Ping.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 <signal.h>
#include "CLI.h"
#include "../IP/IP.h"
 
#pragma comment(lib,"libIP.lib")
 
bool validate_ping_command(ptrCLIENTINFO info, ptrCOMMANDARRAY command, int index)
{
    if (command->length - index < 2)
    {
        send_message(info, "USAGE: ping deviceName or ping IPAddress\n");
        return false;
    }
 
    if (_stricmp(command->commands[index], "ping"))
        return false;
 
    if (!isCommandAsDeviceName(command->commands[index + 1]))
    {
        if (!isValidIPAddress(command->commands[index + 1]))
        {
            send_message(info, "%s is not a valid IP address or valid device name.\n",
                         command->commands[index + 1]);
            return false;
        }
    }
    return true;
}
 
bool resp(ptrCLIENTINFO info,char* msg, bool isMore)
{
    if(info->clientType != CLIENTTYPE_STRING)
        send_message(info, msg);
    if (info->clientType == CLIENTTYPE_SOCKET && !isMore)
    {
        info->CLIENT.sockClient.iswait = false;
        WakeByAddressSingle(&info->CLIENT.sockClient.iswait);
    }
    else if(info->multResp)
    {
        int len = (int)strlen(msg);
        info->multResp(info->multRespArg,
                       _strdup(msg),
                       len,
                       isMore);
    }
    return !isMore;
}
 
void execute_ping_command(ptrCLIENTINFO info, ptrCOMMANDARRAY command, int index, NETSIM_ID d)
{
    NETSIM_ID dest;
    if (isCommandAsDeviceName(command->commands[index + 1]))
    {
        dest = fn_NetSim_Stack_GetDeviceId_asName(command->commands[index + 1]);
    }
    else
    {
        NETSIM_IPAddress ip = STR_TO_IP(command->commands[index + 1],
                                        STR_GET_IP_TYPE(command->commands[index + 1]));
        NETSIM_ID in;
        dest = fn_NetSim_Stack_GetDeviceId_asIP(ip, &in);
        if (!dest)
        {
            send_message(info, "%s IP is not associated with any device.\n",
                         command->commands[index + 1]);
            return;
        }
    }
    IP_DEVVAR* ipVar = GET_IP_DEVVAR(d);
    if (ipVar && !ipVar->isICMP)
    {
        send_message(info, "ICMP is not configured for device %d.\n", d);
        return;
    }
 
    ipVar = GET_IP_DEVVAR(dest);
    if (ipVar && !ipVar->isICMP)
    {
        send_message(info, "ICMP is not configured for device %d.\n", dest);
        return;
    }
 
    ICMP_StartPingRequest(d, dest, 4, resp, info);
    if (info->clientType == CLIENTTYPE_SOCKET)
    {
        info->CLIENT.sockClient.iswait = true;
        WaitOnAddress(&info->CLIENT.sockClient.iswait,
                      &info->CLIENT.sockClient.dontUseMe,
                      sizeof info->CLIENT.sockClient.iswait,
                      INFINITE);
    }
    else
    {
        info->isMultResp = true;
    }
}