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

   1 /* conn.c - deal with connection subsystem */
   2 /*
   3  * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
   4  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   5  */
   6 /*
   7  * Copyright 2001 The OpenLDAP Foundation, All Rights Reserved.
   8  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   9  *
  10  * Copyright 2001, Pierangelo Masarati, All rights reserved. <ando@sys-net.it>
  11  *
  12  * This work has beed deveolped for the OpenLDAP Foundation
  13  * in the hope that it may be useful to the Open Source community,
  14  * but WITHOUT ANY WARRANTY.
  15  *
  16  * Permission is granted to anyone to use this software for any purpose
  17  * on any computer system, and to alter it and redistribute it, subject
  18  * to the following restrictions:
  19  *
  20  * 1. The author and SysNet s.n.c. are not responsible for the consequences
  21  *    of use of this software, no matter how awful, even if they arise from
  22  *    flaws in it.
  23  *
  24  * 2. The origin of this software must not be misrepresented, either by
  25  *    explicit claim or by omission.  Since few users ever read sources,
  26  *    credits should appear in the documentation.
  27  *
  28  * 3. Altered versions must be plainly marked as such, and must not be
  29  *    misrepresented as being the original software.  Since few users
  30  *    ever read sources, credits should appear in the documentation.
  31  *    SysNet s.n.c. cannot be responsible for the consequences of the
  32  *    alterations.
  33  *
  34  * 4. This notice may not be removed or altered.
  35  */
  36
  37 #include "portable.h"
  38
  39 #include <stdio.h>
  40
  41 #include "slap.h"
  42 #include "back-monitor.h"
  43
  44 int
  45 monitor_subsys_conn_init(
  46         BackendDB               *be
  47 )
  48 {
  49         struct monitorinfo      *mi;
  50
  51         Entry                   *e, *e_tmp, *e_conn;
  52         struct monitorentrypriv *mp;
  53         char                    buf[1024];
  54         struct berval           val, *bv[2] = { &val, NULL };
  55
  56         assert( be != NULL );
  57
  58         mi = ( struct monitorinfo * )be->be_private;
  59
  60         if ( monitor_cache_get( mi,
  61                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn, &e_conn ) ) {
  62 #ifdef NEW_LOGGING
  63                 LDAP_LOG(( "operation", LDAP_LEVEL_CRIT,
  64                         "monitor_subsys_conn_init: "
  65                         "unable to get entry '%s'\n",
  66                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn ));
  67 #else
  68                 Debug( LDAP_DEBUG_ANY,
  69                         "monitor_subsys_conn_init: "
  70                         "unable to get entry '%s'\n%s%s",
  71                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn,
  72                         "", "" );
  73 #endif
  74                 return( -1 );
  75         }
  76
  77         e_tmp = NULL;
  78
  79         /*
  80          * Total conns
  81          */
  82         snprintf( buf, sizeof( buf ),
  83                 "dn: cn=Total,%s\n"
  84                 "objectClass: top\n"
  85                 "objectClass: LDAPsubEntry\n"
  86 #ifdef SLAPD_MONITORSUBENTRY
  87                 "objectClass: monitorSubEntry\n"
  88 #else /* !SLAPD_MONITORSUBENTRY */
  89                 "objectClass: extensibleObject\n"
  90 #endif /* !SLAPD_MONITORSUBENTRY */
  91                 "cn: Total\n",
  92                 monitor_subsys[SLAPD_MONITOR_CONN].mss_dn );
  93
  94         e = str2entry( buf );
  95         if ( e == NULL ) {
  96 #ifdef NEW_LOGGING
  97                 LDAP_LOG(( "operation", LDAP_LEVEL_CRIT,
  98                         "monitor_subsys_conn_init: "
  99                         "unable to create entry 'cn=Total,%s'\n",
 100                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn ));
 101 #else
 102                 Debug( LDAP_DEBUG_ANY,
