bulkDataDistributer.h

Go to the documentation of this file.

#ifndef _BULKDATA_DISTRIBUTER_H
#define _BULKDATA_DISTRIBUTER_H
/*******************************************************************************
 *    ALMA - Atacama Large Millimiter Array
 *    (c) European Southern Observatory, 2002
 *    Copyright by ESO (in the framework of the ALMA collaboration)
 *    and Cosylab 2002, All rights reserved
 *
 *    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
 *
 *
 * "@(#)"
 *
 * who       when      what
 * --------  --------  ----------------------------------------------
 * oat       02/03/05  created 
 */


#include "bulkDataSender.h"
#include "bulkDataReceiver.h"

#include <Pair_T.h>

#include <acsQoS.h>

namespace AcsBulkdata
{  


template <class T>
class ACS_Read_Guard
{
public:
        ACS_Read_Guard(T &l, int &ret) :
                lock_(&l)
        {
                ret_ = this->lock_->tryacquire_read();
                ret = ret_;
        }

        ~ACS_Read_Guard()
        {
                release();
        }

        void release()
        {
                if (ret_==0) this->lock_->release();
        }
protected:
        int ret_;
        T *lock_;
};//ACS_Read_Guard


template <class T>
class ACS_Write_Guard
{
public:
        ACS_Write_Guard(T &l, int &ret) :
                lock_(&l)
        {
                ret = 0;
                ownership_ = false;
                ret_ = this->lock_->acquire_write();
                ret = ret_;
        }

        ACS_Write_Guard(T *l, int &ret) :
                        lock_(l)
                {
                        ownership_ = true;
                        ret_ = this->lock_->acquire_write();
                        ret = ret_;
                }
// ownership means that is deleted at the nd
        void take_ownership()
        {
                ownership_ = true;
        }

        ~ACS_Write_Guard()
        {
                release();
                if (ownership_)
                {
                        delete lock_;
                }
        }

        void release()
        {

                if (ret_==0)
                {
                        this->lock_->release();
                }
        }
protected:
        bool ownership_;
        int ret_;
        T *lock_;
};//ACS_Write_Guard


typedef struct RecvDataStruct
                        {
                        bulkdata::BulkDataReceiver_ptr receiver;
                        ACE_RW_Thread_Mutex *mutex;
                        } RecvData;


    //forward declaration
    template<class TReceiverCallback, class TSenderCallback>
    class BulkDataDistributerNotifCb;
    
    template<class TReceiverCallback, class TSenderCallback>
    class BulkDataDistributer
    { 

        enum Flow_Status
        {
            FLOW_AVAILABLE,
            FLOW_NOT_AVAILABLE
        };

    typedef ACE_Pair< RecvData /*bulkdata::BulkDataReceiver_ptr*/, AcsBulkdata::BulkDataSender<TSenderCallback> *> Sender_Map_Pair;

//      typedef ACE_Pair< bulkdata::BulkDataReceiver_ptr, BulkDataSender<TSenderCallback> *> Sender_Map_Pair;

        /*typedef ACE_Hash_Map_Manager <ACE_CString, BulkDataSender<TSenderCallback> *,ACE_Null_Mutex>  Sender_Map;
          typedef ACE_Hash_Map_Entry <ACE_CString, BulkDataSender<TSenderCallback> * > Sender_Map_Entry;
          typedef ACE_Hash_Map_Iterator <ACE_CString, BulkDataSender<TSenderCallback> * ,ACE_Null_Mutex>  Sender_Map_Iterator;*/

        typedef ACE_Hash_Map_Manager <ACE_CString, Sender_Map_Pair, ACE_Null_Mutex>  Sender_Map;
        typedef ACE_Hash_Map_Entry <ACE_CString, Sender_Map_Pair > Sender_Map_Entry;
        typedef ACE_Hash_Map_Iterator <ACE_CString, Sender_Map_Pair ,ACE_Null_Mutex>  Sender_Map_Iterator;

        typedef ACE_Hash_Map_Manager <CORBA::ULong, Flow_Status, ACE_Null_Mutex> Flows_Status_Map;
        typedef ACE_Hash_Map_Entry <CORBA::ULong, Flow_Status> Flows_Status_Map_Entry;
        typedef ACE_Hash_Map_Iterator <CORBA::ULong, Flow_Status, ACE_Null_Mutex> Flows_Status_Map_Iterator;

        typedef ACE_Hash_Map_Manager <ACE_CString, CORBA::ULong, ACE_Null_Mutex> Recv_Status_Map;
        typedef ACE_Hash_Map_Entry <ACE_CString, CORBA::ULong> Recv_Status_Map_Entry;
        typedef ACE_Hash_Map_Iterator <ACE_CString, CORBA::ULong, ACE_Null_Mutex> Recv_Status_Map_Iterator;



      public:
      
