PIM_Group.c

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/************************************************************************************
* Copyright (C) 2020                                                               *
* 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 "List.h"
#include "IP.h"
#include "PIM_SM.h"
 
ptrPIM_GROUP pim_find_group(NETSIM_ID d, NETSIM_IPAddress addr)
{
    ptrPIM_GROUP gr = GET_PIM_VAR(d)->groupList;
    while (gr)
    {
        if (!IP_COMPARE(gr->groupAddress, addr))
            return gr;
        PIM_GROUP_NEXT(gr);
    }
    return NULL;
}
 
ptrPIM_GROUP create_group(NETSIM_ID d, NETSIM_IPAddress addr, NETSIM_IPAddress RP)
{
    ptrPIM_VAR pim = GET_PIM_VAR(d);
    ptrPIM_GROUP gr = PIM_GROUP_ALLOC();
    NETSIM_ID in;
    pim->groupCount++;
    gr->groupId = pim->groupCount;
    gr->groupAddress = IP_COPY(addr);
    gr->RP = IP_COPY(RP);
    gr->RPId = fn_NetSim_Stack_GetDeviceId_asIP(RP,&in);
    PIM_GROUP_ADD(&pim->groupList, gr);
    return gr;
}
 
 
static bool is_if_already_presen(ptrPIM_GROUP g, NETSIM_ID i)
{
    UINT c;
    for (c = 0; c < g->count; c++)
        if (g->ifid[c] == i)
            return true;
    return false;
}
 
void pim_add_interface_to_group(NETSIM_ID d, NETSIM_ID i, ptrPIM_GROUP g)
{
    if (is_if_already_presen(g, i))
        return; //Already present
 
    if (g->count)
        g->ifid = realloc(g->ifid, (g->count + 1) * sizeof* g->ifid);
    else
        g->ifid = calloc(1, sizeof* g->ifid);
 
    g->ifid[g->count] = i;
    g->count++;
}