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Some more txn infrastructure

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This commit is contained in:
Kurt Zeilenga 2006-03-07 08:07:21 +00:00
parent 662051cd16
commit 247536744e
8 changed files with 145 additions and 9 deletions
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30
servers/slapd/back-bdb/add.c
View file

@ -47,6 +47,36 @@ bdb_add(Operation *op, SlapReply *rs )
Debug(LDAP_DEBUG_ARGS, "==> " LDAP_XSTRING(bdb_add) ": %s\n",
op->oq_add.rs_e->e_name.bv_val, 0, 0);
if( op->o_txnSpec ) {
/* acquire connection lock */
ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
if( op->o_conn->c_txn == 0 ) {
rs->sr_text = "invalid transaction identifier";
rs->sr_err = LDAP_X_TXN_ID_INVALID;
goto txnReturn;
}
if( op->o_conn->c_txn_backend == NULL ) {
op->o_conn->c_txn_backend = op->o_bd;
} else if( op->o_conn->c_txn_backend != op->o_bd ) {
rs->sr_text = "transaction cannot span multiple database contexts";
rs->sr_err = LDAP_AFFECTS_MULTIPLE_DSAS;
goto txnReturn;
}
/* insert operation into transaction */
rs->sr_text = "transaction specified";
rs->sr_err = LDAP_SUCCESS;
txnReturn:
/* release connection lock */
ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
send_ldap_result( op, rs );
return rs->sr_err;
}
ctrls[num_ctrls] = 0;
/* add opattrs to shadow as well, only missing attrs will actually

34
servers/slapd/back-bdb/delete.c
View file

@ -52,11 +52,41 @@ bdb_delete( Operation *op, SlapReply *rs )
int parent_is_glue = 0;
int parent_is_leaf = 0;
ctrls[num_ctrls] = 0;
Debug( LDAP_DEBUG_ARGS, "==> " LDAP_XSTRING(bdb_delete) ": %s\n",
op->o_req_dn.bv_val, 0, 0 );
if( op->o_txnSpec ) {
/* acquire connection lock */
ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
if( op->o_conn->c_txn == 0 ) {
rs->sr_text = "invalid transaction identifier";
rs->sr_err = LDAP_X_TXN_ID_INVALID;
goto txnReturn;
}
if( op->o_conn->c_txn_backend == NULL ) {
op->o_conn->c_txn_backend = op->o_bd;
} else if( op->o_conn->c_txn_backend != op->o_bd ) {
rs->sr_text = "transaction cannot span multiple database contexts";
rs->sr_err = LDAP_AFFECTS_MULTIPLE_DSAS;
goto txnReturn;
}
/* insert operation into transaction */
rs->sr_text = "transaction specified";
rs->sr_err = LDAP_SUCCESS;
txnReturn:
/* release connection lock */
ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
send_ldap_result( op, rs );
return rs->sr_err;
}
ctrls[num_ctrls] = 0;
/* allocate CSN */
if ( BER_BVISEMPTY( &op->o_csn )) {
struct berval csn;

9
servers/slapd/back-bdb/init.c
View file

@ -305,10 +305,8 @@ bdb_db_open( BackendDB *be )
#ifdef SLAP_ZONE_ALLOC
if ( bdb->bi_cache.c_maxsize ) {
bdb->bi_cache.c_zctx = slap_zn_mem_create(
SLAP_ZONE_INITSIZE,
SLAP_ZONE_MAXSIZE,
SLAP_ZONE_DELTA,
SLAP_ZONE_SIZE);
SLAP_ZONE_INITSIZE, SLAP_ZONE_MAXSIZE,
SLAP_ZONE_DELTA, SLAP_ZONE_SIZE);
}
#endif
@ -555,6 +553,9 @@ bdb_back_initialize(
LDAP_CONTROL_PAGEDRESULTS,
LDAP_CONTROL_SUBENTRIES,
LDAP_CONTROL_X_PERMISSIVE_MODIFY,
#ifdef LDAP_X_TXN
LDAP_CONTROL_X_TXN_SPEC,
#endif
NULL
};

