/* conn.c - deal with connection subsystem */
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software .
*
* Copyright 2001-2005 The OpenLDAP Foundation.
* Portions Copyright 2001-2003 Pierangelo Masarati.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* .
*/
/* ACKNOWLEDGEMENTS:
* This work was initially developed by Pierangelo Masarati for inclusion
* in OpenLDAP Software.
*/
#include "portable.h"
#include
#include
#include "slap.h"
#include "lutil.h"
#include "back-monitor.h"
#ifndef LDAP_DEVEL
#define MONITOR_LEGACY_CONN
#endif
int
monitor_subsys_conn_init(
BackendDB *be,
monitor_subsys_t *ms )
{
monitor_info_t *mi;
Entry *e, **ep, *e_conn;
monitor_entry_t *mp;
char buf[ BACKMONITOR_BUFSIZE ];
struct berval bv;
assert( be != NULL );
mi = ( monitor_info_t * )be->be_private;
if ( monitor_cache_get( mi, &ms->mss_ndn, &e_conn ) ) {
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_conn_init: "
"unable to get entry \"%s\"\n",
ms->mss_ndn.bv_val, 0, 0 );
return( -1 );
}
mp = ( monitor_entry_t * )e_conn->e_private;
mp->mp_children = NULL;
ep = &mp->mp_children;
/*
* Total conns
*/
snprintf( buf, sizeof( buf ),
"dn: cn=Total,%s\n"
"objectClass: %s\n"
"structuralObjectClass: %s\n"
"cn: Total\n"
"creatorsName: %s\n"
"modifiersName: %s\n"
"createTimestamp: %s\n"
"modifyTimestamp: %s\n",
ms->mss_dn.bv_val,
mi->mi_oc_monitorCounterObject->soc_cname.bv_val,
mi->mi_oc_monitorCounterObject->soc_cname.bv_val,
mi->mi_creatorsName.bv_val,
mi->mi_creatorsName.bv_val,
mi->mi_startTime.bv_val,
mi->mi_startTime.bv_val );
e = str2entry( buf );
if ( e == NULL ) {
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_conn_init: "
"unable to create entry \"cn=Total,%s\"\n",
ms->mss_ndn.bv_val, 0, 0 );
return( -1 );
}
BER_BVSTR( &bv, "0" );
attr_merge_one( e, mi->mi_ad_monitorCounter, &bv, &bv );
mp = monitor_entrypriv_create();
if ( mp == NULL ) {
return -1;
}
e->e_private = ( void * )mp;
mp->mp_info = ms;
mp->mp_flags = ms->mss_flags \
| MONITOR_F_SUB | MONITOR_F_PERSISTENT;
mp->mp_flags &= ~MONITOR_F_VOLATILE_CH;
if ( monitor_cache_add( mi, e ) ) {
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_conn_init: "
"unable to add entry \"cn=Total,%s\"\n",
ms->mss_ndn.bv_val, 0, 0 );
return( -1 );
}
*ep = e;
ep = &mp->mp_next;
/*
* Current conns
*/
snprintf( buf, sizeof( buf ),
"dn: cn=Current,%s\n"
"objectClass: %s\n"
"structuralObjectClass: %s\n"
"cn: Current\n"
"creatorsName: %s\n"
"modifiersName: %s\n"
"createTimestamp: %s\n"
"modifyTimestamp: %s\n",
ms->mss_dn.bv_val,
mi->mi_oc_monitorCounterObject->soc_cname.bv_val,
mi->mi_oc_monitorCounterObject->soc_cname.bv_val,
mi->mi_creatorsName.bv_val,
mi->mi_creatorsName.bv_val,
mi->mi_startTime.bv_val,
mi->mi_startTime.bv_val );
e = str2entry( buf );
if ( e == NULL ) {
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_conn_init: "
"unable to create entry \"cn=Current,%s\"\n",
ms->mss_ndn.bv_val, 0, 0 );
return( -1 );
}
BER_BVSTR( &bv, "0" );
attr_merge_one( e, mi->mi_ad_monitorCounter, &bv, &bv );
mp = monitor_entrypriv_create();
if ( mp == NULL ) {
return -1;
}