        BulkDataDistributer();
      
        virtual ~BulkDataDistributer();

        virtual void multiConnect(bulkdata::BulkDataReceiverConfig *recvConfig_p, const char *fepsConfig, const ACE_CString& receiverName);
        
        virtual void multiDisconnect(const ACE_CString& receiverName);

        virtual BulkDataReceiver<TReceiverCallback> *getReceiver() 
            {
                return &receiver_m;
            }

        virtual Sender_Map *getSenderMap() 
            {
                return &senderMap_m;
            }

        virtual bool isRecvConnected (const ACE_CString& receiverName);

        virtual bool isSenderConnected (const ACE_CString& receiverName);

        virtual bool isReceiverConnected (const ACE_CString& receiverName);

        virtual void distSendStart (ACE_CString& flowName, CORBA::ULong flowNumber);

        virtual int distSendDataHsk (ACE_CString& flowName, ACE_Message_Block * frame_p, CORBA::ULong flowNumber);

        virtual int distSendData (ACE_CString& flowName, ACE_Message_Block * frame_p, CORBA::ULong flowNumber);

        virtual CORBA::Boolean distSendStopTimeout (ACE_CString& flowName, CORBA::ULong flowNumber);

        virtual void distSendStop (ACE_CString& flowName, CORBA::ULong flowNumber);

        void setTimeout (CORBA::ULong user_timeout) 
            { timeout_m = user_timeout; }

        void setContSvc (maci::ContainerServices * services_p)
            {  contSvc_p = services_p; }  

        void subscribeNotification(ACS::CBvoid_ptr notifCb);

        void notifySender(const ACSErr::Completion& comp);

        bulkdata::Connection getSenderConnectionState()
            {
                return getReceiver()->getSenderConnectionState();
            }

      private:

        CORBA::Boolean getFlowReceiverStatus(const ACE_CString& receiverName, CORBA::ULong flowNumber);

        CORBA::Boolean isFlowReceiverAvailable(const ACE_CString& receiverName, CORBA::ULong flowNumber);

        BulkDataSender<TSenderCallback> *sender_p;
        
        BulkDataReceiver<TReceiverCallback> receiver_m;

        Sender_Map senderMap_m;

        Recv_Status_Map recvStatusMap_m;
        Flows_Status_Map flowsStatusMap_m;

        CORBA::ULong timeout_m;
        CORBA::ULong numberOfFlows;
        CORBA::ULong offset;

        maci::ContainerServices *contSvc_p;

        BulkDataDistributerNotifCb<TReceiverCallback, TSenderCallback> *distributerNotifCb_p;

        ACS::CBvoid_ptr locNotifCb_p;
    };



    template<class TReceiverCallback, class TSenderCallback = BulkDataSenderDefaultCallback>
    class BulkDataDistributerNotifCb: public virtual POA_ACS::CBvoid
    {

      public:

        BulkDataDistributerNotifCb(BulkDataDistributer<TReceiverCallback, TSenderCallback> *distr)
            {
                ACS_TRACE("BulkDataDistributerNotifCb<>::BulkDataDistributerNotifCb");

                distr_p = distr;
            }

        ~BulkDataDistributerNotifCb()
            {
                ACS_TRACE("BulkDataDistributerNotifCb<>::~BulkDataDistributerNotifCb");
            }

        void working(const Completion &comp, const ACS::CBDescOut &desc) 
            {
            }
        
        void done(const Completion &comp, const ACS::CBDescOut &desc) 
            {
                try
                    {
                    distr_p->notifySender(comp);
                    }
                catch(ACSErr::ACSbaseExImpl &ex)
                    {
                    ACS_SHORT_LOG((LM_ERROR,"BulkDataDistributerNotifCb::done error"));
                    ex.log();
                    }
                catch(...)
                    {
                    ACS_SHORT_LOG((LM_ERROR,"BulkDataDistributerNotifCb::done unknown error"));     
                    }
            }

        CORBA::Boolean negotiate (ACS::TimeInterval timeToTransmit, const ACS::CBDescOut &desc) 
            {
                return true;
            }

      private:

        BulkDataDistributer<TReceiverCallback, TSenderCallback> *distr_p;
    };   


}


#include "bulkDataDistributer.i"

#endif /* _BULKDATA_DISTRIBUTER_H */