mirror of
				https://github.com/ton-blockchain/ton
				synced 2025-03-09 15:40:10 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			42 lines
		
	
	
	
		
			1.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			42 lines
		
	
	
	
		
			1.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
 | |
|     This file is part of TON Blockchain Library.
 | |
| 
 | |
|     TON Blockchain Library is free software: you can redistribute it and/or modify
 | |
|     it under the terms of the GNU Lesser General Public License as published by
 | |
|     the Free Software Foundation, either version 2 of the License, or
 | |
|     (at your option) any later version.
 | |
| 
 | |
|     TON Blockchain Library 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 Lesser General Public License for more details.
 | |
| 
 | |
|     You should have received a copy of the GNU Lesser General Public License
 | |
|     along with TON Blockchain Library.  If not, see <http://www.gnu.org/licenses/>.
 | |
| 
 | |
|     Copyright 2017-2019 Telegram Systems LLP
 | |
| */
 | |
| #pragma once
 | |
| 
 | |
| #include "td/utils/Slice.h"
 | |
| #include "td/utils/Status.h"
 | |
| 
 | |
| namespace td {
 | |
| 
 | |
| class BinlogReaderInterface {
 | |
|  public:
 | |
|   virtual ~BinlogReaderInterface() {
 | |
|   }
 | |
|   // returns error or size
 | |
|   // negative size means reader expects data.size() to be at least -size
 | |
|   // positive size means first size bytes of data are processed and could be skipped
 | |
|   virtual td::Result<td::int64> parse(td::Slice data) = 0;
 | |
| 
 | |
|   // called when all passed slices are invalidated
 | |
|   // Till it is called reader may resue all slices given to it.
 | |
|   // It makes possible to calculate crc32c in larger chunks
 | |
|   // TODO: maybe we should just process all data that we can at once
 | |
|   virtual void flush() {
 | |
|   }
 | |
| };
 | |
| }  // namespace td
 |