/// @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) 2014-2015, 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 // (may contain code and/or modifications by other developers) // developer rfree: this code is caller of our new network code, and is modded; e.g. for rate limiting #include #include #include "cryptonote_core/cryptonote_format_utils.h" #include "profile_tools.h" #include "../../contrib/otshell_utils/utils.hpp" #include "../../src/p2p/network_throttle-detail.hpp" #include "../../src/p2p/data_logger.hpp" using namespace nOT::nUtils; namespace cryptonote { // static // template std::ofstream t_cryptonote_protocol_handler::m_logreq("logreq.txt"); // static //----------------------------------------------------------------------------------------------------------------------- template t_cryptonote_protocol_handler::t_cryptonote_protocol_handler(t_core& rcore, nodetool::i_p2p_endpoint* p_net_layout):m_core(rcore), m_p2p(p_net_layout), m_syncronized_connections_count(0), m_synchronized(false) { if(!m_p2p) m_p2p = &m_p2p_stub; } //----------------------------------------------------------------------------------------------------------------------- template bool t_cryptonote_protocol_handler::init(const boost::program_options::variables_map& vm) { return true; } //------------------------------------------------------------------------------------------------------------------------ template bool t_cryptonote_protocol_handler::deinit() { return true; } //------------------------------------------------------------------------------------------------------------------------ template void t_cryptonote_protocol_handler::set_p2p_endpoint(nodetool::i_p2p_endpoint* p2p) { if(p2p) m_p2p = p2p; else m_p2p = &m_p2p_stub; } //------------------------------------------------------------------------------------------------------------------------ template bool t_cryptonote_protocol_handler::on_callback(cryptonote_connection_context& context) { LOG_PRINT_CCONTEXT_L2("callback fired"); CHECK_AND_ASSERT_MES_CC( context.m_callback_request_count > 0, false, "false callback fired, but context.m_callback_request_count=" << context.m_callback_request_count); --context.m_callback_request_count; if(context.m_state == cryptonote_connection_context::state_synchronizing) { NOTIFY_REQUEST_CHAIN::request r = boost::value_initialized(); m_core.get_short_chain_history(r.block_ids); LOG_PRINT_CCONTEXT_L2("-->>NOTIFY_REQUEST_CHAIN: m_block_ids.size()=" << r.block_ids.size() ); post_notify(r, context); } return true; } //------------------------------------------------------------------------------------------------------------------------ template bool t_cryptonote_protocol_handler::get_stat_info(core_stat_info& stat_inf) { return m_core.get_stat_info(stat_inf); } //------------------------------------------------------------------------------------------------------------------------ template void t_cryptonote_protocol_handler::log_connections() { std::stringstream ss; ss.precision(1); double down_sum = 0.0; double down_curr_sum = 0.0; double up_sum = 0.0; double up_curr_sum = 0.0; ss << std::setw(30) << std::left << "Remote Host" << std::setw(20) << "Peer id" << std::setw(30) << "Recv/Sent (inactive,sec)" << std::setw(25) << "State" << std::setw(20) << "Livetime(sec)" << std::setw(12) << "Down (kB/s)" << std::setw(14) << "Down(now)" << std::setw(10) << "Up (kB/s)" << std::setw(13) << "Up(now)" << ENDL; uint32_t ip; m_p2p->for_each_connection([&](const connection_context& cntxt, nodetool::peerid_type peer_id) { bool local_ip = false; ip = ntohl(cntxt.m_remote_ip); // TODO: local ip in calss A, B if (ip > 3232235520 && ip < 3232301055) // 192.168.x.x local_ip = true; auto connection_time = time(NULL) - cntxt.m_started; ss << std::setw(30) << std::left << std::string(cntxt.m_is_income ? " [INC]":"[OUT]") + epee::string_tools::get_ip_string_from_int32(cntxt.m_remote_ip) + ":" + std::to_string(cntxt.m_remote_port) << std::setw(20) << std::hex << peer_id << std::setw(30) << std::to_string(cntxt.m_recv_cnt)+ "(" + std::to_string(time(NULL) - cntxt.m_last_recv) + ")" + "/" + std::to_string(cntxt.m_send_cnt) + "(" + std::to_string(time(NULL) - cntxt.m_last_send) + ")" << std::setw(25) << get_protocol_state_string(cntxt.m_state) << std::setw(20) << std::to_string(time(NULL) - cntxt.m_started) << std::setw(12) << std::fixed << (connection_time == 0 ? 