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openldap  2.4.31
Functions
conn.c File Reference
#include "portable.h"
#include <stdio.h>
#include <ac/string.h>
#include "slap.h"
#include "lutil.h"
#include "back-monitor.h"

Go to the source code of this file.

Functions

static int monitor_subsys_conn_update (Operation *op, SlapReply *rs, Entry *e)
static int monitor_subsys_conn_create (Operation *op, SlapReply *rs, struct berval *ndn, Entry *e_parent, Entry **ep)
int monitor_subsys_conn_init (BackendDB *be, monitor_subsys_t *ms)
static int conn_create (monitor_info_t *mi, Connection *c, Entry **ep, monitor_subsys_t *ms)

Function Documentation

static int conn_create ( monitor_info_t mi,
Connection c,
Entry **  ep,
monitor_subsys_t ms 
) [static]

Definition at line 262 of file conn.c.

{
       monitor_entry_t *mp;
       struct tm     tm;
       char          buf[ BACKMONITOR_BUFSIZE ];
       char          buf2[ LDAP_LUTIL_GENTIME_BUFSIZE ];
       char          buf3[ LDAP_LUTIL_GENTIME_BUFSIZE ];

       struct berval bv, ctmbv, mtmbv;
       struct berval bv_unknown= BER_BVC("unknown");

       Entry         *e;

       assert( c != NULL );
       assert( ep != NULL );

       ldap_pvt_gmtime( &c->c_starttime, &tm );

       ctmbv.bv_len = lutil_gentime( buf2, sizeof( buf2 ), &tm );
       ctmbv.bv_val = buf2;

       ldap_pvt_gmtime( &c->c_activitytime, &tm );
       mtmbv.bv_len = lutil_gentime( buf3, sizeof( buf3 ), &tm );
       mtmbv.bv_val = buf3;

       bv.bv_len = snprintf( buf, sizeof( buf ),
              "cn=Connection %ld", c->c_connid );
       bv.bv_val = buf;
       e = monitor_entry_stub( &ms->mss_dn, &ms->mss_ndn, &bv, 
              mi->mi_oc_monitorConnection, mi, &ctmbv, &mtmbv );

       if ( e == NULL) {
              Debug( LDAP_DEBUG_ANY,
                     "monitor_subsys_conn_create: "
                     "unable to create entry "
                     "\"cn=Connection %ld,%s\"\n",
                     c->c_connid, 
                     ms->mss_dn.bv_val, 0 );
              return( -1 );
       }

#ifdef MONITOR_LEGACY_CONN
       /* NOTE: this will disappear, as the exploded data
        * has been moved to dedicated attributes */
       bv.bv_len = snprintf( buf, sizeof( buf ),
                     "%ld "
                     ": %ld "
                     ": %ld/%ld/%ld/%ld "
                     ": %ld/%ld/%ld "
                     ": %s%s%s%s%s%s "
                     ": %s "
                     ": %s "
                     ": %s "
                     ": %s "
                     ": %s "
                     ": %s "
                     ": %s",
                     c->c_connid,
                     (long) c->c_protocol,
                     c->c_n_ops_received, c->c_n_ops_executing,
                            c->c_n_ops_pending, c->c_n_ops_completed,
                     
                     /* add low-level counters here */
                     c->c_n_get, c->c_n_read, c->c_n_write,
                     
                     c->c_currentber ? "r" : "",
                     c->c_writewaiter ? "w" : "",
                     LDAP_STAILQ_EMPTY( &c->c_ops ) ? "" : "x",
                     LDAP_STAILQ_EMPTY( &c->c_pending_ops ) ? "" : "p",
                     connection_state2str( c->c_conn_state ),
                     c->c_sasl_bind_in_progress ? "S" : "",
                     
                     c->c_dn.bv_len ? c->c_dn.bv_val : SLAPD_ANONYMOUS,
                     
                     c->c_listener_url.bv_val,
                     BER_BVISNULL( &c->c_peer_domain )
                            ? "" : c->c_peer_domain.bv_val,
                     BER_BVISNULL( &c->c_peer_name )
                            ? "" : c->c_peer_name.bv_val,
                     c->c_sock_name.bv_val,
                     
                     buf2,
                     buf3 );
       attr_merge_normalize_one( e, mi->mi_ad_monitoredInfo, &bv, NULL );
#endif /* MONITOR_LEGACY_CONN */

       bv.bv_len = snprintf( buf, sizeof( buf ), "%lu", c->c_connid );
       attr_merge_one( e, mi->mi_ad_monitorConnectionNumber, &bv, NULL );

