END_TEST
#ifdef UA_ENABLE_DISCOVERY_SEMAPHORE
#ifndef WIN32
#define SEMAPHORE_PATH "/tmp/open62541-unit-test-semaphore"
#else
#define SEMAPHORE_PATH ".\\open62541-unit-test-semaphore"
#endif
START_TEST(Server_register_semaphore) {
// create the semaphore
#ifndef WIN32
int fd = open(SEMAPHORE_PATH, O_RDWR|O_CREAT, S_IRWXU | S_IRWXG | S_IRWXO);
ck_assert_int_ne(fd, -1);
close(fd);
#else
FILE *fp;
fopen_s(&fp, SEMAPHORE_PATH, "ab+");
ck_assert_ptr_ne(fp, NULL);
fclose(fp);
#endif
UA_Client *clientRegister = UA_Client_new();
UA_ClientConfig_setDefault(UA_Client_getConfig(clientRegister));
UA_StatusCode retval = UA_Client_connect_noSession(clientRegister, "opc.tcp://localhost:4840");
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
retval = UA_Server_register_discovery(server_register, clientRegister, SEMAPHORE_PATH);
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
UA_Client_disconnect(clientRegister);
UA_Client_delete(clientRegister);
}
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);
}
static void UA_Client_deleteMembers(UA_Client* client){
UA_Client_disconnect(client);
UA_Connection_deleteMembers(&client->connection);
UA_SecureChannel_deleteMembersCleanup(&client->channel);
if(client->endpointUrl.data)
UA_String_deleteMembers(&client->endpointUrl);
UA_UserTokenPolicy_deleteMembers(&client->token);
}
} 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
static void
FindOnNetworkAndCheck(UA_String expectedServerNames[], size_t expectedServerNamesSize,
const char *filterUri, const char *filterLocale,
const char** filterCapabilities, size_t filterCapabilitiesSize) {
UA_Client *client = UA_Client_new();
UA_ClientConfig_setDefault(UA_Client_getConfig(client));
UA_ServerOnNetwork* serverOnNetwork = NULL;
size_t serverOnNetworkSize = 0;
size_t serverCapabilityFilterSize = 0;
UA_String *serverCapabilityFilter = NULL;
if(filterCapabilitiesSize) {
serverCapabilityFilterSize = filterCapabilitiesSize;
serverCapabilityFilter = (UA_String*)UA_malloc(sizeof(UA_String) * filterCapabilitiesSize);
for(size_t i = 0; i < filterCapabilitiesSize; i++)
serverCapabilityFilter[i] = UA_String_fromChars(filterCapabilities[i]);
}
UA_StatusCode retval =
UA_Client_findServersOnNetwork(client, "opc.tcp://localhost:4840", 0, 0,
serverCapabilityFilterSize, serverCapabilityFilter,
&serverOnNetworkSize, &serverOnNetwork);
if(serverCapabilityFilterSize)
UA_Array_delete(serverCapabilityFilter, serverCapabilityFilterSize,
&UA_TYPES[UA_TYPES_STRING]);
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
// only the discovery server is expected
ck_assert_uint_eq(serverOnNetworkSize , expectedServerNamesSize);
if(expectedServerNamesSize > 0)
ck_assert_ptr_ne(serverOnNetwork, NULL);
if(serverOnNetwork != NULL) {
for(size_t i = 0; i < expectedServerNamesSize; i++) {
UA_Boolean expectedServerNameInServerOnNetwork = false;
for(size_t j = 0; j < expectedServerNamesSize && !expectedServerNameInServerOnNetwork; j++) {
expectedServerNameInServerOnNetwork = UA_String_equal(&serverOnNetwork[j].serverName,
&expectedServerNames[i]);
}
ck_assert_msg(expectedServerNameInServerOnNetwork, "Expected %.*s in serverOnNetwork list, but not found",
expectedServerNames[i].length, expectedServerNames[i].data);
}
}
UA_Array_delete(serverOnNetwork, serverOnNetworkSize, &UA_TYPES[UA_TYPES_SERVERONNETWORK]);
UA_Client_disconnect(client);
UA_Client_delete(client);
