115 lines
2.5 KiB
C++
115 lines
2.5 KiB
C++
/*
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* connection.h
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*
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* Copyright (c) 2004-2006,2008 Arnout Engelen
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef __CONNECTION_H
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#define __CONNECTION_H
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#include <iostream>
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#include "packet.h"
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class PackListNode
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{
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public:
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PackListNode (Packet * m_val, PackListNode * m_next = NULL)
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{
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val = m_val;
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next = m_next;
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}
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~PackListNode ()
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{
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delete val;
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if (next != NULL)
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delete next;
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}
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PackListNode * next;
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Packet * val;
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};
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class PackList
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{
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public:
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PackList ()
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{
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content = NULL;
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}
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PackList (Packet * m_val)
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{
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assert (m_val != NULL);
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content = new PackListNode(m_val);
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}
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~PackList ()
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{
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if (content != NULL)
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delete content;
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}
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/* sums up the total bytes used and removes 'old' packets */
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u_int32_t sumanddel (timeval t);
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/* calling code may delete packet */
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void add (Packet * p);
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private:
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PackListNode * content;
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};
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class Connection
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{
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public:
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/* constructs a connection, makes a copy of
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* the packet as 'refpacket', and adds the
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* packet to the packlist */
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/* packet may be deleted by caller */
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Connection (Packet * packet);
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~Connection();
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/* add a packet to the packlist
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* will delete the packet structure
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* when it is 'merged with' (added to) another
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* packet
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*/
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void add (Packet * packet);
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int getLastPacket ()
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{ return lastpacket; }
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/* sums up the total bytes used
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* and removes 'old' packets. */
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void sumanddel(timeval curtime, u_int32_t * recv, u_int32_t * sent);
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/* for checking if a packet is part of this connection */
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/* the reference packet is always *outgoing*. */
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Packet * refpacket;
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/* total sum or sent/received bytes */
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u_int32_t sumSent;
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u_int32_t sumRecv;
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private:
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PackList * sent_packets;
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PackList * recv_packets;
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int lastpacket;
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};
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/* Find the connection this packet belongs to */
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/* (the calling code may free the packet afterwards) */
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Connection * findConnection (Packet * packet);
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#endif
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