re-create LeaseSet if store type has changed

libi2pd/LeaseSet.cpp

@@ -260,6 +260,13 @@ namespace data
 			ReadFromBuffer (buf, len);
 	}
 
+	void LeaseSet2::Update (const uint8_t * buf, size_t len, bool verifySignature)
+	{	
+		// shouldn't be called for now. Must be called from NetDb::AddLeaseSet later
+		SetBuffer (buf, len);
+		// TODO:verify signature if requested		
+	}
+		
 	void LeaseSet2::ReadFromBuffer (const uint8_t * buf, size_t len)
 	{
 		// standard LS2 header

libi2pd/LeaseSet.h

@@ -60,7 +60,7 @@ namespace data
 
 			LeaseSet (const uint8_t * buf, size_t len, bool storeLeases = true);
 			virtual ~LeaseSet () { delete[] m_EncryptionKey; delete[] m_Buffer; };
-			void Update (const uint8_t * buf, size_t len, bool verifySignature = true);
+			virtual void Update (const uint8_t * buf, size_t len, bool verifySignature = true);
 			bool IsNewer (const uint8_t * buf, size_t len) const;
 			void PopulateLeases (); // from buffer
 
@@ -128,6 +128,7 @@ namespace data
 
 			LeaseSet2 (uint8_t storeType, const uint8_t * buf, size_t len,  bool storeLeases = true);
 			uint8_t GetStoreType () const { return m_StoreType; };
+			void Update (const uint8_t * buf, size_t len, bool verifySignature);
 			
 			// implements RoutingDestination
 			void Encrypt (const uint8_t * data, uint8_t * encrypted, BN_CTX * ctx) const;

libi2pd/NetDb.cpp

@@ -250,16 +250,14 @@ namespace data
 		return r;
 	}
 
-	bool NetDb::AddLeaseSet (const IdentHash& ident, const uint8_t * buf, int len,
-		std::shared_ptr<i2p::tunnel::InboundTunnel> from)
+	bool NetDb::AddLeaseSet (const IdentHash& ident, const uint8_t * buf, int len)
 	{
 		std::unique_lock<std::mutex> lock(m_LeaseSetsMutex);
 		bool updated = false;
-		if (!from) // unsolicited LS must be received directly
-		{
 		auto it = m_LeaseSets.find(ident);
-			if (it != m_LeaseSets.end ())
+		if (it != m_LeaseSets.end () && it->second->GetStoreType () == i2p::data::NETDB_STORE_TYPE_LEASESET)
 		{
+			// we update only is existing LeaseSet is not LeaseSet2
 			uint64_t expires;
 			if(LeaseSetBufferValidate(buf, len, expires))
 			{
@@ -287,22 +285,17 @@ namespace data
 			else
 				LogPrint (eLogError, "NetDb: new LeaseSet validation failed: ", ident.ToBase32());
 		}
-		}
 		return updated;
 	}
 
 	bool NetDb::AddLeaseSet2 (const IdentHash& ident, const uint8_t * buf, int len, uint8_t storeType)
 	{
 		std::unique_lock<std::mutex> lock(m_LeaseSetsMutex);
-		auto it = m_LeaseSets.find(ident);
-		if (it == m_LeaseSets.end ())
-		{
+		// always new LS2 for now. TODO: implement update
 		auto leaseSet = std::make_shared<LeaseSet2> (storeType, buf, len, false); // we don't need leases in netdb
 		m_LeaseSets[ident] = leaseSet;
 		return true; 
 	}
-		return false;
-	}
 
 	std::shared_ptr<RouterInfo> NetDb::FindRouter (const IdentHash& ident) const
 	{
@@ -660,11 +653,13 @@ namespace data
 		bool updated = false;
 		uint8_t storeType = buf[DATABASE_STORE_TYPE_OFFSET];	
 		if (storeType) // LeaseSet or LeaseSet2
+		{
+			if (!m->from) // unsolicited LS must be received directly
 			{	
 				if (storeType == NETDB_STORE_TYPE_LEASESET) // 1
 				{
 					LogPrint (eLogDebug, "NetDb: store request: LeaseSet for ", ident.ToBase32());
-				updated = AddLeaseSet (ident, buf + offset, len - offset, m->from);
+					updated = AddLeaseSet (ident, buf + offset, len - offset);
 				}
 				else // all others are considered as LeaseSet2 
 				{
@@ -672,6 +667,7 @@ namespace data
 					updated = AddLeaseSet2 (ident, buf + offset, len - offset, storeType);
 				}
 			}	
+		}
 		else // RouterInfo
 		{
 			LogPrint (eLogDebug, "NetDb: store request: RouterInfo");

libi2pd/NetDb.hpp

@@ -54,7 +54,7 @@ namespace data
 
 			bool AddRouterInfo (const uint8_t * buf, int len);
 			bool AddRouterInfo (const IdentHash& ident, const uint8_t * buf, int len);
-			bool AddLeaseSet (const IdentHash& ident, const uint8_t * buf, int len, std::shared_ptr<i2p::tunnel::InboundTunnel> from);
+			bool AddLeaseSet (const IdentHash& ident, const uint8_t * buf, int len);
 			bool AddLeaseSet2 (const IdentHash& ident, const uint8_t * buf, int len, uint8_t storeType);
 			std::shared_ptr<RouterInfo> FindRouter (const IdentHash& ident) const;
 			std::shared_ptr<LeaseSet> FindLeaseSet (const IdentHash& destination) const;