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440 lines
10 KiB
C
440 lines
10 KiB
C
/* conn.c - deal with connection subsystem */
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/*
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* Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
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* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
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*/
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/*
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* Copyright 2001, Pierangelo Masarati, All rights reserved. <ando@sys-net.it>
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*
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* This work has beed deveolped for the OpenLDAP Foundation
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* in the hope that it may be useful to the Open Source community,
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* but WITHOUT ANY WARRANTY.
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*
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* Permission is granted to anyone to use this software for any purpose
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* on any computer system, and to alter it and redistribute it, subject
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* to the following restrictions:
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*
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* 1. The author and SysNet s.n.c. are not responsible for the consequences
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* of use of this software, no matter how awful, even if they arise from
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* flaws in it.
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*
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* 2. The origin of this software must not be misrepresented, either by
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* explicit claim or by omission. Since few users ever read sources,
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* credits should appear in the documentation.
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*
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* 3. Altered versions must be plainly marked as such, and must not be
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* misrepresented as being the original software. Since few users
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* ever read sources, credits should appear in the documentation.
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* SysNet s.n.c. cannot be responsible for the consequences of the
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* alterations.
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*
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* 4. This notice may not be removed or altered.
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*/
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#include "portable.h"
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#include <stdio.h>
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#include "lutil.h"
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#include "slap.h"
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#include "back-monitor.h"
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#define CONN_CN_PREFIX "Connection"
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int
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monitor_subsys_conn_init(
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BackendDB *be
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)
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{
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struct monitorinfo *mi;
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Entry *e, *e_tmp, *e_conn;
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struct monitorentrypriv *mp;
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char buf[1024];
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struct berval bv[2];
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assert( be != NULL );
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mi = ( struct monitorinfo * )be->be_private;
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if ( monitor_cache_get( mi,
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&monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn, &e_conn ) ) {
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#ifdef NEW_LOGGING
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LDAP_LOG( OPERATION, CRIT,
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"monitor_subsys_conn_init: "
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"unable to get entry '%s'\n",
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monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val, 0, 0 );
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#else
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Debug( LDAP_DEBUG_ANY,
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"monitor_subsys_conn_init: "
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"unable to get entry '%s'\n%s%s",
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monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val,
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"", "" );
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#endif
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return( -1 );
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}
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e_tmp = NULL;
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/*
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* Total conns
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*/
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snprintf( buf, sizeof( buf ),
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"dn: cn=Total,%s\n"
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SLAPD_MONITOR_OBJECTCLASSES
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"cn: Total\n",
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monitor_subsys[SLAPD_MONITOR_CONN].mss_dn.bv_val );
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e = str2entry( buf );
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if ( e == NULL ) {
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#ifdef NEW_LOGGING
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LDAP_LOG( OPERATION, CRIT,
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"monitor_subsys_conn_init: "
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"unable to create entry 'cn=Total,%s'\n",
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monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val, 0, 0 );
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#else
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Debug( LDAP_DEBUG_ANY,
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"monitor_subsys_conn_init: "
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"unable to create entry 'cn=Total,%s'\n%s%s",
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monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val,
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"", "" );
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#endif
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return( -1 );
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}
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bv[1].bv_val = NULL;
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bv[0].bv_val = "0";
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bv[0].bv_len = 1;
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attr_merge( e, monitor_ad_desc, bv );
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mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
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e->e_private = ( void * )mp;
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mp->mp_next = e_tmp;
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mp->mp_children = NULL;
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mp->mp_info = &monitor_subsys[SLAPD_MONITOR_CONN];
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mp->mp_flags = monitor_subsys[SLAPD_MONITOR_CONN].mss_flags \
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| MONITOR_F_SUB | MONITOR_F_PERSISTENT;
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mp->mp_flags &= ~MONITOR_F_VOLATILE_CH;
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if ( monitor_cache_add( mi, e ) ) {
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#ifdef NEW_LOGGING
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LDAP_LOG( OPERATION, CRIT,
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"monitor_subsys_conn_init: "
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"unable to add entry 'cn=Total,%s'\n",
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monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val, 0, 0 );
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#else
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Debug( LDAP_DEBUG_ANY,
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"monitor_subsys_conn_init: "
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"unable to add entry 'cn=Total,%s'\n%s%s",
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monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val,
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"", "" );
