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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.
*/
#if !defined(AFX_ConnectionManager_H__675A2F66_AFE6_4A15_8386_6B6FD579D5FF__INCLUDED_)
#define AFX_ConnectionManager_H__675A2F66_AFE6_4A15_8386_6B6FD579D5FF__INCLUDED_
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include "TimerManager.h"
#include "ServerSocket.h"
#include "UserConnection.h"
#include "User.h"
#include "CriticalSection.h"
#include "Singleton.h"
#include "Util.h"
#include "ConnectionManagerListener.h"
class ConnectionQueueItem {
public:
typedef ConnectionQueueItem* Ptr;
typedef vector<Ptr> List;
typedef List::iterator Iter;
enum State {
CONNECTING, // Recently sent request to connect
WAITING, // Waiting to send request to connect
NO_DOWNLOAD_SLOTS, // Bot needed right now
IDLE, // In the download pool
ACTIVE // In one up/downmanager
};
ConnectionQueueItem(const User::Ptr& aUser, bool aDownload) : state(WAITING), connection(NULL), lastAttempt(0), download(aDownload), user(aUser) { };
User::Ptr& getUser() { return user; };
GETSET(State, state, State);
GETSET(UserConnection*, connection, Connection);
GETSET(u_int32_t, lastAttempt, LastAttempt);
GETSET(bool, download, Download);
private:
ConnectionQueueItem(const ConnectionQueueItem&);
ConnectionQueueItem& operator=(const ConnectionQueueItem&);
User::Ptr user;
};
// Comparing with a user...
inline bool operator==(ConnectionQueueItem::Ptr ptr, const User::Ptr& aUser) { return ptr->getUser() == aUser; }
class ConnectionManager : public Speaker<ConnectionManagerListener>,
public UserConnectionListener, ServerSocketListener, TimerManagerListener,
public Singleton<ConnectionManager>
{
public:
void nmdcConnect(const string& aServer, short aPort, const string& aNick);
void adcConnect(const string& aServer, short aPort, const string& aToken);
void getDownloadConnection(const User::Ptr& aUser);
void putDownloadConnection(UserConnection* aSource, bool reuse = false, bool ntd = false);
void putUploadConnection(UserConnection* aSource, bool ntd);
void removeConnection(const User::Ptr& aUser, int isDownload);
void shutdown();
/**
* Set this ConnectionManager to listen at a different port.
*/
void setPort(short aPort) throw(SocketException) {
port = aPort;
socket.waitForConnections(aPort);
}
void disconnect() throw() {
socket.disconnect();
}
unsigned short getPort() {
return port;
}
// Ugly trick to use windows messages...
ServerSocket& getServerSocket() {
return socket;
}
private:
CriticalSection cs;
short port;
/** All ConnectionQueueItems */
ConnectionQueueItem::List downloads;
ConnectionQueueItem::List uploads;
User::List pendingAdd;
UserConnection::List pendingDelete;
/** All active connections */
UserConnection::List userConnections;
ServerSocket socket;
StringList features;
StringList adcFeatures;
u_int32_t floodCounter;
bool shuttingDown;
friend class Singleton<ConnectionManager>;
ConnectionManager();
virtual ~ConnectionManager() throw() { shutdown(); };
UserConnection* getConnection(bool aNmdc) throw(SocketException);
void putConnection(UserConnection* aConn);
void addUploadConnection(UserConnection* uc);
void addDownloadConnection(UserConnection* uc, bool sendNTD);
ConnectionQueueItem* getCQI(const User::Ptr& aUser, bool download);
void putCQI(ConnectionQueueItem* cqi);
// ServerSocketListener
virtual void on(ServerSocketListener::IncomingConnection) throw();
// UserConnectionListener
virtual void on(Connected, UserConnection*) throw();
virtual void on(Failed, UserConnection*, const string&) throw();
virtual void on(CLock, UserConnection*, const string&, const string&) throw();
virtual void on(Key, UserConnection*, const string&) throw();
virtual void on(Direction, UserConnection*, const string&, const string&) throw();
virtual void on(MyNick, UserConnection*, const string&) throw();
virtual void on(Supports, UserConnection*, const StringList&) throw();
virtual void on(AdcCommand::SUP, UserConnection*, const AdcCommand&) throw();
virtual void on(AdcCommand::INF, UserConnection*, const AdcCommand&) throw();
virtual void on(AdcCommand::NTD, UserConnection*, const AdcCommand&) throw();
virtual void on(AdcCommand::STA, UserConnection*, const AdcCommand&) throw();
// TimerManagerListener
virtual void on(TimerManagerListener::Second, u_int32_t aTick) throw();
virtual void on(TimerManagerListener::Minute, u_int32_t aTick) throw();
};
#endif // !defined(AFX_ConnectionManager_H__675A2F66_AFE6_4A15_8386_6B6FD579D5FF__INCLUDED_)
/**
* @file
* $Id: ConnectionManager.h,v 1.2 2005/08/21 14:03:43 olof Exp $
*/
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