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/* Copyright (C) 2011 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
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/>.
*/
/*!
* \file file_loader.h
*
* \author Daniel Salzman <daniel.salzman@nic.cz>
*
* \brief Zone file loader.
*
* \addtogroup zone_scanner
* @{
*/
#ifndef _ZSCANNER__FILE_LOADER_H_
#define _ZSCANNER__FILE_LOADER_H_
#include <stdint.h> // uint32_t
#include "zscanner/scanner.h" // scanner_t
/*! \brief Structure for zone file loader (each included file has one). */
typedef struct {
/*!< File descriptor. */
int fd;
/*!< Zone file name this loader belongs to. */
char *file_name;
/*!< Zone scanner context stucture. */
scanner_t *scanner;
} file_loader_t;
/*!
* \brief Creates file loader structure.
*
* \param file_name Name of file to process.
* \param origin Initial zone origin.
* \param rclass Zone class value.
* \param ttl Initial ttl value.
* \param process_record Processing callback function.
* \param process_error Error callback function.
* \param data Arbitrary data useful in callback functions.
*
* \retval file_loader if success.
* \retval 0 if error.
*/
file_loader_t* file_loader_create(const char *file_name,
const char *origin,
const uint16_t rclass,
const uint32_t ttl,
void (*process_record)(const scanner_t *),
void (*process_error)(const scanner_t *),
void *data);
/*!
* \brief Destroys file loader structure.
*
* \param file_loader File loader structure.
*/
void file_loader_free(file_loader_t *file_loader);
/*!
* \brief Processes zone file.
*
* Launches zone file processing using zone scanner. For each correctly
* recognized record data process_record callback function is called. If any
* syntax error occures, then process_error callback function is called.
*
* \note Zone scanner error code and other information are stored in
* fl.scanner context.
*
* \param file_loader File loader structure.
*
* \retval ZSCANNER_OK if success.
* \retval error_code if error.
*/
int file_loader_process(file_loader_t *file_loader);
#endif // _ZSCANNER__FILE_LOADER_H_
/*! @} */
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