}
END_TEST
START_TEST(Client_pass_fail) {
UA_Client *client = UA_Client_new(UA_ClientConfig_default);
UA_StatusCode retval = UA_Client_connect_username(client, "opc.tcp://localhost:4840", "user1", "secret");
ck_assert_uint_eq(retval, UA_STATUSCODE_BADUSERACCESSDENIED);
UA_Client_disconnect(client);
UA_Client_delete(client);
}
END_TEST
START_TEST(Client_user_pass_ok) {
UA_Client *client = UA_Client_new(UA_ClientConfig_default);
UA_StatusCode retval = UA_Client_connect_username(client, "opc.tcp://localhost:4840", "user1", "password");
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
UA_Client_disconnect(client);
UA_Client_delete(client);
}
END_TEST
START_TEST(Server_unregister) {
UA_Client *clientRegister = UA_Client_new();
UA_ClientConfig_setDefault(UA_Client_getConfig(clientRegister));
UA_StatusCode retval = UA_Client_connect_noSession(clientRegister, "opc.tcp://localhost:4840");
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
retval = UA_Server_unregister_discovery(server_register, clientRegister);
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
UA_Client_disconnect(clientRegister);
UA_Client_delete(clientRegister);
}
END_TEST
START_TEST(Server_unregister_periodic) {
// wait for first register delay
UA_fakeSleep(1000);
UA_realSleep(1000);
UA_Server_removeRepeatedCallback(server_register, periodicRegisterCallbackId);
UA_StatusCode retval = UA_Server_unregister_discovery(server_register, clientRegisterRepeated);
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
UA_Client_disconnect(clientRegisterRepeated);
UA_Client_delete(clientRegisterRepeated);
clientRegisterRepeated=NULL;
}
} END_TEST
START_TEST(Client_user_fail) {
UA_Client *client = UA_Client_new();
UA_ClientConfig_setDefault(UA_Client_getConfig(client));
UA_StatusCode retval =
UA_Client_connect_username(client, "opc.tcp://localhost:4840", "user0", "password");
ck_assert_uint_eq(retval, UA_STATUSCODE_BADUSERACCESSDENIED);
UA_Client_disconnect(client);
UA_Client_delete(client);
} END_TEST
static void teardown(void) {
removeSubscription();
*running = false;
THREAD_JOIN(server_thread);
UA_Server_run_shutdown(server);
UA_Boolean_delete(running);
UA_Server_delete(server);
UA_ServerConfig_delete(config);
UA_Array_delete(selectClauses, nSelectClauses, &UA_TYPES[UA_TYPES_SIMPLEATTRIBUTEOPERAND]);
UA_Client_disconnect(client);
UA_Client_delete(client);
}
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);
}
} 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
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(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);
}
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);
}
static void teardown(void) {
/* cleanup */
UA_Client_disconnect(client);
UA_Client_delete(client);
running = false;
THREAD_JOIN(server_thread);
UA_NodeId_deleteMembers(&parentNodeId);
UA_NodeId_deleteMembers(&parentReferenceNodeId);
UA_NodeId_deleteMembers(&outNodeId);
UA_Server_run_shutdown(server);
UA_Server_delete(server);
#ifdef UA_ENABLE_HISTORIZING
UA_free(gathering);
#endif
if (!MUTEX_DESTROY(serverMutex)) {
fprintf(stderr, "Server mutex was not destroyed correctly.\n");
exit(1);
}
}
END_TEST
START_TEST(Client_no_connection) {
UA_Client *client = UA_Client_new(UA_ClientConfig_default);
UA_Boolean connected = false;
UA_StatusCode retval = UA_Client_connect_async(client, "opc.tcp://localhost:4840", onConnect,