30
servers/slapd/back-bdb/modify.c
View file

@ -296,6 +296,36 @@ bdb_modify( Operation *op, SlapReply *rs )
Debug( LDAP_DEBUG_ARGS, LDAP_XSTRING(bdb_modify) ": %s\n",
op->o_req_dn.bv_val, 0, 0 );
if( op->o_txnSpec ) {
/* acquire connection lock */
ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
if( op->o_conn->c_txn == 0 ) {
rs->sr_text = "invalid transaction identifier";
rs->sr_err = LDAP_X_TXN_ID_INVALID;
goto txnReturn;
}
if( op->o_conn->c_txn_backend == NULL ) {
op->o_conn->c_txn_backend = op->o_bd;
} else if( op->o_conn->c_txn_backend != op->o_bd ) {
rs->sr_text = "transaction cannot span multiple database contexts";
rs->sr_err = LDAP_AFFECTS_MULTIPLE_DSAS;
goto txnReturn;
}
/* insert operation into transaction */
rs->sr_text = "transaction specified";
rs->sr_err = LDAP_SUCCESS;
txnReturn:
/* release connection lock */
ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
send_ldap_result( op, rs );
return rs->sr_err;
}
ctrls[num_ctrls] = NULL;
slap_mods_opattrs( op, &op->orm_modlist, 1 );

34
servers/slapd/back-bdb/modrdn.c
View file

@ -61,12 +61,42 @@ bdb_modrdn( Operation *op, SlapReply *rs )
int parent_is_glue = 0;
int parent_is_leaf = 0;
ctrls[num_ctrls] = NULL;
Debug( LDAP_DEBUG_TRACE, "==>" LDAP_XSTRING(bdb_modrdn) "(%s,%s,%s)\n",
op->o_req_dn.bv_val,op->oq_modrdn.rs_newrdn.bv_val,
op->oq_modrdn.rs_newSup ? op->oq_modrdn.rs_newSup->bv_val : "NULL" );
if( op->o_txnSpec ) {
/* acquire connection lock */
ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
if( op->o_conn->c_txn == 0 ) {
rs->sr_text = "invalid transaction identifier";
rs->sr_err = LDAP_X_TXN_ID_INVALID;
goto txnReturn;
}
if( op->o_conn->c_txn_backend == NULL ) {
op->o_conn->c_txn_backend = op->o_bd;
} else if( op->o_conn->c_txn_backend != op->o_bd ) {
rs->sr_text = "transaction cannot span multiple database contexts";
rs->sr_err = LDAP_AFFECTS_MULTIPLE_DSAS;
goto txnReturn;
}
/* insert operation into transaction */
rs->sr_text = "transaction specified";
rs->sr_err = LDAP_SUCCESS;
txnReturn:
/* release connection lock */
ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
send_ldap_result( op, rs );
return rs->sr_err;
}
ctrls[num_ctrls] = NULL;
slap_mods_opattrs( op, &op->orr_modlist, 1 );
if( 0 ) {

11
servers/slapd/connection.c
View file

@ -619,6 +619,12 @@ long connection_init(
LDAP_STAILQ_INIT(&c->c_ops);
LDAP_STAILQ_INIT(&c->c_pending_ops);
#ifdef LDAP_X_TXN
c->c_txn = 0;
c->c_txn_backend = NULL;
LDAP_STAILQ_INIT(&c->c_txn_ops);
#endif
BER_BVZERO( &c->c_sasl_bind_mech );
c->c_sasl_done = 0;
c->c_sasl_authctx = NULL;
@ -660,6 +666,11 @@ long connection_init(
assert( BER_BVISNULL( &c->c_peer_name ) );
assert( LDAP_STAILQ_EMPTY(&c->c_ops) );
assert( LDAP_STAILQ_EMPTY(&c->c_pending_ops) );
#ifdef LDAP_X_TXN
assert( c->c_txn == 0 );
assert( c->c_txn_backend == NULL );
assert( LDAP_STAILQ_EMPTY(&c->c_txn_ops) );
#endif
assert( BER_BVISNULL( &c->c_sasl_bind_mech ) );
assert( c->c_sasl_done == 0 );
assert( c->c_sasl_authctx == NULL );

4
servers/slapd/slap.h
View file

@ -2635,7 +2635,9 @@ typedef struct slap_conn {
struct slap_op *c_sasl_bindop; /* set to current op if it's a bind */
#ifdef LDAP_X_TXN
int c_txn; /* in transaction */
int c_txn; /* true if transaction started */
Backend *c_txn_backend;
LDAP_STAILQ_HEAD(c_to, slap_op) c_txn_ops; /* list of operations in txn */
#endif
PagedResultsState c_pagedresults_state; /* paged result state */

2
servers/slapd/txn.c
View file

@ -62,6 +62,7 @@ int txn_start_extop(
goto done;
}
assert( op->o_conn->c_txn_backend == NULL );
++op->o_conn->c_txn;
bv = (struct berval *) ch_malloc( sizeof (struct berval) );
@ -180,6 +181,7 @@ int txn_end_extop(
}
op->o_conn->c_txn = 0;
op->o_conn->c_txn_backend = NULL;
done:
/* release connection lock */