83 lines
3.0 KiB
C
83 lines
3.0 KiB
C
/*
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Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef NDB_LOG_H
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#define NDB_LOG_H
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#include <stdarg.h>
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#include "my_compiler.h"
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// Returns the current verbose level
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unsigned ndb_log_get_verbose_level(void);
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/*
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Write messages to the MySQL Servers error log(s)
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NOTE! Messages will always be prefixed with "NDB:" and
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"NDB <prefix>:" if one of the prefix functions are used
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*/
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void ndb_log_info(const char *fmt, ...) MY_ATTRIBUTE((format(printf, 1, 2)));
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void ndb_log_warning(const char *fmt, ...) MY_ATTRIBUTE((format(printf, 1, 2)));
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void ndb_log_error(const char *fmt, ...) MY_ATTRIBUTE((format(printf, 1, 2)));
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void ndb_log_verbose(unsigned verbose_level, const char *fmt, ...)
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MY_ATTRIBUTE((format(printf, 2, 3)));
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enum ndb_log_loglevel {
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NDB_LOG_ERROR_LEVEL = 0,
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NDB_LOG_WARNING_LEVEL = 1,
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NDB_LOG_INFORMATION_LEVEL = 2
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};
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void ndb_log_print(enum ndb_log_loglevel loglevel, const char *prefix,
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const char *fmt, va_list va_args)
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MY_ATTRIBUTE((format(printf, 3, 0)));
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/*
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@brief Write potentially long message to standard error.
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@note The above ndb_log* functions all have limitations in terms
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of how long messages they can write to the MySQL Server error log.
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When it's necessary to write something which is known to be longer
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than the limit(normally 512 bytes), this function can be used instead.
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@param[in] fmt printf-like format string
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@param[in] ... Variable arguments matching format string
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*/
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void ndb_log_error_dump(const char *fmt, ...)
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MY_ATTRIBUTE((format(printf, 1, 2)));
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/*
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@brief All the logs printed before the error log has been opened are
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buffered and printed later to the right file after the error log has
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been opened. This function flushes out all the buffered logs to the
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stderr. This needs to be called if the ndbcluster plugin exits with an
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error before the error log has been opened.
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*/
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void ndb_log_flush_buffered_messages();
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#endif
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