0.0 : cntxt.m_recv_cnt / connection_time / 1024) << std::setw(14) << std::fixed << cntxt.m_current_speed_down / 1024 << std::setw(10) << std::fixed << (connection_time == 0 ? 0.0 : cntxt.m_send_cnt / connection_time / 1024) << std::setw(13) << std::fixed << cntxt.m_current_speed_up / 1024 << (local_ip ? "[LAN]" : "") << std::left << (ip == LOCALHOST_INT ? "[LOCALHOST]" : "") // 127.0.0.1 << ENDL; if (connection_time > 1) { down_sum += (cntxt.m_recv_cnt / connection_time / 1024); up_sum += (cntxt.m_send_cnt / connection_time / 1024); } down_curr_sum += (cntxt.m_current_speed_down / 1024); up_curr_sum += (cntxt.m_current_speed_up / 1024); return true; }); ss << ENDL << std::setw(125) << " " << std::setw(12) << down_sum << std::setw(14) << down_curr_sum << std::setw(10) << up_sum << std::setw(13) << up_curr_sum << ENDL; LOG_PRINT_L0("Connections: " << ENDL << ss.str()); } //------------------------------------------------------------------------------------------------------------------------ // Returns a list of connection_info objects describing each open p2p connection //------------------------------------------------------------------------------------------------------------------------ template std::list t_cryptonote_protocol_handler::get_connections() { std::list connections; m_p2p->for_each_connection([&](const connection_context& cntxt, nodetool::peerid_type peer_id) { connection_info cnx; auto timestamp = time(NULL); cnx.incoming = cntxt.m_is_income ? true : false; cnx.ip = epee::string_tools::get_ip_string_from_int32(cntxt.m_remote_ip); cnx.port = std::to_string(cntxt.m_remote_port); std::stringstream peer_id_str; peer_id_str << std::hex << peer_id; peer_id_str >> cnx.peer_id; cnx.recv_count = cntxt.m_recv_cnt; cnx.recv_idle_time = timestamp - cntxt.m_last_recv; cnx.send_count = cntxt.m_send_cnt; cnx.send_idle_time = timestamp; cnx.state = get_protocol_state_string(cntxt.m_state); cnx.live_time = timestamp - cntxt.m_started; uint32_t ip; ip = ntohl(cntxt.m_remote_ip); if (ip == LOCALHOST_INT) { cnx.localhost = true; } else { cnx.localhost = false; } if (ip > 3232235520 && ip < 3232301055) // 192.168.x.x { cnx.local_ip = true; } else { cnx.local_ip = false; } auto connection_time = time(NULL) - cntxt.m_started; if (connection_time == 0) { cnx.avg_download = 0; cnx.avg_upload = 0; } else { cnx.avg_download = cntxt.m_recv_cnt / connection_time / 1024; cnx.avg_upload = cntxt.m_send_cnt / connection_time / 1024; } cnx.current_download = cntxt.m_current_speed_down / 1024; cnx.current_upload = cntxt.m_current_speed_up / 1024; connections.push_back(cnx); return true; }); return connections; } //------------------------------------------------------------------------------------------------------------------------ template bool t_cryptonote_protocol_handler::process_payload_sync_data(const CORE_SYNC_DATA& hshd, cryptonote_connection_context& context, bool is_inital) { if(context.m_state == cryptonote_connection_context::state_befor_handshake && !is_inital) return true; if(context.m_state == cryptonote_connection_context::state_synchronizing) return true; if(m_core.have_block(hshd.top_id)) { context.m_state = cryptonote_connection_context::state_normal; if(is_inital) on_connection_synchronized(); return true; } /* As I don't know if accessing hshd from core could be a good practice, I prefer pushing target height to the core at the same time it is pushed to the user. Nz. */ m_core.set_target_blockchain_height(static_cast(hshd.current_height)); int64_t diff = static_cast(hshd.current_height) - static_cast(m_core.get_current_blockchain_height()); LOG_PRINT_CCONTEXT_YELLOW("Sync data returned unknown top