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tl-logger.c
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#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <json.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <glib/gstdio.h>
#include <gio/gio.h>
#include <errno.h>
#include <sys/statvfs.h>
#include "tl-logger.h"
#define TL_LOGGER_STORAGE_BASE_PATH_DEFAULT "/var/lib/tbox/log"
#define TL_LOGGER_LOG_ITEM_HEAD_MAGIC ((const guint8 *)"TLIH")
#define TL_LOGGER_LOG_ITEM_TAIL_MAGIC ((const guint8 *)"TLIT")
#define TL_LOGGER_LOG_SIZE_MAXIUM 8 * 1024 * 1024
#define TL_LOGGER_LOG_PARSE_MAXIUM_SIZE 8 * 1024 * 1024
#define TL_LOGGER_LOG_FREE_SPACE_MINIUM 200UL * 1024 * 1024
#define TL_LOGGER_LOG_FREE_NODE_MINIUM 2048
typedef struct _TLLoggerQueryData
{
gboolean begin_time_set;
gint64 begin_time;
gboolean end_time_set;
gint64 end_time;
TLLoggerQueryResultCallback query_result_cb;
gpointer query_result_user_data;
}TLLoggerQueryData;
typedef struct _TLLoggerData
{
gboolean initialized;
gchar *storage_base_path;
gint64 last_timestamp;
gint64 new_timestamp;
GMutex cached_log_mutex;
GQueue *cached_log_data;
GQueue *write_log_queue;
GList *last_saved_data;
GHashTable *last_log_data;
guint log_update_timeout_id;
GThread *write_thread;
gboolean write_thread_work_flag;
GThread *archive_thread;
gboolean archive_thread_work_flag;
gint archive_thread_wait_countdown;
GThread *query_thread;
gboolean query_thread_work_flag;
GQueue *query_queue;
TLLoggerQueryData *query_working_data;
GMutex query_queue_mutex;
gboolean query_work_flag;
guint log_update_timeout;
}TLLoggerData;
typedef struct _TLLoggerFileStat
{
gchar *name;
guint64 size;
}TLLoggerFileStat;
typedef gboolean (*TLLoggerLogQueryCallback)(TLLoggerData *logger_data,
GByteArray *ba, TLLoggerQueryData *query_data);
static TLLoggerData g_tl_logger_data = {0};
static TLLoggerLogItemData *tl_logger_log_item_data_dup(
TLLoggerLogItemData *data)
{
TLLoggerLogItemData *new_data;
GHashTableIter iter;
gchar *key;
gint64 *value;
if(data==NULL)
{
return NULL;
}
new_data = g_new0(TLLoggerLogItemData, 1);
new_data->name = g_strdup(data->name);
new_data->value = data->value;
new_data->unit = data->unit;
new_data->source = data->source;
new_data->list_parent = g_strdup(data->list_parent);
new_data->list_index = data->list_index;
if(data->list_table!=NULL && data->list_item>0)
{
new_data->list_table = g_hash_table_new_full(g_str_hash,
g_str_equal, g_free, g_free);
g_hash_table_iter_init(&iter, data->list_table);
while(g_hash_table_iter_next(&iter, (gpointer *)&key,
(gpointer *)&value))
{
g_hash_table_replace(new_data->list_table, g_strdup(key),
g_memdup(value, sizeof(gint64)));
}
}
if(data->index_table!=NULL)
{
new_data->index_table = g_hash_table_new_full(g_str_hash,
g_str_equal, g_free, NULL);
g_hash_table_iter_init(&iter, data->index_table);
while(g_hash_table_iter_next(&iter, (gpointer *)&key,
NULL))
{
g_hash_table_add(new_data->index_table, g_strdup(key));
}
}
return new_data;
}
static void tl_logger_log_item_data_free(TLLoggerLogItemData *data)
{
if(data==NULL)
{
return;
}
if(data->name!=NULL)
{
g_free(data->name);
}
if(data->list_parent!=NULL)
{
g_free(data->list_parent);
}
if(data->list_table!=NULL)
{
g_hash_table_unref(data->list_table);
}
if(data->index_table!=NULL)
{
g_hash_table_unref(data->index_table);
}
g_free(data);
}
static void tl_logger_file_stat_free(TLLoggerFileStat *data)
{
if(data==NULL)
{
return;
}
if(data->name!=NULL)
{
g_free(data->name);
