X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Fback-monitor%2Fthread.c;h=e432d20c04e1b1d890ba1d1e44515d56b37878cc;hb=48685b7962e9c365752a7eaeaeda9785cdee7946;hp=c76acaa86468941669261ff0e7bd336aa0b81ab4;hpb=c984c229d682168bcb8caaa8e18dfd6833c1da5b;p=openldap
diff --git a/servers/slapd/back-monitor/thread.c b/servers/slapd/back-monitor/thread.c
index c76acaa864..e432d20c04 100644
--- a/servers/slapd/back-monitor/thread.c
+++ b/servers/slapd/back-monitor/thread.c
@@ -2,7 +2,7 @@
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software .
*
- * Copyright 2001-2005 The OpenLDAP Foundation.
+ * Copyright 2001-2012 The OpenLDAP Foundation.
* Portions Copyright 2001-2003 Pierangelo Masarati.
* All rights reserved.
*
@@ -29,11 +29,74 @@
#include
+#ifndef NO_THREADS
+typedef enum {
+ MT_UNKNOWN,
+ MT_RUNQUEUE,
+ MT_TASKLIST,
+
+ MT_LAST
+} monitor_thread_t;
+
+static struct {
+ struct berval rdn;
+ struct berval desc;
+ struct berval nrdn;
+ ldap_pvt_thread_pool_param_t param;
+ monitor_thread_t mt;
+} mt[] = {
+ { BER_BVC( "cn=Max" ),
+ BER_BVC("Maximum number of threads as configured"),
+ BER_BVNULL, LDAP_PVT_THREAD_POOL_PARAM_MAX, MT_UNKNOWN },
+ { BER_BVC( "cn=Max Pending" ),
+ BER_BVC("Maximum number of pending threads"),
+ BER_BVNULL, LDAP_PVT_THREAD_POOL_PARAM_MAX_PENDING, MT_UNKNOWN },
+ { BER_BVC( "cn=Open" ),
+ BER_BVC("Number of open threads"),
+ BER_BVNULL, LDAP_PVT_THREAD_POOL_PARAM_OPEN, MT_UNKNOWN },
+ { BER_BVC( "cn=Starting" ),
+ BER_BVC("Number of threads being started"),
+ BER_BVNULL, LDAP_PVT_THREAD_POOL_PARAM_STARTING, MT_UNKNOWN },
+ { BER_BVC( "cn=Active" ),
+ BER_BVC("Number of active threads"),
+ BER_BVNULL, LDAP_PVT_THREAD_POOL_PARAM_ACTIVE, MT_UNKNOWN },
+ { BER_BVC( "cn=Pending" ),
+ BER_BVC("Number of pending threads"),
+ BER_BVNULL, LDAP_PVT_THREAD_POOL_PARAM_PENDING, MT_UNKNOWN },
+ { BER_BVC( "cn=Backload" ),
+ BER_BVC("Number of active plus pending threads"),
+ BER_BVNULL, LDAP_PVT_THREAD_POOL_PARAM_BACKLOAD, MT_UNKNOWN },
+#if 0 /* not meaningful right now */
+ { BER_BVC( "cn=Active Max" ),
+ BER_BVNULL,
+ BER_BVNULL, LDAP_PVT_THREAD_POOL_PARAM_ACTIVE_MAX, MT_UNKNOWN },
+ { BER_BVC( "cn=Pending Max" ),
+ BER_BVNULL,
+ BER_BVNULL, LDAP_PVT_THREAD_POOL_PARAM_PENDING_MAX, MT_UNKNOWN },
+ { BER_BVC( "cn=Backload Max" ),
+ BER_BVNULL,
+ BER_BVNULL, LDAP_PVT_THREAD_POOL_PARAM_BACKLOAD_MAX,MT_UNKNOWN },
+#endif
+ { BER_BVC( "cn=State" ),
+ BER_BVC("Thread pool state"),
+ BER_BVNULL, LDAP_PVT_THREAD_POOL_PARAM_STATE, MT_UNKNOWN },
+
+ { BER_BVC( "cn=Runqueue" ),
+ BER_BVC("Queue of running threads - besides those handling operations"),
+ BER_BVNULL, LDAP_PVT_THREAD_POOL_PARAM_UNKNOWN, MT_RUNQUEUE },
+ { BER_BVC( "cn=Tasklist" ),
+ BER_BVC("List of running plus standby threads - besides those handling operations"),
+ BER_BVNULL, LDAP_PVT_THREAD_POOL_PARAM_UNKNOWN, MT_TASKLIST },
+
+ { BER_BVNULL }
+};
+
static int
monitor_subsys_thread_update(
Operation *op,
SlapReply *rs,
Entry *e );
+#endif /* ! NO_THREADS */
/*
* initializes log subentry
@@ -41,13 +104,13 @@ monitor_subsys_thread_update(
int
