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Merge pull request #7874 

9154883 node_server: fix race condition (anon)
8922f96 node_server: add race condition demo (anon)
This commit is contained in:
luigi1111 2021-10-11 12:56:14 -05:00
parent 7f477c1902 9154883f3e
commit 45920c36f1
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GPG Key ID: F4ACA0183641E010
6 changed files with 390 additions and 52 deletions
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54
src/cryptonote_protocol/levin_notify.cpp
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@ -287,6 +287,12 @@ namespace levin
boost::asio::steady_timer next_epoch; boost::asio::steady_timer next_epoch;
boost::asio::steady_timer flush_txs; boost::asio::steady_timer flush_txs;
boost::asio::io_service::strand strand; boost::asio::io_service::strand strand;
struct context_t {
std::vector<cryptonote::blobdata> fluff_txs;
std::chrono::steady_clock::time_point flush_time;
bool m_is_income;
};
boost::unordered_map<boost::uuids::uuid, context_t> contexts;
net::dandelionpp::connection_map map;//!< Tracks outgoing uuid's for noise channels or Dandelion++ stems net::dandelionpp::connection_map map;//!< Tracks outgoing uuid's for noise channels or Dandelion++ stems
std::deque<noise_channel> channels; //!< Never touch after init; only update elements on `noise_channel.strand` std::deque<noise_channel> channels; //!< Never touch after init; only update elements on `noise_channel.strand`
std::atomic<std::size_t> connection_count; //!< Only update in strand, can be read at any time std::atomic<std::size_t> connection_count; //!< Only update in strand, can be read at any time
@ -363,14 +369,16 @@ namespace levin
const auto now = std::chrono::steady_clock::now(); const auto now = std::chrono::steady_clock::now();
auto next_flush = std::chrono::steady_clock::time_point::max(); auto next_flush = std::chrono::steady_clock::time_point::max();
std::vector<std::pair<std::vector<blobdata>, boost::uuids::uuid>> connections{}; std::vector<std::pair<std::vector<blobdata>, boost::uuids::uuid>> connections{};
zone_->p2p->foreach_connection([timer_error, now, &next_flush, &connections] (detail::p2p_context& context) for (auto &e: zone_->contexts)
{ {
auto &id = e.first;
auto &context = e.second;
if (!context.fluff_txs.empty()) if (!context.fluff_txs.empty())
{ {
if (context.flush_time <= now || timer_error) // flush on canceled timer if (context.flush_time <= now || timer_error) // flush on canceled timer
{ {
context.flush_time = std::chrono::steady_clock::time_point::max(); context.flush_time = std::chrono::steady_clock::time_point::max();
connections.emplace_back(std::move(context.fluff_txs), context.m_connection_id); connections.emplace_back(std::move(context.fluff_txs), id);
context.fluff_txs.clear(); context.fluff_txs.clear();
} }
else // not flushing yet else // not flushing yet
@ -378,8 +386,7 @@ namespace levin
} }
else // nothing to flush else // nothing to flush
context.flush_time = std::chrono::steady_clock::time_point::max(); context.flush_time = std::chrono::steady_clock::time_point::max();
return true; }
});
/* Always send with `fluff` flag, even over i2p/tor. The hidden service /* Always send with `fluff` flag, even over i2p/tor. The hidden service
will disable the forwarding delay and immediately fluff. The i2p/tor will disable the forwarding delay and immediately fluff. The i2p/tor
@ -427,22 +434,21 @@ namespace levin
MDEBUG("Queueing " << txs.size() << " transaction(s) for Dandelion++ fluffing"); MDEBUG("Queueing " << txs.size() << " transaction(s) for Dandelion++ fluffing");
for (auto &e: zone->contexts)
zone->p2p->foreach_connection([txs, now, &zone, &source, &in_duration, &out_duration, &next_flush] (detail::p2p_context& context)
{ {
auto &id = e.first;
auto &context = e.second;
// When i2p/tor, only fluff to outbound connections // When i2p/tor, only fluff to outbound connections
if (context.handshake_complete() && source != context.m_connection_id && (zone->nzone == epee::net_utils::zone::public_ || !context.m_is_income)) if (source != id && (zone->nzone == epee::net_utils::zone::public_ || !context.m_is_income))
{ {
if (context.fluff_txs.empty()) if (context.fluff_txs.empty())
context.flush_time = now + (context.m_is_income ? in_duration() : out_duration()); context.flush_time = now + (context.m_is_income ? in_duration() : out_duration());
