#include "portable.h"
#include <stdio.h>
#include "slap.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
)
{
return monitor_subsys_readw_update_internal( mi, e, 0 );
}
int
monitor_subsys_writew_update(
struct monitorinfo *mi,
Entry *e
)
{
return monitor_subsys_readw_update_internal( mi, e, 1 );
}
static int
monitor_subsys_readw_update_internal(
struct monitorinfo *mi,
Entry *e,
int rw
)
{
Connection *c;
int connindex;
int nconns, nwritewaiters, nreadwaiters;
Attribute *a;
struct berval bv[2], *b = NULL;
char buf[1024];
char *str = NULL;
int num = 0;
assert( mi != NULL );
assert( e != NULL );
bv[1].bv_val = NULL;
nconns = nwritewaiters = nreadwaiters = 0;
for ( c = connection_first( &connindex );
c != NULL;
c = connection_next( c, &connindex ), nconns++ ) {
if ( c->c_writewaiter ) {
nwritewaiters++;
}
if ( c->c_currentber != NULL ) {
nreadwaiters++;
}
}
connection_done(c);
switch ( rw ) {
case 0:
str = "read waiters";
num = nreadwaiters;
break;
case 1:
str = "write waiters";
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].bv_val != NULL; b++ ) {
if ( strncmp( b[0].bv_val, str, strlen( str ) ) == 0 ) {
free( b[0].bv_val );
ber_str2bv( buf, 0, 1, b );
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 );
}