/// <summary>
/// Writes a list of Node attributes.
/// </summary>
/// <param name="client">A instance of <see cref="IRequestChannel"/>.</param>
/// <param name="request">A <see cref="WriteRequest"/>.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation that returns a <see cref="WriteResponse"/>.</returns>
public static async Task <WriteResponse> WriteAsync(this IRequestChannel client, WriteRequest request)
{
if (request == null)
{
throw new ArgumentNullException("request");
}
return((WriteResponse)await client.RequestAsync(request).ConfigureAwait(false));
}
/// <summary>
/// Removes one or more MonitoredItems of a Subscription.
/// </summary>
/// <param name="channel">A instance of <see cref="IRequestChannel"/>.</param>
/// <param name="request">A <see cref="DeleteMonitoredItemsRequest"/>.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation that returns a <see cref="DeleteMonitoredItemsResponse"/>.</returns>
public static async Task <DeleteMonitoredItemsResponse> DeleteMonitoredItemsAsync(this IRequestChannel channel, DeleteMonitoredItemsRequest request, CancellationToken token = default)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
return((DeleteMonitoredItemsResponse)await channel.RequestAsync(request, token).ConfigureAwait(false));
}
/// <summary>
/// Removes one or more MonitoredItems of a Subscription.
/// </summary>
/// <param name="channel">A instance of <see cref="IRequestChannel"/>.</param>
/// <param name="request">A <see cref="DeleteMonitoredItemsRequest"/>.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation that returns a <see cref="DeleteMonitoredItemsResponse"/>.</returns>
public static async Task <DeleteMonitoredItemsResponse> DeleteMonitoredItemsAsync(this IRequestChannel channel, DeleteMonitoredItemsRequest request)
{
if (request == null)
{
throw new ArgumentNullException("request");
}
return((DeleteMonitoredItemsResponse)await channel.RequestAsync(request).ConfigureAwait(false));
}
/// <summary>
/// Modifies MonitoredItems of a Subscription.
/// </summary>
/// <param name="channel">A instance of <see cref="IRequestChannel"/>.</param>
/// <param name="request">A <see cref="ModifyMonitoredItemsRequest"/>.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation that returns a <see cref="ModifyMonitoredItemsResponse"/>.</returns>
public static async Task <ModifyMonitoredItemsResponse> ModifyMonitoredItemsAsync(this IRequestChannel channel, ModifyMonitoredItemsRequest request)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
return((ModifyMonitoredItemsResponse)await channel.RequestAsync(request).ConfigureAwait(false));
}
/// <summary>
/// Sets the monitoring mode for one or more MonitoredItems of a Subscription.
/// </summary>
/// <param name="channel">A instance of <see cref="IRequestChannel"/>.</param>
/// <param name="request">A <see cref="SetMonitoringModeRequest"/>.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation that returns a <see cref="SetMonitoringModeResponse"/>.</returns>
public static async Task <SetMonitoringModeResponse> SetMonitoringModeAsync(this IRequestChannel channel, SetMonitoringModeRequest request)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
return((SetMonitoringModeResponse)await channel.RequestAsync(request).ConfigureAwait(false));
}
/// <summary>
/// Requests the next set of Query responses, when the information is too large to be sent in a single response.
/// </summary>
/// <param name="channel">A instance of <see cref="IRequestChannel"/>.</param>
/// <param name="request">A <see cref="QueryNextRequest"/>.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation that returns a <see cref="QueryNextResponse"/>.</returns>
public static async Task <QueryNextResponse> QueryNextAsync(this IRequestChannel channel, QueryNextRequest request)
{
if (request == null)
{
throw new ArgumentNullException("request");
}
return((QueryNextResponse)await channel.RequestAsync(request).ConfigureAwait(false));
}
/// <summary>
/// Deletes one or more References of a Node.
/// </summary>
/// <param name="channel">A instance of <see cref="IRequestChannel"/>.</param>
/// <param name="request">A <see cref="DeleteReferencesRequest"/>.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation that returns a <see cref="DeleteReferencesResponse"/>.</returns>
public static async Task <DeleteReferencesResponse> DeleteReferencesAsync(this IRequestChannel channel, DeleteReferencesRequest request)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
return((DeleteReferencesResponse)await channel.RequestAsync(request).ConfigureAwait(false));
}
/// <summary>
/// Creates and deletes triggering links for a triggering item.
/// </summary>
/// <param name="channel">A instance of <see cref="IRequestChannel"/>.</param>
/// <param name="request">A <see cref="SetTriggeringRequest"/>.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation that returns a <see cref="SetTriggeringResponse"/>.</returns>
public static async Task <SetTriggeringResponse> SetTriggeringAsync(this IRequestChannel channel, SetTriggeringRequest request)
{
if (request == null)
{
throw new ArgumentNullException("request");
}
return((SetTriggeringResponse)await channel.RequestAsync(request).ConfigureAwait(false));
}
/// <summary>
/// Unregisters NodeIds that have been obtained via the RegisterNodes service.
