eliminated cast to DatabaseStoreMsg

Destination.cpp

@@ -209,15 +209,14 @@ namespace client
 
 	void ClientDestination::HandleDatabaseStoreMessage (const uint8_t * buf, size_t len)
 	{
-		I2NPDatabaseStoreMsg msg;
-		memcpy(&msg,buf,sizeof (I2NPDatabaseStoreMsg));
-		size_t offset = sizeof (I2NPDatabaseStoreMsg);
-		if (msg.replyToken) // TODO:
+		uint32_t replyToken = bufbe32toh (buf + DATABASE_STORE_REPLY_TOKEN_OFFSET);
+		size_t offset = DATABASE_STORE_HEADER_SIZE;
+		if (replyToken) // TODO:
 			offset += 36;
-		if (msg.type == 1) // LeaseSet
+		if (buf[DATABASE_STORE_TYPE_OFFSET] == 1) // LeaseSet
 		{
 			LogPrint (eLogDebug, "Remote LeaseSet");
-			auto it = m_RemoteLeaseSets.find (msg.key);
+			auto it = m_RemoteLeaseSets.find (buf + DATABASE_STORE_KEY_OFFSET);
 			if (it != m_RemoteLeaseSets.end ())
 			{
 				it->second->Update (buf + offset, len - offset); 
@@ -226,13 +225,13 @@ namespace client
 			else
 			{	
 				LogPrint (eLogDebug, "New remote LeaseSet added");
-				m_RemoteLeaseSets[msg.key] = new i2p::data::LeaseSet (buf + offset, len - offset);
+				m_RemoteLeaseSets[buf + DATABASE_STORE_KEY_OFFSET] = new i2p::data::LeaseSet (buf + offset, len - offset);
 			}	
 		}	
 		else
-			LogPrint (eLogError, "Unexpected client's DatabaseStore type ", msg.type, ". Dropped");
+			LogPrint (eLogError, "Unexpected client's DatabaseStore type ", buf[DATABASE_STORE_TYPE_OFFSET], ". Dropped");
 		
-		auto it1 = m_LeaseSetRequests.find (msg.key);
+		auto it1 = m_LeaseSetRequests.find (buf + DATABASE_STORE_KEY_OFFSET);
 		if (it1 != m_LeaseSetRequests.end ())
 		{
 			it1->second->requestTimeoutTimer.cancel ();

I2NPProtocol.cpp

@@ -235,22 +235,22 @@ namespace i2p
 			router = &context.GetRouterInfo ();
 
 		I2NPMessage * m = NewI2NPShortMessage ();
-		I2NPDatabaseStoreMsg * msg = (I2NPDatabaseStoreMsg *)m->GetPayload ();		
+		uint8_t * payload = m->GetPayload ();		
 
-		memcpy (msg->key, router->GetIdentHash (), 32);
-		msg->type = 0;
-		msg->replyToken = 0;
+		memcpy (payload + DATABASE_STORE_KEY_OFFSET, router->GetIdentHash (), 32);
+		payload[DATABASE_STORE_TYPE_OFFSET] = 0;
+		htobe32buf (payload + DATABASE_STORE_REPLY_TOKEN_OFFSET, 0);
 		
 		CryptoPP::Gzip compressor;
 		compressor.Put (router->GetBuffer (), router->GetBufferLen ());
 		compressor.MessageEnd();
 		auto size = compressor.MaxRetrievable ();
-		uint8_t * buf = m->GetPayload () + sizeof (I2NPDatabaseStoreMsg);
+		uint8_t * buf = payload + DATABASE_STORE_HEADER_SIZE;
 		htobe16buf (buf, size); // size
 		buf += 2;
 		// TODO: check if size doesn't exceed buffer
 		compressor.Get (buf, size); 
-		m->len += sizeof (I2NPDatabaseStoreMsg) + 2 + size; // payload size
+		m->len += DATABASE_STORE_HEADER_SIZE + 2 + size; // payload size
 		FillI2NPMessageHeader (m, eI2NPDatabaseStore);
 		
