split SSU to SSU and SSUData

SSUData.h

@@ -0,0 +1,48 @@
+#ifndef SSU_DATA_H__
+#define SSU_DATA_H__
+
+#include <inttypes.h>
+#include <map>
+#include "I2NPProtocol.h"
+
+namespace i2p
+{
+namespace ssu
+{
+
+	// data flags
+	const uint8_t DATA_FLAG_EXTENDED_DATA_INCLUDED = 0x02;
+	const uint8_t DATA_FLAG_WANT_REPLY = 0x04;
+	const uint8_t DATA_FLAG_REQUEST_PREVIOUS_ACKS = 0x08;
+	const uint8_t DATA_FLAG_EXPLICIT_CONGESTION_NOTIFICATION = 0x10;
+	const uint8_t DATA_FLAG_ACK_BITFIELDS_INCLUDED = 0x40;
+	const uint8_t DATA_FLAG_EXPLICIT_ACKS_INCLUDED = 0x80;	
+
+	class SSUSession;
+	class SSUData
+	{
+		public:
+
+			SSUData (SSUSession& session);
+			~SSUData ();
+
+			void ProcessMessage (uint8_t * buf, size_t len);
+
+		private:
+
+			struct IncompleteMessage
+			{
+				I2NPMessage * msg;
+				uint8_t nextFragmentNum;	
+
+				IncompleteMessage (I2NPMessage * m): msg (m), nextFragmentNum (1) {};
+			};
+
+			SSUSession& m_Session;
+			std::map<uint32_t, IncompleteMessage *> m_IncomleteMessages;
+	};	
+}
+}
+
+#endif
+