/// </summary>
/// <param name="channel">A instance of <see cref="IRequestChannel"/>.</param>
/// <param name="request">A <see cref="UnregisterNodesRequest"/>.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation that returns a <see cref="UnregisterNodesResponse"/>.</returns>
/// <seealso href="https://reference.opcfoundation.org/v104/Core/docs/Part4/5.8.6/">OPC UA specification Part 4: Services, 5.8.6</seealso>
public static async Task <UnregisterNodesResponse> UnregisterNodesAsync(this IRequestChannel channel, UnregisterNodesRequest request, CancellationToken token = default)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
return((UnregisterNodesResponse)await channel.RequestAsync(request, token).ConfigureAwait(false));
}
/// <summary>
/// Requests the Server to republish a NotificationMessage from its retransmission queue.
/// </summary>
/// <param name="channel">A instance of <see cref="IRequestChannel"/>.</param>
/// <param name="request">A <see cref="RepublishRequest"/>.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation that returns a <see cref="RepublishResponse"/>.</returns>
internal static async Task <RepublishResponse> RepublishAsync(this IRequestChannel channel, RepublishRequest request)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
return((RepublishResponse)await channel.RequestAsync(request).ConfigureAwait(false));
}
/// <summary>
/// Translates one or more browse paths to NodeIds.
/// </summary>
/// <param name="channel">A instance of <see cref="IRequestChannel"/>.</param>
/// <param name="request">A <see cref="TranslateBrowsePathsToNodeIdsRequest"/>.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation that returns a <see cref="TranslateBrowsePathsToNodeIdsResponse"/>.</returns>
public static async Task <TranslateBrowsePathsToNodeIdsResponse> TranslateBrowsePathsToNodeIdsAsync(this IRequestChannel channel, TranslateBrowsePathsToNodeIdsRequest request)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
return((TranslateBrowsePathsToNodeIdsResponse)await channel.RequestAsync(request).ConfigureAwait(false));
}
/// <summary>
/// Modifies a Subscription.
/// </summary>
/// <param name="channel">A instance of <see cref="IRequestChannel"/>.</param>
/// <param name="request">A <see cref="ModifySubscriptionRequest"/>.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation that returns a <see cref="ModifySubscriptionResponse"/>.</returns>
/// <seealso href="https://reference.opcfoundation.org/v104/Core/docs/Part4/5.13.3/">OPC UA specification Part 4: Services, 5.13.3</seealso>
public static async Task <ModifySubscriptionResponse> ModifySubscriptionAsync(this IRequestChannel channel, ModifySubscriptionRequest request, CancellationToken token = default)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
return((ModifySubscriptionResponse)await channel.RequestAsync(request, token).ConfigureAwait(false));
}
/// <summary>
/// Creates a Subscription.
/// </summary>
/// <param name="channel">A instance of <see cref="IRequestChannel"/>.</param>
/// <param name="request">A <see cref="CreateSubscriptionRequest"/>.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation that returns a <see cref="CreateSubscriptionResponse"/>.</returns>
public static async Task <CreateSubscriptionResponse> CreateSubscriptionAsync(this IRequestChannel channel, CreateSubscriptionRequest request)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
return((CreateSubscriptionResponse)await channel.RequestAsync(request).ConfigureAwait(false));
}
/// <summary>
/// Updates historical values or Events of one or more Nodes.
/// </summary>
/// <param name="client">A instance of <see cref="IRequestChannel"/>.</param>
/// <param name="request">A <see cref="HistoryUpdateRequest"/>.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation that returns a <see cref="HistoryUpdateResponse"/>.</returns>
public static async Task <HistoryUpdateResponse> HistoryUpdateAsync(this IRequestChannel client, HistoryUpdateRequest request)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
return((HistoryUpdateResponse)await client.RequestAsync(request).ConfigureAwait(false));
}
/// <summary>
/// Reads historical values or Events of one or more Nodes.
/// </summary>
/// <param name="client">A instance of <see cref="IRequestChannel"/>.</param>
/// <param name="request">A <see cref="HistoryReadRequest"/>.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation that returns a <see cref="HistoryReadResponse"/>.</returns>
public static async Task <HistoryReadResponse> HistoryReadAsync(this IRequestChannel client, HistoryReadRequest request, CancellationToken token = default)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
return((HistoryReadResponse)await client.RequestAsync(request, token).ConfigureAwait(false));
}
/// <summary>
/// Adds one or more References to one or more Nodes.
