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Code

ctdb-common: Add logging utilities

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Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This commit is contained in:
Amitay Isaacs 2015-08-01 22:36:04 +10:00 committed by Amitay Isaacs
parent 1543eedb8f
commit 54da5c6603
3 changed files with 115 additions and 1 deletions
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74
ctdb/common/logging.c Normal file
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@ -0,0 +1,74 @@
/*
Logging utilities
Copyright (C) Amitay Isaacs 2015
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/>.
*/
#include <replace.h>
#include "common/logging.h"
struct {
enum debug_level log_level;
const char *log_string;
} log_string_map[] = {
{ DEBUG_ERR, "ERROR" },
{ DEBUG_WARNING, "WARNING" },
{ DEBUG_NOTICE, "NOTICE" },
{ DEBUG_INFO, "INFO" },
{ DEBUG_DEBUG, "DEBUG" },
};
bool debug_level_parse(const char *log_string, enum debug_level *log_level)
{
int i;
for (i=0; ARRAY_SIZE(log_string_map); i++) {
if (strcasecmp(log_string_map[i].log_string,
log_string) == 0) {
*log_level = log_string_map[i].log_level;
return true;
}
}
return false;
}
const char *debug_level_to_string(enum debug_level log_level)
{
int i;
for (i=0; ARRAY_SIZE(log_string_map); i++) {
if (log_string_map[i].log_level == log_level) {
return log_string_map[i].log_string;
}
}
return "UNKNOWN";
}
enum debug_level debug_level_from_string(const char *log_string)
{
bool found;
enum debug_level log_level;
found = debug_level_parse(log_string, &log_level);
if (found) {
return log_level;
}
/* Default debug level */
return DEBUG_ERR;
}

39
ctdb/common/logging.h Normal file
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/*
Logging utilities
Copyright (C) Amitay Isaacs 2015
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 __CTDB_LOGGING_H__
#define __CTDB_LOGGING_H__
enum debug_level {
DEBUG_ERR = 0,
DEBUG_WARNING = 1,
DEBUG_NOTICE = 2,
DEBUG_INFO = 3,
DEBUG_DEBUG = 4,
};
/* These are used in many places, so define them here to avoid churn */
#define DEBUG_ALERT DEBUG_ERR
#define DEBUG_CRIT DEBUG_ERR
bool debug_level_parse(const char *log_string, enum debug_level *log_level);
const char *debug_level_to_string(enum debug_level log_level);
enum debug_level debug_level_from_string(const char *log_string);
#endif /* __CTDB_LOGGING_H__ */

3
ctdb/wscript
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@ -336,7 +336,8 @@ def build(bld):
bld.SAMBA_SUBSYSTEM('ctdb-util',
source=bld.SUBDIR('common',
'''db_hash.c srvid.c reqid.c
pkt_read.c pkt_write.c comm.c'''),
pkt_read.c pkt_write.c comm.c
logging.c'''),
deps='replace talloc tevent tdb tevent-unix-util')
bld.SAMBA_SUBSYSTEM('ctdb-client',