main.c

#include <open62541/plugin/log_stdout.h>
#include <open62541/server.h>
#include <open62541/server_config_default.h>

/* Files namespace_foo_flt_generated.h and namespace_foo_flt_generated.c are created from FooFlt.NodeSet2.xml in the
 * /src_generated directory by CMake */
#include "foo_flt_nodeids.h"
#include "namespace_foo_flt_generated.h"

#include <signal.h>
#include <stdlib.h>

UA_Boolean running = true;

static void stopHandler(int sign) {
    UA_LOG_INFO(UA_Log_Stdout, UA_LOGCATEGORY_SERVER, "received ctrl-c");
    running = false;
}

int main(int argc, char** argv) {
    signal(SIGINT, stopHandler);
    signal(SIGTERM, stopHandler);
    
    UA_Server *server = UA_Server_new();
    UA_ServerConfig_setDefault(UA_Server_getConfig(server));

    UA_StatusCode retval;
    /* create nodes from nodeset */
    if(namespace_foo_flt_generated(server) != UA_STATUSCODE_GOOD) {
        UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER, "Could not add the Foo FLT nodeset. "
        "Check previous output for any error.");
        retval = UA_STATUSCODE_BADUNEXPECTEDERROR;
    } else {

        // Do some additional stuff with the nodes

        // this will just get the namespace index, since it is already added to the server
        UA_UInt16 nsIdx = UA_Server_addNamespace(server, "https://new.foo.com/zebra-compression/flattening-and-subspacefolding/UA/");

        UA_NodeId testInstanceId = UA_NODEID_NUMERIC(nsIdx, UA_FOO_FLTID_APE);

        UA_LOG_INFO(UA_Log_Stdout, UA_LOGCATEGORY_SERVER, "The Ape has ns=%d;id=%d",
                    testInstanceId.namespaceIndex, testInstanceId.identifier.numeric);

        retval = UA_Server_run(server, &running);
    }

    UA_Server_delete(server);
    return retval == UA_STATUSCODE_GOOD ? EXIT_SUCCESS : EXIT_FAILURE;
}