monero/include/INode.h
2015-12-31 08:39:56 +02:00

64 lines
2.4 KiB
C++

// Copyright (c) 2014-2016, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
#pragma once
#include <cstdint>
#include <system_error>
namespace CryptoNote {
class INodeObserver {
public:
virtual void initCompleted(std::error_code result) {}
virtual void peerCountUpdated(size_t count) {}
virtual void lastLocalBlockHeightUpdated(uint64_t height) {}
virtual void lastKnownBlockHeightUpdated(uint64_t height) {}
virtual void blockchainReorganized(uint64_t height) {}
};
class INode {
public:
virtual ~INode() = 0;
virtual void addObserver(INodeObserver* observer) = 0;
virtual void removeObserver(INodeObserver* observer) = 0;
virtual void init() = 0;
virtual void shutdown() = 0;
virtual size_t getPeerCount() = 0;
virtual uint64_t getLastLocalBlockHeight() = 0;
virtual uint64_t getLastKnownBlockHeight() = 0;
};
}