openldap/servers/slapd/back-monitor/thread.c

122 lines
3.1 KiB
C

/* thread.c - deal with thread 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 "slap.h"
#include "back-monitor.h"
/*
* * initializes log subentry
* */
int
monitor_subsys_thread_init(
BackendDB *be
)
{
struct monitorinfo *mi;
Entry *e;
struct berval bv[2];
static char buf[1024];
mi = ( struct monitorinfo * )be->be_private;
if ( monitor_cache_get( mi,
&monitor_subsys[SLAPD_MONITOR_THREAD].mss_ndn, &e ) )
{
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, CRIT,
"monitor_subsys_thread_init: unable to get entry '%s'\n",
monitor_subsys[SLAPD_MONITOR_THREAD].mss_ndn.bv_val, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_thread_init: unable to get entry '%s'\n",
monitor_subsys[SLAPD_MONITOR_THREAD].mss_ndn.bv_val,
0, 0 );
#endif
return( -1 );
}
/* initialize the thread number */
snprintf( buf, sizeof( buf ), "max=%d", connection_pool_max );
bv[1].bv_val = NULL;
bv[0].bv_val = buf;
bv[0].bv_len = strlen( bv[0].bv_val );
attr_merge( e, monitor_ad_desc, bv );
monitor_cache_release( mi, e );
return( 0 );
}
int
monitor_subsys_thread_update(
struct monitorinfo *mi,
Entry *e
)
{
Attribute *a;
struct berval bv[2], *b = NULL;
char buf[1024];
bv[1].bv_val = NULL;
snprintf( buf, sizeof( buf ), "backload=%d",
ldap_pvt_thread_pool_backload( &connection_pool ) );
if ( ( a = attr_find( e->e_attrs, monitor_ad_desc ) ) != NULL ) {
for ( b = a->a_vals; b[0].bv_val != NULL; b++ ) {
if ( strncmp( b[0].bv_val, "backload=",
sizeof( "backload=" ) - 1 ) == 0 ) {
free( b[0].bv_val );
ber_str2bv( buf, 0, 1, &b[0] );
break;
}
}
}
if ( b == NULL || b[0].bv_val == NULL ) {
bv[0].bv_val = buf;
bv[0].bv_len = strlen( buf );
attr_merge( e, monitor_ad_desc, bv );
}
return( 0 );
}