&connected);
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
UA_Client_recv = client->connection.recv;
client->connection.recv = UA_Client_recvTesting;
//simulating unconnected server
UA_Client_recvTesting_result = UA_STATUSCODE_BADCONNECTIONCLOSED;
retval = UA_Client_run_iterate(client, 0);
ck_assert_uint_eq(retval, UA_STATUSCODE_BADCONNECTIONCLOSED);
UA_Client_disconnect(client);
UA_Client_delete(client);
}
UA_StatusCode
processOPNResponseAsync(void *application, UA_Connection *connection,
UA_ByteString *chunk) {
UA_Client *client = (UA_Client*) application;
UA_StatusCode retval = UA_SecureChannel_decryptAddChunk(&client->channel, chunk, true);
client->connectStatus = retval;
if(retval != UA_STATUSCODE_GOOD)
goto error;
UA_SecureChannel_processCompleteMessages(&client->channel, client, processDecodedOPNResponseAsync);
if(client->state < UA_CLIENTSTATE_SECURECHANNEL) {
retval = UA_STATUSCODE_BADSECURECHANNELCLOSED;
goto error;
}
retval = UA_SecureChannel_persistIncompleteMessages(&client->channel);
if(retval != UA_STATUSCODE_GOOD)
goto error;
retval = UA_SecureChannel_generateNewKeys(&client->channel);
if(retval != UA_STATUSCODE_GOOD)
goto error;
/* Following requests and responses */
UA_UInt32 reqId;
if(client->endpointsHandshake)
retval = requestGetEndpoints (client, &reqId);
else
retval = requestSession (client, &reqId);
if(retval != UA_STATUSCODE_GOOD)
goto error;
return retval;
error:
UA_Client_disconnect(client);
return retval;
}
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(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();
}
/* OPN messges to renew the channel are sent asynchronous */
static UA_StatusCode
openSecureChannelAsync(UA_Client *client/*, UA_Boolean renew*/) {
/* Check if sc is still valid */
/*if(renew && client->nextChannelRenewal - UA_DateTime_nowMonotonic () > 0)
return UA_STATUSCODE_GOOD;*/
UA_Connection *conn = &client->connection;
if(conn->state != UA_CONNECTION_ESTABLISHED)
return UA_STATUSCODE_BADSERVERNOTCONNECTED;
/* Prepare the OpenSecureChannelRequest */
UA_OpenSecureChannelRequest opnSecRq;
UA_OpenSecureChannelRequest_init(&opnSecRq);
opnSecRq.requestHeader.timestamp = UA_DateTime_now();
opnSecRq.requestHeader.authenticationToken = client->authenticationToken;
/*if(renew) {
opnSecRq.requestType = UA_SECURITYTOKENREQUESTTYPE_RENEW;
UA_LOG_DEBUG(&client->config.logger, UA_LOGCATEGORY_SECURECHANNEL,
"Requesting to renew the SecureChannel");
} else {*/
opnSecRq.requestType = UA_SECURITYTOKENREQUESTTYPE_ISSUE;
UA_LOG_DEBUG(&client->config.logger, UA_LOGCATEGORY_SECURECHANNEL,
"Requesting to open a SecureChannel");
//}
opnSecRq.securityMode = client->channel.securityMode;
opnSecRq.clientNonce = client->channel.localNonce;
opnSecRq.requestedLifetime = client->config.secureChannelLifeTime;
/* Prepare the entry for the linked list */
UA_UInt32 requestId = ++client->requestId;
/*AsyncServiceCall *ac = NULL;
if(renew) {
ac = (AsyncServiceCall*)UA_malloc(sizeof(AsyncServiceCall));
if (!ac)
return UA_STATUSCODE_BADOUTOFMEMORY;
ac->callback =
(UA_ClientAsyncServiceCallback) processDecodedOPNResponseAsync;
ac->responseType = &UA_TYPES[UA_TYPES_OPENSECURECHANNELRESPONSE];
ac->requestId = requestId;
ac->userdata = NULL;
}*/
/* Send the OPN message */
UA_StatusCode retval = UA_SecureChannel_sendAsymmetricOPNMessage (
&client->channel, requestId, &opnSecRq,
