/*
  This file is part of TALER
  Copyright (C) 2014, 2015, 2016 GNUnet e.V.

  TALER is free software; you can redistribute it and/or modify it under the
  terms of the GNU Affero 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 Affero General Public License for more details.

  You should have received a copy of the GNU Affero General Public License along with
  TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
*/
/**
 * @file sync-httpd_policy.h
 * @brief functions to handle incoming requests on /backup/
 * @author Christian Grothoff
 */
#ifndef SYNC_HTTPD_BACKUP_H
#define SYNC_HTTPD_BACKUP_H
#include <microhttpd.h>

/**
 * Service is shutting down, resume all MHD connections NOW.
 */
void
SH_resume_all_bc (void);


/**
 * Return the current backup of @a account on @a connection
 * using @a default_http_status on success.
 *
 * @param connection MHD connection to use
 * @param account account to query
 * @param default_http_status HTTP status to queue response
 *  with on success (#MHD_HTTP_OK or #MHD_HTTP_CONFLICT)
 * @return MHD result code
 */
MHD_RESULT
SH_return_backup (struct MHD_Connection *connection,
                  const struct SYNC_AccountPublicKeyP *account,
                  unsigned int default_http_status);


/**
 * Handle request on @a connection for retrieval of the latest
 * backup of @a account.
 *
 * @param connection the MHD connection to handle
 * @param account public key of the account the request is for
 * @return MHD result code
 */
MHD_RESULT
SH_backup_get (struct MHD_Connection *connection,
               const struct SYNC_AccountPublicKeyP *account);


/**
 * @param connection the MHD connection to handle
 * @param[in,out] connection_cls the connection's closure (can be updated)
 * @param account public key of the account the request is for
 * @param upload_data upload data
 * @param[in,out] upload_data_size number of bytes (left) in @a upload_data
 * @return MHD result code
 */
MHD_RESULT
SH_backup_post (struct MHD_Connection *connection,
                void **con_cls,
                const struct SYNC_AccountPublicKeyP *account,
                const char *upload_data,
                size_t *upload_data_size);


#endif