Satellite.c

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/************************************************************************************
* Copyright (C) 2021                                                                *
* 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.       *
*                                                                                   *
* This source code is licensed per the NetSim license agreement.                    *
*                                                                                   *
* No portion of this source code may be used as the basis for a derivative work,    *
* or used, for any purpose other than its intended use per the NetSim license       *
* agreement.                                                                        *
*                                                                                   *
* This source code and the algorithms contained within it are confidential trade    *
* secrets of TETCOS and may not be used as the basis for any other software,        *
* hardware, product or service.                                                     *
*                                                                                   *
* Author:    Shashi Kant Suman                                                      *
*                                                                                   *
* ----------------------------------------------------------------------------------*/
#include "main.h"
#include "SATELLITE.h"
#include "Satellite_MAC.h"
#include "Satellite_PHY.h"
 
//Function prototype
static void satellite_ut_init(NETSIM_ID d, NETSIM_ID in);
static void satellite_gw_init(NETSIM_ID d, NETSIM_ID in);
static void satellite_init(NETSIM_ID d, NETSIM_ID in);
static void satellite_handle_timer();
void init_satellite_log();
void close_satellite_log();
 
_declspec(dllexport) int fn_NetSim_SATELLITE_Init()
{
    init_satellite_log();
 
    NETSIM_ID i;
    NETSIM_ID j;
    for (i = 0; i < NETWORK->nDeviceCount; i++)
    {
        for (j = 0; j < DEVICE(i + 1)->nNumOfInterface; j++)
        {
            if (!isSatelliteInterface(i + 1, j + 1))
                continue;
 
            switch (SATELLITE_DEVICETYPE_GET(i + 1, j + 1))
            {
                case SATELLITE_DEVICETYPE_SATELLITE:
                    satellite_init(i + 1, j + 1);
                    break;
                case SATELLITE_DEVICETYPE_SATELLITE_GATEWAY:
                    satellite_gw_init(i + 1, j + 1);
                    break;
                case SATELLITE_DEVICETYPE_USER_TERMINAL:
                    satellite_ut_init(i + 1, j + 1);
                    break;
                default:
                    fnNetSimError("Unknown device type in function %s\n", __FUNCTION__);
                    break;
            }
        }
    }
    return 0;
}
 
_declspec(dllexport) int fn_NetSim_SATELLITE_Run()
{
    switch (pstruEventDetails->nEventType)
    {
        case MAC_OUT_EVENT:
            satellite_handle_mac_out();
            break;
        case MAC_IN_EVENT:
            satellite_handle_mac_in();
            break;
        case PHYSICAL_OUT_EVENT:
            satellite_handle_phy_out();
            break;
        case PHYSICAL_IN_EVENT:
            satellite_handle_phy_in();
            break;
        case TIMER_EVENT:
            satellite_handle_timer();
            break;
        default:
            fnNetSimError("Unknown event type %d in function %s\n",
                          pstruEventDetails->nEventType, __FUNCTION__);
            break;
    }
    return 0;
}
 
_declspec(dllexport) char* fn_NetSim_SATELLITE_Trace(NETSIM_ID id)
{
    UINT i = id % (MAC_PROTOCOL_SATELLITE * 100);
    return (char*)strSATELLITE_SUBEVENT[i];
}
 
_declspec(dllexport) int fn_NetSim_SATELLITE_FreePacket(NetSim_PACKET* packet)
{
    packet;
    return 0;
}
 
_declspec(dllexport) int fn_NetSim_SATELLITE_CopyPacket(NetSim_PACKET* destPacket, const NetSim_PACKET* srcPacket)
{
    destPacket;
    srcPacket;
    return 0;
}
 
_declspec(dllexport) int fn_NetSim_SATELLITE_Metrics(PMETRICSWRITER file)
{
    file;
    return 0;
}
 
_declspec(dllexport) int fn_NetSim_SATELLITE_Configure(void** var)
{
    fn_NetSim_SATELLITE_Configure_F(var);
    return 0;
}
 
_declspec(dllexport) char* fn_NetSim_SATELLITE_ConfigPacketTrace(void* xmlNetSimNode)
{
    xmlNetSimNode;
    return "";
}
 
_declspec(dllexport) int fn_NetSim_SATELLITE_Finish()
{
    close_satellite_log();
    return 0;
}
 
_declspec(dllexport) int fn_NetSim_SATELLITE_WritePacketTrace(NetSim_PACKET* pstruPacket, char** ppszTrace)
{
    pstruPacket;
    ppszTrace;
    return 0;
}
 
static void satellite_ut_init(NETSIM_ID d, NETSIM_ID in)
{
    satellite_UT_MAC_init(d, in);
    satellite_ut_phy_init(d, in);
}
 
static void satellite_gw_init(NETSIM_ID d, NETSIM_ID in)
{
    satellite_GW_MAC_init(d, in);
    satellite_gw_phy_init(d, in);
}
 
static void satellite_init(NETSIM_ID d, NETSIM_ID in)
{
    satellite_mac_init(d, in);
}
 
static void satellite_handle_timer()
{
    switch (pstruEventDetails->nSubEventType)
    {
        case SUBEVENT_SUPERFRAME_START:
            satellite_superframe_start();
            break;
        case SUBEVENT_FRAME_START:
            satellite_frame_start();
            break;
        default:
            fnNetSimError("Unknown subevnet %d in function %s\n",
                          pstruEventDetails->nSubEventType, __FUNCTION__);
            break;
    }
}