&UA_TYPES[UA_TYPES_OPENSECURECHANNELREQUEST]);
client->connectStatus = retval;
if(retval != UA_STATUSCODE_GOOD) {
client->connectStatus = retval;
UA_LOG_ERROR(&client->config.logger, UA_LOGCATEGORY_SECURECHANNEL,
"Sending OPN message failed with error %s",
UA_StatusCode_name(retval));
UA_Client_disconnect(client);
//if(renew)
// UA_free(ac);
return retval;
}
UA_LOG_DEBUG(&client->config.logger, UA_LOGCATEGORY_SECURECHANNEL,
"OPN message sent");
/* Store the entry for async processing and return */
/*if(renew) {
LIST_INSERT_HEAD(&client->asyncServiceCalls, ac, pointers);
return retval;
}*/
return retval;
}
static void
processDecodedOPNResponseAsync(void *application, UA_SecureChannel *channel,
UA_MessageType messageType,
UA_UInt32 requestId,
const UA_ByteString *message) {
/* Does the request id match? */
UA_Client *client = (UA_Client*)application;
if(requestId != client->requestId) {
UA_Client_disconnect(client);
return;
}
/* Is the content of the expected type? */
size_t offset = 0;
UA_NodeId responseId;
UA_NodeId expectedId = UA_NODEID_NUMERIC(
0, UA_TYPES[UA_TYPES_OPENSECURECHANNELRESPONSE].binaryEncodingId);
UA_StatusCode retval = UA_NodeId_decodeBinary(message, &offset,
&responseId);
if(retval != UA_STATUSCODE_GOOD) {
UA_Client_disconnect(client);
return;
}
if(!UA_NodeId_equal(&responseId, &expectedId)) {
UA_NodeId_deleteMembers(&responseId);
UA_Client_disconnect(client);
return;
}
UA_NodeId_deleteMembers (&responseId);
/* Decode the response */
UA_OpenSecureChannelResponse response;
retval = UA_OpenSecureChannelResponse_decodeBinary(message, &offset,
&response);
if(retval != UA_STATUSCODE_GOOD) {
UA_Client_disconnect(client);
return;
}
/* Response.securityToken.revisedLifetime is UInt32 we need to cast it to
* DateTime=Int64 we take 75% of lifetime to start renewing as described in
* standard */
client->nextChannelRenewal = UA_DateTime_nowMonotonic()
+ (UA_DateTime) (response.securityToken.revisedLifetime
* (UA_Double) UA_DATETIME_MSEC * 0.75);
/* Replace the token and nonce */
UA_ChannelSecurityToken_deleteMembers(&client->channel.securityToken);
UA_ByteString_deleteMembers(&client->channel.remoteNonce);
client->channel.securityToken = response.securityToken;
client->channel.remoteNonce = response.serverNonce;
UA_ResponseHeader_deleteMembers(&response.responseHeader); /* the other members were moved */
if(client->channel.state == UA_SECURECHANNELSTATE_OPEN)
UA_LOG_DEBUG(&client->config.logger, UA_LOGCATEGORY_SECURECHANNEL, "SecureChannel renewed");
else
UA_LOG_DEBUG(&client->config.logger, UA_LOGCATEGORY_SECURECHANNEL, "SecureChannel opened");
client->channel.state = UA_SECURECHANNELSTATE_OPEN;
if(client->state < UA_CLIENTSTATE_SECURECHANNEL)
setClientState(client, UA_CLIENTSTATE_SECURECHANNEL);
}
END_TEST
static void
FindAndCheck(const UA_String expectedUris[], size_t expectedUrisSize,
const UA_String expectedLocales[],
const UA_String expectedNames[],
const char *filterUri,
const char *filterLocale) {
UA_Client *client = UA_Client_new();
UA_ClientConfig_setDefault(UA_Client_getConfig(client));
UA_ApplicationDescription* applicationDescriptionArray = NULL;
size_t applicationDescriptionArraySize = 0;
size_t serverUrisSize = 0;
UA_String *serverUris = NULL;
if(filterUri) {
serverUrisSize = 1;
serverUris = UA_String_new();
serverUris[0] = UA_String_fromChars(filterUri);
}
size_t localeIdsSize = 0;
UA_String *localeIds = NULL;
