internal static async Task <IList <TableResult> > TableBatchOperationPostProcess(IList <TableResult> result, TableBatchOperation batch, RESTCommand <IList <TableResult> > cmd, HttpResponseMessage resp, OperationContext ctx, TableRequestOptions options, CancellationToken cancellationToken)
{
Stream responseStream = cmd.ResponseStream;
StreamReader streamReader = new StreamReader(responseStream);
string currentLine = await streamReader.ReadLineAsync().ConfigureAwait(false);
currentLine = await streamReader.ReadLineAsync().ConfigureAwait(false);
int index = 0;
bool failError = false;
bool failUnexpected = false;
while ((currentLine != null) && !(currentLine.StartsWith(@"--batchresponse")))
//while (reader.State == ODataBatchReaderState.Operation)
{
while (!(currentLine.StartsWith("HTTP")))
{
currentLine = await streamReader.ReadLineAsync().ConfigureAwait(false);
}
// The first line of the response looks like this:
// HTTP/1.1 204 No Content
// The HTTP status code is chars 9 - 11.
int statusCode = Int32.Parse(currentLine.Substring(9, 3));
Dictionary <string, string> headers = new Dictionary <string, string>();
currentLine = await streamReader.ReadLineAsync().ConfigureAwait(false);
while (!string.IsNullOrWhiteSpace(currentLine))
{
// The headers all look like this:
// Cache-Control: no-cache
// This code below parses out the header names and values, by noting the location of the colon.
int colonIndex = currentLine.IndexOf(':');
headers[currentLine.Substring(0, colonIndex)] = currentLine.Substring(colonIndex + 2);
currentLine = await streamReader.ReadLineAsync().ConfigureAwait(false);
}
MemoryStream bodyStream = null;
currentLine = await streamReader.ReadLineAsync().ConfigureAwait(false);
if (statusCode != 204)
{
bodyStream = new MemoryStream(Encoding.UTF8.GetBytes(currentLine));
}
currentLine = await streamReader.ReadLineAsync().ConfigureAwait(false);
currentLine = await streamReader.ReadLineAsync().ConfigureAwait(false);
TableOperation currentOperation = batch[index];
TableResult currentResult = new TableResult()
{
Result = currentOperation.Entity
};
result.Add(currentResult);
string contentType = null;
if (headers.ContainsKey(Constants.ContentTypeElement))
{
contentType = headers[Constants.ContentTypeElement];
}
currentResult.HttpStatusCode = statusCode;
// Validate Status Code
if (currentOperation.OperationType == TableOperationType.Insert)
{
failError = statusCode == (int)HttpStatusCode.Conflict;
if (currentOperation.EchoContent)
{
failUnexpected = statusCode != (int)HttpStatusCode.Created;
}
else
{
failUnexpected = statusCode != (int)HttpStatusCode.NoContent;
}
}
else if (currentOperation.OperationType == TableOperationType.Retrieve)
{
if (statusCode == (int)HttpStatusCode.NotFound)
{
index++;
continue;
}
failUnexpected = statusCode != (int)HttpStatusCode.OK;
}
else
{
failError = statusCode == (int)HttpStatusCode.NotFound;
failUnexpected = statusCode != (int)HttpStatusCode.NoContent;
}
if (failError)
{
// If the parse error is null, then don't get the extended error information and the StorageException will contain SR.ExtendedErrorUnavailable message.
if (cmd.ParseError != null)
{
cmd.CurrentResult.ExtendedErrorInformation = cmd.ParseError(bodyStream, resp, contentType);
}
else
{
cmd.CurrentResult.ExtendedErrorInformation = StorageExtendedErrorInformation.ReadFromStream(bodyStream);
}
cmd.CurrentResult.HttpStatusCode = statusCode;
if (!string.IsNullOrEmpty(cmd.CurrentResult.ExtendedErrorInformation.ErrorMessage))
{
string msg = cmd.CurrentResult.ExtendedErrorInformation.ErrorMessage;
cmd.CurrentResult.HttpStatusMessage = msg.Substring(0, msg.IndexOf("\n"));
}
else
{
cmd.CurrentResult.HttpStatusMessage = statusCode.ToString();
}
throw new StorageException(
cmd.CurrentResult,
cmd.CurrentResult.ExtendedErrorInformation != null ? cmd.CurrentResult.ExtendedErrorInformation.ErrorMessage : SR.ExtendedErrorUnavailable,
null)
{
IsRetryable = false
};
}
if (failUnexpected)
{
// If the parse error is null, then don't get the extended error information and the StorageException will contain SR.ExtendedErrorUnavailable message.
