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;
  52         struct berval           *bv[2], val;
  53
  54         assert( be != NULL );
  55
  56         mi = ( struct monitorinfo * )be->be_private;
  57
  58         if ( monitor_cache_get( mi,
  59                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn, &e ) ) {
  60 #ifdef NEW_LOGGING
  61                 LDAP_LOG(( "operation", LDAP_LEVEL_CRIT,
  62                         "monitor_subsys_conn_init: "
  63                         "unable to get entry '%s'\n",
  64                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn ));
  65 #else
  66                 Debug( LDAP_DEBUG_ANY,
  67                         "monitor_subsys_conn_init: "
  68                         "unable to get entry '%s'\n%s%s",
  69                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn,
  70                         "", "" );
  71 #endif
  72                 return( -1 );
  73         }
  74
  75         bv[0] = &val;
  76         bv[1] = NULL;
  77
  78         monitor_cache_release( mi, e );
  79
  80         return( 0 );
  81 }
  82
  83 int
  84 monitor_subsys_conn_update(
  85         struct monitorinfo      *mi,
  86         Entry                   *e
  87 )
  88 {
  89         Connection              *c;
  90         int                     connindex;
  91         int                     nconns, nwritewaiters, nreadwaiters;
  92
  93         Attribute               *a;
  94         struct berval           *bv[2], val, **b = NULL;
  95         char                    buf[1024];
  96
  97         assert( mi != NULL );
  98         assert( e != NULL );
  99
 100         bv[0] = &val;
 101         bv[1] = NULL;
 102
 103         nconns = nwritewaiters = nreadwaiters = 0;
 104         for ( c = connection_first( &connindex );
 105                         c != NULL;
 106                         c = connection_next( c, &connindex ), nconns++ ) {
 107                 if ( c->c_writewaiter ) {
 108                         nwritewaiters++;
 109                 }
 110                 if ( c->c_currentber != NULL ) {
 111                         nreadwaiters++;
 112                 }
 113         }
 114         connection_done(c);
 115
 116 #if 0
 117         snprintf( buf, sizeof( buf ), "readwaiters=%d", nreadwaiters );
 118
 119         if ( ( a = attr_find( e->e_attrs, monitor_ad_desc ) ) != NULL ) {
 120                 for ( b = a->a_vals; b[0] != NULL; b++ ) {
 121                         if ( strncmp( b[0]->bv_val, "readwaiters=",
 122                                         sizeof( "readwaiters=" ) - 1 ) == 0 ) {
 123                                 free( b[0]->bv_val );
 124                                 b[0] = ber_bvstrdup( buf );
 125                                 break;
 126                         }
 127                 }
 128         }
 129
 130         if ( b == NULL || b[0] == NULL ) {
 131                 val.bv_val = buf;
 132                 val.bv_len = strlen( buf );
 133                 attr_merge( e, monitor_ad_desc, bv );
 134         }
 135 #endif
 136
 137         return( 0 );
 138 }
 139
 140 static int
 141 conn_create(
 142         Connection              *c,
 143         Entry                   **ep
 144 )
 145 {
 146         struct monitorentrypriv *mp;
 147         struct tm               *ltm;
 148         char                    buf[1024];
 149         char                    buf2[22];
 150         char                    buf3[22];
 151
 152         struct berval           *bv[2], val;
 153
 154         Entry                   *e;
 155
 156         assert( c != NULL );
 157         assert( ep != NULL );
 158
 159         snprintf( buf, sizeof( buf ),
 160                 "dn: cn=%ld,%s\n"
 161                 "objectClass: top\n"
 162                 "objectClass: LDAPsubEntry\n"
 163 #ifdef SLAPD_MONITORSUBENTRY
 164                 "objectClass: monitorSubEntry\n"
 165 #else /* !SLAPD_MONITORSUBENTRY */
 166                 "objectClass: extensibleObject\n"
 167 #endif /* !SLAPD_MONITORSUBENTRY */
 168                 "cn: %ld\n",
 169                 c->c_connid, monitor_subsys[SLAPD_MONITOR_CONN].mss_dn,
 170                 c->c_connid );
 171         e = str2entry( buf );
 172
 173         if ( e == NULL) {
 174 #ifdef NEW_LOGGING
 175                 LDAP_LOG(( "operation", LDAP_LEVEL_CRIT,
 176                         "monitor_subsys_conn_create: "
 177                         "unable to create entry "
 178                         "'cn=%ld,%s' entry\n",
 179                         c->c_connid,
 180                         monitor_subsys[SLAPD_MONITOR_CONN].mss_dn ));
 181 #else
 182                 Debug( LDAP_DEBUG_ANY,
