mirror of
https://github.com/servalproject/serval-dna.git
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91 lines
2.3 KiB
C
91 lines
2.3 KiB
C
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/*
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Serval logging to standard error
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Copyright 2014 Serval Project Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <stdio.h>
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#include <time.h>
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#include <sys/time.h>
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#include "log.h"
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/* An implementation of the Serval logging API that writes directly to standard error
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* using stdio buffered output.
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*/
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static const char *_trimbuildpath(const char *path)
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{
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/* Remove common path prefix */
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int lastsep = 0;
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int i;
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for (i = 0; __FILE__[i] && path[i]; ++i) {
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if (i && path[i - 1] == '/')
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lastsep = i;
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if (__FILE__[i] != path[i])
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break;
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}
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return &path[lastsep];
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}
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void vlogMessage(int level, struct __sourceloc whence, const char *fmt, va_list ap)
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{
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const char *levelstr = "UNKWN:";
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switch (level) {
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case LOG_LEVEL_FATAL:
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levelstr = "FATAL:";
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break;
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case LOG_LEVEL_ERROR:
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levelstr = "ERROR:";
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break;
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case LOG_LEVEL_INFO:
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levelstr = "INFO:";
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break;
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case LOG_LEVEL_WARN:
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levelstr = "WARN:";
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break;
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case LOG_LEVEL_DEBUG:
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levelstr = "DEBUG:";
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break;
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}
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struct timeval tv;
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struct tm tm;
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gettimeofday(&tv, NULL);
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localtime_r(&tv.tv_sec, &tm);
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char buf[50];
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strftime(buf, sizeof buf, "%T", &tm);
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fprintf(stderr, "%s.%03u ", buf, (unsigned int)tv.tv_usec / 1000);
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fprintf(stderr, "%s ", levelstr);
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if (whence.file) {
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fprintf(stderr, "%s", _trimbuildpath(whence.file));
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if (whence.line)
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fprintf(stderr, ":%u", whence.line);
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if (whence.function)
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fprintf(stderr, ":%s()", whence.function);
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fputc(' ', stderr);
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} else if (whence.function) {
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fprintf(stderr, "%s() ", whence.function);
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}
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vfprintf(stderr, fmt, ap);
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fputc('\n', stderr);
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}
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void logFlush()
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{
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fflush(stderr);
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}
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