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blockchain/src/currency_protocol/currency_protocol_handler.h
2018-12-27 18:50:45 +03:00

140 lines
6.4 KiB
C++

// Copyright (c) 2014-2018 Zano Project
// Copyright (c) 2014-2018 The Louisdor Project
// Copyright (c) 2012-2013 The Cryptonote developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#pragma once
#include <boost/program_options/variables_map.hpp>
#include "storages/levin_abstract_invoke2.h"
#include "warnings.h"
#include "currency_protocol_defs.h"
#include "currency_protocol_handler_common.h"
#include "currency_core/connection_context.h"
#include "currency_core/currency_stat_info.h"
#include "currency_core/verification_context.h"
#undef LOG_DEFAULT_CHANNEL
#define LOG_DEFAULT_CHANNEL "currency_protocol"
PUSH_WARNINGS
DISABLE_VS_WARNINGS(4355)
#define ASYNC_RELAY_MODE
namespace currency
{
template<class t_core>
class t_currency_protocol_handler: public i_currency_protocol
{
public:
typedef currency_connection_context connection_context;
typedef core_stat_info stat_info;
typedef t_currency_protocol_handler<t_core> currency_protocol_handler;
typedef CORE_SYNC_DATA payload_type;
typedef std::pair<NOTIFY_NEW_TRANSACTIONS::request, currency_connection_context> relay_que_entry;
t_currency_protocol_handler(t_core& rcore, nodetool::i_p2p_endpoint<connection_context>* p_net_layout);
~t_currency_protocol_handler();
BEGIN_INVOKE_MAP2(currency_protocol_handler)
HANDLE_NOTIFY_T2(NOTIFY_NEW_BLOCK, &currency_protocol_handler::handle_notify_new_block)
HANDLE_NOTIFY_T2(NOTIFY_NEW_TRANSACTIONS, &currency_protocol_handler::handle_notify_new_transactions)
HANDLE_NOTIFY_T2(NOTIFY_REQUEST_GET_OBJECTS, &currency_protocol_handler::handle_request_get_objects)
HANDLE_NOTIFY_T2(NOTIFY_RESPONSE_GET_OBJECTS, &currency_protocol_handler::handle_response_get_objects)
HANDLE_NOTIFY_T2(NOTIFY_REQUEST_CHAIN, &currency_protocol_handler::handle_request_chain)
HANDLE_NOTIFY_T2(NOTIFY_RESPONSE_CHAIN_ENTRY, &currency_protocol_handler::handle_response_chain_entry)
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, currency_connection_context& context);
bool process_payload_sync_data(const CORE_SYNC_DATA& hshd, currency_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(const core_stat_info::params& pr, core_stat_info& stat_inf);
bool on_callback(currency_connection_context& context);
t_core& get_core(){return m_core;}
virtual bool is_synchronized(){ return m_synchronized; }
void log_connections();
uint64_t get_core_inital_height();
uint64_t get_max_seen_height();
virtual size_t get_synchronized_connections_count();
virtual size_t get_synchronizing_connections_count();
int64_t get_net_time_delta_median();
private:
//----------------- commands handlers ----------------------------------------------
int handle_notify_new_block(int command, NOTIFY_NEW_BLOCK::request& arg, currency_connection_context& context);
int handle_notify_new_transactions(int command, NOTIFY_NEW_TRANSACTIONS::request& arg, currency_connection_context& context);
int handle_request_get_objects(int command, NOTIFY_REQUEST_GET_OBJECTS::request& arg, currency_connection_context& context);
int handle_response_get_objects(int command, NOTIFY_RESPONSE_GET_OBJECTS::request& arg, currency_connection_context& context);
int handle_request_chain(int command, NOTIFY_REQUEST_CHAIN::request& arg, currency_connection_context& context);
int handle_response_chain_entry(int command, NOTIFY_RESPONSE_CHAIN_ENTRY::request& arg, currency_connection_context& context);
//----------------- i_bc_protocol_layout ---------------------------------------
virtual bool relay_block(NOTIFY_NEW_BLOCK::request& arg, currency_connection_context& exclude_context);
virtual bool relay_transactions(NOTIFY_NEW_TRANSACTIONS::request& arg, currency_connection_context& exclude_context);
//----------------------------------------------------------------------------------
//bool get_payload_sync_data(HANDSHAKE_DATA::request& hshd, currency_connection_context& context);
bool request_missing_objects(currency_connection_context& context, bool check_having_blocks);
bool on_connection_synchronized();
void relay_que_worker();
void process_current_relay_que(const std::list<relay_que_entry>& que);
bool check_stop_flag_and_drop_cc(currency_connection_context& context);
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;
std::atomic<bool> m_have_been_synchronized;
std::atomic<uint64_t> m_max_height_seen;
std::atomic<uint64_t> m_core_inital_height;
std::unordered_set<crypto::hash> m_blocks_id_que;
std::recursive_mutex m_blocks_id_que_lock;
std::list<relay_que_entry> m_relay_que;
std::mutex m_relay_que_lock;
std::condition_variable m_relay_que_cv;
std::thread m_relay_que_thread;
std::atomic<bool> m_want_stop;
template<class t_parametr>
bool post_notify(typename t_parametr::request& arg, currency_connection_context& context)
{
LOG_PRINT_L2("[POST]" << typeid(t_parametr).name());
std::string blob;
epee::serialization::store_t_to_binary(arg, blob);
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, currency_connection_context& exlude_context)
{
std::string arg_buff;
epee::serialization::store_t_to_binary(arg, arg_buff);
std::list<epee::net_utils::connection_context_base> relayed_peers;
bool r = m_p2p->relay_notify_to_all(t_parametr::ID, arg_buff, exlude_context, relayed_peers);
LOG_PRINT_GREEN("[POST RELAY] " << typeid(t_parametr).name() << " relayed contexts list: " << ENDL << print_connection_context_list(relayed_peers), LOG_LEVEL_2);
return r;
}
};
}
#include "currency_protocol_handler.inl"
#undef LOG_DEFAULT_CHANNEL
#define LOG_DEFAULT_CHANNEL NULL
POP_WARNINGS