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p2p: do not add recently failed addresses to the peerlist

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moneromooo-monero 2020-01-15 14:42:52 +00:00
parent d1cf16364f
commit bcae95a22e
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3 changed files with 17 additions and 7 deletions
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2
src/p2p/net_node.h
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@ -393,7 +393,7 @@ namespace nodetool
bool try_ping(basic_node_data& node_data, p2p_connection_context& context, const t_callback &cb);
bool try_get_support_flags(const p2p_connection_context& context, std::function<void(p2p_connection_context&, const uint32_t&)> f);
bool make_expected_connections_count(network_zone& zone, PeerType peer_type, size_t expected_connections);
void cache_connect_fail_info(const epee::net_utils::network_address& addr);
void record_addr_failed(const epee::net_utils::network_address& addr);
bool is_addr_recently_failed(const epee::net_utils::network_address& addr);
bool is_priority_node(const epee::net_utils::network_address& na);
std::set<std::string> get_seed_nodes(cryptonote::network_type nettype) const;

14
src/p2p/net_node.inl
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@ -1262,7 +1262,7 @@ namespace nodetool
bool is_priority = is_priority_node(na);
LOG_PRINT_CC_PRIORITY_NODE(is_priority, bool(con), "Connect failed to " << na.str()
/*<< ", try " << try_count*/);
//m_peerlist.set_peer_unreachable(pe);
record_addr_failed(na);
return false;
}
@ -1277,6 +1277,7 @@ namespace nodetool
<< na.str()
/*<< ", try " << try_count*/);
zone.m_net_server.get_config_object().close(con->m_connection_id);
record_addr_failed(na);
return false;
}
@ -1327,6 +1328,7 @@ namespace nodetool
bool is_priority = is_priority_node(na);
LOG_PRINT_CC_PRIORITY_NODE(is_priority, p2p_connection_context{}, "Connect failed to " << na.str());
record_addr_failed(na);
return false;
}
@ -1339,6 +1341,7 @@ namespace nodetool
LOG_PRINT_CC_PRIORITY_NODE(is_priority, *con, "Failed to HANDSHAKE with peer " << na.str());
zone.m_net_server.get_config_object().close(con->m_connection_id);
record_addr_failed(na);
return false;
}
@ -1351,6 +1354,13 @@ namespace nodetool
#undef LOG_PRINT_CC_PRIORITY_NODE
//-----------------------------------------------------------------------------------
template<class t_payload_net_handler>
void node_server<t_payload_net_handler>::record_addr_failed(const epee::net_utils::network_address& addr)
{
CRITICAL_REGION_LOCAL(m_conn_fails_cache_lock);
m_conn_fails_cache[addr.host_str()] = time(NULL);
}
//-----------------------------------------------------------------------------------
template<class t_payload_net_handler>
bool node_server<t_payload_net_handler>::is_addr_recently_failed(const epee::net_utils::network_address& addr)
@ -1912,7 +1922,7 @@ namespace nodetool
LOG_DEBUG_CC(context, "REMOTE PEERLIST: remote peerlist size=" << peerlist_.size());
LOG_TRACE_CC(context, "REMOTE PEERLIST: " << ENDL << print_peerlist_to_string(peerlist_));
return m_network_zones.at(context.m_remote_address.get_zone()).m_peerlist.merge_peerlist(peerlist_);
return m_network_zones.at(context.m_remote_address.get_zone()).m_peerlist.merge_peerlist(peerlist_, [this](const peerlist_entry &pe) { return !is_addr_recently_failed(pe.adr); });
}
//-----------------------------------------------------------------------------------
template<class t_payload_net_handler>

8
src/p2p/net_peerlist.h
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@ -101,7 +101,7 @@ namespace nodetool
bool init(peerlist_types&& peers, bool allow_local_ip);
size_t get_white_peers_count(){CRITICAL_REGION_LOCAL(m_peerlist_lock); return m_peers_white.size();}
size_t get_gray_peers_count(){CRITICAL_REGION_LOCAL(m_peerlist_lock); return m_peers_gray.size();}
bool merge_peerlist(const std::vector<peerlist_entry>& outer_bs);
bool merge_peerlist(const std::vector<peerlist_entry>& outer_bs, const std::function<bool(const peerlist_entry&)> &f = NULL);
bool get_peerlist_head(std::vector<peerlist_entry>& bs_head, bool anonymize, uint32_t depth = P2P_DEFAULT_PEERS_IN_HANDSHAKE);
void get_peerlist(std::vector<peerlist_entry>& pl_gray, std::vector<peerlist_entry>& pl_white);
void get_peerlist(peerlist_types& peers);
@ -112,7 +112,6 @@ namespace nodetool
bool append_with_peer_gray(const peerlist_entry& pr);
bool append_with_peer_anchor(const anchor_peerlist_entry& ple);
bool set_peer_just_seen(peerid_type peer, const epee::net_utils::network_address& addr, uint32_t pruning_seed, uint16_t rpc_port, uint32_t rpc_credits_per_hash);
bool set_peer_unreachable(const peerlist_entry& pr);
bool is_host_allowed(const epee::net_utils::network_address &address);
bool get_random_gray_peer(peerlist_entry& pe);
bool remove_from_peer_gray(const peerlist_entry& pe);
@ -213,12 +212,13 @@ namespace nodetool
}
//--------------------------------------------------------------------------------------------------
inline
bool peerlist_manager::merge_peerlist(const std::vector<peerlist_entry>& outer_bs)
bool peerlist_manager::merge_peerlist(const std::vector<peerlist_entry>& outer_bs, const std::function<bool(const peerlist_entry&)> &f)
{
CRITICAL_REGION_LOCAL(m_peerlist_lock);
for(const peerlist_entry& be: outer_bs)
{
append_with_peer_gray(be);
if (!f || f(be))
append_with_peer_gray(be);
}
// delete extra elements
trim_gray_peerlist();