kdrive_express_ip_tunneling_secure.c

//
// Copyright (c) 2002-2023 WEINZIERL ENGINEERING GmbH
// All rights reserved.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY DAMAGES OR OTHER LIABILITY,
// WHETHER IN CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE
//
 
#include <stdio.h>
#include <stdlib.h>
#include <kdrive_express.h>
 
/*******************************
** Main
********************************/
 
int main(int argc, char* argv[])
{
        uint16_t address = 0x901; 
        uint8_t value = 0; 
        int32_t ap = 0; 
        /* Configure the logging level and console logger */
        kdrive_logger_set_level(KDRIVE_LOGGER_INFORMATION);
        kdrive_logger_console();
 
        /*
                We create a Access Port descriptor. This descriptor is then used for
                all calls to that specific access port.
        */
        ap = kdrive_ap_create();
 
        /*
                We check that we were able to allocate a new descriptor
                This should always happen, unless a bad_alloc exception is internally thrown
                which means the memory couldn't be allocated.
        */
        if (ap == KDRIVE_INVALID_DESCRIPTOR)
        {
                kdrive_logger(KDRIVE_LOGGER_FATAL, "Unable to create access port. This is a terminal failure");
                return -1;
        }
 
        /* sets (optional) authentication code */
        if (kdrive_ap_set_ip_tunn_auth_code(ap, "z#?_3!sF") != KDRIVE_ERROR_NONE)
        {
                kdrive_logger(KDRIVE_LOGGER_FATAL, "Unable to set the authentication code");
        }
 
        /* sets security user id and tunnel password*/
        if (kdrive_ap_set_ip_tunn_credentials(ap, 2, "4>'+Gain") != KDRIVE_ERROR_NONE)
        {
                kdrive_logger(KDRIVE_LOGGER_FATAL, "Unable to set the password and userid");
        }
 
        /* sets preferred ind address */
        if (kdrive_ap_set_ip_tunn_requested_ia(ap, 0xCC0C) != KDRIVE_ERROR_NONE) // 0xCC0B=12.12.11
        {
                kdrive_logger(KDRIVE_LOGGER_FATAL, "Unable to set the requested individual address of the tunnel");
        }
 
 
        /*
                Open a Tunneling connection with a specific IP Interface,
                you will probably have to change the IP address
        */
        if (kdrive_ap_open_ip_tunn(ap, "10.0.0.106", 0, 0) == KDRIVE_ERROR_NONE)
        {
                /*
                        Connect the Packet Trace logging mechanism
                        to see the Rx and Tx packets
                */
                kdrive_ap_packet_trace_connect(ap);
 
                /* send a 1-Bit boolean GroupValueWrite telegram: on */
                value = 1;
                kdrive_ap_group_write(ap, address, &value, 1);
 
                /* send a 1-Bit boolean GroupValueWrite telegram: off */
                value = 0;
                kdrive_ap_group_write(ap, address, &value, 1);
 
                /* close the access port */
                kdrive_ap_close(ap);
        }
 
        /* releases the access port */
        kdrive_ap_release(ap);
 
        return 0;
}