private void ClientReadBatchResponse(string batchContentType, byte[] responsePayload)
{
Debug.Assert(!string.IsNullOrEmpty(batchContentType), "!string.IsNullOrEmpty(batchContentType)");
IODataResponseMessage responseMessage = new InMemoryMessage()
{
Stream = new MemoryStream(responsePayload)
};
responseMessage.SetHeader("Content-Type", batchContentType);
using (var messageReader = new ODataMessageReader(responseMessage, new ODataMessageReaderSettings(), this.userModel))
{
var batchReader = messageReader.CreateODataBatchReader();
while (batchReader.Read())
{
switch (batchReader.State)
{
case ODataBatchReaderState.Operation:
ODataBatchOperationResponseMessage operationMessage = batchReader.CreateOperationResponseMessage();
if (operationMessage.StatusCode == 200)
{
using (ODataMessageReader innerMessageReader = new ODataMessageReader(
operationMessage, new ODataMessageReaderSettings(), this.userModel))
{
ODataReader reader = innerMessageReader.CreateODataResourceReader();
while (reader.Read())
{
}
}
}
break;
default:
break;
}
}
}
}
private byte[] ServiceReadReferenceUriBatchRequestAndWriteResponse(string batchContentType, byte[] requestPayload)
{
Debug.Assert(!string.IsNullOrEmpty(batchContentType), "!string.IsNullOrEmpty(batchContentType)");
IODataRequestMessage requestMessage = new InMemoryMessage()
{
Stream = new MemoryStream(requestPayload)
};
requestMessage.SetHeader("Content-Type", batchContentType);
ODataMessageReaderSettings settings = new ODataMessageReaderSettings();
settings.BaseUri = new Uri(serviceDocumentUri);
byte[] responseBytes = null;
using (ODataMessageReader messageReader = new ODataMessageReader(requestMessage, settings, this.userModel))
{
MemoryStream responseStream = new MemoryStream();
IODataResponseMessage responseMessage = new InMemoryMessage {
Stream = responseStream
};
// Client is expected to receive the response message in the same format as that is used in the request sent.
responseMessage.SetHeader("Content-Type", batchContentType);
using (ODataMessageWriter messageWriter = new ODataMessageWriter(responseMessage))
{
ODataBatchWriter batchWriter = messageWriter.CreateODataBatchWriter();
batchWriter.WriteStartBatch();
ODataBatchReader batchReader = messageReader.CreateODataBatchReader();
while (batchReader.Read())
{
switch (batchReader.State)
{
case ODataBatchReaderState.Operation:
// Encountered an operation (either top-level or in a change set)
ODataBatchOperationRequestMessage operationMessage =
batchReader.CreateOperationRequestMessage();
ODataBatchOperationResponseMessage response =
batchWriter.CreateOperationResponseMessage(operationMessage.ContentId);
if (operationMessage.Method == "PUT")
{
using (ODataMessageReader operationMessageReader = new ODataMessageReader(
operationMessage, new ODataMessageReaderSettings(), this.userModel))
{
ODataReader reader = operationMessageReader.CreateODataResourceReader();
}
response.StatusCode = 201;
response.SetHeader("Content-Type", "application/json;odata.metadata=none");
}
else if (operationMessage.Method == "PATCH")
{
using (ODataMessageReader operationMessageReader = new ODataMessageReader(
operationMessage, new ODataMessageReaderSettings(), this.userModel))
{
ODataReader reader = operationMessageReader.CreateODataResourceReader();
}
response.StatusCode = 204;
}
else if (operationMessage.Method == "GET")
{
response.StatusCode = 200;
response.SetHeader("Content-Type", "application/json;");
ODataMessageWriterSettings writerSettings = new ODataMessageWriterSettings();
writerSettings.ODataUri.ServiceRoot = new Uri(serviceDocumentUri);
using (
ODataMessageWriter operationMessageWriter = new ODataMessageWriter(response,
writerSettings, this.userModel))
{
ODataWriter entryWriter =
operationMessageWriter.CreateODataResourceWriter(this.singleton,
this.webType);
ODataResource entry = new ODataResource()
{
TypeName = "NS.Web",
Properties = new[]
{
new ODataProperty()
{
Name = "WebId", Value = -1
},
new ODataProperty()
{
Name = "Name", Value = aLongString
}
}
};
entryWriter.WriteStart(entry);
entryWriter.WriteEnd();
}
}
break;
case ODataBatchReaderState.ChangesetStart:
// Set the group Id on the writer side to correlate with request.
