static BOOL check_head_valid( void )
{
fs_handle_type file;
file = open_log_file();
if( file == FS_NULL_HANDLE )
{
return FALSE;
}
// 로그크기(LOG_SIZE) 동일한지 검사
if( get_value( file, LOG_SIZE_POS, 6 ) != LOG_SIZE )
{
goto _fail;
}
// 로그최대개수(MAX_LOG) 일치하는지 검사
if( get_value( file, MAX_POS, 4 ) != MAX_LOG )
{
goto _fail;
}
pantech_fclose( file );
return TRUE;
_fail:
pantech_fclose( file );
pantech_fremove( LOG_PATH );
return FALSE;
}
static BOOL load_head( LOG_HEADER_T* head )
{
BOOL create = FALSE;
fs_handle_type file;
sys_mkdir(LOG_DIR, 0700);//make directory..
if((file = pantech_fopen( LOG_PATH, O_RDONLY, S_IRUSR | S_IWUSR)) != NULL) {
if( check_head_valid() == FALSE )
{
create = TRUE;
}
pantech_fclose(file);
} else {
create = TRUE;
}
if( create == TRUE )
{
if( create_log_file() == FALSE )
{
return FALSE;
}
}
file = open_log_file();
if( file == FS_NULL_HANDLE )
{
return FALSE;
}
head->first_log_pos_ = get_value( file, FIRST_LOG_POS, 6 ); // FIRST LOG
head->count_ = get_value( file, LOG_COUNT_POS, 4 ); // 로그수
head->head_ = get_value( file, HEAD_POS, 4 ); // head
head->tail_ = get_value( file, TAIL_POS, 4 ); // tail
head->free_head_ = get_value( file, FREE_HEAD_POS, 4 ); // free head
if( head->first_log_pos_ == (UINT32)-1 ||
head->count_ == (UINT32)-1 ||
head->head_ == (UINT32)-1 ||
head->tail_ == (UINT32)-1 ||
head->free_head_ == (UINT32)-1 )
{
goto _fail;
}
if( get_prev_next( file, head ) == FALSE )
{
goto _fail;
}
pantech_fclose( file );
return TRUE;
_fail:
pantech_fclose( file );
return FALSE;
}
int pantech_logfile_save_log( const char* msg )
{
fs_handle_type file;
file = open_log_file();
if( file == FS_NULL_HANDLE )
{
return -1;
}
if( g_head.count_ < MAX_LOG )
{
IDX_T new_idx;
new_idx = add_log( file, &g_head, msg );
if( new_idx == NULL_IDX ) return FALSE;
if( set_value( file, LOG_COUNT_POS, g_head.count_, 4 ) == FALSE ) return FALSE;
if( set_value( file, TAIL_POS, g_head.tail_, 4 ) == FALSE ) return FALSE;
if( set_value( file, FREE_HEAD_POS, g_head.free_head_, 4 ) == FALSE ) return FALSE;
if( set_prev_next( file, &g_head, new_idx ) == FALSE ) return FALSE;
if( g_head.count_ == 1 )
{
if( set_value( file, HEAD_POS, g_head.head_, 4 ) == FALSE ) return FALSE;
}
else
{
if( set_prev_next( file, &g_head, g_head.prev_[ new_idx ] ) == FALSE ) return FALSE;
}
}
else
{
IDX_T idx;
idx = g_head.head_;
g_head.head_ = g_head.next_[ idx ];
g_head.free_head_ = idx;
g_head.next_[ idx ] = NULL_IDX;
g_head.count_--;
if( add_log( file, &g_head, msg ) != idx ) return FALSE;
if( set_value( file, HEAD_POS, g_head.head_, 4 ) == FALSE ) return FALSE;
if( set_value( file, TAIL_POS, g_head.tail_, 4 ) == FALSE ) return FALSE;
if( set_prev_next( file, &g_head, idx ) == FALSE ) return FALSE;
if( set_prev_next( file, &g_head, g_head.prev_[ idx ] ) == FALSE ) return FALSE;
}
pantech_fclose( file );
return 0;
}
static BOOL get_log( IDX_T idx, char* log_buf )
