END_TEST
/* Send an async message and receive the response when the securechannel timed out */
START_TEST(SecureChannel_networkfail) {
UA_Client *client = UA_Client_new();
UA_ClientConfig_setDefault(UA_Client_getConfig(client));
UA_StatusCode retval = UA_Client_connect(client, "opc.tcp://localhost:4840");
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
UA_ReadRequest rq;
UA_ReadRequest_init(&rq);
UA_ReadValueId rvi;
UA_ReadValueId_init(&rvi);
rvi.attributeId = UA_ATTRIBUTEID_VALUE;
rvi.nodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERSTATUS_STATE);
rq.nodesToRead = &rvi;
rq.nodesToReadSize = 1;
/* Forward the clock after recv in the client */
UA_ClientConfig *cconfig = UA_Client_getConfig(client);
UA_Client_recv = client->connection.recv;
client->connection.recv = UA_Client_recvTesting;
UA_Client_recvSleepDuration = cconfig->secureChannelLifeTime + 1;
UA_Variant val;
UA_Variant_init(&val);
UA_NodeId nodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERSTATUS_STATE);
retval = UA_Client_readValueAttribute(client, nodeId, &val);
ck_assert_msg(retval == UA_STATUSCODE_BADSECURECHANNELCLOSED);
UA_Client_disconnect(client);
UA_Client_delete(client);
}
END_TEST
/* Send the next message after the securechannel timed out */
START_TEST(SecureChannel_timeout_fail) {
UA_Client *client = UA_Client_new();
UA_ClientConfig_setDefault(UA_Client_getConfig(client));
UA_StatusCode retval = UA_Client_connect(client, "opc.tcp://localhost:4840");
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
UA_ClientConfig *cconfig = UA_Client_getConfig(client);
UA_fakeSleep(cconfig->secureChannelLifeTime + 1);
UA_realSleep(50 + 1); // UA_MAXTIMEOUT+1 wait to be sure UA_Server_run_iterate can be completely executed
UA_Variant val;
UA_Variant_init(&val);
UA_NodeId nodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERSTATUS_STATE);
retval = UA_Client_readValueAttribute(client, nodeId, &val);
ck_assert(retval != UA_STATUSCODE_GOOD);
UA_Variant_deleteMembers(&val);
UA_Client_disconnect(client);
UA_Client_delete(client);
}
END_TEST
START_TEST(SecureChannel_cableunplugged) {
UA_Client *client = UA_Client_new();
UA_ClientConfig_setDefault(UA_Client_getConfig(client));
UA_StatusCode retval = UA_Client_connect(client, "opc.tcp://localhost:4840");
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
UA_Variant val;
UA_Variant_init(&val);
UA_NodeId nodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERSTATUS_STATE);
retval = UA_Client_readValueAttribute(client, nodeId, &val);
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
UA_Variant_deleteMembers(&val);
UA_Client_recv = client->connection.recv;
client->connection.recv = UA_Client_recvTesting;
/* Simulate network cable unplugged (no response from server) */
UA_Client_recvTesting_result = UA_STATUSCODE_GOODNONCRITICALTIMEOUT;
UA_Variant_init(&val);
retval = UA_Client_readValueAttribute(client, nodeId, &val);
ck_assert_uint_eq(retval, UA_STATUSCODE_BADCONNECTIONCLOSED);
ck_assert_msg(UA_Client_getState(client) == UA_CLIENTSTATE_DISCONNECTED);
UA_Client_recvTesting_result = UA_STATUSCODE_GOOD;
UA_Client_delete(client);
}
static void
GetEndpointsAndCheck(const char* discoveryUrl, const char* filterTransportProfileUri,
const UA_String expectedEndpointUrls[], size_t expectedEndpointUrlsSize) {
UA_Client *client = UA_Client_new();
UA_ClientConfig_setDefault(UA_Client_getConfig(client));
ck_assert_uint_eq(UA_Client_connect(client, discoveryUrl), UA_STATUSCODE_GOOD);
UA_EndpointDescription* endpointArray = NULL;
size_t endpointArraySize = 0;
UA_String discoveryUrlUA = UA_String_fromChars(discoveryUrl);
UA_StatusCode retval = GetEndpoints(client, &discoveryUrlUA, &endpointArraySize,
&endpointArray, filterTransportProfileUri);
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
UA_String_deleteMembers(&discoveryUrlUA);
ck_assert_uint_eq(endpointArraySize , expectedEndpointUrlsSize);
for(size_t j = 0; j < endpointArraySize && j < expectedEndpointUrlsSize; j++) {
UA_EndpointDescription* endpoint = &endpointArray[j];
ck_assert(UA_String_equal(&endpoint->endpointUrl, &expectedEndpointUrls[j]));
}
UA_Array_delete(endpointArray, endpointArraySize, &UA_TYPES[UA_TYPES_ENDPOINTDESCRIPTION]);
UA_Client_delete(client);
}
} END_TEST
START_TEST(AddAndRemovePublishedDataSetItems){
UA_StatusCode retVal;
UA_Client *client = UA_Client_new();
UA_ClientConfig_setDefault(UA_Client_getConfig(client));
retVal = UA_Client_connect(client, "opc.tcp://localhost:4840");
if(retVal != UA_STATUSCODE_GOOD) {
UA_Client_delete(client);
}
ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
UA_Variant *inputArguments = (UA_Variant *) UA_calloc(4, (sizeof(UA_Variant)));
UA_String pdsName = UA_STRING("Test PDS");
UA_Variant_setScalar(&inputArguments[0], &pdsName, &UA_TYPES[UA_TYPES_STRING]);
UA_String *fieldNameAliases = (UA_String *) UA_calloc(2, sizeof(UA_String));
fieldNameAliases[0] = UA_STRING("field1");
fieldNameAliases[1] = UA_STRING("field2");
UA_Variant_setArray(&inputArguments[1], fieldNameAliases, 2, &UA_TYPES[UA_TYPES_STRING]);
UA_DataSetFieldFlags *dataSetFieldFlags = (UA_DataSetFieldFlags *) UA_calloc(2, sizeof(UA_DataSetFieldFlags));
dataSetFieldFlags[0] = UA_DATASETFIELDFLAGS_PROMOTEDFIELD;
dataSetFieldFlags[1] = UA_DATASETFIELDFLAGS_PROMOTEDFIELD;
UA_Variant_setArray(&inputArguments[2], dataSetFieldFlags, 2, &UA_TYPES[UA_TYPES_DATASETFIELDFLAGS]);
UA_PublishedVariableDataType *variablesToAdd = (UA_PublishedVariableDataType *) UA_calloc(2, sizeof(UA_PublishedVariableDataType));
variablesToAdd[0].publishedVariable = UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_LOCALTIME);
variablesToAdd[0].attributeId = UA_ATTRIBUTEID_VALUE;
variablesToAdd[1].publishedVariable = UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERREDUNDANCY_CURRENTSERVERID);
variablesToAdd[1].attributeId = UA_ATTRIBUTEID_VALUE;
UA_Variant_setArray(&inputArguments[3], variablesToAdd, 2, &UA_TYPES[UA_TYPES_PUBLISHEDVARIABLEDATATYPE]);
UA_CallMethodRequest callMethodRequest;
UA_CallMethodRequest_init(&callMethodRequest);
callMethodRequest.inputArgumentsSize = 4;
callMethodRequest.inputArguments = inputArguments;
callMethodRequest.objectId = UA_NODEID_NUMERIC(0, UA_NS0ID_PUBLISHSUBSCRIBE_PUBLISHEDDATASETS);
callMethodRequest.methodId = UA_NODEID_NUMERIC(0, UA_NS0ID_DATASETFOLDERTYPE_ADDPUBLISHEDDATAITEMS);
UA_CallMethodResult result;
UA_CallMethodResult_init(&result);
result = UA_Server_call(server, &callMethodRequest);
ck_assert_int_eq(3, result.outputArgumentsSize);
ck_assert_int_eq(result.statusCode, UA_STATUSCODE_GOOD);
//TODO checked correctness of created items
UA_CallMethodResult_deleteMembers(&result);
UA_free(inputArguments);
UA_free(fieldNameAliases);
UA_free(dataSetFieldFlags);
UA_free(variablesToAdd);
UA_Client_disconnect(client);
UA_Client_delete(client);
} END_TEST
int main(void) {
signal(SIGINT, stopHandler); /* catches ctrl-c */
UA_ClientConfig config = UA_ClientConfig_default;
/* default timeout is 5 seconds. Set it to 1 second here for demo */
