From 375fceb530e4937e01c5dcc62b228c2993240cb2 Mon Sep 17 00:00:00 2001
From: orignal <i2porignal@yandex.ru>
Date: Wed, 8 Oct 2014 14:17:17 -0400
Subject: [PATCH] moved garlic decryption to streaming thread

---
 Destination.cpp  | 13 +++++++++++--
 Destination.h    |  6 +++++-
 Garlic.cpp       | 15 ++++++++++++---
 Garlic.h         | 14 +++++++++-----
 I2NPProtocol.cpp |  6 +++---
 TunnelPool.cpp   |  2 +-
 6 files changed, 41 insertions(+), 15 deletions(-)

diff --git a/Destination.cpp b/Destination.cpp
index 751d885f..a7dfcf3c 100644
--- a/Destination.cpp
+++ b/Destination.cpp
@@ -187,8 +187,7 @@ namespace stream
 			if (uncompressed->len <= MAX_PACKET_SIZE)
 			{
 				decompressor.Get (uncompressed->buf, uncompressed->len);
-				// then forward to streaming  thread
-				m_Service.post (boost::bind (&StreamingDestination::HandleNextPacket, this, uncompressed)); 
+				HandleNextPacket (uncompressed); 
 			}
 			else
 			{
@@ -232,6 +231,16 @@ namespace stream
 			i2p::data::netdb.PublishLeaseSet (m_LeaseSet, m_Pool);
 	}	
 
+	void StreamingDestination::ProcessGarlicMessage (I2NPMessage * msg)
+	{
+		m_Service.post (boost::bind (&StreamingDestination::HandleGarlicMessage, this, msg)); 
+	}
+
+	void StreamingDestination::ProcessDeliveryStatusMessage (I2NPMessage * msg)
+	{
+		m_Service.post (boost::bind (&StreamingDestination::HandleDeliveryStatusMessage, this, msg)); 
+	}
+
 	StreamingDestinations destinations;	
 	void StreamingDestinations::Start ()
 	{
diff --git a/Destination.h b/Destination.h
index aadb8c37..9de28b4b 100644
--- a/Destination.h
+++ b/Destination.h
@@ -41,11 +41,15 @@ namespace stream
 			const i2p::data::PrivateKeys& GetPrivateKeys () const { return m_Keys; };
 			const uint8_t * GetEncryptionPrivateKey () const { return m_EncryptionPrivateKey; };
 			const uint8_t * GetEncryptionPublicKey () const { return m_EncryptionPublicKey; };
-			void SetLeaseSetUpdated ();
 
 			// implements GarlicDestination
 			const i2p::data::LeaseSet * GetLeaseSet ();
 
+			// override GarlicDestination
+			void ProcessGarlicMessage (I2NPMessage * msg);
+			void ProcessDeliveryStatusMessage (I2NPMessage * msg);	
+			void SetLeaseSetUpdated ();
+
 		private:		
 	
 			Stream * CreateNewIncomingStream ();
diff --git a/Garlic.cpp b/Garlic.cpp
index 9b9c0a23..b238b74f 100644
--- a/Garlic.cpp
+++ b/Garlic.cpp
@@ -454,7 +454,6 @@ namespace garlic
 
 	void GarlicDestination::DeliveryStatusSent (GarlicRoutingSession * session, uint32_t msgID)
 	{
-		std::unique_lock<std::mutex> l(m_CreatedSessionsMutex);
 		m_CreatedSessions[msgID] = session;
 	}		
 
@@ -463,7 +462,6 @@ namespace garlic
 		I2NPDeliveryStatusMsg * deliveryStatus = (I2NPDeliveryStatusMsg *)msg->GetPayload ();
 		uint32_t msgID = be32toh (deliveryStatus->msgID);
 		{
-			std::unique_lock<std::mutex> l(m_CreatedSessionsMutex);
 			auto it = m_CreatedSessions.find (msgID);
 			if (it != m_CreatedSessions.end ())			
 			{
@@ -477,9 +475,20 @@ namespace garlic
 
