107 lines
2.6 KiB
C++
107 lines
2.6 KiB
C++
/*
|
|
* connection.h
|
|
*
|
|
* Copyright (c) 2004-2006,2008 Arnout Engelen
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
|
|
*USA.
|
|
*
|
|
*/
|
|
#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) {
|
|
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 */
|
|
u_int64_t sumanddel(timeval t);
|
|
|
|
/* calling code may delete packet */
|
|
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 */
|
|
/* packet may be deleted by caller */
|
|
Connection(Packet *packet);
|
|
|
|
~Connection();
|
|
|
|
/* add a packet to the packlist
|
|
* will delete the packet structure
|
|
* when it is 'merged with' (added to) another
|
|
* packet
|
|
*/
|
|
void add(Packet *packet);
|
|
|
|
int getLastPacket() { return lastpacket; }
|
|
|
|
/* sums up the total bytes used
|
|
* and removes 'old' packets. */
|
|
void sumanddel(timeval curtime, u_int64_t *recv, u_int64_t *sent);
|
|
|
|
/* for checking if a packet is part of this connection */
|
|
/* the reference packet is always *outgoing*. */
|
|
Packet *refpacket;
|
|
|
|
/* total sum or sent/received bytes */
|
|
u_int64_t sumSent;
|
|
u_int64_t sumRecv;
|
|
|
|
private:
|
|
PackList *sent_packets;
|
|
PackList *recv_packets;
|
|
int lastpacket;
|
|
};
|
|
|
|
/* Find the connection this packet belongs to */
|
|
/* (the calling code may free the packet afterwards) */
|
|
Connection *findConnection(Packet *packet, short int packettype);
|
|
|
|
#endif
|