}
g_free(data);
}
static int tl_logger_file_stat_compare(const TLLoggerFileStat *a,
const TLLoggerFileStat *b, gpointer user_data)
{
if(a==NULL && b==NULL)
{
return 0;
}
else if(a==NULL)
{
return -1;
}
else if(b==NULL)
{
return 1;
}
return g_strcmp0(a->name, b->name);
}
static inline guint16 tl_logger_crc16_compute(const guchar *data_p,
gsize length)
{
guchar x;
guint16 crc = 0xFFFF;
while(length--)
{
x = crc >> 8 ^ *data_p++;
x ^= x>>4;
crc = (crc << 8) ^ ((guint16)(x << 12)) ^ ((guint16)(x <<5)) ^
((guint16)x);
}
return crc;
}
static gboolean tl_logger_log_query_from_file(TLLoggerData *logger_data,
const gchar *filename, TLLoggerQueryData *query_data,
TLLoggerLogQueryCallback callback)
{
GError *error = NULL;
GFile *input_file;
GZlibDecompressor *decompressor;
GFileInputStream *file_istream;
GInputStream *decompress_istream;
guint8 buffer[4096];
gssize read_size;
GByteArray *parse_array;
guint i;
gboolean ret = TRUE;
guint32 except_len = 0;
guint16 except_crc;
guint16 real_crc;
if(callback==NULL)
{
return FALSE;
}
input_file = g_file_new_for_path(filename);
if(input_file==NULL)
{
return FALSE;
}
file_istream = g_file_read(input_file, NULL, &error);
g_object_unref(input_file);
if(file_istream==NULL)
{
g_warning("TLLogger cannot open input stream from %s: %s", filename,
error->message);
g_clear_error(&error);
return FALSE;
}
decompressor = g_zlib_decompressor_new(G_ZLIB_COMPRESSOR_FORMAT_ZLIB);
decompress_istream = g_converter_input_stream_new(G_INPUT_STREAM(
file_istream), G_CONVERTER(decompressor));
g_object_unref(file_istream);
g_object_unref(decompressor);
parse_array = g_byte_array_new();
while((read_size=g_input_stream_read(decompress_istream, buffer, 4096,
NULL, NULL))>0 && logger_data->query_work_flag)
{
for(i=0;i<read_size;i++)
{
if(parse_array->len<4 &&
buffer[i]==TL_LOGGER_LOG_ITEM_HEAD_MAGIC[parse_array->len])
{
g_byte_array_append(parse_array, buffer + i, 1);
}
else if(parse_array->len>=4)
{
g_byte_array_append(parse_array, buffer + i, 1);
if(except_len==0 && parse_array->len>=6)
{
memcpy(&except_len, parse_array->data + 4, 4);
except_len = g_ntohl(except_len);
}
if(parse_array->len>=14 && parse_array->len==except_len &&
memcmp(parse_array->data + parse_array->len - 4,
TL_LOGGER_LOG_ITEM_TAIL_MAGIC, 4)==0)
{
/* Parse the data */
memcpy(&except_crc, parse_array->data + 8, 2);
except_crc = g_ntohs(except_crc);
real_crc = tl_logger_crc16_compute(parse_array->data + 10,
except_len);
if(except_crc==real_crc)
{
ret = callback(logger_data, parse_array, query_data);
}
else
{
g_warning("TLLogger detected incorrect CRC in "
"log item!");
}
g_byte_array_unref(parse_array);
parse_array = g_byte_array_new();
}
if(parse_array->len > except_len+14 ||
parse_array->len > TL_LOGGER_LOG_PARSE_MAXIUM_SIZE)
{
g_byte_array_unref(parse_array);
parse_array = g_byte_array_new();
}
}
if(!ret)
{
break;
}
}
if(!ret)
{
break;
}
}
g_object_unref(decompress_istream);
g_byte_array_unref(parse_array);
return TRUE;
}
static gboolean tl_logger_log_query_from_cache(TLLoggerData *logger_data,
TLLoggerQueryData *query_data)
{
GList *list_foreach;
GHashTable *log_data, *dup_table;
GHashTableIter iter;
TLLoggerLogItemData *log_item_data, *dup_item_data;
GSList *query_result_list = NULL, *slist_foreach;
g_mutex_lock(&(logger_data->cached_log_mutex));
for(list_foreach=g_queue_peek_head_link(logger_data->cached_log_data);
list_foreach!=NULL;list_foreach=g_list_next(list_foreach))
{
log_data = list_foreach->data;