next_flush = std::min(next_flush, context.flush_time); next_flush = std::min(next_flush, context.flush_time);
context.fluff_txs.reserve(context.fluff_txs.size() + txs.size()); context.fluff_txs.reserve(context.fluff_txs.size() + txs.size());
for (const blobdata& tx : txs) context.fluff_txs.insert(context.fluff_txs.end(), txs.begin(), txs.end());
context.fluff_txs.push_back(tx); // must copy instead of move (multiple conns) }
} }
return true;
});
if (next_flush == std::chrono::steady_clock::time_point::max()) if (next_flush == std::chrono::steady_clock::time_point::max())
MWARNING("Unable to send transaction(s), no available connections"); MWARNING("Unable to send transaction(s), no available connections");
@ -749,6 +755,32 @@ namespace levin
); );
} }
void notify::on_handshake_complete(const boost::uuids::uuid &id, bool is_income)
{
if (!zone_)
return;
auto& zone = zone_;
zone_->strand.dispatch([zone, id, is_income]{
zone->contexts[id] = {
.fluff_txs = {},
.flush_time = std::chrono::steady_clock::time_point::max(),
.m_is_income = is_income,
};
});
}
void notify::on_connection_close(const boost::uuids::uuid &id)
{
if (!zone_)
return;
auto& zone = zone_;
zone_->strand.dispatch([zone, id]{
zone->contexts.erase(id);
});
}
void notify::run_epoch() void notify::run_epoch()
{ {
if (!zone_) if (!zone_)

3
src/cryptonote_protocol/levin_notify.h
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@ -101,6 +101,9 @@ namespace levin
//! Probe for new outbound connection - skips if not needed. //! Probe for new outbound connection - skips if not needed.
void new_out_connection(); void new_out_connection();
void on_handshake_complete(const boost::uuids::uuid &id, bool is_income);
void on_connection_close(const boost::uuids::uuid &id);
//! Run the logic for the next epoch immediately. Only use in testing. //! Run the logic for the next epoch immediately. Only use in testing.
void run_epoch(); void run_epoch();

6
src/p2p/net_node.h
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@ -111,15 +111,11 @@ namespace nodetool
struct p2p_connection_context_t: base_type //t_payload_net_handler::connection_context //public net_utils::connection_context_base struct p2p_connection_context_t: base_type //t_payload_net_handler::connection_context //public net_utils::connection_context_base
{ {
p2p_connection_context_t() p2p_connection_context_t()
: fluff_txs(), : peer_id(0),
flush_time(std::chrono::steady_clock::time_point::max()),
peer_id(0),
support_flags(0), support_flags(0),
m_in_timedsync(false) m_in_timedsync(false)
{} {}
std::vector<cryptonote::blobdata> fluff_txs;
std::chrono::steady_clock::time_point flush_time;
peerid_type peer_id; peerid_type peer_id;
uint32_t support_flags; uint32_t support_flags;
bool m_in_timedsync; bool m_in_timedsync;

6
src/p2p/net_node.inl
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@ -1429,6 +1429,7 @@ namespace nodetool
ape.first_seen = first_seen_stamp ? first_seen_stamp : time(nullptr); ape.first_seen = first_seen_stamp ? first_seen_stamp : time(nullptr);
zone.m_peerlist.append_with_peer_anchor(ape); zone.m_peerlist.append_with_peer_anchor(ape);
zone.m_notifier.on_handshake_complete(con->m_connection_id, con->m_is_income);
zone.m_notifier.new_out_connection(); zone.m_notifier.new_out_connection();
LOG_DEBUG_CC(*con, "CONNECTION HANDSHAKED OK."); LOG_DEBUG_CC(*con, "CONNECTION HANDSHAKED OK.");
@ -2543,6 +2544,8 @@ namespace nodetool
return 1; return 1;
} }
zone.m_notifier.on_handshake_complete(context.m_connection_id, context.m_is_income);
if(has_too_many_connections(context.m_remote_address)) if(has_too_many_connections(context.m_remote_address))
{ {
LOG_PRINT_CCONTEXT_L1("CONNECTION FROM " << context.m_remote_address.host_str() << " REFUSED, too many connections from the same address"); LOG_PRINT_CCONTEXT_L1("CONNECTION FROM " << context.m_remote_address.host_str() << " REFUSED, too many connections from the same address");
@ -2669,6 +2672,9 @@ namespace nodetool
zone.m_peerlist.remove_from_peer_anchor(na); zone.m_peerlist.remove_from_peer_anchor(na);
} }
if (!zone.m_net_server.is_stop_signal_sent()) {
zone.m_notifier.on_connection_close(context.m_connection_id);
}
m_payload_handler.on_connection_close(context); m_payload_handler.on_connection_close(context);