config.timeout = 1000;
UA_Client *client = UA_Client_new(config);
/* Read the value attribute of the node. UA_Client_readValueAttribute is a
* wrapper for the raw read service available as UA_Client_Service_read. */
UA_Variant value; /* Variants can hold scalar values and arrays of any type */
UA_Variant_init(&value);
/* Endless loop reading the server time */
while (running) {
/* if already connected, this will return GOOD and do nothing */
/* if the connection is closed/errored, the connection will be reset and then reconnected */
/* Alternatively you can also use UA_Client_getState to get the current state */
UA_StatusCode retval = UA_Client_connect(client, "opc.tcp://localhost:4840");
if (retval != UA_STATUSCODE_GOOD) {
UA_LOG_ERROR(logger, UA_LOGCATEGORY_CLIENT, "Not connected. Retrying to connect in 1 second");
/* The connect may timeout after 1 second (see above) or it may fail immediately on network errors */
/* E.g. name resolution errors or unreachable network. Thus there should be a small sleep here */
UA_sleep_ms(1000);
continue;
}
/* NodeId of the variable holding the current time */
const UA_NodeId nodeId =
UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERSTATUS_CURRENTTIME);
retval = UA_Client_readValueAttribute(client, nodeId, &value);
if (retval == UA_STATUSCODE_BADCONNECTIONCLOSED) {
UA_LOG_ERROR(logger, UA_LOGCATEGORY_CLIENT, "Connection was closed. Reconnecting ...");
continue;
}
if (retval == UA_STATUSCODE_GOOD &&
UA_Variant_hasScalarType(&value, &UA_TYPES[UA_TYPES_DATETIME])) {
UA_DateTime raw_date = *(UA_DateTime *) value.data;
UA_String string_date = UA_DateTime_toString(raw_date);
UA_LOG_INFO(logger, UA_LOGCATEGORY_CLIENT, "string date is: %.*s", (int) string_date.length, string_date.data);
UA_String_deleteMembers(&string_date);
}
UA_sleep_ms(1000);
};
/* Clean up */
UA_Variant_deleteMembers(&value);
UA_Client_delete(client); /* Disconnects the client internally */
return UA_STATUSCODE_GOOD;
}
END_TEST
START_TEST(SecureChannel_reconnect) {
UA_Client *client = UA_Client_new();
UA_ClientConfig_setDefault(UA_Client_getConfig(client));
UA_StatusCode retval = UA_Client_connect(client, "opc.tcp://localhost:4840");
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
client->state = UA_CLIENTSTATE_CONNECTED;
retval = UA_Client_disconnect(client);
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
UA_ClientConfig *cconfig = UA_Client_getConfig(client);
UA_fakeSleep(cconfig->secureChannelLifeTime + 1);
UA_realSleep(50 + 1);
retval = UA_Client_connect(client, "opc.tcp://localhost:4840");
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
UA_Client_delete(client);
}
} END_TEST
START_TEST(AddAndRemoveWriterGroups){
UA_StatusCode retVal;
UA_Client *client = UA_Client_new();
UA_ClientConfig_setDefault(UA_Client_getConfig(client));
retVal = UA_Client_connect(client, "opc.tcp://localhost:4840");
if(retVal != UA_STATUSCODE_GOOD) {
UA_Client_delete(client);
}
ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
UA_NodeId createdConnection = addPubSubConnection();
UA_Variant *inputArgument = (UA_Variant *) UA_calloc(1, (sizeof(UA_Variant)));
UA_WriterGroupDataType writerGroupDataType;
UA_WriterGroupDataType_init(&writerGroupDataType);
writerGroupDataType.name = UA_STRING("TestWriterGroup");
writerGroupDataType.enabled = UA_TRUE;
writerGroupDataType.publishingInterval = 500;
writerGroupDataType.writerGroupId = 1234;
UA_Variant_setScalar(inputArgument, &writerGroupDataType, &UA_TYPES[UA_TYPES_WRITERGROUPDATATYPE]);
UA_CallMethodRequest callMethodRequest;
UA_CallMethodRequest_init(&callMethodRequest);
callMethodRequest.inputArgumentsSize = 1;
callMethodRequest.inputArguments = inputArgument;
callMethodRequest.objectId = createdConnection;
callMethodRequest.methodId = UA_NODEID_NUMERIC(0, UA_NS0ID_PUBSUBCONNECTIONTYPE_ADDWRITERGROUP);
UA_CallMethodResult result;
UA_CallMethodResult_init(&result);
result = UA_Server_call(server, &callMethodRequest);
ck_assert_int_eq(result.statusCode, UA_STATUSCODE_GOOD);
ck_assert_int_eq(1, result.outputArgumentsSize);
UA_NodeId createdWriterGroup = UA_NODEID_NULL;
if(result.outputArguments->type == &UA_TYPES[UA_TYPES_NODEID])
createdWriterGroup = *((UA_NodeId *) result.outputArguments->data);
UA_LocalizedText writerGroupDisplayName;
UA_LocalizedText_init(&writerGroupDisplayName);
retVal = UA_Server_readDisplayName(server, createdWriterGroup, &writerGroupDisplayName);
ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
UA_String compareText = UA_STRING("TestWriterGroup");
ck_assert(UA_String_equal(&writerGroupDisplayName.text, &compareText) == UA_TRUE);
UA_free(inputArgument);
UA_CallMethodResult_deleteMembers(&result);
UA_Client_disconnect(client);
UA_Client_delete(client);
UA_LocalizedText_deleteMembers(&writerGroupDisplayName);
} END_TEST
END_TEST
START_TEST(Client_methodcall) {
UA_Client *client = UA_Client_new(UA_ClientConfig_default);
UA_StatusCode retval = UA_Client_connect(client, "opc.tcp://localhost:4840");
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
UA_UInt32 subId;
retval = UA_Client_Subscriptions_new(client, UA_SubscriptionSettings_default, &subId);
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
/* monitor the server state */
UA_UInt32 monId;
retval = UA_Client_Subscriptions_addMonitoredItem(client, subId, UA_NODEID_NUMERIC(0, 2259),
UA_ATTRIBUTEID_VALUE, NULL, NULL, &monId);
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
/* call a method to get monitored item id */
UA_Variant input;
UA_Variant_init(&input);
UA_Variant_setScalarCopy(&input, &subId, &UA_TYPES[UA_TYPES_UINT32]);
size_t outputSize;
UA_Variant *output;
retval = UA_Client_call(client, UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER),
UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_GETMONITOREDITEMS), 1, &input, &outputSize, &output);
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
ck_assert_uint_eq(outputSize, 2);
ck_assert_uint_eq(output[0].arrayLength, 1);
ck_assert_uint_eq(*((UA_UInt32*)output[0].data), monId);
UA_Array_delete(output, outputSize, &UA_TYPES[UA_TYPES_VARIANT]);
UA_Variant_deleteMembers(&input);
/* call with invalid subscription id */
UA_Variant_init(&input);
subId = 0;
UA_Variant_setScalarCopy(&input, &subId, &UA_TYPES[UA_TYPES_UINT32]);
retval = UA_Client_call(client, UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER),
UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_GETMONITOREDITEMS), 1, &input, &outputSize, &output);
ck_assert_uint_eq(retval, UA_STATUSCODE_BADSUBSCRIPTIONIDINVALID);
UA_Variant_deleteMembers(&input);
UA_Client_disconnect(client);
UA_Client_delete(client);
}
void FORTE_OPC_UA_READ::executeEvent(int pa_nEIID){
switch(pa_nEIID){
case scm_nEventREQID:
UA_Int32 value = 0;
OUT() = value;
UA_Client *client = UA_Client_new(UA_ClientConfig_standard, Logger_Stdout_new());
UA_StatusCode connected = UA_Client_connect(client, ClientNetworkLayerTCP_connect, SERVER());
if(connected != UA_STATUSCODE_GOOD) {
UA_Client_delete(client);
