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/** BEGIN COPYRIGHT BLOCK
* Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
* Copyright (C) 2005 Red Hat, Inc.
* All rights reserved.
* END COPYRIGHT BLOCK **/
/* repl5_replica.c */
#include "repl.h" /* ONREPL - this is bad */
#include "repl5.h"
#include "cl5_api.h"
/* global data */
static DataList *root_list;
/*
* Mapping tree node extension management. Node stores replica object
*/
void
multimaster_mtnode_extension_init ()
{
/* Initialize list that store node roots. It is used during
plugin startup to create replica objects */
root_list = dl_new ();
dl_init (root_list, 0);
}
void
multimaster_mtnode_extension_destroy ()
{
dl_cleanup (root_list, (FREEFN)slapi_sdn_free);
dl_free (&root_list);
}
/* This function loops over the list of node roots, constructing replica objects
where exist */
void
multimaster_mtnode_construct_replicas ()
{
Slapi_DN *root;
int cookie;
Replica *r;
mapping_tree_node *mtnode;
multimaster_mtnode_extension *ext;
for (root = dl_get_first (root_list, &cookie); root;
root = dl_get_next (root_list, &cookie))
{
r = replica_new(root);
if (r)
{
mtnode = slapi_get_mapping_tree_node_by_dn(root);
if (mtnode == NULL)
{
slapi_log_error(SLAPI_LOG_REPL, repl_plugin_name,
"multimaster_mtnode_construct_replicas: "
"failed to locate mapping tree node for %s\n",
slapi_sdn_get_dn (root));
continue;
}
ext = (multimaster_mtnode_extension *)repl_con_get_ext (REPL_CON_EXT_MTNODE, mtnode);
if (ext == NULL)
{
slapi_log_error(SLAPI_LOG_REPL, repl_plugin_name, "multimaster_mtnode_construct_replicas: "
"failed to locate replication extension of mapping tree node for %s\n",
slapi_sdn_get_dn (root));
continue;
}
ext->replica = object_new(r, replica_destroy);
if (replica_add_by_name (replica_get_name (r), ext->replica) != 0)
{
object_release (ext->replica);
ext->replica = NULL;
}
}
}
}
void *
multimaster_mtnode_extension_constructor (void *object, void *parent)
{
mapping_tree_node *node;
const Slapi_DN *root;
multimaster_mtnode_extension *ext;
ext = (multimaster_mtnode_extension *)slapi_ch_calloc (1, sizeof (multimaster_mtnode_extension));
node = (mapping_tree_node *)object;
/* replica can be attached only to local public data */
if (slapi_mapping_tree_node_is_set (node, SLAPI_MTN_LOCAL) &&
!slapi_mapping_tree_node_is_set (node, SLAPI_MTN_PRIVATE))
{
root = slapi_get_mapping_tree_node_root (node);
/* ONREPL - we don't create replica object here because
we can't fully initialize replica here since backends
are not yet started. Instead, replica objects are created
during replication plugin startup */
if (root)
{
/* for now just store node root in the root list */
dl_add (root_list, slapi_sdn_dup (root));
}
}
return ext;
}
void
multimaster_mtnode_extension_destructor (void* ext, void *object, void *parent)
{
if (ext)
{
multimaster_mtnode_extension *mtnode_ext = (multimaster_mtnode_extension *)ext;
if (mtnode_ext->replica)
{
object_release (mtnode_ext->replica);
mtnode_ext->replica = NULL;
}
}
}
Object *
replica_get_replica_from_dn (const Slapi_DN *dn)
{
mapping_tree_node *mtnode;
multimaster_mtnode_extension *ext;
if (dn == NULL)
return NULL;
mtnode = slapi_get_mapping_tree_node_by_dn(dn);
if (mtnode == NULL)
{
slapi_log_error(SLAPI_LOG_REPL, repl_plugin_name, "replica_get_replica_from_dn: "
"failed to locate mapping tree node for %s\n",
slapi_sdn_get_dn (dn));
return NULL;
}
ext = (multimaster_mtnode_extension *)repl_con_get_ext (REPL_CON_EXT_MTNODE, mtnode);
if (ext == NULL)
{
slapi_log_error(SLAPI_LOG_REPL, repl_plugin_name, "replica_get_replica_from_dn: "
"failed to locate replication extension of mapping tree node for %s\n",
slapi_sdn_get_dn (dn));
return NULL;
}
if (ext->replica)
object_acquire (ext->replica);
return ext->replica;
}
Object *replica_get_replica_for_op (Slapi_PBlock *pb)
{
char *dn;
Slapi_DN *sdn;
Object *repl_obj = NULL;
if (pb)
{
/* get replica generation for this operation */
slapi_pblock_get (pb, SLAPI_TARGET_DN, &dn);
sdn = slapi_sdn_new_dn_byref(dn);
repl_obj = replica_get_replica_from_dn (sdn);
slapi_sdn_free (&sdn);
}
return repl_obj;
}
Object *replica_get_for_backend (const char *be_name)
{
Slapi_Backend *be;
const Slapi_DN *suffix;
Object *r_obj;
be = slapi_be_select_by_instance_name(be_name);
if (NULL == be)
return NULL;
suffix = slapi_be_getsuffix(be, 0);
r_obj = replica_get_replica_from_dn (suffix);
return r_obj;
}
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