1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
|
/// @file
/// @author rfree (current maintainer/user in monero.cc project - most of code is from CryptoNote)
/// @brief This is the original cryptonote protocol network-events handler, modified by us
// Copyright (c) 2014-2022, 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 "byte_slice.h"
#include "math_helper.h"
#include "storages/levin_abstract_invoke2.h"
#include "warnings.h"
#include "cryptonote_protocol_defs.h"
#include "cryptonote_protocol_handler_common.h"
#include "block_queue.h"
#include "common/perf_timer.h"
#include "cryptonote_basic/connection_context.h"
#include "net/levin_base.h"
#include "p2p/net_node_common.h"
#include <boost/circular_buffer.hpp>
PUSH_WARNINGS
DISABLE_VS_WARNINGS(4355)
#define LOCALHOST_INT 2130706433
#define CURRENCY_PROTOCOL_MAX_OBJECT_REQUEST_COUNT 100
static_assert(CURRENCY_PROTOCOL_MAX_OBJECT_REQUEST_COUNT >= BLOCKS_SYNCHRONIZING_DEFAULT_COUNT_PRE_V4, "Invalid CURRENCY_PROTOCOL_MAX_OBJECT_REQUEST_COUNT");
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
};
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 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, bool offline = false);
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)
HANDLE_NOTIFY_T2(NOTIFY_GET_TXPOOL_COMPLEMENT, &cryptonote_protocol_handler::handle_notify_get_txpool_complement)
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(epee::byte_slice& data);
bool get_payload_sync_data(CORE_SYNC_DATA& hshd);
bool on_callback(cryptonote_connection_context& context);
t_core& get_core(){return m_core;}
virtual bool is_synchronized() const final { return !no_sync() && m_synchronized; }
void log_connections();
std::list<connection_info> get_connections();
const block_queue &get_block_queue() const { return m_block_queue; }
void stop();
void on_connection_close(cryptonote_connection_context &context);
void set_max_out_peers(epee::net_utils::zone zone, unsigned int max) { CRITICAL_REGION_LOCAL(m_max_out_peers_lock); m_max_out_peers[zone] = max; }
unsigned int get_max_out_peers(epee::net_utils::zone zone) const
{
CRITICAL_REGION_LOCAL(m_max_out_peers_lock);
const auto it = m_max_out_peers.find(zone);
if (it == m_max_out_peers.end())
{
MWARNING(epee::net_utils::zone_to_string(zone) << " max out peers not set, using default");
return P2P_DEFAULT_CONNECTIONS_COUNT;
}
return it->second;
}
bool no_sync() const { return m_no_sync; }
void set_no_sync(bool value) { m_no_sync = value; }
std::string get_peers_overview() const;
std::pair<uint32_t, uint32_t> get_next_needed_pruning_stripe() const;
bool needs_new_sync_connections(epee::net_utils::zone zone) const;
bool is_busy_syncing();
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);
int handle_notify_get_txpool_complement(int command, NOTIFY_GET_TXPOOL_COMPLEMENT::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, const boost::uuids::uuid& source, epee::net_utils::zone zone, relay_method tx_relay);
//----------------------------------------------------------------------------------
//bool get_payload_sync_data(HANDSHAKE_DATA::request& hshd, cryptonote_connection_context& context);
bool should_drop_connection(cryptonote_connection_context& context, uint32_t next_stripe);
bool request_missing_objects(cryptonote_connection_context& context, bool check_having_blocks, bool force_next_span = false);
size_t get_synchronizing_connections_count();
bool on_connection_synchronized();
bool should_download_next_span(cryptonote_connection_context& context, bool standby);
bool should_ask_for_pruned_data(cryptonote_connection_context& context, uint64_t first_block_height, uint64_t nblocks, bool check_block_weights) const;
void drop_connection(cryptonote_connection_context &context, bool add_fail, bool flush_all_spans);
void drop_connection_with_score(cryptonote_connection_context &context, unsigned int score, bool flush_all_spans);
void drop_connections(const epee::net_utils::network_address address);
bool kick_idle_peers();
bool check_standby_peers();
bool update_sync_search();
int try_add_next_blocks(cryptonote_connection_context &context);
void notify_new_stripe(cryptonote_connection_context &context, uint32_t stripe);
size_t skip_unneeded_hashes(cryptonote_connection_context& context, bool check_block_queue) const;
bool request_txpool_complement(cryptonote_connection_context &context);
void hit_score(cryptonote_connection_context &context, int32_t score);
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_stopping;
std::atomic<bool> m_no_sync;
std::atomic<bool> m_ask_for_txpool_complement;
boost::mutex m_sync_lock;
block_queue m_block_queue;
epee::math_helper::once_a_time_seconds<8> m_idle_peer_kicker;
epee::math_helper::once_a_time_milliseconds<100> m_standby_checker;
epee::math_helper::once_a_time_seconds<101> m_sync_search_checker;
epee::math_helper::once_a_time_seconds<43> m_bad_peer_checker;
std::unordered_map<epee::net_utils::zone, unsigned int> m_max_out_peers;
mutable epee::critical_section m_max_out_peers_lock;
tools::PerformanceTimer m_sync_timer, m_add_timer;
uint64_t m_last_add_end_time;
uint64_t m_sync_spans_downloaded, m_sync_old_spans_downloaded, m_sync_bad_spans_downloaded;
uint64_t m_sync_download_chain_size, m_sync_download_objects_size;
size_t m_block_download_max_size;
bool m_sync_pruned_blocks;
// Values for sync time estimates
boost::posix_time::ptime m_sync_start_time;
boost::posix_time::ptime m_period_start_time;
uint64_t m_sync_start_height;
uint64_t m_period_start_height;
uint64_t get_estimated_remaining_sync_seconds(uint64_t current_blockchain_height, uint64_t target_blockchain_height);
std::string get_periodic_sync_estimate(uint64_t current_blockchain_height, uint64_t target_blockchain_height);
boost::mutex m_buffer_mutex;
double get_avg_block_size();
boost::circular_buffer<size_t> m_avg_buffer = boost::circular_buffer<size_t>(10);
boost::mutex m_bad_peer_check_lock;
template<class t_parameter>
bool post_notify(typename t_parameter::request& arg, cryptonote_connection_context& context)
{
LOG_PRINT_L2("[" << epee::net_utils::print_connection_context_short(context) << "] post " << typeid(t_parameter).name() << " -->");
epee::levin::message_writer out{256 * 1024}; // optimize for block responses
epee::serialization::store_t_to_binary(arg, out.buffer);
//handler_response_blocks_now(blob.size()); // XXX
return m_p2p->invoke_notify_to_peer(t_parameter::ID, std::move(out), context);
}
};
} // namespace
POP_WARNINGS
|