block: " << m_core.get_current_blockchain_height() << " -> " << hshd.current_height << " [" << std::abs(diff) << " blocks (" << diff / (24 * 60 * 60 / DIFFICULTY_TARGET) << " days) " << (0 <= diff ? std::string("behind") : std::string("ahead")) << "] " << ENDL << "SYNCHRONIZATION started", (is_inital ? LOG_LEVEL_0:LOG_LEVEL_1)); LOG_PRINT_L1("Remote top block height: " << hshd.current_height << ", id: " << hshd.top_id); context.m_state = cryptonote_connection_context::state_synchronizing; context.m_remote_blockchain_height = hshd.current_height; //let the socket to send response to handshake, but request callback, to let send request data after response LOG_PRINT_CCONTEXT_L2("requesting callback"); ++context.m_callback_request_count; m_p2p->request_callback(context); return true; } //------------------------------------------------------------------------------------------------------------------------ template bool t_cryptonote_protocol_handler::get_payload_sync_data(CORE_SYNC_DATA& hshd) { m_core.get_blockchain_top(hshd.current_height, hshd.top_id); hshd.current_height +=1; return true; } //------------------------------------------------------------------------------------------------------------------------ template bool t_cryptonote_protocol_handler::get_payload_sync_data(blobdata& data) { CORE_SYNC_DATA hsd = boost::value_initialized(); get_payload_sync_data(hsd); epee::serialization::store_t_to_binary(hsd, data); return true; } //------------------------------------------------------------------------------------------------------------------------ template int t_cryptonote_protocol_handler::handle_notify_new_block(int command, NOTIFY_NEW_BLOCK::request& arg, cryptonote_connection_context& context) { LOG_PRINT_CCONTEXT_L2("NOTIFY_NEW_BLOCK (hop " << arg.hop << ")"); if(context.m_state != cryptonote_connection_context::state_normal) return 1; m_core.pause_mine(); std::list blocks; blocks.push_back(arg.b); m_core.prepare_handle_incoming_blocks(blocks); for(auto tx_blob_it = arg.b.txs.begin(); tx_blob_it!=arg.b.txs.end();tx_blob_it++) { cryptonote::tx_verification_context tvc = AUTO_VAL_INIT(tvc); m_core.handle_incoming_tx(*tx_blob_it, tvc, true, true); if(tvc.m_verifivation_failed) { LOG_PRINT_CCONTEXT_L1("Block verification failed: transaction verification failed, dropping connection"); m_p2p->drop_connection(context); m_core.cleanup_handle_incoming_blocks(); m_core.resume_mine(); return 1; } } block_verification_context bvc = boost::value_initialized(); m_core.handle_incoming_block(arg.b.block, bvc); // got block from handle_notify_new_block m_core.cleanup_handle_incoming_blocks(true); m_core.resume_mine(); if(bvc.m_verifivation_failed) { LOG_PRINT_CCONTEXT_L0("Block verification failed, dropping connection"); m_p2p->drop_connection(context); return 1; } if(bvc.m_added_to_main_chain) { ++arg.hop; //TODO: Add here announce protocol usage relay_block(arg, context); }else if(bvc.m_marked_as_orphaned) { context.m_state = cryptonote_connection_context::state_synchronizing; NOTIFY_REQUEST_CHAIN::request r = boost::value_initialized(); m_core.get_short_chain_history(r.block_ids); LOG_PRINT_CCONTEXT_L2("-->>NOTIFY_REQUEST_CHAIN: m_block_ids.size()=" << r.block_ids.size() ); post_notify(r, context); } return 1; } //------------------------------------------------------------------------------------------------------------------------ template int t_cryptonote_protocol_handler::handle_notify_new_transactions(int command, NOTIFY_NEW_TRANSACTIONS::request& arg, cryptonote_connection_context& context) { LOG_PRINT_CCONTEXT_L2("NOTIFY_NEW_TRANSACTIONS"); if(context.m_state != cryptonote_connection_context::state_normal) return 1; for(auto tx_blob_it = arg.txs.begin(); tx_blob_it!