clixon/lib/clixon/clixon_err.h
Olof hagsand 6f7a33d196 SNMP frontend, new preli table handling code
Skipped data set and use table-helper only
Specialized SNMP error handling
2022-06-26 11:28:42 +02:00

117 lines
4 KiB
C

/*
*
***** BEGIN LICENSE BLOCK *****
Copyright (C) 2009-2016 Olof Hagsand and Benny Holmgren
Copyright (C) 2017-2019 Olof Hagsand
Copyright (C) 2020-2022 Olof Hagsand and Rubicon Communications, LLC(Netgate)
This file is part of CLIXON.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
Alternatively, the contents of this file may be used under the terms of
the GNU General Public License Version 3 or later (the "GPL"),
in which case the provisions of the GPL are applicable instead
of those above. If you wish to allow use of your version of this file only
under the terms of the GPL, and not to allow others to
use your version of this file under the terms of Apache License version 2,
indicate your decision by deleting the provisions above and replace them with
the notice and other provisions required by the GPL. If you do not delete
the provisions above, a recipient may use your version of this file under
the terms of any one of the Apache License version 2 or the GPL.
***** END LICENSE BLOCK *****
*
* Errors may be syslogged using LOG_ERR, and printed to stderr, as controlled by
* clicon_log_init
* global error variables are set:
* clicon_errno, clicon_suberrno, clicon_err_reason.
*/
#ifndef _CLIXON_ERR_H_
#define _CLIXON_ERR_H_
/*
* Constants
*/
#define ERR_STRLEN 256
/* Special error number for clicon_suberrno
* For catching xml parse errors as exceptions
*/
#define XMLPARSE_ERRNO 898943
/*
* Types
* Add error category here,
* @see EV variable in clixon_err.c but must also add an entry there
*/
enum clicon_err{
/* 0 means error not set) */
OE_DB = 1, /* database registries */
OE_DAEMON, /* daemons: pidfiles, etc */
OE_EVENTS, /* events, filedescriptors, timeouts */
OE_CFG, /* configuration */
OE_NETCONF, /* Netconf error */
OE_PROTO, /* config/client communication */
OE_REGEX, /* Regexp error */
OE_UNIX, /* unix/linux syscall error */
OE_SYSLOG, /* syslog error */
OE_ROUTING, /* routing daemon error (eg quagga) */
OE_XML, /* xml parsing */
OE_JSON, /* json parsing */
OE_RESTCONF, /* RESTCONF errors */
OE_PLUGIN, /* plugin loading, etc */
OE_YANG , /* Yang error */
OE_FATAL, /* Fatal error */
OE_UNDEF,
/*-- From here error extensions using clixon_err_cat_reg, XXX register dynamically? --*/
OE_SSL, /* Openssl errors, see eg ssl_get_error */
OE_SNMP , /* Netsnmp error */
OE_NGHTTP2, /* nghttp2 errors, see HAVE_LIBNGHTTP2 */
};
/* Clixon error category log callback
* @param[in] handle Application-specific handle
* @param[in] suberr Application-specific handle
* @param[out] cb Read log/error string into this buffer
*/
typedef int (clixon_cat_log_cb)(void *handle, int suberr, cbuf *cb);
/*
* Variables
* XXX: should not be global
*/
extern int clicon_errno; /* CLICON errors (see clicon_err) */
extern int clicon_suberrno; /* Eg orig errno */
extern char clicon_err_reason[ERR_STRLEN];
/*
* Macros
*/
#define clicon_err(e,s,_fmt, args...) clicon_err_fn(__FUNCTION__, __LINE__, (e), (s), _fmt , ##args)
/*
* Prototypes
*/
int clicon_err_reset(void);
int clicon_err_fn(const char *fn, const int line, int category, int err, const char *format, ...) __attribute__ ((format (printf, 5, 6)));
char *clicon_strerror(int err);
void *clicon_err_save(void);
int clicon_err_restore(void *handle);
int clixon_err_cat_reg(enum clicon_err category, void *handle, clixon_cat_log_cb logfn);
int clixon_err_exit(void);
#endif /* _CLIXON_ERR_H_ */