/* readw.c - deal with read waiters subsystem */
/*
- * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
/*
- * Copyright 2001 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
#include "portable.h"
#include <stdio.h>
+#include <ac/string.h>
#include "slap.h"
+#include "lutil.h"
#include "back-monitor.h"
-static int monitor_subsys_readw_update_internal( struct monitorinfo *mi, Entry *e, int rw );
-
-int
-monitor_subsys_readw_update(
- struct monitorinfo *mi,
- Entry *e
+int
+monitor_subsys_rww_init(
+ BackendDB *be
)
{
- return monitor_subsys_readw_update_internal( mi, e, 0 );
-}
+ struct monitorinfo *mi;
+
+ Entry *e, *e_tmp, *e_conn;
+ struct monitorentrypriv *mp;
+ char buf[ BACKMONITOR_BUFSIZE ];
+ struct berval bv;
-int
-monitor_subsys_writew_update(
- struct monitorinfo *mi,
- Entry *e
-)
-{
- return monitor_subsys_readw_update_internal( mi, e, 1 );
+ assert( be != NULL );
+
+ mi = ( struct monitorinfo * )be->be_private;
+
+ if ( monitor_cache_get( mi,
+ &monitor_subsys[SLAPD_MONITOR_RWW].mss_ndn, &e_conn ) ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, CRIT,
+ "monitor_subsys_rww_init: "
+ "unable to get entry '%s'\n",
+ monitor_subsys[SLAPD_MONITOR_RWW].mss_ndn.bv_val, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "monitor_subsys_rww_init: "
+ "unable to get entry '%s'\n%s%s",
+ monitor_subsys[SLAPD_MONITOR_RWW].mss_ndn.bv_val,
+ "", "" );
+#endif
+ return( -1 );
+ }
+
+ e_tmp = NULL;
+
+ /*
+ * Total conns
+ */
+ snprintf( buf, sizeof( buf ),
+ "dn: cn=Read,%s\n"
+ "objectClass: %s\n"
+ "structuralObjectClass: %s\n"
+ "cn: Read\n",
+ monitor_subsys[SLAPD_MONITOR_RWW].mss_dn.bv_val,
+ mi->oc_monitorCounterObject->soc_cname.bv_val,
+ mi->oc_monitorCounterObject->soc_cname.bv_val );
+
+ e = str2entry( buf );
+ if ( e == NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, CRIT,
+ "monitor_subsys_rww_init: "
+ "unable to create entry 'cn=Read,%s'\n",
+ monitor_subsys[SLAPD_MONITOR_RWW].mss_ndn.bv_val, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "monitor_subsys_rww_init: "
+ "unable to create entry 'cn=Read,%s'\n",
+ monitor_subsys[SLAPD_MONITOR_RWW].mss_ndn.bv_val, 0, 0 );
+#endif
+ return( -1 );
+ }
+
+ bv.bv_val = "0";
+ bv.bv_len = 1;
+ attr_merge_one( e, mi->ad_monitorCounter, &bv, NULL );
+
+ 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_RWW];
+ mp->mp_flags = monitor_subsys[SLAPD_MONITOR_RWW].mss_flags \
+ | MONITOR_F_SUB | MONITOR_F_PERSISTENT;
+
+ if ( monitor_cache_add( mi, e ) ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, CRIT,
+ "monitor_subsys_rww_init: "
+ "unable to add entry 'cn=Read,%s'\n",
+ monitor_subsys[SLAPD_MONITOR_RWW].mss_ndn.bv_val, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "monitor_subsys_rww_init: "
+ "unable to add entry 'cn=Read,%s'\n",
+ monitor_subsys[SLAPD_MONITOR_RWW].mss_ndn.bv_val, 0, 0 );
+#endif
+ return( -1 );
+ }
+
+ e_tmp = e;
+
+ /*
+ * Current conns
+ */
+ snprintf( buf, sizeof( buf ),
+ "dn: cn=Write,%s\n"
+ "objectClass: %s\n"
+ "structuralObjectClass: %s\n"
+ "cn: Write\n",
+ monitor_subsys[SLAPD_MONITOR_RWW].mss_dn.bv_val,
+ mi->oc_monitorCounterObject->soc_cname.bv_val,
+ mi->oc_monitorCounterObject->soc_cname.bv_val );
