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 2001-2008 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, SlapReply *rs, Entry *e, void *priv );
  37                                                 /* update callback
  38                                                    for user-defined entries */
  39         int                             (*mc_modify)( Operation *op, SlapReply *rs, Entry *e, void *priv );
  40                                                 /* modify callback
  41                                                    for user-defined entries */
  42         int                             (*mc_free)( Entry *e, void **priv );
  43                                                 /* delete callback
  44                                                    for user-defined entries */
  45         void                            (*mc_dispose)( void **priv );
  46                                                 /* dispose callback
  47                                                    to dispose of the callback
  48                                                    private data itself */
  49         void                            *mc_private;    /* opaque pointer to
  50                                                    private data */
  51         struct monitor_callback_t       *mc_next;
  52 } monitor_callback_t;
  53
  54
  55 typedef struct monitor_entry_t {
  56         ldap_pvt_thread_mutex_t mp_mutex;       /* entry mutex */
  57         Entry                   *mp_next;       /* pointer to next sibling */
  58         Entry                   *mp_children;   /* pointer to first child */
  59         struct monitor_subsys_t *mp_info;       /* subsystem info */
  60 #define mp_type         mp_info->mss_type
  61         unsigned long           mp_flags;       /* flags */
  62
  63 #define MONITOR_F_NONE          0x0000U
  64 #define MONITOR_F_SUB           0x0001U         /* subentry of subsystem */
  65 #define MONITOR_F_PERSISTENT    0x0010U         /* persistent entry */
  66 #define MONITOR_F_PERSISTENT_CH 0x0020U         /* subsystem generates
  67                                                    persistent entries */
  68 #define MONITOR_F_VOLATILE      0x0040U         /* volatile entry */
  69 #define MONITOR_F_VOLATILE_CH   0x0080U         /* subsystem generates
  70                                                    volatile entries */
  71 #define MONITOR_F_EXTERNAL      0x0100U         /* externally added - don't free */
  72 /* NOTE: flags with 0xF0000000U mask are reserved for subsystem internals */
  73
  74         struct monitor_callback_t       *mp_cb;         /* callback sequence */
  75 } monitor_entry_t;
  76
  77 struct entry_limbo_t;                   /* in init.c */
  78
  79 typedef struct monitor_info_t {
  80
  81         /*
  82          * Internal data
  83          */
  84         Avlnode                 *mi_cache;
  85         ldap_pvt_thread_mutex_t mi_cache_mutex;
  86
  87         /*
  88          * Config parameters
  89          */
  90         struct berval           mi_startTime;           /* don't free it! */
  91         struct berval           mi_creatorsName;        /* don't free it! */
  92         struct berval           mi_ncreatorsName;       /* don't free it! */