 103                         "monitor_subsys_conn_init: "
 104                         "unable to create entry 'cn=Total,%s'\n%s%s",
 105                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn,
 106                         "", "" );
 107 #endif
 108                 return( -1 );
 109         }
 110
 111         val.bv_val = "0";
 112         val.bv_len = 1;
 113         attr_merge( e, monitor_ad_desc, bv );
 114
 115         mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
 116         e->e_private = ( void * )mp;
 117         mp->mp_next = e_tmp;
 118         mp->mp_children = NULL;
 119         mp->mp_info = &monitor_subsys[SLAPD_MONITOR_CONN];
 120         mp->mp_flags = monitor_subsys[SLAPD_MONITOR_CONN].mss_flags \
 121                 | MONITOR_F_SUB | MONITOR_F_PERSISTENT;
 122         mp->mp_flags &= ~MONITOR_F_VOLATILE_CH;
 123
 124         if ( monitor_cache_add( mi, e ) ) {
 125 #ifdef NEW_LOGGING
 126                 LDAP_LOG(( "operation", LDAP_LEVEL_CRIT,
 127                         "monitor_subsys_conn_init: "
 128                         "unable to add entry 'cn=Total,%s'\n",
 129                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn ));
 130 #else
 131                 Debug( LDAP_DEBUG_ANY,
 132                         "monitor_subsys_conn_init: "
 133                         "unable to add entry 'cn=Total,%s'\n%s%s",
 134                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn,
 135                         "", "" );
 136 #endif
 137                 return( -1 );
 138         }
 139
 140         e_tmp = e;
 141
 142         /*
 143          * Current conns
 144          */
 145         snprintf( buf, sizeof( buf ),
 146                 "dn: cn=Current,%s\n"
 147                 "objectClass: top\n"
 148                 "objectClass: LDAPsubEntry\n"
 149 #ifdef SLAPD_MONITORSUBENTRY
 150                 "objectClass: monitorSubEntry\n"
 151 #else /* !SLAPD_MONITORSUBENTRY */
 152                 "objectClass: extensibleObject\n"
 153 #endif /* !SLAPD_MONITORSUBENTRY */
 154                 "cn: Current\n",
 155                 monitor_subsys[SLAPD_MONITOR_CONN].mss_dn );
 156
 157         e = str2entry( buf );
 158         if ( e == NULL ) {
 159 #ifdef NEW_LOGGING
 160                 LDAP_LOG(( "operation", LDAP_LEVEL_CRIT,
 161                         "monitor_subsys_conn_init: "
 162                         "unable to create entry 'cn=Current,%s'\n",
 163                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn ));
 164 #else
 165                 Debug( LDAP_DEBUG_ANY,
 166                         "monitor_subsys_conn_init: "
 167                         "unable to create entry 'cn=Current,%s'\n%s%s",
 168                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn,
 169                         "", "" );
 170 #endif
 171                 return( -1 );
 172         }
 173
 174         mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
 175         e->e_private = ( void * )mp;
 176         mp->mp_next = e_tmp;
 177         mp->mp_children = NULL;
 178         mp->mp_info = &monitor_subsys[SLAPD_MONITOR_CONN];
 179         mp->mp_flags = monitor_subsys[SLAPD_MONITOR_CONN].mss_flags \
 180                 | MONITOR_F_SUB | MONITOR_F_PERSISTENT;
 181         mp->mp_flags &= ~MONITOR_F_VOLATILE_CH;
 182
 183         if ( monitor_cache_add( mi, e ) ) {
 184 #ifdef NEW_LOGGING
 185                 LDAP_LOG(( "operation", LDAP_LEVEL_CRIT,
 186                         "monitor_subsys_conn_init: "
 187                         "unable to add entry 'cn=Current,%s'\n",
 188                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn ));
 189 #else
 190                 Debug( LDAP_DEBUG_ANY,
 191                         "monitor_subsys_conn_init: "
 192                         "unable to add entry 'cn=Current,%s'\n%s%s",
 193                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn,
 194                         "", "" );
 195 #endif
 196                 return( -1 );
 197         }
 198