MINFO("["<< epee::net_utils::print_connection_context(context) << "] CLOSE CONNECTION"); MINFO("["<< epee::net_utils::print_connection_context(context) << "] CLOSE CONNECTION");

113
tests/unit_tests/levin.cpp
View File

@ -265,11 +265,17 @@ namespace
virtual void callback(cryptonote::levin::detail::p2p_context& context) override final virtual void callback(cryptonote::levin::detail::p2p_context& context) override final
{} {}
virtual void on_connection_new(cryptonote::levin::detail::p2p_context&) override final virtual void on_connection_new(cryptonote::levin::detail::p2p_context& context) override final
{} {
if (notifier)
notifier->on_handshake_complete(context.m_connection_id, context.m_is_income);
}
virtual void on_connection_close(cryptonote::levin::detail::p2p_context&) override final virtual void on_connection_close(cryptonote::levin::detail::p2p_context& context) override final
{} {
if (notifier)
notifier->on_connection_close(context.m_connection_id);
}
public: public:
test_receiver() test_receiver()
@ -306,6 +312,8 @@ namespace
{ {
return get_raw_message(notified_); return get_raw_message(notified_);
} }
std::shared_ptr<cryptonote::levin::notify> notifier{};
}; };
class levin_notify : public ::testing::Test class levin_notify : public ::testing::Test
@ -343,13 +351,16 @@ namespace
EXPECT_EQ(connection_ids_.size(), connections_->get_connections_count()); EXPECT_EQ(connection_ids_.size(), connections_->get_connections_count());
} }
cryptonote::levin::notify make_notifier(const std::size_t noise_size, bool is_public, bool pad_txs) std::shared_ptr<cryptonote::levin::notify> make_notifier(const std::size_t noise_size, bool is_public, bool pad_txs)
{ {
epee::byte_slice noise = nullptr; epee::byte_slice noise = nullptr;
if (noise_size) if (noise_size)
noise = epee::levin::make_noise_notify(noise_size); noise = epee::levin::make_noise_notify(noise_size);
epee::net_utils::zone zone = is_public ? epee::net_utils::zone::public_ : epee::net_utils::zone::i2p; epee::net_utils::zone zone = is_public ? epee::net_utils::zone::public_ : epee::net_utils::zone::i2p;
return cryptonote::levin::notify{io_service_, connections_, std::move(noise), zone, pad_txs, events_}; receiver_.notifier.reset(
new cryptonote::levin::notify{io_service_, connections_, std::move(noise), zone, pad_txs, events_}
);
return receiver_.notifier;
} }
boost::uuids::random_generator random_generator_; boost::uuids::random_generator random_generator_;
@ -590,7 +601,8 @@ TEST_F(levin_notify, defaulted)
TEST_F(levin_notify, fluff_without_padding) TEST_F(levin_notify, fluff_without_padding)
{ {
cryptonote::levin::notify notifier = make_notifier(0, true, false); std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, true, false);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count) for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0); add_connection(count % 2 == 0);
@ -636,7 +648,8 @@ TEST_F(levin_notify, fluff_without_padding)
TEST_F(levin_notify, stem_without_padding) TEST_F(levin_notify, stem_without_padding)
{ {
cryptonote::levin::notify notifier = make_notifier(0, true, false); std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, true, false);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count) for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0); add_connection(count % 2 == 0);
@ -708,7 +721,8 @@ TEST_F(levin_notify, stem_without_padding)
TEST_F(levin_notify, stem_no_outs_without_padding) TEST_F(levin_notify, stem_no_outs_without_padding)
{ {
cryptonote::levin::notify notifier = make_notifier(0, true, false); std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, true, false);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count) for (unsigned count = 0; count < 10; ++count)
add_connection(true); add_connection(true);
@ -764,7 +778,8 @@ TEST_F(levin_notify, stem_no_outs_without_padding)
TEST_F(levin_notify, local_without_padding) TEST_F(levin_notify, local_without_padding)
{ {
cryptonote::levin::notify notifier = make_notifier(0, true, false); std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, true, false);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count) for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0); add_connection(count % 2 == 0);
@ -836,7 +851,8 @@ TEST_F(levin_notify, local_without_padding)
TEST_F(levin_notify, forward_without_padding) TEST_F(levin_notify, forward_without_padding)
{ {
