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/* Copyright (c) 2019, Codership Oy. All rights reserved.
*
* 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; version 2 of the License.
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "log.h"
#include <stdio.h> // fprintf(), fflush()
#include <sys/time.h> // gettimeofday()
#include <time.h> // localtime_r()
#include <stdarg.h> // va_start(), va_end()
wsrep_log_level_t node_log_max_level = WSREP_LOG_INFO;
static const char* log_level_str[WSREP_LOG_DEBUG + 2] =
{
"FATAL: ",
"ERROR: ",
" WARN: ",
" INFO: ",
"DEBUG: ",
"XXXXX: "
};
static inline void
log_timestamp_and_log(const char* const prefix, // source of msg
int const severity,
const char* const msg)
{
struct tm date;
struct timeval time;
gettimeofday(&time, NULL);
localtime_r (&time.tv_sec, &date);
FILE* log_file = stderr;
fprintf(log_file,
"%04d-%02d-%02d %02d:%02d:%02d.%03d " /* timestamp fmt */
"[%s] %s%s\n", /* [prefix] severity msg */
date.tm_year + 1900, date.tm_mon + 1, date.tm_mday,
date.tm_hour, date.tm_min, date.tm_sec,
(int)time.tv_usec / 1000,
prefix, log_level_str[severity], msg
);
fflush (log_file);
}
void
node_log_cb(wsrep_log_level_t const severity, const char* const msg)
{
/* REPLICATION: let provider log messages be prefixed with 'wsrep'*/
log_timestamp_and_log("wsrep", severity, msg);
}
void
node_log(wsrep_log_level_t const severity,
const char* const file,
const char* const function,
int const line,
...)
{
va_list ap;
char string[2048];
int max_string = sizeof(string);
char* str = string;
/* provide file:func():line info only if debug logging is on */
if (NODE_DO_LOG_DEBUG) {
int const len = snprintf(str, (size_t)max_string, "%s:%s():%d: ",
file, function, line);
str += len;
max_string -= len;
}
va_start(ap, line);
{
const char* format = va_arg (ap, const char*);
if (max_string > 0 && NULL != format) {
vsnprintf (str, (size_t)max_string, format, ap);
}
}
va_end(ap);
/* actual logging */
log_timestamp_and_log(" node", severity, string);
}
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