// Use API available in OData 7.2. Don't need to have same group Id for this test.
batchWriter.WriteStartChangeset();
break;
case ODataBatchReaderState.ChangesetEnd:
batchWriter.WriteEndChangeset();
break;
}
}
batchWriter.WriteEndBatch();
responseStream.Position = 0;
responseBytes = responseStream.ToArray();
}
return(responseBytes);
}
}
private byte[] CreateBatchRequest(string batchContentType, int unitRepeatCount)
{
Debug.Assert(!string.IsNullOrEmpty(batchContentType), "!string.IsNullOrEmpty(batchContentType)");
MemoryStream stream = new MemoryStream();
IODataRequestMessage requestMessage = new InMemoryMessage {
Stream = stream
};
requestMessage.SetHeader("Content-Type", batchContentType);
ODataMessageWriterSettings settings = new ODataMessageWriterSettings();
settings.BaseUri = new Uri(serviceDocumentUri);
using (ODataMessageWriter messageWriter = new ODataMessageWriter(requestMessage, settings))
{
ODataBatchWriter batchWriter = messageWriter.CreateODataBatchWriter();
batchWriter.WriteStartBatch();
// Each iteration generates a change set with two operations, followed by one top level operation.
// Operations count in each iteration is three.
// Use API available in OData 7.2
for (int idx = 0; idx < unitRepeatCount * NumOfRequestPerUnit; idx += NumOfRequestPerUnit)
{
batchWriter.WriteStartChangeset();
ODataBatchOperationRequestMessage createOperationMessage = batchWriter.CreateOperationRequestMessage(
"PUT",
new Uri(string.Format(CultureInfo.InvariantCulture, "{0}/{1}", serviceDocumentUri, "MySingleton")),
idx.ToString());
using (ODataMessageWriter operationMessageWriter = new ODataMessageWriter(createOperationMessage))
{
ODataWriter entryWriter = operationMessageWriter.CreateODataResourceWriter();
ODataResource entry = new ODataResource()
{
TypeName = "NS.Web",
Properties = new[]
{
new ODataProperty()
{
Name = "WebId", Value = "webid_" + idx
},
new ODataProperty()
{
Name = "Name", Value = this.aLongString
}
}
};
entryWriter.WriteStart(entry);
entryWriter.WriteEnd();
}
// A PATCH operation.
ODataBatchOperationRequestMessage updateOperationMessage = batchWriter.CreateOperationRequestMessage(
"PATCH",
new Uri(string.Format(CultureInfo.InvariantCulture, "{0}/{1}", serviceDocumentUri, "MySingleton")),
(idx + 1).ToString(),
BatchPayloadUriOption.AbsoluteUri);
using (ODataMessageWriter operationMessageWriter = new ODataMessageWriter(updateOperationMessage))
{
var entryWriter = operationMessageWriter.CreateODataResourceWriter();
var entry = new ODataResource()
{
TypeName = "NS.Web",
Properties = new[] { new ODataProperty()
{
Name = "WebId", Value = "webid_" + (idx + 1)
} }
};
entryWriter.WriteStart(entry);
entryWriter.WriteEnd();
}
batchWriter.WriteEndChangeset();
ODataBatchOperationRequestMessage queryOperationMessage = batchWriter.CreateOperationRequestMessage(
"GET",
new Uri(string.Format(CultureInfo.InvariantCulture, "{0}/{1}", serviceDocumentUri, "MySingleton")),
(idx + 2).ToString());
queryOperationMessage.SetHeader("Accept", "application/json;odata.metadata=full");
}
batchWriter.WriteEndBatch();
stream.Position = 0;
return(stream.ToArray());
}
}
