DIS.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 "main.h"
#include "RPL.h"
#include "RPL_Message.h"
 
#define check_if_dis_needed(rpl) (rpl->joined_dodag == NULL)
 
void rpl_dis_pdu_send()
{
    NETSIM_ID d = pstruEventDetails->nDeviceId;
    double time = pstruEventDetails->dEventTime;
    PRPL_NODE rpl = GET_RPL_NODE(d);
 
    //schedule the next dis
    pstruEventDetails->dEventTime += rpl->DISInterval;
    fnpAddEvent(pstruEventDetails);
 
    bool isdisneeded = check_if_dis_needed(rpl);
 
    if (isdisneeded)
    {
        NetSim_PACKET* dis_pdu = create_dis_message(d, time);
 
        rpl_node_send_msg(d, dis_pdu);
    }
}
 
void rpl_process_dis_msg()
{
    NETSIM_ID d = pstruEventDetails->nDeviceId;
    double t = pstruEventDetails->dEventTime;
 
    NetSim_PACKET* dio_pdu = create_current_dio_message(d, t, TRUE);
 
    if (dio_pdu != NULL)
        rpl_node_send_msg(d, dio_pdu);
}
 
void rpl_dis_msg_destroy(NetSim_PACKET* packet)
{
    PRPL_CTRL_MSG rpl = packet->pstruNetworkData->Packet_RoutingProtocol;
    PRPL_DIS_BASE b = rpl->Base;
    free(b);
    UINT i;
    for (i = 0; i < rpl->option_count; i++)
        rpl_option_destroy(rpl->options[i]);
    free(rpl);
}
 
void rpl_dis_msg_copy(const NetSim_PACKET* destPacket, const NetSim_PACKET* srcPacket)
{
    PRPL_CTRL_MSG srpl = srcPacket->pstruNetworkData->Packet_RoutingProtocol;
    PRPL_CTRL_MSG drpl = (PRPL_CTRL_MSG)calloc(1, sizeof* drpl);
    memcpy(drpl, srpl, sizeof* drpl);
    destPacket->pstruNetworkData->Packet_RoutingProtocol = drpl;
 
    PRPL_DIS_BASE b = srpl->Base;
    PRPL_DIS_BASE db = (PRPL_DIS_BASE)calloc(1, sizeof* db);
    memcpy(db, b, sizeof* db);
    drpl->Base = db;
 
    UINT i;
    for (i = 0; i < srpl->option_count; i++)
        drpl->options[i] = rpl_option_copy(srpl->options[i]);
}