diff options
Diffstat (limited to 'src/cryptonote_protocol/cryptonote_protocol_handler.inl')
| -rw-r--r-- | src/cryptonote_protocol/cryptonote_protocol_handler.inl | 568 |
1 files changed, 440 insertions, 128 deletions
diff --git a/src/cryptonote_protocol/cryptonote_protocol_handler.inl b/src/cryptonote_protocol/cryptonote_protocol_handler.inl index c5bc834ad..e3d88b353 100644 --- a/src/cryptonote_protocol/cryptonote_protocol_handler.inl +++ b/src/cryptonote_protocol/cryptonote_protocol_handler.inl @@ -48,6 +48,10 @@ #define MLOG_P2P_MESSAGE(x) MCINFO("net.p2p.msg", context << x) +#define BLOCK_QUEUE_NBLOCKS_THRESHOLD 10 // chunks of N blocks +#define BLOCK_QUEUE_SIZE_THRESHOLD (100*1024*1024) // MB +#define REQUEST_NEXT_SCHEDULED_SPAN_THRESHOLD (5 * 1000000) // microseconds + namespace cryptonote { @@ -233,6 +237,8 @@ namespace cryptonote cnx.current_download = cntxt.m_current_speed_down / 1024; cnx.current_upload = cntxt.m_current_speed_up / 1024; + cnx.connection_id = cntxt.m_connection_id; + connections.push_back(cnx); return true; @@ -310,6 +316,11 @@ namespace cryptonote MLOG_P2P_MESSAGE("Received NOTIFY_NEW_BLOCK (hop " << arg.hop << ", " << arg.b.txs.size() << " txes)"); if(context.m_state != cryptonote_connection_context::state_normal) return 1; + if(!is_synchronized()) // can happen if a peer connection goes to normal but another thread still hasn't finished adding queued blocks + { + LOG_DEBUG_CC(context, "Received new block while syncing, ignored"); + return 1; + } m_core.pause_mine(); std::list<block_complete_entry> blocks; blocks.push_back(arg.b); @@ -324,6 +335,7 @@ namespace cryptonote m_p2p->drop_connection(context); m_core.cleanup_handle_incoming_blocks(); m_core.resume_mine(); + m_block_queue.flush_spans(context.m_connection_id); return 1; } } @@ -336,6 +348,7 @@ namespace cryptonote { LOG_PRINT_CCONTEXT_L0("Block verification failed, dropping connection"); m_p2p->drop_connection(context); + m_block_queue.flush_spans(context.m_connection_id); return 1; } if(bvc.m_added_to_main_chain) @@ -361,6 +374,11 @@ namespace cryptonote MLOG_P2P_MESSAGE("Received NOTIFY_NEW_FLUFFY_BLOCK (height " << arg.current_blockchain_height << ", hop " << arg.hop << ", " << arg.b.txs.size() << " txes)"); if(context.m_state != cryptonote_connection_context::state_normal) return 1; + if(!is_synchronized()) // can happen if a peer connection goes to normal but another thread still hasn't finished adding queued blocks + { + LOG_DEBUG_CC(context, "Received new block while syncing, ignored"); + return 1; + } m_core.pause_mine(); @@ -384,6 +402,7 @@ namespace cryptonote ); m_p2p->drop_connection(context); + m_block_queue.flush_spans(context.m_connection_id); m_core.resume_mine(); return 1; } @@ -417,6 +436,7 @@ namespace cryptonote ); m_p2p->drop_connection(context); + m_block_queue.flush_spans(context.m_connection_id); m_core.resume_mine(); return 1; } @@ -431,6 +451,7 @@ namespace cryptonote ); m_p2p->drop_connection(context); + m_block_queue.flush_spans(context.m_connection_id); m_core.resume_mine(); return 1; } @@ -455,6 +476,7 @@ namespace cryptonote ); m_p2p->drop_connection(context); + m_block_queue.flush_spans(context.m_connection_id); m_core.resume_mine(); return 1; } @@ -472,6 +494,7 @@ namespace cryptonote { LOG_PRINT_CCONTEXT_L1("Block verification failed: transaction verification failed, dropping connection"); m_p2p->drop_connection(context); + m_block_queue.flush_spans(context.m_connection_id); m_core.resume_mine(); return 1; } @@ -494,6 +517,7 @@ namespace cryptonote ); m_p2p->drop_connection(context); + m_block_queue.flush_spans(context.m_connection_id); m_core.resume_mine(); return 1; } @@ -514,6 +538,7 @@ namespace cryptonote ); m_p2p->drop_connection(context); + m_block_queue.flush_spans(context.m_connection_id); m_core.resume_mine(); return 1; } @@ -591,6 +616,7 @@ namespace cryptonote { LOG_PRINT_CCONTEXT_L0("Block verification failed, dropping connection"); m_p2p->drop_connection(context); + m_block_queue.flush_spans(context.m_connection_id); return 1; } if( bvc.m_added_to_main_chain ) @@ -624,6 +650,7 @@ namespace cryptonote m_core.resume_mine(); m_p2p->drop_connection(context); + m_block_queue.flush_spans(context.m_connection_id); return 1; } @@ -644,6 +671,7 @@ namespace cryptonote { LOG_ERROR_CCONTEXT("failed to find block: " << arg.block_hash << ", dropping connection"); m_p2p->drop_connection(context); + m_block_queue.flush_spans(context.m_connection_id); return 1; } @@ -671,6 +699,7 @@ namespace cryptonote ); m_p2p->drop_connection(context); + m_block_queue.flush_spans(context.m_connection_id); return 1; } } @@ -682,6 +711,7 @@ namespace cryptonote LOG_ERROR_CCONTEXT("Failed to handle request NOTIFY_REQUEST_FLUFFY_MISSING_TX, " << "failed to get requested transactions"); m_p2p->drop_connection(context); + m_block_queue.flush_spans(context.m_connection_id); return 1; } if (!missed.empty() || txs.size() != txids.size()) @@ -689,6 +719,7 @@ namespace cryptonote LOG_ERROR_CCONTEXT("Failed to handle request NOTIFY_REQUEST_FLUFFY_MISSING_TX, " << missed.size() << " requested transactions not found" << ", dropping connection"); m_p2p->drop_connection(context); + m_block_queue.flush_spans(context.m_connection_id); return 1; } @@ -732,6 +763,7 @@ namespace cryptonote { LOG_PRINT_CCONTEXT_L1("Tx verification failed, dropping connection"); m_p2p->drop_connection(context); + m_block_queue.flush_spans(context.m_connection_id); return 1; } if(tvc.m_should_be_relayed) @@ -758,6 +790,8 @@ namespace cryptonote { LOG_ERROR_CCONTEXT("failed to handle request NOTIFY_REQUEST_GET_OBJECTS, dropping connection"); m_p2p->drop_connection(context); + m_block_queue.flush_spans(context.m_connection_id); + return 1; } 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()); @@ -794,15 +828,19 @@ namespace cryptonote { MLOG_P2P_MESSAGE("Received NOTIFY_RESPONSE_GET_OBJECTS (" << arg.blocks.size() << " blocks, " << arg.txs.size() << " txes)"); - // calculate size of request - mainly for logging/debug + bool force_next_span = false; + + // calculate size of request size_t size = 0; for (auto element : arg.txs) size += element.size(); + size_t blocks_size = 0; for (auto element : arg.blocks) { - size += element.block.size(); - for (auto tx : element.txs) - size += tx.size(); + blocks_size += element.block.size(); + for (const auto &tx : element.txs) + blocks_size += tx.size(); } + size += blocks_size; for (auto element : arg.missed_ids) size += sizeof(element.data); @@ -819,6 +857,8 @@ namespace cryptonote 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 } + MDEBUG(context << " downloaded " << size << " bytes worth of blocks"); + /*using namespace boost::chrono; auto point = steady_clock::now(); auto time_from_epoh = point.time_since_epoch(); @@ -831,14 +871,17 @@ namespace cryptonote 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); + m_block_queue.flush_spans(context.m_connection_id); return 1; } context.m_remote_blockchain_height = arg.current_blockchain_height; - size_t count = 0; std::vector<crypto::hash> block_hashes; block_hashes.reserve(arg.blocks.size()); + const boost::posix_time::ptime now = boost::posix_time::microsec_clock::universal_time(); + uint64_t start_height = std::numeric_limits<uint64_t>::max(); + cryptonote::block b; for(const block_complete_entry& block_entry: arg.blocks) { if (m_stopping) @@ -846,35 +889,33 @@ namespace cryptonote return 1; } - ++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: " << epee::string_tools::buff_to_hex_nodelimer(block_entry.block) << ", dropping connection"); m_p2p->drop_connection(context); + m_block_queue.flush_spans(context.m_connection_id); return 1; } - //to avoid concurrency in core between connections, suspend connections which delivered block later