 		return m;
@@ -261,11 +261,10 @@ namespace i2p
 		if (!leaseSet) return nullptr;
 		I2NPMessage * m = NewI2NPShortMessage ();
 		uint8_t * payload = m->GetPayload ();	
-		I2NPDatabaseStoreMsg * msg = (I2NPDatabaseStoreMsg *)payload;
-		memcpy (msg->key, leaseSet->GetIdentHash (), 32);
-		msg->type = 1; // LeaseSet
-		msg->replyToken = htobe32 (replyToken);
-		size_t size = sizeof (I2NPDatabaseStoreMsg);
+		memcpy (payload + DATABASE_STORE_KEY_OFFSET, leaseSet->GetIdentHash (), 32);
+		payload[DATABASE_STORE_TYPE_OFFSET] = 1; // LeaseSet
+		htobe32buf (payload + DATABASE_STORE_REPLY_TOKEN_OFFSET, replyToken);
+		size_t size = DATABASE_STORE_HEADER_SIZE;
 		if (replyToken)
 		{
 			auto leases = leaseSet->GetNonExpiredLeases ();
@@ -277,7 +276,7 @@ namespace i2p
 				size += 32; // reply tunnel gateway
 			}
 			else
-				msg->replyToken = 0;
+				htobe32buf (payload + DATABASE_STORE_REPLY_TOKEN_OFFSET, 0);
 		}
 		memcpy (payload + size, leaseSet->GetBuffer (), leaseSet->GetBufferLen ());
 		size += leaseSet->GetBufferLen ();

I2NPProtocol.h

@@ -35,14 +35,20 @@ namespace i2p
 	const size_t DELIVERY_STATUS_TIMESTAMP_OFFSET = DELIVERY_STATUS_MSGID_OFFSET + 4;
 	const size_t DELIVERY_STATUS_SIZE = DELIVERY_STATUS_TIMESTAMP_OFFSET + 8;
 
+	// DatabaseStore
+	const size_t DATABASE_STORE_KEY_OFFSET = 0;
+	const size_t DATABASE_STORE_TYPE_OFFSET = DATABASE_STORE_KEY_OFFSET + 32;
+	const size_t DATABASE_STORE_REPLY_TOKEN_OFFSET = DATABASE_STORE_TYPE_OFFSET + 1;
+	const size_t DATABASE_STORE_HEADER_SIZE = DATABASE_STORE_REPLY_TOKEN_OFFSET + 4;
+	
 #pragma pack (1)
 
-	struct I2NPDatabaseStoreMsg
+	/*struct I2NPDatabaseStoreMsg
 	{
 		uint8_t key[32];
 		uint8_t type;
 		uint32_t replyToken;	
-	};
+	};*/
 	
 	struct I2NPBuildRequestRecordClearText
 	{

NetDb.cpp

@@ -425,15 +425,14 @@ namespace data
 	{	
 		const uint8_t * buf = m->GetPayload ();
 		size_t len = m->GetSize ();		
-		I2NPDatabaseStoreMsg msg;
-		memcpy (&msg, buf, sizeof (I2NPDatabaseStoreMsg));
-		size_t offset = sizeof (I2NPDatabaseStoreMsg);
-		if (msg.replyToken)
+		uint32_t replyToken = bufbe32toh (buf + DATABASE_STORE_REPLY_TOKEN_OFFSET);
+		size_t offset = DATABASE_STORE_HEADER_SIZE;
+		if (replyToken)
 			offset += 36;
-		if (msg.type)
+		if (buf[DATABASE_STORE_TYPE_OFFSET]) // type
 		{
 			LogPrint ("LeaseSet");
-			AddLeaseSet (msg.key, buf + offset, len - offset, m->from);
+			AddLeaseSet (buf + DATABASE_STORE_KEY_OFFSET, buf + offset, len - offset, m->from);
 		}	
 		else
 		{
@@ -451,7 +450,7 @@ namespace data
 			uint8_t uncompressed[2048];
 			size_t uncomressedSize = decompressor.MaxRetrievable ();
 			decompressor.Get (uncompressed, uncomressedSize);
-			AddRouterInfo (msg.key, uncompressed, uncomressedSize);
+			AddRouterInfo (buf + DATABASE_STORE_KEY_OFFSET, uncompressed, uncomressedSize);
 		}	
 		i2p::DeleteI2NPMessage (m);
 	}