=arg.txs.end();) { cryptonote::tx_verification_context tvc = AUTO_VAL_INIT(tvc); m_core.handle_incoming_tx(*tx_blob_it, tvc, false, true); if(tvc.m_verifivation_failed) { LOG_PRINT_CCONTEXT_L1("Tx verification failed, dropping connection"); m_p2p->drop_connection(context); return 1; } if(tvc.m_should_be_relayed) ++tx_blob_it; else arg.txs.erase(tx_blob_it++); } if(arg.txs.size()) { //TODO: add announce usage here relay_transactions(arg, context); } return true; } //------------------------------------------------------------------------------------------------------------------------ template int t_cryptonote_protocol_handler::handle_request_get_objects(int command, NOTIFY_REQUEST_GET_OBJECTS::request& arg, cryptonote_connection_context& context) { LOG_PRINT_CCONTEXT_L2("NOTIFY_REQUEST_GET_OBJECTS"); NOTIFY_RESPONSE_GET_OBJECTS::request rsp; if(!m_core.handle_get_objects(arg, rsp, context)) { LOG_ERROR_CCONTEXT("failed to handle request NOTIFY_REQUEST_GET_OBJECTS, dropping connection"); m_p2p->drop_connection(context); } LOG_PRINT_CCONTEXT_L2("-->>NOTIFY_RESPONSE_GET_OBJECTS: blocks.size()=" << rsp.blocks.size() << ", txs.size()=" << rsp.txs.size() << ", rsp.m_current_blockchain_height=" << rsp.current_blockchain_height << ", missed_ids.size()=" << rsp.missed_ids.size()); post_notify(rsp, context); //handler_response_blocks_now(sizeof(rsp)); // XXX //handler_response_blocks_now(200); return 1; } //------------------------------------------------------------------------------------------------------------------------ template double t_cryptonote_protocol_handler::get_avg_block_size() { // return m_core.get_blockchain_storage().get_avg_block_size(count); // this does not count too well the actuall network-size of data we need to download CRITICAL_REGION_LOCAL(m_buffer_mutex); double avg = 0; if (m_avg_buffer.size() == 0) { _warn("m_avg_buffer.size() == 0"); return 500; } const bool dbg_poke_lock = 0; // debug: try to trigger an error by poking around with locks. TODO: configure option long int dbg_repeat=0; do { for (auto element : m_avg_buffer) avg += element; } while(dbg_poke_lock && (dbg_repeat++)<100000); // in debug/poke mode, repeat this calculation to trigger hidden locking error if there is one return avg / m_avg_buffer.size(); } template int t_cryptonote_protocol_handler::handle_response_get_objects(int command, NOTIFY_RESPONSE_GET_OBJECTS::request& arg, cryptonote_connection_context& context) { LOG_PRINT_CCONTEXT_L2("NOTIFY_RESPONSE_GET_OBJECTS"); // calculate size of request - mainly for logging/debug size_t size = 0; for (auto element : arg.txs) size += element.size(); for (auto element : arg.blocks) { size += element.block.size(); for (auto tx : element.txs) size += tx.size(); } for (auto element : arg.missed_ids) size += sizeof(element.data); size += sizeof(arg.current_blockchain_height); { CRITICAL_REGION_LOCAL(m_buffer_mutex); m_avg_buffer.push_back(size); const bool dbg_poke_lock = 0; // debug: try to trigger an error by poking around with locks. TODO: configure option long int dbg_repeat=0; do { m_avg_buffer.push_back(666); // a test value m_avg_buffer.erase_end(1); } while(dbg_poke_lock && (dbg_repeat++)<100000); // in debug/poke mode, repeat this calculation to trigger hidden locking error if there is one } /*using namespace boost::chrono; auto point = steady_clock::now(); auto time_from_epoh = point.time_since_epoch(); auto sec = duration_cast< seconds >( time_from_epoh ).count();*/ //epee::net_utils::network_throttle_manager::get_global_throttle_inreq().logger_handle_net("log/dr-monero/net/req-all.data", sec, get_avg_block_size()); if(context.m_last_response_height > arg.current_blockchain_height) { LOG_ERROR_CCONTEXT("sent wrong NOTIFY_HAVE_OBJECTS: arg.m_current_blockchain_height=" << arg.current_blockchain_height << " < m_last_response_height=" << context.m_last_response_height << ", dropping connection"); m_p2p->drop_connection(context); return 1; } context.m_remote_blockchain_height = arg.current_blockchain_height; size_t count = 0; BOOST_FOREACH(const block_complete_entry& block_entry, arg.blocks) { ++count; block b; if(!parse_and_validate_block_from_blob(block_entry.block, b)) { LOG_ERROR_CCONTEXT("sent wrong block: failed to parse and validate block: \r\n" << epee::string_tools::buff_to_hex_nodelimer(block_entry.block) << "\r\n