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330 lines
15 KiB
C++
330 lines
15 KiB
C++
// Copyright (c) 2014-2016, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
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#pragma once
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#include <boost/thread.hpp>
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#include <boost/bind.hpp>
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#include <boost/bimap.hpp>
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#include <boost/multi_index_container.hpp>
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#include <boost/multi_index/ordered_index.hpp>
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#include <boost/multi_index/identity.hpp>
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#include <boost/multi_index/member.hpp>
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#include <boost/multi_index/global_fun.hpp>
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#include <boost/program_options/options_description.hpp>
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#include <boost/program_options/variables_map.hpp>
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#include <boost/serialization/version.hpp>
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#include <boost/uuid/uuid.hpp>
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#include <boost/serialization/map.hpp>
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#include "cryptonote_config.h"
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#include "warnings.h"
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#include "net/levin_server_cp2.h"
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#include "p2p_protocol_defs.h"
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#include "storages/levin_abstract_invoke2.h"
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#include "net_peerlist.h"
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#include "math_helper.h"
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#include "net_node_common.h"
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#include "common/command_line.h"
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PUSH_WARNINGS
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DISABLE_VS_WARNINGS(4355)
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namespace nodetool
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{
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template<class base_type>
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struct p2p_connection_context_t: base_type //t_payload_net_handler::connection_context //public net_utils::connection_context_base
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{
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peerid_type peer_id;
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uint32_t support_flags;
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};
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template<class t_payload_net_handler>
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class node_server: public epee::levin::levin_commands_handler<p2p_connection_context_t<typename t_payload_net_handler::connection_context> >,
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public i_p2p_endpoint<typename t_payload_net_handler::connection_context>,
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public epee::net_utils::i_connection_filter
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{
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struct by_conn_id{};
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struct by_peer_id{};
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struct by_addr{};
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typedef p2p_connection_context_t<typename t_payload_net_handler::connection_context> p2p_connection_context;
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typedef COMMAND_HANDSHAKE_T<typename t_payload_net_handler::payload_type> COMMAND_HANDSHAKE;
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typedef COMMAND_TIMED_SYNC_T<typename t_payload_net_handler::payload_type> COMMAND_TIMED_SYNC;
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public:
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typedef t_payload_net_handler payload_net_handler;
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node_server(t_payload_net_handler& payload_handler)
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:m_payload_handler(payload_handler),
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m_current_number_of_out_peers(0),
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m_allow_local_ip(false),
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m_hide_my_port(false),
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m_no_igd(false),
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m_offline(false),
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m_save_graph(false),
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is_closing(false),
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m_net_server( epee::net_utils::e_connection_type_P2P ) // this is a P2P connection of the main p2p node server, because this is class node_server<>
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{}
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virtual ~node_server()
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{}
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static void init_options(boost::program_options::options_description& desc);
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bool run();
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bool init(const boost::program_options::variables_map& vm);
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bool deinit();
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bool send_stop_signal();
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uint32_t get_this_peer_port(){return m_listenning_port;}
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t_payload_net_handler& get_payload_object();
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template <class Archive, class t_version_type>
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void serialize(Archive &a, const t_version_type ver)
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{
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a & m_peerlist;
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if (ver == 0)
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{
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// from v1, we do not store the peer id anymore
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peerid_type peer_id = AUTO_VAL_INIT (peer_id);
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a & peer_id;
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}
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}
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// debug functions
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bool log_peerlist();
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bool log_connections();
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virtual uint64_t get_connections_count();
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size_t get_outgoing_connections_count();
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peerlist_manager& get_peerlist_manager(){return m_peerlist;}
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void delete_connections(size_t count);
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virtual bool block_ip(uint32_t adress, time_t seconds = P2P_IP_BLOCKTIME);
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virtual bool unblock_ip(uint32_t address);
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virtual std::map<uint32_t, time_t> get_blocked_ips() { CRITICAL_REGION_LOCAL(m_blocked_ips_lock); return m_blocked_ips; }
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private:
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const std::vector<std::string> m_seed_nodes_list =
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{ "seeds.moneroseeds.se"
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, "seeds.moneroseeds.ae.org"
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, "seeds.moneroseeds.ch"
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, "seeds.moneroseeds.li"
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};
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bool islimitup=false;
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bool islimitdown=false;
