void Service_Call(UA_Server *server, UA_Session *session, const UA_CallRequest *request,
UA_CallResponse *response) {
if(request->methodsToCallSize <= 0) {
response->responseHeader.serviceResult = UA_STATUSCODE_BADNOTHINGTODO;
return;
}
response->results = UA_Array_new(&UA_TYPES[UA_TYPES_CALLMETHODRESULT], request->methodsToCallSize);
if(!response->results) {
response->responseHeader.serviceResult = UA_STATUSCODE_BADOUTOFMEMORY;
return;
}
response->resultsSize = request->methodsToCallSize;
for(UA_Int32 i = 0; i < request->methodsToCallSize;i++) {
UA_CallMethodRequest *rq = &request->methodsToCall[i];
UA_CallMethodResult *rs = &response->results[i];
/* Get/Check Nodes */
const UA_MethodNode *methodCalled =
(const UA_MethodNode*) UA_NodeStore_get(server->nodestore, &rq->methodId);
if(methodCalled == UA_NULL) {
rs->statusCode = UA_STATUSCODE_BADMETHODINVALID;
continue;
}
const UA_ObjectNode *withObject =
(const UA_ObjectNode *) UA_NodeStore_get(server->nodestore, &rq->objectId);
if(withObject == UA_NULL) {
rs->statusCode = UA_STATUSCODE_BADNODEIDINVALID;
printf("Obj not found\n");
continue;
}
if(methodCalled->nodeClass != UA_NODECLASS_METHOD) {
rs->statusCode = UA_STATUSCODE_BADNODECLASSINVALID;
continue;
}
if(withObject->nodeClass != UA_NODECLASS_OBJECT && withObject->nodeClass != UA_NODECLASS_OBJECTTYPE) {
rs->statusCode = UA_STATUSCODE_BADNODECLASSINVALID;
printf("Obj not found 1\n");
continue;
}
/* Verify method/object relations */
// Object must have a hasComponent reference (or any inherited referenceType from sayd reference)
// to be valid for a methodCall...
for(UA_Int32 i = 0; i < withObject->referencesSize; i++) {
if(withObject->references[i].referenceTypeId.identifier.numeric == UA_NS0ID_HASCOMPONENT) {
// FIXME: Not checking any subtypes of HasComponent at the moment
if(UA_NodeId_equal(&withObject->references[i].targetId.nodeId, &methodCalled->nodeId)) {
rs->statusCode = UA_STATUSCODE_GOOD;
break;
}
}
}
if(rs->statusCode != UA_STATUSCODE_GOOD)
continue;
/* Verify method executable */
if(((const UA_MethodNode *) methodCalled)->executable == UA_FALSE ||
((const UA_MethodNode *) methodCalled)->userExecutable == UA_FALSE ) {
rs->statusCode = UA_STATUSCODE_BADNOTWRITABLE; // There is no NOTEXECUTABLE?
continue;
}
/* Verify Input Argument count, types and sizes */
const UA_VariableNode *inputArguments = getArgumentsVariableNode(server, methodCalled,
UA_STRING("InputArguments"));
if(inputArguments) {
// Expects arguments
rs->statusCode = argConformsToDefinition(rq, inputArguments);
UA_NodeStore_release((const UA_Node*)inputArguments);
if(rs->statusCode != UA_STATUSCODE_GOOD)
continue;
} else if(rq->inputArgumentsSize > 0) {
// Expects no arguments, but got some
rs->statusCode = UA_STATUSCODE_BADINVALIDARGUMENT;
UA_NodeStore_release((const UA_Node*)inputArguments);
continue;
}
const UA_VariableNode *outputArguments = getArgumentsVariableNode(server, methodCalled,
UA_STRING("OutputArguments"));
if(!outputArguments) {
// A MethodNode must have an OutputArguments variable (which may be empty)
rs->statusCode = UA_STATUSCODE_BADINTERNALERROR;
continue;
}
// Call method if available
if(methodCalled->attachedMethod) {
rs->outputArguments = UA_Array_new(&UA_TYPES[UA_TYPES_VARIANT],
outputArguments->value.variant.arrayLength);
rs->outputArgumentsSize = outputArguments->value.variant.arrayLength;
rs->statusCode = methodCalled->attachedMethod(withObject->nodeId, rq->inputArguments,
rs->outputArguments);
}
else
rs->statusCode = UA_STATUSCODE_BADNOTWRITABLE; // There is no NOTEXECUTABLE?
