aboutsummaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/cryptonote_config.h1
-rw-r--r--src/cryptonote_protocol/cryptonote_protocol_handler.h2
-rw-r--r--src/cryptonote_protocol/cryptonote_protocol_handler.inl42
3 files changed, 45 insertions, 0 deletions
diff --git a/src/cryptonote_config.h b/src/cryptonote_config.h
index 93db71705..f13c6ba90 100644
--- a/src/cryptonote_config.h
+++ b/src/cryptonote_config.h
@@ -114,6 +114,7 @@
#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
diff --git a/src/cryptonote_protocol/cryptonote_protocol_handler.h b/src/cryptonote_protocol/cryptonote_protocol_handler.h
index efd986b53..0fc7913b8 100644
--- a/src/cryptonote_protocol/cryptonote_protocol_handler.h
+++ b/src/cryptonote_protocol/cryptonote_protocol_handler.h
@@ -138,6 +138,7 @@ 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;
@@ -153,6 +154,7 @@ 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;
diff --git a/src/cryptonote_protocol/cryptonote_protocol_handler.inl b/src/cryptonote_protocol/cryptonote_protocol_handler.inl
index c1459cbb6..d614eb141 100644
--- a/src/cryptonote_protocol/cryptonote_protocol_handler.inl
+++ b/src/cryptonote_protocol/cryptonote_protocol_handler.inl
@@ -1371,6 +1371,7 @@ 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();
}
//------------------------------------------------------------------------------------------------------------------------
@@ -1400,6 +1401,47 @@ 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