Initial import.

connection.h

@@ -0,0 +1,86 @@
+#ifndef __CONNECTION_H
+#define __CONNECTION_H
+
+#include <iostream>
+#include "packet.h"
+
+class PackListNode
+{
+public:
+	PackListNode (Packet * m_val, PackListNode * m_next = NULL)
+	{
+		val = m_val;
+		next = m_next;
+	}
+	~PackListNode ()
+	{
+		delete val;
+		if (next != NULL)
+			delete next;
+	}
+	PackListNode * next;
+	Packet * val;
+};
+
+class PackList
+{
+public:
+	PackList ()
+	{ 	
+		content = NULL; 
+	}
+	PackList (Packet * m_val)
+	{
+		if (DEBUG)
+			assert (m_val != NULL);
+		content = new PackListNode(m_val);
+	}
+	~PackList ()
+	{
+		if (content != NULL)
+			delete content;
+	}
+
+	/* sums up the total bytes used and removes 'old' packets */
+	bpf_u_int32 sumanddel (timeval t);
+
+	void add (Packet * p);
+private:
+	PackListNode * content;
+};
+
+class Connection
+{
+public:
+	/* constructs a connection, makes a copy of
+	 * the packet as 'refpacket', and adds the
+	 * packet to the packlist */
+	Connection (Packet * packet);
+
+	~Connection();
+
+	/* add a packet to the packlist 
+	 * will delete the packet when it is
+	 * 'merged' with another packet
+	 */
+	void add (Packet * packet);
+
+	int getLastPacket ()
+	{ return lastpacket; }
+
+	/* sums up the total bytes used
+	 * and removes 'old' packets. */
+	void sumanddel(timeval curtime, bpf_u_int32 * sent, bpf_u_int32 * recv);
+
+	/* for checking if a packet is part of this connection */
+	Packet * refpacket;
+private:
+	PackList * sent_packets; 
+	PackList * recv_packets; 
+	int lastpacket;
+};
+
+/* Find the connection this packet belongs to */
+Connection * findConnection (Packet * packet);
+
+#endif