From 577ba9b397761703e237f62d1e4ffe1a29ff1c7c Mon Sep 17 00:00:00 2001
From: orignal <i2porignal@yandex.ru>
Date: Fri, 27 Mar 2015 20:34:31 -0400
Subject: [PATCH] initial filtration of bad peers

---
 Profiling.h    | 2 ++
 TunnelPool.cpp | 7 ++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/Profiling.h b/Profiling.h
index 1f175dc7..2f9d80c5 100644
--- a/Profiling.h
+++ b/Profiling.h
@@ -24,6 +24,8 @@ namespace data
 			
 			void Save ();
 			void Load ();
+
+			bool IsBad () const { return !m_NumTunnelsAgreed && m_NumTunnelsDeclined >= 5; };
 			
 			void TunnelBuildResponse (uint8_t ret);
 			
diff --git a/TunnelPool.cpp b/TunnelPool.cpp
index 82de6267..12f1a41d 100644
--- a/TunnelPool.cpp
+++ b/TunnelPool.cpp
@@ -261,8 +261,13 @@ namespace tunnel
 	std::shared_ptr<const i2p::data::RouterInfo> TunnelPool::SelectNextHop (std::shared_ptr<const i2p::data::RouterInfo> prevHop) const
 	{
 		bool isExploratory = (m_LocalDestination == &i2p::context); // TODO: implement it better
-		auto hop =  isExploratory ? i2p::data::netdb.GetRandomRouter (prevHop): 
+		auto hop = isExploratory ? i2p::data::netdb.GetRandomRouter (prevHop): 
 			i2p::data::netdb.GetHighBandwidthRandomRouter (prevHop);
+		if (!isExploratory && hop && hop->GetProfile ()->IsBad ())
+		{
+			LogPrint (eLogInfo, "Selected peer for tunnel has bad profile. Selecting another"); 
+			hop = i2p::data::netdb.GetHighBandwidthRandomRouter (prevHop);
+		}	
 			
 		if (!hop)
 			hop = i2p::data::netdb.GetRandomRouter ();