then first one - const crypto::hash block_hash = get_block_hash(b); - if(count == 2) + if (b.miner_tx.vin.size() != 1 || b.miner_tx.vin.front().type() != typeid(txin_gen)) { - if(m_core.have_block(block_hash)) - { - 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; - } + LOG_ERROR_CCONTEXT("sent wrong block: block: miner tx does not have exactly one txin_gen input" + << epee::string_tools::buff_to_hex_nodelimer(block_entry.block) << ", dropping connection"); + m_p2p->drop_connection(context); + m_block_queue.flush_spans(context.m_connection_id); + return 1; } + if (start_height == std::numeric_limits<uint64_t>::max()) + start_height = boost::get<txin_gen>(b.miner_tx.vin[0]).height; + const crypto::hash block_hash = get_block_hash(b); auto req_it = context.m_requested_objects.find(block_hash); 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); + m_block_queue.flush_spans(context.m_connection_id); return 1; } if(b.tx_hashes.size() != block_entry.txs.size()) @@ -882,6 +923,7 @@ namespace cryptonote 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); + m_block_queue.flush_spans(context.m_connection_id); return 1; } @@ -894,114 +936,186 @@ namespace cryptonote MERROR("returned not all requested objects (context.m_requested_objects.size()=" << context.m_requested_objects.size() << "), dropping connection"); m_p2p->drop_connection(context); + m_block_queue.flush_spans(context.m_connection_id); return 1; } + // get the last parsed block, which should be the highest one + if(m_core.have_block(cryptonote::get_block_hash(b))) + { + const uint64_t subchain_height = start_height + arg.blocks.size(); + LOG_DEBUG_CC(context, "These are old blocks, ignoring: blocks " << start_height << " - " << (subchain_height-1) << ", blockchain height " << m_core.get_current_blockchain_height()); + goto skip; + } { MLOG_YELLOW(el::Level::Debug, "Got NEW BLOCKS inside of " << __FUNCTION__ << ": size: " << arg.blocks.size()); + // add that new span to the block queue + const boost::posix_time::time_duration dt = now - context.m_last_request_time; + const float rate = size * 1e6 / (dt.total_microseconds() + 1); + MDEBUG(context << " adding span: " << arg.blocks.size() << " at height " << start_height << ", " << dt.total_microseconds()/1e6 << " seconds, " << (rate/1e3) << " kB/s, size now " << (m_block_queue.get_data_size() + blocks_size) / 1048576.f << " MB"); + m_block_queue.add_blocks(start_height, arg.blocks, context.m_connection_id, rate, blocks_size); + if (m_core.get_test_drop_download() && m_core.get_test_drop_download_height()) { // DISCARD BLOCKS for testing - // we lock all the rest to avoid having multiple connections redo a lot - // of the same work, and one of them doing it for nothing: subsequent - // connections will wait until the current one's added its blocks, then - // will add any extra it has, if any - CRITICAL_REGION_LOCAL(m_sync_lock); + // We try to lock the sync lock. If we can, it means no other thread is + // currently adding blocks, so we do that for as long as we can from the + // block queue. Then, we go back to download. + const boost::unique_lock<boost::mutex> sync{m_sync_lock, boost::try_to_lock}; + if (!sync.owns_lock()) + { + MINFO("Failed to lock m_sync_lock, going back to download"); + goto skip; + } + MDEBUG(context << " lock m_sync_lock, adding blocks to chain..."); 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)); - const uint64_t previous_height = m_core.get_current_blockchain_height(); - - // dismiss what another connection might already have done (likely everything) - uint64_t top_height; - crypto::hash top_hash; - if (m_core.get_blockchain_top(top_height, top_hash)) { - uint64_t dismiss = 1; - for (const auto &h: block_hashes) { - if (top_hash == h) { - LOG_DEBUG_CC(context, "Found current top block in synced blocks, dismissing " - << dismiss << "/" << arg.blocks.size() << " blocks"); - while (dismiss--) - arg.blocks.pop_front(); - break; - } - ++dismiss; + while (1) + { + const uint64_t previous_height = m_core.get_current_blockchain_height(); + uint64_t start_height; + std::list<cryptonote::block_complete_entry> blocks; + boost::uuids::uuid span_connection_id; + m_block_queue.mark_last_block(previous_height - 1); + if (!m_block_queue.get_next_span(start_height, blocks, span_connection_id)) + { + MDEBUG(context << " no next span found, going back to download"); + break; + } + MDEBUG(context << " next span in the queue has blocks " << start_height << "-" << (start_height + blocks.size() - 1) + << ", we need " << previous_height); + if (previous_height < start_height || previous_height >= start_height + blocks.size()) + { + MDEBUG(context << " this span is not what we need, going back to download"); + break; } - } - if (arg.blocks.empty()) - goto skip; + const boost::posix_time::ptime start = boost::posix_time::microsec_clock::universal_time(); - m_core.prepare_handle_incoming_blocks(arg.blocks); + m_core.prepare_handle_incoming_blocks(blocks); - for(const block_complete_entry& block_entry: arg.blocks) - { - if (m_stopping) + uint64_t block_process_time_full = 0, transactions_process_time_full = 0; + for(const block_complete_entry& block_entry: blocks) { - m_core.cleanup_handle_incoming_blocks(); - return 1; - } + if (m_stopping) + { + m_core.cleanup_handle_incoming_blocks(); + return 1; + } - // process transactions - TIME_MEASURE_START(transactions_process_time); - for(auto& tx_blob: block_entry.txs) - { - tx_verification_context tvc = AUTO_VAL_INIT(tvc); - m_core.handle_incoming_tx(tx_blob, tvc, true, true, false); - if(tvc.m_verifivation_failed) + // process transactions + TIME_MEASURE_START(transactions_process_time); + for(auto& tx_blob: block_entry.txs) { - LOG_ERROR_CCONTEXT("transaction verification failed on NOTIFY_RESPONSE_GET_OBJECTS, tx_id = " - << epee::string_tools::pod_to_hex(get_blob_hash(tx_blob)) << ", dropping connection"); - m_p2p->drop_connection(context); + tx_verification_context tvc = AUTO_VAL_INIT(tvc); + m_core.handle_incoming_tx(tx_blob, tvc, true, true, false); + if(tvc.m_verifivation_failed) + { + if (!m_p2p->for_connection(span_connection_id, [&](cryptonote_connection_context& context, nodetool::peerid_type peer_id, uint32_t f)->bool{ + LOG_ERROR_CCONTEXT("transaction verification failed on NOTIFY_RESPONSE_GET_OBJECTS, tx_id = " + << epee::string_tools::pod_to_hex(get_blob_hash(tx_blob)) << ", dropping connection"); + m_p2p->drop_connection(context); + m_block_queue.flush_spans(context.m_connection_id, true); + return true; + })) + LOG_ERROR_CCONTEXT("span connection id not found"); + + m_core.cleanup_handle_incoming_blocks(); + // in case the peer had dropped beforehand, remove the span anyway so other threads can wake up and get it + m_block_queue.remove_spans(span_connection_id, start_height); + return 1; + } + } + TIME_MEASURE_FINISH(transactions_process_time); + transactions_process_time_full += transactions_process_time; + + // process block + + TIME_MEASURE_START(block_process_time); + block_verification_context bvc = boost::value_initialized<block_verification_context>(); + + m_core.handle_incoming_block(block_entry.block, bvc, false); // <--- process block + + if(bvc.m_verifivation_failed) + { + if (!m_p2p->for_connection(span_connection_id, [&](cryptonote_connection_context& context, nodetool::peerid_type peer_id, uint32_t f)->bool{ + LOG_PRINT_CCONTEXT_L1("Block verification failed, dropping connection"); + m_p2p->drop_connection(context); + m_p2p->add_host_fail(context.m_remote_address); + m_block_queue.flush_spans(context.m_connection_id, true); + return true; + })) + LOG_ERROR_CCONTEXT("span connection id not found"); + m_core.cleanup_handle_incoming_blocks(); + // in case the peer had dropped beforehand, remove the span anyway so other