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[openldap] / servers / slapd / back-monitor / sent.c
1 /* sent.c - deal with data sent subsystem */
2 /* $OpenLDAP$ */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4  *
5  * Copyright 2001-2018 The OpenLDAP Foundation.
6  * Portions Copyright 2001-2003 Pierangelo Masarati.
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted only as authorized by the OpenLDAP
11  * Public License.
12  *
13  * A copy of this license is available in file LICENSE in the
14  * top-level directory of the distribution or, alternatively, at
15  * <http://www.OpenLDAP.org/license.html>.
16  */
17 /* ACKNOWLEDGEMENTS:
18  * This work was initially developed by Pierangelo Masarati for inclusion
19  * in OpenLDAP Software.
20  */
21
22 #include "portable.h"
23
24 #include <stdio.h>
25 #include <ac/string.h>
26
27 #include "slap.h"
28 #include "back-monitor.h"
29
30 static int
31 monitor_subsys_sent_destroy(
32         BackendDB               *be,
33         monitor_subsys_t        *ms );
34
35 static int
36 monitor_subsys_sent_update(
37         Operation               *op,
38         SlapReply               *rs,
39         Entry                   *e );
40
41 enum {
42         MONITOR_SENT_BYTES = 0,
43         MONITOR_SENT_PDU,
44         MONITOR_SENT_ENTRIES,
45         MONITOR_SENT_REFERRALS,
46
47         MONITOR_SENT_LAST
48 };
49
50 struct monitor_sent_t {
51         struct berval   rdn;
52         struct berval   nrdn;
53 } monitor_sent[] = {
54         { BER_BVC("cn=Bytes"),          BER_BVNULL },
55         { BER_BVC("cn=PDU"),            BER_BVNULL },
56         { BER_BVC("cn=Entries"),        BER_BVNULL },
57         { BER_BVC("cn=Referrals"),      BER_BVNULL },
58         { BER_BVNULL,                   BER_BVNULL }
59 };
60
61 int
62 monitor_subsys_sent_init(
63         BackendDB               *be,
64         monitor_subsys_t        *ms )
65 {
66         monitor_info_t  *mi;
67         
68         Entry           **ep, *e_sent;
69         monitor_entry_t *mp;
70         int                     i;
71
72         assert( be != NULL );
73
74         ms->mss_destroy = monitor_subsys_sent_destroy;
75         ms->mss_update = monitor_subsys_sent_update;
76
77         mi = ( monitor_info_t * )be->be_private;
78
79         if ( monitor_cache_get( mi, &ms->mss_ndn, &e_sent ) ) {
80                 Debug( LDAP_DEBUG_ANY,
81                         "monitor_subsys_sent_init: "
82                         "unable to get entry \"%s\"\n",
83                         ms->mss_ndn.bv_val, 0, 0 );
84                 return( -1 );
85         }
86
87         mp = ( monitor_entry_t * )e_sent->e_private;
88         mp->mp_children = NULL;
89         ep = &mp->mp_children;
90
91         for ( i = 0; i < MONITOR_SENT_LAST; i++ ) {
92                 struct berval           nrdn, bv;
93                 Entry                   *e;
94
95                 e = monitor_entry_stub( &ms->mss_dn, &ms->mss_ndn,
96                         &monitor_sent[i].rdn, mi->mi_oc_monitorCounterObject,
97                         NULL, NULL );
98                         
99                 if ( e == NULL ) {
100                         Debug( LDAP_DEBUG_ANY,
101                                 "monitor_subsys_sent_init: "
102                                 "unable to create entry \"%s,%s\"\n",
103                                 monitor_sent[ i ].rdn.bv_val,
104                                 ms->mss_ndn.bv_val, 0 );
105                         return( -1 );
106                 }
107
108                 /* steal normalized RDN */
109                 dnRdn( &e->e_nname, &nrdn );
110                 ber_dupbv( &monitor_sent[ i ].nrdn, &nrdn );
111         
112                 BER_BVSTR( &bv, "0" );
113                 attr_merge_one( e, mi->mi_ad_monitorCounter, &bv, NULL );
114         
115                 mp = monitor_entrypriv_create();
116                 if ( mp == NULL ) {
117                         return -1;
118                 }
119                 e->e_private = ( void * )mp;
120                 mp->mp_info = ms;
121                 mp->mp_flags = ms->mss_flags \
122                         | MONITOR_F_SUB | MONITOR_F_PERSISTENT;
123
124                 if ( monitor_cache_add( mi, e ) ) {
