openldap/servers/slapd/back-monitor/conn.c
2002-08-06 03:08:12 +00:00

440 lines
10 KiB
C

/* conn.c - deal with connection subsystem */
/*
* Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
/*
* Copyright 2001, Pierangelo Masarati, All rights reserved. <ando@sys-net.it>
*
* This work has beed deveolped for the OpenLDAP Foundation
* in the hope that it may be useful to the Open Source community,
* but WITHOUT ANY WARRANTY.
*
* Permission is granted to anyone to use this software for any purpose
* on any computer system, and to alter it and redistribute it, subject
* to the following restrictions:
*
* 1. The author and SysNet s.n.c. are not responsible for the consequences
* of use of this software, no matter how awful, even if they arise from
* flaws in it.
*
* 2. The origin of this software must not be misrepresented, either by
* explicit claim or by omission. Since few users ever read sources,
* credits should appear in the documentation.
*
* 3. Altered versions must be plainly marked as such, and must not be
* misrepresented as being the original software. Since few users
* ever read sources, credits should appear in the documentation.
* SysNet s.n.c. cannot be responsible for the consequences of the
* alterations.
*
* 4. This notice may not be removed or altered.
*/
#include "portable.h"
#include <stdio.h>
#include "lutil.h"
#include "slap.h"
#include "back-monitor.h"
#define CONN_CN_PREFIX "Connection"
int
monitor_subsys_conn_init(
BackendDB *be
)
{
struct monitorinfo *mi;
Entry *e, *e_tmp, *e_conn;
struct monitorentrypriv *mp;
char buf[1024];
struct berval bv[2];
assert( be != NULL );
mi = ( struct monitorinfo * )be->be_private;
if ( monitor_cache_get( mi,
&monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn, &e_conn ) ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, CRIT,
"monitor_subsys_conn_init: "
"unable to get entry '%s'\n",
monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_conn_init: "
"unable to get entry '%s'\n%s%s",
monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val,
"", "" );
#endif
return( -1 );
}
e_tmp = NULL;
/*
* Total conns
*/
snprintf( buf, sizeof( buf ),
"dn: cn=Total,%s\n"
SLAPD_MONITOR_OBJECTCLASSES
"cn: Total\n",
monitor_subsys[SLAPD_MONITOR_CONN].mss_dn.bv_val );
e = str2entry( buf );
if ( e == NULL ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, CRIT,
"monitor_subsys_conn_init: "
"unable to create entry 'cn=Total,%s'\n",
monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_conn_init: "
"unable to create entry 'cn=Total,%s'\n%s%s",
monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val,
"", "" );
#endif
return( -1 );
}
bv[1].bv_val = NULL;
bv[0].bv_val = "0";
bv[0].bv_len = 1;
attr_merge( e, monitor_ad_desc, bv );
mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
e->e_private = ( void * )mp;
mp->mp_next = e_tmp;
mp->mp_children = NULL;
mp->mp_info = &monitor_subsys[SLAPD_MONITOR_CONN];
mp->mp_flags = monitor_subsys[SLAPD_MONITOR_CONN].mss_flags \
| MONITOR_F_SUB | MONITOR_F_PERSISTENT;
mp->mp_flags &= ~MONITOR_F_VOLATILE_CH;
if ( monitor_cache_add( mi, e ) ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, CRIT,
"monitor_subsys_conn_init: "
"unable to add entry 'cn=Total,%s'\n",
monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_conn_init: "
"unable to add entry 'cn=Total,%s'\n%s%s",
monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val,
"", "" );
#endif
return( -1 );
}
e_tmp = e;
/*
* Current conns
*/
snprintf( buf, sizeof( buf ),
"dn: cn=Current,%s\n"
SLAPD_MONITOR_OBJECTCLASSES
"cn: Current\n",
monitor_subsys[SLAPD_MONITOR_CONN].mss_dn.bv_val );
e = str2entry( buf );
if ( e == NULL ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, CRIT,
"monitor_subsys_conn_init: "
"unable to create entry 'cn=Current,%s'\n",
monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_conn_init: "
"unable to create entry 'cn=Current,%s'\n%s%s",
monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val,
"", "" );
#endif
return( -1 );
}
bv[1].bv_val = NULL;
bv[0].bv_val = "0";
bv[0].bv_len = 1;
attr_merge( e, monitor_ad_desc, bv );
mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
e->e_private = ( void * )mp;
mp->mp_next = e_tmp;
mp->mp_children = NULL;
