public virtual Stream ProcessAsynchronously(Stream requestStream)
{
DateTime now = DateTime.Now;
string asyncToken = now.Ticks.ToString(CultureInfo.InvariantCulture);
AsyncTask asyncTask = null;
if (requestStream == null)
{
asyncTask = new AsyncTask(this, this.CreateRequestMessage(null), now.AddSeconds(AsyncTask.DefaultDuration));
}
else
{
StreamPipe requestPipe = new StreamPipe();
using (requestPipe.WriteStream)
{
requestStream.CopyTo(requestPipe.WriteStream); // read the input stream to memory
}
var requestMessage = this.CreateRequestMessage(requestPipe.ReadStream);
asyncTask = new AsyncTask(this, requestMessage, now.AddSeconds(AsyncTask.DefaultDuration));
}
AsyncTask.AddTask(asyncToken, asyncTask);
StreamPipe responsePipe = new StreamPipe();
var responseMessage = new ODataResponseMessage(responsePipe.WriteStream, 202); //202 Accepted
responseMessage.PreferenceAppliedHeader().RespondAsync = true;
ResponseWriter.WriteAsyncPendingResponse(responseMessage, asyncToken);
return(responsePipe.ReadStream);
}
public Object ParseAsync(HttpResponseMessage response)
{
using (Stream stream = response.Content.ReadAsStreamAsync().Result)
{
var responseMessage = new ODataResponseMessage(stream);
var context = new ODataDeserializerContext()
{
Model = Model, Request = response.RequestMessage
};
using (var messageReader = new ODataMessageReader(responseMessage, _settings, Model))
{
ODataResult result = GetODataResult(messageReader);
while (result.ODataReader.Read())
{
if (result.ODataReader.State == ODataReaderState.EntryEnd)
{
var entry = (ODataEntry)result.ODataReader.Item;
var entityType = (IEdmEntityType)Model.FindType(entry.TypeName);
var entityTypeReference = new EdmEntityTypeReference(entityType, false);
var navigationLinks = new ODataEntryWithNavigationLinks(entry);
result.AddResult(_deserializer.ReadEntry(navigationLinks, entityTypeReference, context));
}
}
return(result.Result);
}
}
}
/// <summary>
/// Reads the OData-Version header from the <paramref name="message"/> and parses it.
/// If no OData-Version header is found it sets the default version to be used for reading.
/// </summary>
/// <param name="message">The message to get the OData-Version header from.</param>
/// <param name="defaultVersion">The default version to use if the header was not specified.</param>
/// <returns>
/// The <see cref="ODataVersion"/> retrieved from the OData-Version header of the message.
/// The default version if none is specified in the header.
/// </returns>
public static ODataVersion GetODataVersion(this IODataResponseMessage message, ODataVersion defaultVersion)
{
// translation from IODataResponseMessage to ODataMessage to pass into GetODataVersion.
// we retain all of the data we need from the message, with a few extra data that aren't used in.
// GetODataVersion. Not ideal, but it works.
ODataMessage odataMessage = new ODataResponseMessage(message, false /*writing*/, false/*disableMessageStreamDisposal*/, Int64.MaxValue /*maxMessageSize*/);
return ODataUtilsInternal.GetODataVersion(odataMessage, defaultVersion);
}
public void GetDataServiceVersionWorksForResponse()
{
InMemoryMessage simulatedRequestMessage = new InMemoryMessage();
simulatedRequestMessage.SetHeader(ODataConstants.ODataVersionHeader, "4.0");
IODataResponseMessage response = new ODataResponseMessage(simulatedRequestMessage, false, false, long.MaxValue);
ODataVersion version = response.GetODataVersion(ODataVersion.V4);
version.Should().Be(ODataUtils.StringToODataVersion(response.GetHeader(ODataConstants.ODataVersionHeader)));
}
public void GetDataServiceVersionWorksForResponse()
{
InMemoryMessage simulatedRequestMessage = new InMemoryMessage();
simulatedRequestMessage.SetHeader(ODataConstants.ODataVersionHeader, "4.0");
IODataResponseMessage response = new ODataResponseMessage(simulatedRequestMessage, false, false, long.MaxValue);
ODataVersion version = response.GetODataVersion(ODataVersion.V4);
Assert.Equal(ODataUtils.StringToODataVersion(response.GetHeader(ODataConstants.ODataVersionHeader)), version);
}
public virtual Stream ProcessAsynchronously(Stream requestStream)
{
DateTime now = DateTime.Now;
string asyncToken = now.Ticks.ToString(CultureInfo.InvariantCulture);
AsyncTask asyncTask = null;
if (requestStream == null)
{
asyncTask = new AsyncTask(this, this.CreateRequestMessage(null), now.AddSeconds(AsyncTask.DefaultDuration));
}
else
{
StreamPipe requestPipe = new StreamPipe();
using (requestPipe.WriteStream)
{
requestStream.CopyTo(requestPipe.WriteStream); // read the input stream to memory
}
var requestMessage = this.CreateRequestMessage(requestPipe.ReadStream);
asyncTask = new AsyncTask(this, requestMessage, now.AddSeconds(AsyncTask.DefaultDuration));
}
AsyncTask.AddTask(asyncToken, asyncTask);
StreamPipe responsePipe = new StreamPipe();
var responseMessage = new ODataResponseMessage(responsePipe.WriteStream, 202); //202 Accepted
responseMessage.PreferenceAppliedHeader().RespondAsync = true;
ResponseWriter.WriteAsyncPendingResponse(responseMessage, asyncToken);
return responsePipe.ReadStream;
}
public Object ParseAsync(HttpResponseMessage response)
{
using (Stream stream = response.Content.ReadAsStreamAsync().Result)
{
var responseMessage = new ODataResponseMessage(stream);
var context = new ODataDeserializerContext() { Model = Model, Request = response.RequestMessage };
using (var messageReader = new ODataMessageReader(responseMessage, _settings, Model))
{
ODataResult result = GetODataResult(messageReader);
while (result.ODataReader.Read())
{
if (result.ODataReader.State == ODataReaderState.EntryEnd)
{
var entry = (ODataEntry)result.ODataReader.Item;
var entityType = (IEdmEntityType)Model.FindType(entry.TypeName);
var entityTypeReference = new EdmEntityTypeReference(entityType, false);
var navigationLinks = new ODataEntryWithNavigationLinks(entry);
result.AddResult(_deserializer.ReadEntry(navigationLinks, entityTypeReference, context));
}
}
return result.Result;
}
}
}
