/// <summary>Creates a new <see cref="OutgoingRequestFrame"/> for an operation with a single non-struct
/// parameter.</summary>
/// <typeparam name="T">The type of the operation's parameter.</typeparam>
/// <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="compress">True if the request should be compressed, false otherwise.</param>
/// <param name="format">The format to use when writing class instances in case <c>args</c> contains class
/// instances.</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="args">The argument(s) to write into the frame.</param>
/// <param name="writer">The <see cref="OutputStreamWriter{T}"/> that writes the arguments into the frame.
/// </param>
/// <returns>A new OutgoingRequestFrame.</returns>
public static OutgoingRequestFrame WithArgs <T>(
IObjectPrx proxy,
string operation,
bool idempotent,
bool compress,
FormatType format,
IReadOnlyDictionary <string, string>?context,
T args,
OutputStreamWriter <T> writer)
{
var request = new OutgoingRequestFrame(proxy, operation, idempotent, compress, context);
var ostr = new OutputStream(proxy.Protocol.GetEncoding(),
request.Data,
request.PayloadStart,
request.Encoding,
format);
writer(ostr, args);
request.PayloadEnd = ostr.Finish();
if (compress && proxy.Encoding == Encoding.V20)
{
request.CompressPayload();
}
return(request);
}
/// <summary>Gets or builds a combined binary context using InitialBinaryContext and _binaryContextOverride.
/// This method is used for colocated calls.</summary>
internal IReadOnlyDictionary <int, ReadOnlyMemory <byte> > GetBinaryContext()
{
if (_binaryContextOverride == null)
{
return(InitialBinaryContext);
}
else
{
// Need to marshal/unmarshal this binary context
var buffer = new List <ArraySegment <byte> >();
var ostr = new OutputStream(Encoding.V20, buffer);
WriteBinaryContext(ostr);
ostr.Finish();
return(buffer.AsArraySegment().AsReadOnlyMemory().Read(istr => istr.ReadBinaryContext()));
}
}
