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/*
Authors:
Pavel Březina <pbrezina@redhat.com>
Copyright (C) 2016 Red Hat
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <talloc.h>
#include "config.h"
#include "providers/data_provider/dp.h"
#include "providers/data_provider/dp_private.h"
#include "providers/backend.h"
#include "util/util.h"
void _dp_set_method(struct dp_method *methods,
enum dp_methods method,
dp_req_send_fn send_fn,
dp_req_recv_fn recv_fn,
void *method_data,
const char *method_dtype,
const char *request_dtype,
const char *output_dtype,
uint32_t output_size)
{
if (method >= DP_METHOD_SENTINEL) {
DEBUG(SSSDBG_CRIT_FAILURE, "Bug: invalid method %d\n", method);
return;
}
/* Each method can be set only once, if we attempt to set it twice it
* is a bug in module initialization. */
if (methods[method].send_fn != NULL) {
DEBUG(SSSDBG_CRIT_FAILURE, "Bug: method %d is already set!\n", method);
return;
}
if (send_fn == NULL || recv_fn == NULL || method_dtype == NULL
|| request_dtype == NULL || output_dtype == NULL) {
DEBUG(SSSDBG_CRIT_FAILURE, "Bug: one or more required parameter was "
"not provided for method %d\n", method);
return;
}
methods[method].send_fn = send_fn;
methods[method].recv_fn = recv_fn;
methods[method].method_data = method_data;
methods[method].method_dtype = method_dtype;
methods[method].request_dtype = request_dtype;
methods[method].output_dtype = output_dtype;
methods[method].output_size = output_size;
}
bool dp_method_enabled(struct data_provider *provider,
enum dp_targets target,
enum dp_methods method)
{
struct dp_target *dp_target;
if (target >= DP_TARGET_SENTINEL || method >= DP_METHOD_SENTINEL) {
DEBUG(SSSDBG_CRIT_FAILURE, "Bug: Invalid target or method ID\n");
return false;
}
dp_target = provider->targets[target];
if (dp_target == NULL || dp_target->initialized == false) {
DEBUG(SSSDBG_TRACE_FUNC, "Target %s is not configured\n",
dp_target_to_string(target));
return false;
}
if (dp_target->methods[method].send_fn == NULL) {
return false;
}
return true;
}
errno_t dp_find_method(struct data_provider *provider,
enum dp_targets target,
enum dp_methods method,
struct dp_method **_execute)
{
struct dp_method *execute;
if (target >= DP_TARGET_SENTINEL || method >= DP_METHOD_SENTINEL) {
DEBUG(SSSDBG_CRIT_FAILURE, "Bug: Invalid target or method ID\n");
return ERR_INTERNAL;
}
if (!dp_target_initialized(provider->targets, target)) {
DEBUG(SSSDBG_CRIT_FAILURE, "Target [%s] is not initialized\n",
dp_target_to_string(target));
return ERR_MISSING_DP_TARGET;
}
execute = &provider->targets[target]->methods[method];
if (execute->send_fn == NULL || execute->recv_fn == NULL) {
DEBUG(SSSDBG_CRIT_FAILURE,
"Bug: Invalid combination of target [%s] and method [%d]\n",
dp_target_to_string(target), method);
return ERR_INTERNAL;
}
*_execute = execute;
return EOK;
}
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