{
fs_handle_type file;
UINT32 pos;
char* iter;
int res;
file = open_log_file();
pos = g_head.first_log_pos_ + (UINT32)idx * ( 82 + 46 + 82 + LOG_SIZE + 2 + 2 );
pantech_fseek( file, SEEK_SET, pos );
res = pantech_fread( file, log_buf, LOG_SIZE );
if( res != LOG_SIZE )
{
pantech_fclose( file );
return FALSE;
}
for( iter = log_buf + LOG_SIZE - 2; *iter == ' '; --iter ) {}
iter[ 1 ] = '\0';
pantech_fclose( file );
return TRUE;
}
static BOOL create_log_file( void )
{
fs_handle_type file;
char buf[ 128 ];
UINT32 size;
int row, col, count;
int a;
UINT32 first_log_pos = 0;
if ((file = pantech_fopen( LOG_PATH, O_CREAT | O_WRONLY | O_TRUNC, S_IRUSR | S_IWUSR)) == NULL) {
printk("Cant open file\n");
return false;
}
pantech_fwrite( file, (char*)TITLE_LINE, sizeof( TITLE_LINE ) - 1);
pantech_fwrite( file, (char*)TITLE_MSG, sizeof( TITLE_MSG ) - 1);
pantech_fwrite( file, (char*)TITLE_SUB_LINE, sizeof( TITLE_SUB_LINE ) - 1);
sprintf( buf, " - 로그크기 : 0x%04X\r\n", (int)LOG_SIZE );
size = strlen( buf );
pantech_fwrite( file, buf, size);
sprintf( buf, " - MAX : 0x%02X\r\n", (int)MAX_LOG );
size = strlen( buf );
pantech_fwrite( file, buf, size);
sprintf( buf, " - FIRST LOG : 0x0000\r\n" );
size = strlen( buf );
pantech_fwrite( file, buf, size);
sprintf( buf, " - 로그수 : 0x00\r\n" );
size = strlen( buf );
pantech_fwrite( file, buf, size);
sprintf( buf, " - head : 0xFF\r\n" );
size = strlen( buf );
pantech_fwrite( file, buf, size);
sprintf( buf, " - tail : 0xFF\r\n" );
size = strlen( buf );
pantech_fwrite( file, buf, size);
sprintf( buf, " - free head : 0x00\r\n" );
size = strlen( buf );
pantech_fwrite( file, buf, size );
buf[ 0 ] = ' ';
buf[ 1 ] = 'F';
buf[ 2 ] = 'F';
for( row = 0, count = 0; TRUE; ++row )
{
char* str;
if( row == 0 )
{ // 123456789012345
str = " - prev/next :";
}
else
{ // 123456789012345
str = " ";
}
pantech_fwrite( file, str, 15);
for( col = 0; col < 12; ++col )
{
if( ++count == MAX_LOG )
{
pantech_fwrite( file, " FFFF", 5);
}
else
{
sprintf( buf + 3, "%02X", count );
pantech_fwrite( file, buf, 5);
}
if( count == MAX_LOG )
{
pantech_fwrite( file, "\r\n", 2);
goto _loop_end;
}
if( col == 11 )
{
pantech_fwrite( file, "\r\n", 2);
}
}
}
_loop_end:
pantech_fwrite( file, (char*)TITLE_LINE, sizeof( TITLE_LINE ) - 1);
pantech_fwrite( file, "\r\n", 2);
for( a = 0; a < MAX_LOG; ++a )
{
sprintf( buf, " 로그 %03d\r\n", a + 1 );
pantech_fwrite( file, "\r\n", 2 );
pantech_fwrite( file, (char*)TITLE_SUB_LINE, sizeof( TITLE_SUB_LINE ) - 1);
pantech_fwrite( file, buf, strlen( buf ));
pantech_fwrite( file, (char*)TITLE_SUB_LINE, sizeof( TITLE_SUB_LINE ) - 1);
if( a == 0 )
{
first_log_pos = pantech_ftell(file);
}
pantech_fwrite( file, g_blank_buf, LOG_SIZE + 2);
}
sprintf( buf, "%04X", (int)first_log_pos );
pantech_fseek( file, SEEK_SET, FIRST_LOG_POS + 2 );
pantech_fwrite( file, buf, 4);
pantech_fclose( file );
return TRUE;
}