sendOutputEvent(scm_nEventCNFID);
}
UA_ReadRequest rReq;
UA_ReadRequest_init(&rReq);
rReq.nodesToRead = UA_ReadValueId_new();
rReq.nodesToReadSize = 1;
rReq.nodesToRead[0].nodeId = UA_NODEID_STRING_ALLOC(1, NODE()); /* assume this node exists */
rReq.nodesToRead[0].attributeId = UA_ATTRIBUTEID_VALUE;
UA_ReadResponse rResp = UA_Client_read(client, &rReq);
if(rResp.responseHeader.serviceResult == UA_STATUSCODE_GOOD &&
rResp.resultsSize > 0 && rResp.results[0].hasValue &&
UA_Variant_isScalar(&rResp.results[0].value) &&
rResp.results[0].value.type == &UA_TYPES[UA_TYPES_INT32]) {
value = *(UA_Int32*)rResp.results[0].value.data;
OUT() = value;
}else{
sendOutputEvent(scm_nEventCNFID);
}
UA_ReadRequest_deleteMembers(&rReq);
UA_ReadResponse_deleteMembers(&rResp);
UA_Client_disconnect(client);
UA_Client_delete(client);
sendOutputEvent(scm_nEventCNFID);
break;
break;
}
}
END_TEST
START_TEST(Client_reconnect) {
UA_ClientConfig clientConfig = UA_ClientConfig_default;
clientConfig.timeout = 100;
UA_Client *client = UA_Client_new(clientConfig);
setup();
UA_StatusCode retval = UA_Client_connect(client, "opc.tcp://localhost:4840");
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
UA_Variant val;
UA_NodeId nodeId = UA_NODEID_STRING(1, "my.variable");
retval = UA_Client_readValueAttribute(client, nodeId, &val);
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
UA_Variant_deleteMembers(&val);
// restart server to test reconnect
teardown();
setup();
retval = UA_Client_readValueAttribute(client, nodeId, &val);
ck_assert_uint_eq(retval, UA_STATUSCODE_BADCONNECTIONCLOSED);
retval = UA_Client_connect(client, "opc.tcp://localhost:4840");
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
retval = UA_Client_readValueAttribute(client, nodeId, &val);
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
UA_Variant_deleteMembers(&val);
UA_Client_disconnect(client);
UA_Client_delete(client);
teardown();
}
END_TEST
START_TEST(Service_TranslateBrowsePathsToNodeIds) {
UA_Client *client = UA_Client_new(UA_ClientConfig_default);
UA_StatusCode retVal = UA_Client_connect(client, "opc.tcp://localhost:4840");
ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
// Just for testing we want to translate the following path to its corresponding node id
// /Objects/Server/ServerStatus/State
// Equals the following node IDs:
// /85/2253/2256/2259
#define BROWSE_PATHS_SIZE 3
char *paths[BROWSE_PATHS_SIZE] = {"Server", "ServerStatus", "State"};
UA_UInt32 ids[BROWSE_PATHS_SIZE] = {UA_NS0ID_ORGANIZES, UA_NS0ID_HASCOMPONENT, UA_NS0ID_HASCOMPONENT};
UA_BrowsePath browsePath;
UA_BrowsePath_init(&browsePath);
browsePath.startingNode = UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER);
browsePath.relativePath.elements = (UA_RelativePathElement*)UA_Array_new(BROWSE_PATHS_SIZE, &UA_TYPES[UA_TYPES_RELATIVEPATHELEMENT]);
browsePath.relativePath.elementsSize = BROWSE_PATHS_SIZE;
for(size_t i = 0; i < BROWSE_PATHS_SIZE; i++) {
UA_RelativePathElement *elem = &browsePath.relativePath.elements[i];
elem->referenceTypeId = UA_NODEID_NUMERIC(0, ids[i]);
elem->targetName = UA_QUALIFIEDNAME_ALLOC(0, paths[i]);
}
UA_TranslateBrowsePathsToNodeIdsRequest request;
UA_TranslateBrowsePathsToNodeIdsRequest_init(&request);
request.browsePaths = &browsePath;
request.browsePathsSize = 1;
UA_TranslateBrowsePathsToNodeIdsResponse response = UA_Client_Service_translateBrowsePathsToNodeIds(client, request);
ck_assert_int_eq(response.responseHeader.serviceResult, UA_STATUSCODE_GOOD);
ck_assert_int_eq(response.resultsSize, 1);
ck_assert_int_eq(response.results[0].targetsSize, 1);
ck_assert_int_eq(response.results[0].targets[0].targetId.nodeId.identifierType, UA_NODEIDTYPE_NUMERIC);
ck_assert_int_eq(response.results[0].targets[0].targetId.nodeId.identifier.numeric, UA_NS0ID_SERVER_SERVERSTATUS_STATE);
UA_BrowsePath_deleteMembers(&browsePath);
UA_TranslateBrowsePathsToNodeIdsResponse_deleteMembers(&response);
retVal = UA_Client_disconnect(client);
ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
UA_Client_delete(client);
}
static void setup(void) {
running = UA_Boolean_new();
*running = true;
config = UA_ServerConfig_new_default();
config->maxPublishReqPerSession = 5;
server = UA_Server_new(config);
UA_Server_run_startup(server);
addNewEventType();
setupSelectClauses();
THREAD_CREATE(server_thread, serverloop);
client = UA_Client_new(UA_ClientConfig_default);
UA_StatusCode retval = UA_Client_connect(client, "opc.tcp://localhost:4840");
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
setupSubscription();
}
END_TEST
START_TEST(Client_read) {
UA_Client *client = UA_Client_new(UA_ClientConfig_default);
UA_StatusCode retval = UA_Client_connect(client, "opc.tcp://localhost:4840");
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
UA_Variant val;
UA_NodeId nodeId = UA_NODEID_STRING(1, "my.variable");
retval = UA_Client_readValueAttribute(client, nodeId, &val);
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
UA_Variant_deleteMembers(&val);
UA_Client_disconnect(client);
UA_Client_delete(client);
}
int main(int argc, char *argv[]) {
UA_Client *client = UA_Client_new(UA_ClientConfig_standard, Logger_Stdout);
UA_StatusCode retval = UA_Client_connect(client, UA_ClientConnectionTCP,
"opc.tcp://localhost:16664");
if(retval != UA_STATUSCODE_GOOD) {
UA_Client_delete(client);
return retval;
}
// Browse some objects
printf("Browsing nodes in objects folder:\n");
UA_BrowseRequest bReq;
UA_BrowseRequest_init(&bReq);
bReq.requestedMaxReferencesPerNode = 0;
bReq.nodesToBrowse = UA_BrowseDescription_new();
bReq.nodesToBrowseSize = 1;
bReq.nodesToBrowse[0].nodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER); //browse objects folder
bReq.nodesToBrowse[0].resultMask = UA_BROWSERESULTMASK_ALL; //return everything
UA_BrowseResponse bResp = UA_Client_Service_browse(client, bReq);
printf("%-9s %-16s %-16s %-16s\n", "NAMESPACE", "NODEID", "BROWSE NAME", "DISPLAY NAME");
for (size_t i = 0; i < bResp.resultsSize; ++i) {
for (size_t j = 0; j < bResp.results[i].referencesSize; ++j) {
UA_ReferenceDescription *ref = &(bResp.results[i].references[j]);
if(ref->nodeId.nodeId.identifierType == UA_NODEIDTYPE_NUMERIC) {
printf("%-9d %-16d %-16.*s %-16.*s\n", ref->browseName.namespaceIndex,
ref->nodeId.nodeId.identifier.numeric, (int)ref->browseName.name.length,
ref->browseName.name.data, (int)ref->displayName.text.length,
ref->displayName.text.data);
} else if(ref->nodeId.nodeId.identifierType == UA_NODEIDTYPE_STRING) {
printf("%-9d %-16.*s %-16.*s %-16.*s\n", ref->browseName.namespaceIndex,
(int)ref->nodeId.nodeId.identifier.string.length, ref->nodeId.nodeId.identifier.string.data,
(int)ref->browseName.name.length, ref->browseName.name.data,
(int)ref->displayName.text.length, ref->displayName.text.data);
}
//TODO: distinguish further types
}
}
UA_BrowseRequest_deleteMembers(&bReq);
UA_BrowseResponse_deleteMembers(&bResp);
#ifdef UA_ENABLE_SUBSCRIPTIONS
// Create a subscription with interval 0 (immediate)...
