Entry *, Entry ** );
 250         /* modify entry and subentries */
 251         int             ( *mss_modify )( Operation *, Entry * );
 252 } monitor_subsys_t;
 253
 254 extern BackendDB *be_monitor;
 255
 256 /* increase this bufsize if entries in string form get too big */
 257 #define BACKMONITOR_BUFSIZE     1024
 258
 259 extern int
 260 monitor_back_register_entry(
 261         Entry                   *e,
 262         monitor_callback_t      *cb );
 263
 264 extern int
 265 monitor_back_register_entry_parent(
 266         Entry                   *e,
 267         monitor_callback_t      *cb,
 268         struct berval           *base,
 269         int                     scope,
 270         struct berval           *filter );
 271
 272 extern int
 273 monitor_filter2ndn(
 274         struct berval           *base,
 275         int                     scope,
 276         struct berval           *filter,
 277         struct berval           *ndn );
 278
 279 extern int
 280 monitor_back_register_entry_attrs(
 281         struct berval           *ndn_in,
 282         Attribute               *a,
 283         monitor_callback_t      *cb,
 284         struct berval           *base,
 285         int                     scope,
 286         struct berval           *filter );
 287
 288 extern int
 289 monitor_back_register_entry_callback(
 290         struct berval           *ndn,
 291         monitor_callback_t      *cb,
 292         struct berval           *base,
 293         int                     scope,
 294         struct berval           *filter );
 295
 296 LDAP_END_DECL
 297
 298 #include "proto-back-monitor.h"
 299
 300 #endif /* _back_monitor_h_ */
 301