/* FIXME: Verify Output Argument count, types and sizes */
if(outputArguments) {
UA_NodeStore_release((const UA_Node*)outputArguments);
}
UA_NodeStore_release((const UA_Node *)withObject);
UA_NodeStore_release((const UA_Node *)methodCalled);
}
}
void
Service_Call_single(UA_Server *server, UA_Session *session, const UA_CallMethodRequest *request,
UA_CallMethodResult *result) {
/* Verify method/object relations. Object must have a hasComponent reference to the method node. */
UA_Boolean found = false;
UA_NodeId hasComponentNodeId = UA_NODEID_NUMERIC(0,UA_NS0ID_HASCOMPONENT);
result->statusCode = isNodeInTree(server->nodestore, &request->methodId, &request->objectId,
&hasComponentNodeId, 1, 1, &found);
if(!found)
result->statusCode = UA_STATUSCODE_BADMETHODINVALID;
if(result->statusCode != UA_STATUSCODE_GOOD)
return;
/* Get/verify the method node */
const UA_MethodNode *methodCalled =
(const UA_MethodNode*)UA_NodeStore_get(server->nodestore, &request->methodId);
if(!methodCalled) {
result->statusCode = UA_STATUSCODE_BADMETHODINVALID;
return;
}
if(methodCalled->nodeClass != UA_NODECLASS_METHOD) {
result->statusCode = UA_STATUSCODE_BADNODECLASSINVALID;
return;
}
if(!methodCalled->executable || !methodCalled->userExecutable || !methodCalled->attachedMethod) {
result->statusCode = UA_STATUSCODE_BADNOTWRITABLE; // There is no NOTEXECUTABLE?
return;
}
/* Get/verify the object node */
const UA_ObjectNode *withObject =
(const UA_ObjectNode*)UA_NodeStore_get(server->nodestore, &request->objectId);
if(!withObject) {
result->statusCode = UA_STATUSCODE_BADNODEIDINVALID;
return;
}
if(withObject->nodeClass != UA_NODECLASS_OBJECT && withObject->nodeClass != UA_NODECLASS_OBJECTTYPE) {
result->statusCode = UA_STATUSCODE_BADNODECLASSINVALID;
return;
}
/* Verify Input Argument count, types and sizes */
const UA_VariableNode *inputArguments = getArgumentsVariableNode(server, methodCalled, UA_STRING("InputArguments"));
if(!inputArguments) {
result->statusCode = UA_STATUSCODE_BADINVALIDARGUMENT;
return;
}
result->statusCode = argConformsToDefinition(server, inputArguments, request->inputArgumentsSize,
request->inputArguments);
if(result->statusCode != UA_STATUSCODE_GOOD)
return;
/* Allocate the output arguments */
const UA_VariableNode *outputArguments = getArgumentsVariableNode(server, methodCalled, UA_STRING("OutputArguments"));
if(!outputArguments) {
result->statusCode = UA_STATUSCODE_BADINTERNALERROR;
return;
}
result->outputArguments = UA_Array_new(outputArguments->value.variant.value.arrayLength, &UA_TYPES[UA_TYPES_VARIANT]);
if(!result->outputArguments) {
result->statusCode = UA_STATUSCODE_BADOUTOFMEMORY;
return;
}
result->outputArgumentsSize = outputArguments->value.variant.value.arrayLength;
/* Call the method */
result->statusCode = methodCalled->attachedMethod(methodCalled->methodHandle, withObject->nodeId,
request->inputArgumentsSize, request->inputArguments,
result->outputArgumentsSize, result->outputArguments);
/* TODO: Verify Output Argument count, types and sizes */
}
static void
callMethod(UA_Server *server, UA_Session *session, UA_CallMethodRequest *request,
UA_CallMethodResult *result) {
