1 /* readw.c - deal with read waiters subsystem */
3 * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
4 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
7 * Copyright 2001 The OpenLDAP Foundation, All Rights Reserved.
8 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
10 * Copyright 2001, Pierangelo Masarati, All rights reserved. <ando@sys-net.it>
12 * This work has beed deveolped for the OpenLDAP Foundation
13 * in the hope that it may be useful to the Open Source community,
14 * but WITHOUT ANY WARRANTY.
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18 * to the following restrictions:
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21 * of use of this software, no matter how awful, even if they arise from
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26 * credits should appear in the documentation.
28 * 3. Altered versions must be plainly marked as such, and must not be
29 * misrepresented as being the original software. Since few users
30 * ever read sources, credits should appear in the documentation.
31 * SysNet s.n.c. cannot be responsible for the consequences of the
34 * 4. This notice may not be removed or altered.
42 #include "back-monitor.h"
44 static int monitor_subsys_readw_update_internal( struct monitorinfo *mi, Entry *e, int rw );
47 monitor_subsys_readw_update(
48 struct monitorinfo *mi,
52 return monitor_subsys_readw_update_internal( mi, e, 0 );
56 monitor_subsys_writew_update(
57 struct monitorinfo *mi,
61 return monitor_subsys_readw_update_internal( mi, e, 1 );
65 monitor_subsys_readw_update_internal(
66 struct monitorinfo *mi,
73 int nconns, nwritewaiters, nreadwaiters;
76 struct berval *bv[2], val, **b = NULL;
91 nconns = nwritewaiters = nreadwaiters = 0;
92 for ( c = connection_first( &connindex );
94 c = connection_next( c, &connindex ), nconns++ ) {
95 if ( c->c_writewaiter ) {
98 if ( c->c_currentber != NULL ) {
106 str = "read waiters";
110 str = "write waiters";
114 snprintf( buf, sizeof( buf ), "%s=%d", str, num );
116 if ( ( a = attr_find( e->e_attrs, monitor_ad_desc ) ) != NULL ) {
117 for ( b = a->a_vals; b[0] != NULL; b++ ) {
118 if ( strncmp( b[0]->bv_val, str, strlen( str ) ) == 0 ) {
119 free( b[0]->bv_val );
120 b[0] = ber_bvstrdup( buf );
126 if ( b == NULL || b[0] == NULL ) {
128 val.bv_len = strlen( buf );
129 attr_merge( e, monitor_ad_desc, bv );