/*
* Reopens a connection after the server has closed it (possibly because of a timeout)
*/
gboolean
gda_ldap_rebind (GdaLdapConnection *cnc, GError **error)
{
g_return_val_if_fail (GDA_IS_LDAP_CONNECTION (cnc), FALSE);
gda_lockable_lock ((GdaLockable*) cnc); /* CNC LOCK */
LdapConnectionData *cdata;
cdata = (LdapConnectionData*) gda_virtual_connection_internal_get_provider_data (GDA_VIRTUAL_CONNECTION (cnc));
if (!cdata) {
gda_lockable_unlock ((GdaLockable*) cnc); /* CNC UNLOCK */
g_warning ("cdata != NULL failed");
return FALSE;
}
GdaServerProviderConnectionData *pcdata;
pcdata = gda_connection_internal_get_provider_data_error ((GdaConnection*) cnc, NULL);
GdaWorker *worker;
worker = gda_worker_ref (gda_connection_internal_get_worker (pcdata));
GMainContext *context;
context = gda_server_provider_get_real_main_context ((GdaConnection *) cnc);
gpointer retval;
gda_worker_do_job (worker, context, 0, &retval, NULL,
(GdaWorkerFunc) worker_gda_ldap_rebind, (gpointer) cdata, NULL, NULL, error);
if (context)
g_main_context_unref (context);
gda_lockable_unlock ((GdaLockable*) cnc); /* CNC UNLOCK */
gda_worker_unref (worker);
return retval ? TRUE : FALSE;
}
/*
* Unbinds the connection if possible (i.e. if cdata->keep_bound_count is 0)
* This allows to avoid keeping the connection to the LDAP server if unused
*/
void
gda_ldap_may_unbind (GdaLdapConnection *cnc)
{
gda_lockable_lock ((GdaLockable*) cnc); /* CNC LOCK */
LdapConnectionData *cdata;
cdata = (LdapConnectionData*) gda_virtual_connection_internal_get_provider_data (GDA_VIRTUAL_CONNECTION (cnc));
if (!cdata || (cdata->keep_bound_count > 0)) {
gda_lockable_unlock ((GdaLockable*) cnc); /* CNC UNLOCK */
return;
}
GdaServerProviderConnectionData *pcdata;
pcdata = gda_connection_internal_get_provider_data_error ((GdaConnection*) cnc, NULL);
GdaWorker *worker;
worker = gda_worker_ref (gda_connection_internal_get_worker (pcdata));
GMainContext *context;
context = gda_server_provider_get_real_main_context ((GdaConnection *) cnc);
gpointer retval;
gda_worker_do_job (worker, context, 0, &retval, NULL,
(GdaWorkerFunc) worker_gda_ldap_may_unbind, (gpointer) cdata, NULL, NULL, NULL);
if (context)
g_main_context_unref (context);
gda_lockable_unlock ((GdaLockable*) cnc); /* CNC UNLOCK */
gda_worker_unref (worker);
}
/*
* Makes sure the connection is opened
*/
gboolean
gda_ldap_ensure_bound (GdaLdapConnection *cnc, GError **error)
{
LdapConnectionData *cdata;
cdata = (LdapConnectionData*) gda_virtual_connection_internal_get_provider_data (GDA_VIRTUAL_CONNECTION (cnc));
if (!cdata)
return FALSE;
else if (cdata->handle)
return TRUE;
return gda_ldap_rebind (cnc, error);
}
/*
* _gda_ldap_get_top_classes
*/
const GSList *
gdaprov_ldap_get_top_classes (GdaLdapConnection *cnc)
{
LdapConnectionData *cdata;
g_return_val_if_fail (GDA_IS_LDAP_CONNECTION (cnc), NULL);
cdata = (LdapConnectionData*) gda_virtual_connection_internal_get_provider_data (GDA_VIRTUAL_CONNECTION (cnc));
if (!cdata)
return NULL;
if (! cdata->classes_hash) {
/* force classes init */
gdaprov_ldap_get_class_info (cnc, "top");
}
return cdata->top_classes;
}
/**
* gdaprov_ldap_get_class_info:
* @cnc: a #GdaLdapConnection (not %NULL)
* @classname: the class name (not %NULL)
*
* Returns: the #GdaLdapClass for @classname, or %NULL
*/
GdaLdapClass *
gdaprov_ldap_get_class_info (GdaLdapConnection *cnc, const gchar *classname)
{
g_return_val_if_fail (GDA_IS_LDAP_CONNECTION (cnc), NULL);
g_return_val_if_fail (classname, NULL);
gda_lockable_lock ((GdaLockable*) cnc); /* CNC LOCK */
LdapConnectionData *cdata;
cdata = (LdapConnectionData*) gda_virtual_connection_internal_get_provider_data (GDA_VIRTUAL_CONNECTION (cnc));
if (!cdata) {
gda_lockable_unlock ((GdaLockable*) cnc); /* CNC UNLOCK */
return NULL;
}
if (cdata->classes_hash) {
gda_lockable_unlock ((GdaLockable*) cnc); /* CNC UNLOCK */
return g_hash_table_lookup (cdata->classes_hash, classname);