if(filterLocale) {
localeIdsSize = 1;
localeIds = UA_String_new();
localeIds[0] = UA_String_fromChars(filterLocale);
}
UA_StatusCode retval =
UA_Client_findServers(client, "opc.tcp://localhost:4840",
serverUrisSize, serverUris, localeIdsSize, localeIds,
&applicationDescriptionArraySize, &applicationDescriptionArray);
if(filterUri)
UA_Array_delete(serverUris, serverUrisSize, &UA_TYPES[UA_TYPES_STRING]);
if(filterLocale)
UA_Array_delete(localeIds, localeIdsSize, &UA_TYPES[UA_TYPES_STRING]);
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
// only the discovery server is expected
ck_assert_uint_eq(applicationDescriptionArraySize, expectedUrisSize);
ck_assert(applicationDescriptionArray != NULL);
for(size_t i = 0; i < expectedUrisSize; ++i) {
ck_assert(UA_String_equal(&applicationDescriptionArray[i].applicationUri,
&expectedUris[i]));
if(expectedNames)
ck_assert(UA_String_equal(&applicationDescriptionArray[i].applicationName.text,
&expectedNames[i]));
if (expectedLocales)
ck_assert(UA_String_equal(&applicationDescriptionArray[i].applicationName.locale,
&expectedLocales[i]));
}
UA_Array_delete(applicationDescriptionArray, applicationDescriptionArraySize,
&UA_TYPES[UA_TYPES_APPLICATIONDESCRIPTION]);
UA_Client_disconnect(client);
UA_Client_delete(client);
}
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;
}
} 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
UA_StatusCode
UA_Client_connect_async(UA_Client *client, const char *endpointUrl,
UA_ClientAsyncServiceCallback callback,
void *userdata) {
UA_LOG_TRACE(&client->config.logger, UA_LOGCATEGORY_CLIENT,
"Client internal async");
if(client->state >= UA_CLIENTSTATE_WAITING_FOR_ACK)
return UA_STATUSCODE_GOOD;
UA_ChannelSecurityToken_init(&client->channel.securityToken);
client->channel.state = UA_SECURECHANNELSTATE_FRESH;
client->endpointsHandshake = true;
client->channel.sendSequenceNumber = 0;
client->requestId = 0;
UA_String_deleteMembers(&client->endpointUrl);
client->endpointUrl = UA_STRING_ALLOC(endpointUrl);
UA_StatusCode retval = UA_STATUSCODE_GOOD;
client->connection =
client->config.initConnectionFunc(client->config.localConnectionConfig,
client->endpointUrl,
client->config.timeout, &client->config.logger);
if(client->connection.state != UA_CONNECTION_OPENING) {
UA_LOG_TRACE(&client->config.logger, UA_LOGCATEGORY_CLIENT,
"Could not init async connection");
retval = UA_STATUSCODE_BADCONNECTIONCLOSED;
goto cleanup;
}
/* Set the channel SecurityMode if not done so far */
if(client->channel.securityMode == UA_MESSAGESECURITYMODE_INVALID)
client->channel.securityMode = UA_MESSAGESECURITYMODE_NONE;
/* Set the channel SecurityPolicy if not done so far */
if(!client->channel.securityPolicy) {
UA_SecurityPolicy *sp =
getSecurityPolicy(client, UA_STRING("http://opcfoundation.org/UA/SecurityPolicy#None"));
if(!sp) {
retval = UA_STATUSCODE_BADINTERNALERROR;
goto cleanup;
}
UA_ByteString remoteCertificate = UA_BYTESTRING_NULL;
retval = UA_SecureChannel_setSecurityPolicy(&client->channel, sp,
&remoteCertificate);
if(retval != UA_STATUSCODE_GOOD)
goto cleanup;
}
client->asyncConnectCall.callback = callback;
client->asyncConnectCall.userdata = userdata;
if(!client->connection.connectCallbackID) {
UA_LOG_TRACE(&client->config.logger, UA_LOGCATEGORY_CLIENT,
"Adding async connection callback");
retval = UA_Client_addRepeatedCallback(
