/// <summary>Sends a request synchronously.</summary>
/// <param name="proxy">The proxy for the target Ice object.</param>
/// <param name="request">The outgoing request frame for this invocation. Usually this request frame should have
/// been created using the same proxy, however some differences are acceptable, for example proxy can have
/// different endpoints.</param>
/// <param name="oneway">When true, the request is sent as a oneway request. When false, it is sent as a
/// two-way request.</param>
/// <returns>The response frame.</returns>
public static IncomingResponseFrame Invoke(this IObjectPrx proxy, OutgoingRequestFrame request,
bool oneway = false)
{
try
{
return(proxy.IceInvokeAsync(request, oneway, null, CancellationToken.None, true).Result);
}
catch (AggregateException ex)
{
throw ex.InnerException;
}
}
/// <summary>Sends a request asynchronously.</summary>
/// <param name="proxy">The proxy for the target Ice object.</param>
/// <param name="request">The outgoing request frame for this invocation. Usually this request frame should have
/// been created using the same proxy, however some differences are acceptable, for example proxy can have
/// different endpoints.</param>
/// <param name="oneway">When true, the request is sent as a oneway request. When false, it is sent as a
/// two-way request.</param>
/// <param name="progress">Sent progress provider.</param>
/// <param name="cancel">A cancellation token that receives the cancellation requests.</param>
/// <returns>A task holding the response frame.</returns>
public static Task <IncomingResponseFrame> InvokeAsync(this IObjectPrx proxy,
OutgoingRequestFrame request,
bool oneway = false,
IProgress <bool>?progress = null,
CancellationToken cancel = default)
{
var completed = new IObjectPrx.InvokeTaskCompletionCallback(progress, cancel);
new OutgoingAsync(proxy, completed, request, oneway: oneway).Invoke(request.Operation, request.Context,
synchronous: false);
return(completed.Task);
}
/// <summary>Create a new OutgoingRequestFrame.</summary>
/// <param name="proxy">A proxy to the target Ice object. This method uses the communicator, identity, facet,
/// encoding and context of this proxy to create the request frame.</param>
/// <param name="operation">The operation to invoke on the target Ice object.</param>
/// <param name="idempotent">True when operation is idempotent, otherwise false.</param>
/// <param name="format">The format type used to marshal classes and exceptions, when this parameter is null
/// the communicator's default format is used.</param>
/// <param name="context">An optional explicit context. When non null, it overrides both the context of the
/// proxy and the communicator's current context (if any).</param>
/// <param name="value">The parameter to marshal in the frame.</param>
/// <param name="writer">The delegate into marshal the parameter to the frame.</param>
/// <returns>A new OutgoingRequestFrame</returns>
public static OutgoingRequestFrame WithParamList <T>(
IObjectPrx proxy, string operation, bool idempotent, FormatType?format,
IReadOnlyDictionary <string, string>?context,
T value, OutputStreamWriter <T> writer)
{
var request = new OutgoingRequestFrame(proxy, operation, idempotent, context);
var ostr = new OutputStream(request.Encoding, request.Data, request._payloadStart,
format ?? proxy.Communicator.DefaultFormat);
writer(ostr, value);
request.Finish(ostr.Save());
return(request);
}
/// <summary>Forwards an incoming request to another Ice object.</summary>
/// <param name="proxy">The proxy for the target Ice object.</param>
/// <param name="request">The incoming request frame.</param>
/// <param name="progress">Sent progress provider.</param>
/// <param name="cancel">A cancellation token that receives the cancellation requests.</param>
/// <returns>A task holding the response frame.</returns>
public static async ValueTask <OutputStream> ForwardAsync(this IObjectPrx proxy,
IncomingRequestFrame request,
IProgress <bool>?progress = null,
CancellationToken cancel = default)
{
var forwardedRequest = new OutgoingRequestFrame(proxy, request.Current.Operation,
request.Current.IsIdempotent, request.Current.Context, request.TakePayload());
IncomingResponseFrame response =
await proxy.InvokeAsync(forwardedRequest, oneway : request.Current.IsOneway, progress, cancel)
.ConfigureAwait(false);
return(new OutgoingResponseFrame(request.Current, response.ReplyStatus, response.TakePayload()));
}
/// <summary>Sends a request synchronously.</summary>
/// <param name="proxy">The proxy for the target Ice object.</param>
/// <param name="request">The outgoing request frame for this invocation. Usually this request frame should have
/// been created using the same proxy, however some differences are acceptable, for example proxy can have
/// different endpoints.</param>
/// <param name="oneway">When true, the request is sent as a oneway request. When false, it is sent as a
/// two-way request.</param>
/// <returns>The response frame.</returns>
public static IncomingResponseFrame Invoke(this IObjectPrx proxy, OutgoingRequestFrame request,
bool oneway = false)
{
try
{
var completed = new IObjectPrx.InvokeTaskCompletionCallback(null, default);
new OutgoingAsync(proxy, completed, request, oneway: oneway).Invoke(request.Operation, request.Context,
synchronous: true);
return(completed.Task.Result);
}
catch (AggregateException ex)
{
Debug.Assert(ex.InnerException != null);
throw ex.InnerException;
}
}
internal static List <ArraySegment <byte> > GetRequestData(OutgoingRequestFrame frame, int requestId)
{
byte[] headerData = new byte[HeaderSize + 4];
RequestHeader.CopyTo(headerData.AsSpan());
OutputStream.WriteInt(frame.Size + HeaderSize + 4, headerData.AsSpan(10, 4));
OutputStream.WriteInt(requestId, headerData.AsSpan(HeaderSize, 4));
var data = new List <ArraySegment <byte> >()
{
headerData
};
data.AddRange(frame.Data);
return(data);
}
/// <summary>Sends a request asynchronously.</summary>
/// <param name="proxy">The proxy for the target Ice object.</param>
/// <param name="request">The outgoing request frame for this invocation. Usually this request frame should have
/// been created using the same proxy, however some differences are acceptable, for example proxy can have
/// different endpoints.</param>
/// <param name="oneway">When true, the request is sent as a oneway request. When false, it is sent as a
/// two-way request.</param>
/// <param name="progress">Sent progress provider.</param>
/// <param name="cancel">A cancellation token that receives the cancellation requests.</param>
/// <returns>A task holding the response frame.</returns>
public static Task <IncomingResponseFrame> InvokeAsync(this IObjectPrx proxy,
OutgoingRequestFrame request,
bool oneway = false,
IProgress <bool>?progress = null,
CancellationToken cancel = default)
=> proxy.IceInvokeAsync(request, oneway, progress, cancel, false);
// TODO avoid copy payload (ToArray) creates a copy, that should be possible when
// the frame has a single segment.
internal IncomingRequestFrame(Communicator communicator, OutgoingRequestFrame frame)
: this(communicator, VectoredBufferExtensions.ToArray(frame.Data))
{
}
/// <summary>Sends a request synchronously.</summary>
/// <param name="proxy">The proxy for the target Ice object.</param>
/// <param name="request">The outgoing request frame for this invocation. Usually this request frame should have
/// been created using the same proxy, however some differences are acceptable, for example proxy can have
/// different endpoints.</param>
/// <param name="oneway">When true, the request is sent as a oneway request. When false, it is sent as a
/// two-way request.</param>
/// <returns>The response frame.</returns>
public static IncomingResponseFrame Invoke(this IObjectPrx proxy, OutgoingRequestFrame request,
bool oneway = false)
=> proxy.IceInvoke(request, oneway);