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Factor out abandon message preparation

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Ondřej Kuzník 2017-11-22 12:59:21 +00:00 committed by Ondřej Kuzník
parent 1790018488
commit 8ba44630ef
2 changed files with 40 additions and 27 deletions
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66
servers/lloadd/operation.c
View file

@ -517,6 +517,38 @@ fail:
return NULL;
}
int
operation_send_abandon( Operation *op )
{
Connection *upstream = op->o_upstream;
BerElement *ber;
int rc = -1;
ldap_pvt_thread_mutex_lock( &upstream->c_io_mutex );
ber = upstream->c_pendingber;
if ( ber == NULL && (ber = ber_alloc()) == NULL ) {
Debug( LDAP_DEBUG_ANY, "operation_send_abandon: "
"ber_alloc failed\n" );
goto done;
}
upstream->c_pendingber = ber;
rc = ber_printf( ber, "t{titi}", LDAP_TAG_MESSAGE,
LDAP_TAG_MSGID, upstream->c_next_msgid++,
LDAP_REQ_ABANDON, op->o_upstream_msgid );
if ( rc < 0 ) {
ber_free( ber, 1 );
upstream->c_pendingber = NULL;
goto done;
}
rc = LDAP_SUCCESS;
done:
ldap_pvt_thread_mutex_unlock( &upstream->c_io_mutex );
return rc;
}
/*
* Will remove the operation from its upstream and if it was still there,
* sends an abandon request.
@ -528,9 +560,8 @@ void
operation_abandon( Operation *op )
{
Connection *c;
BerElement *ber;
Backend *b;
int rc;
int rc = LDAP_SUCCESS;
ldap_pvt_thread_mutex_lock( &op->o_link_mutex );
c = op->o_upstream;
@ -556,30 +587,7 @@ operation_abandon( Operation *op )
b->b_n_ops_executing--;
ldap_pvt_thread_mutex_unlock( &b->b_mutex );
ldap_pvt_thread_mutex_lock( &c->c_io_mutex );
ber = c->c_pendingber;
if ( ber == NULL && (ber = ber_alloc()) == NULL ) {
Debug( LDAP_DEBUG_ANY, "operation_abandon: "
"ber_alloc failed\n" );
ldap_pvt_thread_mutex_unlock( &c->c_io_mutex );
CONNECTION_LOCK_DECREF(c);
goto unlock;
}
c->c_pendingber = ber;
rc = ber_printf( ber, "t{titi}", LDAP_TAG_MESSAGE,
LDAP_TAG_MSGID, c->c_next_msgid++,
LDAP_REQ_ABANDON, op->o_upstream_msgid );
if ( rc == -1 ) {
ber_free( ber, 1 );
c->c_pendingber = NULL;
}
ldap_pvt_thread_mutex_unlock( &c->c_io_mutex );
if ( rc != -1 ) {
if ( operation_send_abandon( op ) == LDAP_SUCCESS ) {
connection_write_cb( -1, 0, c );
}
@ -594,7 +602,11 @@ unlock:
if ( !c->c_live ) {
operation_destroy_from_upstream( op );
}
CONNECTION_UNLOCK_OR_DESTROY(c);
if ( rc ) {
CONNECTION_DESTROY(c);
} else {
CONNECTION_UNLOCK_OR_DESTROY(c);
}
done:
c = op->o_client;

1
servers/lloadd/proto-slap.h
View file

@ -171,6 +171,7 @@ LDAP_SLAPD_F (const char *) slap_msgtype2str( ber_tag_t tag );
LDAP_SLAPD_F (int) operation_upstream_cmp( const void *l, const void *r );
LDAP_SLAPD_F (int) operation_client_cmp( const void *l, const void *r );
LDAP_SLAPD_F (Operation *) operation_init( Connection *c, BerElement *ber );
LDAP_SLAPD_F (int) operation_send_abandon( Operation *op );
LDAP_SLAPD_F (void) operation_abandon( Operation *op );
LDAP_SLAPD_F (void) operation_send_reject( Operation *op, int result, const char *msg, int send_anyway );
LDAP_SLAPD_F (int) operation_send_reject_locked( Operation *op, int result, const char *msg, int send_anyway );