 199         e_tmp = e;
 200
 201         mp = ( struct monitorentrypriv * )e_conn->e_private;
 202         mp->mp_children = e_tmp;
 203
 204         monitor_cache_release( mi, e_conn );
 205
 206         return( 0 );
 207 }
 208
 209 int
 210 monitor_subsys_conn_update(
 211         struct monitorinfo      *mi,
 212         Entry                   *e
 213 )
 214 {
 215         long            n = -1;
 216
 217         assert( mi );
 218         assert( e );
 219
 220         if ( strncasecmp( e->e_ndn, "CN=TOTAL",
 221                                 sizeof("CN=TOTAL")-1 ) == 0 ) {
 222                 n = connections_nextid();
 223
 224         } else if ( strncasecmp( e->e_ndn, "CN=CURRENT",
 225                                 sizeof("CN=CURRENT")-1 ) == 0 ) {
 226                 Connection      *c;
 227                 int             connindex;
 228
 229                 for ( n = 0, c = connection_first( &connindex );
 230                                 c != NULL;
 231                                 n++, c = connection_next( c, &connindex ) ) {
 232                         /* No Op */ ;
 233                 }
 234                 connection_done(c);
 235         }
 236
 237         if ( n != -1 ) {
 238                 Attribute       *a;
 239                 char            buf[16];
 240
 241                 a = attr_find( e->e_attrs, monitor_ad_desc );
 242                 if ( a == NULL ) {
 243                         return( -1 );
 244                 }
 245
 246                 snprintf( buf, sizeof( buf ), "%ld", n );
 247                 ber_bvfree( a->a_vals[ 0 ] );
 248                 a->a_vals[ 0 ] = ber_bvstrdup( buf );
 249         }
 250
 251         return( 0 );
 252 }
 253
 254 static int
 255 conn_create(
 256         Connection              *c,
 257         Entry                   **ep
 258 )
 259 {
 260         struct monitorentrypriv *mp;
 261         struct tm               *ltm;
 262         char                    buf[1024];
 263         char                    buf2[22];
 264         char                    buf3[22];
 265
 266         struct berval           val, *bv[2] = { &val, NULL };
 267
 268         Entry                   *e;
 269
 270         assert( c != NULL );
 271         assert( ep != NULL );
 272
 273         snprintf( buf, sizeof( buf ),
 274                 "dn: cn=%ld,%s\n"
 275                 "objectClass: top\n"
 276                 "objectClass: LDAPsubEntry\n"
 277 #ifdef SLAPD_MONITORSUBENTRY
 278                 "objectClass: monitorSubEntry\n"
 279 #else /* !SLAPD_MONITORSUBENTRY */
 280                 "objectClass: extensibleObject\n"
 281 #endif /* !SLAPD_MONITORSUBENTRY */
 282                 "cn: %ld\n",
 283                 c->c_connid, monitor_subsys[SLAPD_MONITOR_CONN].mss_dn,
 284                 c->c_connid );
 285         e = str2entry( buf );
 286
 287         if ( e == NULL) {
 288 #ifdef NEW_LOGGING
 289                 LDAP_LOG(( "operation", LDAP_LEVEL_CRIT,
 290                         "monitor_subsys_conn_create: "
 291                         "unable to create entry "
 292                         "'cn=%ld,%s' entry\n",
 293                         c->c_connid,
 294                         monitor_subsys[SLAPD_MONITOR_CONN].mss_dn ));
 295 #else
 296                 Debug( LDAP_DEBUG_ANY,
 297                         "monitor_subsys_conn_create: "
 298                         "unable to create entry "
 299                         "'cn=%ld,%s' entry\n%s",
 300                         c->c_connid,
 301                         monitor_subsys[SLAPD_MONITOR_CONN].mss_dn, "" );
 302 #endif
 303                 return( -1 );
 304         }
 305
 306         ldap_pvt_thread_mutex_lock( &gmtime_mutex );
 307
 308         ltm = gmtime( &c->c_starttime );
 309         strftime( buf2, sizeof(buf2), "%Y%m%d%H%M%SZ", ltm );
 310
 311         ltm = gmtime( &c->c_activitytime );
 312         strftime( buf3, sizeof(buf2), "%Y%m%d%H%M%SZ", ltm );
 313
 314         ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
 315
 316         sprintf( buf,
