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Server: Add an example for matrix variables. Fix #2389

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Julius Pfrommer 2019-08-01 11:58:49 +02:00 committed by Julius Pfrommer
parent 3c559d1c4f
commit a4cfd801b2
2 changed files with 59 additions and 0 deletions
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30
examples/tutorial_server_variable.c
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@ -42,6 +42,35 @@ addVariable(UA_Server *server) {
UA_NODEID_NUMERIC(0, UA_NS0ID_BASEDATAVARIABLETYPE), attr, NULL, NULL);
}
static void
addMatrixVariable(UA_Server *server) {
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("en-US", "Double Matrix");
attr.accessLevel = UA_ACCESSLEVELMASK_READ | UA_ACCESSLEVELMASK_WRITE;
/* Set the variable value constraints */
attr.dataType = UA_TYPES[UA_TYPES_DOUBLE].typeId;
attr.valueRank = UA_VALUERANK_TWO_DIMENSIONS;
UA_UInt32 arrayDims[2] = {2,2};
attr.arrayDimensions = arrayDims;
attr.arrayDimensionsSize = 2;
/* Set the value. The array dimensions need to be the same for the value. */
UA_Double zero[4] = {0.0, 0.0, 0.0, 0.0};
UA_Variant_setArray(&attr.value, zero, 4, &UA_TYPES[UA_TYPES_DOUBLE]);
attr.value.arrayDimensions = arrayDims;
attr.value.arrayDimensionsSize = 2;
UA_NodeId myIntegerNodeId = UA_NODEID_STRING(1, "double.matrix");
UA_QualifiedName myIntegerName = UA_QUALIFIEDNAME(1, "double matrix");
UA_NodeId parentNodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER);
UA_NodeId parentReferenceNodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES);
UA_Server_addVariableNode(server, myIntegerNodeId, parentNodeId,
parentReferenceNodeId, myIntegerName,
UA_NODEID_NUMERIC(0, UA_NS0ID_BASEDATAVARIABLETYPE),
attr, NULL, NULL);
}
/**
* Now we change the value with the write service. This uses the same service
* implementation that can also be reached over the network by an OPC UA client.
@ -118,6 +147,7 @@ int main(void) {
#endif
addVariable(server);
addMatrixVariable(server);
writeVariable(server);
writeWrongVariable(server);

29
tests/server/check_services_nodemanagement.c
View File

@ -57,6 +57,34 @@ START_TEST(AddVariableNode) {
ck_assert_int_eq(UA_STATUSCODE_GOOD, res);
} END_TEST
START_TEST(AddVariableNode_Matrix) {
/* Add a variable node to the address space */
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.displayName = UA_LOCALIZEDTEXT("en-US", "Double Matrix");
attr.accessLevel = UA_ACCESSLEVELMASK_READ | UA_ACCESSLEVELMASK_WRITE;
attr.dataType = UA_TYPES[UA_TYPES_DOUBLE].typeId;
attr.valueRank = UA_VALUERANK_TWO_DIMENSIONS;
UA_UInt32 arrayDims[2] = {2,2};
attr.arrayDimensions = arrayDims;
attr.arrayDimensionsSize = 2;
UA_Double zero[4] = {0.0, 0.0, 0.0, 0.0};
UA_Variant_setArray(&attr.value, zero, 4, &UA_TYPES[UA_TYPES_DOUBLE]);
attr.value.arrayDimensions = arrayDims;
attr.value.arrayDimensionsSize = 2;
UA_NodeId myIntegerNodeId = UA_NODEID_STRING(1, "double.matrix");
UA_QualifiedName myIntegerName = UA_QUALIFIEDNAME(1, "double matrix");
UA_NodeId parentNodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER);
UA_NodeId parentReferenceNodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES);
UA_StatusCode res =
UA_Server_addVariableNode(server, myIntegerNodeId, parentNodeId,
parentReferenceNodeId, myIntegerName,
UA_NODEID_NUMERIC(0, UA_NS0ID_BASEDATAVARIABLETYPE),
attr, NULL, NULL);
ck_assert_int_eq(UA_STATUSCODE_GOOD, res);
} END_TEST
static UA_NodeId pointTypeId;
static void
@ -565,6 +593,7 @@ int main(void) {
TCase *tc_addnodes = tcase_create("addnodes");
tcase_add_checked_fixture(tc_addnodes, setup, teardown);
tcase_add_test(tc_addnodes, AddVariableNode);
tcase_add_test(tc_addnodes, AddVariableNode_Matrix);
tcase_add_test(tc_addnodes, InstantiateVariableTypeNode);
tcase_add_test(tc_addnodes, InstantiateVariableTypeNodeWrongDims);
tcase_add_test(tc_addnodes, InstantiateVariableTypeNodeLessDims);