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/*
* Copyright (C) 2001-2009 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 DCPLUSPLUS_DCPP_UPLOAD_MANAGER_H
#define DCPLUSPLUS_DCPP_UPLOAD_MANAGER_H
#include "forward.h"
#include "UserConnectionListener.h"
#include "Singleton.h"
#include "UploadManagerListener.h"
#include "ClientManagerListener.h"
#include "MerkleTree.h"
#include "User.h"
#include "Util.h"
#include "TimerManager.h"
#include "Speaker.h"
namespace dcpp {
class UploadManager : private ClientManagerListener, private UserConnectionListener, public Speaker<UploadManagerListener>, private TimerManagerListener, public Singleton<UploadManager>
{
public:
/** @return Number of uploads. */
size_t getUploadCount() { Lock l(cs); return uploads.size(); }
/**
* @remarks This is only used in the tray icons. Could be used in
* MainFrame too.
*
* @return Running average download speed in Bytes/s
*/
int64_t getRunningAverage();
/** @return Number of free slots. */
int getFreeSlots() { return max((SETTING(SLOTS) - running), 0); }
/** @internal */
int getFreeExtraSlots() { return max(3 - getExtra(), 0); }
/** @param aUser Reserve an upload slot for this user and connect. */
void reserveSlot(const UserPtr& aUser, const string& hubHint);
typedef set<string> FileSet;
typedef unordered_map<UserPtr, FileSet, User::Hash> FilesMap;
void clearUserFiles(const UserPtr&);
UserList getWaitingUsers();
const FileSet& getWaitingUserFiles(const UserPtr&);
/** @internal */
void addConnection(UserConnectionPtr conn);
GETSET(int, running, Running);
GETSET(int, extra, Extra);
GETSET(uint64_t, lastGrant, LastGrant);
private:
UploadList uploads;
CriticalSection cs;
typedef unordered_set<UserPtr, User::Hash> SlotSet;
typedef SlotSet::iterator SlotIter;
SlotSet reservedSlots;
typedef pair<UserPtr, uint64_t> WaitingUser;
typedef list<WaitingUser> WaitingUserList;
struct WaitingUserFresh {
bool operator()(const WaitingUser& wu) { return wu.second > GET_TICK() - 5*60*1000; }
};
//functions for manipulating waitingFiles and waitingUsers
WaitingUserList waitingUsers; //this one merely lists the users waiting for slots
FilesMap waitingFiles; //set of files which this user has asked for
void addFailedUpload(const UserConnection& source, string filename);
friend class Singleton<UploadManager>;
UploadManager() throw();
virtual ~UploadManager() throw();
bool getAutoSlot();
void removeConnection(UserConnection* aConn);
void removeUpload(Upload* aUpload);
// ClientManagerListener
virtual void on(ClientManagerListener::UserDisconnected, const UserPtr& aUser) throw();
// TimerManagerListener
virtual void on(Second, uint32_t aTick) throw();
virtual void on(Minute, uint32_t aTick) throw();
// UserConnectionListener
virtual void on(BytesSent, UserConnection*, size_t, size_t) throw();
virtual void on(Failed, UserConnection*, const string&) throw();
virtual void on(Get, UserConnection*, const string&, int64_t) throw();
virtual void on(Send, UserConnection*) throw();
virtual void on(GetListLength, UserConnection* conn) throw();
virtual void on(TransmitDone, UserConnection*) throw();
virtual void on(AdcCommand::GET, UserConnection*, const AdcCommand&) throw();
virtual void on(AdcCommand::GFI, UserConnection*, const AdcCommand&) throw();
bool prepareFile(UserConnection& aSource, const string& aType, const string& aFile, int64_t aResume, int64_t aBytes, bool listRecursive = false);
};
} // namespace dcpp
#endif // !defined(UPLOAD_MANAGER_H)
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