mp->mp_info = &monitor_subsys[SLAPD_MONITOR_CONN];
mp->mp_flags = monitor_subsys[SLAPD_MONITOR_CONN].mss_flags \
| MONITOR_F_SUB | MONITOR_F_PERSISTENT;
mp->mp_flags &= ~MONITOR_F_VOLATILE_CH;
if ( monitor_cache_add( mi, e ) ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, CRIT,
"monitor_subsys_conn_init: "
"unable to add entry 'cn=Current,%s'\n",
monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_conn_init: "
"unable to add entry 'cn=Current,%s'\n%s%s",
monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val,
"", "" );
#endif
return( -1 );
}
e_tmp = e;
mp = ( struct monitorentrypriv * )e_conn->e_private;
mp->mp_children = e_tmp;
monitor_cache_release( mi, e_conn );
return( 0 );
}
int
monitor_subsys_conn_update(
struct monitorinfo *mi,
Entry *e
)
{
long n = -1;
assert( mi );
assert( e );
if ( strncasecmp( e->e_ndn, "cn=total",
sizeof("cn=total")-1 ) == 0 ) {
n = connections_nextid();
} else if ( strncasecmp( e->e_ndn, "cn=current",
sizeof("cn=current")-1 ) == 0 ) {
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[16];
a = attr_find( e->e_attrs, monitor_ad_desc );
if ( a == NULL ) {
return( -1 );
}
snprintf( buf, sizeof( buf ), "%ld", n );
free( a->a_vals[ 0 ].bv_val );
ber_str2bv( buf, 0, 1, a->a_vals );
}
return( 0 );
}
static int
conn_create(
Connection *c,
Entry **ep
)
{
struct monitorentrypriv *mp;
struct tm *ltm;
char buf[1024];
char buf2[22];
char buf3[22];
struct berval bv[2];
Entry *e;
assert( c != NULL );
assert( ep != NULL );
snprintf( buf, sizeof( buf ),
"dn: cn=" CONN_CN_PREFIX " %ld,%s\n"
SLAPD_MONITOR_OBJECTCLASSES
"cn: " CONN_CN_PREFIX " %ld\n",
c->c_connid, monitor_subsys[SLAPD_MONITOR_CONN].mss_dn.bv_val,
c->c_connid );
e = str2entry( buf );
if ( e == NULL) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, CRIT,
"monitor_subsys_conn_create: "
"unable to create entry "
"'cn=" CONN_CN_PREFIX " %ld,%s' entry\n",
c->c_connid, monitor_subsys[SLAPD_MONITOR_CONN].mss_dn.bv_val, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_conn_create: "
"unable to create entry "
"'cn=" CONN_CN_PREFIX " %ld,%s' entry\n",
c->c_connid,
monitor_subsys[SLAPD_MONITOR_CONN].mss_dn.bv_val, 0 );
#endif
return( -1 );
}
ldap_pvt_thread_mutex_lock( &gmtime_mutex );
ltm = gmtime( &c->c_starttime );
lutil_gentime( buf2, sizeof(buf2), ltm );
ltm = gmtime( &c->c_activitytime );
lutil_gentime( buf3, sizeof(buf2), ltm );
ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
sprintf( buf,
"%ld : %ld "
": %ld/%ld/%ld/%ld "
": %ld/%ld/%ld "
": %s%s%s%s%s%s "
": %s : %s : %s "
": %s : %s : %s : %s",
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
);
bv[1].bv_val = NULL;
bv[0].bv_val = buf;
bv[0].bv_len = strlen( buf );
attr_merge( e, monitor_ad_desc, bv );
mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
e->e_private = ( void * )mp;
mp->mp_info = &monitor_subsys[ SLAPD_MONITOR_CONN ];
mp->mp_children = NULL;
mp->mp_flags = MONITOR_F_SUB | MONITOR_F_VOLATILE;
*ep = e;
return( 0 );
}
int
monitor_subsys_conn_create(
struct monitorinfo *mi,
struct berval *ndn,
Entry *e_parent,
Entry **ep
)
{
Connection *c;
int connindex;
struct monitorentrypriv *mp;
assert( mi != NULL );
assert( e_parent != NULL );
assert( ep != NULL );
*ep = NULL;
if ( ndn == NULL ) {
Entry *e, *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( c, &e ) || e == NULL ) {
connection_done(c);
for ( ; e_tmp != NULL; ) {
mp = ( struct monitorentrypriv * )e_tmp->e_private;
e = mp->mp_next;
ch_free( mp );
e_tmp->e_private = NULL;
entry_free( e_tmp );
e_tmp = e;
}
return( -1 );
}
mp = ( struct monitorentrypriv * )e->e_private;
mp->mp_next = e_tmp;
e_tmp = e;
}
connection_done(c);
*ep = e;
} else {
LDAPRDN *values = NULL;
const char *text = NULL;
unsigned long connid;
/* create exactly the required entry */
if ( ldap_bv2rdn( ndn, &values, (char **)&text,
LDAP_DN_FORMAT_LDAP ) )
{
return( -1 );
}
assert( values );
assert( values[ 0 ][ 0 ] );
connid = atol( values[ 0 ][ 0 ]->la_value.bv_val
+ sizeof( CONN_CN_PREFIX ) );
ldap_rdnfree( values );
for ( c = connection_first( &connindex );
c != NULL;
c = connection_next( c, &connindex )) {
if ( c->c_connid == connid ) {
if ( conn_create( c, ep ) || *ep == NULL ) {
connection_done(c);
return( -1 );
}
break;
}
}
connection_done(c);
}
return( 0 );
}