if (cmd.ParseError != null)
{
cmd.CurrentResult.ExtendedErrorInformation = cmd.ParseError(bodyStream, resp, contentType);
}
cmd.CurrentResult.HttpStatusCode = statusCode;
if (!string.IsNullOrEmpty(cmd.CurrentResult.ExtendedErrorInformation.ErrorMessage))
{
string msg = cmd.CurrentResult.ExtendedErrorInformation.ErrorMessage;
cmd.CurrentResult.HttpStatusMessage = msg.Substring(0, msg.IndexOf("\n"));
}
else
{
cmd.CurrentResult.HttpStatusMessage = statusCode.ToString(CultureInfo.InvariantCulture);
}
string indexString = Convert.ToString(index);
// Attempt to extract index of failing entity from extended error info
if (cmd.CurrentResult.ExtendedErrorInformation != null &&
!string.IsNullOrEmpty(cmd.CurrentResult.ExtendedErrorInformation.ErrorMessage))
{
string tempIndex = TableRequest.ExtractEntityIndexFromExtendedErrorInformation(cmd.CurrentResult);
if (!string.IsNullOrEmpty(tempIndex))
{
indexString = tempIndex;
}
}
throw new StorageException(cmd.CurrentResult, string.Format(SR.BatchErrorInOperation, indexString), null)
{
IsRetryable = true
};
}
if ((headers.ContainsKey(Constants.HeaderConstants.EtagHeader)) && (!string.IsNullOrEmpty(headers[Constants.HeaderConstants.EtagHeader])))
{
currentResult.Etag = headers[Constants.HeaderConstants.EtagHeader];
if (currentOperation.Entity != null)
{
currentOperation.Entity.ETag = currentResult.Etag;
}
}
// Parse Entity if needed
if (currentOperation.OperationType == TableOperationType.Retrieve || (currentOperation.OperationType == TableOperationType.Insert && currentOperation.EchoContent))
{
if (headers[Constants.ContentTypeElement].Contains(Constants.JsonNoMetadataAcceptHeaderValue))
{
await ReadEntityUsingJsonParserAsync(currentResult, currentOperation, bodyStream, ctx, options, cancellationToken).ConfigureAwait(false);
}
else
{
await ReadOdataEntityAsync(currentResult, currentOperation, bodyStream, ctx, options, cancellationToken).ConfigureAwait(false);
}
}
else if (currentOperation.OperationType == TableOperationType.Insert)
{
currentOperation.Entity.Timestamp = ParseETagForTimestamp(currentResult.Etag);
}
index++;
}
return(result);
}
internal static IList <TableResult> TableBatchOperationPostProcess(IList <TableResult> result, TableBatchOperation batch, RESTCommand <IList <TableResult> > cmd, HttpWebResponse resp, OperationContext ctx)
{
ODataMessageReaderSettings readerSettings = new ODataMessageReaderSettings();
readerSettings.MessageQuotas = new ODataMessageQuotas()
{
MaxPartsPerBatch = TableConstants.TableServiceMaxResults, MaxReceivedMessageSize = TableConstants.TableServiceMaxPayload
};
using (ODataMessageReader responseReader = new ODataMessageReader(new HttpResponseAdapterMessage(resp, cmd.ResponseStream), readerSettings))
{
// create a reader
ODataBatchReader reader = responseReader.CreateODataBatchReader();
// Initial => changesetstart
if (reader.State == ODataBatchReaderState.Initial)
{
reader.Read();
}
if (reader.State == ODataBatchReaderState.ChangesetStart)
{
// ChangeSetStart => Operation
reader.Read();
}
int index = 0;
bool failError = false;
bool failUnexpected = false;
while (reader.State == ODataBatchReaderState.Operation)
{
TableOperation currentOperation = batch[index];
TableResult currentResult = new TableResult()
{
Result = currentOperation.Entity
};
result.Add(currentResult);
ODataBatchOperationResponseMessage mimePartResponseMessage = reader.CreateOperationResponseMessage();
currentResult.HttpStatusCode = mimePartResponseMessage.StatusCode;
// Validate Status Code
if (currentOperation.OperationType == TableOperationType.Insert)
{
failError = mimePartResponseMessage.StatusCode == (int)HttpStatusCode.Conflict;
failUnexpected = mimePartResponseMessage.StatusCode != (int)HttpStatusCode.Created;
}
else if (currentOperation.OperationType == TableOperationType.Retrieve)
{
if (mimePartResponseMessage.StatusCode == (int)HttpStatusCode.NotFound)
{
index++;
// Operation => next
reader.Read();
continue;
}
failUnexpected = mimePartResponseMessage.StatusCode != (int)HttpStatusCode.OK;
}
else
{
failError = mimePartResponseMessage.StatusCode == (int)HttpStatusCode.NotFound;
failUnexpected = mimePartResponseMessage.StatusCode != (int)HttpStatusCode.NoContent;
}
if (failError)
{
cmd.CurrentResult.ExtendedErrorInformation = StorageExtendedErrorInformation.ReadFromStream(mimePartResponseMessage.GetStream());
cmd.CurrentResult.HttpStatusCode = mimePartResponseMessage.StatusCode;
