transit tunnel

TunnelGateway.h

@@ -0,0 +1,41 @@
+#ifndef TUNNEL_GATEWAY_H__
+#define TUNNEL_GATEWAY_H__
+
+#include <inttypes.h>
+#include <vector>
+#include "I2NPProtocol.h"
+#include "TunnelBase.h"
+
+namespace i2p
+{
+namespace tunnel
+{
+	class TunnelGatewayBuffer
+	{
+		struct TunnelMessageBlockExt: public TunnelMessageBlock
+		{
+			size_t deliveryInstructionsLen, totalLen;
+		};	
+		
+		public:
+
+			void PutI2NPMsg (const uint8_t * gwHash, uint32_t gwTunnel, I2NPMessage * msg);	
+			std::vector<I2NPMessage *> GetTunnelDataMsgs (uint32_t tunnelID);
+
+		private:
+
+			size_t CreateFirstFragment (TunnelMessageBlockExt * block, uint8_t * buf, size_t len);
+			size_t CreateFollowOnFragment (TunnelMessageBlockExt * block, uint8_t * buf, size_t len);
+			I2NPMessage * CreateNextTunnelMessage (uint32_t tunnelID, int from, int to, size_t size);
+			
+		private:
+
+			std::vector<TunnelMessageBlockExt *> m_I2NPMsgs;
+			// for fragmented  messages
+			size_t m_NextOffset, m_NextSeqn;
+			uint32_t m_NextMsgID;
+	};	
+}		
+}	
+
+#endif