BSM.c

/************************************************************************************
* Copyright (C) 2023                                                               *
* TETCOS, Bangalore. India                                                         *
*                                                                                  *
* Tetcos owns the intellectual property rights in the Product and its content.     *
* The copying, redistribution, reselling or publication of any or all of the       *
* Product or its content without express prior written consent of Tetcos is        *
* prohibited. Ownership and / or any other right relating to the software and all  *
* intellectual property rights therein shall remain at all times with Tetcos.      *
*                                                                                  *
* Author:    Shashi Kant Suman                                                     *
*                                                                                  *
* ---------------------------------------------------------------------------------*/
#include "Application.h"
 
int fn_NetSim_Application_BSM(PAPP_BSM_INFO info,
                              double* fSize,
                              double* ldArrival,
                              unsigned long* uSeed,
                              unsigned long* uSeed1,
                              unsigned long* uSeed2,
                              unsigned long* uSeed3)
{
    double time = 0.0;
    do
    {
        fnDistribution(info->packetSizeDistribution, fSize, uSeed, uSeed1, info->dPacketSize);
    } while (*fSize <= 1.0);
    //Call the Distribution DLL to generate inter arrival time
    do
    {
        fnDistribution(info->IATDistribution, &time, uSeed, uSeed1, info->dIAT);
    } while (time <= 0.0);
    *ldArrival = *ldArrival + time;
 
    //generate random time in range of[-5,5]
    time = NETSIM_RAND_RN(info->dRandomWaitTime*-1, info->dRandomWaitTime);
    *ldArrival += time;
    return 1;
}
 
/** This function is used to start the Database, FTP and Custom applications */
int fn_NetSim_Application_StartBSM(ptrAPPLICATION_INFO appInfo, double time)
{
    PAPP_BSM_INFO info = (PAPP_BSM_INFO)appInfo->appData;
 
    if (appInfo->dEndTime <= time)
        return 0;
 
    fnCreatePort(appInfo);
 
    NETSIM_ID nSource = appInfo->sourceList[0];
    NETSIM_ID* nDest = appInfo->destList;
    UINT destCount = appInfo->nDestCount;
 
    double arrivalTime = 0;
    double packetSize = 0;
 
    //Create the socket buffer
    fnCreateSocketBuffer(appInfo);
 
    //Generate the app start event
    fn_NetSim_Application_BSM((PAPP_BSM_INFO)appInfo->appData,
        &packetSize,
        &arrivalTime,
        &(NETWORK->ppstruDeviceList[nSource - 1]->ulSeed[0]),
        &(NETWORK->ppstruDeviceList[nSource - 1]->ulSeed[1]),
        &(NETWORK->ppstruDeviceList[nSource - 1]->ulSeed[0]),
        &(NETWORK->ppstruDeviceList[nSource - 1]->ulSeed[1]));
 
    pstruEventDetails->dEventTime = time + arrivalTime;
    pstruEventDetails->dPacketSize = packetSize;
    pstruEventDetails->nApplicationId = appInfo->id;
    pstruEventDetails->nDeviceId = nSource;
    pstruEventDetails->nDeviceType = DEVICE_TYPE(nSource);
    pstruEventDetails->nEventType = TIMER_EVENT;
    pstruEventDetails->nInterfaceId = 0;
    pstruEventDetails->nPacketId = 0;
    pstruEventDetails->nProtocolId = PROTOCOL_APPLICATION;
    pstruEventDetails->nSegmentId = 0;
    pstruEventDetails->nSubEventType = event_APP_START;
 
    pstruEventDetails->pPacket =
        fn_NetSim_Application_GeneratePacket(appInfo,
                                             pstruEventDetails->dEventTime,
                                             nSource,
                                             destCount,
                                             nDest,
                                             ++appInfo->nPacketId,
                                             appInfo->nAppType,
                                             appInfo->qos,
                                             appInfo->sourcePort,
                                             appInfo->destPort);
    pstruEventDetails->szOtherDetails = appInfo;
    fnpAddEvent(pstruEventDetails);
 
    return 0;
}
 
/* Below function are out of scope for NetSim.
 * An User can modify these function to implement Vanet packet type.
 */
 
bool add_sae_j2735_payload(NetSim_PACKET* packet, ptrAPPLICATION_INFO info)
{
    // Add the payload based on SAE J2735 or any other standard
    // return true after adding.
    return false;
}
 
void process_saej2735_packet(NetSim_PACKET* packet)
{
    //Add the code to process the SAE J2735 packet.
    //This function is called in Application_IN event.
}