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/*
* Copyright 2013 Samsung Electronics Co., Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.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 <sys/stat.h>
#include <errno.h>
#include <string.h>
#include <libgen.h>
#include <sys/types.h>
#include <unistd.h>
#include <pthread.h>
#include <dlog.h>
#include <Eina.h>
#include <dynamicbox_errno.h>
#include "util.h"
#include "critical_log.h"
#if !defined(SECURE_LOGD)
#define SECURE_LOGD LOGD
#endif
#if !defined(SECURE_LOGW)
#define SECURE_LOGW LOGW
#endif
#if !defined(SECURE_LOGE)
#define SECURE_LOGE LOGE
#endif
#if !defined(DbgPrint)
#define DbgPrint(format, arg...) SECURE_LOGD(format, ##arg)
#endif
#if !defined(ErrPrint)
#define ErrPrint(format, arg...) SECURE_LOGE(format, ##arg)
#endif
#if !defined(WarnPrint)
#define WarnPrint(format, arg...) SECURE_LOGW(format, ##arg)
#endif
#define DbgFree(a) free(a)
#define SLAVE_LOG_PATH "/tmp/.w-home_log/"
#define MAX_LOG_LINE 80
#define MAX_LOG_FILE 3
#define CRITICAL_SECTION_BEGIN(handle) \
do { \
int ret; \
ret = pthread_mutex_lock(handle); \
if (ret != 0) \
ErrPrint("Failed to lock: %s\n", strerror(ret)); \
} while (0)
#define CRITICAL_SECTION_END(handle) \
do { \
int ret; \
ret = pthread_mutex_unlock(handle); \
if (ret != 0) \
ErrPrint("Failed to unlock: %s\n", strerror(ret)); \
} while (0)
static struct {
FILE *fp;
int file_id;
int nr_of_lines;
char *filename;
pthread_mutex_t cri_lock;
} s_info = {
.fp = NULL,
.file_id = 0,
.nr_of_lines = 0,
.filename = NULL,
.cri_lock = PTHREAD_MUTEX_INITIALIZER,
};
static inline void rotate_log(void)
{
char *filename;
int namelen;
if (s_info.nr_of_lines < MAX_LOG_LINE) {
return;
}
if (!s_info.filename) {
return;
}
s_info.file_id = (s_info.file_id + 1) % MAX_LOG_FILE;
namelen = strlen(s_info.filename) + strlen(SLAVE_LOG_PATH) + 30;
filename = malloc(namelen);
if (filename) {
snprintf(filename, namelen, "%s/%d_%s.%d", SLAVE_LOG_PATH, s_info.file_id, s_info.filename, getpid());
if (s_info.fp) {
if (fclose(s_info.fp) != 0) {
ErrPrint("fclose: %s\n", strerror(errno));
}
}
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;
if (!s_info.fp) {
return DBOX_STATUS_ERROR_IO_ERROR;
}
CRITICAL_SECTION_BEGIN(&s_info.cri_lock);
fprintf(s_info.fp, "%lf [%s:%d] ", util_timestamp(), util_basename((char *)func), line);
va_start(ap, fmt);
ret = vfprintf(s_info.fp, fmt, ap);
va_end(ap);
fflush(s_info.fp);
s_info.nr_of_lines++;
rotate_log();
CRITICAL_SECTION_END(&s_info.cri_lock);
return ret;
}
HAPI int critical_log_init(const char *name)
{
int namelen;
char *filename;
if (!name) {
ErrPrint("name is NULL");
return DBOX_STATUS_ERROR_INVALID_PARAMETER;
}
if (mkdir(SLAVE_LOG_PATH, 0755) < 0) {
ErrPrint("mkdir(%s) returns: %s\n", SLAVE_LOG_PATH, strerror(errno));
}
if (s_info.fp) {
return DBOX_STATUS_ERROR_NONE;
}
s_info.filename = strdup(name);
if (!s_info.filename) {
ErrPrint("Failed to create a log file\n");
return DBOX_STATUS_ERROR_OUT_OF_MEMORY;
}
namelen = strlen(name) + strlen(SLAVE_LOG_PATH) + 30;
filename = malloc(namelen);
if (!filename) {
ErrPrint("Failed to create a log file\n");
DbgFree(s_info.filename);
s_info.filename = NULL;
return DBOX_STATUS_ERROR_OUT_OF_MEMORY;
}
snprintf(filename, namelen, "%s/%d_%s.%d", SLAVE_LOG_PATH, s_info.file_id, name, getpid());
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 DBOX_STATUS_ERROR_IO_ERROR;
}
DbgFree(filename);
return DBOX_STATUS_ERROR_NONE;
}
HAPI void critical_log_fini(void)
{
if (s_info.filename) {
DbgFree(s_info.filename);
s_info.filename = NULL;
}
if (s_info.fp) {
if (fclose(s_info.fp) != 0) {
ErrPrint("fclose: %s\n", strerror(errno));
}
s_info.fp = NULL;
}
}
/* End of a file */
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