C++ (Cpp) dbt_load_file примеры использования

Пример #1

Файл: dbt_lib.c Проект: Distrotech/opensips

dbt_table_p dbt_db_get_table(dbt_cache_p _dc, const str *_s)
{
	dbt_table_p _tbc = NULL;
	int hash;
	int hashidx;

	if(!_dbt_cachetbl || !_dc || !_s || !_s->s || _s->len<=0)
		return NULL;

	hash = core_hash(&_dc->name, _s, DBT_CACHETBL_SIZE);
	hashidx = hash % DBT_CACHETBL_SIZE;

	lock_get(&_dbt_cachetbl[hashidx].sem);

	_tbc = _dbt_cachetbl[hashidx].dtp;

	while(_tbc)
	{
		if(_tbc->hash==hash && _tbc->dbname.len == _dc->name.len
				&& _tbc->name.len == _s->len
				&& !strncasecmp(_tbc->dbname.s, _dc->name.s, _dc->name.len)
				&& !strncasecmp(_tbc->name.s, _s->s, _s->len))
		{
			/* found - if cache mode or no-change, return */
			if(db_mode==0 || dbt_check_mtime(_s, &(_dc->name), &(_tbc->mt))!=1)
			{
				LM_DBG("cache or mtime succeeded for [%.*s]\n",
						_tbc->name.len, _tbc->name.s);
				return _tbc;
			}
			break;
		}
		_tbc = _tbc->next;
	}

	/* new table */
	if(_tbc) /* free old one */
	{
		dbt_db_del_table(_dc, _s, 0);
	}

	_tbc = dbt_load_file(_s, &(_dc->name));

	if(!_tbc)
	{
		lock_release(&_dbt_cachetbl[hashidx].sem);
		return NULL;
	}

	_tbc->hash = hash;
	_tbc->next = _dbt_cachetbl[hashidx].dtp;
	if(_dbt_cachetbl[hashidx].dtp)
		_dbt_cachetbl[hashidx].dtp->prev = _tbc;

	_dbt_cachetbl[hashidx].dtp = _tbc;

	/* table is locked */
	return _tbc;
}

Пример #2

Файл: dbt_lib.c Проект: miettal/armadillo420_standard

tbl_cache_p dbt_db_get_table(dbt_cache_p _dc, str *_s)
{
//	dbt_db_p _dbp = NULL;
	tbl_cache_p _tbc = NULL;
	dbt_table_p _dtp = NULL;

	if(!_dc || !_s || !_s->s || _s->len<=0)
		return NULL;

	lock_get(&_dc->sem);
	if(!_dc->dbp)
	{
		lock_release(&_dc->sem);
		return NULL;
	}
	
	_tbc = _dc->dbp->tables;
	while(_tbc)
	{
		if(_tbc->dtp)
		{
			lock_get(&_tbc->sem);
			if(_tbc->dtp->name.len == _s->len 
				&& !strncasecmp(_tbc->dtp->name.s, _s->s, _s->len ))
			{
				lock_release(&_tbc->sem);
				lock_release(&_dc->sem);
				return _tbc;
			}
			lock_release(&_tbc->sem);
		}
		_tbc = _tbc->next;
	}

	// new table
	_tbc = tbl_cache_new();
	if(!_tbc)
	{
		lock_release(&_dc->sem);
		return NULL;
	}
	
	_dtp = dbt_load_file(_s, &(_dc->dbp->name));

#ifdef DBT_EXTRA_DEBUG
	DBG("DTB:dbt_db_get_table: ---------------\n");
	dbt_print_table(_dtp, NULL);
#endif

	if(!_dtp)
	{
		lock_release(&_dc->sem);
		return NULL;
	}
	_tbc->dtp = _dtp;
	
	if(_dc->dbp->tables)
		(_dc->dbp->tables)->prev = _tbc;
	_tbc->next = _dc->dbp->tables;
	_dc->dbp->tables = _tbc;
		
	lock_release(&_dc->sem);

	return _tbc;
}