       bv.bv_len = snprintf( buf, sizeof( buf ), "%ld", (long) c->c_protocol );
       attr_merge_normalize_one( e, mi->mi_ad_monitorConnectionProtocol, &bv, NULL );

       bv.bv_len = snprintf( buf, sizeof( buf ), "%ld", c->c_n_ops_received );
       attr_merge_one( e, mi->mi_ad_monitorConnectionOpsReceived, &bv, NULL );

       bv.bv_len = snprintf( buf, sizeof( buf ), "%ld", c->c_n_ops_executing );
       attr_merge_one( e, mi->mi_ad_monitorConnectionOpsExecuting, &bv, NULL );

       bv.bv_len = snprintf( buf, sizeof( buf ), "%ld", c->c_n_ops_pending );
       attr_merge_one( e, mi->mi_ad_monitorConnectionOpsPending, &bv, NULL );

       bv.bv_len = snprintf( buf, sizeof( buf ), "%ld", c->c_n_ops_completed );
       attr_merge_one( e, mi->mi_ad_monitorConnectionOpsCompleted, &bv, NULL );

       bv.bv_len = snprintf( buf, sizeof( buf ), "%ld", c->c_n_get );
       attr_merge_one( e, mi->mi_ad_monitorConnectionGet, &bv, NULL );

       bv.bv_len = snprintf( buf, sizeof( buf ), "%ld", c->c_n_read );
       attr_merge_one( e, mi->mi_ad_monitorConnectionRead, &bv, NULL );

       bv.bv_len = snprintf( buf, sizeof( buf ), "%ld", c->c_n_write );
       attr_merge_one( e, mi->mi_ad_monitorConnectionWrite, &bv, NULL );

       bv.bv_len = snprintf( buf, sizeof( buf ), "%s%s%s%s%s%s",
                     c->c_currentber ? "r" : "",
                     c->c_writewaiter ? "w" : "",
                     LDAP_STAILQ_EMPTY( &c->c_ops ) ? "" : "x",
                     LDAP_STAILQ_EMPTY( &c->c_pending_ops ) ? "" : "p",
                     connection_state2str( c->c_conn_state ),
                     c->c_sasl_bind_in_progress ? "S" : "" );
       attr_merge_normalize_one( e, mi->mi_ad_monitorConnectionMask, &bv, NULL );

       attr_merge_one( e, mi->mi_ad_monitorConnectionAuthzDN,
              &c->c_dn, &c->c_ndn );

       /* NOTE: client connections leave the c_peer_* fields NULL */
       assert( !BER_BVISNULL( &c->c_listener_url ) );
       attr_merge_normalize_one( e, mi->mi_ad_monitorConnectionListener,
              &c->c_listener_url, NULL );

       attr_merge_normalize_one( e, mi->mi_ad_monitorConnectionPeerDomain,
              BER_BVISNULL( &c->c_peer_domain ) ? &bv_unknown : &c->c_peer_domain,
              NULL );

       attr_merge_normalize_one( e, mi->mi_ad_monitorConnectionPeerAddress,
              BER_BVISNULL( &c->c_peer_name ) ? &bv_unknown : &c->c_peer_name,
              NULL );

       assert( !BER_BVISNULL( &c->c_sock_name ) );
       attr_merge_normalize_one( e, mi->mi_ad_monitorConnectionLocalAddress,
              &c->c_sock_name, NULL );

       attr_merge_normalize_one( e, mi->mi_ad_monitorConnectionStartTime, &ctmbv, NULL );

       attr_merge_normalize_one( e, mi->mi_ad_monitorConnectionActivityTime, &mtmbv, NULL );

       mp = monitor_entrypriv_create();
       if ( mp == NULL ) {
              return LDAP_OTHER;
       }
       e->e_private = ( void * )mp;
       mp->mp_info = ms;
       mp->mp_flags = MONITOR_F_SUB | MONITOR_F_VOLATILE;

       *ep = e;

       return SLAP_CB_CONTINUE;
}

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static int monitor_subsys_conn_create ( Operation op,
SlapReply rs,
struct berval ndn,
Entry e_parent,
Entry **  ep 
) [static]

Definition at line 426 of file conn.c.

