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/*
 * Copyright (c) 2004-2010 Mellanox Technologies LTD. All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 */

/****h* IBMS/IB Management Simulator
* NAME
*	IB Management Simulator
*
* DESCRIPTION
*	The top level object of the management simulator
*
* AUTHOR
*	Eitan Zahavi, Mellanox
*
*********/
#ifndef IBMS_SIM_H
#define IBMS_SIM_H

#include <ibdm/Fabric.h>
#include "simmsg.h"
#include "server.h"
#include "dispatcher.h"


/****************************************************/
/****************** class IBMgtSim ******************/
/****************************************************/
class IBMgtSim {
private:
    /* Stores the entire topology */
    class IBFabric *pFabric;

    /* Server to handle client connections */
    class IBMSServer *pServer;

    /* Dispatcher for MAD messages */
    class IBMSDispatcher *pDispatcher;

    /* allocate guids to the nodes */
    int allocateFabricNodeGuids();

    /* initialize simulator nodes */
    int populateFabricNodes();

    /* the random generator seed */
    unsigned int randomSeed;

    /* lock - enables locking the simulator */
    pthread_mutex_t lock;

public:
    /* constructor */
    IBMgtSim() {
        pFabric = NULL;
        pServer = NULL;
        pDispatcher = NULL;
        randomSeed = 0;
        pthread_mutex_init( &lock, NULL );
    };

    /* access function */
    inline class IBFabric *getFabric() { return pFabric;};
    inline class IBMSServer *getServer() { return pServer; };
    inline class IBMSDispatcher *getDispatcher() { return pDispatcher; };

    /* Initialize the fabric server and dispatcher */
    int init(string topoFileName, int serverPortNum, int numWorkers);

    /* get the directory name where the simulator rendezvous exists */
    const char *getSimulatorDir();

    /* set the random number seed */
    int setRandomSeed( int seed );

    /* get a random floating point number 0.0 - 1.0 */
    float random();
};


#endif /* IBMS_SIM_H */