UA_UInt32 subId;
UA_Client_Subscriptions_new(client, UA_SubscriptionSettings_standard, &subId);
if(subId)
printf("Create subscription succeeded, id %u\n", subId);
// .. and monitor TheAnswer
UA_NodeId monitorThis = UA_NODEID_STRING(1, "the.answer");
UA_UInt32 monId;
UA_Client_Subscriptions_addMonitoredItem(client, subId, monitorThis,
UA_ATTRIBUTEID_VALUE, &handler_TheAnswerChanged, NULL, &monId);
if (monId)
printf("Monitoring 'the.answer', id %u\n", subId);
// First Publish always generates data (current value) and call out handler.
UA_Client_Subscriptions_manuallySendPublishRequest(client);
// This should not generate anything
UA_Client_Subscriptions_manuallySendPublishRequest(client);
#endif
UA_Int32 value = 0;
// Read node's value
printf("\nReading the value of node (1, \"the.answer\"):\n");
UA_ReadRequest rReq;
UA_ReadRequest_init(&rReq);
rReq.nodesToRead = UA_Array_new(1, &UA_TYPES[UA_TYPES_READVALUEID]);
rReq.nodesToReadSize = 1;
rReq.nodesToRead[0].nodeId = UA_NODEID_STRING_ALLOC(1, "the.answer"); /* assume this node exists */
rReq.nodesToRead[0].attributeId = UA_ATTRIBUTEID_VALUE;
UA_ReadResponse rResp = UA_Client_Service_read(client, rReq);
if(rResp.responseHeader.serviceResult == UA_STATUSCODE_GOOD &&
rResp.resultsSize > 0 && rResp.results[0].hasValue &&
UA_Variant_isScalar(&rResp.results[0].value) &&
rResp.results[0].value.type == &UA_TYPES[UA_TYPES_INT32]) {
value = *(UA_Int32*)rResp.results[0].value.data;
printf("the value is: %i\n", value);
}
UA_ReadRequest_deleteMembers(&rReq);
UA_ReadResponse_deleteMembers(&rResp);
value++;
// Write node's value
printf("\nWriting a value of node (1, \"the.answer\"):\n");
UA_WriteRequest wReq;
UA_WriteRequest_init(&wReq);
wReq.nodesToWrite = UA_WriteValue_new();
wReq.nodesToWriteSize = 1;
wReq.nodesToWrite[0].nodeId = UA_NODEID_STRING_ALLOC(1, "the.answer"); /* assume this node exists */
wReq.nodesToWrite[0].attributeId = UA_ATTRIBUTEID_VALUE;
wReq.nodesToWrite[0].value.hasValue = UA_TRUE;
wReq.nodesToWrite[0].value.value.type = &UA_TYPES[UA_TYPES_INT32];
wReq.nodesToWrite[0].value.value.storageType = UA_VARIANT_DATA_NODELETE; //do not free the integer on deletion
wReq.nodesToWrite[0].value.value.data = &value;
UA_WriteResponse wResp = UA_Client_Service_write(client, wReq);
if(wResp.responseHeader.serviceResult == UA_STATUSCODE_GOOD)
printf("the new value is: %i\n", value);
UA_WriteRequest_deleteMembers(&wReq);
UA_WriteResponse_deleteMembers(&wResp);
#ifdef UA_ENABLE_SUBSCRIPTIONS
// Take another look at the.answer... this should call the handler.
UA_Client_Subscriptions_manuallySendPublishRequest(client);
// Delete our subscription (which also unmonitors all items)
if(!UA_Client_Subscriptions_remove(client, subId))
printf("Subscription removed\n");
#endif
#ifdef UA_ENABLE_METHODCALLS
/* Note: This example requires Namespace 0 Node 11489 (ServerType -> GetMonitoredItems)
FIXME: Provide a namespace 0 independant example on the server side
*/
UA_Variant input;
UA_String argString = UA_STRING("Hello Server");
UA_Variant_init(&input);
UA_Variant_setScalarCopy(&input, &argString, &UA_TYPES[UA_TYPES_STRING]);
UA_Int32 outputSize;
UA_Variant *output;
retval = UA_Client_call(client, UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
UA_NODEID_NUMERIC(1, 62541), 1, &input, &outputSize, &output);
if(retval == UA_STATUSCODE_GOOD) {
printf("Method call was successfull, and %i returned values available.\n", outputSize);
UA_Array_delete(output, outputSize, &UA_TYPES[UA_TYPES_VARIANT]);
} else {
printf("Method call was unsuccessfull, and %x returned values available.\n", retval);
}
UA_Variant_deleteMembers(&input);
#endif
#ifdef UA_ENABLE_NODEMANAGEMENT
/* New ReferenceType */
UA_NodeId ref_id;
UA_ReferenceTypeAttributes ref_attr;
UA_ReferenceTypeAttributes_init(&ref_attr);
ref_attr.displayName = UA_LOCALIZEDTEXT("en_US", "NewReference");
ref_attr.description = UA_LOCALIZEDTEXT("en_US", "References something that might or might not exist");
ref_attr.inverseName = UA_LOCALIZEDTEXT("en_US", "IsNewlyReferencedBy");
retval = UA_Client_addReferenceTypeNode(client,
UA_NODEID_NUMERIC(1, 12133),
UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
UA_NODEID_NUMERIC(0, UA_NS0ID_HASSUBTYPE),
UA_QUALIFIEDNAME(1, "NewReference"),
ref_attr, &ref_id);
if(retval == UA_STATUSCODE_GOOD )
printf("Created 'NewReference' with numeric NodeID %u\n", ref_id.identifier.numeric);
/* New ObjectType */
UA_NodeId objt_id;
UA_ObjectTypeAttributes objt_attr;
UA_ObjectTypeAttributes_init(&objt_attr);
objt_attr.displayName = UA_LOCALIZEDTEXT("en_US", "TheNewObjectType");
objt_attr.description = UA_LOCALIZEDTEXT("en_US", "Put innovative description here");
retval = UA_Client_addObjectTypeNode(client,
UA_NODEID_NUMERIC(1, 12134),
UA_NODEID_NUMERIC(0, UA_NS0ID_BASEOBJECTTYPE),
UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
UA_QUALIFIEDNAME(1, "NewObjectType"),
objt_attr, &objt_id);
if(retval == UA_STATUSCODE_GOOD)
printf("Created 'NewObjectType' with numeric NodeID %u\n", objt_id.identifier.numeric);
/* New Object */
UA_NodeId obj_id;
UA_ObjectAttributes obj_attr;
UA_ObjectAttributes_init(&obj_attr);
obj_attr.displayName = UA_LOCALIZEDTEXT("en_US", "TheNewGreatNode");
obj_attr.description = UA_LOCALIZEDTEXT("de_DE", "Hier koennte Ihre Webung stehen!");
retval = UA_Client_addObjectNode(client,
UA_NODEID_NUMERIC(1, 0),
UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
UA_QUALIFIEDNAME(1, "TheGreatNode"),
UA_NODEID_NUMERIC(1, 12134),
obj_attr, &obj_id);
if(retval == UA_STATUSCODE_GOOD )
printf("Created 'NewObject' with numeric NodeID %u\n", obj_id.identifier.numeric);
/* New Integer Variable */
UA_NodeId var_id;
UA_VariableAttributes var_attr;
UA_VariableAttributes_init(&var_attr);
var_attr.displayName = UA_LOCALIZEDTEXT("en_US", "TheNewVariableNode");
var_attr.description =
UA_LOCALIZEDTEXT("en_US", "This integer is just amazing - it has digits and everything.");
UA_Int32 int_value = 1234;
/* This does not copy the value */
UA_Variant_setScalar(&var_attr.value, &int_value, &UA_TYPES[UA_TYPES_INT32]);
var_attr.dataType = UA_TYPES[UA_TYPES_INT32].typeId;
retval = UA_Client_addVariableNode(client,
UA_NODEID_NUMERIC(1, 0), // Assign new/random NodeID
UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
UA_QUALIFIEDNAME(0, "VariableNode"),
UA_NODEID_NULL, // no variable type
var_attr, &var_id);
if(retval == UA_STATUSCODE_GOOD )
printf("Created 'NewVariable' with numeric NodeID %u\n", var_id.identifier.numeric);
#endif
UA_Client_disconnect(client);
UA_Client_delete(client);
return UA_STATUSCODE_GOOD;
}
} END_TEST
