* Transports: update IsBandwidthExceeded() and comments in header

Transports.cpp

@@ -200,9 +200,9 @@ namespace transport
 
 	bool Transports::IsBandwidthExceeded () const
 	{
-		if (i2p::context.GetRouterInfo ().IsExtraBandwidth ()) return false;
+		auto limit = i2p::context.GetBandwidthLimit() * 1024; // convert to bytes
 		auto bw = std::max (m_InBandwidth, m_OutBandwidth);
-		return bw > (i2p::context.GetRouterInfo ().IsHighBandwidth () ? HIGH_BANDWIDTH_LIMIT : LOW_BANDWIDTH_LIMIT);
+		return bw > limit;
 	}
 
 	void Transports::SendMessage (const i2p::data::IdentHash& ident, std::shared_ptr<i2p::I2NPMessage> msg)

Transports.h

@@ -66,8 +66,6 @@ namespace transport
 	};	
 	
 	const size_t SESSION_CREATION_TIMEOUT = 10; // in seconds
-	const uint32_t LOW_BANDWIDTH_LIMIT = 32*1024; // 32KBs
-	const uint32_t HIGH_BANDWIDTH_LIMIT = 256*1024; // 256KBs
 	class Transports
 	{
 		public:
@@ -94,8 +92,8 @@ namespace transport
 			void UpdateReceivedBytes (uint64_t numBytes) { m_TotalReceivedBytes += numBytes; };
 			uint64_t GetTotalSentBytes () const { return m_TotalSentBytes; };
 			uint64_t GetTotalReceivedBytes () const { return m_TotalReceivedBytes; };		
-			uint32_t GetInBandwidth () const { return m_InBandwidth; }; // bytes per second
-			uint32_t GetOutBandwidth () const { return m_OutBandwidth; }; // bytes per second
+			uint32_t GetInBandwidth  () const { return m_InBandwidth; };
+			uint32_t GetOutBandwidth () const { return m_OutBandwidth; };
 			bool IsBandwidthExceeded () const;
 			size_t GetNumPeers () const { return m_Peers.size (); };
 			std::shared_ptr<const i2p::data::RouterInfo> GetRandomPeer () const;
@@ -138,7 +136,7 @@ namespace transport
 			DHKeysPairSupplier m_DHKeysPairSupplier;
 
 			std::atomic<uint64_t> m_TotalSentBytes, m_TotalReceivedBytes;
-			uint32_t m_InBandwidth, m_OutBandwidth;
+			uint32_t m_InBandwidth, m_OutBandwidth; // bytes per second
 			uint64_t m_LastInBandwidthUpdateBytes, m_LastOutBandwidthUpdateBytes;	
 			uint64_t m_LastBandwidthUpdateTime;