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157 lines
3.6 KiB
C
157 lines
3.6 KiB
C
/*
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* libcsync -- a library to sync a directory with another
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*
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* Copyright (c) 2008-2013 by Andreas Schneider <asn@cryptomilk.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; 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 "config_csync.h"
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#include <stdio.h>
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#include <stdarg.h>
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#include <string.h>
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#ifndef _WIN32
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#include <sys/time.h>
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#else
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#include <sys/utime.h>
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#endif
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#include <time.h>
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#include "csync_private.h"
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#include "csync_log.h"
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CSYNC_THREAD int csync_log_level;
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CSYNC_THREAD csync_log_callback csync_log_cb;
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CSYNC_THREAD void *csync_log_userdata;
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static int current_timestring(int hires, char *buf, size_t len)
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{
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char tbuf[64];
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struct timeval tv;
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struct tm *tm;
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time_t t;
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gettimeofday(&tv, NULL);
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t = (time_t) tv.tv_sec;
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tm = localtime(&t);
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if (tm == NULL) {
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return -1;
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}
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if (hires) {
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strftime(tbuf, sizeof(tbuf) - 1, "%Y/%m/%d %H:%M:%S", tm);
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snprintf(buf, len, "%s.%06ld", tbuf, (long) tv.tv_usec);
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} else {
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strftime(tbuf, sizeof(tbuf) - 1, "%Y/%m/%d %H:%M:%S", tm);
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snprintf(buf, len, "%s", tbuf);
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}
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return 0;
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}
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static void csync_log_stderr(int verbosity,
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const char *function,
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const char *buffer)
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{
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char date[64] = {0};
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int rc;
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rc = current_timestring(1, date, sizeof(date));
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if (rc == 0) {
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fprintf(stderr, "[%s, %d] %s:", date+5, verbosity, function);
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} else {
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fprintf(stderr, "[%d] %s", verbosity, function);
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}
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fprintf(stderr, " %s\n", buffer);
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}
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static void csync_log_function(int verbosity,
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const char *function,
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const char *buffer)
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{
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csync_log_callback log_fn = csync_get_log_callback();
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if (log_fn) {
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char buf[1024];
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snprintf(buf, sizeof(buf), "%s: %s", function, buffer);
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log_fn(verbosity,
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function,
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buf,
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csync_get_log_userdata());
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return;
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}
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csync_log_stderr(verbosity, function, buffer);
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}
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void csync_log(int verbosity,
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const char *function,
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const char *format, ...)
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{
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char buffer[1024];
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va_list va;
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if (verbosity <= csync_get_log_level()) {
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va_start(va, format);
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vsnprintf(buffer, sizeof(buffer), format, va);
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va_end(va);
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csync_log_function(verbosity, function, buffer);
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}
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}
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int csync_set_log_level(int level) {
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if (level < 0) {
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return -1;
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}
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csync_log_level = level;
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return 0;
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}
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int csync_get_log_level(void) {
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return csync_log_level;
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}
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int csync_set_log_callback(csync_log_callback cb) {
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if (cb == NULL) {
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return -1;
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}
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csync_log_cb = cb;
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return 0;
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}
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csync_log_callback csync_get_log_callback(void) {
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return csync_log_cb;
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}
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void *csync_get_log_userdata(void)
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{
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return csync_log_userdata;
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}
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int csync_set_log_userdata(void *data)
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{
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csync_log_userdata = data;
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return 0;
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}
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