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experimental fix to callback looping

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This commit is contained in:
Pierangelo Masarati 2006-01-04 21:13:57 +00:00
parent 92b1ad358d
commit 44e3b0b481
1 changed files with 120 additions and 104 deletions
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224
servers/slapd/result.c
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@ -286,6 +286,114 @@ send_ldap_controls( Operation *o, BerElement *ber, LDAPControl **c )
return rc;
}
static int
slap_response_loop(
Operation *op,
SlapReply *rs )
{
int rc;
#ifdef NEW_CB
slap_callback *sc = op->o_callback, **sc_prev;
rc = SLAP_CB_CONTINUE;
for ( sc_prev = ≻ *sc_prev; ) {
slap_callback **sc_next = &(*sc_prev)->sc_next;
op->o_callback = *sc_prev;
if ( op->o_callback->sc_response ) {
rc = op->o_callback->sc_response( op, rs );
if ( op->o_callback == NULL ) {
/* the callback has been removed; repair the list */
*sc_prev = *sc_next;
} else if ( op->o_callback != *sc_prev ) {
/* a new callback has been inserted; repair the list */
*sc_next = op->o_callback;
sc_next = &op->o_callback;
}
if ( rc != SLAP_CB_CONTINUE ) break;
}
sc_prev = sc_next;
}
op->o_callback = sc;
#else /* ! NEW_CB */
slap_callback *sc = op->o_callback, **sc_prev = &sc, *sc_next;
rc = SLAP_CB_CONTINUE;
for ( sc_next = op->o_callback; sc_next; op->o_callback = sc_next) {
sc_next = op->o_callback->sc_next;
if ( op->o_callback->sc_response ) {
slap_callback *sc2 = op->o_callback;
rc = op->o_callback->sc_response( op, rs );
if ( op->o_callback != sc2 ) {
*sc_prev = op->o_callback;
}
if ( rc != SLAP_CB_CONTINUE || !op->o_callback ) break;
if ( op->o_callback != sc2 ) continue;
}
sc_prev = &op->o_callback->sc_next;
}
op->o_callback = sc;
#endif /* ! NEW_CB */
return rc;
}
static int
slap_cleanup_loop(
Operation *op,
SlapReply *rs )
{
#ifdef NEW_CB
slap_callback *sc = op->o_callback, **sc_prev;
for ( sc_prev = ≻ *sc_prev; ) {
slap_callback **sc_next = &(*sc_prev)->sc_next;
op->o_callback = *sc_prev;
if ( op->o_callback->sc_cleanup ) {
(void)op->o_callback->sc_cleanup( op, rs );
if ( op->o_callback == NULL ) {
/* the callback has been removed; repair the list */
*sc_prev = *sc_next;
} else if ( op->o_callback != *sc_prev ) {
/* a new callback has been inserted; repair the list */
*sc_next = op->o_callback;
sc_next = &op->o_callback;
}
/* don't care about the result; do all cleanup */
}
sc_prev = sc_next;
}
op->o_callback = sc;
#else /* ! NEW_CB */
slap_callback *sc = op->o_callback, **sc_prev = &sc, *sc_next;
for ( sc_next = op->o_callback; sc_next; op->o_callback = sc_next) {
sc_next = op->o_callback->sc_next;
if ( op->o_callback->sc_cleanup ) {
slap_callback *sc2 = op->o_callback;
(void)op->o_callback->sc_cleanup( op, rs );
if ( op->o_callback != sc2 ) {
*sc_prev = op->o_callback;
}
if ( !op->o_callback ) break;
if ( op->o_callback != sc2 ) continue;
}
sc_prev = &op->o_callback->sc_next;
}
op->o_callback = sc;
#endif /* ! NEW_CB */
return LDAP_SUCCESS;
}
static int
send_ldap_response(
Operation *op,
@ -302,25 +410,10 @@ send_ldap_response(
}
if ( op->o_callback ) {
slap_callback *sc = op->o_callback, **sc_prev = &sc, *sc_next;
rc = SLAP_CB_CONTINUE;
for ( sc_next = op->o_callback; sc_next; op->o_callback = sc_next) {
sc_next = op->o_callback->sc_next;
if ( op->o_callback->sc_response ) {
slap_callback *sc2 = op->o_callback;
rc = op->o_callback->sc_response( op, rs );
if ( op->o_callback != sc2 ) {
*sc_prev = op->o_callback;
}
if ( rc != SLAP_CB_CONTINUE || !op->o_callback ) break;
if ( op->o_callback != sc2 ) continue;
}
sc_prev = &op->o_callback->sc_next;
rc = slap_response_loop( op, rs );
if ( rc != SLAP_CB_CONTINUE ) {
goto clean2;
}