cryptonote::levin::notify notifier = make_notifier(0, true, false); std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, true, false);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count) for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0); add_connection(count % 2 == 0);
@ -908,7 +924,8 @@ TEST_F(levin_notify, forward_without_padding)
TEST_F(levin_notify, block_without_padding) TEST_F(levin_notify, block_without_padding)
{ {
cryptonote::levin::notify notifier = make_notifier(0, true, false); std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, true, false);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count) for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0); add_connection(count % 2 == 0);
@ -937,7 +954,8 @@ TEST_F(levin_notify, block_without_padding)
TEST_F(levin_notify, none_without_padding) TEST_F(levin_notify, none_without_padding)
{ {
cryptonote::levin::notify notifier = make_notifier(0, true, false); std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, true, false);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count) for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0); add_connection(count % 2 == 0);
@ -966,7 +984,8 @@ TEST_F(levin_notify, none_without_padding)
TEST_F(levin_notify, fluff_with_padding) TEST_F(levin_notify, fluff_with_padding)
{ {
cryptonote::levin::notify notifier = make_notifier(0, true, true); std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, true, true);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count) for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0); add_connection(count % 2 == 0);
@ -1012,7 +1031,8 @@ TEST_F(levin_notify, fluff_with_padding)
TEST_F(levin_notify, stem_with_padding) TEST_F(levin_notify, stem_with_padding)
{ {
cryptonote::levin::notify notifier = make_notifier(0, true, true); std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, true, true);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count) for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0); add_connection(count % 2 == 0);
@ -1079,7 +1099,8 @@ TEST_F(levin_notify, stem_with_padding)
TEST_F(levin_notify, stem_no_outs_with_padding) TEST_F(levin_notify, stem_no_outs_with_padding)
{ {
cryptonote::levin::notify notifier = make_notifier(0, true, true); std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, true, true);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count) for (unsigned count = 0; count < 10; ++count)
add_connection(true); add_connection(true);
@ -1135,7 +1156,8 @@ TEST_F(levin_notify, stem_no_outs_with_padding)
TEST_F(levin_notify, local_with_padding) TEST_F(levin_notify, local_with_padding)
{ {
cryptonote::levin::notify notifier = make_notifier(0, true, true); std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, true, true);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count) for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0); add_connection(count % 2 == 0);
@ -1202,7 +1224,8 @@ TEST_F(levin_notify, local_with_padding)
TEST_F(levin_notify, forward_with_padding) TEST_F(levin_notify, forward_with_padding)
{ {
cryptonote::levin::notify notifier = make_notifier(0, true, true); std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, true, true);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count) for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0); add_connection(count % 2 == 0);
@ -1269,7 +1292,8 @@ TEST_F(levin_notify, forward_with_padding)
TEST_F(levin_notify, block_with_padding) TEST_F(levin_notify, block_with_padding)
{ {
cryptonote::levin::notify notifier = make_notifier(0, true, true); std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, true, true);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count) for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0); add_connection(count % 2 == 0);
@ -1298,7 +1322,8 @@ TEST_F(levin_notify, block_with_padding)
TEST_F(levin_notify, none_with_padding) TEST_F(levin_notify, none_with_padding)
{ {
cryptonote::levin::notify notifier = make_notifier(0, true, true); std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, true, true);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count) for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0); add_connection(count % 2 == 0);
@ -1327,7 +1352,8 @@ TEST_F(levin_notify, none_with_padding)
TEST_F(levin_notify, private_fluff_without_padding) TEST_F(levin_notify, private_fluff_without_padding)