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#endif
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return( -1 );
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}
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e_tmp = e;
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/*
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* Current conns
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*/
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snprintf( buf, sizeof( buf ),
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"dn: cn=Current,%s\n"
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SLAPD_MONITOR_OBJECTCLASSES
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"cn: Current\n",
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monitor_subsys[SLAPD_MONITOR_CONN].mss_dn.bv_val );
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e = str2entry( buf );
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if ( e == NULL ) {
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#ifdef NEW_LOGGING
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LDAP_LOG( OPERATION, CRIT,
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"monitor_subsys_conn_init: "
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"unable to create entry 'cn=Current,%s'\n",
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monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val, 0, 0 );
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#else
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Debug( LDAP_DEBUG_ANY,
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"monitor_subsys_conn_init: "
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"unable to create entry 'cn=Current,%s'\n%s%s",
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monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val,
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"", "" );
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#endif
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return( -1 );
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}
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bv[1].bv_val = NULL;
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bv[0].bv_val = "0";
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bv[0].bv_len = 1;
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attr_merge( e, monitor_ad_desc, bv );
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mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
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e->e_private = ( void * )mp;
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mp->mp_next = e_tmp;
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mp->mp_children = NULL;
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mp->mp_info = &monitor_subsys[SLAPD_MONITOR_CONN];
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mp->mp_flags = monitor_subsys[SLAPD_MONITOR_CONN].mss_flags \
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| MONITOR_F_SUB | MONITOR_F_PERSISTENT;
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mp->mp_flags &= ~MONITOR_F_VOLATILE_CH;
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if ( monitor_cache_add( mi, e ) ) {
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#ifdef NEW_LOGGING
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LDAP_LOG( OPERATION, CRIT,
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"monitor_subsys_conn_init: "
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"unable to add entry 'cn=Current,%s'\n",
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monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val, 0, 0 );
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#else
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Debug( LDAP_DEBUG_ANY,
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"monitor_subsys_conn_init: "
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"unable to add entry 'cn=Current,%s'\n%s%s",
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monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val,
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"", "" );
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#endif
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return( -1 );
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}
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e_tmp = e;
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mp = ( struct monitorentrypriv * )e_conn->e_private;
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mp->mp_children = e_tmp;
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monitor_cache_release( mi, e_conn );
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return( 0 );
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}
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int
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monitor_subsys_conn_update(
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struct monitorinfo *mi,
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Entry *e
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)
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{
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long n = -1;
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assert( mi );
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assert( e );
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if ( strncasecmp( e->e_ndn, "cn=total",
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sizeof("cn=total")-1 ) == 0 ) {
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n = connections_nextid();
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} else if ( strncasecmp( e->e_ndn, "cn=current",
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sizeof("cn=current")-1 ) == 0 ) {
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Connection *c;
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int connindex;
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for ( n = 0, c = connection_first( &connindex );
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c != NULL;
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n++, c = connection_next( c, &connindex ) ) {
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/* No Op */ ;
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}
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connection_done(c);
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}
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if ( n != -1 ) {
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Attribute *a;
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char buf[16];
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a = attr_find( e->e_attrs, monitor_ad_desc );
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if ( a == NULL ) {
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return( -1 );
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}
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snprintf( buf, sizeof( buf ), "%ld", n );
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free( a->a_vals[ 0 ].bv_val );
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ber_str2bv( buf, 0, 1, a->a_vals );
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}
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return( 0 );
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}
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static int
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conn_create(
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Connection *c,
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Entry **ep
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)
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{
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struct monitorentrypriv *mp;
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struct tm *ltm;
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char buf[ 1024 ];
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char buf2[ LDAP_LUTIL_GENTIME_BUFSIZE ];
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char buf3[ LDAP_LUTIL_GENTIME_BUFSIZE ];
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struct berval bv[2];
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Entry *e;
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assert( c != NULL );
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assert( ep != NULL );
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snprintf( buf, sizeof( buf ),
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"dn: cn=" CONN_CN_PREFIX " %ld,%s\n"
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SLAPD_MONITOR_OBJECTCLASSES
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"cn: " CONN_CN_PREFIX " %ld\n",
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c->c_connid, monitor_subsys[SLAPD_MONITOR_CONN].mss_dn.bv_val,
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c->c_connid );
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e = str2entry( buf );
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if ( e == NULL) {
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#ifdef NEW_LOGGING
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LDAP_LOG( OPERATION, CRIT,
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"monitor_subsys_conn_create: "
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"unable to create entry "
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"'cn=" CONN_CN_PREFIX " %ld,%s' entry\n",