op->o_callback = sc;
if ( rc != SLAP_CB_CONTINUE ) goto clean2;
}
#ifdef LDAP_CONNECTIONLESS
@ -458,25 +551,9 @@ cleanup:;
clean2:;
if ( op->o_callback ) {
slap_callback *sc = op->o_callback, **sc_prev = &sc, *sc_next;
for ( sc_next = op->o_callback; sc_next; op->o_callback = sc_next) {
sc_next = op->o_callback->sc_next;
if ( op->o_callback->sc_cleanup ) {
slap_callback *sc2 = op->o_callback;
(void)op->o_callback->sc_cleanup( op, rs );
if ( op->o_callback != sc2 ) {
*sc_prev = op->o_callback;
}
if ( !op->o_callback ) break;
if ( op->o_callback != sc2 ) continue;
}
sc_prev = &op->o_callback->sc_next;
}
op->o_callback = sc;
(void)slap_cleanup_loop( op, rs );
}
if ( rs->sr_matched && rs->sr_flags & REP_MATCHED_MUSTBEFREED ) {
free( (char *)rs->sr_matched );
rs->sr_matched = NULL;
@ -715,26 +792,10 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
}
if ( op->o_callback ) {
slap_callback *sc = op->o_callback, **sc_prev = &sc, *sc_next;
rc = SLAP_CB_CONTINUE;
for ( sc_next = op->o_callback; sc_next; op->o_callback = sc_next )
{
sc_next = op->o_callback->sc_next;
if ( op->o_callback->sc_response ) {
slap_callback *sc2 = op->o_callback;
rc = op->o_callback->sc_response( op, rs );
if ( op->o_callback != sc2 ) {
*sc_prev = op->o_callback;
}
if ( rc != SLAP_CB_CONTINUE || !op->o_callback ) break;
if ( op->o_callback != sc2 ) continue;
}
sc_prev = &op->o_callback->sc_next;
rc = slap_response_loop( op, rs );
if ( rc != SLAP_CB_CONTINUE ) {
goto error_return;
}
op->o_callback = sc;
if ( rc != SLAP_CB_CONTINUE ) goto error_return;
}
Debug( LDAP_DEBUG_TRACE, "=> send_search_entry: conn %lu dn=\"%s\"%s\n",
@ -1173,22 +1234,7 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
error_return:;
if ( op->o_callback ) {
slap_callback *sc = op->o_callback, **sc_prev = &sc, *sc_next;
for ( sc_next = op->o_callback; sc_next; op->o_callback = sc_next) {
sc_next = op->o_callback->sc_next;
if ( op->o_callback->sc_cleanup ) {
slap_callback *sc2 = op->o_callback;
(void)op->o_callback->sc_cleanup( op, rs );
if ( op->o_callback != sc2 ) {
*sc_prev = op->o_callback;
}
if ( !op->o_callback ) break;
if ( op->o_callback != sc2 ) continue;
}
sc_prev = &op->o_callback->sc_next;
}
op->o_callback = sc;
(void)slap_cleanup_loop( op, rs );
}
if ( e_flags ) {
@ -1232,25 +1278,10 @@ slap_send_search_reference( Operation *op, SlapReply *rs )
rs->sr_type = REP_SEARCHREF;
if ( op->o_callback ) {
slap_callback *sc = op->o_callback, **sc_prev = &sc, *sc_next;
rc = SLAP_CB_CONTINUE;
for ( sc_next = op->o_callback; sc_next; op->o_callback = sc_next) {
sc_next = op->o_callback->sc_next;
if ( op->o_callback->sc_response ) {
slap_callback *sc2 = op->o_callback;
rc = op->o_callback->sc_response( op, rs );
if ( op->o_callback != sc2 ) {
*sc_prev = op->o_callback;
}
if ( rc != SLAP_CB_CONTINUE || !op->o_callback ) break;
if ( op->o_callback != sc2 ) continue;
}
sc_prev = &op->o_callback->sc_next;
rc = slap_response_loop( op, rs );
if ( rc != SLAP_CB_CONTINUE ) {
goto rel;
}
op->o_callback = sc;
if ( rc != SLAP_CB_CONTINUE ) goto rel;
}
Debug( LDAP_DEBUG_TRACE,
@ -1376,22 +1407,7 @@ slap_send_search_reference( Operation *op, SlapReply *rs )
rel:
if ( op->o_callback ) {
slap_callback *sc = op->o_callback, **sc_prev = &sc, *sc_next;
for ( sc_next = op->o_callback; sc_next; op->o_callback = sc_next) {
sc_next = op->o_callback->sc_next;
if ( op->o_callback->sc_cleanup ) {
slap_callback *sc2 = op->o_callback;
(void)op->o_callback->sc_cleanup( op, rs );
if ( op->o_callback != sc2 ) {
*sc_prev = op->o_callback;
}
if ( rc != SLAP_CB_CONTINUE || !op->o_callback ) break;
if ( op->o_callback != sc2 ) continue;
}
sc_prev = &op->o_callback->sc_next;
}
op->o_callback = sc;
(void)slap_cleanup_loop( op, rs );
}
return rc;