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/// @file
/// @author rfree (current maintainer/user in monero.cc project - most of code is from CryptoNote)
/// @brief This is the orginal cryptonote protocol network-events handler, modified by us
// 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 <boost/program_options/variables_map.hpp>
#include <string>
#include <ctime>
#include "storages/levin_abstract_invoke2.h"
#include "warnings.h"
#include "cryptonote_protocol_defs.h"
#include "cryptonote_protocol_handler_common.h"
#include "cryptonote_core/connection_context.h"
#include "cryptonote_core/cryptonote_stat_info.h"
#include "cryptonote_core/verification_context.h"
// #include <netinet/in.h>
#include <boost/circular_buffer.hpp>
PUSH_WARNINGS
DISABLE_VS_WARNINGS(4355)
#define LOCALHOST_INT 2130706433
namespace cryptonote
{
class cryptonote_protocol_handler_base_pimpl;
class cryptonote_protocol_handler_base {
private:
std::unique_ptr<cryptonote_protocol_handler_base_pimpl> mI;
public:
cryptonote_protocol_handler_base();
virtual ~cryptonote_protocol_handler_base();
void handler_request_blocks_history(std::list<crypto::hash>& ids); // before asking for list of objects, we can change the list still
void handler_response_blocks_now(size_t packet_size);
virtual double get_avg_block_size() = 0;
virtual double estimate_one_block_size() noexcept; // for estimating size of blocks to download
virtual std::ofstream& get_logreq() const =0;
};
template<class t_core>
class t_cryptonote_protocol_handler: public i_cryptonote_protocol, cryptonote_protocol_handler_base
{
public:
typedef cryptonote_connection_context connection_context;
typedef core_stat_info stat_info;
typedef t_cryptonote_protocol_handler<t_core> cryptonote_protocol_handler;
typedef CORE_SYNC_DATA payload_type;
t_cryptonote_protocol_handler(t_core& rcore, nodetool::i_p2p_endpoint<connection_context>* p_net_layout);
BEGIN_INVOKE_MAP2(cryptonote_protocol_handler)
HANDLE_NOTIFY_T2(NOTIFY_NEW_BLOCK, &cryptonote_protocol_handler::handle_notify_new_block)
HANDLE_NOTIFY_T2(NOTIFY_NEW_TRANSACTIONS, &cryptonote_protocol_handler::handle_notify_new_transactions)
HANDLE_NOTIFY_T2(NOTIFY_REQUEST_GET_OBJECTS, &cryptonote_protocol_handler::handle_request_get_objects)
HANDLE_NOTIFY_T2(NOTIFY_RESPONSE_GET_OBJECTS, &cryptonote_protocol_handler::handle_response_get_objects)
HANDLE_NOTIFY_T2(NOTIFY_REQUEST_CHAIN, &cryptonote_protocol_handler::handle_request_chain)
HANDLE_NOTIFY_T2(NOTIFY_RESPONSE_CHAIN_ENTRY, &cryptonote_protocol_handler::handle_response_chain_entry)
HANDLE_NOTIFY_T2(NOTIFY_NEW_FLUFFY_BLOCK, &cryptonote_protocol_handler::handle_notify_new_fluffy_block)
HANDLE_NOTIFY_T2(NOTIFY_REQUEST_FLUFFY_MISSING_TX, &cryptonote_protocol_handler::handle_request_fluffy_missing_tx)
END_INVOKE_MAP2()
bool on_idle();
bool init(const boost::program_options::variables_map& vm);
bool deinit();
void set_p2p_endpoint(nodetool::i_p2p_endpoint<connection_context>* p2p);
//bool process_handshake_data(const blobdata& data, cryptonote_connection_context& context);
bool process_payload_sync_data(const CORE_SYNC_DATA& hshd, cryptonote_connection_context& context, bool is_inital);
bool get_payload_sync_data(blobdata& data);
bool get_payload_sync_data(CORE_SYNC_DATA& hshd);
bool get_stat_info(core_stat_info& stat_inf);
bool on_callback(cryptonote_connection_context& context);
t_core& get_core(){return m_core;}
bool is_synchronized(){return m_synchronized;}
void log_connections();
std::list<connection_info> get_connections();
private:
//----------------- commands handlers ----------------------------------------------
int handle_notify_new_block(int command, NOTIFY_NEW_BLOCK::request& arg, cryptonote_connection_context& context);
int handle_notify_new_transactions(int command, NOTIFY_NEW_TRANSACTIONS::request& arg, cryptonote_connection_context& context);
int handle_request_get_objects(int command, NOTIFY_REQUEST_GET_OBJECTS::request& arg, cryptonote_connection_context& context);
int handle_response_get_objects(int command, NOTIFY_RESPONSE_GET_OBJECTS::request& arg, cryptonote_connection_context& context);
int handle_request_chain(int command, NOTIFY_REQUEST_CHAIN::request& arg, cryptonote_connection_context& context);
int handle_response_chain_entry(int command, NOTIFY_RESPONSE_CHAIN_ENTRY::request& arg, cryptonote_connection_context& context);
int handle_notify_new_fluffy_block(int command, NOTIFY_NEW_FLUFFY_BLOCK::request& arg, cryptonote_connection_context& context);
int handle_request_fluffy_missing_tx(int command, NOTIFY_REQUEST_FLUFFY_MISSING_TX::request& arg, cryptonote_connection_context& context);
//----------------- i_bc_protocol_layout ---------------------------------------
virtual bool relay_block(NOTIFY_NEW_BLOCK::request& arg, cryptonote_connection_context& exclude_context);
virtual bool relay_transactions(NOTIFY_NEW_TRANSACTIONS::request& arg, cryptonote_connection_context& exclude_context);
//----------------------------------------------------------------------------------
//bool get_payload_sync_data(HANDSHAKE_DATA::request& hshd, cryptonote_connection_context& context);
bool request_missing_objects(cryptonote_connection_context& context, bool check_having_blocks);
size_t get_synchronizing_connections_count();
bool on_connection_synchronized();
t_core& m_core;
nodetool::p2p_endpoint_stub<connection_context> m_p2p_stub;
nodetool::i_p2p_endpoint<connection_context>* m_p2p;
std::atomic<uint32_t> m_syncronized_connections_count;
std::atomic<bool> m_synchronized;
bool m_one_request = true;
// static std::ofstream m_logreq;
boost::mutex m_buffer_mutex;
double get_avg_block_size();
boost::circular_buffer<size_t> m_avg_buffer = boost::circular_buffer<size_t>(10);
template<class t_parametr>
bool post_notify(typename t_parametr::request& arg, cryptonote_connection_context& context)
{
LOG_PRINT_L2("[" << epee::net_utils::print_connection_context_short(context) << "] post " << typeid(t_parametr).name() << " -->");
std::string blob;
epee::serialization::store_t_to_binary(arg, blob);
//handler_response_blocks_now(blob.size()); // XXX
return m_p2p->invoke_notify_to_peer(t_parametr::ID, blob, context);
}
template<class t_parametr>
bool relay_post_notify(typename t_parametr::request& arg, cryptonote_connection_context& exlude_context)
{
LOG_PRINT_L2("[" << epee::net_utils::print_connection_context_short(exlude_context) << "] post relay " << typeid(t_parametr).name() << " -->");
std::string arg_buff;
epee::serialization::store_t_to_binary(arg, arg_buff);
return m_p2p->relay_notify_to_all(t_parametr::ID, arg_buff, exlude_context);
}
virtual std::ofstream& get_logreq() const ;
};
} // namespace
#include "cryptonote_protocol_handler.inl"
POP_WARNINGS
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