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authorAntonio Juarez <antonio.maria.juarez@live.com>2014-03-03 22:07:58 +0000
committerAntonio Juarez <antonio.maria.juarez@live.com>2014-03-03 22:07:58 +0000
commit296ae46ed8f8f6e5f986f978febad302e3df231a (patch)
tree1629164454a239308f33c9e12afb22e7f3cd8eeb /src/cryptonote_protocol/cryptonote_protocol_handler.inl
parentchanged name (diff)
downloadmonero-296ae46ed8f8f6e5f986f978febad302e3df231a.tar.xz
moved all stuff to github
Diffstat (limited to 'src/cryptonote_protocol/cryptonote_protocol_handler.inl')
-rw-r--r--src/cryptonote_protocol/cryptonote_protocol_handler.inl474
1 files changed, 474 insertions, 0 deletions
diff --git a/src/cryptonote_protocol/cryptonote_protocol_handler.inl b/src/cryptonote_protocol/cryptonote_protocol_handler.inl
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+++ b/src/cryptonote_protocol/cryptonote_protocol_handler.inl
@@ -0,0 +1,474 @@
+// Copyright (c) 2012-2013 The Cryptonote developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include <boost/interprocess/detail/atomic.hpp>
+#include "cryptonote_core/cryptonote_format_utils.h"
+#include "profile_tools.h"
+namespace cryptonote
+{
+
+ //-----------------------------------------------------------------------------------------------------------------------
+ template<class t_core>
+ t_cryptonote_protocol_handler<t_core>::t_cryptonote_protocol_handler(t_core& rcore, nodetool::i_p2p_endpoint<connection_context>* p_net_layout):m_core(rcore),
+ m_p2p(p_net_layout),
+ m_syncronized_connections_count(0),
+ m_welcome_showed(false)
+
+ {
+ if(!m_p2p)
+ m_p2p = &m_p2p_stub;
+ }
+ //-----------------------------------------------------------------------------------------------------------------------
+ template<class t_core>
+ bool t_cryptonote_protocol_handler<t_core>::init(const boost::program_options::variables_map& vm)
+ {
+ return true;
+ }
+ //------------------------------------------------------------------------------------------------------------------------
+ template<class t_core>
+ bool t_cryptonote_protocol_handler<t_core>::deinit()
+ {
+
+
+ return true;
+ }
+ //------------------------------------------------------------------------------------------------------------------------
+ template<class t_core>
+ void t_cryptonote_protocol_handler<t_core>::set_p2p_endpoint(nodetool::i_p2p_endpoint<connection_context>* p2p)
+ {
+ if(p2p)
+ m_p2p = p2p;
+ else
+ m_p2p = &m_p2p_stub;
+ }
+ //------------------------------------------------------------------------------------------------------------------------
+ template<class t_core>
+ bool t_cryptonote_protocol_handler<t_core>::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<NOTIFY_REQUEST_CHAIN::request>();
+ 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<NOTIFY_REQUEST_CHAIN>(r, context);
+ }
+
+ return true;
+ }
+ //------------------------------------------------------------------------------------------------------------------------
+ template<class t_core>
+ bool t_cryptonote_protocol_handler<t_core>::get_stat_info(core_stat_info& stat_inf)
+ {
+ return m_core.get_stat_info(stat_inf);
+ }
+ //------------------------------------------------------------------------------------------------------------------------
+ template<class t_core>
+ bool t_cryptonote_protocol_handler<t_core>::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;
+ }
+
+ LOG_PRINT_CCONTEXT_BLUE("Sync data returned unknown top block " << "["<< m_core.get_current_blockchain_height() << "->" << hshd.current_height << "] " << hshd.top_id << ", set SYNCHRONIZATION mode", LOG_LEVEL_0);
+ 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<class t_core>
+ bool t_cryptonote_protocol_handler<t_core>::process_handshake_data(const blobdata& data, cryptonote_connection_context& context)
+ {
+ CORE_SYNC_DATA hsd = boost::value_initialized<CORE_SYNC_DATA>();
+ StorageNamed::load_struct_from_storage_buff(hsd, data);
+ return process_handshake_data(hsd, context);
+ }*/
+ //------------------------------------------------------------------------------------------------------------------------
+ template<class t_core>
+ bool t_cryptonote_protocol_handler<t_core>::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<class t_core>
+ bool t_cryptonote_protocol_handler<t_core>::get_payload_sync_data(blobdata& data)
+ {
+ CORE_SYNC_DATA hsd = boost::value_initialized<CORE_SYNC_DATA>();
+ get_payload_sync_data(hsd);
+ epee::serialization::store_t_to_binary(hsd, data);
+ return true;
+ }
+ //------------------------------------------------------------------------------------------------------------------------
+ template<class t_core>
+ int t_cryptonote_protocol_handler<t_core>::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;
+
+ 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);
+ if(tvc.m_verifivation_failed)
+ {
+ LOG_PRINT_CCONTEXT_L0("Block verification failed: transaction verification failed, dropping connection");
+ m_p2p->drop_connection(context);
+ return 1;
+ }
+ }
+
+
+ block_verification_context bvc = boost::value_initialized<block_verification_context>();
+ m_core.pause_mine();
+ m_core.handle_incoming_block(arg.b.block, bvc);
+ 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<NOTIFY_REQUEST_CHAIN::request>();
+ 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<NOTIFY_REQUEST_CHAIN>(r, context);
+ }
+
+ return 1;
+ }
+ //------------------------------------------------------------------------------------------------------------------------
+ template<class t_core>
+ int t_cryptonote_protocol_handler<t_core>::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);