{ {
cryptonote::levin::notify notifier = make_notifier(0, false, false); std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, false, false);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count) for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0); add_connection(count % 2 == 0);
@ -1378,7 +1404,8 @@ TEST_F(levin_notify, private_fluff_without_padding)
TEST_F(levin_notify, private_stem_without_padding) TEST_F(levin_notify, private_stem_without_padding)
{ {
// private mode always uses fluff but marked as stem // private mode always uses fluff but marked as stem
cryptonote::levin::notify notifier = make_notifier(0, false, false); std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, false, false);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count) for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0); add_connection(count % 2 == 0);
@ -1429,7 +1456,8 @@ TEST_F(levin_notify, private_stem_without_padding)
TEST_F(levin_notify, private_local_without_padding) TEST_F(levin_notify, private_local_without_padding)
{ {
// private mode always uses fluff but marked as stem // private mode always uses fluff but marked as stem
cryptonote::levin::notify notifier = make_notifier(0, false, false); std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, false, false);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count) for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0); add_connection(count % 2 == 0);
@ -1480,7 +1508,8 @@ TEST_F(levin_notify, private_local_without_padding)
TEST_F(levin_notify, private_forward_without_padding) TEST_F(levin_notify, private_forward_without_padding)
{ {
// private mode always uses fluff but marked as stem // private mode always uses fluff but marked as stem
cryptonote::levin::notify notifier = make_notifier(0, false, false); std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, false, false);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count) for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0); add_connection(count % 2 == 0);
@ -1531,7 +1560,8 @@ TEST_F(levin_notify, private_forward_without_padding)
TEST_F(levin_notify, private_block_without_padding) TEST_F(levin_notify, private_block_without_padding)
{ {
// private mode always uses fluff but marked as stem // private mode always uses fluff but marked as stem
cryptonote::levin::notify notifier = make_notifier(0, false, false); std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, false, false);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count) for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0); add_connection(count % 2 == 0);
@ -1561,7 +1591,8 @@ TEST_F(levin_notify, private_block_without_padding)
TEST_F(levin_notify, private_none_without_padding) TEST_F(levin_notify, private_none_without_padding)
{ {
// private mode always uses fluff but marked as stem // private mode always uses fluff but marked as stem
cryptonote::levin::notify notifier = make_notifier(0, false, false); std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, false, false);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count) for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0); add_connection(count % 2 == 0);
@ -1590,7 +1621,8 @@ TEST_F(levin_notify, private_none_without_padding)
TEST_F(levin_notify, private_fluff_with_padding) TEST_F(levin_notify, private_fluff_with_padding)
{ {
cryptonote::levin::notify notifier = make_notifier(0, false, true); std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, false, true);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count) for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0); add_connection(count % 2 == 0);
@ -1640,7 +1672,8 @@ TEST_F(levin_notify, private_fluff_with_padding)
TEST_F(levin_notify, private_stem_with_padding) TEST_F(levin_notify, private_stem_with_padding)
{ {
cryptonote::levin::notify notifier = make_notifier(0, false, true); std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, false, true);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count) for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0); add_connection(count % 2 == 0);
@ -1690,7 +1723,8 @@ TEST_F(levin_notify, private_stem_with_padding)
TEST_F(levin_notify, private_local_with_padding) TEST_F(levin_notify, private_local_with_padding)
{ {
