/* protected by req_mutex */
void
ldap_free_request( LDAP *ld, LDAPRequest *lr )
{
LDAP_ASSERT_MUTEX_OWNER( &ld->ld_req_mutex );
Debug( LDAP_DEBUG_TRACE, "ldap_free_request (origid %d, msgid %d)\n",
lr->lr_origid, lr->lr_msgid, 0 );
/* free all referrals (child requests) */
while ( lr->lr_child ) {
ldap_free_request( ld, lr->lr_child );
}
if ( lr->lr_parent != NULL ) {
LDAPRequest **lrp;
--lr->lr_parent->lr_outrefcnt;
for ( lrp = &lr->lr_parent->lr_child;
*lrp && *lrp != lr;
lrp = &(*lrp)->lr_refnext );
if ( *lrp == lr ) {
*lrp = lr->lr_refnext;
}
}
ldap_free_request_int( ld, lr );
}
/* protected by req_mutex */
void
ldap_return_request( LDAP *ld, LDAPRequest *lrx, int freeit )
{
LDAPRequest *lr;
for ( lr = ld->ld_requests; lr != NULL; lr = lr->lr_next ) {
if ( lr == lrx ) {
if ( lr->lr_refcnt > 0 ) {
lr->lr_refcnt--;
} else if ( lr->lr_refcnt < 0 ) {
lr->lr_refcnt++;
if ( lr->lr_refcnt == 0 ) {
lr = NULL;
}
}
break;
}
}
if ( lr == NULL ) {
ldap_free_request_int( ld, lrx );
} else if ( freeit ) {
ldap_free_request( ld, lrx );
}
}
void
ldap_return_request( LDAP *ld, LDAPRequest *lrx, int freeit )
{
LDAPRequest *lr;
#ifdef LDAP_R_COMPILE
ldap_pvt_thread_mutex_lock( &ld->ld_req_mutex );
#endif
for ( lr = ld->ld_requests; lr != NULL; lr = lr->lr_next ) {
if ( lr == lrx ) {
if ( lr->lr_refcnt > 0 ) {
lr->lr_refcnt--;
} else if ( lr->lr_refcnt < 0 ) {
lr->lr_refcnt++;
if ( lr->lr_refcnt == 0 ) {
lr = NULL;
}
}
break;
}
}
if ( lr == NULL ) {
ldap_free_request_int( ld, lrx );
} else if ( freeit ) {
ldap_free_request( ld, lrx );
}
#ifdef LDAP_R_COMPILE
ldap_pvt_thread_mutex_unlock( &ld->ld_req_mutex );
#endif
}
/* protected by ld_conn_mutex */
void
ldap_free_connection( LDAP *ld, LDAPConn *lc, int force, int unbind )
{
LDAPConn *tmplc, *prevlc;
LDAP_ASSERT_MUTEX_OWNER( &ld->ld_conn_mutex );
Debug( LDAP_DEBUG_TRACE,
"ldap_free_connection %d %d\n",
force, unbind, 0 );
if ( force || --lc->lconn_refcnt <= 0 ) {
/* remove from connections list first */
for ( prevlc = NULL, tmplc = ld->ld_conns;
tmplc != NULL;
tmplc = tmplc->lconn_next )
{
if ( tmplc == lc ) {
if ( prevlc == NULL ) {
ld->ld_conns = tmplc->lconn_next;
} else {
prevlc->lconn_next = tmplc->lconn_next;
}
if ( ld->ld_defconn == lc ) {
ld->ld_defconn = NULL;
}
break;
}
prevlc = tmplc;
}
/* process connection callbacks */
{
struct ldapoptions *lo;
ldaplist *ll;
ldap_conncb *cb;
lo = &ld->ld_options;
LDAP_MUTEX_LOCK( &lo->ldo_mutex );
if ( lo->ldo_conn_cbs ) {
for ( ll=lo->ldo_conn_cbs; ll; ll=ll->ll_next ) {
cb = ll->ll_data;
cb->lc_del( ld, lc->lconn_sb, cb );
}
}
LDAP_MUTEX_UNLOCK( &lo->ldo_mutex );
lo = LDAP_INT_GLOBAL_OPT();
LDAP_MUTEX_LOCK( &lo->ldo_mutex );
if ( lo->ldo_conn_cbs ) {
for ( ll=lo->ldo_conn_cbs; ll; ll=ll->ll_next ) {
cb = ll->ll_data;
cb->lc_del( ld, lc->lconn_sb, cb );
}
}
LDAP_MUTEX_UNLOCK( &lo->ldo_mutex );
}
if ( lc->lconn_status == LDAP_CONNST_CONNECTED ) {
ldap_mark_select_clear( ld, lc->lconn_sb );
if ( unbind ) {
ldap_send_unbind( ld, lc->lconn_sb,
NULL, NULL );
}
}
if ( lc->lconn_ber != NULL ) {
ber_free( lc->lconn_ber, 1 );
}
ldap_int_sasl_close( ld, lc );
#ifdef HAVE_GSSAPI
ldap_int_gssapi_close( ld, lc );
#endif
ldap_free_urllist( lc->lconn_server );
/* FIXME: is this at all possible?
* ldap_ld_free() in unbind.c calls ldap_free_connection()
* with force == 1 __after__ explicitly calling
* ldap_free_request() on all requests */
if ( force ) {
LDAPRequest *lr;
for ( lr = ld->ld_requests; lr; ) {
LDAPRequest *lr_next = lr->lr_next;
if ( lr->lr_conn == lc ) {
ldap_free_request_int( ld, lr );
}
lr = lr_next;
}
}
if ( lc->lconn_sb != ld->ld_sb ) {
ber_sockbuf_free( lc->lconn_sb );
} else {
ber_int_sb_close( lc->lconn_sb );
}
if ( lc->lconn_rebind_queue != NULL) {
int i;
for( i = 0; lc->lconn_rebind_queue[i] != NULL; i++ ) {
LDAP_VFREE( lc->lconn_rebind_queue[i] );
}
LDAP_FREE( lc->lconn_rebind_queue );
}
LDAP_FREE( lc );
Debug( LDAP_DEBUG_TRACE,
"ldap_free_connection: actually freed\n",
0, 0, 0 );
} else {
lc->lconn_lastused = time( NULL );
Debug( LDAP_DEBUG_TRACE, "ldap_free_connection: refcnt %d\n",
lc->lconn_refcnt, 0, 0 );
}
}