const UA_MethodNode *methodCalled = (const UA_MethodNode*)UA_NodeStore_get(server->nodestore, &request->methodId);
if(!methodCalled) {
result->statusCode = UA_STATUSCODE_BADMETHODINVALID;
return;
}
const UA_ObjectNode *withObject = (const UA_ObjectNode*)UA_NodeStore_get(server->nodestore, &request->objectId);
if(!withObject) {
result->statusCode = UA_STATUSCODE_BADNODEIDINVALID;
goto releaseMethodReturn;
}
if(methodCalled->nodeClass != UA_NODECLASS_METHOD) {
result->statusCode = UA_STATUSCODE_BADNODECLASSINVALID;
goto releaseBothReturn;
}
if(withObject->nodeClass != UA_NODECLASS_OBJECT && withObject->nodeClass != UA_NODECLASS_OBJECTTYPE) {
result->statusCode = UA_STATUSCODE_BADNODECLASSINVALID;
goto releaseBothReturn;
}
/* Verify method/object relations */
// Object must have a hasComponent reference (or any inherited referenceType from sayd reference)
// to be valid for a methodCall...
result->statusCode = UA_STATUSCODE_BADMETHODINVALID;
for(UA_Int32 i = 0; i < withObject->referencesSize; i++) {
if(withObject->references[i].referenceTypeId.identifier.numeric == UA_NS0ID_HASCOMPONENT) {
// FIXME: Not checking any subtypes of HasComponent at the moment
if(UA_NodeId_equal(&withObject->references[i].targetId.nodeId, &methodCalled->nodeId)) {
result->statusCode = UA_STATUSCODE_GOOD;
break;
}
}
}
if(result->statusCode != UA_STATUSCODE_GOOD)
goto releaseBothReturn;
/* Verify method executable */
if(methodCalled->executable == UA_FALSE || methodCalled->userExecutable == UA_FALSE) {
result->statusCode = UA_STATUSCODE_BADNOTWRITABLE; // There is no NOTEXECUTABLE?
goto releaseBothReturn;
}
/* Verify Input Argument count, types and sizes */
const UA_VariableNode *inputArguments = getArgumentsVariableNode(server, methodCalled,
UA_STRING("InputArguments"));
if(inputArguments) {
// Expects arguments
result->statusCode = argConformsToDefinition(request, inputArguments);
UA_NodeStore_release((const UA_Node*)inputArguments);
if(result->statusCode != UA_STATUSCODE_GOOD)
goto releaseBothReturn;
} else if(request->inputArgumentsSize > 0) {
// Expects no arguments, but got some
result->statusCode = UA_STATUSCODE_BADINVALIDARGUMENT;
goto releaseBothReturn;
}
const UA_VariableNode *outputArguments = getArgumentsVariableNode(server, methodCalled,
UA_STRING("OutputArguments"));
if(!outputArguments) {
// A MethodNode must have an OutputArguments variable (which may be empty)
result->statusCode = UA_STATUSCODE_BADINTERNALERROR;
goto releaseBothReturn;
}
// Call method if available
if(methodCalled->attachedMethod) {
result->outputArguments = UA_Array_new(&UA_TYPES[UA_TYPES_VARIANT],
outputArguments->value.variant.value.arrayLength);
result->outputArgumentsSize = outputArguments->value.variant.value.arrayLength;
result->statusCode = methodCalled->attachedMethod(withObject->nodeId, request->inputArguments,
result->outputArguments, methodCalled->methodHandle);
}
else
result->statusCode = UA_STATUSCODE_BADNOTWRITABLE; // There is no NOTEXECUTABLE?
/* FIXME: Verify Output Argument count, types and sizes */
if(outputArguments)
UA_NodeStore_release((const UA_Node*)outputArguments);
releaseBothReturn:
UA_NodeStore_release((const UA_Node*)withObject);
releaseMethodReturn:
UA_NodeStore_release((const UA_Node*)methodCalled);
}