threads can wake up and get it + m_block_queue.remove_spans(span_connection_id, start_height); return 1; } - } - TIME_MEASURE_FINISH(transactions_process_time); + if(bvc.m_marked_as_orphaned) + { + if (!m_p2p->for_connection(span_connection_id, [&](cryptonote_connection_context& context, nodetool::peerid_type peer_id, uint32_t f)->bool{ + LOG_PRINT_CCONTEXT_L1("Block received at sync phase was marked as orphaned, dropping connection"); + m_p2p->drop_connection(context); + m_p2p->add_host_fail(context.m_remote_address); + m_block_queue.flush_spans(context.m_connection_id, true); + return true; + })) + LOG_ERROR_CCONTEXT("span connection id not found"); - // process block + m_core.cleanup_handle_incoming_blocks(); + // in case the peer had dropped beforehand, remove the span anyway so other threads can wake up and get it + m_block_queue.remove_spans(span_connection_id, start_height); + return 1; + } - TIME_MEASURE_START(block_process_time); - block_verification_context bvc = boost::value_initialized<block_verification_context>(); + TIME_MEASURE_FINISH(block_process_time); + block_process_time_full += block_process_time; - m_core.handle_incoming_block(block_entry.block, bvc, false); // <--- process block + } // each download block - if(bvc.m_verifivation_failed) - { - LOG_PRINT_CCONTEXT_L1("Block verification failed, dropping connection"); - m_p2p->drop_connection(context); - m_p2p->add_host_fail(context.m_remote_address); - 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_host_fail(context.m_remote_address); - m_core.cleanup_handle_incoming_blocks(); - return 1; - } + LOG_PRINT_CCONTEXT_L2("Block process time (" << blocks.size() << " blocks): " << block_process_time_full + transactions_process_time_full << " (" << transactions_process_time_full << "/" << block_process_time_full << ") ms"); - 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"); + m_core.cleanup_handle_incoming_blocks(); - } // each download block - m_core.cleanup_handle_incoming_blocks(); + m_block_queue.mark_last_block(m_core.get_current_blockchain_height() - 1); - if (m_core.get_current_blockchain_height() > previous_height) - { - MGINFO_YELLOW(context << " Synced " << m_core.get_current_blockchain_height() << "/" << m_core.get_target_blockchain_height()); + if (m_core.get_current_blockchain_height() > previous_height) + { + const boost::posix_time::time_duration dt = boost::posix_time::microsec_clock::universal_time() - start; + std::string timing_message = ""; + if (ELPP->vRegistry()->allowed(el::Level::Info, "sync-info")) + timing_message = std::string(" (") + std::to_string(dt.total_microseconds()/1e6) + " sec, " + + std::to_string((m_core.get_current_blockchain_height() - previous_height) * 1e6 / dt.total_microseconds()) + + " blocks/sec), " + std::to_string(m_block_queue.get_data_size() / 1048576.f) + " MB queued"; + if (ELPP->vRegistry()->allowed(el::Level::Debug, "sync-info")) + timing_message += std::string(": ") + m_block_queue.get_overview(); + MGINFO_YELLOW(context << " Synced " << m_core.get_current_blockchain_height() << "/" << m_core.get_target_blockchain_height() + << timing_message); + } } } // if not DISCARD BLOCK - + if (should_download_next_span(context)) + { + context.m_needed_objects.clear(); + context.m_last_response_height = 0; + force_next_span = true; + } } + skip: - request_missing_objects(context, true); + if (!request_missing_objects(context, true, force_next_span)) + { + LOG_ERROR_CCONTEXT("Failed to request missing objects, dropping connection"); + m_p2p->drop_connection(context); + m_block_queue.flush_spans(context.m_connection_id); + return 1; + } return 1; } //------------------------------------------------------------------------------------------------------------------------ @@ -1020,6 +1134,7 @@ skip: { LOG_ERROR_CCONTEXT("Failed to handle NOTIFY_REQUEST_CHAIN."); m_p2p->drop_connection(context); + m_block_queue.flush_spans(context.m_connection_id); 