monitor_subsys_thread_init(
BackendDB *be,
- monitor_subsys_t *ms
-)
+ monitor_subsys_t *ms )
{
+#ifndef NO_THREADS
monitor_info_t *mi;
monitor_entry_t *mp;
Entry *e, **ep, *e_thread;
- static char buf[ BACKMONITOR_BUFSIZE ];
+ int i;
ms->mss_update = monitor_subsys_thread_update;
@@ -56,7 +119,7 @@ monitor_subsys_thread_init(
if ( monitor_cache_get( mi, &ms->mss_ndn, &e_thread ) ) {
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_thread_init: unable to get entry \"%s\"\n",
- ms->mss_ndn.bv_val,
+ ms->mss_dn.bv_val,
0, 0 );
return( -1 );
}
@@ -65,165 +128,94 @@ monitor_subsys_thread_init(
mp->mp_children = NULL;
ep = &mp->mp_children;
- /*
- * Max
- */
- snprintf( buf, sizeof( buf ),
- "dn: cn=Max,%s\n"
- "objectClass: %s\n"
- "structuralObjectClass: %s\n"
- "cn: Max\n"
- "%s: %d\n"
- "creatorsName: %s\n"
- "modifiersName: %s\n"
- "createTimestamp: %s\n"
- "modifyTimestamp: %s\n",
- ms->mss_dn.bv_val,
- mi->mi_oc_monitoredObject->soc_cname.bv_val,
- mi->mi_oc_monitoredObject->soc_cname.bv_val,
- mi->mi_ad_monitoredInfo->ad_cname.bv_val,
- connection_pool_max,
- 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_thread_init: "
- "unable to create entry \"cn=Max,%s\"\n",
- ms->mss_ndn.bv_val, 0, 0 );
- return( -1 );
- }
-
- 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;
+ for ( i = 0; !BER_BVISNULL( &mt[ i ].rdn ); i++ ) {
+ static char buf[ BACKMONITOR_BUFSIZE ];
+ int count = -1;
+ char *state = NULL;
+ struct berval bv = BER_BVNULL;
+
+ /*
+ * Max
+ */
+ e = monitor_entry_stub( &ms->mss_dn, &ms->mss_ndn,
+ &mt[ i ].rdn,
+ mi->mi_oc_monitoredObject, NULL, NULL );
+ if ( e == NULL ) {
+ Debug( LDAP_DEBUG_ANY,
+ "monitor_subsys_thread_init: "
+ "unable to create entry \"%s,%s\"\n",
+ mt[ i ].rdn.bv_val,
+ ms->mss_ndn.bv_val, 0 );
+ return( -1 );
+ }
- if ( monitor_cache_add( mi, e ) ) {
- Debug( LDAP_DEBUG_ANY,
- "monitor_subsys_thread_init: "
- "unable to add entry \"cn=Max,%s\"\n",
- ms->mss_ndn.bv_val, 0, 0 );
- return( -1 );
- }
-
- *ep = e;
- ep = &mp->mp_next;
-
- /*
- * Backload
- */
- snprintf( buf, sizeof( buf ),
- "dn: cn=Backload,%s\n"
- "objectClass: %s\n"
- "structuralObjectClass: %s\n"
- "cn: Backload\n"
- "%s: 0\n"
- "creatorsName: %s\n"
- "modifiersName: %s\n"
- "createTimestamp: %s\n"
- "modifyTimestamp: %s\n",
- ms->mss_dn.bv_val,
- mi->mi_oc_monitoredObject->soc_cname.bv_val,
- mi->mi_oc_monitoredObject->soc_cname.bv_val,
- mi->mi_ad_monitoredInfo->ad_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_thread_init: "
- "unable to create entry \"cn=Backload,%s\"\n",
- ms->mss_ndn.bv_val, 0, 0 );
- return( -1 );
- }
+ /* NOTE: reference to the normalized DN of the entry,
+ * under the assumption it's not modified */
+ dnRdn( &e->e_nname, &mt[ i ].nrdn );
+
+ switch ( mt[ i ].param ) {
+ case LDAP_PVT_THREAD_POOL_PARAM_UNKNOWN:
+ break;
+
+ case LDAP_PVT_THREAD_POOL_PARAM_STATE:
+ if ( ldap_pvt_thread_pool_query( &connection_pool,
+ mt[ i ].param, (void *)&state ) == 0 )
+ {
+ ber_str2bv( state, 0, 0, &bv );
+
+ } else {
+ BER_BVSTR( &bv, "unknown" );
+ }
+ break;
+
+ default:
+ /* NOTE: in case of error, it'll be set to -1 */
+ (void)ldap_pvt_thread_pool_query( &connection_pool,
+ mt[ i ].param, (void *)&count );
+ bv.bv_val = buf;
+ bv.bv_len = snprintf( buf, sizeof( buf ), "%d", count );
+ break;
+ }
- 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;
+ if ( !BER_BVISNULL( &bv ) ) {
+ attr_merge_normalize_one( e, mi->mi_ad_monitoredInfo, &bv, NULL );
+ }
- if ( monitor_cache_add( mi, e ) ) {
- Debug( LDAP_DEBUG_ANY,
- "monitor_subsys_thread_init: "
- "unable to add entry \"cn=Backload,%s\"\n",
- ms->mss_ndn.bv_val, 0, 0 );
- return( -1 );
- }
+ if ( !BER_BVISNULL( &mt[ i ].desc ) ) {
+ attr_merge_normalize_one( e,
+ slap_schema.si_ad_description,
+ &mt[ i ].desc, NULL );
+ }
- *ep = e;
- ep = &mp->mp_next;
-
- /*
- * Runqueue runners
- */
- snprintf( buf, sizeof( buf ),
- "dn: cn=Runqueue,%s\n"
- "objectClass: %s\n"
- "structuralObjectClass: %s\n"
- "cn: Runqueue\n"
- "%s: 0\n"
- "creatorsName: %s\n"
- "modifiersName: %s\n"
- "createTimestamp: %s\n"
- "modifyTimestamp: %s\n",
- ms->mss_dn.bv_val,
- mi->mi_oc_monitoredObject->soc_cname.bv_val,
- mi->mi_oc_monitoredObject->soc_cname.bv_val,
- mi->mi_ad_monitoredInfo->ad_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_thread_init: "
- "unable to create entry \"cn=Runqueue,%s\"\n",
- ms->mss_ndn.bv_val, 0, 0 );
- return( -1 );
- }
-
- 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;
-
- if ( monitor_cache_add( mi, e ) ) {
- Debug( LDAP_DEBUG_ANY,
- "monitor_subsys_thread_init: "
- "unable to add entry \"cn=Runqueue,%s\"\n",
- ms->mss_ndn.bv_val, 0, 0 );
- return( -1 );
- }
+ 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;
+
+ if ( monitor_cache_add( mi, e ) ) {
+ Debug( LDAP_DEBUG_ANY,
+ "monitor_subsys_thread_init: "
+ "unable to add entry \"%s,%s\"\n",
+ mt[ i ].rdn.bv_val,
+ ms->mss_dn.bv_val, 0 );
+ return( -1 );
+ }
- *ep = e;
- ep = &mp->mp_next;
+ *ep = e;
+ ep = &mp->mp_next;
+ }
monitor_cache_release( mi, e_thread );
+#endif /* ! NO_THREADS */
return( 0 );
}
+#ifndef NO_THREADS
static int
monitor_subsys_thread_update(
Operation *op,
@@ -232,57 +224,130 @@ monitor_subsys_thread_update(
{
monitor_info_t *mi = ( monitor_info_t * )op->o_bd->be_private;
Attribute *a;
+ BerVarray vals = NULL;
char buf[ BACKMONITOR_BUFSIZE ];
- static struct berval backload_bv = BER_BVC( "cn=backload" );
- static struct berval runqueue_bv = BER_BVC( "cn=runqueue" );
struct berval rdn, bv;
- ber_len_t len;
- int which = 0, i;
- struct re_s *re;
+ int which, i;
+ struct re_s *re;
+ int count = -1;
+ char *state = NULL;
assert( mi != NULL );
dnRdn( &e->e_nname, &rdn );
- if ( dn_match( &rdn, &backload_bv ) ) {
- which = 1;
- } else if ( dn_match( &rdn, &runqueue_bv ) ) {
- which = 2;
+ for ( i = 0; !BER_BVISNULL( &mt[ i ].nrdn ); i++ ) {
+ if ( dn_match( &mt[ i ].nrdn, &rdn ) ) {
+ break;
+ }
+ }
- } else {
+ which = i;
+ if ( BER_BVISNULL( &mt[ which ].nrdn ) ) {
return SLAP_CB_CONTINUE;
}
a = attr_find( e->e_attrs, mi->mi_ad_monitoredInfo );
- if ( a == NULL ) {
- return rs->sr_err = LDAP_OTHER;
- }
- switch ( which ) {
- case 1:
- snprintf( buf, sizeof( buf ), "%d",
- ldap_pvt_thread_pool_backload( &connection_pool ) );
- 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 );
+ switch ( mt[ which ].param ) {
+ case LDAP_PVT_THREAD_POOL_PARAM_UNKNOWN:
+ switch ( mt[ which ].mt ) {
+ case MT_RUNQUEUE:
+ if ( a != NULL ) {
+ if ( a->a_nvals != a->a_vals ) {
+ ber_bvarray_free( a->a_nvals );
+ }
+ ber_bvarray_free( a->a_vals );
+ a->a_vals = NULL;
+ a->a_nvals = NULL;
+ a->a_numvals = 0;
+ }
+
+ i = 0;
+ bv.bv_val = buf;
+ ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
+ LDAP_STAILQ_FOREACH( re, &slapd_rq.run_list, rnext ) {
+ bv.bv_len = snprintf( buf, sizeof( buf ), "{%d}%s(%s)",
+ i, re->tname, re->tspec );
+ if ( bv.bv_len < sizeof( buf ) ) {
+ value_add_one( &vals, &bv );
+ }
+ i++;
+ }
+ ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
+
+ if ( vals ) {
+ attr_merge_normalize( e, mi->mi_ad_monitoredInfo, vals, NULL );
+ ber_bvarray_free( vals );
+
+ } else {
+ attr_delete( &e->e_attrs, mi->mi_ad_monitoredInfo );
+ }
+ break;
+
+ case MT_TASKLIST:
+ if ( a != NULL ) {
+ if ( a->a_nvals != a->a_vals ) {
+ ber_bvarray_free( a->a_nvals );
+ }
+ ber_bvarray_free( a->a_vals );
+ a->a_vals = NULL;
+ a->a_nvals = NULL;
+ a->a_numvals = 0;
+ }
+
+ i = 0;
+ bv.bv_val = buf;
+ ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
+ LDAP_STAILQ_FOREACH( re, &slapd_rq.task_list, tnext ) {
+ bv.bv_len = snprintf( buf, sizeof( buf ), "{%d}%s(%s)",
+ i, re->tname, re->tspec );
+ if ( bv.bv_len < sizeof( buf ) ) {
+ value_add_one( &vals, &bv );
+ }
+ i++;
+ }
+ ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
+
+ if ( vals ) {
+ attr_merge_normalize( e, mi->mi_ad_monitoredInfo, vals, NULL );
+ ber_bvarray_free( vals );
+
+ } else {
+ attr_delete( &e->e_attrs, mi->mi_ad_monitoredInfo );
+ }
+ break;
+
+ default:
+ assert( 0 );
}
- a->a_vals[ 0 ].bv_len = len;
- AC_MEMCPY( a->a_vals[ 0 ].bv_val, buf, len + 1 );
break;
- case 2:
- for ( i = 0; !BER_BVISNULL( a->a_vals + i ); i++) {
- ch_free( a->a_vals[i].bv_val );
- BER_BVZERO( a->a_vals + i );
+ case LDAP_PVT_THREAD_POOL_PARAM_STATE:
+ if ( a == NULL ) {
+ return rs->sr_err = LDAP_OTHER;
}
- bv.bv_val = buf;
- ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
- LDAP_STAILQ_FOREACH( re, &slapd_rq.run_list, rnext ) {
- bv.bv_len = snprintf( buf, sizeof( buf ), "%s(%s)",
- re->tname, re->tspec );
- value_add_one( &a->a_vals, &bv );
+ if ( ldap_pvt_thread_pool_query( &connection_pool,
+ mt[ i ].param, (void *)&state ) == 0 )
+ {
+ ber_str2bv( state, 0, 0, &bv );
+ ber_bvreplace( &a->a_vals[ 0 ], &bv );
+ }
+ break;
+
+ default:
+ if ( a == NULL ) {
+ return rs->sr_err = LDAP_OTHER;
+ }
+ if ( ldap_pvt_thread_pool_query( &connection_pool,
+ mt[ i ].param, (void *)&count ) == 0 )
+ {
+ bv.bv_val = buf;
+ bv.bv_len = snprintf( buf, sizeof( buf ), "%d", count );
+ if ( bv.bv_len < sizeof( buf ) ) {
+ ber_bvreplace( &a->a_vals[ 0 ], &bv );
+ }
}
- ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
break;
}
@@ -290,4 +355,4 @@ monitor_subsys_thread_update(
return SLAP_CB_CONTINUE;
}
-
+#endif /* ! NO_THREADS */