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c->c_connid, monitor_subsys[SLAPD_MONITOR_CONN].mss_dn.bv_val, 0 );
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#else
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Debug( LDAP_DEBUG_ANY,
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"monitor_subsys_conn_create: "
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"unable to create entry "
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"'cn=" CONN_CN_PREFIX " %ld,%s' entry\n",
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c->c_connid,
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monitor_subsys[SLAPD_MONITOR_CONN].mss_dn.bv_val, 0 );
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#endif
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return( -1 );
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}
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ldap_pvt_thread_mutex_lock( &gmtime_mutex );
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ltm = gmtime( &c->c_starttime );
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lutil_gentime( buf2, sizeof( buf2 ), ltm );
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ltm = gmtime( &c->c_activitytime );
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lutil_gentime( buf3, sizeof( buf3 ), ltm );
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ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
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sprintf( buf,
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"%ld : %ld "
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": %ld/%ld/%ld/%ld "
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": %ld/%ld/%ld "
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": %s%s%s%s%s%s "
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": %s : %s : %s "
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": %s : %s : %s : %s",
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c->c_connid,
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(long) c->c_protocol,
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c->c_n_ops_received, c->c_n_ops_executing,
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c->c_n_ops_pending, c->c_n_ops_completed,
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/* add low-level counters here */
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c->c_n_get, c->c_n_read, c->c_n_write,
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c->c_currentber ? "r" : "",
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c->c_writewaiter ? "w" : "",
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LDAP_STAILQ_EMPTY( &c->c_ops ) ? "" : "x",
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LDAP_STAILQ_EMPTY( &c->c_pending_ops ) ? "" : "p",
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connection_state2str( c->c_conn_state ),
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c->c_sasl_bind_in_progress ? "S" : "",
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c->c_dn.bv_len ? c->c_dn.bv_val : SLAPD_ANONYMOUS,
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c->c_listener_url.bv_val,
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c->c_peer_domain.bv_val,
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c->c_peer_name.bv_val,
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c->c_sock_name.bv_val,
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buf2,
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buf3
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);
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bv[1].bv_val = NULL;
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bv[0].bv_val = buf;
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bv[0].bv_len = strlen( buf );
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attr_merge( e, monitor_ad_desc, bv );
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mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
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e->e_private = ( void * )mp;
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mp->mp_info = &monitor_subsys[ SLAPD_MONITOR_CONN ];
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mp->mp_children = NULL;
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mp->mp_flags = MONITOR_F_SUB | MONITOR_F_VOLATILE;
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*ep = e;
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return( 0 );
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}
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int
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monitor_subsys_conn_create(
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struct monitorinfo *mi,
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struct berval *ndn,
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Entry *e_parent,
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Entry **ep
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)
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{
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Connection *c;
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int connindex;
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struct monitorentrypriv *mp;
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assert( mi != NULL );
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assert( e_parent != NULL );
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assert( ep != NULL );
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*ep = NULL;
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if ( ndn == NULL ) {
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Entry *e, *e_tmp = NULL;
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/* create all the children of e_parent */
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for ( c = connection_first( &connindex );
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c != NULL;
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c = connection_next( c, &connindex )) {
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if ( conn_create( c, &e ) || e == NULL ) {
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connection_done(c);
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for ( ; e_tmp != NULL; ) {
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mp = ( struct monitorentrypriv * )e_tmp->e_private;
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e = mp->mp_next;
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ch_free( mp );
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e_tmp->e_private = NULL;
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entry_free( e_tmp );
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e_tmp = e;
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}
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return( -1 );
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}
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mp = ( struct monitorentrypriv * )e->e_private;
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mp->mp_next = e_tmp;
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e_tmp = e;
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}
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connection_done(c);
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*ep = e;
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} else {
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LDAPRDN *values = NULL;
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const char *text = NULL;
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unsigned long connid;
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/* create exactly the required entry */
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if ( ldap_bv2rdn( ndn, &values, (char **)&text,
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LDAP_DN_FORMAT_LDAP ) )
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{
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return( -1 );
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}
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assert( values );
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assert( values[ 0 ][ 0 ] );
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connid = atol( values[ 0 ][ 0 ]->la_value.bv_val
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+ sizeof( CONN_CN_PREFIX ) );
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ldap_rdnfree( values );
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for ( c = connection_first( &connindex );
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c != NULL;
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c = connection_next( c, &connindex )) {
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if ( c->c_connid == connid ) {
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if ( conn_create( c, ep ) || *ep == NULL ) {
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connection_done(c);
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return( -1 );
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}
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break;
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}
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}
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connection_done(c);
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}
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return( 0 );
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}
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