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- /*
- * 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 <signal.h>
- #ifdef UA_NO_AMALGAMATION
- # include "ua_types.h"
- # include "ua_server.h"
- # include "logger_stdout.h"
- # include "networklayer_tcp.h"
- #else
- # include "open62541.h"
- #endif
- UA_Boolean running = 1;
- UA_Logger logger;
- static void stopHandler(int sign) {
- UA_LOG_INFO(logger, UA_LOGCATEGORY_SERVER, "received ctrl-c");
- running = 0;
- }
- static void onRead(void *handle, const UA_NodeId nodeid, const UA_Variant *data, const UA_NumericRange *range){
- UA_LOG_INFO(logger, UA_LOGCATEGORY_USERLAND, "onRead; handle is: %i", (uintptr_t)handle);
- }
- static void onWrite(void *handle, const UA_NodeId nodeid, const UA_Variant *data, const UA_NumericRange *range){
- UA_LOG_INFO(logger, UA_LOGCATEGORY_USERLAND, "onWrite; handle is: %i", (uintptr_t)handle);
- }
- int main(int argc, char** argv) {
- signal(SIGINT, stopHandler); /* catches ctrl-c */
- UA_Server *server = UA_Server_new(UA_ServerConfig_standard);
- logger = Logger_Stdout_new();
- UA_Server_setLogger(server, logger);
- UA_Server_addNetworkLayer(server, ServerNetworkLayerTCP_new(UA_ConnectionConfig_standard, 16664));
- /* add a variable node to the address space */
- UA_Variant *myIntegerVariant = UA_Variant_new();
- UA_Int32 myInteger = 42;
- UA_Variant_setScalarCopy(myIntegerVariant, &myInteger, &UA_TYPES[UA_TYPES_INT32]);
- //NOTE: the link between myInteger and the value of the node is lost here, you can safely reuse myInteger
- UA_QualifiedName myIntegerName = UA_QUALIFIEDNAME(1, "the answer");
- UA_NodeId myIntegerNodeId = UA_NODEID_STRING(1, "the.answer"); /* UA_NODEID_NULL would assign a random free nodeid */
- UA_LocalizedText myIntegerBrowseName = UA_LOCALIZEDTEXT("en_US","the answer");
- UA_NodeId parentNodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER);
- UA_NodeId parentReferenceNodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES);
- UA_Server_addVariableNode(server, myIntegerNodeId, myIntegerName, myIntegerBrowseName, myIntegerBrowseName, 0, 0,
- parentNodeId, parentReferenceNodeId, myIntegerVariant, NULL);
- UA_ValueCallback callback = {(void*)7, onRead, onWrite};
- UA_Server_setAttribute_valueCallback(server, myIntegerNodeId, callback);
- UA_StatusCode retval = UA_Server_run(server, 1, &running);
- UA_Server_delete(server);
- return retval;
- }
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