kdrive_express_ip_routing_enumerate.c

//
// Copyright (c) 2002-2022 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>
 
#define ERROR_MESSAGE_LEN       (128)   
#define MAX_ITEMS (50) 
/*******************************
** Private Functions
********************************/
 
static error_t set_license();
static void enumerate_routing_devices(int32_t ap);
 
static void error_callback(error_t e, void* user_data);
 
/*******************************
** Main
********************************/
 
int main(int argc, char* argv[])
{
        int32_t ap = 0;
 
        /*
                Configure the logging level and console logger
        */
        kdrive_logger_set_level(KDRIVE_LOGGER_INFORMATION);
        kdrive_logger_console();
 
        /*
                We register an error callback as a convenience logger function to
                print out the error message when an error occurs.
        */
        kdrive_register_error_callback(&error_callback, NULL);
 
        /*
                Sets the license key
        */
        if (set_license() != KDRIVE_ERROR_NONE)
        {
                kdrive_logger(KDRIVE_LOGGER_FATAL, "The license key is invalid. Commercial features are disabled");
                return -1;
        }
 
        /*
                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)
        {
                printf("Unable to create access port. This is a terminal failure\n");
                return -1;
        }
 
        /* enumerate the KNXnet/IP routing devices */
        enumerate_routing_devices(ap);
 
        /* releases the access port */
        kdrive_ap_release(ap);
 
        return 0;
}
 
/*******************************
** Private Functions
********************************/
 
/*
        Replace the following licence with your license key
*/
error_t set_license()
{
        char license[] =
            "[Check]\n"
            "Key=I1EkM2JvaE1HMEZtIlF5VnJuJn08KHRfV0AwTlEwRyk4NT55JFNvXnU6ZnpzMDI6QV42JWZ4"
            "fHNed11aOld9WHpGXSEibnkrSDVsZU9WIkljeSQ3NWY7eT4rdEJ6XjhpNnw+OkNEIydTYWNF"
            "RE15JVdQOno3XmtOJjZaRExwLSV8ZXxOYzlJITlhfFFdOHIjUW43SEshfSx8RWgzSipUZU5X"
            "ZiJpSnIhRS9pJyQrOis/VVAoSHMkaV5kYGFfaFxhJj5peUtdfVBgMGh7K25bITF7OnhdeTQv"
            "NiZlWCt4Nls3S31nLUU2LE1OXmhubGtxY2wqJHMxVDd0Tlg4OGlIUCE=\n"
            "\n"
            "[Customer]\n"
            "City=84508 Burgkirchen / Alz\n"
            "Company=WEINZIERL ENGINEERING GmbH\n"
            "Country=Germany\n"
            "Street=Achatz 3\n"
            "\n"
            "[LicenseData]\n"
            "LicNum=kdrive-2012-05-14\n"
            "LicVersion=71949c2a-be30-4fbe-9c96-d0a617ac6ab8\n"
            "\n"
            "[Limitations]"
            "DateLimit=2012-12-31"
            "\n"
            "[ProgramFeatures]\n"
            "kdriveAccess=0\n"
            "kdriveServices=0\n";
 
        return kdrive_lic_set_license(license);
}
 
void enumerate_routing_devices(int32_t ap)
{
        ip_rout_info_t items[MAX_ITEMS];
        uint32_t items_length = MAX_ITEMS;
        uint32_t index = 0;
 
        kdrive_logger(KDRIVE_LOGGER_INFORMATION, "Enumerating KNXnet/IP Routing devices");
        kdrive_logger(KDRIVE_LOGGER_INFORMATION, "=====================================");
        kdrive_logger(KDRIVE_LOGGER_INFORMATION, "");
 
        if (kdrive_ap_enum_ip_rout(ap, items, &items_length) == KDRIVE_ERROR_NONE)
        {
                kdrive_logger_ex(KDRIVE_LOGGER_INFORMATION, "Found %d used multicast addresse(s)", items_length);
 
                for (index = 0; index < items_length; ++index)
                {
                        kdrive_logger(KDRIVE_LOGGER_INFORMATION, "");
                        kdrive_logger_ex(KDRIVE_LOGGER_INFORMATION, "%s on %s", items[index].multicast_address, items[index].iface_address);
                        kdrive_logger_ex(KDRIVE_LOGGER_INFORMATION, "Found %u devices", items[index].number_of_devices);
                }
 
                kdrive_logger(KDRIVE_LOGGER_INFORMATION, "");
        }
}
 
void error_callback(error_t e, void* user_data)
{
        if (e != KDRIVE_TIMEOUT_ERROR)
        {
                static char error_message[ERROR_MESSAGE_LEN];
                kdrive_get_error_message(e, error_message, ERROR_MESSAGE_LEN);
                kdrive_logger_ex(KDRIVE_LOGGER_ERROR, "kdrive error: %s", error_message);
        }
}