135 lines
3.3 KiB
C++
135 lines
3.3 KiB
C++
/*
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Copyright (c) 2014, 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 as published by
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the Free Software Foundation; version 2 of the License.
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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 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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#include "ndb_log.h"
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// Use log.h until there is a plugin API which provides printing to error log
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// without polluting the message with it's own hardcoded string and without
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// need to pass in a MYSQL_PLUGIN pointer. Presumably 'my_plugin_log_service'
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// can be extended with a my_log_message(level, prefix, message, ...) function
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#include "log.h"
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/*
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Print message to MySQL Server's error log(s)
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@param loglevel Selects the loglevel used when
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printing the message to log.
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@param prefix Prefix to be used in front of the message in
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addition to "NDB" i.e "NDB <prefix>:"
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@param[in] fmt printf-like format string
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@param[in] ap Arguments
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*/
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void
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ndb_log_print(enum ndb_log_loglevel loglevel,
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const char* prefix, const char* fmt, va_list args)
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{
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DBUG_ASSERT(fmt);
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// Assemble the message
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char msg_buf[512];
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(void)my_vsnprintf(msg_buf, sizeof(msg_buf), fmt, args);
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// Print message to MySQL error log
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switch (loglevel)
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{
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case NDB_LOG_ERROR_LEVEL:
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if (prefix)
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sql_print_error("NDB %s: %s", prefix, msg_buf);
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else
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sql_print_error("NDB: %s", msg_buf);
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break;
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case NDB_LOG_WARNING_LEVEL:
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if (prefix)
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sql_print_warning("NDB %s: %s", prefix, msg_buf);
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else
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sql_print_warning("NDB: %s", msg_buf);
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break;
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case NDB_LOG_INFORMATION_LEVEL:
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if (prefix)
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sql_print_information("NDB %s: %s", prefix, msg_buf);
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else
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sql_print_information("NDB: %s", msg_buf);
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break;
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}
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}
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void
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ndb_log_info(const char* fmt, ...)
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{
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DBUG_ASSERT(fmt);
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va_list args;
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va_start(args, fmt);
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ndb_log_print(NDB_LOG_INFORMATION_LEVEL, NULL, fmt, args);
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va_end(args);
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}
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void
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ndb_log_warning(const char* fmt, ...)
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{
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DBUG_ASSERT(fmt);
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va_list args;
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va_start(args, fmt);
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ndb_log_print(NDB_LOG_WARNING_LEVEL, NULL, fmt, args);
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va_end(args);
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}
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void
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ndb_log_error(const char* fmt, ...)
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{
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DBUG_ASSERT(fmt);
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va_list args;
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va_start(args, fmt);
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ndb_log_print(NDB_LOG_ERROR_LEVEL, NULL, fmt, args);
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va_end(args);
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}
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// the verbose level is currently controlled by "ndb_extra_logging"
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extern ulong opt_ndb_extra_logging;
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unsigned
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ndb_log_get_verbose_level(void)
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{
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return opt_ndb_extra_logging;
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}
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void
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ndb_log_verbose(unsigned verbose_level, const char* fmt, ...)
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{
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DBUG_ASSERT(fmt);
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// Print message only if verbose level is set high enough
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if (ndb_log_get_verbose_level() < verbose_level)
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return;
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va_list args;
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va_start(args, fmt);
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ndb_log_print(NDB_LOG_INFORMATION_LEVEL, NULL, fmt, args);
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va_end(args);
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}
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