cryptonote::levin::notify notifier = make_notifier(0, false, true); std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, false, true);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count) for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0); add_connection(count % 2 == 0);
@ -1740,7 +1774,8 @@ TEST_F(levin_notify, private_local_with_padding)
TEST_F(levin_notify, private_forward_with_padding) TEST_F(levin_notify, private_forward_with_padding)
{ {
cryptonote::levin::notify notifier = make_notifier(0, false, true); std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, false, true);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count) for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0); add_connection(count % 2 == 0);
@ -1790,7 +1825,8 @@ TEST_F(levin_notify, private_forward_with_padding)
TEST_F(levin_notify, private_block_with_padding) TEST_F(levin_notify, private_block_with_padding)
{ {
cryptonote::levin::notify notifier = make_notifier(0, false, true); std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, false, true);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count) for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0); add_connection(count % 2 == 0);
@ -1819,7 +1855,8 @@ TEST_F(levin_notify, private_block_with_padding)
TEST_F(levin_notify, private_none_with_padding) TEST_F(levin_notify, private_none_with_padding)
{ {
cryptonote::levin::notify notifier = make_notifier(0, false, true); std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, false, true);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < 10; ++count) for (unsigned count = 0; count < 10; ++count)
add_connection(count % 2 == 0); add_connection(count % 2 == 0);
@ -1850,7 +1887,8 @@ TEST_F(levin_notify, stem_mappings)
{ {
static constexpr const unsigned test_connections_count = (CRYPTONOTE_DANDELIONPP_STEMS + 1) * 2; static constexpr const unsigned test_connections_count = (CRYPTONOTE_DANDELIONPP_STEMS + 1) * 2;
cryptonote::levin::notify notifier = make_notifier(0, true, false); std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, true, false);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < test_connections_count; ++count) for (unsigned count = 0; count < test_connections_count; ++count)
add_connection(count % 2 == 0); add_connection(count % 2 == 0);
@ -1973,7 +2011,8 @@ TEST_F(levin_notify, fluff_multiple)
{ {
static constexpr const unsigned test_connections_count = (CRYPTONOTE_DANDELIONPP_STEMS + 1) * 2; static constexpr const unsigned test_connections_count = (CRYPTONOTE_DANDELIONPP_STEMS + 1) * 2;
cryptonote::levin::notify notifier = make_notifier(0, true, false); std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(0, true, false);
auto &notifier = *notifier_ptr;
for (unsigned count = 0; count < test_connections_count; ++count) for (unsigned count = 0; count < test_connections_count; ++count)
add_connection(count % 2 == 0); add_connection(count % 2 == 0);
@ -2091,7 +2130,8 @@ TEST_F(levin_notify, noise)
txs[0].resize(1900, 'h'); txs[0].resize(1900, 'h');
const boost::uuids::uuid incoming_id = random_generator_(); const boost::uuids::uuid incoming_id = random_generator_();
cryptonote::levin::notify notifier = make_notifier(2048, false, true); std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(2048, false, true);
auto &notifier = *notifier_ptr;
{ {
const auto status = notifier.get_status(); const auto status = notifier.get_status();
@ -2182,7 +2222,8 @@ TEST_F(levin_notify, noise_stem)
txs[0].resize(1900, 'h'); txs[0].resize(1900, 'h');
const boost::uuids::uuid incoming_id = random_generator_(); const boost::uuids::uuid incoming_id = random_generator_();
cryptonote::levin::notify notifier = make_notifier(2048, false, true); std::shared_ptr<cryptonote::levin::notify> notifier_ptr = make_notifier(2048, false, true);
auto &notifier = *notifier_ptr;
{ {
const auto status = notifier.get_status(); const auto status = notifier.get_status();

260
tests/unit_tests/node_server.cpp
View File

@ -35,6 +35,7 @@
#include "cryptonote_core/i_core_events.h" #include "cryptonote_core/i_core_events.h"
#include "cryptonote_protocol/cryptonote_protocol_handler.h" #include "cryptonote_protocol/cryptonote_protocol_handler.h"
#include "cryptonote_protocol/cryptonote_protocol_handler.inl" #include "cryptonote_protocol/cryptonote_protocol_handler.inl"
#include <condition_variable>