client, client->config.pollConnectionFunc, &client->connection, 100.0,
&client->connection.connectCallbackID);
if(retval != UA_STATUSCODE_GOOD)
goto cleanup;
}
retval = UA_SecureChannel_generateLocalNonce(&client->channel);
if(retval != UA_STATUSCODE_GOOD)
goto cleanup;
/* Delete async service. TODO: Move this from connect to the disconnect/cleanup phase */
UA_Client_AsyncService_removeAll(client, UA_STATUSCODE_BADSHUTDOWN);
#ifdef UA_ENABLE_SUBSCRIPTIONS
client->currentlyOutStandingPublishRequests = 0;
#endif
UA_NodeId_deleteMembers(&client->authenticationToken);
/* Generate new local and remote key */
retval = UA_SecureChannel_generateNewKeys(&client->channel);
if(retval != UA_STATUSCODE_GOOD)
goto cleanup;
return retval;
cleanup:
UA_LOG_TRACE(&client->config.logger, UA_LOGCATEGORY_CLIENT,
"Failure during async connect");
UA_Client_disconnect(client);
return retval;
}
int main(void) {
/*
* Example for calling FindServersOnNetwork
*/
{
UA_ServerOnNetwork *serverOnNetwork = NULL;
size_t serverOnNetworkSize = 0;
UA_Client *client = UA_Client_new();
UA_ClientConfig_setDefault(UA_Client_getConfig(client));
UA_StatusCode retval = UA_Client_findServersOnNetwork(client, DISCOVERY_SERVER_ENDPOINT, 0, 0,
0, NULL, &serverOnNetworkSize, &serverOnNetwork);
if(retval != UA_STATUSCODE_GOOD) {
UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER,
"Could not call FindServersOnNetwork service. "
"Is the discovery server started? StatusCode %s",
UA_StatusCode_name(retval));
UA_Client_delete(client);
return EXIT_FAILURE;
}
// output all the returned/registered servers
for(size_t i = 0; i < serverOnNetworkSize; i++) {
UA_ServerOnNetwork *server = &serverOnNetwork[i];
printf("Server[%lu]: %.*s", (unsigned long) i,
(int) server->serverName.length, server->serverName.data);
printf("\n\tRecordID: %d", server->recordId);
printf("\n\tDiscovery URL: %.*s", (int) server->discoveryUrl.length,
server->discoveryUrl.data);
printf("\n\tCapabilities: ");
for(size_t j = 0; j < server->serverCapabilitiesSize; j++) {
printf("%.*s,", (int) server->serverCapabilities[j].length,
server->serverCapabilities[j].data);
}
printf("\n\n");
}
UA_Array_delete(serverOnNetwork, serverOnNetworkSize,
&UA_TYPES[UA_TYPES_SERVERONNETWORK]);
}
/* Example for calling FindServers */
UA_ApplicationDescription *applicationDescriptionArray = NULL;
size_t applicationDescriptionArraySize = 0;
UA_StatusCode retval;
{
UA_Client *client = UA_Client_new();
UA_ClientConfig_setDefault(UA_Client_getConfig(client));
retval = UA_Client_findServers(client, DISCOVERY_SERVER_ENDPOINT, 0, NULL, 0, NULL,
&applicationDescriptionArraySize, &applicationDescriptionArray);
UA_Client_delete(client);
}
if(retval != UA_STATUSCODE_GOOD) {
UA_LOG_ERROR(UA_Log_Stdout, UA_LOGCATEGORY_SERVER, "Could not call FindServers service. "
"Is the discovery server started? StatusCode %s", UA_StatusCode_name(retval));
return EXIT_FAILURE;
}
// output all the returned/registered servers
for(size_t i = 0; i < applicationDescriptionArraySize; i++) {
UA_ApplicationDescription *description = &applicationDescriptionArray[i];
printf("Server[%lu]: %.*s", (unsigned long) i, (int) description->applicationUri.length,
description->applicationUri.data);
printf("\n\tName: %.*s", (int) description->applicationName.text.length,
description->applicationName.text.data);
printf("\n\tApplication URI: %.*s", (int) description->applicationUri.length,