START_TEST(AddAndRemovePublishedDataSetFolders){
UA_StatusCode retVal;
UA_Client *client = UA_Client_new();
UA_ClientConfig_setDefault(UA_Client_getConfig(client));
retVal = UA_Client_connect(client, "opc.tcp://localhost:4840");
if(retVal != UA_STATUSCODE_GOOD) {
UA_Client_delete(client);
}
ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
UA_String folderName = UA_STRING("TestFolder");
UA_Variant inputArguments;
UA_Variant_init(&inputArguments);
UA_Variant_setScalar(&inputArguments, &folderName, &UA_TYPES[UA_TYPES_STRING]);
UA_CallMethodRequest callMethodRequest;
UA_CallMethodRequest_init(&callMethodRequest);
callMethodRequest.inputArgumentsSize = 1;
callMethodRequest.inputArguments = &inputArguments;
callMethodRequest.objectId = UA_NODEID_NUMERIC(0, UA_NS0ID_PUBLISHSUBSCRIBE_PUBLISHEDDATASETS);
callMethodRequest.methodId = UA_NODEID_NUMERIC(0, UA_NS0ID_DATASETFOLDERTYPE_ADDDATASETFOLDER);
UA_CallMethodResult result;
UA_CallMethodResult_init(&result);
result = UA_Server_call(server, &callMethodRequest);
ck_assert_int_eq(1, result.outputArgumentsSize);
ck_assert_int_eq(result.statusCode, UA_STATUSCODE_GOOD);
UA_NodeId createdFolder = UA_NODEID_NULL;
if(result.outputArguments->type == &UA_TYPES[UA_TYPES_NODEID])
createdFolder = *((UA_NodeId *) result.outputArguments->data);
UA_LocalizedText connectionDisplayName;
UA_LocalizedText_init(&connectionDisplayName);
retVal = UA_Server_readDisplayName(server, createdFolder, &connectionDisplayName);
ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
UA_String compareText = UA_STRING("TestFolder");
ck_assert(UA_String_equal(&connectionDisplayName.text, &compareText) == UA_TRUE);
retVal = UA_Server_readNodeId(server, createdFolder, &createdFolder);
ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
UA_CallMethodResult_deleteMembers(&result);
UA_LocalizedText_deleteMembers(&connectionDisplayName);
//create folder inside the new folder
folderName = UA_STRING("TestFolder2");
UA_Variant_init(&inputArguments);
UA_Variant_setScalar(&inputArguments, &folderName, &UA_TYPES[UA_TYPES_STRING]);
UA_CallMethodRequest_init(&callMethodRequest);
callMethodRequest.inputArgumentsSize = 1;
callMethodRequest.inputArguments = &inputArguments;
callMethodRequest.objectId = createdFolder;
callMethodRequest.methodId = UA_NODEID_NUMERIC(0, UA_NS0ID_DATASETFOLDERTYPE_ADDDATASETFOLDER);
UA_CallMethodResult_init(&result);
result = UA_Server_call(server, &callMethodRequest);
ck_assert_int_eq(1, result.outputArgumentsSize);
ck_assert_int_eq(result.statusCode, UA_STATUSCODE_GOOD);
UA_NodeId createdFolder2 = UA_NODEID_NULL;
if(result.outputArguments->type == &UA_TYPES[UA_TYPES_NODEID])
createdFolder2 = *((UA_NodeId *) result.outputArguments->data);
UA_LocalizedText_init(&connectionDisplayName);
retVal = UA_Server_readDisplayName(server, createdFolder2, &connectionDisplayName);
ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
compareText = UA_STRING("TestFolder2");
ck_assert(UA_String_equal(&connectionDisplayName.text, &compareText) == UA_TRUE);
retVal = UA_Server_readNodeId(server, createdFolder2, &createdFolder2);
ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD);
UA_CallMethodResult_deleteMembers(&result);
//delete the folder
UA_Variant_init(&inputArguments);
UA_Variant_setScalar(&inputArguments, &createdFolder, &UA_TYPES[UA_TYPES_NODEID]);
UA_CallMethodRequest_init(&callMethodRequest);
callMethodRequest.inputArgumentsSize = 1;
callMethodRequest.inputArguments = &inputArguments;
callMethodRequest.objectId = UA_NODEID_NUMERIC(0, UA_NS0ID_PUBLISHSUBSCRIBE_PUBLISHEDDATASETS);
callMethodRequest.methodId = UA_NODEID_NUMERIC(0, UA_NS0ID_DATASETFOLDERTYPE_REMOVEDATASETFOLDER);
result = UA_Server_call(server, &callMethodRequest);
ck_assert_int_eq(0, result.outputArgumentsSize);
ck_assert_int_eq(result.statusCode, UA_STATUSCODE_GOOD);
//check if the node is deleted
retVal = UA_Server_readNodeId(server, createdFolder, NULL);
ck_assert_int_eq(retVal, UA_STATUSCODE_BADNODEIDUNKNOWN);
UA_CallMethodResult_deleteMembers(&result);
UA_Client_disconnect(client);
UA_Client_delete(client);
UA_LocalizedText_deleteMembers(&connectionDisplayName);
} END_TEST
int main(int argc, char *argv[]) {
UA_Client *client = UA_Client_new(UA_ClientConfig_standard, Logger_Stdout_new());
UA_StatusCode retval = UA_Client_connect(client, ClientNetworkLayerTCP_connect,
"opc.tcp://localhost:16664");
if(retval != UA_STATUSCODE_GOOD) {
UA_Client_delete(client);
return retval;
}
// Browse some objects
printf("Browsing nodes in objects folder:\n");
UA_BrowseRequest bReq;
UA_BrowseRequest_init(&bReq);
bReq.requestedMaxReferencesPerNode = 0;
bReq.nodesToBrowse = UA_BrowseDescription_new();
bReq.nodesToBrowseSize = 1;
bReq.nodesToBrowse[0].nodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER); //browse objects folder
bReq.nodesToBrowse[0].resultMask = UA_BROWSERESULTMASK_ALL; //return everything
UA_BrowseResponse bResp = UA_Client_browse(client, &bReq);
printf("%-9s %-16s %-16s %-16s\n", "NAMESPACE", "NODEID", "BROWSE NAME", "DISPLAY NAME");
for (int i = 0; i < bResp.resultsSize; ++i) {
for (int j = 0; j < bResp.results[i].referencesSize; ++j) {
UA_ReferenceDescription *ref = &(bResp.results[i].references[j]);
if(ref->nodeId.nodeId.identifierType == UA_NODEIDTYPE_NUMERIC) {
printf("%-9d %-16d %-16.*s %-16.*s\n", ref->browseName.namespaceIndex,
ref->nodeId.nodeId.identifier.numeric, ref->browseName.name.length,
ref->browseName.name.data, ref->displayName.text.length, ref->displayName.text.data);
} else if(ref->nodeId.nodeId.identifierType == UA_NODEIDTYPE_STRING) {
printf("%-9d %-16.*s %-16.*s %-16.*s\n", ref->browseName.namespaceIndex,
ref->nodeId.nodeId.identifier.string.length, ref->nodeId.nodeId.identifier.string.data,
ref->browseName.name.length, ref->browseName.name.data, ref->displayName.text.length,
ref->displayName.text.data);
}
//TODO: distinguish further types
}
}
UA_BrowseRequest_deleteMembers(&bReq);
UA_BrowseResponse_deleteMembers(&bResp);
#ifdef ENABLE_SUBSCRIPTIONS
// Create a subscription with interval 0 (immediate)...
UA_Int32 subId = UA_Client_newSubscription(client, 0);
if (subId)
printf("Create subscription succeeded, id %u\n", subId);
// .. and monitor TheAnswer
UA_NodeId monitorThis;
monitorThis = UA_NODEID_STRING_ALLOC(1, "the.answer");
UA_UInt32 monId = UA_Client_monitorItemChanges(client, subId, monitorThis, UA_ATTRIBUTEID_VALUE, &handler_TheAnswerChanged );
if (monId)
printf("Monitoring 'the.answer', id %u\n", subId);
UA_NodeId_deleteMembers(&monitorThis);
// First Publish always generates data (current value) and call out handler.