#define MAKE_IPV4_ADDRESS(a,b,c,d) epee::net_utils::ipv4_network_address{MAKE_IP(a,b,c,d),0} #define MAKE_IPV4_ADDRESS(a,b,c,d) epee::net_utils::ipv4_network_address{MAKE_IP(a,b,c,d),0}
#define MAKE_IPV4_ADDRESS_PORT(a,b,c,d,e) epee::net_utils::ipv4_network_address{MAKE_IP(a,b,c,d),e} #define MAKE_IPV4_ADDRESS_PORT(a,b,c,d,e) epee::net_utils::ipv4_network_address{MAKE_IP(a,b,c,d),e}
@ -909,5 +910,264 @@ TEST(cryptonote_protocol_handler, race_condition)
remove_tree(dir); remove_tree(dir);
} }
TEST(node_server, race_condition)
{
struct contexts {
using cryptonote = cryptonote::cryptonote_connection_context;
using p2p = nodetool::p2p_connection_context_t<cryptonote>;
};
using context_t = contexts::cryptonote;
using options_t = boost::program_options::variables_map;
using options_description_t = boost::program_options::options_description;
using worker_t = std::thread;
struct protocol_t {
private:
using p2p_endpoint_t = nodetool::i_p2p_endpoint<context_t>;
using lock_t = std::mutex;
using condition_t = std::condition_variable_any;
using unique_lock_t = std::unique_lock<lock_t>;
p2p_endpoint_t *p2p_endpoint;
lock_t lock;
condition_t condition;
bool started{};
size_t counter{};
public:
using payload_t = cryptonote::CORE_SYNC_DATA;
using blob_t = cryptonote::blobdata;
using connection_context = context_t;
using payload_type = payload_t;
using relay_t = cryptonote::relay_method;
using string_t = std::string;
using span_t = epee::span<const uint8_t>;
using blobs_t = epee::span<const cryptonote::blobdata>;
using connections_t = std::list<cryptonote::connection_info>;
using block_queue_t = cryptonote::block_queue;
using stripes_t = std::pair<uint32_t, uint32_t>;
using byte_stream_t = epee::byte_stream;
struct core_events_t: cryptonote::i_core_events {
uint64_t get_current_blockchain_height() const override { return {}; }
bool is_synchronized() const override { return {}; }
void on_transactions_relayed(blobs_t blobs, relay_t relay) override {}
};
int handle_invoke_map(bool is_notify, int command, const span_t in, byte_stream_t &out, context_t &context, bool &handled) {
return {};
}
bool on_idle() {
if (not p2p_endpoint)
return {};
{
unique_lock_t guard(lock);
if (not started)
started = true;
else
return {};
}
std::vector<blob_t> txs(128 / 64 * 1024 * 1024, blob_t(1, 'x'));
worker_t worker([this]{
p2p_endpoint->for_each_connection(
[this](context_t &, uint64_t, uint32_t){
{
unique_lock_t guard(lock);
++counter;
condition.notify_all();
condition.wait(guard, [this]{ return counter >= 3; });
}
std::this_thread::sleep_for(std::chrono::milliseconds(8));
return false;
}
);
});
{
unique_lock_t guard(lock);
++counter;
condition.notify_all();
condition.wait(guard, [this]{ return counter >= 3; });
++counter;
condition.notify_all();
condition.wait(guard, [this]{ return counter >= 5; });
}
p2p_endpoint->send_txs(
std::move(txs),
epee::net_utils::zone::public_,
{},
relay_t::fluff
);
worker.join();
return {};
}
bool init(const options_t &options) { return {}; }
bool deinit() { return {}; }
void set_p2p_endpoint(p2p_endpoint_t *p2p_endpoint) {
this->p2p_endpoint = p2p_endpoint;
}
bool process_payload_sync_data(const payload_t &payload, contexts::p2p &context, bool is_inital) {
context.m_state = context_t::state_normal;
context.m_needed_objects.resize(512 * 1024);
{
unique_lock_t guard(lock);
++counter;
condition.notify_all();
condition.wait(guard, [this]{ return counter >= 3; });
++counter;
condition.notify_all();
condition.wait(guard, [this]{ return counter >= 5; });
}
return true;
}
bool get_payload_sync_data(blob_t &blob) { return {}; }
bool get_payload_sync_data(payload_t &payload) { return {}; }
bool on_callback(context_t &context) { return {}; }
core_events_t &get_core(){ static core_events_t core_events; return core_events;}
void log_connections() {}
connections_t get_connections() { return {}; }
const block_queue_t &get_block_queue() const {
static block_queue_t block_queue;
return block_queue;
}
void stop() {}
void on_connection_close(context_t &context) {}
void set_max_out_peers(unsigned int max) {}
bool no_sync() const { return {}; }
void set_no_sync(bool value) {}
string_t get_peers_overview() const { return {}; }
stripes_t get_next_needed_pruning_stripe() const { return {}; }
bool needs_new_sync_connections() const { return {}; }
bool is_busy_syncing() { return {}; }
};
using node_server_t = nodetool::node_server<protocol_t>;
