81 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C++
		
	
	
			
		
		
	
	
			81 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C++
		
	
	
| /* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
 | |
| 
 | |
|    This program is free software; you can redistribute it and/or modify
 | |
|    it under the terms of the GNU General Public License, version 2.0,
 | |
|    as published by the Free Software Foundation.
 | |
| 
 | |
|    This program is also distributed with certain software (including
 | |
|    but not limited to OpenSSL) that is licensed under separate terms,
 | |
|    as designated in a particular file or component or in included license
 | |
|    documentation.  The authors of MySQL hereby grant you an additional
 | |
|    permission to link the program and your derivative works with the
 | |
|    separately licensed software that they have included with MySQL.
 | |
| 
 | |
|    This program is distributed in the hope that it will be useful,
 | |
|    but WITHOUT ANY WARRANTY; without even the implied warranty of
 | |
|    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 | |
|    GNU General Public License, version 2.0, for more details.
 | |
| 
 | |
|    You should have received a copy of the GNU General Public License
 | |
|    along with this program; if not, write to the Free Software
 | |
|    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */
 | |
| 
 | |
| #include "keys_iterator.h"
 | |
| #include "plugin/keyring/common/keyring.h"
 | |
| 
 | |
| namespace keyring {
 | |
| 
 | |
| /**
 | |
|   Standard Constructor.
 | |
| */
 | |
| Keys_iterator::Keys_iterator(ILogger *logger) : logger(logger) {}
 | |
| 
 | |
| /**
 | |
|   This function initiates the internal pointers to point to
 | |
|   begining of the first element of keys metadata.
 | |
| */
 | |
| void Keys_iterator::init() {
 | |
|   key_metadata_list = keys->get_keys_metadata();
 | |
|   key_metadata_list_iterator = key_metadata_list.begin();
 | |
| }
 | |
| 
 | |
| /**
 | |
|   Call to this function will advance internal pointers point to correct
 | |
|   key data and return the key information. If there is no more keys to
 | |
|   fetch then this function would return NULL.
 | |
| 
 | |
|   @param [out] km                  Refers to the fetched key from backend
 | |
|                                    store. This will be NULL if there is no
 | |
|                                    key to fetch.
 | |
| 
 | |
|   @return 0 Success
 | |
|   @return 1 Failure
 | |
| 
 | |
| */
 | |
| bool Keys_iterator::get_key(Key_metadata **km) {
 | |
|   /* if list is empty */
 | |
|   if (key_metadata_list_iterator == key_metadata_list.end()) {
 | |
|     *km = NULL;
 | |
|     return false;
 | |
|   } else {
 | |
|     std::unique_ptr<Key_metadata> key_meta(new Key_metadata());
 | |
|     key_meta->id = key_metadata_list_iterator->id;
 | |
|     key_meta->user = key_metadata_list_iterator->user;
 | |
|     *km = key_meta.release();
 | |
|   }
 | |
|   key_metadata_list_iterator++;
 | |
|   return false;
 | |
| }
 | |
| 
 | |
| /**
 | |
|   Release all internal pointers.
 | |
| */
 | |
| void Keys_iterator::deinit() {
 | |
|   this->logger = NULL;
 | |
|   this->key_metadata_list.clear();
 | |
| }
 | |
| 
 | |
| Keys_iterator::~Keys_iterator() {}
 | |
| 
 | |
| }  // namespace keyring
 |