if(log_data==NULL)
{
continue;
}
log_item_data = g_hash_table_lookup(log_data, "time");
if(log_item_data==NULL)
{
continue;
}
if(query_data->end_time_set && query_data->end_time <
log_item_data->value)
{
break;
}
if(query_data->begin_time_set && query_data->begin_time >
log_item_data->value)
{
continue;
}
dup_table = g_hash_table_new_full(g_str_hash, g_str_equal, NULL,
(GDestroyNotify)tl_logger_log_item_data_free);
g_hash_table_iter_init(&iter, log_data);
while(g_hash_table_iter_next(&iter, NULL, (gpointer *)&log_item_data))
{
if(log_item_data==NULL)
{
continue;
}
dup_item_data = tl_logger_log_item_data_dup(log_item_data);
g_hash_table_replace(dup_table, dup_item_data->name, dup_item_data);
}
query_result_list = g_slist_prepend(query_result_list, dup_table);
}
g_mutex_unlock(&(logger_data->cached_log_mutex));
for(slist_foreach=query_result_list;slist_foreach!=NULL;
slist_foreach=g_slist_next(slist_foreach))
{
dup_table = slist_foreach->data;
if(dup_table==NULL)
{
continue;
}
if(query_data->query_result_cb!=NULL)
{
query_data->query_result_cb(query_data->begin_time_set,
query_data->begin_time, query_data->end_time_set,
query_data->end_time, dup_table,
query_data->query_result_user_data);
}
}
g_slist_free_full(query_result_list, (GDestroyNotify)g_hash_table_unref);
return TRUE;
}
/*
* Log Frame:
* | Head Magic (4B) | Length (4B) | CRC16 (2B) | JSON Data | Tail Magic (4B) |
*
*/
static GByteArray *tl_logger_log_to_file_data(GHashTable *log_data)
{
GByteArray *ba;
GHashTableIter iter, iter2;
TLLoggerLogItemData *item_data;
json_object *root, *child, *item_object, *array, *dict;
const gchar *json_data;
guint32 json_len, belen;
guint16 crc, becrc;
gpointer key;
gint64 *valueptr;
ba = g_byte_array_new();
g_byte_array_append(ba, TL_LOGGER_LOG_ITEM_HEAD_MAGIC, 4);
g_byte_array_append(ba, (const guint8 *)"\0\0\0\0", 4);
g_byte_array_append(ba, (const guint8 *)"\0\0", 2);
root = json_object_new_array();
g_hash_table_iter_init(&iter, log_data);
while(g_hash_table_iter_next(&iter, NULL, (gpointer *)&item_data))
{
item_object = json_object_new_object();
child = json_object_new_string(item_data->name);
json_object_object_add(item_object, "name", child);
child = json_object_new_int64(item_data->value);
json_object_object_add(item_object, "value", child);
child = json_object_new_int(item_data->offset);
json_object_object_add(item_object, "offset", child);
child = json_object_new_double(item_data->unit);
json_object_object_add(item_object, "unit", child);
child = json_object_new_int(item_data->source);
json_object_object_add(item_object, "source", child);
if(item_data->list_item && item_data->index_table!=NULL)
{
child = json_object_new_int(1);
json_object_object_add(item_object, "listindex", child);
array = json_object_new_array();
g_hash_table_iter_init(&iter2, item_data->index_table);
while(g_hash_table_iter_next(&iter2, &key, NULL))
{
child = json_object_new_string((const gchar *)key);
json_object_array_add(array, child);
}
json_object_object_add(item_object, "index", array);
}
if(item_data->list_parent!=NULL && item_data->list_table!=NULL)
{
child = json_object_new_string(item_data->list_parent);
json_object_object_add(item_object, "listparent", child);
dict = json_object_new_object();
g_hash_table_iter_init(&iter2, item_data->list_table);
while(g_hash_table_iter_next(&iter2, &key, (gpointer *)&valueptr))
{
if(valueptr==NULL)
{
continue;
}
child = json_object_new_int64(*valueptr);
json_object_object_add(dict, (const gchar *)key, child);