 317                 "%ld : %ld "
 318                 ": %ld/%ld/%ld/%ld "
 319                 ": %ld/%ld/%ld "
 320                 ": %s%s%s%s%s%s "
 321                 ": %s : %s : %s "
 322                 ": %s : %s : %s : %s",
 323                 c->c_connid,
 324                 (long) c->c_protocol,
 325                 c->c_n_ops_received, c->c_n_ops_executing,
 326                 c->c_n_ops_pending, c->c_n_ops_completed,
 327
 328                 /* add low-level counters here */
 329                 c->c_n_get, c->c_n_read, c->c_n_write,
 330
 331                 c->c_currentber ? "r" : "",
 332                 c->c_writewaiter ? "w" : "",
 333                 c->c_ops != NULL ? "x" : "",
 334                 c->c_pending_ops != NULL ? "p" : "",
 335                 connection_state2str( c->c_conn_state ),
 336                 c->c_sasl_bind_in_progress ? "S" : "",
 337
 338                 c->c_cdn ? c->c_cdn : SLAPD_ANONYMOUS,
 339
 340                 c->c_listener_url,
 341                 c->c_peer_domain,
 342                 c->c_peer_name,
 343                 c->c_sock_name,
 344
 345                 buf2,
 346                 buf3
 347                 );
 348
 349         val.bv_val = buf;
 350         val.bv_len = strlen( buf );
 351         attr_merge( e, monitor_ad_desc, bv );
 352
 353         mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
 354         e->e_private = ( void * )mp;
 355         mp->mp_info = &monitor_subsys[ SLAPD_MONITOR_CONN ];
 356         mp->mp_children = NULL;
 357         mp->mp_flags = MONITOR_F_SUB | MONITOR_F_VOLATILE;
 358
 359         *ep = e;
 360
 361         return( 0 );
 362 }
 363
 364 int
 365 monitor_subsys_conn_create(
 366         struct monitorinfo      *mi,
 367         const char              *ndn,
 368         Entry                   *e_parent,
 369         Entry                   **ep
 370 )
 371 {
 372         Connection              *c;
 373         int                     connindex;
 374         struct monitorentrypriv *mp;
 375
 376         assert( mi != NULL );
 377         assert( e_parent != NULL );
 378         assert( ep != NULL );
 379
 380         *ep = NULL;
 381
 382         if ( ndn == NULL ) {
 383                 Entry *e, *e_tmp = NULL;
 384
 385                 /* create all the children of e_parent */
 386                 for ( c = connection_first( &connindex );
 387                                 c != NULL;
 388                                 c = connection_next( c, &connindex )) {
 389                         if ( conn_create( c, &e ) || e == NULL ) {
 390                                 connection_done(c);
 391                                 return( -1 );
 392                         }
 393                         mp = ( struct monitorentrypriv * )e->e_private;
 394                         mp->mp_next = e_tmp;
 395                         e_tmp = e;
 396                 }
 397                 connection_done(c);
 398
 399                 *ep = e;
 400         } else {
 401                 /* create exactly the required entry */
 402                 char *rdn, *value;
 403                 unsigned long connid;
 404
 405                 rdn = dn_rdn( NULL, ndn );
 406                 value = rdn_attr_value( rdn );
 407                 connid = atol( value );
 408                 free( value );
 409                 free( rdn );
 410
 411                 for ( c = connection_first( &connindex );
 412                                 c != NULL;
 413                                 c = connection_next( c, &connindex )) {
 414                         if ( c->c_connid == connid ) {
 415                                 if ( conn_create( c, ep ) || *ep == NULL ) {
 416                                         connection_done(c);
 417                                         return( -1 );
 418                                 }
 419                         }
 420                 }
 421
 422                 connection_done(c);
 423
 424         }
 425
 426         return( 0 );
 427 }
 428