static UA_StatusCode EndpointsHandshake(UA_Client *client) {
UA_GetEndpointsRequest request;
UA_GetEndpointsRequest_init(&request);
request.requestHeader.authenticationToken = client->authenticationToken;
request.requestHeader.timestamp = UA_DateTime_now();
request.requestHeader.timeoutHint = 10000;
request.endpointUrl = client->endpointUrl;
UA_String profileUri = UA_STRING("http://opcfoundation.org/UA-Profile/Transport/uatcp-uasc-uabinary");
request.profileUris = &profileUri;
request.profileUrisSize = 1;
UA_GetEndpointsResponse response;
UA_GetEndpointsResponse_init(&response);
__UA_Client_Service(client, &request, &UA_TYPES[UA_TYPES_GETENDPOINTSREQUEST],
&response, &UA_TYPES[UA_TYPES_GETENDPOINTSRESPONSE]);
UA_Boolean endpointFound = UA_FALSE;
UA_Boolean tokenFound = UA_FALSE;
UA_String securityNone = UA_STRING("http://opcfoundation.org/UA/SecurityPolicy#None");
for(UA_Int32 i = 0; i < response.endpointsSize; i++) {
UA_EndpointDescription* endpoint = &response.endpoints[i];
/* look out for an endpoint without security */
if(!UA_String_equal(&endpoint->securityPolicyUri, &securityNone))
continue;
endpointFound = UA_TRUE;
/* endpoint with no security found */
/* look for a user token policy with an anonymous token */
for(UA_Int32 j=0; j<endpoint->userIdentityTokensSize; ++j) {
UA_UserTokenPolicy* userToken = &endpoint->userIdentityTokens[j];
if(userToken->tokenType != UA_USERTOKENTYPE_ANONYMOUS)
continue;
tokenFound = UA_TRUE;
UA_UserTokenPolicy_copy(userToken, &client->token);
break;
}
}
UA_GetEndpointsResponse_deleteMembers(&response);
if(!endpointFound) {
UA_LOG_ERROR(client->logger, UA_LOGCATEGORY_CLIENT, "No suitable endpoint found");
return UA_STATUSCODE_BADINTERNALERROR;
}
if(!tokenFound) {
UA_LOG_ERROR(client->logger, UA_LOGCATEGORY_CLIENT, "No anonymous token found");
return UA_STATUSCODE_BADINTERNALERROR;
}
return response.responseHeader.serviceResult;
}
static UA_StatusCode
requestGetEndpoints(UA_Client *client, UA_UInt32 *requestId) {
UA_GetEndpointsRequest request;
UA_GetEndpointsRequest_init(&request);
request.requestHeader.timestamp = UA_DateTime_now();
request.requestHeader.timeoutHint = 10000;
/* assume the endpointurl outlives the service call */
UA_String_copy(&client->endpointUrl, &request.endpointUrl);
client->connectStatus = UA_Client_sendAsyncRequest(
client, &request, &UA_TYPES[UA_TYPES_GETENDPOINTSREQUEST],
(UA_ClientAsyncServiceCallback) responseGetEndpoints,
&UA_TYPES[UA_TYPES_GETENDPOINTSRESPONSE], NULL, requestId);
UA_GetEndpointsRequest_deleteMembers(&request);
return client->connectStatus;
}
static UA_StatusCode
GetEndpoints(UA_Client *client, const UA_String* endpointUrl,
size_t* endpointDescriptionsSize,
UA_EndpointDescription** endpointDescriptions,
const char* filterTransportProfileUri) {
UA_GetEndpointsRequest request;
UA_GetEndpointsRequest_init(&request);
//request.requestHeader.authenticationToken = client->authenticationToken;
request.requestHeader.timestamp = UA_DateTime_now();
request.requestHeader.timeoutHint = 10000;
request.endpointUrl = *endpointUrl; // assume the endpointurl outlives the service call
if (filterTransportProfileUri) {
request.profileUrisSize = 1;
request.profileUris = (UA_String*)UA_malloc(sizeof(UA_String));
request.profileUris[0] = UA_String_fromChars(filterTransportProfileUri);
}
UA_GetEndpointsResponse response;
UA_GetEndpointsResponse_init(&response);
__UA_Client_Service(client, &request, &UA_TYPES[UA_TYPES_GETENDPOINTSREQUEST],
&response, &UA_TYPES[UA_TYPES_GETENDPOINTSRESPONSE]);
if (filterTransportProfileUri) {
UA_Array_delete(request.profileUris, request.profileUrisSize, &UA_TYPES[UA_TYPES_STRING]);
}
ck_assert_uint_eq(response.responseHeader.serviceResult, UA_STATUSCODE_GOOD);
*endpointDescriptionsSize = response.endpointsSize;
*endpointDescriptions =
(UA_EndpointDescription*)UA_Array_new(response.endpointsSize,
&UA_TYPES[UA_TYPES_ENDPOINTDESCRIPTION]);
for(size_t i=0;i<response.endpointsSize;i++) {
UA_EndpointDescription_init(&(*endpointDescriptions)[i]);
UA_EndpointDescription_copy(&response.endpoints[i], &(*endpointDescriptions)[i]);
}
UA_GetEndpointsResponse_deleteMembers(&response);
return UA_STATUSCODE_GOOD;
}