UA_Client_doPublish(client);
// This should not generate anything
UA_Client_doPublish(client);
#endif
UA_Int32 value = 0;
// Read node's value
printf("\nReading the value of node (1, \"the.answer\"):\n");
UA_ReadRequest rReq;
UA_ReadRequest_init(&rReq);
rReq.nodesToRead = UA_ReadValueId_new();
rReq.nodesToReadSize = 1;
rReq.nodesToRead[0].nodeId = UA_NODEID_STRING_ALLOC(1, "the.answer"); /* assume this node exists */
rReq.nodesToRead[0].attributeId = UA_ATTRIBUTEID_VALUE;
UA_ReadResponse rResp = UA_Client_read(client, &rReq);
if(rResp.responseHeader.serviceResult == UA_STATUSCODE_GOOD &&
rResp.resultsSize > 0 && rResp.results[0].hasValue &&
UA_Variant_isScalar(&rResp.results[0].value) &&
rResp.results[0].value.type == &UA_TYPES[UA_TYPES_INT32]) {
value = *(UA_Int32*)rResp.results[0].value.data;
printf("the value is: %i\n", value);
}
UA_ReadRequest_deleteMembers(&rReq);
UA_ReadResponse_deleteMembers(&rResp);
value++;
// Write node's value
printf("\nWriting a value of node (1, \"the.answer\"):\n");
UA_WriteRequest wReq;
UA_WriteRequest_init(&wReq);
wReq.nodesToWrite = UA_WriteValue_new();
wReq.nodesToWriteSize = 1;
wReq.nodesToWrite[0].nodeId = UA_NODEID_STRING_ALLOC(1, "the.answer"); /* assume this node exists */
wReq.nodesToWrite[0].attributeId = UA_ATTRIBUTEID_VALUE;
wReq.nodesToWrite[0].value.hasValue = UA_TRUE;
wReq.nodesToWrite[0].value.value.type = &UA_TYPES[UA_TYPES_INT32];
wReq.nodesToWrite[0].value.value.storageType = UA_VARIANT_DATA_NODELETE; //do not free the integer on deletion
wReq.nodesToWrite[0].value.value.data = &value;
UA_WriteResponse wResp = UA_Client_write(client, &wReq);
if(wResp.responseHeader.serviceResult == UA_STATUSCODE_GOOD)
printf("the new value is: %i\n", value);
UA_WriteRequest_deleteMembers(&wReq);
UA_WriteResponse_deleteMembers(&wResp);
#ifdef ENABLE_SUBSCRIPTIONS
// Take another look at the.answer... this should call the handler.
UA_Client_doPublish(client);
// Delete our subscription (which also unmonitors all items)
if(!UA_Client_removeSubscription(client, subId))
printf("Subscription removed\n");
#endif
#ifdef ENABLE_METHODCALLS
/* Note: This example requires Namespace 0 Node 11489 (ServerType -> GetMonitoredItems)
FIXME: Provide a namespace 0 independant example on the server side
*/
UA_Variant input;
UA_String argString = UA_STRING("Hello Server");
UA_Variant_init(&input);
UA_Variant_setScalarCopy(&input, &argString, &UA_TYPES[UA_TYPES_STRING]);
UA_Int32 outputSize;
UA_Variant *output;
retval = UA_Client_CallServerMethod(client, UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
UA_NODEID_NUMERIC(1, 62541), 1, &input, &outputSize, &output);
if(retval == UA_STATUSCODE_GOOD) {
printf("Method call was successfull, and %i returned values available.\n", outputSize);
UA_Array_delete(output, &UA_TYPES[UA_TYPES_VARIANT], outputSize);
} else {
printf("Method call was unsuccessfull, and %x returned values available.\n", retval);
}
UA_Variant_deleteMembers(&input);
#endif
#ifdef ENABLE_ADDNODES
/* Create a new object type node */
// New ReferenceType
UA_AddNodesResponse *adResp = UA_Client_createReferenceTypeNode(client,
UA_EXPANDEDNODEID_NUMERIC(1, 12133), // Assign this NodeId (will fail if client is called multiple times)
UA_QUALIFIEDNAME(0, "NewReference"),
UA_LOCALIZEDTEXT("en_US", "TheNewReference"),
UA_LOCALIZEDTEXT("en_US", "References something that might or might not exist."),
UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
(UA_UInt32) 0, (UA_UInt32) 0,
UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
UA_LOCALIZEDTEXT("en_US", "IsNewlyReferencedBy"));
if (adResp->resultsSize > 0 && adResp->results[0].statusCode == UA_STATUSCODE_GOOD ) {
printf("Created 'NewReference' with numeric NodeID %u\n", adResp->results[0].addedNodeId.identifier.numeric );
}
UA_AddNodesResponse_deleteMembers(adResp);
free(adResp);
// New ObjectType
adResp = UA_Client_createObjectTypeNode(client,
UA_EXPANDEDNODEID_NUMERIC(1, 12134), // Assign this NodeId (will fail if client is called multiple times)
UA_QUALIFIEDNAME(0, "NewObjectType"),
UA_LOCALIZEDTEXT("en_US", "TheNewObjectType"),
UA_LOCALIZEDTEXT("en_US", "Put innovative description here."),
UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
(UA_UInt32) 0, (UA_UInt32) 0,
UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER));
if (adResp->resultsSize > 0 && adResp->results[0].statusCode == UA_STATUSCODE_GOOD ) {
printf("Created 'NewObjectType' with numeric NodeID %u\n", adResp->results[0].addedNodeId.identifier.numeric );
}
// New Object
adResp = UA_Client_createObjectNode(client,
UA_EXPANDEDNODEID_NUMERIC(1, 0), // Assign new/random NodeID
UA_QUALIFIEDNAME(0, "TheNewGreatNodeBrowseName"),
UA_LOCALIZEDTEXT("en_US", "TheNewGreatNode"),
UA_LOCALIZEDTEXT("de_DE", "Hier koennte Ihre Webung stehen!"),
UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
(UA_UInt32) 0, (UA_UInt32) 0,
UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER));
if (adResp->resultsSize > 0 && adResp->results[0].statusCode == UA_STATUSCODE_GOOD ) {
printf("Created 'NewObject' with numeric NodeID %u\n", adResp->results[0].addedNodeId.identifier.numeric );
}
UA_AddNodesResponse_deleteMembers(adResp);
free(adResp);
// New Integer Variable
UA_Variant *theValue = UA_Variant_new();
UA_Int32 *theValueDate = UA_Int32_new();
*theValueDate = 1234;
theValue->type = &UA_TYPES[UA_TYPES_INT32];
theValue->data = theValueDate;
adResp = UA_Client_createVariableNode(client,
UA_EXPANDEDNODEID_NUMERIC(1, 0), // Assign new/random NodeID
UA_QUALIFIEDNAME(0, "VariableNode"),
UA_LOCALIZEDTEXT("en_US", "TheNewVariableNode"),
UA_LOCALIZEDTEXT("en_US", "This integer is just amazing - it has digits and everything."),
UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
(UA_UInt32) 0, (UA_UInt32) 0,
UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
UA_NODEID_NUMERIC(0, UA_NS0ID_INT32),
theValue);
if (adResp->resultsSize > 0 && adResp->results[0].statusCode == UA_STATUSCODE_GOOD ) {
printf("Created 'NewVariable' with numeric NodeID %u\n", adResp->results[0].addedNodeId.identifier.numeric );
}
UA_AddNodesResponse_deleteMembers(adResp);
free(adResp);
free(theValue);
/* Done creating a new node*/
#endif
UA_Client_disconnect(client);
UA_Client_delete(client);
return UA_STATUSCODE_GOOD;
}
static UA_StatusCode
register_server_with_discovery_server(UA_Server *server,
const char* discoveryServerUrl,
const UA_Boolean isUnregister,
const char* semaphoreFilePath) {
if(!discoveryServerUrl) {
UA_LOG_ERROR(server->config.logger, UA_LOGCATEGORY_SERVER,
"No discovery server url provided");
return UA_STATUSCODE_BADINTERNALERROR;
}
/* Create the client */
UA_Client *client = UA_Client_new(UA_ClientConfig_default);
if(!client)
return UA_STATUSCODE_BADOUTOFMEMORY;
/* Connect the client */
UA_StatusCode retval = UA_Client_connect(client, discoveryServerUrl);
if(retval != UA_STATUSCODE_GOOD) {