dropping connection"); m_p2p->drop_connection(context); return 1; } //to avoid concurrency in core between connections, suspend connections which delivered block later then first one if(count == 2) { if(m_core.have_block(get_block_hash(b))) { context.m_state = cryptonote_connection_context::state_idle; context.m_needed_objects.clear(); context.m_requested_objects.clear(); LOG_PRINT_CCONTEXT_L1("Connection set to idle state."); return 1; } } auto req_it = context.m_requested_objects.find(get_block_hash(b)); if(req_it == context.m_requested_objects.end()) { LOG_ERROR_CCONTEXT("sent wrong NOTIFY_RESPONSE_GET_OBJECTS: block with id=" << epee::string_tools::pod_to_hex(get_blob_hash(block_entry.block)) << " wasn't requested, dropping connection"); m_p2p->drop_connection(context); return 1; } if(b.tx_hashes.size() != block_entry.txs.size()) { LOG_ERROR_CCONTEXT("sent wrong NOTIFY_RESPONSE_GET_OBJECTS: block with id=" << epee::string_tools::pod_to_hex(get_blob_hash(block_entry.block)) << ", tx_hashes.size()=" << b.tx_hashes.size() << " mismatch with block_complete_entry.m_txs.size()=" << block_entry.txs.size() << ", dropping connection"); m_p2p->drop_connection(context); return 1; } context.m_requested_objects.erase(req_it); } if(context.m_requested_objects.size()) { LOG_PRINT_CCONTEXT_RED("returned not all requested objects (context.m_requested_objects.size()=" << context.m_requested_objects.size() << "), dropping connection", LOG_LEVEL_0); m_p2p->drop_connection(context); return 1; } { m_core.pause_mine(); epee::misc_utils::auto_scope_leave_caller scope_exit_handler = epee::misc_utils::create_scope_leave_handler( boost::bind(&t_core::resume_mine, &m_core)); LOG_PRINT_CCONTEXT_YELLOW( "Got NEW BLOCKS inside of " << __FUNCTION__ << ": size: " << arg.blocks.size() , LOG_LEVEL_1); if (m_core.get_test_drop_download() && m_core.get_test_drop_download_height()) { // DISCARD BLOCKS for testing uint64_t previous_height = m_core.get_current_blockchain_height(); m_core.prepare_handle_incoming_blocks(arg.blocks); BOOST_FOREACH(const block_complete_entry& block_entry, arg.blocks) { // process transactions TIME_MEASURE_START(transactions_process_time); BOOST_FOREACH(auto& tx_blob, block_entry.txs) { tx_verification_context tvc = AUTO_VAL_INIT(tvc); m_core.handle_incoming_tx(tx_blob, tvc, true, true); if(tvc.m_verifivation_failed) { LOG_ERROR_CCONTEXT("transaction verification failed on NOTIFY_RESPONSE_GET_OBJECTS, \r\ntx_id = " << epee::string_tools::pod_to_hex(get_blob_hash(tx_blob)) << ", dropping connection"); m_p2p->drop_connection(context); m_core.cleanup_handle_incoming_blocks(); return 1; } } TIME_MEASURE_FINISH(transactions_process_time); // process block TIME_MEASURE_START(block_process_time); block_verification_context bvc = boost::value_initialized(); m_core.handle_incoming_block(block_entry.block, bvc, false); // <--- process block if(bvc.m_verifivation_failed) { LOG_PRINT_CCONTEXT_L1("Block verification failed, dropping connection"); m_p2p->drop_connection(context); m_p2p->add_ip_fail(context.m_remote_ip); m_core.cleanup_handle_incoming_blocks(); return 1; } if(bvc.m_marked_as_orphaned) { LOG_PRINT_CCONTEXT_L1("Block received at sync phase was marked as orphaned, dropping connection"); m_p2p->drop_connection(context); m_p2p->add_ip_fail(context.m_remote_ip); m_core.cleanup_handle_incoming_blocks(); return 1; } TIME_MEASURE_FINISH(block_process_time); LOG_PRINT_CCONTEXT_L2("Block process time: " << block_process_time + transactions_process_time << "(" << transactions_process_time << "/" << block_process_time << ")ms"); epee::net_utils::data_logger::get_instance().add_data("calc_time", block_process_time + transactions_process_time); epee::net_utils::data_logger::get_instance().add_data("block_processing", 1); } // each download block m_core.cleanup_handle_incoming_blocks(); if (m_core.get_current_blockchain_height() > previous_height) { LOG_PRINT_CCONTEXT_YELLOW( "Synced " << m_core.get_current_blockchain_height() << "/" << m_core.get_target_blockchain_height() , LOG_LEVEL_0); } } // if