}
GdaServerProviderConnectionData *pcdata;
pcdata = gda_connection_internal_get_provider_data_error ((GdaConnection*) cnc, NULL);
GdaWorker *worker;
worker = gda_worker_ref (gda_connection_internal_get_worker (pcdata));
GMainContext *context;
context = gda_server_provider_get_real_main_context ((GdaConnection *) cnc);
WorkerLdapClassInfoData data;
data.cnc = cnc;
data.cdata = cdata;
data.classname = classname;
gda_connection_increase_usage ((GdaConnection*) cnc); /* USAGE ++ */
gpointer retval;
gda_worker_do_job (worker, context, 0, &retval, NULL,
(GdaWorkerFunc) worker_gdaprov_ldap_get_class_info, (gpointer) &data, NULL, NULL, NULL);
if (context)
g_main_context_unref (context);
gda_connection_decrease_usage ((GdaConnection*) cnc); /* USAGE -- */
gda_lockable_unlock ((GdaLockable*) cnc); /* CNC UNLOCK */
gda_worker_unref (worker);
return (GdaLdapClass*) retval;
}
/*
* Server version request
*/
static const gchar *
gda_ldap_provider_get_server_version (GdaServerProvider *provider, GdaConnection *cnc)
{
LdapConnectionData *cdata;
g_return_val_if_fail (GDA_IS_CONNECTION (cnc), NULL);
g_return_val_if_fail (gda_connection_get_provider (cnc) == provider, NULL);
cdata = (LdapConnectionData*) gda_virtual_connection_internal_get_provider_data (GDA_VIRTUAL_CONNECTION (cnc));
if (!cdata)
return FALSE;
if (! cdata->server_version) {
/* FIXME: don't know how to get information about the LDAP server! */
}
return cdata->server_version;
}
GdaLdapEntry *
gdaprov_ldap_describe_entry (GdaLdapConnection *cnc, const gchar *dn, GError **error)
{
g_return_val_if_fail (GDA_IS_LDAP_CONNECTION (cnc), NULL);
g_return_val_if_fail (!dn || (dn && *dn), NULL);
gda_lockable_lock ((GdaLockable*) cnc); /* CNC LOCK */
LdapConnectionData *cdata;
cdata = (LdapConnectionData*) gda_virtual_connection_internal_get_provider_data (GDA_VIRTUAL_CONNECTION (cnc));
if (!cdata) {
gda_lockable_unlock ((GdaLockable*) cnc); /* CNC UNLOCK */
return NULL;
}
GdaServerProviderConnectionData *pcdata;
pcdata = gda_connection_internal_get_provider_data_error ((GdaConnection*) cnc, NULL);
GdaWorker *worker;
worker = gda_worker_ref (gda_connection_internal_get_worker (pcdata));
GMainContext *context;
context = gda_server_provider_get_real_main_context ((GdaConnection *) cnc);
WorkerLdapDescrEntryData data;
data.cnc = cnc;
data.cdata = cdata;
data.dn = dn;
gda_connection_increase_usage ((GdaConnection*) cnc); /* USAGE ++ */
gpointer retval;
gda_worker_do_job (worker, context, 0, &retval, NULL,
(GdaWorkerFunc) worker_gdaprov_ldap_describe_entry, (gpointer) &data, NULL, NULL, error);
if (context)
g_main_context_unref (context);
gda_connection_decrease_usage ((GdaConnection*) cnc); /* USAGE -- */
gda_lockable_unlock ((GdaLockable*) cnc); /* CNC UNLOCK */
gda_worker_unref (worker);
return (GdaLdapEntry*) retval;
}
/*
* Close connection request
*
* In this function, the following _must_ be done:
* - Actually close the connection to the database using @cnc's associated LdapConnectionData structure
* - Free the LdapConnectionData structure and its contents
*
* Returns: TRUE if no error occurred, or FALSE otherwise (and an ERROR connection event must be added to @cnc)
*/
static gboolean
gda_ldap_provider_close_connection (GdaServerProvider *provider, GdaConnection *cnc)
{
LdapConnectionData *cdata;
g_return_val_if_fail (GDA_IS_CONNECTION (cnc), FALSE);
g_return_val_if_fail (gda_connection_get_provider (cnc) == provider, FALSE);
/* Close the connection using the C API */
cdata = (LdapConnectionData*) gda_virtual_connection_internal_get_provider_data (GDA_VIRTUAL_CONNECTION (cnc));
if (!cdata)
return FALSE;
if (cdata->handle) {
ldap_unbind_ext (cdata->handle, NULL, NULL);
cdata->handle = NULL;
}
GdaServerProviderBase *fset;
fset = gda_server_provider_get_impl_functions_for_class (parent_class, GDA_SERVER_PROVIDER_FUNCTIONS_BASE);
return fset->close_connection (provider, cnc);
}