+ if(tvc.m_verifivation_failed)
+ {
+ LOG_PRINT_CCONTEXT_L0("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<class t_core>
+ int t_cryptonote_protocol_handler<t_core>::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<NOTIFY_RESPONSE_GET_OBJECTS>(rsp, context);
+ return 1;
+ }
+ //------------------------------------------------------------------------------------------------------------------------
+ template<class t_core>
+ int t_cryptonote_protocol_handler<t_core>::handle_response_get_objects(int command, NOTIFY_RESPONSE_GET_OBJECTS::request& arg, cryptonote_connection_context& context)
+ {
+ LOG_PRINT_CCONTEXT_L2("NOTIFY_RESPONSE_GET_OBJECTS");
+ 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;
+
+ BOOST_FOREACH(const block_complete_entry& block_entry, arg.blocks)
+ {
+ 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"
+ << string_tools::buff_to_hex_nodelimer(block_entry.block) << "\r\n dropping connection");
+ m_p2p->drop_connection(context);
+ 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=" << 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=" << 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();
+ misc_utils::auto_scope_leave_caller scope_exit_handler = misc_utils::create_scope_leave_handler(
+ boost::bind(&t_core::resume_mine, &m_core));
+
+ 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);
+ if(tvc.m_verifivation_failed)
+ {
+ LOG_ERROR_CCONTEXT("transaction verification failed on NOTIFY_RESPONSE_GET_OBJECTS, \r\ntx_id = "
+ << string_tools::pod_to_hex(get_blob_hash(tx_blob)) << ", dropping connection");
+ m_p2p->drop_connection(context);
+ return 1;
+ }
+ }
+ TIME_MEASURE_FINISH(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);
+
+ if(bvc.m_verifivation_failed)
+ {
+ LOG_PRINT_CCONTEXT_L0("Block verification failed, dropping connection");
+ m_p2p->drop_connection(context);
+ return 1;
+ }
+ if(bvc.m_marked_as_orphaned)
+ {
+ LOG_PRINT_CCONTEXT_L0("Block received at sync phase was marked as orphaned, dropping connection");
+ m_p2p->drop_connection(context);
+ 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");
+ }
+ }
+
+ request_missing_objects(context, true);
+ return 1;
+ }
+ //------------------------------------------------------------------------------------------------------------------------
+ template<class t_core>
+ bool t_cryptonote_protocol_handler<t_core>::on_idle()
+ {
+ return m_core.on_idle();
+ }
+ //------------------------------------------------------------------------------------------------------------------------
+ template<class t_core>
+ int t_cryptonote_protocol_handler<t_core>::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<NOTIFY_RESPONSE_CHAIN_ENTRY>(r, context);
+ return 1;
+ }
+ //------------------------------------------------------------------------------------------------------------------------
+ template<class t_core>
+ bool t_cryptonote_protocol_handler<t_core>::request_missing_objects(cryptonote_connection_context& context, bool check_having_blocks)
+ {
+ 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();
+
+ 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_L2("-->>NOTIFY_REQUEST_GET_OBJECTS: blocks.size()=" << req.blocks.size() << ", txs.size()=" << req.txs.size());
+ post_notify<NOTIFY_REQUEST_GET_OBJECTS>(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<NOTIFY_REQUEST_CHAIN::request>();
+ 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<NOTIFY_REQUEST_CHAIN>(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 [" << net_utils::print_connection_context_short(context)<< "]");
+
+ context.m_state = cryptonote_connection_context::state_normal;
+ LOG_PRINT_CCONTEXT_GREEN(" SYNCHRONIZED OK", LOG_LEVEL_0);
+ if( true/*get_synchronizing_connections_count() == 0 && !m_welcome_showed*/)
+ {
+ on_connection_synchronized();
+ }
+ }
+ return true;
+ }
+ //------------------------------------------------------------------------------------------------------------------------
+ template<class t_core>
+ bool t_cryptonote_protocol_handler<t_core>::on_connection_synchronized()
+ {
+ bool val_expected = false;
+ if(m_welcome_showed.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<class t_core>
+ size_t t_cryptonote_protocol_handler<t_core>::get_synchronizing_connections_count()
+ {
+ size_t count = 0;
+ m_p2p->for_each_connection([&](cryptonote_connection_context& context)->bool{
+ if(context.m_state == cryptonote_connection_context::state_synchronizing)
+ ++count;
+ return true;
+ });
+ return count;
+ }
+ //------------------------------------------------------------------------------------------------------------------------
+ template<class t_core>
+ int t_cryptonote_protocol_handler<t_core>::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);
+ return 1;
+ }
+
+ if(!m_core.have_block(arg.m_block_ids.front()))
+ {
+ LOG_ERROR_CCONTEXT("sent m_block_ids starting from unknown id: "
+ << string_tools::pod_to_hex(arg.m_block_ids.front()) << " , dropping connection");
+ m_p2p->drop_connection(context);
+ 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<class t_core>
+ bool t_cryptonote_protocol_handler<t_core>::relay_block(NOTIFY_NEW_BLOCK::request& arg, cryptonote_connection_context& exclude_context)
+ {
+ return relay_post_notify<NOTIFY_NEW_BLOCK>(arg, exclude_context);
+ }
+ //------------------------------------------------------------------------------------------------------------------------
+ template<class t_core>
+ bool t_cryptonote_protocol_handler<t_core>::relay_transactions(NOTIFY_NEW_TRANSACTIONS::request& arg, cryptonote_connection_context& exclude_context)
+ {
+ return relay_post_notify<NOTIFY_NEW_TRANSACTIONS>(arg, exclude_context);
+ }
+}