not DISCARD BLOCK } request_missing_objects(context, true); return 1; } //------------------------------------------------------------------------------------------------------------------------ template bool t_cryptonote_protocol_handler::on_idle() { return m_core.on_idle(); } //------------------------------------------------------------------------------------------------------------------------ template int t_cryptonote_protocol_handler::handle_request_chain(int command, NOTIFY_REQUEST_CHAIN::request& arg, cryptonote_connection_context& context) { LOG_PRINT_CCONTEXT_L2("NOTIFY_REQUEST_CHAIN: m_block_ids.size()=" << arg.block_ids.size()); NOTIFY_RESPONSE_CHAIN_ENTRY::request r; if(!m_core.find_blockchain_supplement(arg.block_ids, r)) { LOG_ERROR_CCONTEXT("Failed to handle NOTIFY_REQUEST_CHAIN."); return 1; } LOG_PRINT_CCONTEXT_L2("-->>NOTIFY_RESPONSE_CHAIN_ENTRY: m_start_height=" << r.start_height << ", m_total_height=" << r.total_height << ", m_block_ids.size()=" << r.m_block_ids.size()); post_notify(r, context); return 1; } //------------------------------------------------------------------------------------------------------------------------ template bool t_cryptonote_protocol_handler::request_missing_objects(cryptonote_connection_context& context, bool check_having_blocks) { //if (!m_one_request == false) //return true; m_one_request = false; // save request size to log (dr monero) /*using namespace boost::chrono; auto point = steady_clock::now(); auto time_from_epoh = point.time_since_epoch(); auto sec = duration_cast< seconds >( time_from_epoh ).count();*/ if(context.m_needed_objects.size()) { //we know objects that we need, request this objects NOTIFY_REQUEST_GET_OBJECTS::request req; size_t count = 0; auto it = context.m_needed_objects.begin(); size_t count_limit = BLOCKS_SYNCHRONIZING_DEFAULT_COUNT; _note_c("net/req-calc" , "Setting count_limit: " << count_limit); while(it != context.m_needed_objects.end() && count < BLOCKS_SYNCHRONIZING_DEFAULT_COUNT) { if( !(check_having_blocks && m_core.have_block(*it))) { req.blocks.push_back(*it); ++count; context.m_requested_objects.insert(*it); } context.m_needed_objects.erase(it++); } LOG_PRINT_CCONTEXT_L1("-->>NOTIFY_REQUEST_GET_OBJECTS: blocks.size()=" << req.blocks.size() << ", txs.size()=" << req.txs.size() << "requested blocks count=" << count << " / " << count_limit); //epee::net_utils::network_throttle_manager::get_global_throttle_inreq().logger_handle_net("log/dr-monero/net/req-all.data", sec, get_avg_block_size()); post_notify(req, context); }else if(context.m_last_response_height < context.m_remote_blockchain_height-1) {//we have to fetch more objects ids, request blockchain entry NOTIFY_REQUEST_CHAIN::request r = boost::value_initialized(); m_core.get_short_chain_history(r.block_ids); handler_request_blocks_history( r.block_ids ); // change the limit(?), sleep(?) //std::string blob; // for calculate size of request //epee::serialization::store_t_to_binary(r, blob); //epee::net_utils::network_throttle_manager::get_global_throttle_inreq().logger_handle_net("log/dr-monero/net/req-all.data", sec, get_avg_block_size()); LOG_PRINT_CCONTEXT_L1("r = " << 200); LOG_PRINT_CCONTEXT_L1("-->>NOTIFY_REQUEST_CHAIN: m_block_ids.size()=" << r.block_ids.size() ); post_notify(r, context); }else { CHECK_AND_ASSERT_MES(context.m_last_response_height == context.m_remote_blockchain_height-1 && !context.m_needed_objects.size() && !context.m_requested_objects.size(), false, "request_missing_blocks final condition failed!" << "\r\nm_last_response_height=" << context.m_last_response_height << "\r\nm_remote_blockchain_height=" << context.m_remote_blockchain_height << "\r\nm_needed_objects.size()=" << context.m_needed_objects.size() << "\r\nm_requested_objects.size()=" << context.m_requested_objects.size() << "\r\non connection [" << epee::net_utils::print_connection_context_short(context)<< "]"); context.m_state = cryptonote_connection_context::state_normal; LOG_PRINT_CCONTEXT_GREEN(" SYNCHRONIZED