}
json_object_object_add(item_object, "valuetable", dict);
}
json_object_array_add(root, item_object);
}
json_data = json_object_to_json_string(root);
json_len = strlen(json_data);
g_byte_array_append(ba, (const guint8 *)json_data, json_len);
crc = tl_logger_crc16_compute((const guchar *)json_data, json_len);
json_object_put(root);
belen = g_htonl(json_len);
memcpy(ba->data+4, &belen, 4);
becrc = g_htons(crc);
memcpy(ba->data+8, &becrc, 2);
g_byte_array_append(ba, TL_LOGGER_LOG_ITEM_TAIL_MAGIC, 4);
return ba;
}
static void tl_logger_archives_clear_old(TLLoggerData *logger_data,
guint64 freespace, guint64 freeinodes)
{
GDir *log_dir;
GError *error = NULL;
const gchar *filename;
struct stat statbuf;
TLLoggerFileStat *file_stat;
GSequence *file_sequence;
GSequenceIter *iter;
gchar *fullpath;
log_dir = g_dir_open(logger_data->storage_base_path, 0, &error);
if(error!=NULL)
{
g_warning("TLLogger cannot open log storage directionary: %s",
error->message);
return;
}
file_sequence = g_sequence_new((GDestroyNotify)tl_logger_file_stat_free);
while((filename=g_dir_read_name(log_dir))!=NULL)
{
if(g_str_has_suffix(filename, ".tlz"))
{
fullpath = g_build_filename(logger_data->storage_base_path,
filename, NULL);
if(stat(fullpath, &statbuf)==0)
{
file_stat = g_new0(TLLoggerFileStat, 1);
file_stat->name = fullpath;
file_stat->size = statbuf.st_size;
g_sequence_insert_sorted(file_sequence, file_stat,
(GCompareDataFunc)tl_logger_file_stat_compare,
logger_data);
}
else
{
g_warning("TLLogger cannot stat archived log file %s: %s",
filename, strerror(errno));
g_free(fullpath);
}
}
}
for(iter=g_sequence_get_begin_iter(file_sequence);
!g_sequence_iter_is_end(iter);iter=g_sequence_iter_next(iter))
{
file_stat = g_sequence_get(iter);
if(file_stat==NULL)
{
continue;
}
if(freespace > TL_LOGGER_LOG_FREE_SPACE_MINIUM &&
freeinodes > TL_LOGGER_LOG_FREE_NODE_MINIUM)
{
break;
}
if(g_remove(file_stat->name)==0)
{
freespace += file_stat->size;
freeinodes++;
}
else
{
g_warning("TLLogger failed to remove old archive file %s: %s",
file_stat->name, strerror(errno));
break;
}
}
g_sequence_free(file_sequence);
g_dir_close(log_dir);
}
static gboolean tl_logger_log_archive_compress_file(TLLoggerData *logger_data,
const gchar *file)
{
gboolean ret = TRUE;
GZlibCompressor *compressor;
GFileOutputStream *file_ostream;
GOutputStream *compress_ostream;
GFile *output_file;
gssize write_size;
GError *error = NULL;
FILE *fp;
gchar *tmpname;
gchar buff[4096];
size_t rsize;
gchar *newname;
if(file==NULL)
{
return FALSE;
}
tmpname = g_build_filename(logger_data->storage_base_path, "tlz.tmp",
NULL);
output_file = g_file_new_for_path(tmpname);
if(output_file==NULL)
{
g_free(tmpname);
return FALSE;
}
file_ostream = g_file_replace(output_file, NULL, FALSE,
G_FILE_CREATE_PRIVATE, NULL, &error);
g_object_unref(output_file);
if(file_ostream==NULL)
{
g_warning("TLLogger cannot open output file stream: %s",
error->message);
g_clear_error(&error);
g_free(tmpname);
return FALSE;
}
compressor = g_zlib_compressor_new(G_ZLIB_COMPRESSOR_FORMAT_ZLIB, 5);
compress_ostream = g_converter_output_stream_new(G_OUTPUT_STREAM(
file_ostream), G_CONVERTER(compressor));
g_object_unref(file_ostream);
g_object_unref(compressor);
fp = fopen(file, "r");
if(fp==NULL)
{
g_warning("TLLogger failed to open origin log file for new "
"archived log: %s", strerror(errno));
g_output_stream_close(compress_ostream, NULL, NULL);
g_object_unref(compress_ostream);