 183                         "monitor_subsys_conn_create: "
 184                         "unable to create entry "
 185                         "'cn=%ld,%s' entry\n%s",
 186                         c->c_connid,
 187                         monitor_subsys[SLAPD_MONITOR_CONN].mss_dn, "" );
 188 #endif
 189                 return( -1 );
 190         }
 191
 192         ldap_pvt_thread_mutex_lock( &gmtime_mutex );
 193
 194         ltm = gmtime( &c->c_starttime );
 195         strftime( buf2, sizeof(buf2), "%Y%m%d%H%M%SZ", ltm );
 196
 197         ltm = gmtime( &c->c_activitytime );
 198         strftime( buf3, sizeof(buf2), "%Y%m%d%H%M%SZ", ltm );
 199
 200         ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
 201
 202         sprintf( buf,
 203                 "%ld : %ld "
 204                 ": %ld/%ld/%ld/%ld "
 205                 ": %ld/%ld/%ld "
 206                 ": %s%s%s%s%s%s "
 207                 ": %s : %s : %s "
 208                 ": %s : %s : %s : %s",
 209                 c->c_connid,
 210                 (long) c->c_protocol,
 211                 c->c_n_ops_received, c->c_n_ops_executing,
 212                 c->c_n_ops_pending, c->c_n_ops_completed,
 213
 214                 /* add low-level counters here */
 215                 c->c_n_get, c->c_n_read, c->c_n_write,
 216
 217                 c->c_currentber ? "r" : "",
 218                 c->c_writewaiter ? "w" : "",
 219                 c->c_ops != NULL ? "x" : "",
 220                 c->c_pending_ops != NULL ? "p" : "",
 221                 connection_state2str( c->c_conn_state ),
 222                 c->c_sasl_bind_in_progress ? "S" : "",
 223
 224                 c->c_cdn ? c->c_cdn : SLAPD_ANONYMOUS,
 225
 226                 c->c_listener_url,
 227                 c->c_peer_domain,
 228                 c->c_peer_name,
 229                 c->c_sock_name,
 230
 231                 buf2,
 232                 buf3
 233                 );
 234
 235         bv[0] = &val;
 236         bv[1] = NULL;
 237
 238         val.bv_val = buf;
 239         val.bv_len = strlen( buf );
 240         attr_merge( e, monitor_ad_desc, bv );
 241
 242         mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
 243         e->e_private = ( void * )mp;
 244         mp->mp_info = &monitor_subsys[ SLAPD_MONITOR_CONN ];
 245         mp->mp_children = NULL;
 246         mp->mp_flags = MONITOR_F_SUB | MONITOR_F_VOLATILE;
 247
 248         *ep = e;
 249
 250         return( 0 );
 251 }
 252
 253 int
 254 monitor_subsys_conn_create(
 255         struct monitorinfo      *mi,
 256         const char              *ndn,
 257         Entry                   *e_parent,
 258         Entry                   **ep
 259 )
 260 {
 261         Connection              *c;
 262         int                     connindex;
 263         struct monitorentrypriv *mp;
 264
 265         assert( mi != NULL );
 266         assert( e_parent != NULL );
 267         assert( ep != NULL );
 268
 269         *ep = NULL;
 270
 271         if ( ndn == NULL ) {
 272                 Entry *e, *e_tmp = NULL;
 273
 274                 /* create all the children of e_parent */
 275                 for ( c = connection_first( &connindex );
 276                                 c != NULL;
 277                                 c = connection_next( c, &connindex )) {
 278                         if ( conn_create( c, &e ) || e == NULL ) {
 279                                 // error
 280                         }
 281                         mp = ( struct monitorentrypriv * )e->e_private;
 282                         mp->mp_next = e_tmp;
 283                         e_tmp = e;
 284                 }
 285                 connection_done(c);
 286
 287                 *ep = e;
 288         } else {
 289                 /* create exactly the required entry */
 290                 char *rdn, *value;
 291                 unsigned long connid;
 292
 293                 rdn = dn_rdn( NULL, ndn );
 294                 value = rdn_attr_value( rdn );
 295                 connid = atol( value );
 296                 free( value );
 297                 free( rdn );
 298
 299                 for ( c = connection_first( &connindex );
 300                                 c != NULL;
 301                                 c = connection_next( c, &connindex )) {
 302                         if ( c->c_connid == connid ) {
 303                                 if ( conn_create( c, ep ) || *ep == NULL ) {
 304                                         // error
 305                                 }
 306                         }
 307                 }
 308
 309                 connection_done(c);
 310
 311         }
 312
 313         return( 0 );
 314 }
 315