From c5644e0e32d799d59c3de6df1ecbf18598c870ca Mon Sep 17 00:00:00 2001
From: orignal <i2porignal@yandex.ru>
Date: Fri, 3 Jul 2015 21:27:40 -0400
Subject: [PATCH] const I2NP messages

---
 NetDb.cpp | 20 ++++++++++----------
 NetDb.h   | 10 +++++-----
 2 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/NetDb.cpp b/NetDb.cpp
index dad122a2..39dd6430 100644
--- a/NetDb.cpp
+++ b/NetDb.cpp
@@ -453,7 +453,7 @@ namespace data
 		}	
 	}	
 	
-	void NetDb::HandleDatabaseStoreMsg (std::shared_ptr<I2NPMessage> m)
+	void NetDb::HandleDatabaseStoreMsg (std::shared_ptr<const I2NPMessage> m)
 	{	
 		const uint8_t * buf = m->GetPayload ();
 		size_t len = m->GetSize ();		
@@ -540,9 +540,9 @@ namespace data
 		}	
 	}	
 
-	void NetDb::HandleDatabaseSearchReplyMsg (std::shared_ptr<I2NPMessage> msg)
+	void NetDb::HandleDatabaseSearchReplyMsg (std::shared_ptr<const I2NPMessage> msg)
 	{
-		uint8_t * buf = msg->GetPayload ();
+		const uint8_t * buf = msg->GetPayload ();
 		char key[48];
 		int l = i2p::data::ByteStreamToBase64 (buf, 32, key, 48);
 		key[l] = 0;
@@ -611,7 +611,7 @@ namespace data
 		// try responses
 		for (int i = 0; i < num; i++)
 		{
-			uint8_t * router = buf + 33 + i*32;
+			const uint8_t * router = buf + 33 + i*32;
 			char peerHash[48];
 			int l1 = i2p::data::ByteStreamToBase64 (router, 32, peerHash, 48);
 			peerHash[l1] = 0;
@@ -629,9 +629,9 @@ namespace data
 		}	
 	}	
 	
-	void NetDb::HandleDatabaseLookupMsg (std::shared_ptr<I2NPMessage> msg)
+	void NetDb::HandleDatabaseLookupMsg (std::shared_ptr<const I2NPMessage> msg)
 	{
-		uint8_t * buf = msg->GetPayload ();
+		const uint8_t * buf = msg->GetPayload ();
 		IdentHash ident (buf);
 		if (ident.IsZero ())
 		{
@@ -644,7 +644,7 @@ namespace data
 		uint8_t flag = buf[64];
 		LogPrint ("DatabaseLookup for ", key, " recieved flags=", (int)flag);
 		uint8_t lookupType = flag & DATABASE_LOOKUP_TYPE_FLAGS_MASK;
-		uint8_t * excluded = buf + 65;		
+		const uint8_t * excluded = buf + 65;		
 		uint32_t replyTunnelID = 0;
 		if (flag & DATABASE_LOOKUP_DELIVERY_FLAG) //reply to tunnel
 		{
@@ -727,11 +727,11 @@ namespace data
 				// encryption might be used though tunnel only
 				if (flag & DATABASE_LOOKUP_ENCYPTION_FLAG) // encrypted reply requested
 				{
-					uint8_t * sessionKey = excluded;
+					const uint8_t * sessionKey = excluded;
 					uint8_t numTags = sessionKey[32];
 					if (numTags > 0) 
 					{
-						uint8_t * sessionTag = sessionKey + 33; // take first tag
+						const uint8_t * sessionTag = sessionKey + 33; // take first tag
 						i2p::garlic::GarlicRoutingSession garlic (sessionKey, sessionTag);
 						replyMsg = garlic.WrapSingleMessage (replyMsg);
 					}
@@ -890,7 +890,7 @@ namespace data
 		return nullptr; // seems we have too few routers
 	}	
 	
-	void NetDb::PostI2NPMsg (std::shared_ptr<I2NPMessage> msg)
+	void NetDb::PostI2NPMsg (std::shared_ptr<const I2NPMessage> msg)
 	{
 		if (msg) m_Queue.Put (msg);	
 	}	
diff --git a/NetDb.h b/NetDb.h
index adeee675..71db2e52 100644
--- a/NetDb.h
+++ b/NetDb.h
@@ -41,9 +41,9 @@ namespace data
 
 			void RequestDestination (const IdentHash& destination, RequestedDestination::RequestComplete requestComplete = nullptr);			
 			
-			void HandleDatabaseStoreMsg (std::shared_ptr<I2NPMessage> msg);
-			void HandleDatabaseSearchReplyMsg (std::shared_ptr<I2NPMessage> msg);
-			void HandleDatabaseLookupMsg (std::shared_ptr<I2NPMessage> msg);			
+			void HandleDatabaseStoreMsg (std::shared_ptr<const I2NPMessage> msg);
+			void HandleDatabaseSearchReplyMsg (std::shared_ptr<const I2NPMessage> msg);
+			void HandleDatabaseLookupMsg (std::shared_ptr<const I2NPMessage> msg);			
 
 			std::shared_ptr<const RouterInfo> GetRandomRouter () const;
 			std::shared_ptr<const RouterInfo> GetRandomRouter (std::shared_ptr<const RouterInfo> compatibleWith) const;
@@ -56,7 +56,7 @@ namespace data
 			std::shared_ptr<const RouterInfo> GetClosestNonFloodfill (const IdentHash& destination, const std::set<IdentHash>& excluded) const;
 			void SetUnreachable (const IdentHash& ident, bool unreachable);			
 
-			void PostI2NPMsg (std::shared_ptr<I2NPMessage> msg);
+			void PostI2NPMsg (std::shared_ptr<const I2NPMessage> msg);
 
 			void Reseed ();
 
@@ -89,7 +89,7 @@ namespace data
 			
 			bool m_IsRunning;
 			std::thread * m_Thread;	
-			i2p::util::Queue<std::shared_ptr<I2NPMessage> > m_Queue; // of I2NPDatabaseStoreMsg
+			i2p::util::Queue<std::shared_ptr<const I2NPMessage> > m_Queue; // of I2NPDatabaseStoreMsg
 
 			Reseeder * m_Reseeder;