e->e_private = ( void * )mp;
mp->mp_info = ms;
mp->mp_flags = ms->mss_flags \
| MONITOR_F_SUB | MONITOR_F_PERSISTENT;
mp->mp_flags &= ~MONITOR_F_VOLATILE_CH;
if ( monitor_cache_add( mi, e ) ) {
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_conn_init: "
"unable to add entry \"cn=Current,%s\"\n",
ms->mss_ndn.bv_val, 0, 0 );
return( -1 );
}
*ep = e;
ep = &mp->mp_next;
monitor_cache_release( mi, e_conn );
return( 0 );
}
int
monitor_subsys_conn_update(
Operation *op,
SlapReply *rs,
Entry *e )
{
monitor_info_t *mi = ( monitor_info_t * )op->o_bd->be_private;
long n = -1;
static struct berval total_bv = BER_BVC( "cn=total" ),
current_bv = BER_BVC( "cn=current" );
struct berval rdn;
assert( mi != NULL );
assert( e != NULL );
dnRdn( &e->e_nname, &rdn );
if ( dn_match( &rdn, &total_bv ) ) {
n = connections_nextid();
} else if ( dn_match( &rdn, ¤t_bv ) ) {
Connection *c;
int connindex;
for ( n = 0, c = connection_first( &connindex );
c != NULL;
n++, c = connection_next( c, &connindex ) ) {
/* No Op */ ;
}
connection_done( c );
}
if ( n != -1 ) {
Attribute *a;
char buf[] = "+9223372036854775807L";
ber_len_t len;
a = attr_find( e->e_attrs, mi->mi_ad_monitorCounter );
if ( a == NULL ) {
return( -1 );
}
snprintf( buf, sizeof( buf ), "%ld", n );
len = strlen( buf );
if ( len > a->a_vals[ 0 ].bv_len ) {
a->a_vals[ 0 ].bv_val = ber_memrealloc( a->a_vals[ 0 ].bv_val, len + 1 );
}
a->a_vals[ 0 ].bv_len = len;
AC_MEMCPY( a->a_vals[ 0 ].bv_val, buf, len + 1 );
/* FIXME: touch modifyTimestamp? */
}
return SLAP_CB_CONTINUE;
}
static int
conn_create(
monitor_info_t *mi,
Connection *c,
Entry **ep,
monitor_subsys_t *ms )
{
monitor_entry_t *mp;
struct tm *ltm;
char buf[ BACKMONITOR_BUFSIZE ];
char buf2[ LDAP_LUTIL_GENTIME_BUFSIZE ];
char buf3[ LDAP_LUTIL_GENTIME_BUFSIZE ];
Entry *e;
struct tm *ctm;
char ctmbuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
struct tm *mtm;
char mtmbuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
#ifdef HAVE_GMTIME_R
struct tm tm_buf;
#endif /* HAVE_GMTIME_R */
assert( c != NULL );
assert( ep != NULL );
#ifndef HAVE_GMTIME_R
ldap_pvt_thread_mutex_lock( &gmtime_mutex );
#endif
#ifdef HACK_LOCAL_TIME
# ifdef HAVE_LOCALTIME_R
ctm = localtime_r( &c->c_starttime, &tm_buf );
lutil_localtime( ctmbuf, sizeof( ctmbuf ), ctm, -timezone );
mtm = localtime_r( &c->c_activitytime, &tm_buf );
lutil_localtime( mtmbuf, sizeof( mtmbuf ), mtm, -timezone );
# else
ctm = localtime( &c->c_starttime );
lutil_localtime( ctmbuf, sizeof( ctmbuf ), ctm, -timezone );
mtm = localtime( &c->c_activitytime );
lutil_localtime( mtmbuf, sizeof( mtmbuf ), mtm, -timezone );
# endif /* HAVE_LOCALTIME_R */
#else /* !HACK_LOCAL_TIME */
# ifdef HAVE_GMTIME_R
ctm = gmtime_r( &c->c_starttime, &tm_buf );
lutil_gentime( ctmbuf, sizeof( ctmbuf ), ctm );
mtm = gmtime_r( &c->c_activitytime, &tm_buf );
lutil_gentime( mtmbuf, sizeof( mtmbuf ), mtm );
# else
ctm = gmtime( &c->c_starttime );
lutil_gentime( ctmbuf, sizeof( ctmbuf ), ctm );
mtm = gmtime( &c->c_activitytime );
lutil_gentime( mtmbuf, sizeof( mtmbuf ), mtm );
