network.pc

无线网络仿真工具Glomosim2.03

/*
 * GloMoSim is COPYRIGHTED software.  Release 2.02 of GloMoSim is available 
 * at no cost to educational users only.
 *
 * Commercial use of this software requires a separate license.  No cost,
 * evaluation licenses are available for such purposes; please contact
 * [e-mail]
 *
 * By obtaining copies of this and any other files that comprise GloMoSim2.02,
 * you, the Licensee, agree to abide by the following conditions and
 * understandings with respect to the copyrighted software:
 *
 * 1.Permission to use, copy, and modify this software and its documentation
 *   for education and non-commercial research purposes only is hereby granted
 *   to Licensee, provided that the copyright notice, the original author's
 *   names and unit identification, and this permission notice appear on all
 *   such copies, and that no charge be made for such copies. Any entity
 *   desiring permission to use this software for any commercial or
 *   non-educational research purposes should contact: 
 *
 *   Professor Rajive Bagrodia 
 *   University of California, Los Angeles 
 *   Department of Computer Science 
 *   Box 951596 
 *   3532 Boelter Hall 
 *   Los Angeles, CA 90095-1596 
 *   [e-mail]
 *
 * 2.NO REPRESENTATIONS ARE MADE ABOUT THE SUITABILITY OF THE SOFTWARE FOR ANY
 *   PURPOSE. IT IS PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY.
 *
 * 3.Neither the software developers, the Parallel Computing Lab, UCLA, or any
 *   affiliate of the UC system shall be liable for any damages suffered by
 *   Licensee from the use of this software.
 */

// Use the latest version of Parsec if this line causes a compiler error.
/*
 * $Id: network.pc,v 1.10 2001/02/15 03:19:59 mineo Exp $
 */

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <math.h>

#include "main.h"
#include "message.h"
#include "api.h"

#include "fileio.h"
#include "network.h"
#include "nwip.h"


/*
 * FUNCTION    GLOMO_NetworkInit
 * PURPOSE     Initialization function for the network layer.
 *
 * Parameters:
 *     node:      node being initialized.
 *     nodeInput: structure containing contents of input file
 */

void GLOMO_NetworkPreInit(GlomoNode *node, const GlomoNodeInput *nodeInput)
{
    char buf[GLOMO_MAX_STRING_LENGTH];
    BOOL retVal;

    retVal = GLOMO_ReadString(node->nodeAddr, nodeInput, "NETWORK-PROTOCOL", buf);

    if (retVal == FALSE) {
        printf("CONFIG.IN Error: NETWORK-PROTOCOL not specified!\n");
        assert(FALSE); abort();
    }

    if (strcmp(buf, "IP") != 0) {
        fprintf(stderr, "CONFIG.IN Error: Unknown Network Protocol %s.\n", buf);
        assert(FALSE); abort();
    }
    
    NetworkIpPreInit(node);
}


/*
 * FUNCTION    GLOMO_NetworkInit
 * PURPOSE     Initialization function for the network layer.
 *
 * Parameters:
 *     node:      node being initialized.
 *     nodeInput: structure containing contents of input file
 */

void GLOMO_NetworkInit(GlomoNode *node, const GlomoNodeInput *nodeInput)
{
    char buf[GLOMO_MAX_STRING_LENGTH];
    BOOL retVal;

    retVal = GLOMO_ReadString(node->nodeAddr, nodeInput, "NETWORK-PROTOCOL", buf);

    if (retVal == FALSE) {
        printf("CONFIG.IN Error: NETWORK-PROTOCOL not specified!\n");
        assert(FALSE);
    }

    if (strcmp(buf, "IP") == 0) {
        //node->networkData.networkProtocol = NETWORK_PROTOCOL_IP;
    }
    else {
        fprintf(stderr, "CONFIG.IN Error: Unknown Network Protocol %s.\n", buf);
        assert(FALSE);
  
    }

    retVal = GLOMO_ReadString(node->nodeAddr, nodeInput, "NETWORK-LAYER-STATISTICS", buf);
            
    if (retVal == FALSE) {
        printf("GLOMO Error: NETWORK-LAYER-STATISTICS not specified!\n");
        assert(FALSE);
    }

    if (strcmp(buf, "YES") == 0) { 
        node->networkData.networkStats = TRUE;
    }
    else if (strcmp(buf, "NO") == 0) {
        node->networkData.networkStats = FALSE;
    }
    else {
        fprintf(stderr, "CONFIG.IN Error: %s is not a valid choice.\n", buf);
        assert(FALSE);
    }

    retVal = GLOMO_ReadString(node->nodeAddr, nodeInput, "GUI-ROUTING", buf);
    if (retVal == TRUE) {
        if (strcmp(buf, "YES") == 0) {
            node->networkData.guiOption = TRUE;
        }
        else if (strcmp(buf, "NO") == 0) {
            node->networkData.guiOption = FALSE;
        }
        else {
            fprintf(stderr, "CONFIG.IN Error: %s is not a valid choice.\n", buf);
            assert(FALSE);
        }
    }
    else {
        node->networkData.guiOption = FALSE;
    }

    NetworkIpInit(node, nodeInput);
}


/*
 * FUNCTION    GLOMO_NetworkFinalize
 * PURPOSE     Called at the end of simulation to collect the results of 
 *             the simulation of the Network Layer.
 *
 * Parameter:
 *     node:     node for which results are to be collected.
 */
void GLOMO_NetworkFinalize(GlomoNode *node)
{
    if (node->networkData.networkStats == TRUE) {
        NetworkIpFinalize(node);
    }

    //switch (node->networkData.networkProtocol)
    //{
    //    case NETWORK_PROTOCOL_IP:
    //    { 
    //        NetworkIpFinalize(node);
    //        break;
    //    }
    //    default: 
    //        assert(FALSE);
    //        break;
    //}      
}


/*
 * FUNCTION    GLOMO_NetworkLayer
 * PURPOSE     Models the behaviour of the Network Layer on receiving the
 *             message
 *
 * Parameters:
 *     node:     node which received the message
 *     msg:      message received by the layer
 */
void GLOMO_NetworkLayer(GlomoNode *node, Message *msg)
{
    NetworkIpLayer(node, msg);

    //switch (node->networkData.networkProtocol)
    //{
    //    case NETWORK_PROTOCOL_IP:
    //    {
    //        break;
    //    }
    //    default:
    //       assert(FALSE);
    //       break;
    //}
}