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https://codeberg.org/anoncontributorxmr/monero.git
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node_server: add race condition demo
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anon
parent
2d3ce2d64a
commit
8922f96e61
@ -35,6 +35,7 @@
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#include "cryptonote_core/i_core_events.h"
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#include "cryptonote_protocol/cryptonote_protocol_handler.h"
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#include "cryptonote_protocol/cryptonote_protocol_handler.inl"
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#include <condition_variable>
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#define MAKE_IPV4_ADDRESS(a,b,c,d) epee::net_utils::ipv4_network_address{MAKE_IP(a,b,c,d),0}
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#define MAKE_IPV4_ADDRESS_PORT(a,b,c,d,e) epee::net_utils::ipv4_network_address{MAKE_IP(a,b,c,d),e}
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@ -906,5 +907,264 @@ TEST(cryptonote_protocol_handler, race_condition)
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remove_tree(dir);
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}
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TEST(node_server, race_condition)
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{
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struct contexts {
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using cryptonote = cryptonote::cryptonote_connection_context;
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using p2p = nodetool::p2p_connection_context_t<cryptonote>;
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};
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using context_t = contexts::cryptonote;
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using options_t = boost::program_options::variables_map;
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using options_description_t = boost::program_options::options_description;
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using worker_t = std::thread;
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struct protocol_t {
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private:
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using p2p_endpoint_t = nodetool::i_p2p_endpoint<context_t>;
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using lock_t = std::mutex;
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using condition_t = std::condition_variable_any;
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using unique_lock_t = std::unique_lock<lock_t>;
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p2p_endpoint_t *p2p_endpoint;
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lock_t lock;
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condition_t condition;
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bool started{};
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size_t counter{};
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public:
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using payload_t = cryptonote::CORE_SYNC_DATA;
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using blob_t = cryptonote::blobdata;
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using connection_context = context_t;
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using payload_type = payload_t;
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using relay_t = cryptonote::relay_method;
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using string_t = std::string;
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using span_t = epee::span<const uint8_t>;
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using blobs_t = epee::span<const cryptonote::blobdata>;
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using connections_t = std::list<cryptonote::connection_info>;
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using block_queue_t = cryptonote::block_queue;
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using stripes_t = std::pair<uint32_t, uint32_t>;
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using byte_stream_t = epee::byte_stream;
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struct core_events_t: cryptonote::i_core_events {
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uint64_t get_current_blockchain_height() const override { return {}; }
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bool is_synchronized() const override { return {}; }
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void on_transactions_relayed(blobs_t blobs, relay_t relay) override {}
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};
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int handle_invoke_map(bool is_notify, int command, const span_t in, byte_stream_t &out, context_t &context, bool &handled) {
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return {};
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}
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bool on_idle() {
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if (not p2p_endpoint)
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return {};
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{
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unique_lock_t guard(lock);
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if (not started)
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started = true;
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else
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return {};
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}
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std::vector<blob_t> txs(128 / 64 * 1024 * 1024, blob_t(1, 'x'));
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worker_t worker([this]{
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p2p_endpoint->for_each_connection(
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[this](context_t &, uint64_t, uint32_t){
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{
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unique_lock_t guard(lock);
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++counter;
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condition.notify_all();
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condition.wait(guard, [this]{ return counter >= 3; });
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}
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std::this_thread::sleep_for(std::chrono::milliseconds(8));
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return false;
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}
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);
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});
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{
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unique_lock_t guard(lock);
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++counter;
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condition.notify_all();
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condition.wait(guard, [this]{ return counter >= 3; });
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++counter;
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condition.notify_all();
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condition.wait(guard, [this]{ return counter >= 5; });
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}
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p2p_endpoint->send_txs(
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std::move(txs),
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epee::net_utils::zone::public_,
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{},
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relay_t::fluff
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);
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worker.join();
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return {};
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}
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bool init(const options_t &options) { return {}; }
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bool deinit() { return {}; }
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void set_p2p_endpoint(p2p_endpoint_t *p2p_endpoint) {
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this->p2p_endpoint = p2p_endpoint;
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}
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bool process_payload_sync_data(const payload_t &payload, contexts::p2p &context, bool is_inital) {
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context.m_state = context_t::state_normal;
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context.m_needed_objects.resize(512 * 1024);
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{
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unique_lock_t guard(lock);
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++counter;
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condition.notify_all();
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condition.wait(guard, [this]{ return counter >= 3; });
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++counter;
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condition.notify_all();
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condition.wait(guard, [this]{ return counter >= 5; });
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}
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return true;
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}
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bool get_payload_sync_data(blob_t &blob) { return {}; }
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bool get_payload_sync_data(payload_t &payload) { return {}; }
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bool on_callback(context_t &context) { return {}; }
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core_events_t &get_core(){ static core_events_t core_events; return core_events;}
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void log_connections() {}
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connections_t get_connections() { return {}; }
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const block_queue_t &get_block_queue() const {
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static block_queue_t block_queue;
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return block_queue;
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}
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void stop() {}
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void on_connection_close(context_t &context) {}
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void set_max_out_peers(unsigned int max) {}
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bool no_sync() const { return {}; }
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void set_no_sync(bool value) {}
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string_t get_peers_overview() const { return {}; }
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stripes_t get_next_needed_pruning_stripe() const { return {}; }
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bool needs_new_sync_connections() const { return {}; }
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bool is_busy_syncing() { return {}; }