 	void GarlicDestination::SetLeaseSetUpdated ()
 	{
-		std::unique_lock<std::mutex> l(m_CreatedSessionsMutex);	
+		std::unique_lock<std::mutex> l(m_SessionsMutex);	
 		for (auto it: m_Sessions)
 			it.second->SetLeaseSetUpdated ();
 	}
+
+	void GarlicDestination::ProcessGarlicMessage (I2NPMessage * msg)
+	{
+		HandleGarlicMessage (msg);
+	}
+
+	void GarlicDestination::ProcessDeliveryStatusMessage (I2NPMessage * msg)
+	{
+		HandleDeliveryStatusMessage (msg);
+	}
+
 }	
 }
diff --git a/Garlic.h b/Garlic.h
index 33739d8a..8986b82b 100644
--- a/Garlic.h
+++ b/Garlic.h
@@ -92,14 +92,19 @@ namespace garlic
 			    I2NPMessage * msg, bool attachLeaseSet = false);
 
 			void AddSessionKey (const uint8_t * key, const uint8_t * tag); // one tag
-			void HandleGarlicMessage (I2NPMessage * msg);
-
 			void DeliveryStatusSent (GarlicRoutingSession * session, uint32_t msgID);
-			void HandleDeliveryStatusMessage (I2NPMessage * msg);
 			
+			virtual void ProcessGarlicMessage (I2NPMessage * msg);
+			virtual void ProcessDeliveryStatusMessage (I2NPMessage * msg);			
 			virtual void SetLeaseSetUpdated ();
+
 			virtual const i2p::data::LeaseSet * GetLeaseSet () = 0; // TODO
-			
+
+		protected:
+
+			void HandleGarlicMessage (I2NPMessage * msg);
+			void HandleDeliveryStatusMessage (I2NPMessage * msg);			
+	
 		private:
 
 			void HandleAESBlock (uint8_t * buf, size_t len, std::shared_ptr<i2p::crypto::CBCDecryption> decryption, 
@@ -114,7 +119,6 @@ namespace garlic
 			// incoming
 			std::map<SessionTag, std::shared_ptr<i2p::crypto::CBCDecryption>> m_Tags;	
 			// DeliveryStatus
-			std::mutex m_CreatedSessionsMutex;
 			std::map<uint32_t, GarlicRoutingSession *> m_CreatedSessions; // msgID -> session
 	};	
 }	
diff --git a/I2NPProtocol.cpp b/I2NPProtocol.cpp
index 804a7184..a48d4f2d 100644
--- a/I2NPProtocol.cpp
+++ b/I2NPProtocol.cpp
@@ -562,9 +562,9 @@ namespace i2p
 				case eI2NPGarlic:
 					LogPrint ("Garlic");
 					if (msg->from && msg->from->GetTunnelPool ())
-						msg->from->GetTunnelPool ()->GetGarlicDestination ().HandleGarlicMessage (msg);
+						msg->from->GetTunnelPool ()->GetGarlicDestination ().ProcessGarlicMessage (msg);
 					else
-						i2p::context.HandleGarlicMessage (msg); 
+						i2p::context.ProcessGarlicMessage (msg); 
 				break;
 				case eI2NPDatabaseStore:
 				case eI2NPDatabaseSearchReply:
@@ -577,7 +577,7 @@ namespace i2p
 					if (msg->from && msg->from->GetTunnelPool ())
 						msg->from->GetTunnelPool ()->ProcessDeliveryStatus (msg);
 					else
-						i2p::context.HandleDeliveryStatusMessage (msg);
+						i2p::context.ProcessDeliveryStatusMessage (msg);
 				break;	
 				default:
 					HandleI2NPMessage (msg->GetBuffer (), msg->GetLength ());
diff --git a/TunnelPool.cpp b/TunnelPool.cpp
index 55e8bc5e..a82e8934 100644
--- a/TunnelPool.cpp
+++ b/TunnelPool.cpp
@@ -221,7 +221,7 @@ namespace tunnel
 			DeleteI2NPMessage (msg);
 		}
 		else
-			m_LocalDestination.HandleDeliveryStatusMessage (msg);
+			m_LocalDestination.ProcessDeliveryStatusMessage (msg);
 	}
 
 	const i2p::data::RouterInfo * TunnelPool::SelectNextHop (const i2p::data::RouterInfo * prevHop) const