/// <summary>
/// Browse all references if max references is null and user
/// wants all. If user has requested maximum to return use
/// <see cref="IBrowseServices{T}.NodeBrowseFirstAsync"/>
/// </summary>
/// <param name="endpoint"></param>
/// <param name="service"></param>
/// <param name="request"></param>
/// <returns></returns>
public static async Task <BrowseResultModel> NodeBrowseAsync <T>(
this IBrowseServices <T> service, T endpoint, BrowseRequestModel request)
{
if (request.MaxReferencesToReturn != null)
{
return(await service.NodeBrowseFirstAsync(endpoint, request));
}
while (true)
{
var result = await service.NodeBrowseFirstAsync(endpoint, request);
while (result.ContinuationToken != null)
{
try {
var next = await service.NodeBrowseNextAsync(endpoint,
new BrowseNextRequestModel {
ContinuationToken = result.ContinuationToken
});
result.References.AddRange(next.References);
result.ContinuationToken = next.ContinuationToken;
}
catch (Exception) {
// TODO: Catch other exceptions and continue, e.g. in case of timeout
throw;
}
}
return(result);
}
}
/// <inheritdoc/>
public async Task <BrowseResultModel> NodeBrowseFirstAsync(
string endpoint, BrowseRequestModel request)
{
var result = await _client.NodeBrowseFirstAsync(endpoint,
Map <BrowseRequestApiModel>(request));
return(Map <BrowseResultModel>(result));
}
/// <inheritdoc/>
public async Task <BrowseResultModel> NodeBrowseFirstAsync(
EndpointApiModel endpoint, BrowseRequestModel request)
{
var result = await _client.NodeBrowseFirstAsync(endpoint,
request.Map <BrowseRequestApiModel>());
return(result.Map <BrowseResultModel>());
}
/// <inheritdoc/>
public async Task <BrowseResultModel> NodeBrowseFirstAsync(
EndpointRegistrationModel registration, BrowseRequestModel request)
{
var result = await CallServiceOnSupervisorAsync <BrowseRequestModel, BrowseResultModel>(
"Browse_V2", registration, request);
return(result);
}
/// <inheritdoc/>
public async Task <BrowseResultModel> NodeBrowseFirstAsync(
string endpoint, BrowseRequestModel request)
{
var result = await _client.NodeBrowseFirstAsync(endpoint,
request.ToApiModel());
return(result.ToServiceModel());
}
/// <inheritdoc/>
public async Task <BrowseResultModel> NodeBrowseFirstAsync(string endpointId,
BrowseRequestModel request)
{
var result = await CallServiceOnTwinAsync <BrowseRequestModel, BrowseResultModel>(
"Browse_V2", endpointId, request);
return(result);
}
public async Task <BrowseResponseApiModel> GetSetOfUniqueNodesAsync(
string endpointId, [FromQuery] string nodeId)
{
if (string.IsNullOrEmpty(nodeId))
{
nodeId = null;
}
var request = new BrowseRequestModel {
NodeId = nodeId,
TargetNodesOnly = true,
ReadVariableValues = true
};
var browseresult = await _broser.NodeBrowseAsync(endpointId, request);
return(new BrowseResponseApiModel(browseresult));
}
/// <summary>
/// Create from service model
/// </summary>
/// <param name="model"></param>
public BrowseRequestApiModel(BrowseRequestModel model)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
NodeId = model.NodeId;
MaxReferencesToReturn = model.MaxReferencesToReturn;
Direction = model.Direction;
ReferenceTypeId = model.ReferenceTypeId;
NoSubtypes = model.NoSubtypes;
TargetNodesOnly = model.TargetNodesOnly;
ReadVariableValues = model.ReadVariableValues;
View = model.View == null ? null :
new BrowseViewApiModel(model.View);
Header = model.Header == null ? null :
new RequestHeaderApiModel(model.Header);
}
/// <summary>
/// Create from service model
/// </summary>
/// <param name="model"></param>
public static BrowseRequestApiModel ToApiModel(
this BrowseRequestModel model)
{
if (model == null)
{
return(null);
}
return(new BrowseRequestApiModel {
NodeId = model.NodeId,
MaxReferencesToReturn = model.MaxReferencesToReturn,
Direction = (IIoT.OpcUa.Api.Twin.Models.BrowseDirection?)model.Direction,
View = model.View.ToApiModel(),
ReferenceTypeId = model.ReferenceTypeId,
TargetNodesOnly = model.TargetNodesOnly,
ReadVariableValues = model.ReadVariableValues,
NoSubtypes = model.NoSubtypes,
Header = model.Header.ToApiModel()
});
}
/// <summary>
/// Browse all references if max references is null and user
/// wants all. If user has requested maximum to return use
/// <see cref="IBrowseServices{T}.NodeBrowseFirstAsync"/>
/// </summary>
/// <param name="endpoint"></param>
/// <param name="service"></param>
/// <param name="request"></param>
/// <returns></returns>
public static async Task <BrowseResultModel> NodeBrowseAsync <T>(
this IBrowseServices <T> service, T endpoint, BrowseRequestModel request)
{
if (request.MaxReferencesToReturn != null)
{
return(await service.NodeBrowseFirstAsync(endpoint, request));
}
while (true)
{
var result = await service.NodeBrowseFirstAsync(endpoint, request);
while (result.ContinuationToken != null)
{
try {
var next = await service.NodeBrowseNextAsync(endpoint,
new BrowseNextRequestModel {
ContinuationToken = result.ContinuationToken,
Header = request.Header,
NodeIdsOnly = request.NodeIdsOnly,
ReadVariableValues = request.ReadVariableValues,
TargetNodesOnly = request.TargetNodesOnly
});
result.References.AddRange(next.References);
result.ContinuationToken = next.ContinuationToken;
}
catch (Exception) {
await Try.Async(() => service.NodeBrowseNextAsync(endpoint,
new BrowseNextRequestModel {
ContinuationToken = result.ContinuationToken,
Abort = true
}));
throw;
}
}
return(result);
}
}
/// <summary>
/// Create from service model
/// </summary>
/// <param name="model"></param>
public static BrowseRequestApiModel ToApiModel(
this BrowseRequestModel model)
{
if (model == null)
{
return(null);
}
return(new BrowseRequestApiModel {
NodeId = model.NodeId,
MaxReferencesToReturn = model.MaxReferencesToReturn,
Direction = (Core.Models.BrowseDirection?)model.Direction,
View = model.View.ToApiModel(),
ReferenceTypeId = model.ReferenceTypeId,
TargetNodesOnly = model.TargetNodesOnly,
ReadVariableValues = model.ReadVariableValues,
NodeClassFilter = model.NodeClassFilter?
.Select(f => (Core.Models.NodeClass)f)
.ToList(),
NoSubtypes = model.NoSubtypes,
Header = model.Header.ToApiModel()
});
}
/// <inheritdoc/>
public Task <BrowseResultModel> NodeBrowseFirstAsync(string endpointId,
BrowseRequestModel request)
{
return(_browser.NodeBrowseFirstAsync(Endpoint, request));
}