int main(int argc, char** argv) {
signal(SIGINT, stopHandler); /* catches ctrl-c */
UA_ServerConfig config = UA_ServerConfig_standard;
UA_ServerNetworkLayer nl = UA_ServerNetworkLayerTCP(UA_ConnectionConfig_standard, 16664, logger);
config.logger = Logger_Stdout;
config.networkLayers = &nl;
config.networkLayersSize = 1;
UA_Server *server = UA_Server_new(config);
/* add a variable node to the address space */
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_Server_addVariableNode(server, myIntegerNodeId, parentNodeId,
parentReferenceNodeId, myIntegerName,
UA_NODEID_NULL, attr, NULL, NULL);
UA_ReadRequest request;
UA_ReadRequest_init(&request);
UA_ReadValueId rvi;
rvi.nodeId = myIntegerNodeId;
rvi.attributeId = UA_ATTRIBUTEID_VALUE;
rvi.indexRange = UA_STRING_NULL;
rvi.dataEncoding = UA_QUALIFIEDNAME(0, "DefaultBinary");
request.timestampsToReturn = UA_TIMESTAMPSTORETURN_NEITHER;
request.nodesToReadSize = 1;
request.nodesToRead = &rvi;
UA_StatusCode retval = UA_STATUSCODE_GOOD;
UA_ByteString request_msg;
retval |= UA_ByteString_allocBuffer(&request_msg, 1000);
UA_ByteString response_msg;
retval |= UA_ByteString_allocBuffer(&response_msg, 1000);
size_t offset = 0;
retval |= UA_encodeBinary(&request, &UA_TYPES[UA_TYPES_READREQUEST], &request_msg, &offset);
clock_t begin, end;
begin = clock();
UA_ReadRequest rq;
UA_ReadResponse rr;
for(int i = 0; i < 900000; i++) {
offset = 0;
retval |= UA_decodeBinary(&request_msg, &offset, &rq, &UA_TYPES[UA_TYPES_READREQUEST]);
UA_ReadResponse_init(&rr);
Service_Read(server, &adminSession, &rq, &rr);
offset = 0;
retval |= UA_encodeBinary(&rr, &UA_TYPES[UA_TYPES_READRESPONSE], &response_msg, &offset);
UA_ReadRequest_deleteMembers(&rq);
UA_ReadResponse_deleteMembers(&rr);
}
end = clock();
double time_spent = (double)(end - begin) / CLOCKS_PER_SEC;
printf("duration was %f s\n", time_spent);
printf("retval is %i\n", retval);
UA_ByteString_deleteMembers(&request_msg);
UA_ByteString_deleteMembers(&response_msg);
retval |= UA_Server_run(server, &running);
UA_Server_delete(server);
nl.deleteMembers(&nl);
return (int)retval;
}
int main(void)
{
UA_Client *clt; //client
UA_StatusCode retval;
UA_ReadRequest req; //read request
UA_ReadResponse resp; //response
/*
* Step 1.
* create & init the client
*/
clt = UA_Client_new(UA_ClientConfig_standard);
retval = UA_Client_connect(clt, URL);
if(retval != UA_STATUSCODE_GOOD){
UA_Client_delete(clt);
return retval;
}
/*
* Step 2.
* Create read request
*/
UA_ReadRequest_init(&req); // memset 0 in req
req.nodesToRead = UA_Array_new(1, &UA_TYPES[UA_TYPES_READVALUEID]);
req.nodesToReadSize = 1;
/*
* Step 3.
* define which node and attribute to be read
*/
req.nodesToRead[0].nodeId = UA_NODEID_STRING_ALLOC(1, "the.f****r");
req.nodesToRead[0].attributeId = UA_ATTRIBUTEID_VALUE;
/*
* Step 4.
* call the `UA_Client_Service_read` to read
*/
UA_ReadResponse_init(&resp);
resp = UA_Client_Service_read(clt, req);
/* if(resp.responseHeader.serviceResult == UA_STATUSCODE_GOOD &&
resp.resultsSize > 0 &&
resp.results[0].hasValue &&
UA_Variant_isScalar(&resp.results[0].value) &&
resp.results[0].value.type == &UA_TYPES[UA_TYPES_INT32])
{*/
if(resp.responseHeader.serviceResult == UA_STATUSCODE_GOOD &&
resp.resultsSize > 0 &&
resp.results[0].hasValue &&
UA_Variant_isScalar(&resp.results[0].value) &&
resp.results[0].value.type == &UA_TYPES[UA_TYPES_STRING])
{
UA_String *str = (UA_String *)resp.results[0].value.data;
printf("The string : %s\n", str->data);
/*
UA_Int32 *val = (UA_Int32 *)resp.results[0].value.data;
printf("The value is: %d\n", *val);*/
}
/*
* Step 5.
* free resource
*/
UA_ReadRequest_deleteMembers(&req);
UA_ReadResponse_deleteMembers(&resp);
UA_Client_disconnect(clt);
UA_Client_delete(clt);
return UA_STATUSCODE_GOOD;
}
