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/*
* Copyright (C) 2001-2006 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(UPLOAD_MANAGER_H)
#define UPLOAD_MANAGER_H
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include "UserConnection.h"
#include "Singleton.h"
#include "ClientManagerListener.h"
#include <deque>
#include "File.h"
#include "MerkleTree.h"
class Upload : public Transfer, public Flags {
public:
enum Flags {
FLAG_USER_LIST = 0x01,
FLAG_TTH_LEAVES = 0x02,
FLAG_ZUPLOAD = 0x04,
FLAG_PARTIAL_LIST = 0x08
};
typedef Upload* Ptr;
typedef vector<Ptr> List;
typedef List::iterator Iter;
Upload() : tth(NULL), file(NULL) { }
virtual ~Upload() {
delete file;
delete tth;
}
User::Ptr& getUser() { dcassert(getUserConnection() != NULL); return getUserConnection()->getUser(); }
GETSET(string, fileName, FileName);
GETSET(string, localFileName, LocalFileName);
GETSET(TTHValue*, tth, TTH);
GETSET(InputStream*, file, File);
};
class UploadManagerListener {
public:
virtual ~UploadManagerListener() { }
template<int I> struct X { enum { TYPE = I }; };
typedef X<0> Complete;
typedef X<1> Failed;
typedef X<2> Starting;
typedef X<3> Tick;
typedef X<4> WaitingAddFile;
typedef X<5> WaitingRemoveUser;
virtual void on(Starting, Upload*) throw() { }
virtual void on(Tick, const Upload::List&) throw() { }
virtual void on(Complete, Upload*) throw() { }
virtual void on(Failed, Upload*, const string&) throw() { }
virtual void on(WaitingAddFile, const User::Ptr, const string&) throw() { }
virtual void on(WaitingRemoveUser, const User::Ptr) throw() { }
};
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 Average download speed in Bytes/s
*/
int getAverageSpeed() {
Lock l(cs);
int avg = 0;
for(Upload::Iter i = uploads.begin(); i != uploads.end(); ++i) {
Upload* u = *i;
avg += (int)u->getRunningAverage();
}
return avg;
}
/** @return Number of free slots. */
int getFreeSlots() { return max((SETTING(SLOTS) - running), 0); }
/** @internal */
bool getAutoSlot() {
/** A 0 in settings means disable */
if(SETTING(MIN_UPLOAD_SPEED) == 0)
return false;
/** Only grant one slot per 30 sec */
if(GET_TICK() < getLastGrant() + 30*1000)
return false;
/** Grant if upload speed is less than the threshold speed */
return getAverageSpeed() < (SETTING(MIN_UPLOAD_SPEED)*1024);
}
/** @internal */
int getFreeExtraSlots() { return max(3 - getExtra(), 0); }
/** @param aUser Reserve an upload slot for this user and connect. */
void reserveSlot(const User::Ptr& aUser);
typedef set<string> FileSet;
typedef hash_map<User::Ptr, FileSet, User::HashFunction> FilesMap;
void clearUserFiles(const User::Ptr&);
vector<User::Ptr> getWaitingUsers();
const FileSet& getWaitingUserFiles(const User::Ptr &);
/** @internal */
void addConnection(UserConnection::Ptr conn) {
conn->addListener(this);
conn->setState(UserConnection::STATE_GET);
}
GETSET(int, running, Running);
GETSET(int, extra, Extra);
GETSET(u_int32_t, lastGrant, LastGrant);
private:
Upload::List uploads;
CriticalSection cs;
typedef HASH_SET<User::Ptr, User::HashFunction> SlotSet;
typedef SlotSet::iterator SlotIter;
SlotSet reservedSlots;
typedef pair<User::Ptr, u_int32_t> WaitingUser;
typedef deque<WaitingUser> UserDeque;
struct UserMatch {
UserMatch(const User::Ptr& u) : u(u) { }
User::Ptr u;
bool operator()(const WaitingUser& wu) { return wu.first == u; }
};
struct WaitingUserFresh {
bool operator()(const WaitingUser& wu) { return wu.second > GET_TICK() - 5*60*1000; }
};
//functions for manipulating waitingFiles and waitingUsers
UserDeque waitingUsers; //this one merely lists the users waiting for slots
FilesMap waitingFiles; //set of files which this user has asked for
void addFailedUpload(UserConnection::Ptr source, string filename);
friend class Singleton<UploadManager>;
UploadManager() throw();
virtual ~UploadManager() throw();
void removeConnection(UserConnection::Ptr aConn);
void removeUpload(Upload* aUpload);
// ClientManagerListener
virtual void on(ClientManagerListener::UserDisconnected, const User::Ptr& aUser) throw();
// TimerManagerListener
virtual void on(TimerManagerListener::Second, u_int32_t aTick) throw();
virtual void on(TimerManagerListener::Minute, u_int32_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(GetBlock, UserConnection* conn, const string& line, int64_t resume, int64_t bytes) throw() { onGetBlock(conn, line, resume, bytes, false); }
virtual void on(GetZBlock, UserConnection* conn, const string& line, int64_t resume, int64_t bytes) throw() { onGetBlock(conn, line, resume, bytes, true); }
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();
void onGetBlock(UserConnection* aSource, const string& aFile, int64_t aResume, int64_t aBytes, bool z);
bool prepareFile(UserConnection* aSource, const string& aType, const string& aFile, int64_t aResume, int64_t aBytes, bool listRecursive = false);
};
#endif // !defined(UPLOAD_MANAGER_H)
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