# endif /* HAVE_GMTIME_R */
#endif /* !HACK_LOCAL_TIME */
#ifndef HAVE_GMTIME_R
ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
#endif
#ifndef HAVE_GMTIME_R
ldap_pvt_thread_mutex_lock( &gmtime_mutex );
#endif
#ifdef HAVE_GMTIME_R
ltm = gmtime_r( &c->c_starttime, &tm_buf );
#else
ltm = gmtime( &c->c_starttime );
#endif
lutil_gentime( buf2, sizeof( buf2 ), ltm );
#ifdef HAVE_GMTIME_R
ltm = gmtime_r( &c->c_activitytime, &tm_buf );
#else
ltm = gmtime( &c->c_activitytime );
#endif
lutil_gentime( buf3, sizeof( buf3 ), ltm );
#ifndef HAVE_GMTIME_R
ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
#endif /* HAVE_GMTIME_R */
snprintf( buf, sizeof( buf ),
"dn: cn=Connection %ld,%s\n"
"objectClass: %s\n"
"structuralObjectClass: %s\n"
"cn: Connection %ld\n"
#ifdef MONITOR_LEGACY_CONN
/* NOTE: this will disappear, as the exploded data
* has been moved to dedicated attributes */
"%s: "
"%ld "
": %ld "
": %ld/%ld/%ld/%ld "
": %ld/%ld/%ld "
": %s%s%s%s%s%s "
": %s "
": %s "
": %s "
": %s "
": %s "
": %s "
": %s\n"
#endif /* MONITOR_LEGACY_CONN */
"%s: %lu\n"
"%s: %ld\n"
"%s: %ld\n"
"%s: %ld\n"
"%s: %ld\n"
"%s: %ld\n"
"%s: %ld\n"
"%s: %ld\n"
"%s: %ld\n"
"%s: %s%s%s%s%s%s\n"
"%s: %s\n"
"%s: %s\n"
"%s: %s\n"
"%s: %s\n"
"%s: %s\n"
"%s: %s\n"
"%s: %s\n"
"creatorsName: %s\n"
"modifiersName: %s\n"
"createTimestamp: %s\n"
"modifyTimestamp: %s\n",
c->c_connid, ms->mss_dn.bv_val,
mi->mi_oc_monitorConnection->soc_cname.bv_val,
mi->mi_oc_monitorConnection->soc_cname.bv_val,
c->c_connid,
#ifdef MONITOR_LEGACY_CONN
mi->mi_ad_monitoredInfo->ad_cname.bv_val,
c->c_connid,
(long) c->c_protocol,
c->c_n_ops_received, c->c_n_ops_executing,
c->c_n_ops_pending, c->c_n_ops_completed,
/* add low-level counters here */
c->c_n_get, c->c_n_read, c->c_n_write,
c->c_currentber ? "r" : "",
c->c_writewaiter ? "w" : "",
LDAP_STAILQ_EMPTY( &c->c_ops ) ? "" : "x",
LDAP_STAILQ_EMPTY( &c->c_pending_ops ) ? "" : "p",
connection_state2str( c->c_conn_state ),
c->c_sasl_bind_in_progress ? "S" : "",
c->c_dn.bv_len ? c->c_dn.bv_val : SLAPD_ANONYMOUS,
c->c_listener_url.bv_val,
c->c_peer_domain.bv_val,
c->c_peer_name.bv_val,
c->c_sock_name.bv_val,
buf2,
buf3,
#endif /* MONITOR_LEGACY_CONN */
mi->mi_ad_monitorConnectionNumber->ad_cname.bv_val,
c->c_connid,
mi->mi_ad_monitorConnectionProtocol->ad_cname.bv_val,
(long)c->c_protocol,
mi->mi_ad_monitorConnectionOpsReceived->ad_cname.bv_val,
c->c_n_ops_received,
mi->mi_ad_monitorConnectionOpsExecuting->ad_cname.bv_val,
c->c_n_ops_executing,
mi->mi_ad_monitorConnectionOpsPending->ad_cname.bv_val,
c->c_n_ops_pending,
mi->mi_ad_monitorConnectionOpsCompleted->ad_cname.bv_val,
c->c_n_ops_completed,
mi->mi_ad_monitorConnectionGet->ad_cname.bv_val,
c->c_n_get,
mi->mi_ad_monitorConnectionRead->ad_cname.bv_val,
c->c_n_read,
mi->mi_ad_monitorConnectionWrite->ad_cname.bv_val,
c->c_n_write,
mi->mi_ad_monitorConnectionMask->ad_cname.bv_val,
c->c_currentber ? "r" : "",
c->c_writewaiter ? "w" : "",
LDAP_STAILQ_EMPTY( &c->c_ops ) ? "" : "x",
LDAP_STAILQ_EMPTY( &c->c_pending_ops ) ? "" : "p",
connection_state2str( c->c_conn_state ),
