-/*
- * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-/*
- * Author : Boris Mikhailenko <stg34@stargazer.dp.ua>
- */
-
- /*
- $Revision: 1.23 $
- $Date: 2010/04/22 12:57:46 $
- $Author: faust $
- */
-
-
-#ifndef TRAFFCOUNTER_IMPL_H
-#define TRAFFCOUNTER_IMPL_H
-
-#include "stg/traffcounter.h"
-#include "stg/os_int.h"
-#include "stg/logger.h"
-#include "stg/raw_ip_packet.h"
-#include "stg/noncopyable.h"
-#include "stg/notifer.h"
-#include "actions.h"
-#include "eventloop.h"
-#include "user_impl.h"
-
-#include <ctime>
-#include <list>
-#include <map>
-#include <string>
-
-#include <pthread.h>
-
-#define PROTOMAX (5)
-
-class USERS_IMPL;
-
-//-----------------------------------------------------------------------------
-struct RULE {
-uint32_t ip; // IP
-uint32_t mask; // Network mask
-uint16_t port1; // Min port
-uint16_t port2; // Max port
-uint8_t proto; // Protocol
-uint32_t dir; // Direction
-};
-//-----------------------------------------------------------------------------
-struct PACKET_EXTRA_DATA {
-PACKET_EXTRA_DATA()
- : flushTime(0),
- updateTime(0),
- userU(NULL),
- userUPresent(false),
- userD(NULL),
- userDPresent(false),
- dirU(DIR_NUM),
- dirD(DIR_NUM),
- lenU(0),
- lenD(0)
-{}
-
-time_t flushTime; // Last flush time
-time_t updateTime; // Last update time
-USER_IMPL * userU; // Uploader
-bool userUPresent; // Uploader is registered user
-USER_IMPL * userD; // Downloader
-bool userDPresent; // Downloader is registered user
-int dirU; // Upload direction
-int dirD; // Download direction
-uint32_t lenU; // Upload length
-uint32_t lenD; // Download length
-};
-//-----------------------------------------------------------------------------
-class TRAFFCOUNTER_IMPL;
-//-----------------------------------------------------------------------------
-class TRF_IP_BEFORE: public PROPERTY_NOTIFIER_BASE<uint32_t> {
-public:
- TRF_IP_BEFORE(TRAFFCOUNTER_IMPL & t, USER_IMPL * u)
- : PROPERTY_NOTIFIER_BASE<uint32_t>(),
- traffCnt(t),
- user(u)
- {}
- TRF_IP_BEFORE(const TRF_IP_BEFORE & rvalue)
- : PROPERTY_NOTIFIER_BASE<uint32_t>(),
- traffCnt(rvalue.traffCnt),
- user(rvalue.user)
- {}
- void Notify(const uint32_t & oldValue, const uint32_t & newValue);
- void SetUser(USER_IMPL * u) { user = u; }
- USER_IMPL * GetUser() const { return user; }
-
-private:
- TRF_IP_BEFORE & operator=(const TRF_IP_BEFORE & rvalue);
-
- TRAFFCOUNTER_IMPL & traffCnt;
- USER_IMPL * user;
-};
-//-----------------------------------------------------------------------------
-class TRF_IP_AFTER: public PROPERTY_NOTIFIER_BASE<uint32_t> {
-public:
- TRF_IP_AFTER(TRAFFCOUNTER_IMPL & t, USER_IMPL * u)
- : PROPERTY_NOTIFIER_BASE<uint32_t>(),
- traffCnt(t),
- user(u)
- {}
- TRF_IP_AFTER(const TRF_IP_AFTER & rvalue)
- : PROPERTY_NOTIFIER_BASE<uint32_t>(),
- traffCnt(rvalue.traffCnt),
- user(rvalue.user)
- {}
- void Notify(const uint32_t & oldValue, const uint32_t & newValue);
- void SetUser(USER_IMPL * u) { user = u; }
- USER_IMPL * GetUser() const { return user; }
-private:
- TRF_IP_AFTER & operator=(const TRF_IP_AFTER & rvalue);
-
- TRAFFCOUNTER_IMPL & traffCnt;
- USER_IMPL * user;
-};
-//-----------------------------------------------------------------------------
-class ADD_USER_NONIFIER: public NOTIFIER_BASE<USER_IMPL_PTR> {
-public:
- explicit ADD_USER_NONIFIER(TRAFFCOUNTER_IMPL & t) :
- NOTIFIER_BASE<USER_IMPL_PTR>(),
- traffCnt(t)
- {}
- virtual ~ADD_USER_NONIFIER() {}
- void Notify(const USER_IMPL_PTR & user);
-
-private:
- ADD_USER_NONIFIER(const ADD_USER_NONIFIER & rvalue);
- ADD_USER_NONIFIER & operator=(const ADD_USER_NONIFIER & rvalue);
-
- TRAFFCOUNTER_IMPL & traffCnt;
-};
-//-----------------------------------------------------------------------------
-class DEL_USER_NONIFIER: public NOTIFIER_BASE<USER_IMPL_PTR> {
-public:
- explicit DEL_USER_NONIFIER(TRAFFCOUNTER_IMPL & t) :
- NOTIFIER_BASE<USER_IMPL_PTR>(),
- traffCnt(t)
- {}
- virtual ~DEL_USER_NONIFIER() {}
- void Notify(const USER_IMPL_PTR & user);
-
-private:
- DEL_USER_NONIFIER(const DEL_USER_NONIFIER & rvalue);
- DEL_USER_NONIFIER & operator=(const DEL_USER_NONIFIER & rvalue);
-
- TRAFFCOUNTER_IMPL & traffCnt;
-};
-//-----------------------------------------------------------------------------
-class TRAFFCOUNTER_IMPL : public TRAFFCOUNTER, private NONCOPYABLE {
-friend class ADD_USER_NONIFIER;
-friend class DEL_USER_NONIFIER;
-friend class TRF_IP_BEFORE;
-friend class TRF_IP_AFTER;
-public:
- TRAFFCOUNTER_IMPL(USERS_IMPL * users, const std::string & rulesFileName);
- ~TRAFFCOUNTER_IMPL();
-
- int Reload();
- int Start();
- int Stop();
-
- void Process(const RAW_PACKET & rawPacket);
- void SetMonitorDir(const std::string & monitorDir);
-
- size_t RulesCount() const { return rules.size(); }
-
-private:
- TRAFFCOUNTER_IMPL(const TRAFFCOUNTER_IMPL &);
- TRAFFCOUNTER_IMPL & operator=(const TRAFFCOUNTER_IMPL &);
-
- bool ParseAddress(const char * ta, RULE * rule) const;
- uint32_t CalcMask(uint32_t msk) const;
- void FreeRules();
- bool ReadRules(bool test = false);
-
- static void * Run(void * data);
-
- void DeterminateDir(const RAW_PACKET & packet,
- int * dirU, // Direction for upload
- int * dirD) const; // Direction for download
-
- void FlushAndRemove();
-
- void AddUser(USER_IMPL * user);
- void DelUser(uint32_t uip);
- void SetUserNotifiers(USER_IMPL * user);
- void UnSetUserNotifiers(USER_IMPL * user);
-
- typedef std::list<RULE>::iterator rule_iter;
-
- std::list<RULE> rules;
-
- typedef std::map<RAW_PACKET, PACKET_EXTRA_DATA> Packets;
- typedef Packets::iterator pp_iter;
- typedef std::multimap<uint32_t, pp_iter> Index;
- typedef Index::iterator ip2p_iter;
- typedef Index::const_iterator ip2p_citer;
-
- Packets packets; // Packets tree
-
- Index ip2packets; // IP-to-Packet index
-
- std::string dirName[DIR_NUM + 1];
-
- STG_LOGGER & WriteServLog;
- std::string rulesFileName;
-
- std::string monitorDir;
- bool monitoring;
- time_t touchTimeP;
-
- USERS_IMPL * users;
-
- bool running;
- bool stopped;
- pthread_mutex_t mutex;
- pthread_t thread;
-
- std::list<TRF_IP_BEFORE> ipBeforeNotifiers;
- std::list<TRF_IP_AFTER> ipAfterNotifiers;
-
- ADD_USER_NONIFIER addUserNotifier;
- DEL_USER_NONIFIER delUserNotifier;
-};
-//-----------------------------------------------------------------------------
-inline
-void TRF_IP_BEFORE::Notify(const uint32_t & oldValue, const uint32_t &)
-{
-// User changes his address. Remove old IP
-if (!oldValue)
- return;
-
-EVENT_LOOP_SINGLETON::GetInstance().Enqueue(traffCnt, &TRAFFCOUNTER_IMPL::DelUser, oldValue);
-}
-//-----------------------------------------------------------------------------
-inline
-void TRF_IP_AFTER::Notify(const uint32_t &, const uint32_t & newValue)
-{
-// User changes his address. Add new IP
-if (!newValue)
- return;
-
-EVENT_LOOP_SINGLETON::GetInstance().Enqueue(traffCnt, &TRAFFCOUNTER_IMPL::AddUser, user);
-}
-//-----------------------------------------------------------------------------
-inline
-void ADD_USER_NONIFIER::Notify(const USER_IMPL_PTR & user)
-{
-EVENT_LOOP_SINGLETON::GetInstance().Enqueue(traffCnt, &TRAFFCOUNTER_IMPL::SetUserNotifiers, user);
-}
-//-----------------------------------------------------------------------------
-inline
-void DEL_USER_NONIFIER::Notify(const USER_IMPL_PTR & user)
-{
-EVENT_LOOP_SINGLETON::GetInstance().Enqueue(traffCnt, &TRAFFCOUNTER_IMPL::UnSetUserNotifiers, user);
-EVENT_LOOP_SINGLETON::GetInstance().Enqueue(traffCnt, &TRAFFCOUNTER_IMPL::DelUser, user->GetCurrIP());
-}
-//-----------------------------------------------------------------------------
-#endif //TRAFFCOUNTER_H