  93
  94         /*
  95          * Specific schema entities
  96          */
  97         ObjectClass             *mi_oc_monitor;
  98         ObjectClass             *mi_oc_monitorServer;
  99         ObjectClass             *mi_oc_monitorContainer;
 100         ObjectClass             *mi_oc_monitorCounterObject;
 101         ObjectClass             *mi_oc_monitorOperation;
 102         ObjectClass             *mi_oc_monitorConnection;
 103         ObjectClass             *mi_oc_managedObject;
 104         ObjectClass             *mi_oc_monitoredObject;
 105
 106         AttributeDescription    *mi_ad_monitoredInfo;
 107         AttributeDescription    *mi_ad_managedInfo;
 108         AttributeDescription    *mi_ad_monitorCounter;
 109         AttributeDescription    *mi_ad_monitorOpCompleted;
 110         AttributeDescription    *mi_ad_monitorOpInitiated;
 111         AttributeDescription    *mi_ad_monitorConnectionNumber;
 112         AttributeDescription    *mi_ad_monitorConnectionAuthzDN;
 113         AttributeDescription    *mi_ad_monitorConnectionLocalAddress;
 114         AttributeDescription    *mi_ad_monitorConnectionPeerAddress;
 115         AttributeDescription    *mi_ad_monitorTimestamp;
 116         AttributeDescription    *mi_ad_monitorOverlay;
 117         AttributeDescription    *mi_ad_monitorConnectionProtocol;
 118         AttributeDescription    *mi_ad_monitorConnectionOpsReceived;
 119         AttributeDescription    *mi_ad_monitorConnectionOpsExecuting;
 120         AttributeDescription    *mi_ad_monitorConnectionOpsPending;
 121         AttributeDescription    *mi_ad_monitorConnectionOpsCompleted;
 122         AttributeDescription    *mi_ad_monitorConnectionGet;
 123         AttributeDescription    *mi_ad_monitorConnectionRead;
 124         AttributeDescription    *mi_ad_monitorConnectionWrite;
 125         AttributeDescription    *mi_ad_monitorConnectionMask;
 126         AttributeDescription    *mi_ad_monitorConnectionListener;
 127         AttributeDescription    *mi_ad_monitorConnectionPeerDomain;
 128         AttributeDescription    *mi_ad_monitorConnectionStartTime;
 129         AttributeDescription    *mi_ad_monitorConnectionActivityTime;
 130         AttributeDescription    *mi_ad_monitorIsShadow;
 131         AttributeDescription    *mi_ad_monitorUpdateRef;
 132         AttributeDescription    *mi_ad_monitorRuntimeConfig;
 133
 134         /*
 135          * Generic description attribute
 136          */
 137         AttributeDescription    *mi_ad_readOnly;
 138         AttributeDescription    *mi_ad_restrictedOperation;
 139
 140         struct entry_limbo_t    *mi_entry_limbo;
 141 } monitor_info_t;
 142
 143 /*
 144  * DNs
 145  */
 146
 147 enum {
 148         SLAPD_MONITOR_BACKEND = 0,
 149         SLAPD_MONITOR_CONN,
 150         SLAPD_MONITOR_DATABASE,
 151         SLAPD_MONITOR_LISTENER,
 152         SLAPD_MONITOR_LOG,
 153         SLAPD_MONITOR_OPS,
 154         SLAPD_MONITOR_OVERLAY,
 155         SLAPD_MONITOR_SASL,
 156         SLAPD_MONITOR_SENT,
 157         SLAPD_MONITOR_THREAD,
 158         SLAPD_MONITOR_TIME,
 159         SLAPD_MONITOR_TLS,
 160         SLAPD_MONITOR_RWW,
 161
 162         SLAPD_MONITOR_LAST
 163 };
 164
 165 #define SLAPD_MONITOR_AT                "cn"