c->c_sasl_bind_in_progress ? "S" : "",
mi->mi_ad_monitorConnectionAuthzDN->ad_cname.bv_val,
c->c_dn.bv_len ? c->c_dn.bv_val : SLAPD_ANONYMOUS,
/* NOTE: client connections leave the c_peer_* fields NULL */
mi->mi_ad_monitorConnectionListener->ad_cname.bv_val,
c->c_listener_url.bv_val,
mi->mi_ad_monitorConnectionPeerDomain->ad_cname.bv_val,
BER_BVISNULL( &c->c_peer_domain ) ? "unknown" : c->c_peer_domain.bv_val,
mi->mi_ad_monitorConnectionLocalAddress->ad_cname.bv_val,
BER_BVISNULL( &c->c_peer_name ) ? "unknown" : c->c_peer_name.bv_val,
mi->mi_ad_monitorConnectionPeerAddress->ad_cname.bv_val,
c->c_sock_name.bv_val,
mi->mi_ad_monitorConnectionStartTime->ad_cname.bv_val,
buf2,
mi->mi_ad_monitorConnectionActivityTime->ad_cname.bv_val,
buf3,
mi->mi_creatorsName.bv_val,
mi->mi_creatorsName.bv_val,
ctmbuf,
mtmbuf );
e = str2entry( buf );
if ( e == NULL) {
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_conn_create: "
"unable to create entry "
"\"cn=Connection %ld,%s\" entry\n",
c->c_connid,
ms->mss_dn.bv_val, 0 );
return( -1 );
}
mp = monitor_entrypriv_create();
if ( mp == NULL ) {
return LDAP_OTHER;
}
e->e_private = ( void * )mp;
mp->mp_info = ms;
mp->mp_flags = MONITOR_F_SUB | MONITOR_F_VOLATILE;
*ep = e;
return SLAP_CB_CONTINUE;
}
int
monitor_subsys_conn_create(
Operation *op,
SlapReply *rs,
struct berval *ndn,
Entry *e_parent,
Entry **ep )
{
monitor_info_t *mi = ( monitor_info_t * )op->o_bd->be_private;
Connection *c;
int connindex;
monitor_entry_t *mp;
int rc = SLAP_CB_CONTINUE;
monitor_subsys_t *ms;
assert( mi != NULL );
assert( e_parent != NULL );
assert( ep != NULL );
ms = (( monitor_entry_t *)e_parent->e_private)->mp_info;
*ep = NULL;
if ( ndn == NULL ) {
Entry *e = NULL,
*e_tmp = NULL;
/* create all the children of e_parent */
for ( c = connection_first( &connindex );
c != NULL;
c = connection_next( c, &connindex ) )
{
if ( conn_create( mi, c, &e, ms ) != SLAP_CB_CONTINUE
|| e == NULL )
{
for ( ; e_tmp != NULL; ) {
mp = ( monitor_entry_t * )e_tmp->e_private;
e = mp->mp_next;
ch_free( mp );
e_tmp->e_private = NULL;
entry_free( e_tmp );
e_tmp = e;
}
rc = rs->sr_err = LDAP_OTHER;
break;
}
mp = ( monitor_entry_t * )e->e_private;
mp->mp_next = e_tmp;
e_tmp = e;
}
connection_done( c );
*ep = e;
} else {
unsigned long connid;
char *next = NULL;
static struct berval nconn_bv = BER_BVC( "cn=connection " );
/* create exactly the required entry;
* the normalized DN must start with "cn=connection ",
* followed by the connection id, followed by
* the RDN separator "," */
if ( ndn->bv_len <= nconn_bv.bv_len
|| strncmp( ndn->bv_val, nconn_bv.bv_val, nconn_bv.bv_len ) != 0 )
{
return -1;
}
connid = strtol( &ndn->bv_val[ nconn_bv.bv_len ], &next, 10 );
if ( next[ 0 ] != ',' ) {
return ( rs->sr_err = LDAP_OTHER );
}
for ( c = connection_first( &connindex );
c != NULL;
c = connection_next( c, &connindex ) )
{
if ( c->c_connid == connid ) {
rc = conn_create( mi, c, ep, ms );
if ( rc != SLAP_CB_CONTINUE ) {
rs->sr_err = rc;
} else if ( *ep == NULL ) {
rc = rs->sr_err = LDAP_OTHER;
}
break;
}
}
connection_done( c );
}
return rc;
}