description->applicationUri.data);
printf("\n\tProduct URI: %.*s", (int) description->productUri.length,
description->productUri.data);
printf("\n\tType: ");
switch(description->applicationType) {
case UA_APPLICATIONTYPE_SERVER:
printf("Server");
break;
case UA_APPLICATIONTYPE_CLIENT:
printf("Client");
break;
case UA_APPLICATIONTYPE_CLIENTANDSERVER:
printf("Client and Server");
break;
case UA_APPLICATIONTYPE_DISCOVERYSERVER:
printf("Discovery Server");
break;
default:
printf("Unknown");
}
printf("\n\tDiscovery URLs:");
for(size_t j = 0; j < description->discoveryUrlsSize; j++) {
printf("\n\t\t[%lu]: %.*s", (unsigned long) j,
(int) description->discoveryUrls[j].length,
description->discoveryUrls[j].data);
}
printf("\n\n");
}
/*
* Now that we have the list of available servers, call get endpoints on all of them
*/
printf("-------- Server Endpoints --------\n");
for(size_t i = 0; i < applicationDescriptionArraySize; i++) {
UA_ApplicationDescription *description = &applicationDescriptionArray[i];
if(description->discoveryUrlsSize == 0) {
UA_LOG_INFO(UA_Log_Stdout, UA_LOGCATEGORY_CLIENT,
"[GetEndpoints] Server %.*s did not provide any discovery urls. Skipping.",
(int)description->applicationUri.length, description->applicationUri.data);
continue;
}
printf("\nEndpoints for Server[%lu]: %.*s\n", (unsigned long) i,
(int) description->applicationUri.length, description->applicationUri.data);
UA_Client *client = UA_Client_new();
UA_ClientConfig_setDefault(UA_Client_getConfig(client));
char *discoveryUrl = (char *) UA_malloc(sizeof(char) * description->discoveryUrls[0].length + 1);
memcpy(discoveryUrl, description->discoveryUrls[0].data, description->discoveryUrls[0].length);
discoveryUrl[description->discoveryUrls[0].length] = '\0';
UA_EndpointDescription *endpointArray = NULL;
size_t endpointArraySize = 0;
//TODO: adapt to the new async getEndpoint
retval = UA_Client_getEndpoints(client, discoveryUrl, &endpointArraySize, &endpointArray);
UA_free(discoveryUrl);
if(retval != UA_STATUSCODE_GOOD) {
UA_Client_disconnect(client);
UA_Client_delete(client);
break;
}
for(size_t j = 0; j < endpointArraySize; j++) {
UA_EndpointDescription *endpoint = &endpointArray[j];
printf("\n\tEndpoint[%lu]:", (unsigned long) j);
printf("\n\t\tEndpoint URL: %.*s", (int) endpoint->endpointUrl.length, endpoint->endpointUrl.data);
printf("\n\t\tTransport profile URI: %.*s", (int) endpoint->transportProfileUri.length,
endpoint->transportProfileUri.data);
printf("\n\t\tSecurity Mode: ");
switch(endpoint->securityMode) {
case UA_MESSAGESECURITYMODE_INVALID:
printf("Invalid");
break;
case UA_MESSAGESECURITYMODE_NONE:
printf("None");
break;
case UA_MESSAGESECURITYMODE_SIGN:
printf("Sign");
break;
case UA_MESSAGESECURITYMODE_SIGNANDENCRYPT:
printf("Sign and Encrypt");
break;
default:
printf("No valid security mode");
break;
}
printf("\n\t\tSecurity profile URI: %.*s", (int) endpoint->securityPolicyUri.length,
endpoint->securityPolicyUri.data);
printf("\n\t\tSecurity Level: %d", endpoint->securityLevel);
}
UA_Array_delete(endpointArray, endpointArraySize, &UA_TYPES[UA_TYPES_ENDPOINTDESCRIPTION]);
UA_Client_delete(client);
}
printf("\n");
UA_Array_delete(applicationDescriptionArray, applicationDescriptionArraySize,
&UA_TYPES[UA_TYPES_APPLICATIONDESCRIPTION]);
return EXIT_SUCCESS;
}
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;
}