/// </summary>
/// <param name="channel">A instance of <see cref="IRequestChannel"/>.</param>
/// <param name="request">A <see cref="AddReferencesRequest"/>.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation that returns a <see cref="AddReferencesResponse"/>.</returns>
public static async Task <AddReferencesResponse> AddReferencesAsync(this IRequestChannel channel, AddReferencesRequest request)
{
if (request == null)
{
throw new ArgumentNullException("request");
}
return((AddReferencesResponse)await channel.RequestAsync(request).ConfigureAwait(false));
}
/// <summary>
/// Closes a session.
/// </summary>
/// <param name="channel">A instance of <see cref="IRequestChannel"/>.</param>
/// <param name="request">A <see cref="CloseSessionRequest"/>.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation that returns a <see cref="CloseSessionResponse"/>.</returns>
public static async Task <CloseSessionResponse> CloseSessionAsync(this IRequestChannel channel, CloseSessionRequest request)
{
if (request == null)
{
throw new ArgumentNullException("request");
}
return((CloseSessionResponse)await channel.RequestAsync(request).ConfigureAwait(false));
}
/// <summary>
/// Creates and deletes triggering links for a triggering item.
/// </summary>
/// <param name="channel">A instance of <see cref="IRequestChannel"/>.</param>
/// <param name="request">A <see cref="SetTriggeringRequest"/>.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation that returns a <see cref="SetTriggeringResponse"/>.</returns>
public static async Task <SetTriggeringResponse> SetTriggeringAsync(this IRequestChannel channel, SetTriggeringRequest request, CancellationToken token = default)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
return((SetTriggeringResponse)await channel.RequestAsync(request, token).ConfigureAwait(false));
}
/// <summary>
/// Requests the next set of Browse responses, when the information is too large to be sent in a single response.
/// </summary>
/// <param name="channel">A instance of <see cref="IRequestChannel"/>.</param>
/// <param name="request">A <see cref="BrowseNextRequest"/>.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation that returns a <see cref="BrowseNextResponse"/>.</returns>
public static async Task <BrowseNextResponse> BrowseNextAsync(this IRequestChannel channel, BrowseNextRequest request)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
return((BrowseNextResponse)await channel.RequestAsync(request).ConfigureAwait(false));
}
/// <summary>
/// Activates a session.
/// </summary>
/// <param name="channel">A instance of <see cref="IRequestChannel"/>.</param>
/// <param name="request">A <see cref="ActivateSessionRequest"/>.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation that returns a <see cref="ActivateSessionResponse"/>.</returns>
internal static async Task <ActivateSessionResponse> ActivateSessionAsync(this IRequestChannel channel, ActivateSessionRequest request)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
return((ActivateSessionResponse)await channel.RequestAsync(request).ConfigureAwait(false));
}
/// <summary>
/// Unregisters NodeIds that have been obtained via the RegisterNodes service.
/// </summary>
/// <param name="channel">A instance of <see cref="IRequestChannel"/>.</param>
/// <param name="request">A <see cref="UnregisterNodesRequest"/>.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation that returns a <see cref="UnregisterNodesResponse"/>.</returns>
public static async Task <UnregisterNodesResponse> UnregisterNodesAsync(this IRequestChannel channel, UnregisterNodesRequest request)
{
if (request == null)
{
throw new ArgumentNullException("request");
}
return((UnregisterNodesResponse)await channel.RequestAsync(request).ConfigureAwait(false));
}
/// <summary>
/// Closes a session.
/// </summary>
/// <param name="channel">A instance of <see cref="IRequestChannel"/>.</param>
/// <param name="request">A <see cref="CloseSessionRequest"/>.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation that returns a <see cref="CloseSessionResponse"/>.</returns>
/// <seealso href="https://reference.opcfoundation.org/v104/Core/docs/Part4/5.6.4/">OPC UA specification Part 4: Services, 5.6.4</seealso>
internal static async Task <CloseSessionResponse> CloseSessionAsync(this IRequestChannel channel, CloseSessionRequest request, CancellationToken token = default)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
return((CloseSessionResponse)await channel.RequestAsync(request, token).ConfigureAwait(false));
}
/// <summary>
/// Transfers a Subscription and its MonitoredItems from one Session to another.
/// </summary>
/// <param name="channel">A instance of <see cref="IRequestChannel"/>.</param>
/// <param name="request">A <see cref="TransferSubscriptionsRequest"/>.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation that returns a <see cref="TransferSubscriptionsResponse"/>.</returns>
public static async Task <TransferSubscriptionsResponse> TransferSubscriptionsAsync(this IRequestChannel channel, TransferSubscriptionsRequest request)
{
if (request == null)
{
throw new ArgumentNullException("request");
}
return((TransferSubscriptionsResponse)await channel.RequestAsync(request).ConfigureAwait(false));
}
private static async Task SendRequest(IRequestChannel request, string message)
{
var response = await request.RequestAsync(Encoding.UTF8.GetBytes(message));
Console.WriteLine(Encoding.UTF8.GetString(response));
}