{
       monitor_info_t       *mi = ( monitor_info_t * )op->o_bd->be_private;

       int                  rc = SLAP_CB_CONTINUE;
       monitor_subsys_t     *ms;

       assert( mi != NULL );
       assert( e_parent != NULL );
       assert( ep != NULL );

       ms = (( monitor_entry_t *)e_parent->e_private)->mp_info;

       *ep = NULL;

       if ( ndn == NULL ) {
              Connection    *c;
              ber_socket_t  connindex;
              Entry         *e = NULL,
                            *e_tmp = NULL;

              /* create all the children of e_parent */
              for ( c = connection_first( &connindex );
                            c != NULL;
                            c = connection_next( c, &connindex ) )
              {
                     monitor_entry_t      *mp;

                     if ( conn_create( mi, c, &e, ms ) != SLAP_CB_CONTINUE
                                   || e == NULL )
                     {
                            for ( ; e_tmp != NULL; ) {
                                   mp = ( monitor_entry_t * )e_tmp->e_private;
                                   e = mp->mp_next;

                                   ch_free( mp );
                                   e_tmp->e_private = NULL;
                                   entry_free( e_tmp );

                                   e_tmp = e;
                            }
                            rc = rs->sr_err = LDAP_OTHER;
                            break;
                     }
                     mp = ( monitor_entry_t * )e->e_private;
                     mp->mp_next = e_tmp;
                     e_tmp = e;
              }
              connection_done( c );
              *ep = e;

       } else {
              Connection           *c;
              ber_socket_t         connindex;
              unsigned long               connid;
              char                 *next = NULL;
              static struct berval nconn_bv = BER_BVC( "cn=connection " );

              rc = LDAP_NO_SUCH_OBJECT;
              
              /* create exactly the required entry;
               * the normalized DN must start with "cn=connection ",
               * followed by the connection id, followed by
               * the RDN separator "," */
              if ( ndn->bv_len <= nconn_bv.bv_len
                            || strncmp( ndn->bv_val, nconn_bv.bv_val, nconn_bv.bv_len ) != 0 )
              {
                     return -1;
              }
              
              connid = strtol( &ndn->bv_val[ nconn_bv.bv_len ], &next, 10 );
              if ( next[ 0 ] != ',' ) {
                     return ( rs->sr_err = LDAP_OTHER );
              }

              for ( c = connection_first( &connindex );
                            c != NULL;
                            c = connection_next( c, &connindex ) )
              {
                     if ( c->c_connid == connid ) {
                            rc = conn_create( mi, c, ep, ms );
                            if ( rc != SLAP_CB_CONTINUE ) {
                                   rs->sr_err = rc;

                            } else if ( *ep == NULL ) {
                                   rc = rs->sr_err = LDAP_OTHER;
                            }

                            break;
                     }
              }
              
              connection_done( c );
       }

       return rc;
}

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Definition at line 46 of file conn.c.

{
       monitor_info_t       *mi;
       Entry         *e, **ep, *e_conn;
       monitor_entry_t      *mp;
       char          buf[ BACKMONITOR_BUFSIZE ];
       struct berval bv;

       assert( be != NULL );

       ms->mss_update = monitor_subsys_conn_update;
       ms->mss_create = monitor_subsys_conn_create;

       mi = ( monitor_info_t * )be->be_private;

       if ( monitor_cache_get( mi, &ms->mss_ndn, &e_conn ) ) {
              Debug( LDAP_DEBUG_ANY,
                     "monitor_subsys_conn_init: "
                     "unable to get entry \"%s\"\n",
                     ms->mss_ndn.bv_val, 0, 0 );
              return( -1 );
       }

       mp = ( monitor_entry_t * )e_conn->e_private;
       mp->mp_children = NULL;
       ep = &mp->mp_children;

       /*
        * Max file descriptors
        */
       BER_BVSTR( &bv, "cn=Max File Descriptors" );
       e = monitor_entry_stub( &ms->mss_dn, &ms->mss_ndn, &bv,
              mi->mi_oc_monitorCounterObject, mi, NULL, NULL );
       
       if ( e == NULL ) {
              Debug( LDAP_DEBUG_ANY,
                     "monitor_subsys_conn_init: "
                     "unable to create entry \"%s,%s\"\n",
                     bv.bv_val, ms->mss_ndn.bv_val, 0 );
              return( -1 );
       }

       if ( dtblsize ) {
              bv.bv_val = buf;
              bv.bv_len = snprintf( buf, sizeof( buf ), "%d", dtblsize );

       } else {
              BER_BVSTR( &bv, "0" );
       }
       attr_merge_one( e, mi->mi_ad_monitorCounter, &bv, NULL );
       
