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//------------------------------------------------------------------------------
// Author: Pavel Karneliuk
// Description: Session structure.
// Copyright (c) 2013 EPAM Systems
//------------------------------------------------------------------------------
/*
This file is part of Nfstrace.
Nfstrace 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, version 2 of the License.
Nfstrace 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 Nfstrace. If not, see <http://www.gnu.org/licenses/>.
*/
//------------------------------------------------------------------------------
#ifndef SESSION_H
#define SESSION_H
//------------------------------------------------------------------------------
#include <cstdint>
#include <netinet/in.h> // for in_port_t, in_addr_t types
//------------------------------------------------------------------------------
namespace NST
{
namespace API
{
struct Session
{
enum Direction
{
Source =0,
Destination =1,
Unknown =0xBAD
};
enum Type
{
TCP=0,
UDP=1
} type :16; // 16 bit for alignment following integers
enum IPType
{
v4=0,
v6=1
} ip_type:16; // 16 bit for alignment following integers
in_port_t port[2]; // 2 ports in network byte order
union IPAddress
{
struct // 2 IPv4 addresses in network byte order
{
in_addr_t addr[2];
} v4;
union // 2 IPv6 addresses in network byte order
{
uint8_t addr [2][16];
uint32_t addr_uint32[2][4];
} __attribute__ ((__packed__)) v6;
} ip;
};
} // namespace API
} // namespace NST
//------------------------------------------------------------------------------
#endif//SESSION_H
//------------------------------------------------------------------------------
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