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()); @@ -1028,54 +1143,252 @@ skip: } //------------------------------------------------------------------------------------------------------------------------ template<class t_core> - bool t_cryptonote_protocol_handler<t_core>::request_missing_objects(cryptonote_connection_context& context, bool check_having_blocks) + bool t_cryptonote_protocol_handler<t_core>::should_download_next_span(cryptonote_connection_context& context) const { - //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();*/ + std::list<crypto::hash> hashes; + boost::uuids::uuid span_connection_id; + boost::posix_time::ptime request_time; + std::pair<uint64_t, uint64_t> span = m_block_queue.get_next_span_if_scheduled(hashes, span_connection_id, request_time); - if(context.m_needed_objects.size()) + // if the next span is not scheduled (or there is none) + if (span.second == 0) + { + // we might be in a weird case where there is a filled next span, + // but it starts higher than the current height + uint64_t height; + std::list<cryptonote::block_complete_entry> bcel; + if (!m_block_queue.get_next_span(height, bcel, span_connection_id, true)) + return false; + if (height > m_core.get_current_blockchain_height()) + { + MDEBUG(context << " we should download it as the next block isn't scheduled"); + return true; + } + return false; + } + // if it was scheduled by this particular peer + if (span_connection_id == context.m_connection_id) + return false; + + float span_speed = m_block_queue.get_speed(span_connection_id); + float speed = m_block_queue.get_speed(context.m_connection_id); + MDEBUG(context << " next span is scheduled for " << span_connection_id << ", speed " << span_speed << ", ours " << speed); + + // we try for that span too if: + // - we're substantially faster, or: + // - we're the fastest and the other one isn't (avoids a peer being waaaay slow but yet unmeasured) + // - the other one asked at least 5 seconds ago + if (span_speed < .25 && speed > .75f) + { + MDEBUG(context << " we should download it as we're substantially faster"); + return true; + } + if (speed == 1.0f && span_speed != 1.0f) + { + MDEBUG(context << " we should download it as we're the fastest peer"); + return true; + } + const boost::posix_time::ptime now = boost::posix_time::microsec_clock::universal_time(); + if ((now - request_time).total_microseconds() > REQUEST_NEXT_SCHEDULED_SPAN_THRESHOLD) + { + MDEBUG(context << " we should download it as this span was requested long ago"); + return true; + } + return false; + } + //------------------------------------------------------------------------------------------------------------------------ + template<class t_core> + bool t_cryptonote_protocol_handler<t_core>::request_missing_objects(cryptonote_connection_context& context, bool check_having_blocks, bool force_next_span) + { + m_block_queue.mark_last_block(m_core.get_current_blockchain_height() - 1); + + // if we don't need to get next span, and the block queue is full enough, wait a bit + bool start_from_current_chain = false; + if (!force_next_span) + { + bool first = true; + while (1) + { + size_t nblocks = m_block_queue.get_num_filled_spans(); + size_t size = m_block_queue.get_data_size(); + if (nblocks < BLOCK_QUEUE_NBLOCKS_THRESHOLD || size < BLOCK_QUEUE_SIZE_THRESHOLD) + { + if (!first) + { + LOG_DEBUG_CC(context, "Block queue is " << nblocks << " and " << size << ", resuming"); + } + break; + } + + if (should_download_next_span(context)) + { + MDEBUG(context << " we should try for that next span too, we think we could get it faster, resuming"); + force_next_span = true; + break; + } + + if (first) + { + LOG_DEBUG_CC(context, "Block queue is " << nblocks << " and " << size << ", pausing"); + first = false; + } + for (size_t n = 0; n < 50; ++n) + { + if (m_stopping) + return 1; + boost::this_thread::sleep_for(boost::chrono::milliseconds(100)); + } + } + } + + MDEBUG(context << " request_missing_objects: check " << check_having_blocks << ", force_next_span " << force_next_span << ", m_needed_objects " << context.m_needed_objects.size() << " lrh " << context.m_last_response_height << ", chain " << m_core.get_current_blockchain_height()); + if(context.m_needed_objects.size() || force_next_span) { //we know objects that we need, request this objects NOTIFY_REQUEST_GET_OBJECTS::request req; + bool is_next = false; size_t count = 0; - auto it = context.m_needed_objects.begin(); - const size_t count_limit = m_core.get_block_sync_size(); - MDEBUG("Setting count_limit: " << count_limit); - while(it != context.m_needed_objects.end() && count < count_limit) + std::pair<uint64_t, uint64_t> span = std::make_pair(0, 0); + if (force_next_span) { - if( !(check_having_blocks && m_core.have_block(*it))) + MDEBUG(context << " force_next_span is true, trying next span"); + span = m_block_queue.get_start_gap_span(); + if (span.second > 0) { - req.blocks.push_back(*it); - ++count; - context.m_requested_objects.insert(*it); + const uint64_t first_block_height_known = context.m_last_response_height - context.m_needed_objects.size() + 1; + const uint64_t last_block_height_known = context.m_last_response_height; + const uint64_t first_block_height_needed = span.first; + const uint64_t last_block_height_needed = span.first + std::min(span.second, (uint64_t)count_limit) - 1; + MDEBUG(context << " gap found, span: " << span.first << " - " << span.first + span.second - 1 << " (" << last_block_height_needed << ")"); + MDEBUG(context << " current known hashes from from " << first_block_height_known << " to " << last_block_height_known); + if (first_block_height_needed < first_block_height_known || last_block_height_needed > last_block_height_known) + { + MDEBUG(context << " we are missing some of the necessary hashes for this gap, requesting chain again"); + context.m_needed_objects.clear(); + context.m_last_response_height = 0; + start_from_current_chain = true; + goto skip; + } + MDEBUG(context << " we have the hashes for this gap"); + } + if (span.second == 0) + { + std::list<crypto::hash> hashes; + boost::uuids::uuid span_connection_id; + boost::posix_time::ptime time; + span = m_block_queue.get_next_span_if_scheduled(hashes, span_connection_id, time); + if (span.second > 0) + { + is_next = true; + for (const auto &hash: hashes) + { + req.blocks.push_back(hash); + context.m_requested_objects.insert(hash); + } + } } - 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()); + if (span.second == 0) + { + MDEBUG(context << " span size is 0"); + if (context.m_last_response_height + 1 < context.m_needed_objects.size()) + { + MERROR(context << " ERROR: inconsistent context: lrh " << context.m_last_response_height << ", nos " << context.m_needed_objects.size()); + context.m_needed_objects.clear(); + context.m_last_response_height = 0; + goto skip; + } + const uint64_t first_block_height = context.m_last_response_height - context.m_needed_objects.size() + 1; + span = m_block_queue.reserve_span(first_block_height, context.m_last_response_height, count_limit, context.m_connection_id); + MDEBUG(context << " span from " << first_block_height << ": " << span.first << "/" << span.second); + } + if (span.second == 0 && !force_next_span) + { + MDEBUG(context << " still no span reserved, we may be in the corner case of next span scheduled and everything else scheduled/filled"); + std::list<crypto::hash> hashes; + boost::uuids::uuid span_connection_id; + boost::posix_time::ptime time; + span = m_block_queue.get_next_span_if_scheduled(hashes, span_connection_id, time); + if (span.second > 0) + { + is_next = true; + for (const auto &hash: hashes) + { + req.blocks.push_back(hash); + context.m_requested_objects.insert(hash); + } + } + } + MDEBUG(context << " span: " << span.first << "/" << span.second << " (" << span.first << " - " << (span.first + span.second - 1) << ")"); + if (span.second > 0) + { + if (!is_next) + { + const uint64_t first_context_block_height = context.m_last_response_height - context.m_needed_objects.size() + 1; + uint64_t skip = span.first - first_context_block_height; + if (skip > context.m_needed_objects.size()) + { + MERROR("ERROR: skip " << skip << ", m_needed_objects " << context.m_needed_objects.size() << ", first_context_block_height" << first_context_block_height); + return false; + } + while (skip--) + context.m_needed_objects.pop_front(); + if (context.m_needed_objects.size() < span.second) + { + MERROR("ERROR: span " << span.first << "/" << span.second << ", m_needed_objects " << context.m_needed_objects.size()); + return false; + } + + std::list<crypto::hash> hashes; + auto it = context.m_needed_objects.begin(); + for (size_t n = 0; n < span.second; ++n) + { + req.blocks.push_back(*it); + ++count; + context.m_requested_objects.insert(*it); + hashes.push_back(*it); + auto j = it++; + context.m_needed_objects.erase(j); + } + + m_block_queue.set_span_hashes(span.first, context.m_connection_id, hashes); + } + + context.m_last_request_time = boost::posix_time::microsec_clock::universal_time(); + LOG_PRINT_CCONTEXT_L1("-->>NOTIFY_REQUEST_GET_OBJECTS: blocks.size()=" << req.blocks.size() << ", txs.size()=" << req.txs.size() + << "requested blocks count=" << count << " / " << count_limit << " from " << span.first); + //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<NOTIFY_REQUEST_GET_OBJECTS>(req, context); + return true; + } + } - post_notify<NOTIFY_REQUEST_GET_OBJECTS>(req, context); - }else if(context.m_last_response_height < context.m_remote_blockchain_height-1) +skip: + context.m_needed_objects.clear(); + 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<NOTIFY_REQUEST_CHAIN::request>(); m_core.get_short_chain_history(r.block_ids); + + if (!start_from_current_chain) + { + // we'll want to start off from where we are on the download side, which may not be added yet + crypto::hash last_known_hash = m_block_queue.get_last_known_hash(); + if (last_known_hash != cryptonote::null_hash && r.block_ids.front() != last_known_hash) + r.block_ids.push_front(last_known_hash); + } + 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("r = " << 200); - LOG_PRINT_CCONTEXT_L1("-->>NOTIFY_REQUEST_CHAIN: m_block_ids.size()=" << r.block_ids.size() ); + LOG_PRINT_CCONTEXT_L1("-->>NOTIFY_REQUEST_CHAIN: m_block_ids.size()=" << r.block_ids.size() << ", start_from_current_chain " << start_from_current_chain); post_notify<NOTIFY_REQUEST_CHAIN>(r, context); }else { @@ -1134,15 +1447,7 @@ skip: LOG_ERROR_CCONTEXT("sent empty m_block_ids, dropping connection"); m_p2p->drop_connection(context); m_p2p->add_host_fail(context.m_remote_address); - 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_host_fail(context.m_remote_address); + m_block_queue.flush_spans(context.m_connection_id); return 1; } @@ -1154,15 +1459,22 @@ skip: << ", m_start_height=" << arg.start_height << ", m_block_ids.size()=" << arg.m_block_ids.size()); m_p2p->drop_connection(context); + m_block_queue.flush_spans(context.m_connection_id); + return 1; } for(auto& bl_id: arg.m_block_ids) { - if(!m_core.have_block(bl_id)) - context.m_needed_objects.push_back(bl_id); + context.m_needed_objects.push_back(bl_id); } - request_missing_objects(context, false); + if (!request_missing_objects(context, false)) + { + LOG_ERROR_CCONTEXT("Failed to request missing objects, dropping connection"); + m_p2p->drop_connection(context); + m_block_queue.flush_spans(context.m_connection_id); + return 1; + } return 1; } //------------------------------------------------------------------------------------------------------------------------ |