+
+ e = str2entry( buf );
+ if ( e == NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, CRIT,
+ "monitor_subsys_rww_init: "
+ "unable to create entry 'cn=Write,%s'\n",
+ monitor_subsys[SLAPD_MONITOR_RWW].mss_ndn.bv_val, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "monitor_subsys_rww_init: "
+ "unable to create entry 'cn=Write,%s'\n",
+ monitor_subsys[SLAPD_MONITOR_RWW].mss_ndn.bv_val, 0, 0 );
+#endif
+ return( -1 );
+ }
+
+ bv.bv_val = "0";
+ bv.bv_len = 1;
+ attr_merge_one( e, mi->ad_monitorCounter, &bv, NULL );
+
+ 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_RWW];
+ mp->mp_flags = monitor_subsys[SLAPD_MONITOR_RWW].mss_flags \
+ | MONITOR_F_SUB | MONITOR_F_PERSISTENT;
+
+ if ( monitor_cache_add( mi, e ) ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, CRIT,
+ "monitor_subsys_rww_init: "
+ "unable to add entry 'cn=Write,%s'\n",
+ monitor_subsys[SLAPD_MONITOR_RWW].mss_ndn.bv_val, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "monitor_subsys_rww_init: "
+ "unable to add entry 'cn=Write,%s'\n",
+ monitor_subsys[SLAPD_MONITOR_RWW].mss_ndn.bv_val, 0, 0 );
+#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 );
}
-static int
-monitor_subsys_readw_update_internal(
- struct monitorinfo *mi,
- Entry *e,
- int rw
+int
+monitor_subsys_rww_update(
+ Operation *op,
+ Entry *e
)
{
+ struct monitorinfo *mi = (struct monitorinfo *)op->o_bd->be_private;
Connection *c;
int connindex;
- int nconns, nwritewaiters, nreadwaiters;
+ long nconns, nwritewaiters, nreadwaiters;
+
+#define RWW_NONE 0
+#define RWW_READ 1
+#define RWW_WRITE 2
+ int type = RWW_NONE;
Attribute *a;
- struct berval *bv[2], val, **b = NULL;
- char buf[1024];
+ struct berval *b = NULL;
+ char buf[] = "+9223372036854775807L";
char *str = NULL;
- int num = 0;
-
- bv[0] = &val;
- bv[1] = NULL;
+ long num = 0;
assert( mi != NULL );
assert( e != NULL );
- bv[0] = &val;
- bv[1] = NULL;
-
+ if ( strncasecmp( e->e_ndn, "cn=read",
+ sizeof("cn=read")-1 ) == 0 ) {
+ type = RWW_READ;
+
+ } else if ( strncasecmp( e->e_ndn, "cn=write",
+ sizeof("cn=write")-1 ) == 0 ) {
+ type = RWW_WRITE;
+
+ } else {
+ return( 0 );
+ }
+
nconns = nwritewaiters = nreadwaiters = 0;
for ( c = connection_first( &connindex );
c != NULL;
}
connection_done(c);
- switch ( rw ) {
- case 0:
- str = "read waiters";
+ switch ( type ) {
+ case RWW_READ:
num = nreadwaiters;
break;
- case 1:
- str = "write waiters";
+
+ case RWW_WRITE:
num = nwritewaiters;
break;
- }
- snprintf( buf, sizeof( buf ), "%s=%d", str, num );
-
- if ( ( a = attr_find( e->e_attrs, monitor_ad_desc ) ) != NULL ) {
- for ( b = a->a_vals; b[0] != NULL; b++ ) {
- if ( strncmp( b[0]->bv_val, str, strlen( str ) ) == 0 ) {
- ber_bvfree( b[0] );
- b[0] = ber_bvstrdup( buf );
- break;
- }
- }
- }
- if ( b == NULL || b[0] == NULL ) {
- val.bv_val = buf;
- val.bv_len = strlen( buf );
- attr_merge( e, monitor_ad_desc, bv );
+ default:
+ assert( 0 );
}
+ snprintf( buf, sizeof( buf ), "%ld", num );
+
+ a = attr_find( e->e_attrs, mi->ad_monitorCounter );
+ assert( a );
+ free( a->a_vals[0].bv_val );
+ ber_str2bv( buf, 0, 1, &a->a_vals[ 0 ] );
+
return( 0 );
}
projects / openldap / blobdiff