bluetoothcommunicator.h

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/*
 * bluetoothcommunicator.h,v 1.22 2004/01/06 17:05:40 mattid Exp
 *
 * COBAIN - Communications API for EPOC Environments
 * Copyright (C) 2002-2003 Matti Dahlbom, Matti Kokkola
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Contact: Matti Dahlbom <matti@777-team.org>
 *          Matti Kokkola <matti.kokkola@iki.fi>
 */

#ifndef __BLUETOOTHCOMMUNICATOR_H
#define __BLUETOOTHCOMMUNICATOR_H

#include <e32base.h>
#include <e32svr.h>
#include <btsdp.h>
#include <es_sock.h>

#include "clientservercommon.h"

// panic category and error codes
_LIT(KBTCommPanic, "CBTCommunicator");

const TInt KErrBTCommAlreadyListening = -9990;
const TInt KerrBTCommFailedToCreateListeningSocket = -9991;

// size of the listen queue
const TInt KListeningQueueSize = 8;

class CServerSession;
class CBTDiscoverer;
class CConcreteConnection;

class CBTCommunicator : public CBase
{
    public:
        static CBTCommunicator * NewL(CServerSession *aSession);
        ~CBTCommunicator();

        RSocket* ConnectL(TPeerData *aPeerData);

        void DiscoverPeersL(const RMessage &aMessage,
                            CServerSession &aSession);

        CConcreteConnection* StartListeningL(const TInt aServiceClassID,
                                             const TInt aApplicationID,
                                             const TDesC8 &aServiceName,
                                             const TDesC8 &aServiceDesc,
                                             TInt aListeningSocketType);
        void StopListeningL();

        static TInt ResolveMTU(RSocket& socket);

    private:
        CBTCommunicator(CServerSession *aSession);
        void ConstructL();
        void StartAdvertisingL(TInt aPort,
                               const TInt aServiceClassID,
                               const TInt aApplicationID,
                               const TDesC8 &aServiceName,
                               const TDesC8 &aServiceDesc);
        TInt OpenListeningSocketL();
        void SetChannelSecurityL(TInt aChannel);
        void SetAvailabilityL(TBool aIsAvailable);

        // server session
        CServerSession *iServerSession;

        // remote device/service discoverer
        CBTDiscoverer *iDiscoverer;

        // whether listening for connections
        TBool iIsListening;

        // type of listening socket (either KRFCOMM or KL2CAP)
        TInt iListeningSocketType;

        // Socket stuff for incoming connections
        RSocketServ iSocketServ;
        RSocket iListeningSocket;
        CConcreteConnection *iListeningConnection;    

        // SDP stuff
        CSdpAgent *iAgent;
        RSdp iSdpSession;
        RSdpDatabase iSdpDB;

        // The service record of the advertised service
        TSdpServRecordHandle iRecord;

        // record version
        TInt iRecordVersion;
};

#endif

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