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Merge pull request #5199

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eef164f7 cryptonote_protocol_handler: search for syncing peers in "cruise mode" (moneromooo-monero)
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Riccardo Spagni 2019-03-19 10:58:38 +02:00
commit acc7211b5b
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3 changed files with 45 additions and 0 deletions
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1
src/cryptonote_config.h
View file

@ -116,6 +116,7 @@
#define P2P_DEFAULT_HANDSHAKE_INVOKE_TIMEOUT 5000 //5 seconds
#define P2P_DEFAULT_WHITELIST_CONNECTIONS_PERCENT 70
#define P2P_DEFAULT_ANCHOR_CONNECTIONS_COUNT 2
#define P2P_DEFAULT_SYNC_SEARCH_CONNECTIONS_COUNT 2
#define P2P_DEFAULT_LIMIT_RATE_UP 2048 // kB/s
#define P2P_DEFAULT_LIMIT_RATE_DOWN 8192 // kB/s

2
src/cryptonote_protocol/cryptonote_protocol_handler.h
View file

@ -139,6 +139,7 @@ namespace cryptonote
void drop_connection(cryptonote_connection_context &context, bool add_fail, bool flush_all_spans);
bool kick_idle_peers();
bool check_standby_peers();
bool update_sync_search();
int try_add_next_blocks(cryptonote_connection_context &context);
void notify_new_stripe(cryptonote_connection_context &context, uint32_t stripe);
void skip_unneeded_hashes(cryptonote_connection_context& context, bool check_block_queue) const;
@ -155,6 +156,7 @@ namespace cryptonote
block_queue m_block_queue;
epee::math_helper::once_a_time_seconds<30> m_idle_peer_kicker;
epee::math_helper::once_a_time_milliseconds<100> m_standby_checker;
epee::math_helper::once_a_time_seconds<101> m_sync_search_checker;
std::atomic<unsigned int> m_max_out_peers;
tools::PerformanceTimer m_sync_timer, m_add_timer;
uint64_t m_last_add_end_time;

42
src/cryptonote_protocol/cryptonote_protocol_handler.inl
View file

@ -1406,6 +1406,7 @@ skip:
{
m_idle_peer_kicker.do_call(boost::bind(&t_cryptonote_protocol_handler<t_core>::kick_idle_peers, this));
m_standby_checker.do_call(boost::bind(&t_cryptonote_protocol_handler<t_core>::check_standby_peers, this));
m_sync_search_checker.do_call(boost::bind(&t_cryptonote_protocol_handler<t_core>::update_sync_search, this));
return m_core.on_idle();
}
//------------------------------------------------------------------------------------------------------------------------
@ -1435,6 +1436,47 @@ skip:
}
//------------------------------------------------------------------------------------------------------------------------
template<class t_core>
bool t_cryptonote_protocol_handler<t_core>::update_sync_search()
{
const uint64_t target = m_core.get_target_blockchain_height();
const uint64_t height = m_core.get_current_blockchain_height();
if (target > height) // if we're not synced yet, don't do it
return true;
MTRACE("Checking for outgoing syncing peers...");
unsigned n_syncing = 0, n_synced = 0;
boost::uuids::uuid last_synced_peer_id(boost::uuids::nil_uuid());
m_p2p->for_each_connection([&](cryptonote_connection_context& context, nodetool::peerid_type peer_id, uint32_t support_flags)->bool
{
if (!peer_id || context.m_is_income) // only consider connected outgoing peers
return true;
if (context.m_state == cryptonote_connection_context::state_synchronizing)
++n_syncing;
if (context.m_state == cryptonote_connection_context::state_normal)
{
++n_synced;
if (!context.m_anchor)
last_synced_peer_id = context.m_connection_id;
}
return true;
});
MTRACE(n_syncing << " syncing, " << n_synced << " synced");
// if we're at max out peers, and not enough are syncing
if (n_synced + n_syncing >= m_max_out_peers && n_syncing < P2P_DEFAULT_SYNC_SEARCH_CONNECTIONS_COUNT && last_synced_peer_id != boost::uuids::nil_uuid())
{
if (!m_p2p->for_connection(last_synced_peer_id, [&](cryptonote_connection_context& ctx, nodetool::peerid_type peer_id, uint32_t f)->bool{
MINFO(ctx << "dropping synced peer, " << n_syncing << " syncing, " << n_synced << " synced");
drop_connection(ctx, false, false);
return true;
}))
MDEBUG("Failed to find peer we wanted to drop");
}
return true;
}
//------------------------------------------------------------------------------------------------------------------------
template<class t_core>
bool t_cryptonote_protocol_handler<t_core>::check_standby_peers()
{
m_p2p->for_each_connection([&](cryptonote_connection_context& context, nodetool::peerid_type peer_id, uint32_t support_flags)->bool