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Diffstat (limited to 'src/libknot/util/error.h')
| -rw-r--r-- | src/libknot/util/error.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/src/libknot/util/error.h b/src/libknot/util/error.h new file mode 100644 index 0000000..da45151 --- /dev/null +++ b/src/libknot/util/error.h @@ -0,0 +1,87 @@ +/*! + * \file error.h + * + * \author Lubos Slovak <lubos.slovak@nic.cz> + * + * \brief Error codes and function for getting error message. + * + * \addtogroup libknot + * @{ + */ +/* 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/>. + */ + +#ifndef _KNOT_ERROR_H_ +#define _KNOT_ERROR_H_ + +#include "common/errors.h" + +/*! \brief Error codes used in the library. */ +enum knot_error { + KNOT_EOK = 0, /*!< OK */ + + /* TSIG errors. */ + KNOT_TSIG_EBADSIG = -16, /*!< Failed to verify TSIG MAC. */ + KNOT_TSIG_EBADKEY = -17, /*!< TSIG key not recognized or invalid. */ + KNOT_TSIG_EBADTIME = -18,/*!< TSIG signing time out of range. */ + + /* General errors. */ + KNOT_ERROR = -10000, /*!< General error. */ + KNOT_ENOMEM, /*!< Not enough memory. */ + KNOT_ENOTSUP, /*!< Operation not supported. */ + KNOT_EAGAIN, /*!< OS lacked necessary resources. */ + KNOT_ERANGE, /*!< Value is out of range. */ + KNOT_EBADARG, /*!< Wrong argument supported. */ + KNOT_EFEWDATA, /*!< Not enough data to parse. */ + KNOT_ESPACE, /*!< Not enough space provided. */ + KNOT_EMALF, /*!< Malformed data. */ + KNOT_ECRYPTO, /*!< Error in crypto library. */ + KNOT_ENSEC3PAR, /*!< Missing or wrong NSEC3PARAM record. */ + KNOT_EBADZONE, /*!< Domain name does not belong to the zone. */ + KNOT_EHASH, /*!< Error in hash table. */ + KNOT_EZONEIN, /*!< Error inserting zone. */ + KNOT_ENOZONE, /*!< No such zone found. */ + KNOT_ENONODE, /*!< No such node in zone found. */ + KNOT_ENORRSET, /*!< No such RRSet found. */ + KNOT_EDNAMEPTR, /*!< Domain name pointer larger than allowed. */ + KNOT_EPAYLOAD, /*!< Payload in OPT RR larger than max wire size. */ + KNOT_ECRC, /*!< Wrong dump CRC. */ + KNOT_EPREREQ, /*!< UPDATE prerequisity not met. */ + KNOT_ENOXFR, /*!< Transfer was not sent. */ + KNOT_ENOIXFR, /*!< Transfer is not IXFR (is in AXFR format). */ + KNOT_EXFRREFUSED, /*!< Zone transfer refused by the server. */ + KNOT_ECONN, /*!< Connection reset. */ + KNOT_ERROR_COUNT = 30 +}; + +/*! \brief Table linking error messages to error codes. */ +extern const error_table_t knot_error_msgs[KNOT_ERROR_COUNT]; + +/*! + * \brief Returns error message for the given error code. + * + * \param code Error code. + * + * \return String containing the error message. + */ +static inline const char *knot_strerror(int code) +{ + return error_to_str((const error_table_t*)knot_error_msgs, code); +} + +#endif /* _KNOT_ERROR_H_ */ + +/*! @} */ |