auto conduct_test = [](protocol_t &protocol){
struct messages {
struct core {
using sync = cryptonote::CORE_SYNC_DATA;
};
using handshake = nodetool::COMMAND_HANDSHAKE_T<core::sync>;
};
using handler_t = epee::levin::async_protocol_handler<context_t>;
using connection_t = epee::net_utils::connection<handler_t>;
using connection_ptr = boost::shared_ptr<connection_t>;
using shared_state_t = typename connection_t::shared_state;
using shared_state_ptr = std::shared_ptr<shared_state_t>;
using io_context_t = boost::asio::io_service;
using work_t = boost::asio::io_service::work;
using work_ptr = std::shared_ptr<work_t>;
using workers_t = std::vector<std::thread>;
using endpoint_t = boost::asio::ip::tcp::endpoint;
using event_t = epee::simple_event;
struct command_handler_t: epee::levin::levin_commands_handler<context_t> {
using span_t = epee::span<const uint8_t>;
using byte_stream_t = epee::byte_stream;
int invoke(int, const span_t, byte_stream_t &, context_t &) override { return {}; }
int notify(int, const span_t, context_t &) override { return {}; }
void callback(context_t &) override {}
void on_connection_new(context_t &) override {}
void on_connection_close(context_t &) override {}
~command_handler_t() override {}
static void destroy(epee::levin::levin_commands_handler<context_t>* ptr) { delete ptr; }
};
io_context_t io_context;
work_ptr work = std::make_shared<work_t>(io_context);
workers_t workers;
while (workers.size() < 4) {
workers.emplace_back([&io_context]{
io_context.run();
});
}
io_context.post([&]{
protocol.on_idle();
});
io_context.post([&]{
protocol.on_idle();
});
shared_state_ptr shared_state = std::make_shared<shared_state_t>();
shared_state->set_handler(new command_handler_t, &command_handler_t::destroy);
connection_ptr conn{new connection_t(io_context, shared_state, {}, {})};
endpoint_t endpoint(boost::asio::ip::address::from_string("127.0.0.1"), 48080);
conn->socket().connect(endpoint);
conn->socket().set_option(boost::asio::ip::tcp::socket::reuse_address(true));
conn->start({}, {});
context_t context;
conn->get_context(context);
event_t handshaked;
typename messages::handshake::request_t msg{{
::config::NETWORK_ID,
58080,
}};
epee::net_utils::async_invoke_remote_command2<typename messages::handshake::response>(
context,
messages::handshake::ID,
msg,
*shared_state,
[conn, &handshaked](int code, const typename messages::handshake::response &msg, context_t &context){
EXPECT_TRUE(code >= 0);
handshaked.raise();
},
P2P_DEFAULT_HANDSHAKE_INVOKE_TIMEOUT
);
handshaked.wait();
conn->strand_.post([conn]{
conn->cancel();
});
conn.reset();
work.reset();
for (auto& w: workers) {
w.join();
}
};
using path_t = boost::filesystem::path;
using ec_t = boost::system::error_code;
auto create_dir = []{
ec_t ec;
path_t path = boost::filesystem::temp_directory_path() / boost::filesystem::unique_path("daemon-%%%%%%%%%%%%%%%%", ec);
if (ec)
return path_t{};
auto success = boost::filesystem::create_directory(path, ec);
if (not ec && success)
return path;
return path_t{};
};
auto remove_tree = [](const path_t &path){
ec_t ec;
boost::filesystem::remove_all(path, ec);
};
const auto dir = create_dir();
ASSERT_TRUE(not dir.empty());
protocol_t protocol{};
node_server_t node_server(protocol);
protocol.set_p2p_endpoint(&node_server);
node_server.init(
[&dir]{
options_t options;
boost::program_options::store(
boost::program_options::command_line_parser({
"--p2p-bind-ip=127.0.0.1",
"--p2p-bind-port=48080",
"--out-peers=0",
"--data-dir",
dir.string(),
"--no-igd",
"--add-exclusive-node=127.0.0.1:48080",
"--check-updates=disabled",
"--disable-dns-checkpoints",
}).options([]{
options_description_t options_description{};
cryptonote::core::init_options(options_description);
node_server_t::init_options(options_description);
return options_description;
}()).run(),
options
);
return options;
}()
);
worker_t worker([&]{
node_server.run();
});
conduct_test(protocol);
node_server.send_stop_signal();
worker.join();
node_server.deinit();
remove_tree(dir);
}
namespace nodetool { template class node_server<cryptonote::t_cryptonote_protocol_handler<test_core>>; } namespace nodetool { template class node_server<cryptonote::t_cryptonote_protocol_handler<test_core>>; }
namespace cryptonote { template class t_cryptonote_protocol_handler<test_core>; } namespace cryptonote { template class t_cryptonote_protocol_handler<test_core>; }