UA_LOG_ERROR(server->config.logger, UA_LOGCATEGORY_CLIENT,
"Connecting to the discovery server failed with statuscode %s",
UA_StatusCode_name(retval));
UA_Client_delete(client);
return retval;
}
/* Prepare the request. Do not cleanup the request after the service call,
* as the members are stack-allocated or point into the server config. */
UA_RegisterServer2Request request;
UA_RegisterServer2Request_init(&request);
request.requestHeader.timestamp = UA_DateTime_now();
request.requestHeader.timeoutHint = 10000;
request.server.isOnline = !isUnregister;
request.server.serverUri = server->config.applicationDescription.applicationUri;
request.server.productUri = server->config.applicationDescription.productUri;
request.server.serverType = server->config.applicationDescription.applicationType;
request.server.gatewayServerUri = server->config.applicationDescription.gatewayServerUri;
if(semaphoreFilePath) {
#ifdef UA_ENABLE_DISCOVERY_SEMAPHORE
request.server.semaphoreFilePath =
UA_STRING((char*)(uintptr_t)semaphoreFilePath); /* dirty cast */
#else
UA_LOG_WARNING(server->config.logger, UA_LOGCATEGORY_CLIENT,
"Ignoring semaphore file path. open62541 not compiled "
"with UA_ENABLE_DISCOVERY_SEMAPHORE=ON");
#endif
}
request.server.serverNames = &server->config.applicationDescription.applicationName;
request.server.serverNamesSize = 1;
/* Copy the discovery urls from the server config and the network layers*/
size_t config_discurls = server->config.applicationDescription.discoveryUrlsSize;
size_t nl_discurls = server->config.networkLayersSize;
size_t total_discurls = config_discurls * nl_discurls;
request.server.discoveryUrls = (UA_String*)UA_alloca(sizeof(UA_String) * total_discurls);
request.server.discoveryUrlsSize = config_discurls + nl_discurls;
for(size_t i = 0; i < config_discurls; ++i)
request.server.discoveryUrls[i] = server->config.applicationDescription.discoveryUrls[i];
/* TODO: Add nl only if discoveryUrl not already present */
for(size_t i = 0; i < nl_discurls; ++i) {
UA_ServerNetworkLayer *nl = &server->config.networkLayers[i];
request.server.discoveryUrls[config_discurls + i] = nl->discoveryUrl;
}
UA_MdnsDiscoveryConfiguration mdnsConfig;
UA_MdnsDiscoveryConfiguration_init(&mdnsConfig);
request.discoveryConfigurationSize = 1;
request.discoveryConfiguration = UA_ExtensionObject_new();
UA_ExtensionObject_init(&request.discoveryConfiguration[0]);
request.discoveryConfiguration[0].encoding = UA_EXTENSIONOBJECT_DECODED_NODELETE;
request.discoveryConfiguration[0].content.decoded.type = &UA_TYPES[UA_TYPES_MDNSDISCOVERYCONFIGURATION];
request.discoveryConfiguration[0].content.decoded.data = &mdnsConfig;
mdnsConfig.mdnsServerName = server->config.mdnsServerName;
mdnsConfig.serverCapabilities = server->config.serverCapabilities;
mdnsConfig.serverCapabilitiesSize = server->config.serverCapabilitiesSize;
// First try with RegisterServer2, if that isn't implemented, use RegisterServer
UA_RegisterServer2Response response;
UA_RegisterServer2Response_init(&response);
__UA_Client_Service(client, &request, &UA_TYPES[UA_TYPES_REGISTERSERVER2REQUEST],
&response, &UA_TYPES[UA_TYPES_REGISTERSERVER2RESPONSE]);
UA_StatusCode serviceResult = response.responseHeader.serviceResult;
UA_RegisterServer2Response_deleteMembers(&response);
UA_ExtensionObject_delete(request.discoveryConfiguration);
if(serviceResult == UA_STATUSCODE_BADNOTIMPLEMENTED ||
serviceResult == UA_STATUSCODE_BADSERVICEUNSUPPORTED) {
/* Try RegisterServer */
UA_RegisterServerRequest request_fallback;
UA_RegisterServerRequest_init(&request_fallback);
/* Copy from RegisterServer2 request */
request_fallback.requestHeader = request.requestHeader;
request_fallback.server = request.server;
UA_RegisterServerResponse response_fallback;
UA_RegisterServerResponse_init(&response_fallback);
__UA_Client_Service(client, &request_fallback,
&UA_TYPES[UA_TYPES_REGISTERSERVERREQUEST],
&response_fallback,
&UA_TYPES[UA_TYPES_REGISTERSERVERRESPONSE]);
serviceResult = response_fallback.responseHeader.serviceResult;
UA_RegisterServerResponse_deleteMembers(&response_fallback);
}
if(serviceResult != UA_STATUSCODE_GOOD) {
UA_LOG_ERROR(server->config.logger, UA_LOGCATEGORY_CLIENT,
"RegisterServer/RegisterServer2 failed with statuscode %s",
UA_StatusCode_name(serviceResult));
}
UA_Client_disconnect(client);
UA_Client_delete(client);
return serviceResult;
}
int main(int argc, char *argv[]) {
UA_Client *client = UA_Client_new(UA_ClientConfig_standard, Logger_Stdout_new());
UA_StatusCode retval = UA_Client_connect(client, ClientNetworkLayerTCP_connect,
"opc.tcp://localhost:16664");
if(retval != UA_STATUSCODE_GOOD) {
UA_Client_delete(client);
return retval;
}
// Browse some objects
printf("Browsing nodes in objects folder:\n");
UA_BrowseRequest bReq;
UA_BrowseRequest_init(&bReq);
bReq.requestedMaxReferencesPerNode = 0;
bReq.nodesToBrowse = UA_BrowseDescription_new();
bReq.nodesToBrowseSize = 1;
bReq.nodesToBrowse[0].nodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER); //browse objects folder
bReq.nodesToBrowse[0].resultMask = UA_BROWSERESULTMASK_ALL; //return everything
UA_BrowseResponse bResp = UA_Client_browse(client, &bReq);
printf("%-9s %-16s %-16s %-16s\n", "NAMESPACE", "NODEID", "BROWSE NAME", "DISPLAY NAME");
for (int i = 0; i < bResp.resultsSize; ++i) {
for (int j = 0; j < bResp.results[i].referencesSize; ++j) {
UA_ReferenceDescription *ref = &(bResp.results[i].references[j]);
if(ref->nodeId.nodeId.identifierType == UA_NODEIDTYPE_NUMERIC) {
printf("%-9d %-16d %-16.*s %-16.*s\n", ref->browseName.namespaceIndex,
ref->nodeId.nodeId.identifier.numeric, ref->browseName.name.length,
ref->browseName.name.data, ref->displayName.text.length, ref->displayName.text.data);
} else if(ref->nodeId.nodeId.identifierType == UA_NODEIDTYPE_STRING) {
printf("%-9d %-16.*s %-16.*s %-16.*s\n", ref->browseName.namespaceIndex,
ref->nodeId.nodeId.identifier.string.length, ref->nodeId.nodeId.identifier.string.data,
ref->browseName.name.length, ref->browseName.name.data, ref->displayName.text.length,
ref->displayName.text.data);
}
//TODO: distinguish further types
}
}
UA_BrowseRequest_deleteMembers(&bReq);
UA_BrowseResponse_deleteMembers(&bResp);
UA_Int32 value = 0;
// Read node's value
printf("\nReading the value of node (1, \"the.answer\"):\n");
UA_ReadRequest rReq;
UA_ReadRequest_init(&rReq);
rReq.nodesToRead = UA_ReadValueId_new();
rReq.nodesToReadSize = 1;
rReq.nodesToRead[0].nodeId = UA_NODEID_STRING_ALLOC(1, "the.answer"); /* assume this node exists */
rReq.nodesToRead[0].attributeId = UA_ATTRIBUTEID_VALUE;
UA_ReadResponse rResp = UA_Client_read(client, &rReq);
if(rResp.responseHeader.serviceResult == UA_STATUSCODE_GOOD &&
rResp.resultsSize > 0 && rResp.results[0].hasValue &&
UA_Variant_isScalar(&rResp.results[0].value) &&
rResp.results[0].value.type == &UA_TYPES[UA_TYPES_INT32]) {
