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/*
This file is part of TALER
Copyright (C) 2015-2020 Taler Systems SA
TALER 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, or (at your option) any later version.
TALER 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
TALER; see the file COPYING. If not, see
<http://www.gnu.org/licenses/>
*/
/**
* @file lib/exchange_api_management_get_keys.c
* @brief functions to obtain future online keys of the exchange
* @author Christian Grothoff
*/
#include "platform.h"
#include "taler_json_lib.h"
#include <gnunet/gnunet_curl_lib.h>
#include "taler_exchange_service.h"
#include "taler_signatures.h"
/**
* @brief Handle for a GET /management/keys request.
*/
struct TALER_EXCHANGE_ManagementGetKeysHandle
{
/**
* The url for this request.
*/
char *url;
/**
* Handle for the request.
*/
struct GNUNET_CURL_Job *job;
/**
* Function to call with the result.
*/
TALER_EXCHANGE_ManagementGetKeysCallback cb;
/**
* Closure for @a cb.
*/
void *cb_cls;
/**
* Reference to the execution context.
*/
struct GNUNET_CURL_Context *ctx;
};
/**
* Request future keys from the exchange. The obtained information will be
* passed to the @a cb.
*
* @param ctx the context
* @param url HTTP base URL for the exchange
* @param cb function to call with the exchange's future keys result
* @param cb_cls closure for @a cb
* @return the request handle; NULL upon error
*/
struct TALER_EXCHANGE_ManagementGetKeysHandle *
TALER_EXCHANGE_get_management_keys (struct GNUNET_CURL_Context *ctx,
const char *url,
TALER_EXCHANGE_ManagementGetKeysCallback cb,
void *cb_cls);
/**
* Cancel #TALER_EXCHANGE_get_management_keys() operation.
*
* @param gh handle of the operation to cancel
*/
void
TALER_EXCHANGE_get_management_keys_cancel (
struct TALER_EXCHANGE_ManagementGetKeysHandle *gh)
{
if (NULL != gh->job)
{
GNUNET_CURL_job_cancel (gh->job);
gh->job = NULL;
}
GNUNET_free (gh->url);
GNUNET_free (gh);
}
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