 166
 167 #define SLAPD_MONITOR_BACKEND_NAME      "Backends"
 168 #define SLAPD_MONITOR_BACKEND_RDN       \
 169         SLAPD_MONITOR_AT "=" SLAPD_MONITOR_BACKEND_NAME
 170 #define SLAPD_MONITOR_BACKEND_DN        \
 171         SLAPD_MONITOR_BACKEND_RDN "," SLAPD_MONITOR_DN
 172
 173 #define SLAPD_MONITOR_CONN_NAME         "Connections"
 174 #define SLAPD_MONITOR_CONN_RDN  \
 175         SLAPD_MONITOR_AT "=" SLAPD_MONITOR_CONN_NAME
 176 #define SLAPD_MONITOR_CONN_DN   \
 177         SLAPD_MONITOR_CONN_RDN "," SLAPD_MONITOR_DN
 178
 179 #define SLAPD_MONITOR_DATABASE_NAME     "Databases"
 180 #define SLAPD_MONITOR_DATABASE_RDN      \
 181         SLAPD_MONITOR_AT "=" SLAPD_MONITOR_DATABASE_NAME
 182 #define SLAPD_MONITOR_DATABASE_DN       \
 183         SLAPD_MONITOR_DATABASE_RDN "," SLAPD_MONITOR_DN
 184
 185 #define SLAPD_MONITOR_LISTENER_NAME     "Listeners"
 186 #define SLAPD_MONITOR_LISTENER_RDN      \
 187         SLAPD_MONITOR_AT "=" SLAPD_MONITOR_LISTENER_NAME
 188 #define SLAPD_MONITOR_LISTENER_DN       \
 189         SLAPD_MONITOR_LISTENER_RDN "," SLAPD_MONITOR_DN
 190
 191 #define SLAPD_MONITOR_LOG_NAME          "Log"
 192 #define SLAPD_MONITOR_LOG_RDN   \
 193         SLAPD_MONITOR_AT "=" SLAPD_MONITOR_LOG_NAME
 194 #define SLAPD_MONITOR_LOG_DN    \
 195         SLAPD_MONITOR_LOG_RDN "," SLAPD_MONITOR_DN
 196
 197 #define SLAPD_MONITOR_OPS_NAME          "Operations"
 198 #define SLAPD_MONITOR_OPS_RDN   \
 199         SLAPD_MONITOR_AT "=" SLAPD_MONITOR_OPS_NAME
 200 #define SLAPD_MONITOR_OPS_DN    \
 201         SLAPD_MONITOR_OPS_RDN "," SLAPD_MONITOR_DN
 202
 203 #define SLAPD_MONITOR_OVERLAY_NAME      "Overlays"
 204 #define SLAPD_MONITOR_OVERLAY_RDN  \
 205         SLAPD_MONITOR_AT "=" SLAPD_MONITOR_OVERLAY_NAME
 206 #define SLAPD_MONITOR_OVERLAY_DN   \
 207         SLAPD_MONITOR_OVERLAY_RDN "," SLAPD_MONITOR_DN
 208
 209 #define SLAPD_MONITOR_SASL_NAME         "SASL"
 210 #define SLAPD_MONITOR_SASL_RDN  \
 211         SLAPD_MONITOR_AT "=" SLAPD_MONITOR_SASL_NAME
 212 #define SLAPD_MONITOR_SASL_DN   \
 213         SLAPD_MONITOR_SASL_RDN "," SLAPD_MONITOR_DN
 214
 215 #define SLAPD_MONITOR_SENT_NAME         "Statistics"
 216 #define SLAPD_MONITOR_SENT_RDN  \
 217         SLAPD_MONITOR_AT "=" SLAPD_MONITOR_SENT_NAME
 218 #define SLAPD_MONITOR_SENT_DN   \
 219         SLAPD_MONITOR_SENT_RDN "," SLAPD_MONITOR_DN
 220
 221 #define SLAPD_MONITOR_THREAD_NAME       "Threads"
 222 #define SLAPD_MONITOR_THREAD_RDN        \
 223         SLAPD_MONITOR_AT "=" SLAPD_MONITOR_THREAD_NAME
 224 #define SLAPD_MONITOR_THREAD_DN \
 225         SLAPD_MONITOR_THREAD_RDN "," SLAPD_MONITOR_DN
 226
 227 #define SLAPD_MONITOR_TIME_NAME         "Time"
 228 #define SLAPD_MONITOR_TIME_RDN  \
 229         SLAPD_MONITOR_AT "=" SLAPD_MONITOR_TIME_NAME
 230 #define SLAPD_MONITOR_TIME_DN   \
 231         SLAPD_MONITOR_TIME_RDN "," SLAPD_MONITOR_DN
 232
 233 #define SLAPD_MONITOR_TLS_NAME          "TLS"
 234 #define SLAPD_MONITOR_TLS_RDN   \
 235         SLAPD_MONITOR_AT "=" SLAPD_MONITOR_TLS_NAME
 236 #define SLAPD_MONITOR_TLS_DN    \
 237         SLAPD_MONITOR_TLS_RDN "," SLAPD_MONITOR_DN
 238
 239 #define SLAPD_MONITOR_RWW_NAME          "Waiters"
 240 #define SLAPD_MONITOR_RWW_RDN   \
 241         SLAPD_MONITOR_AT "=" SLAPD_MONITOR_RWW_NAME