125                         Debug( LDAP_DEBUG_ANY,
126                                 "monitor_subsys_sent_init: "
127                                 "unable to add entry \"%s,%s\"\n",
128                                 monitor_sent[ i ].rdn.bv_val,
129                                 ms->mss_ndn.bv_val, 0 );
130                         return( -1 );
131                 }
132         
133                 *ep = e;
134                 ep = &mp->mp_next;
135         }
136
137         monitor_cache_release( mi, e_sent );
138
139         return( 0 );
140 }
141
142 static int
143 monitor_subsys_sent_destroy(
144         BackendDB               *be,
145         monitor_subsys_t        *ms )
146 {
147         int             i;
148
149         for ( i = 0; i < MONITOR_SENT_LAST; i++ ) {
150                 if ( !BER_BVISNULL( &monitor_sent[ i ].nrdn ) ) {
151                         ch_free( monitor_sent[ i ].nrdn.bv_val );
152                 }
153         }
154
155         return 0;
156 }
157
158 static int
159 monitor_subsys_sent_update(
160         Operation               *op,
161         SlapReply               *rs,
162         Entry                   *e )
163 {
164         monitor_info_t  *mi = ( monitor_info_t *)op->o_bd->be_private;
165         
166         struct berval           nrdn;
167         ldap_pvt_mp_t           n;
168         Attribute               *a;
169         slap_counters_t *sc;
170         int                     i;
171
172         assert( mi != NULL );
173         assert( e != NULL );
174
175         dnRdn( &e->e_nname, &nrdn );
176
177         for ( i = 0; i < MONITOR_SENT_LAST; i++ ) {
178                 if ( dn_match( &nrdn, &monitor_sent[ i ].nrdn ) ) {
179                         break;
180                 }
181         }
182
183         if ( i == MONITOR_SENT_LAST ) {
184                 return SLAP_CB_CONTINUE;
185         }
186
187         ldap_pvt_thread_mutex_lock(&slap_counters.sc_mutex);
188         switch ( i ) {
189         case MONITOR_SENT_ENTRIES:
190                 ldap_pvt_mp_init_set( n, slap_counters.sc_entries );
191                 for ( sc = slap_counters.sc_next; sc; sc = sc->sc_next ) {
192                         ldap_pvt_thread_mutex_lock( &sc->sc_mutex );
193                         ldap_pvt_mp_add( n, sc->sc_entries );
194                         ldap_pvt_thread_mutex_unlock( &sc->sc_mutex );
195                 }
196                 break;
197
198         case MONITOR_SENT_REFERRALS:
199                 ldap_pvt_mp_init_set( n, slap_counters.sc_refs );
200                 for ( sc = slap_counters.sc_next; sc; sc = sc->sc_next ) {
201                         ldap_pvt_thread_mutex_lock( &sc->sc_mutex );
202                         ldap_pvt_mp_add( n, sc->sc_refs );
203                         ldap_pvt_thread_mutex_unlock( &sc->sc_mutex );
204                 }
205                 break;
206
207         case MONITOR_SENT_PDU:
208                 ldap_pvt_mp_init_set( n, slap_counters.sc_pdu );
209                 for ( sc = slap_counters.sc_next; sc; sc = sc->sc_next ) {
210                         ldap_pvt_thread_mutex_lock( &sc->sc_mutex );
211                         ldap_pvt_mp_add( n, sc->sc_pdu );
212                         ldap_pvt_thread_mutex_unlock( &sc->sc_mutex );
213                 }
214                 break;
215
216         case MONITOR_SENT_BYTES:
217                 ldap_pvt_mp_init_set( n, slap_counters.sc_bytes );
218                 for ( sc = slap_counters.sc_next; sc; sc = sc->sc_next ) {
219                         ldap_pvt_thread_mutex_lock( &sc->sc_mutex );
220                         ldap_pvt_mp_add( n, sc->sc_bytes );
221                         ldap_pvt_thread_mutex_unlock( &sc->sc_mutex );
222                 }
223                 break;
224
225         default:
226                 assert(0);
227         }
228         ldap_pvt_thread_mutex_unlock(&slap_counters.sc_mutex);
229         
230         a = attr_find( e->e_attrs, mi->mi_ad_monitorCounter );
231         assert( a != NULL );
232
233         /* NOTE: no minus sign is allowed in the counters... */
234         UI2BV( &a->a_vals[ 0 ], n );
235         ldap_pvt_mp_clear( n );
236
237         /* FIXME: touch modifyTimestamp? */
238
239         return SLAP_CB_CONTINUE;
240 }
241