/*
* 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>
* Author : Maxim Mamontov <faust@stargazer.dp.ua>
*/
#ifndef RSCRIPT_H
#define RSCRIPT_H
#include <pthread.h>
#include <string>
#include <list>
#include <map>
#include <functional>
#include <utility>
#include "stg/plugin.h"
#include "stg/module_settings.h"
#include "stg/os_int.h"
#include "stg/notifer.h"
#include "stg/user.h"
#include "stg/blowfish.h"
#include "stg/rs_packets.h"
#include "stg/logger.h"
#include "nrmap_parser.h"
extern "C" PLUGIN * GetPlugin();
#define RS_DEBUG (1)
#define MAX_SHORT_PCKT (3)
class SETTINGS;
class USERS;
namespace RS
{
class REMOTE_SCRIPT;
class UpdateRouter;
class DisconnectUser;
//-----------------------------------------------------------------------------
class ADD_USER_NONIFIER: public NOTIFIER_BASE<USER_PTR> {
public:
ADD_USER_NONIFIER(REMOTE_SCRIPT & r)
: NOTIFIER_BASE<USER_PTR>(), rs(r) {}
virtual ~ADD_USER_NONIFIER() {}
void Notify(const USER_PTR & user);
private:
ADD_USER_NONIFIER(const ADD_USER_NONIFIER & rhs);
ADD_USER_NONIFIER & operator=(const ADD_USER_NONIFIER);
REMOTE_SCRIPT & rs;
};
//-----------------------------------------------------------------------------
class DEL_USER_NONIFIER: public NOTIFIER_BASE<USER_PTR> {
public:
DEL_USER_NONIFIER(REMOTE_SCRIPT & r)
: NOTIFIER_BASE<USER_PTR>(), rs(r) {}
virtual ~DEL_USER_NONIFIER() {}
void Notify(const USER_PTR & user);
private:
DEL_USER_NONIFIER(const DEL_USER_NONIFIER & rhs);
DEL_USER_NONIFIER & operator=(const DEL_USER_NONIFIER);
REMOTE_SCRIPT & rs;
};
//-----------------------------------------------------------------------------
class IP_NOTIFIER: public PROPERTY_NOTIFIER_BASE<uint32_t> {
public:
IP_NOTIFIER(REMOTE_SCRIPT & r, USER_PTR u)
: PROPERTY_NOTIFIER_BASE<uint32_t>(), user(u), rs(r) { user->AddCurrIPAfterNotifier(this); }
IP_NOTIFIER(const IP_NOTIFIER & rhs)
: PROPERTY_NOTIFIER_BASE<uint32_t>(), user(rhs.user), rs(rhs.rs) { user->AddCurrIPAfterNotifier(this); }
~IP_NOTIFIER() { user->DelCurrIPAfterNotifier(this); }
IP_NOTIFIER & operator=(const IP_NOTIFIER & rhs)
{
user->DelCurrIPAfterNotifier(this);
user = rhs.user;
user->AddCurrIPAfterNotifier(this);
return *this;
}
void Notify(const uint32_t & oldValue, const uint32_t & newValue);
USER_PTR GetUser() const { return user; }
private:
USER_PTR user;
REMOTE_SCRIPT & rs;
};
//-----------------------------------------------------------------------------
class CONNECTED_NOTIFIER: public PROPERTY_NOTIFIER_BASE<bool> {
public:
CONNECTED_NOTIFIER(REMOTE_SCRIPT & r, USER_PTR u)
: PROPERTY_NOTIFIER_BASE<bool>(), user(u), rs(r) { user->AddConnectedAfterNotifier(this); }
CONNECTED_NOTIFIER(const CONNECTED_NOTIFIER & rhs)
: PROPERTY_NOTIFIER_BASE<bool>(), user(rhs.user), rs(rhs.rs) { user->AddConnectedAfterNotifier(this); }
~CONNECTED_NOTIFIER() { user->DelConnectedAfterNotifier(this); }
CONNECTED_NOTIFIER & operator=(const CONNECTED_NOTIFIER & rhs)
{
user->DelConnectedAfterNotifier(this);
user = rhs.user;
user->AddConnectedAfterNotifier(this);
return *this;
}
void Notify(const bool & oldValue, const bool & newValue);
USER_PTR GetUser() const { return user; }
private:
USER_PTR user;
REMOTE_SCRIPT & rs;
};
//-----------------------------------------------------------------------------
struct USER {
USER(const std::vector<uint32_t> & r, USER_PTR it)
: user(it),
routers(r),
shortPacketsCount(0),
ip(user->GetCurrIP())
{}
time_t lastSentTime;
USER_PTR user;
std::vector<uint32_t> routers;
int shortPacketsCount;
uint32_t ip;
};
//-----------------------------------------------------------------------------
class SETTINGS {