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typedef COMMAND_REQUEST_STAT_INFO_T<typename t_payload_net_handler::stat_info> COMMAND_REQUEST_STAT_INFO;
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CHAIN_LEVIN_INVOKE_MAP2(p2p_connection_context); //move levin_commands_handler interface invoke(...) callbacks into invoke map
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CHAIN_LEVIN_NOTIFY_MAP2(p2p_connection_context); //move levin_commands_handler interface notify(...) callbacks into nothing
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BEGIN_INVOKE_MAP2(node_server)
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HANDLE_INVOKE_T2(COMMAND_HANDSHAKE, &node_server::handle_handshake)
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HANDLE_INVOKE_T2(COMMAND_TIMED_SYNC, &node_server::handle_timed_sync)
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HANDLE_INVOKE_T2(COMMAND_PING, &node_server::handle_ping)
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#ifdef ALLOW_DEBUG_COMMANDS
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HANDLE_INVOKE_T2(COMMAND_REQUEST_STAT_INFO, &node_server::handle_get_stat_info)
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HANDLE_INVOKE_T2(COMMAND_REQUEST_NETWORK_STATE, &node_server::handle_get_network_state)
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HANDLE_INVOKE_T2(COMMAND_REQUEST_PEER_ID, &node_server::handle_get_peer_id)
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#endif
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HANDLE_INVOKE_T2(COMMAND_REQUEST_SUPPORT_FLAGS, &node_server::handle_get_support_flags)
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CHAIN_INVOKE_MAP_TO_OBJ_FORCE_CONTEXT(m_payload_handler, typename t_payload_net_handler::connection_context&)
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END_INVOKE_MAP2()
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//----------------- commands handlers ----------------------------------------------
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int handle_handshake(int command, typename COMMAND_HANDSHAKE::request& arg, typename COMMAND_HANDSHAKE::response& rsp, p2p_connection_context& context);
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int handle_timed_sync(int command, typename COMMAND_TIMED_SYNC::request& arg, typename COMMAND_TIMED_SYNC::response& rsp, p2p_connection_context& context);
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int handle_ping(int command, COMMAND_PING::request& arg, COMMAND_PING::response& rsp, p2p_connection_context& context);
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#ifdef ALLOW_DEBUG_COMMANDS
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int handle_get_stat_info(int command, typename COMMAND_REQUEST_STAT_INFO::request& arg, typename COMMAND_REQUEST_STAT_INFO::response& rsp, p2p_connection_context& context);
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int handle_get_network_state(int command, COMMAND_REQUEST_NETWORK_STATE::request& arg, COMMAND_REQUEST_NETWORK_STATE::response& rsp, p2p_connection_context& context);
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int handle_get_peer_id(int command, COMMAND_REQUEST_PEER_ID::request& arg, COMMAND_REQUEST_PEER_ID::response& rsp, p2p_connection_context& context);
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#endif
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int handle_get_support_flags(int command, COMMAND_REQUEST_SUPPORT_FLAGS::request& arg, COMMAND_REQUEST_SUPPORT_FLAGS::response& rsp, p2p_connection_context& context);
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bool init_config();
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bool make_default_peer_id();
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bool make_default_config();
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bool store_config();
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bool check_trust(const proof_of_trust& tr);
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//----------------- levin_commands_handler -------------------------------------------------------------
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virtual void on_connection_new(p2p_connection_context& context);
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virtual void on_connection_close(p2p_connection_context& context);
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virtual void callback(p2p_connection_context& context);
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//----------------- i_p2p_endpoint -------------------------------------------------------------
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virtual bool relay_notify_to_list(int command, const std::string& data_buff, const std::list<boost::uuids::uuid> &connections);
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virtual bool relay_notify_to_all(int command, const std::string& data_buff, const epee::net_utils::connection_context_base& context);
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virtual bool invoke_command_to_peer(int command, const std::string& req_buff, std::string& resp_buff, const epee::net_utils::connection_context_base& context);
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virtual bool invoke_notify_to_peer(int command, const std::string& req_buff, const epee::net_utils::connection_context_base& context);
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virtual bool drop_connection(const epee::net_utils::connection_context_base& context);
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virtual void request_callback(const epee::net_utils::connection_context_base& context);
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virtual void for_each_connection(std::function<bool(typename t_payload_net_handler::connection_context&, peerid_type, uint32_t)> f);
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virtual bool add_ip_fail(uint32_t address);
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//----------------- i_connection_filter --------------------------------------------------------
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virtual bool is_remote_ip_allowed(uint32_t adress);
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//-----------------------------------------------------------------------------------------------
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bool parse_peer_from_string(nodetool::net_address& pe, const std::string& node_addr);
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bool handle_command_line(
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const boost::program_options::variables_map& vm
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, bool testnet
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);
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bool idle_worker();
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bool handle_remote_peerlist(const std::list<peerlist_entry>& peerlist, time_t local_time, const epee::net_utils::connection_context_base& context);
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bool get_local_node_data(basic_node_data& node_data);
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//bool get_local_handshake_data(handshake_data& hshd);
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bool merge_peerlist_with_local(const std::list<peerlist_entry>& bs);
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bool fix_time_delta(std::list<peerlist_entry>& local_peerlist, time_t local_time, int64_t& delta);
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bool connections_maker();
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bool peer_sync_idle_maker();
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bool do_handshake_with_peer(peerid_type& pi, p2p_connection_context& context, bool just_take_peerlist = false);
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bool do_peer_timed_sync(const epee::net_utils::connection_context_base& context, peerid_type peer_id);
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bool make_new_connection_from_peerlist(bool use_white_list);
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bool try_to_connect_and_handshake_with_new_peer(const net_address& na, bool just_take_peerlist = false, uint64_t last_seen_stamp = 0, bool white = true);
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size_t get_random_index_with_fixed_probability(size_t max_index);
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bool is_peer_used(const peerlist_entry& peer);
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bool is_addr_connected(const net_address& peer);
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template<class t_callback>