return FALSE;
}
while((rsize=fread(buff, 1, 4096, fp))>0)
{
write_size += g_output_stream_write(compress_ostream, buff,
rsize, NULL, &error);
if(error!=NULL)
{
g_warning("TLLogger cannot write archive: %s", error->message);
g_clear_error(&error);
ret = FALSE;
break;
}
}
fclose(fp);
g_output_stream_close(compress_ostream, NULL, &error);
if(error!=NULL)
{
g_warning("TLLogger cannot close archive file stream: %s",
error->message);
g_clear_error(&error);
ret = FALSE;
}
g_object_unref(compress_ostream);
if(ret)
{
newname = g_strdup_printf("%sz", file);
g_rename(tmpname, newname);
g_free(newname);
}
g_free(tmpname);
return ret;
}
static gboolean tl_logger_log_query_file_cb(TLLoggerData *logger_data,
GByteArray *ba, TLLoggerQueryData *query_data)
{
struct json_tokener *tokener;
struct json_object *root = NULL, *node, *child, *array, *dict;
guint array_len, array2_len, i, j;
gboolean ret = TRUE;
gboolean data_completed = TRUE;
const gchar *name, *listparent;
GHashTable *log_table, *index_table, *value_table;
TLLoggerLogItemData *log_item_data;
gint64 log_value;
gint log_source;
gint log_offset;
gdouble log_unit;
gboolean list_index;
gint64 i64value;
gint ivalue;
const gchar *svalue;
struct json_object_iter json_iter;
const gchar *json_data = (const gchar *)ba->data + 10;
guint json_len = ba->len - 14;
tokener = json_tokener_new();
root = json_tokener_parse_ex(tokener, json_data, json_len);
json_tokener_free(tokener);
if(root==NULL)
{
g_warning("TLLogger failed to parse JSON data!");
return FALSE;
}
array_len = json_object_array_length(root);
log_table = g_hash_table_new_full(g_str_hash, g_str_equal, NULL,
(GDestroyNotify)tl_logger_log_item_data_free);
for(i=0;i<array_len;i++)
{
node = json_object_array_get_idx(root, i);
if(node==NULL)
{
continue;
}
json_object_object_get_ex(node, "name", &child);
if(child==NULL)
{
continue;
}
name = json_object_get_string(child);
json_object_object_get_ex(node, "value", &child);
if(child!=NULL)
{
log_value = json_object_get_int64(child);
}
else
{
log_value = 0;
}
json_object_object_get_ex(node, "unit", &child);
if(child!=NULL)
{
log_unit = json_object_get_double(child);
}
else
{
log_unit = 1.0;
}
json_object_object_get_ex(node, "offset", &child);
if(child!=NULL)
{
log_offset = json_object_get_int(child);
}
else
{
log_offset = 0;
}
json_object_object_get_ex(node, "source", &child);
if(child!=NULL)
{
log_source = json_object_get_int(child);
}
else
{
log_source = 0;
}
list_index = FALSE;
value_table = NULL;
index_table = NULL;
json_object_object_get_ex(node, "listindex", &child);
if(child!=NULL)
{
list_index = (json_object_get_int(child)!=0);
array = NULL;
if(list_index)
{
json_object_object_get_ex(node, "index", &array);
if(array==NULL)
{
list_index = FALSE;
}
}
if(list_index)
{
array2_len = json_object_array_length(array);
index_table = g_hash_table_new_full(g_str_hash,
g_str_equal, g_free, NULL);
for(j=0;j<array2_len;j++)
{
child = json_object_array_get_idx(array, j);
if(child==NULL)
{
continue;
}
svalue = json_object_get_string(child);
if(svalue!=NULL)
{
g_hash_table_add(index_table, g_strdup(svalue));
}
}
}
}
listparent = NULL;
dict = NULL;
if(!list_index)
{
json_object_object_get_ex(node, "listparent", &child);
if(child!=NULL)
{
listparent = json_object_get_string(child);
}
}
if(listparent!=NULL)
{
json_object_object_get_ex(node, "valuetable", &dict);
if(dict!=NULL)
{
value_table = g_hash_table_new_full(g_str_hash,
g_str_equal, g_free, g_free);
json_object_object_foreachC(dict, json_iter)
