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/*
* Copyright 2013 Samsung Electronics Co., Ltd
*
* Licensed under the Flora License, Version 1.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://floralicense.org/license/
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <sys/time.h>
#include <errno.h>
#include <string.h>
#include <libgen.h>
#include <sys/types.h>
#include <unistd.h>
#include <dlog.h>
#include <Eina.h>
#include <livebox-errno.h>
#include "conf.h"
#include "debug.h"
#include "util.h"
#include "critical_log.h"
static struct {
FILE *fp;
int file_id;
int nr_of_lines;
char *filename;
} s_info = {
.fp = NULL,
.file_id = 0,
.nr_of_lines = 0,
.filename = NULL,
};
static inline void rotate_log(void)
{
char *filename;
int namelen;
if (s_info.nr_of_lines < MAX_LOG_LINE)
return;
s_info.file_id = (s_info.file_id + 1) % MAX_LOG_FILE;
namelen = strlen(s_info.filename) + strlen(SLAVE_LOG_PATH) + 20;
filename = malloc(namelen);
if (filename) {
snprintf(filename, namelen, "%s/%d_%s", SLAVE_LOG_PATH, s_info.file_id, s_info.filename);
if (s_info.fp)
fclose(s_info.fp);
s_info.fp = fopen(filename, "w+");
if (!s_info.fp)
ErrPrint("Failed to open a file: %s\n", filename);
DbgFree(filename);
}
s_info.nr_of_lines = 0;
}
HAPI int critical_log(const char *func, int line, const char *fmt, ...)
{
va_list ap;
int ret;
struct timeval tv;
if (!s_info.fp)
return LB_STATUS_ERROR_IO;
if (gettimeofday(&tv, NULL) < 0) {
tv.tv_sec = 0;
tv.tv_usec = 0;
}
fprintf(s_info.fp, "%d %lu.%lu [%s:%d] ", getpid(), tv.tv_sec, tv.tv_usec, util_basename((char *)func), line);
va_start(ap, fmt);
ret = vfprintf(s_info.fp, fmt, ap);
va_end(ap);
s_info.nr_of_lines++;
rotate_log();
return ret;
}
HAPI int critical_log_init(const char *name)
{
int namelen;
char *filename;
if (s_info.fp)
return LB_STATUS_SUCCESS;
s_info.filename = strdup(name);
if (!s_info.filename) {
ErrPrint("Failed to create a log file\n");
return LB_STATUS_ERROR_MEMORY;
}
namelen = strlen(name) + strlen(SLAVE_LOG_PATH) + 20;
filename = malloc(namelen);
if (!filename) {
ErrPrint("Failed to create a log file\n");
DbgFree(s_info.filename);
s_info.filename = NULL;
return LB_STATUS_ERROR_MEMORY;
}
snprintf(filename, namelen, "%s/%d_%s", SLAVE_LOG_PATH, s_info.file_id, name);
s_info.fp = fopen(filename, "w+");
if (!s_info.fp) {
ErrPrint("Failed to open log: %s\n", strerror(errno));
DbgFree(s_info.filename);
s_info.filename = NULL;
DbgFree(filename);
return LB_STATUS_ERROR_IO;
}
DbgFree(filename);
return LB_STATUS_SUCCESS;
}
HAPI void critical_log_fini(void)
{
if (s_info.filename) {
DbgFree(s_info.filename);
s_info.filename = NULL;
}
if (s_info.fp) {
fclose(s_info.fp);
s_info.fp = NULL;
}
}
/* End of a file */
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