public:
SETTINGS();
virtual ~SETTINGS() {}
const std::string & GetStrError() const { return errorStr; }
int ParseSettings(const MODULE_SETTINGS & s);
int GetSendPeriod() const { return sendPeriod; }
uint16_t GetPort() const { return port; }
const std::vector<NET_ROUTER> & GetSubnetsMap() const { return netRouters; }
const std::vector<std::string> & GetUserParams() const { return userParams; }
const std::string & GetPassword() const { return password; }
const std::string & GetMapFileName() const { return subnetFile; }
private:
int sendPeriod;
uint16_t port;
std::string errorStr;
std::vector<NET_ROUTER> netRouters;
std::vector<std::string> userParams;
std::string password;
std::string subnetFile;
};
//-----------------------------------------------------------------------------
class REMOTE_SCRIPT : public PLUGIN {
public:
REMOTE_SCRIPT();
virtual ~REMOTE_SCRIPT();
void SetUsers(USERS * u) { users = u; }
void SetSettings(const MODULE_SETTINGS & s) { settings = s; }
int ParseSettings();
int Start();
int Stop();
int Reload(const MODULE_SETTINGS & ms);
bool IsRunning() { return isRunning; }
const std::string & GetStrError() const { return errorStr; }
std::string GetVersion() const { return "Remote script v 0.3"; }
uint16_t GetStartPosition() const { return 10; }
uint16_t GetStopPosition() const { return 10; }
void DelUser(USER_PTR u) { UnSetUserNotifiers(u); }
void AddUser(USER_PTR u) { SetUserNotifiers(u); }
void AddRSU(USER_PTR user);
void DelRSU(USER_PTR user);
private:
REMOTE_SCRIPT(const REMOTE_SCRIPT & rhs);
REMOTE_SCRIPT & operator=(const REMOTE_SCRIPT & rhs);
static void * Run(void *);
bool PrepareNet();
bool FinalizeNet();
bool Send(USER & rsu, bool forceDisconnect = false) const;
bool SendDirect(USER & rsu, uint32_t routerIP, bool forceDisconnect = false) const;
bool PreparePacket(char * buf, size_t bufSize, USER &rsu, bool forceDisconnect = false) const;
void PeriodicSend();
std::vector<uint32_t> IP2Routers(uint32_t ip);
bool GetUsers();
void SetUserNotifiers(USER_PTR u);
void UnSetUserNotifiers(USER_PTR u);
void InitEncrypt(BLOWFISH_CTX * ctx, const std::string & password) const;
void Encrypt(BLOWFISH_CTX * ctx, void * dst, const void * src, size_t len8) const;
mutable BLOWFISH_CTX ctx;
std::list<IP_NOTIFIER> ipNotifierList;
std::list<CONNECTED_NOTIFIER> connNotifierList;
std::map<uint32_t, USER> authorizedUsers;
mutable std::string errorStr;
SETTINGS rsSettings;
MODULE_SETTINGS settings;
int sendPeriod;
int halfPeriod;
bool nonstop;
bool isRunning;
USERS * users;
std::vector<NET_ROUTER> netRouters;
pthread_t thread;
pthread_mutex_t mutex;
int sock;
ADD_USER_NONIFIER onAddUserNotifier;
DEL_USER_NONIFIER onDelUserNotifier;
PLUGIN_LOGGER logger;
friend class RS::UpdateRouter;
friend class RS::DisconnectUser;
friend class RS::CONNECTED_NOTIFIER;
};
//-----------------------------------------------------------------------------
class DisconnectUser : public std::unary_function<std::pair<const uint32_t, USER> &, void> {
public:
DisconnectUser(REMOTE_SCRIPT & rs) : rscript(rs) {}
void operator()(std::pair<const uint32_t, USER> & p)
{
rscript.Send(p.second, true);
}
private:
REMOTE_SCRIPT & rscript;
};
//-----------------------------------------------------------------------------
inline void ADD_USER_NONIFIER::Notify(const USER_PTR & user)
{
rs.AddUser(user);
}
//-----------------------------------------------------------------------------
inline void DEL_USER_NONIFIER::Notify(const USER_PTR & user)
{
rs.DelUser(user);
}
//-----------------------------------------------------------------------------
} // namespace RS
#endif