void test_a_db_with_a_connection_with_tables::can_update_blob_attribute_bound_value()
{
	// insert new object
	DB::Statement statement = connection->prepare(
				"insert into object default values");
	CPPUNIT_ASSERT(statement.isValid());
	CPPUNIT_ASSERT(connection->execute(statement));
	long long object_id = connection->lastInsertRowId();
	CPPUNIT_ASSERT(object_id != 0);

	// insert blob attribute
	statement = connection->prepare(
				"insert into attribute_blob (value,type,object_id) values (X'012345',%d,%lld)",
				1236,
				object_id);
	CPPUNIT_ASSERT(statement.isValid());
	CPPUNIT_ASSERT(connection->execute(statement));

	// prepare update blob attribute statement
	statement = connection->prepare(
				"update attribute_blob set value=? where type=%d and object_id=%lld",
				1236,
				object_id);
	CPPUNIT_ASSERT(statement.isValid());

	// bind blob (with embedded zero!) to the parameter
	const char data[] = {10,11,0,12,13,14,15,16};
	std::string msg(data,sizeof(data));
	CPPUNIT_ASSERT(DB::Bindings(statement).bindBlob(1,msg.data(),msg.size(),NULL));

	// update the blob value of the attribute
	CPPUNIT_ASSERT(connection->execute(statement));

	// retrieve the blob value from the attribute
	statement = connection->prepare(
				"select value from attribute_blob as t where t.type=%d and t.object_id=%lld",
				1236,
				object_id);
	CPPUNIT_ASSERT(statement.isValid());
	DB::Result result = connection->perform(statement);
	CPPUNIT_ASSERT(result.isValid());

	// check that the retrieved blob value matches the original data.
	CPPUNIT_ASSERT_EQUAL(result.getFieldLength(1), sizeof(data));
	std::string msgstored((const char *)result.getBinary(1),result.getFieldLength(1));
	CPPUNIT_ASSERT_EQUAL(msg, msgstored);
}
示例#2
0
OSAttribute *DBObject::accessAttribute(CK_ATTRIBUTE_TYPE type)
{
	switch (attributeKind(type))
	{
		case akUnknown:
			return NULL;
		case akBoolean:
		{
			// try to find the attribute in the boolean attribute table
			DB::Statement statement = _connection->prepare(
				"select value from attribute_boolean where type=%lu and object_id=%lld",
				type,
				_objectId);
			if (!statement.isValid())
			{
				return NULL;
			}
			DB::Result result = _connection->perform(statement);
			if (!result.isValid())
			{
				return NULL;
			}
			// Store the attribute in the transaction when it is active.
			std::map<CK_ATTRIBUTE_TYPE,OSAttribute*> *attrs = &_attributes;
			if (_transaction)
				attrs = _transaction;

			bool value = result.getInt(1) != 0;
			std::map<CK_ATTRIBUTE_TYPE,OSAttribute*>::iterator it =	 attrs->find(type);
			OSAttribute *attr;
			if (it != attrs->end())
			{
				if (it->second != NULL)
				{
					delete it->second;
				}

				it->second = new OSAttribute(value);
				attr = it->second;
			}
			else
			{
				attr = new OSAttribute(value);
				(*attrs)[type] = attr;
			}
			return attr;
		}
		case akInteger:
		{
			// try to find the attribute in the integer attribute table
			DB::Statement statement = _connection->prepare(
				"select value from attribute_integer where type=%lu and object_id=%lld",
				type,
				_objectId);
			if (!statement.isValid())
			{
				return NULL;
			}
			DB::Result result = _connection->perform(statement);
			if (!result.isValid())
			{
				return NULL;
			}
			// Store the attribute in the transaction when it is active.
			std::map<CK_ATTRIBUTE_TYPE,OSAttribute*> *attrs = &_attributes;
			if (_transaction)
				attrs = _transaction;

			unsigned long value = result.getULongLong(1);
			std::map<CK_ATTRIBUTE_TYPE,OSAttribute*>::iterator it =	 attrs->find(type);
			OSAttribute *attr;
			if (it != attrs->end())
			{
				if (it->second != NULL)
				{
					delete it->second;
				}