OK", LOG_LEVEL_0); on_connection_synchronized(); } return true; } //------------------------------------------------------------------------------------------------------------------------ template bool t_cryptonote_protocol_handler::on_connection_synchronized() { bool val_expected = false; if(m_synchronized.compare_exchange_strong(val_expected, true)) { LOG_PRINT_L0(ENDL << "**********************************************************************" << ENDL << "You are now synchronized with the network. You may now start simplewallet." << ENDL << ENDL << "Please note, that the blockchain will be saved only after you quit the daemon with \"exit\" command or if you use \"save\" command." << ENDL << "Otherwise, you will possibly need to synchronize the blockchain again." << ENDL << ENDL << "Use \"help\" command to see the list of available commands." << ENDL << "**********************************************************************"); m_core.on_synchronized(); } return true; } //------------------------------------------------------------------------------------------------------------------------ template size_t t_cryptonote_protocol_handler::get_synchronizing_connections_count() { size_t count = 0; m_p2p->for_each_connection([&](cryptonote_connection_context& context, nodetool::peerid_type peer_id)->bool{ if(context.m_state == cryptonote_connection_context::state_synchronizing) ++count; return true; }); return count; } //------------------------------------------------------------------------------------------------------------------------ template int t_cryptonote_protocol_handler::handle_response_chain_entry(int command, NOTIFY_RESPONSE_CHAIN_ENTRY::request& arg, cryptonote_connection_context& context) { LOG_PRINT_CCONTEXT_L2("NOTIFY_RESPONSE_CHAIN_ENTRY: m_block_ids.size()=" << arg.m_block_ids.size() << ", m_start_height=" << arg.start_height << ", m_total_height=" << arg.total_height); if(!arg.m_block_ids.size()) { LOG_ERROR_CCONTEXT("sent empty m_block_ids, dropping connection"); m_p2p->drop_connection(context); m_p2p->add_ip_fail(context.m_remote_ip); return 1; } if(!m_core.have_block(arg.m_block_ids.front())) { LOG_ERROR_CCONTEXT("sent m_block_ids starting from unknown id: " << epee::string_tools::pod_to_hex(arg.m_block_ids.front()) << " , dropping connection"); m_p2p->drop_connection(context); m_p2p->add_ip_fail(context.m_remote_ip); return 1; } context.m_remote_blockchain_height = arg.total_height; context.m_last_response_height = arg.start_height + arg.m_block_ids.size()-1; if(context.m_last_response_height > context.m_remote_blockchain_height) { LOG_ERROR_CCONTEXT("sent wrong NOTIFY_RESPONSE_CHAIN_ENTRY, with \r\nm_total_height=" << arg.total_height << "\r\nm_start_height=" << arg.start_height << "\r\nm_block_ids.size()=" << arg.m_block_ids.size()); m_p2p->drop_connection(context); } BOOST_FOREACH(auto& bl_id, arg.m_block_ids) { if(!m_core.have_block(bl_id)) context.m_needed_objects.push_back(bl_id); } request_missing_objects(context, false); return 1; } //------------------------------------------------------------------------------------------------------------------------ template bool t_cryptonote_protocol_handler::relay_block(NOTIFY_NEW_BLOCK::request& arg, cryptonote_connection_context& exclude_context) { return relay_post_notify(arg, exclude_context); } //------------------------------------------------------------------------------------------------------------------------ template bool t_cryptonote_protocol_handler::relay_transactions(NOTIFY_NEW_TRANSACTIONS::request& arg, cryptonote_connection_context& exclude_context) { return relay_post_notify(arg, exclude_context); } /// @deprecated template std::ofstream& t_cryptonote_protocol_handler::get_logreq() const { static std::ofstream * logreq=NULL; if (!logreq) { LOG_PRINT_RED("LOG OPENED",LOG_LEVEL_0); logreq = new std::ofstream("logreq.txt"); // leak mem (singleton) *logreq << "Opened log" << std::endl; } LOG_PRINT_YELLOW("LOG USED",LOG_LEVEL_0); (*logreq) << "log used" << std::endl; return *logreq; } } // namespace