Add vote overflow stats (#1394)

rai/node/node.cpp

@@ -868,9 +868,13 @@ void rai::vote_processor::vote (std::shared_ptr<rai::vote> vote_a, rai::endpoint
 			votes.push_back (std::make_pair (vote_a, endpoint_a));
 			condition.notify_all ();
 		}
-		else if (node.config.logging.vote_logging ())
+		else
 		{
-			BOOST_LOG (node.log) << "Votes overflow";
+			node.stats.inc (rai::stat::type::vote, rai::stat::detail::vote_overflow);
+			if (node.config.logging.vote_logging ())
+			{
+				BOOST_LOG (node.log) << "Votes overflow";
+			}
 		}
 	}
 }

rai/node/stats.cpp

@@ -436,6 +436,9 @@ std::string rai::stat::detail_to_string (uint32_t key)
 		case rai::stat::detail::vote_invalid:
 			res = "vote_invalid";
 			break;
+		case rai::stat::detail::vote_overflow:
+			res = "vote_overflow";
+			break;
 		case rai::stat::detail::blocking:
 			res = "blocking";
 			break;

rai/node/stats.hpp

@@ -229,6 +229,7 @@ public:
 		vote_valid,
 		vote_replay,
 		vote_invalid,
+		vote_overflow,
 
 		// udp
 		blocking,