       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;
       mp->mp_flags &= ~MONITOR_F_VOLATILE_CH;

       if ( monitor_cache_add( mi, e ) ) {
              Debug( LDAP_DEBUG_ANY,
                     "monitor_subsys_conn_init: "
                     "unable to add entry \"cn=Total,%s\"\n",
                     ms->mss_ndn.bv_val, 0, 0 );
              return( -1 );
       }

       *ep = e;
       ep = &mp->mp_next;
       
       /*
        * Total conns
        */
       BER_BVSTR( &bv, "cn=Total" );
       e = monitor_entry_stub( &ms->mss_dn, &ms->mss_ndn, &bv,
              mi->mi_oc_monitorCounterObject, mi, NULL, NULL );
       
       if ( e == NULL ) {
              Debug( LDAP_DEBUG_ANY,
                     "monitor_subsys_conn_init: "
                     "unable to create entry \"cn=Total,%s\"\n",
                     ms->mss_ndn.bv_val, 0, 0 );
              return( -1 );
       }
       
       BER_BVSTR( &bv, "-1" );
       attr_merge_one( e, mi->mi_ad_monitorCounter, &bv, NULL );
       
       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;
       mp->mp_flags &= ~MONITOR_F_VOLATILE_CH;

       if ( monitor_cache_add( mi, e ) ) {
              Debug( LDAP_DEBUG_ANY,
                     "monitor_subsys_conn_init: "
                     "unable to add entry \"cn=Total,%s\"\n",
                     ms->mss_ndn.bv_val, 0, 0 );
              return( -1 );
       }

       *ep = e;
       ep = &mp->mp_next;
       
       /*
        * Current conns
        */
       BER_BVSTR( &bv, "cn=Current" );
       e = monitor_entry_stub( &ms->mss_dn, &ms->mss_ndn, &bv,
              mi->mi_oc_monitorCounterObject, mi, NULL, NULL );

       if ( e == NULL ) {
              Debug( LDAP_DEBUG_ANY,
                     "monitor_subsys_conn_init: "
                     "unable to create entry \"cn=Current,%s\"\n",
                     ms->mss_ndn.bv_val, 0, 0 );
              return( -1 );
       }
       
       BER_BVSTR( &bv, "0" );
       attr_merge_one( e, mi->mi_ad_monitorCounter, &bv, NULL );
       
       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;
       mp->mp_flags &= ~MONITOR_F_VOLATILE_CH;

       if ( monitor_cache_add( mi, e ) ) {
              Debug( LDAP_DEBUG_ANY,
                     "monitor_subsys_conn_init: "
                     "unable to add entry \"cn=Current,%s\"\n",
                     ms->mss_ndn.bv_val, 0, 0 );
              return( -1 );
       }
       
       *ep = e;
       ep = &mp->mp_next;

       monitor_cache_release( mi, e_conn );

       return( 0 );
}

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static int monitor_subsys_conn_update ( Operation op,
SlapReply rs,
Entry e 
) [static]

Definition at line 204 of file conn.c.

{
       monitor_info_t       *mi = ( monitor_info_t * )op->o_bd->be_private;

       long                 n = -1;
       static struct berval total_bv = BER_BVC( "cn=total" ),
                            current_bv = BER_BVC( "cn=current" );
       struct berval        rdn;

       assert( mi != NULL );
       assert( e != NULL );

       dnRdn( &e->e_nname, &rdn );
       
       if ( dn_match( &rdn, &total_bv ) ) {
              n = connections_nextid();

       } else if ( dn_match( &rdn, &current_bv ) ) {
              Connection    *c;
              ber_socket_t  connindex;

              for ( n = 0, c = connection_first( &connindex );
                            c != NULL;
                            n++, c = connection_next( c, &connindex ) )
              {
                     /* No Op */ ;
              }
              connection_done( c );
       }

       if ( n != -1 ) {
              Attribute     *a;
              char          buf[LDAP_PVT_INTTYPE_CHARS(long)];
              ber_len_t     len;

              a = attr_find( e->e_attrs, mi->mi_ad_monitorCounter );
              if ( a == NULL ) {
                     return( -1 );
              }

              snprintf( buf, sizeof( buf ), "%ld", n );
              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 );
              }
              a->a_vals[ 0 ].bv_len = len;
              AC_MEMCPY( a->a_vals[ 0 ].bv_val, buf, len + 1 );

              /* FIXME: touch modifyTimestamp? */
       }

       return SLAP_CB_CONTINUE;
}

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