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bool try_ping(basic_node_data& node_data, p2p_connection_context& context, t_callback cb);
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bool try_get_support_flags(const p2p_connection_context& context, std::function<void(p2p_connection_context&, const uint32_t&)> f);
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bool make_expected_connections_count(bool white_list, size_t expected_connections);
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void cache_connect_fail_info(const net_address& addr);
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bool is_addr_recently_failed(const net_address& addr);
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bool is_priority_node(const net_address& na);
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template <class Container>
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bool connect_to_peerlist(const Container& peers);
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template <class Container>
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bool parse_peers_and_add_to_container(const boost::program_options::variables_map& vm, const command_line::arg_descriptor<std::vector<std::string> > & arg, Container& container);
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bool set_max_out_peers(const boost::program_options::variables_map& vm, int64_t max);
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bool set_tos_flag(const boost::program_options::variables_map& vm, int limit);
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bool set_rate_up_limit(const boost::program_options::variables_map& vm, int64_t limit);
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bool set_rate_down_limit(const boost::program_options::variables_map& vm, int64_t limit);
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bool set_rate_limit(const boost::program_options::variables_map& vm, int64_t limit);
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bool has_too_many_connections(const uint32_t ip);
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bool check_connection_and_handshake_with_peer(const net_address& na, uint64_t last_seen_stamp);
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bool gray_peerlist_housekeeping();
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void kill() { ///< will be called e.g. from deinit()
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_info("Killing the net_node");
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is_closing = true;
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if(mPeersLoggerThread != nullptr)
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mPeersLoggerThread->join(); // make sure the thread finishes
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_info("Joined extra background net_node threads");
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}
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//debug functions
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std::string print_connections_container();
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typedef epee::net_utils::boosted_tcp_server<epee::levin::async_protocol_handler<p2p_connection_context> > net_server;
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struct config
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{
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network_config m_net_config;
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uint64_t m_peer_id;
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uint32_t m_support_flags;
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BEGIN_KV_SERIALIZE_MAP()
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KV_SERIALIZE(m_net_config)
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KV_SERIALIZE(m_peer_id)
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KV_SERIALIZE(m_support_flags)
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END_KV_SERIALIZE_MAP()
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};
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public:
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config m_config; // TODO was private, add getters?
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std::atomic<unsigned int> m_current_number_of_out_peers;
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void set_save_graph(bool save_graph)
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{
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m_save_graph = save_graph;
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epee::net_utils::connection_basic::set_save_graph(save_graph);
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}
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private:
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std::string m_config_folder;
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bool m_have_address;
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bool m_first_connection_maker_call;
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uint32_t m_listenning_port;
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uint32_t m_external_port;
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uint32_t m_ip_address;
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bool m_allow_local_ip;
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bool m_hide_my_port;
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bool m_no_igd;
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bool m_offline;
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std::atomic<bool> m_save_graph;
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std::atomic<bool> is_closing;
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std::unique_ptr<boost::thread> mPeersLoggerThread;
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//critical_section m_connections_lock;
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//connections_indexed_container m_connections;
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t_payload_net_handler& m_payload_handler;
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peerlist_manager m_peerlist;
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epee::math_helper::once_a_time_seconds<P2P_DEFAULT_HANDSHAKE_INTERVAL> m_peer_handshake_idle_maker_interval;
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epee::math_helper::once_a_time_seconds<1> m_connections_maker_interval;
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epee::math_helper::once_a_time_seconds<60*30, false> m_peerlist_store_interval;
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epee::math_helper::once_a_time_seconds<60> m_gray_peerlist_housekeeping_interval;
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std::string m_bind_ip;
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std::string m_port;
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#ifdef ALLOW_DEBUG_COMMANDS
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uint64_t m_last_stat_request_time;
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#endif
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std::list<net_address> m_priority_peers;
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std::vector<net_address> m_exclusive_peers;
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std::vector<net_address> m_seed_nodes;
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std::list<nodetool::peerlist_entry> m_command_line_peers;
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uint64_t m_peer_livetime;
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//keep connections to initiate some interactions
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net_server m_net_server;
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boost::uuids::uuid m_network_id;
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std::map<net_address, time_t> m_conn_fails_cache;
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epee::critical_section m_conn_fails_cache_lock;
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epee::critical_section m_blocked_ips_lock;
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std::map<uint32_t, time_t> m_blocked_ips;
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epee::critical_section m_ip_fails_score_lock;
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std::map<uint32_t, uint64_t> m_ip_fails_score;
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};
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}
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#include "net_node.inl"
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POP_WARNINGS
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