 242 #define SLAPD_MONITOR_RWW_DN    \
 243         SLAPD_MONITOR_RWW_RDN "," SLAPD_MONITOR_DN
 244
 245 typedef struct monitor_subsys_t {
 246         char            *mss_name;
 247         struct berval   mss_rdn;
 248         struct berval   mss_dn;
 249         struct berval   mss_ndn;
 250         struct berval   mss_desc[ 3 ];
 251         int             mss_flags;
 252 #define MONITOR_F_OPENED        0x10000000U
 253
 254 #define MONITOR_HAS_VOLATILE_CH( mp ) \
 255         ( ( mp )->mp_flags & MONITOR_F_VOLATILE_CH )
 256 #define MONITOR_HAS_CHILDREN( mp ) \
 257         ( ( mp )->mp_children || MONITOR_HAS_VOLATILE_CH( mp ) )
 258
 259         /* initialize entry and subentries */
 260         int             ( *mss_open )( BackendDB *, struct monitor_subsys_t *ms );
 261         /* destroy structure */
 262         int             ( *mss_destroy )( BackendDB *, struct monitor_subsys_t *ms );
 263         /* update existing dynamic entry and subentries */
 264         int             ( *mss_update )( Operation *, SlapReply *, Entry * );
 265         /* create new dynamic subentries */
 266         int             ( *mss_create )( Operation *, SlapReply *,
 267                                 struct berval *ndn, Entry *, Entry ** );
 268         /* modify entry and subentries */
 269         int             ( *mss_modify )( Operation *, SlapReply *, Entry * );
 270 } monitor_subsys_t;
 271
 272 extern BackendDB *be_monitor;
 273
 274 /* increase this bufsize if entries in string form get too big */
 275 #define BACKMONITOR_BUFSIZE     8192
 276
 277 typedef int (monitor_cbfunc)( struct berval *ndn, monitor_callback_t *cb,
 278         struct berval *base, int scope, struct berval *filter );
 279
 280 typedef int (monitor_cbafunc)( struct berval *ndn, Attribute *a,
 281         monitor_callback_t *cb,
 282         struct berval *base, int scope, struct berval *filter );
 283
 284 typedef struct monitor_extra_t {
 285         int (*is_configured)(void);
 286         monitor_subsys_t * (*get_subsys)( const char *name );
 287         monitor_subsys_t * (*get_subsys_by_dn)( struct berval *ndn, int sub );
 288
 289         int (*register_subsys)( monitor_subsys_t *ms );
 290         int (*register_backend)( BackendInfo *bi );
 291         int (*register_database)( BackendDB *be, struct berval *ndn );
 292         int (*register_overlay_info)( slap_overinst *on );
 293         int (*register_overlay)( BackendDB *be );
 294         int (*register_entry)( Entry *e, monitor_callback_t *cb,
 295                 monitor_subsys_t *ms, unsigned long flags );
 296         int (*register_entry_parent)( Entry *e, monitor_callback_t *cb,
 297                 monitor_subsys_t *ms, unsigned long flags,
 298                 struct berval *base, int scope, struct berval *filter );
 299         monitor_cbafunc *register_entry_attrs;
 300         monitor_cbfunc *register_entry_callback;
 301
 302         int (*unregister_entry)( struct berval *ndn );
 303         monitor_cbfunc *unregister_entry_parent;
 304         monitor_cbafunc *unregister_entry_attrs;
 305         monitor_cbfunc *unregister_entry_callback;
 306 } monitor_extra_t;
 307
 308 LDAP_END_DECL
 309
 310 #include "proto-back-monitor.h"
 311
 312 #endif /* _back_monitor_h_ */
 313