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Client.h

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/* 
 * Copyright (C) 2001-2005 Jacek Sieka, arnetheduck on gmail point com
 *
 * 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.
 */

#ifndef _CLIENT_H
#define _CLIENT_H

#if _MSC_VER > 1000
#pragma once
#endif

#include "User.h"
#include "BufferedSocket.h"
#include "SettingsManager.h"

class Client;
class AdcCommand;

class ClientListener  
{
public:
      template<int I>   struct X { enum { TYPE = I };  };

      typedef X<0> Connecting;
      typedef X<1> Connected;
      typedef X<2> BadPassword;
      typedef X<3> UserUpdated;
      typedef X<4> UsersUpdated;
      typedef X<5> UserRemoved;
      typedef X<6> Redirect;
      typedef X<7> Failed;
      typedef X<8> GetPassword;
      typedef X<9> HubUpdated;
      typedef X<11> Message;
      typedef X<12> PrivateMessage;
      typedef X<13> UserCommand;
      typedef X<14> HubFull;
      typedef X<15> NickTaken;
      typedef X<16> SearchFlood;
      typedef X<17> NmdcSearch;
      typedef X<18> AdcSearch;

      virtual void on(Connecting, Client*) throw() { }
      virtual void on(Connected, Client*) throw() { }
      virtual void on(BadPassword, Client*) throw() { }
      virtual void on(UserUpdated, Client*, const User::Ptr&) throw() { }
      virtual void on(UsersUpdated, Client*, const User::List&) throw() { }
      virtual void on(UserRemoved, Client*, const User::Ptr&) throw() { }
      virtual void on(Redirect, Client*, const string&) throw() { }
      virtual void on(Failed, Client*, const string&) throw() { }
      virtual void on(GetPassword, Client*) throw() { }
      virtual void on(HubUpdated, Client*) throw() { }
      virtual void on(Message, Client*, const string&) throw() { }
      virtual void on(PrivateMessage, Client*, const User::Ptr&, const string&) throw() { }
      virtual void on(UserCommand, Client*, int, int, const string&, const string&) throw() { }
      virtual void on(HubFull, Client*) throw() { }
      virtual void on(NickTaken, Client*) throw() { }
      virtual void on(SearchFlood, Client*, const string&) throw() { }
      virtual void on(NmdcSearch, Client*, const string&, int, int64_t, int, const string&) throw() { }
      virtual void on(AdcSearch, Client*, const AdcCommand&) throw() { }
};

/** Yes, this should probably be called a Hub */
00078 class Client : public Speaker<ClientListener>, public BufferedSocketListener {
public:
      typedef Client* Ptr;
      typedef list<Ptr> List;
      typedef List::iterator Iter;

      Client(const string& hubURL, char separator);
      virtual ~Client() throw();

      virtual void connect(const User* user) = 0;
      virtual void hubMessage(const string& aMessage) = 0;
      virtual void privateMessage(const User* user, const string& aMessage) = 0;
      virtual void send(const string& aMessage) = 0;
      virtual void sendUserCmd(const string& aUserCmd) = 0;
      virtual void search(int aSizeMode, int64_t aSize, int aFileType, const string& aString, const string& aToken) = 0;
      virtual void password(const string& pwd) = 0;
      virtual void info(bool alwaysSend) = 0;
    
      virtual size_t getUserCount() const = 0;
      virtual int64_t getAvailable() const = 0;
      virtual const string& getName() const = 0;
      virtual bool getOp() const = 0;

      virtual User::NickMap& lockUserList() = 0;
      virtual void unlockUserList() = 0;

      const string& getAddress() const { return address; }
      const string& getAddressPort() const { return addressPort; }
      short getPort() const { return port; }

      const string& getIp() const { return socket->getIp().empty() ? getAddress() : socket->getIp(); };
      string getIpPort() const { return port == 411 ? getIp() : getIp() + ':' + Util::toString(port); };
      string getLocalIp() const;

      virtual void connect();
      bool isConnected() const { return socket->isConnected(); }
      void disconnect() { socket->disconnect(); }

      void updated(User::Ptr& aUser) { 
            fire(ClientListener::UserUpdated(), this, aUser);
      }

      static string getCounts() {
            char buf[128];
            return string(buf, sprintf(buf, "%ld/%ld/%ld", counts.normal, counts.registered, counts.op));
      }

      const User::Ptr& getMe() const { return me; };
      User::Ptr& getMe() { return me; }
      void setMe(const User::Ptr& aMe) { me = aMe; }

      const string& getDescription() const { return description.empty() ? SETTING(DESCRIPTION) : description; };
      void setDescription(const string& aDesc) { description = aDesc; };

      void scheduleDestruction() const { socket->shutdown(); }

      virtual string escape(string const& str) const { return str; };
      StringMap& escapeParams(StringMap& sm) {
            for(StringMapIter i = sm.begin(); i != sm.end(); ++i) {
                  i->second = escape(i->second);
            }
            return sm;
      }

protected:
      struct Counts {
            Counts(long n = 0, long r = 0, long o = 0) : normal(n), registered(r), op(o) { };
            volatile long normal;
            volatile long registered;
            volatile long op;
            bool operator !=(const Counts& rhs) { return normal != rhs.normal || registered != rhs.registered || op != rhs.op; };
      };

      BufferedSocket* socket;

      User::Ptr me;
      static Counts counts;
      Counts lastCounts;

      void updateCounts(bool aRemove);

      void setPort(short aPort) { port = aPort; }

      // reload nick from settings, other details from hubmanager
      void reloadSettings();

      virtual string checkNick(const string& nick) = 0;
      virtual string getHubURL() = 0;

      GETSET(string, nick, Nick);
      GETSET(string, defpassword, Password);
      GETSET(u_int32_t, reconnDelay, ReconnDelay);
      GETSET(bool, registered, Registered);
private:

      enum CountType {
            COUNT_UNCOUNTED,
            COUNT_NORMAL,
            COUNT_REGISTERED,
            COUNT_OP
      };

      Client(const Client&);
      Client& operator=(const Client&);

      string description;

      string address;
      string addressPort;
      u_int16_t port;

      CountType countType;

      // BufferedSocketListener
      virtual void on(BufferedSocketListener::Shutdown) throw() {
            removeListeners();
            delete this;
      }
};

#endif // _CLIENT_H
/**
 * @file
 * $Id: Client.h,v 1.2 2005/08/21 14:03:43 olof Exp $
 */

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