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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.
*
* License: GPL (version 3 or any later version).
* See LICENSE for details.
* END COPYRIGHT BLOCK **/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
/* repl5_replica.c */
#include "repl5.h"
#include "cl5_api.h"
/* global data */
static DataList *root_list;
/*
* Mapping tree node extension management. Node stores replica object
*/
void
multisupplier_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
multisupplier_mtnode_extension_destroy()
{
/* First iterate over the list to free the replica infos */
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
multisupplier_mtnode_construct_replicas()
{
Slapi_DN *root;
int cookie;
Replica *r;
mapping_tree_node *mtnode;
multisupplier_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_err(SLAPI_LOG_REPL, repl_plugin_name,
"multisupplier_mtnode_construct_replicas: "
"failed to locate mapping tree node for %s\n",
slapi_sdn_get_dn(root));
continue;
}
ext = (multisupplier_mtnode_extension *)repl_con_get_ext(REPL_CON_EXT_MTNODE, mtnode);
if (ext == NULL) {
slapi_log_err(SLAPI_LOG_REPL, repl_plugin_name, "multisupplier_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), r) != 0) {
if (ext->replica) {
object_release(ext->replica);
ext->replica = NULL;
}
}
/* Wait a few seconds for everything to startup before resuming any replication tasks */
slapi_eq_once_rel(replica_check_for_tasks, (void *)replica_get_root(r),
slapi_current_rel_time_t() + 5);
}
}
}
void *
multisupplier_mtnode_extension_constructor(void *object, void *parent __attribute__((unused)))
{
mapping_tree_node *node;
const Slapi_DN *root;
multisupplier_mtnode_extension *ext;
ext = (multisupplier_mtnode_extension *)slapi_ch_calloc(1, sizeof(multisupplier_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 != NULL && !slapi_sdn_isempty(root)) {
/* for now just store node root in the root list */
dl_add(root_list, slapi_sdn_dup(root));
}
}
return ext;
}
void
multisupplier_mtnode_extension_destructor(void *ext, void *object __attribute__((unused)), void *parent __attribute__((unused)))
{
if (ext) {
multisupplier_mtnode_extension *mtnode_ext = (multisupplier_mtnode_extension *)ext;
if (mtnode_ext->replica) {
object_release(mtnode_ext->replica);
mtnode_ext->replica = NULL;
}
slapi_ch_free((void **)&ext);
}
}
Replica *
replica_get_replica_from_dn(const Slapi_DN *dn)
{
mapping_tree_node *mtnode;
multisupplier_mtnode_extension *ext;
Replica *r = NULL;
if (dn == NULL)
return NULL;
mtnode = slapi_get_mapping_tree_node_by_dn(dn);
if (mtnode == NULL) {
slapi_log_err(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 = (multisupplier_mtnode_extension *)repl_con_get_ext(REPL_CON_EXT_MTNODE, mtnode);
if (ext == NULL) {
slapi_log_err(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) {
r = (Replica *)object_get_data(ext->replica);
}
return r;
}
Replica *
replica_get_replica_from_root(const char *repl_root)
{
Replica *replica =NULL;
Slapi_DN *repl_sdn = slapi_sdn_new_dn_byval(repl_root);
replica = replica_get_replica_from_dn(repl_sdn);
slapi_sdn_free(&repl_sdn);
return replica;
}
Replica *
replica_get_replica_for_op(Slapi_PBlock *pb)
{
Slapi_DN *sdn = NULL;
Replica *replica = NULL;
if (pb) {
/* get replica generation for this operation */
slapi_pblock_get(pb, SLAPI_TARGET_SDN, &sdn);
if (NULL == sdn) {
goto bail;
}
replica = replica_get_replica_from_dn(sdn);
}
bail:
return replica;
}
Replica *
replica_get_for_backend(const char *be_name)
{
Slapi_Backend *be;
const Slapi_DN *suffix;
be = slapi_be_select_by_instance_name(be_name);
if (NULL == be)
return NULL;
suffix = slapi_be_getsuffix(be, 0);
return replica_get_replica_from_dn(suffix);
}
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