open62541/examples/server.cpp

/*
 * This work is licensed under a Creative Commons CCZero 1.0 Universal License.
 * See http://creativecommons.org/publicdomain/zero/1.0/ for more information.
 */
#include <iostream>
#include <cstring>

#ifdef NOT_AMALGATED
# include "ua_server.h"
# include "logger_stdout.h"
# include "networklayer_tcp.h"
#else
# include "open62541.h"
#endif

/**
 * Build Instructions (Linux)
 * - gcc -std=c99 -c open62541.c
 * - g++ server.cpp open62541.o -o server
 */

using namespace std;

int main()
{
    UA_Server *server = UA_Server_new(UA_ServerConfig_standard);
    UA_Server_addNetworkLayer(server, ServerNetworkLayerTCP_new(UA_ConnectionConfig_standard, 16664));

    UA_Logger logger = Logger_Stdout_new();
    UA_Server_setLogger(server, logger);

    // add a variable node to the adresspace
    UA_VariableAttributes attr;
    UA_VariableAttributes_init(&attr);
    UA_Int32 myInteger = 42;
    UA_Variant_setScalar(&attr.value, &myInteger, &UA_TYPES[UA_TYPES_INT32]);
    attr.description = UA_LOCALIZEDTEXT("en_US","the answer");
    attr.displayName = UA_LOCALIZEDTEXT("en_US","the answer");
    UA_NodeId myIntegerNodeId = UA_NODEID_STRING(1, "the.answer");
    UA_QualifiedName myIntegerName = UA_QUALIFIEDNAME(1, "the answer");
    UA_NodeId parentNodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER);
    UA_NodeId parentReferenceNodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES);
    UA_AddNodesResult res = UA_Server_addVariableNode(server, myIntegerNodeId, parentNodeId,
                                                      parentReferenceNodeId, myIntegerName,
                                                      UA_NODEID_NULL, attr);
    UA_AddNodesResult_deleteMembers(&res);

    UA_Boolean running = UA_TRUE;
    UA_StatusCode retval = UA_Server_run(server, 1, &running);
	UA_Server_delete(server);

	return retval;
}