--- /dev/null
+/*
+ * 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>
+ */
+
+#pragma once
+
+#include "stg/traffcounter.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 <cstdint>
+
+#include <pthread.h>
+
+#define PROTOMAX (5)
+
+namespace STG
+{
+
+class UsersImpl;
+
+//-----------------------------------------------------------------------------
+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 PacketExtraData {
+ PacketExtraData()
+ : 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
+ UserImpl * userU; // Uploader
+ bool userUPresent; // Uploader is registered user
+ UserImpl * 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 TraffCounterImpl;
+//-----------------------------------------------------------------------------
+class TRF_IP_BEFORE: public PropertyNotifierBase<uint32_t> {
+public:
+ TRF_IP_BEFORE(TraffCounterImpl & t, UserImpl * u)
+ : PropertyNotifierBase<uint32_t>(),
+ traffCnt(t),
+ user(u)
+ {}
+ TRF_IP_BEFORE(const TRF_IP_BEFORE & rvalue)
+ : PropertyNotifierBase<uint32_t>(),
+ traffCnt(rvalue.traffCnt),
+ user(rvalue.user)
+ {}
+ void Notify(const uint32_t & oldValue, const uint32_t & newValue);
+ void SetUser(UserImpl * u) { user = u; }
+ UserImpl * GetUser() const { return user; }
+
+private:
+ TRF_IP_BEFORE & operator=(const TRF_IP_BEFORE & rvalue);
+
+ TraffCounterImpl & traffCnt;
+ UserImpl * user;
+};
+//-----------------------------------------------------------------------------
+class TRF_IP_AFTER: public PropertyNotifierBase<uint32_t> {
+public:
+ TRF_IP_AFTER(TraffCounterImpl & t, UserImpl * u)
+ : PropertyNotifierBase<uint32_t>(),
+ traffCnt(t),
+ user(u)
+ {}
+ TRF_IP_AFTER(const TRF_IP_AFTER & rvalue)
+ : PropertyNotifierBase<uint32_t>(),
+ traffCnt(rvalue.traffCnt),
+ user(rvalue.user)
+ {}
+ void Notify(const uint32_t & oldValue, const uint32_t & newValue);
+ void SetUser(UserImpl * u) { user = u; }
+ UserImpl * GetUser() const { return user; }
+private:
+ TRF_IP_AFTER & operator=(const TRF_IP_AFTER & rvalue);
+
+ TraffCounterImpl & traffCnt;
+ UserImpl * user;
+};
+
+using UserImplPtr = UserImpl*;
+//-----------------------------------------------------------------------------
+class ADD_USER_NONIFIER: public NotifierBase<UserImplPtr> {
+public:
+ explicit ADD_USER_NONIFIER(TraffCounterImpl & t) :
+ NotifierBase<UserImplPtr>(),
+ traffCnt(t)
+ {}
+ virtual ~ADD_USER_NONIFIER() {}
+ void Notify(const UserImplPtr & user);
+
+private:
+ ADD_USER_NONIFIER(const ADD_USER_NONIFIER & rvalue);
+ ADD_USER_NONIFIER & operator=(const ADD_USER_NONIFIER & rvalue);
+
+ TraffCounterImpl & traffCnt;
+};
+//-----------------------------------------------------------------------------
+class DEL_USER_NONIFIER: public NotifierBase<UserImplPtr> {
+public:
+ explicit DEL_USER_NONIFIER(TraffCounterImpl & t) :
+ NotifierBase<UserImplPtr>(),
+ traffCnt(t)
+ {}
+ virtual ~DEL_USER_NONIFIER() {}
+ void Notify(const UserImplPtr & user);
+
+private:
+ DEL_USER_NONIFIER(const DEL_USER_NONIFIER & rvalue);
+ DEL_USER_NONIFIER & operator=(const DEL_USER_NONIFIER & rvalue);
+
+ TraffCounterImpl & traffCnt;
+};
+//-----------------------------------------------------------------------------
+class TraffCounterImpl : public TraffCounter {
+ friend class ADD_USER_NONIFIER;
+ friend class DEL_USER_NONIFIER;
+ friend class TRF_IP_BEFORE;
+ friend class TRF_IP_AFTER;
+ public:
+ TraffCounterImpl(UsersImpl * users, const std::string & rulesFileName);
+ ~TraffCounterImpl();
+
+ int Reload();
+ int Start();
+ int Stop();
+
+ void process(const RawPacket & rawPacket) override;
+ void SetMonitorDir(const std::string & monitorDir);
+
+ size_t rulesCount() const override { return rules.size(); }
+
+ private:
+ 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 RawPacket & packet,
+ int * dirU, // Direction for upload
+ int * dirD) const; // Direction for download
+
+ void FlushAndRemove();
+
+ void AddUser(UserImpl * user);
+ void DelUser(uint32_t uip);
+ void SetUserNotifiers(UserImpl * user);
+ void UnSetUserNotifiers(UserImpl * user);
+
+ typedef std::list<Rule>::iterator rule_iter;
+
+ std::list<Rule> rules;
+
+ typedef std::map<RawPacket, PacketExtraData> 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];
+
+ Logger & WriteServLog;
+ std::string rulesFileName;
+
+ std::string monitorDir;
+ bool monitoring;
+ time_t touchTimeP;
+
+ UsersImpl * 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, &TraffCounterImpl::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, &TraffCounterImpl::AddUser, user);
+}
+//-----------------------------------------------------------------------------
+inline
+void ADD_USER_NONIFIER::Notify(const UserImplPtr & user)
+{
+EVENT_LOOP_SINGLETON::GetInstance().Enqueue(traffCnt, &TraffCounterImpl::SetUserNotifiers, user);
+}
+//-----------------------------------------------------------------------------
+inline
+void DEL_USER_NONIFIER::Notify(const UserImplPtr & user)
+{
+EVENT_LOOP_SINGLETON::GetInstance().Enqueue(traffCnt, &TraffCounterImpl::UnSetUserNotifiers, user);
+EVENT_LOOP_SINGLETON::GetInstance().Enqueue(traffCnt, &TraffCounterImpl::DelUser, user->GetCurrIP());
+}
+//-----------------------------------------------------------------------------
+}
git.stg.codes / stg.git / blobdiff