{
if(json_iter.key!=NULL && json_iter.val!=NULL &&
sscanf(json_iter.key, "%u", &ivalue)>0)
{
svalue = json_object_get_string(json_iter.val);
if(svalue!=NULL)
{
g_hash_table_replace(value_table, g_strdup(svalue),
g_memdup(&i64value, sizeof(gint64)));
}
}
}
}
}
if(g_strcmp0(name, "time")==0)
{
log_value = json_object_get_int64(child);
if(query_data->end_time_set && query_data->end_time < log_value)
{
ret = FALSE;
data_completed = FALSE;
break;
}
if(query_data->begin_time_set &&
query_data->begin_time > log_value)
{
data_completed = FALSE;
break;
}
}
log_item_data = g_new0(TLLoggerLogItemData, 1);
log_item_data->name = g_strdup(name);
log_item_data->value = log_value;
log_item_data->source = log_source;
log_item_data->unit = log_unit;
log_item_data->offset = log_offset;
if(list_index && index_table!=NULL)
{
log_item_data->list_index = TRUE;
log_item_data->index_table = index_table;
}
else if(index_table!=NULL)
{
g_hash_table_unref(index_table);
}
if(listparent!=NULL && value_table!=NULL)
{
log_item_data->list_parent = g_strdup(listparent);
log_item_data->list_table = value_table;
}
else if(value_table!=NULL)
{
g_hash_table_unref(value_table);
}
g_hash_table_replace(log_table, log_item_data->name, log_item_data);
}
json_object_put(root);
if(data_completed && !g_hash_table_contains(log_table, "time"))
{
data_completed = FALSE;
}
if(data_completed)
{
if(query_data->query_result_cb!=NULL)
{
query_data->query_result_cb(query_data->begin_time_set,
query_data->begin_time, query_data->end_time_set,
query_data->end_time, log_table,
query_data->query_result_user_data);
}
}
g_hash_table_unref(log_table);
return ret;
}
static gpointer tl_logger_log_query_thread(gpointer user_data)
{
TLLoggerData *logger_data = (TLLoggerData *)user_data;
TLLoggerQueryData *query_data;
GDir *log_dir;
GError *error = NULL;
const gchar *filename;
if(user_data==NULL)
{
return NULL;
}
logger_data->query_thread_work_flag = TRUE;
while(logger_data->query_thread_work_flag)
{
g_mutex_lock(&(logger_data->query_queue_mutex));
query_data = g_queue_pop_head(logger_data->query_queue);
logger_data->query_working_data = query_data;
logger_data->query_work_flag = TRUE;
g_mutex_unlock(&(logger_data->query_queue_mutex));
if(query_data!=NULL)
{
G_STMT_START
{
log_dir = g_dir_open(logger_data->storage_base_path, 0,
&error);
if(error!=NULL)
{
g_warning("TLLogger cannot open log storage "
"directionary: %s", error->message);
break;
}
while(logger_data->query_work_flag &&
(filename=g_dir_read_name(log_dir))!=NULL)
{
if(g_str_has_suffix(filename, ".tlz"))
{
tl_logger_log_query_from_file(logger_data, filename,
query_data, tl_logger_log_query_file_cb);
}
}
}
G_STMT_END;
g_dir_close(log_dir);
tl_logger_log_query_from_cache(logger_data, query_data);
logger_data->query_working_data = NULL;
g_free(query_data);
}
else
{
g_usleep(100000);
}
}
return NULL;
}
static gpointer tl_logger_log_archive_thread(gpointer user_data)
{
TLLoggerData *logger_data = (TLLoggerData *)user_data;
GDir *log_dir;
GError *error = NULL;
const gchar *filename;
gchar *fullpath;
struct statvfs statbuf;
guint64 freespace;
guint64 freeinodes;
if(user_data==NULL)
{
return NULL;
}
log_dir = g_dir_open(logger_data->storage_base_path, 0, &error);
if(error!=NULL)
{
g_warning("TLLogger cannot open log storage directionary: %s",
error->message);
g_clear_error(&error);
return NULL;
}
logger_data->archive_thread_work_flag = TRUE;
while(logger_data->archive_thread_work_flag)