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};
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using node_server_t = nodetool::node_server<protocol_t>;
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auto conduct_test = [](protocol_t &protocol){
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struct messages {
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struct core {
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using sync = cryptonote::CORE_SYNC_DATA;
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};
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using handshake = nodetool::COMMAND_HANDSHAKE_T<core::sync>;
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};
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using handler_t = epee::levin::async_protocol_handler<context_t>;
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using connection_t = epee::net_utils::connection<handler_t>;
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using connection_ptr = boost::shared_ptr<connection_t>;
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using shared_state_t = typename connection_t::shared_state;
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using shared_state_ptr = std::shared_ptr<shared_state_t>;
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using io_context_t = boost::asio::io_service;
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using work_t = boost::asio::io_service::work;
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using work_ptr = std::shared_ptr<work_t>;
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using workers_t = std::vector<std::thread>;
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using endpoint_t = boost::asio::ip::tcp::endpoint;
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using event_t = epee::simple_event;
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struct command_handler_t: epee::levin::levin_commands_handler<context_t> {
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using span_t = epee::span<const uint8_t>;
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using byte_stream_t = epee::byte_stream;
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int invoke(int, const span_t, byte_stream_t &, context_t &) override { return {}; }
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int notify(int, const span_t, context_t &) override { return {}; }
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void callback(context_t &) override {}
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void on_connection_new(context_t &) override {}
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void on_connection_close(context_t &) override {}
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~command_handler_t() override {}
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static void destroy(epee::levin::levin_commands_handler<context_t>* ptr) { delete ptr; }
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};
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io_context_t io_context;
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work_ptr work = std::make_shared<work_t>(io_context);
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workers_t workers;
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while (workers.size() < 4) {
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workers.emplace_back([&io_context]{
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io_context.run();
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});
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}
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io_context.post([&]{
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protocol.on_idle();
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});
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io_context.post([&]{
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protocol.on_idle();
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});
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shared_state_ptr shared_state = std::make_shared<shared_state_t>();
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shared_state->set_handler(new command_handler_t, &command_handler_t::destroy);
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connection_ptr conn{new connection_t(io_context, shared_state, {}, {})};
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endpoint_t endpoint(boost::asio::ip::address::from_string("127.0.0.1"), 48080);
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conn->socket().connect(endpoint);
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conn->socket().set_option(boost::asio::ip::tcp::socket::reuse_address(true));
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conn->start({}, {});
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context_t context;
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conn->get_context(context);
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event_t handshaked;
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typename messages::handshake::request_t msg{{
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::config::NETWORK_ID,
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58080,
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}};
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epee::net_utils::async_invoke_remote_command2<typename messages::handshake::response>(
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context,
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messages::handshake::ID,
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msg,
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*shared_state,
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[conn, &handshaked](int code, const typename messages::handshake::response &msg, context_t &context){
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EXPECT_TRUE(code >= 0);
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handshaked.raise();
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},
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P2P_DEFAULT_HANDSHAKE_INVOKE_TIMEOUT
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);
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handshaked.wait();
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conn->strand_.post([conn]{
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conn->cancel();
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});
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conn.reset();
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work.reset();
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for (auto& w: workers) {
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w.join();
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}
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};
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using path_t = boost::filesystem::path;
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using ec_t = boost::system::error_code;
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auto create_dir = []{
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ec_t ec;
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path_t path = boost::filesystem::temp_directory_path() / boost::filesystem::unique_path("daemon-%%%%%%%%%%%%%%%%", ec);
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if (ec)
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return path_t{};
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auto success = boost::filesystem::create_directory(path, ec);
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if (not ec && success)
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return path;
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return path_t{};
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};
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auto remove_tree = [](const path_t &path){
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ec_t ec;
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boost::filesystem::remove_all(path, ec);
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};
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const auto dir = create_dir();
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ASSERT_TRUE(not dir.empty());
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protocol_t protocol{};
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node_server_t node_server(protocol);
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protocol.set_p2p_endpoint(&node_server);
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node_server.init(
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[&dir]{
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options_t options;
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boost::program_options::store(
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boost::program_options::command_line_parser({
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"--p2p-bind-ip=127.0.0.1",
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"--p2p-bind-port=48080",
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"--out-peers=0",
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"--data-dir",
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dir.string(),
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"--no-igd",
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"--add-exclusive-node=127.0.0.1:48080",
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"--check-updates=disabled",
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"--disable-dns-checkpoints",
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}).options([]{
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options_description_t options_description{};
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cryptonote::core::init_options(options_description);
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node_server_t::init_options(options_description);
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return options_description;
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}()).run(),
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options
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);
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return options;
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}()
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);
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worker_t worker([&]{
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node_server.run();
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});
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conduct_test(protocol);
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node_server.send_stop_signal();
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worker.join();
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node_server.deinit();
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remove_tree(dir);
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}
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namespace nodetool { template class node_server<cryptonote::t_cryptonote_protocol_handler<test_core>>; }
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namespace cryptonote { template class t_cryptonote_protocol_handler<test_core>; }
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