SlotAllocator.h

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00001 /*
00002 
00003 Copyright (C) 2006-2007 by Peter Dimov.
00004 
00005 This file is part of Calitko (http://www.calitko.org).
00006 
00007 Calitko is free software; you can redistribute it and/or modify
00008 it under the terms of the GNU General Public License as published by
00009 the Free Software Foundation; either version 2 of the License, or
00010 (at your option) any later version.
00011 
00012 Calitko is distributed in the hope that it will be useful,
00013 but WITHOUT ANY WARRANTY; without even the implied warranty of
00014 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015 GNU General Public License for more details.
00016 
00017 You should have received a copy of the GNU General Public License
00018 along with Calitko; if not, write to the Free Software
00019 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00020 
00021 */
00022 
00023 #ifndef GNUTELLA__HANDSHAKING__SLOT_ALLOCATOR_H
00024 #define GNUTELLA__HANDSHAKING__SLOT_ALLOCATOR_H
00025 
00026 #include "Imports.h"
00027 
00028 // Open containing namespaces:
00029 namespace Gnutella {
00030 namespace Handshaking {
00032 
00033 class HandshakeSession;
00034 class SlotAllocatorPrivate;
00035 
00037 
00040 class SlotAllocator : public QObject
00041 {
00042     Q_OBJECT
00043     REFERENCE_OBJECT (SlotAllocator)
00044 
00045 public:
00046             SlotAllocator (LocalPeer *);
00047             ~SlotAllocator();
00048 
00049     bool    isBootstrapping() const;
00050     bool    isWellConnected() const;
00051     bool    hasSlotFor (const NodeInfo &) const;
00052     bool    allocateSlot (HandshakeSession *);
00053     bool    allocateSlot (PacketSession *);
00054 
00055     uint    freeHandshakingSlots() const;
00056     uint    freeUltrapeerSlots() const;
00057     uint    freePeerSlots() const;
00058     uint    freeLeafSlots() const;
00059 
00060     /*
00061     uint    usedHandshakingSlots() const;
00062     uint    usedUltrapeerSlots() const;
00063     uint    usedPeerSlots() const;
00064     uint    usedLeafSlots() const;
00065     */
00066     uint    hasFreeUltrapeerSlots() const;
00067     uint    hasFreePeerSlots() const;
00068     uint    hasFreeLeafSlots() const;
00069 
00070 signals:
00071     void    handshakingSlotFreed();
00072     void    ultrapeerSlotFreed();
00073     void    peerSlotFreed();
00074     void    leafSlotFreed();
00075 
00076 private slots:
00077     void    freeSlot (QObject *);
00078 
00079 private:
00080     SlotAllocatorPrivate    *p;
00081 };
00082 
00083 inline uint SlotAllocator::hasFreeUltrapeerSlots() const
00084 { return freeUltrapeerSlots() > 0; }
00085 
00086 inline uint SlotAllocator::hasFreePeerSlots() const
00087 { return freePeerSlots() > 0; }
00088 
00089 inline uint SlotAllocator::hasFreeLeafSlots() const
00090 { return freeLeafSlots() > 0; }
00091 
00092 // Close containing namespaces:
00093 } // namespace Handshaking
00094 } // namespace Gnutella
00096 
00097 #endif // GNUTELLA__HANDSHAKING__SLOT_ALLOCATOR_H