value = *(UA_Int32*)rResp.results[0].value.data;
printf("the value is: %i\n", value);
}
UA_ReadRequest_deleteMembers(&rReq);
UA_ReadResponse_deleteMembers(&rResp);
value++;
// Write node's value
printf("\nWriting a value of node (1, \"the.answer\"):\n");
UA_WriteRequest wReq;
UA_WriteRequest_init(&wReq);
wReq.nodesToWrite = UA_WriteValue_new();
wReq.nodesToWriteSize = 1;
wReq.nodesToWrite[0].nodeId = UA_NODEID_STRING_ALLOC(1, "the.answer"); /* assume this node exists */
wReq.nodesToWrite[0].attributeId = UA_ATTRIBUTEID_VALUE;
wReq.nodesToWrite[0].value.hasValue = UA_TRUE;
wReq.nodesToWrite[0].value.value.type = &UA_TYPES[UA_TYPES_INT32];
wReq.nodesToWrite[0].value.value.storageType = UA_VARIANT_DATA_NODELETE; //do not free the integer on deletion
wReq.nodesToWrite[0].value.value.data = &value;
UA_WriteResponse wResp = UA_Client_write(client, &wReq);
if(wResp.responseHeader.serviceResult == UA_STATUSCODE_GOOD)
printf("the new value is: %i\n", value);
UA_WriteRequest_deleteMembers(&wReq);
UA_WriteResponse_deleteMembers(&wResp);
#ifdef ENABLE_ADDNODES
/* Create a new object type node */
// New ReferenceType
UA_AddNodesResponse *adResp = UA_Client_createReferenceTypeNode(client,
UA_EXPANDEDNODEID_NUMERIC(1, 12133), // Assign this NodeId (will fail if client is called multiple times)
UA_QUALIFIEDNAME(0, "NewReference"),
UA_LOCALIZEDTEXT("en_US", "TheNewReference"),
UA_LOCALIZEDTEXT("en_US", "References something that might or might not exist."),
UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
(UA_UInt32) 0, (UA_UInt32) 0,
UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
UA_LOCALIZEDTEXT("en_US", "IsNewlyReferencedBy"));
if (adResp->resultsSize > 0 && adResp->results[0].statusCode == UA_STATUSCODE_GOOD ) {
printf("Created 'NewReference' with numeric NodeID %u\n", adResp->results[0].addedNodeId.identifier.numeric );
}
UA_AddNodesResponse_deleteMembers(adResp);
free(adResp);
// New ObjectType
adResp = UA_Client_createObjectTypeNode(client,
UA_EXPANDEDNODEID_NUMERIC(1, 12134), // Assign this NodeId (will fail if client is called multiple times)
UA_QUALIFIEDNAME(0, "NewObjectType"),
UA_LOCALIZEDTEXT("en_US", "TheNewObjectType"),
UA_LOCALIZEDTEXT("en_US", "Put innovative description here."),
UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
(UA_UInt32) 0, (UA_UInt32) 0,
UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER));
if (adResp->resultsSize > 0 && adResp->results[0].statusCode == UA_STATUSCODE_GOOD ) {
printf("Created 'NewObjectType' with numeric NodeID %u\n", adResp->results[0].addedNodeId.identifier.numeric );
}
// New Object
adResp = UA_Client_createObjectNode(client,
UA_EXPANDEDNODEID_NUMERIC(1, 0), // Assign new/random NodeID
UA_QUALIFIEDNAME(0, "TheNewGreatNodeBrowseName"),
UA_LOCALIZEDTEXT("en_US", "TheNewGreatNode"),
UA_LOCALIZEDTEXT("de_DE", "Hier koennte Ihre Webung stehen!"),
UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
(UA_UInt32) 0, (UA_UInt32) 0,
UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER));
if (adResp->resultsSize > 0 && adResp->results[0].statusCode == UA_STATUSCODE_GOOD ) {
printf("Created 'NewObject' with numeric NodeID %u\n", adResp->results[0].addedNodeId.identifier.numeric );
}
UA_AddNodesResponse_deleteMembers(adResp);
free(adResp);
// New Integer Variable
UA_Variant *theValue = UA_Variant_new();
UA_Int32 *theValueDate = UA_Int32_new();
*theValueDate = 1234;
theValue->type = &UA_TYPES[UA_TYPES_INT32];
theValue->data = theValueDate;
adResp = UA_Client_createVariableNode(client,
UA_EXPANDEDNODEID_NUMERIC(1, 0), // Assign new/random NodeID
UA_QUALIFIEDNAME(0, "VariableNode"),
UA_LOCALIZEDTEXT("en_US", "TheNewVariableNode"),
UA_LOCALIZEDTEXT("en_US", "This integer is just amazing - it has digits and everything."),
UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
(UA_UInt32) 0, (UA_UInt32) 0,
UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
UA_NODEID_NUMERIC(0, UA_NS0ID_INT32),
theValue);
if (adResp->resultsSize > 0 && adResp->results[0].statusCode == UA_STATUSCODE_GOOD ) {
printf("Created 'NewVariable' with numeric NodeID %u\n", adResp->results[0].addedNodeId.identifier.numeric );
}
UA_AddNodesResponse_deleteMembers(adResp);
free(adResp);
free(theValue);
/* Done creating a new node*/
#endif
UA_Client_disconnect(client);
UA_Client_delete(client);
return UA_STATUSCODE_GOOD;
}
static void setup(void) {
if (!(MUTEX_INIT(serverMutex))) {
fprintf(stderr, "Server mutex was not created correctly.\n");
exit(1);
}
running = true;
server = UA_Server_new();
UA_ServerConfig *config = UA_Server_getConfig(server);
UA_ServerConfig_setDefault(config);
#ifdef UA_ENABLE_HISTORIZING
gathering = (UA_HistoryDataGathering*)UA_calloc(1, sizeof(UA_HistoryDataGathering));
*gathering = UA_HistoryDataGathering_Default(1);
config->historyDatabase = UA_HistoryDatabase_default(*gathering);
#endif
UA_StatusCode retval = UA_Server_run_startup(server);
if(retval != UA_STATUSCODE_GOOD) {
fprintf(stderr, "Error while calling Server_run_startup. %s\n", UA_StatusCode_name(retval));
UA_Server_delete(server);
exit(1);
}
THREAD_CREATE(server_thread, serverloop);
/* Define the attribute of the uint32 variable node */
UA_VariableAttributes attr = UA_VariableAttributes_default;
UA_UInt32 myUint32 = 40;
UA_Variant_setScalar(&attr.value, &myUint32, &UA_TYPES[UA_TYPES_UINT32]);
attr.description = UA_LOCALIZEDTEXT("en-US","the answer");
attr.displayName = UA_LOCALIZEDTEXT("en-US","the answer");
attr.dataType = UA_TYPES[UA_TYPES_UINT32].typeId;
attr.accessLevel = UA_ACCESSLEVELMASK_READ | UA_ACCESSLEVELMASK_WRITE | UA_ACCESSLEVELMASK_HISTORYREAD | UA_ACCESSLEVELMASK_HISTORYWRITE;
attr.historizing = true;
/* Add the variable node to the information model */
UA_NodeId uint32NodeId = UA_NODEID_STRING(1, "the.answer");
UA_QualifiedName uint32Name = UA_QUALIFIEDNAME(1, "the answer");
parentNodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER);
parentReferenceNodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES);
UA_NodeId_init(&outNodeId);
retval = UA_Server_addVariableNode(server, uint32NodeId, parentNodeId,
parentReferenceNodeId, uint32Name,
UA_NODEID_NUMERIC(0, UA_NS0ID_BASEDATAVARIABLETYPE),
attr, NULL, &outNodeId);
if (retval != UA_STATUSCODE_GOOD) {
fprintf(stderr, "Error adding variable node. %s\n", UA_StatusCode_name(retval));
UA_Server_delete(server);
exit(1);
}
client = UA_Client_new();
UA_ClientConfig_setDefault(UA_Client_getConfig(client));
retval = UA_Client_connect(client, "opc.tcp://localhost:4840");
if (retval != UA_STATUSCODE_GOOD) {
fprintf(stderr, "Client can not connect to opc.tcp://localhost:4840. %s\n", UA_StatusCode_name(retval));
UA_Client_delete(client);
UA_Server_delete(server);
exit(1);
}
UA_Client_recv = client->connection.recv;
client->connection.recv = UA_Client_recvTesting;
}
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;
}