				it->second = new OSAttribute(value);
				attr = it->second;
			}
			else
			{
				attr = new OSAttribute(value);
				(*attrs)[type] = attr;
			}
			return attr;
		}
		case akBinary:
		{
			// try to find the attribute in the binary attribute table
			DB::Statement statement = _connection->prepare(
				"select value from attribute_binary where type=%lu and object_id=%lld",
				type,
				_objectId);
			if (!statement.isValid())
			{
				return NULL;
			}
			DB::Result result = _connection->perform(statement);
			if (!result.isValid())
			{
				return NULL;
			}
			// Store the attribute in the transaction when it is active.
			std::map<CK_ATTRIBUTE_TYPE,OSAttribute*> *attrs = &_attributes;
			if (_transaction)
				attrs = _transaction;

			const unsigned char *value = result.getBinary(1);
			size_t size = result.getFieldLength(1);
			std::map<CK_ATTRIBUTE_TYPE,OSAttribute*>::iterator it =	 attrs->find(type);
			OSAttribute *attr;
			if (it != attrs->end())
			{
				if (it->second != NULL)
				{
					delete it->second;
				}

				it->second = new OSAttribute(ByteString(value,size));
				attr = it->second;
			}
			else
			{
				attr = new OSAttribute(ByteString(value,size));
				(*attrs)[type] = attr;
				return attr;
			}
			return attr;
		}
		case akMechSet:
		{
			// try to find the attribute in the binary attribute table
			DB::Statement statement = _connection->prepare(
					"select value from attribute_binary where type=%lu and object_id=%lld",
					type,
					_objectId);
			if (!statement.isValid())
			{
				return NULL;
			}
			DB::Result result = _connection->perform(statement);
			if (!result.isValid())
			{
				return NULL;
			}
			// Store the attribute in the transaction when it is active.
			std::map<CK_ATTRIBUTE_TYPE,OSAttribute*> *attrs = &_attributes;
			if (_transaction)
				attrs = _transaction;

			const unsigned char *value = result.getBinary(1);
			size_t size = result.getFieldLength(1);

			std::set<CK_MECHANISM_TYPE> set;
			if (!decodeMechanismTypeSet(set, value, size))
			{
				return NULL;
			}

			OSAttribute *attr;
			std::map<CK_ATTRIBUTE_TYPE,OSAttribute*>::iterator it =	 attrs->find(type);
			if (it != attrs->end())
			{
				if (it->second != NULL)
				{
					delete it->second;
				}

				it->second = new OSAttribute(set);
				attr = it->second;
			}
			else
			{
				attr = new OSAttribute(set);
				(*attrs)[type] = attr;
				return attr;
			}
			return attr;
		}
		case akAttrMap:
		{
			// try to find the attribute in the array attribute table
			DB::Statement statement = _connection->prepare(
				"select value from attribute_array where type=%lu and object_id=%lld",
				type,
				_objectId);
			if (!statement.isValid())
			{
				return NULL;
			}
			DB::Result result = _connection->perform(statement);
			if (!result.isValid())
			{
				return NULL;
			}
			// Store the attribute in the transaction when it is active.
			std::map<CK_ATTRIBUTE_TYPE,OSAttribute*> *attrs = &_attributes;
			if (_transaction)
				attrs = _transaction;

			const unsigned char *binary = result.getBinary(1);
			size_t size = result.getFieldLength(1);
			std::map<CK_ATTRIBUTE_TYPE,OSAttribute*>::iterator it =	 attrs->find(type);
			OSAttribute *attr;
			if (it != attrs->end())
			{
				std::map<CK_ATTRIBUTE_TYPE,OSAttribute> value;
				if (!decodeAttributeMap(value,binary,size))
				{
					return NULL;
				}

				if (it->second != NULL)
				{
					delete it->second;
				}

				it->second = new OSAttribute(value);
				attr = it->second;
			}
			else
			{
				std::map<CK_ATTRIBUTE_TYPE,OSAttribute> value;
				if (!decodeAttributeMap(value,binary,size))
				{
					return NULL;
				}
				attr = new OSAttribute(value);
				(*attrs)[type] = attr;
				return attr;
			}
			return attr;
		}
	}

	return NULL;
}