throw new StorageException(
cmd.CurrentResult,
cmd.CurrentResult.ExtendedErrorInformation != null ? cmd.CurrentResult.ExtendedErrorInformation.ErrorMessage : SR.ExtendedErrorUnavailable,
null)
{
IsRetryable = false
};
}
if (failUnexpected)
{
cmd.CurrentResult.ExtendedErrorInformation = StorageExtendedErrorInformation.ReadFromStream(mimePartResponseMessage.GetStream());
cmd.CurrentResult.HttpStatusCode = mimePartResponseMessage.StatusCode;
string indexString = Convert.ToString(index);
// Attempt to extract index of failing entity from extended error info
if (cmd.CurrentResult.ExtendedErrorInformation != null &&
!string.IsNullOrEmpty(cmd.CurrentResult.ExtendedErrorInformation.ErrorMessage))
{
string tempIndex = TableRequest.ExtractEntityIndexFromExtendedErrorInformation(cmd.CurrentResult);
if (!string.IsNullOrEmpty(tempIndex))
{
indexString = tempIndex;
}
}
throw new StorageException(cmd.CurrentResult, SR.UnexpectedResponseCodeForOperation + indexString, null)
{
IsRetryable = true
};
}
// Update etag
if (!string.IsNullOrEmpty(mimePartResponseMessage.GetHeader("ETag")))
{
currentResult.Etag = mimePartResponseMessage.GetHeader("ETag");
if (currentOperation.Entity != null)
{
currentOperation.Entity.ETag = currentResult.Etag;
}
}
// Parse Entity if needed
if (currentOperation.OperationType == TableOperationType.Retrieve || currentOperation.OperationType == TableOperationType.Insert)
{
ReadOdataEntity(currentResult, currentOperation, mimePartResponseMessage, ctx, readerSettings);
}
index++;
// Operation =>
reader.Read();
}
}
return(result);
}
internal static Task <IList <TableResult> > TableBatchOperationPostProcess(IList <TableResult> result, TableBatchOperation batch, RESTCommand <IList <TableResult> > cmd, HttpResponseMessage resp, OperationContext ctx, TableRequestOptions options, string accountName)
{
return(Task.Run(() =>
{
ODataMessageReaderSettings readerSettings = new ODataMessageReaderSettings();
readerSettings.MessageQuotas = new ODataMessageQuotas()
{
MaxPartsPerBatch = TableConstants.TableServiceMaxResults, MaxReceivedMessageSize = TableConstants.TableServiceMaxPayload
};
using (ODataMessageReader responseReader = new ODataMessageReader(new HttpResponseAdapterMessage(resp, cmd.ResponseStream), readerSettings))
{
// create a reader
ODataBatchReader reader = responseReader.CreateODataBatchReader();
// Initial => changesetstart
if (reader.State == ODataBatchReaderState.Initial)
{
reader.Read();
}
if (reader.State == ODataBatchReaderState.ChangesetStart)
{
// ChangeSetStart => Operation
reader.Read();
}
int index = 0;
bool failError = false;
bool failUnexpected = false;
while (reader.State == ODataBatchReaderState.Operation)
{
TableOperation currentOperation = batch[index];
TableResult currentResult = new TableResult()
{
Result = currentOperation.Entity
};
result.Add(currentResult);
ODataBatchOperationResponseMessage mimePartResponseMessage = reader.CreateOperationResponseMessage();
string contentType = mimePartResponseMessage.GetHeader(Constants.ContentTypeElement);
currentResult.HttpStatusCode = mimePartResponseMessage.StatusCode;
// Validate Status Code
if (currentOperation.OperationType == TableOperationType.Insert)
{
failError = mimePartResponseMessage.StatusCode == (int)HttpStatusCode.Conflict;
if (currentOperation.EchoContent)
{
failUnexpected = mimePartResponseMessage.StatusCode != (int)HttpStatusCode.Created;
}
else
{
failUnexpected = mimePartResponseMessage.StatusCode != (int)HttpStatusCode.NoContent;
}
}
else if (currentOperation.OperationType == TableOperationType.Retrieve)
{
if (mimePartResponseMessage.StatusCode == (int)HttpStatusCode.NotFound)
{
index++;
// Operation => next
reader.Read();
continue;
}
failUnexpected = mimePartResponseMessage.StatusCode != (int)HttpStatusCode.OK;
}
else
{
failError = mimePartResponseMessage.StatusCode == (int)HttpStatusCode.NotFound;
failUnexpected = mimePartResponseMessage.StatusCode != (int)HttpStatusCode.NoContent;
}
if (failError)
{
// If the parse error is null, then don't get the extended error information and the StorageException will contain SR.ExtendedErrorUnavailable message.
if (cmd.ParseError != null)
{
cmd.CurrentResult.ExtendedErrorInformation = cmd.ParseError(mimePartResponseMessage.GetStream(), resp, contentType);
}
else
{
cmd.CurrentResult.ExtendedErrorInformation = StorageExtendedErrorInformation.ReadFromStream(mimePartResponseMessage.GetStream());
}
cmd.CurrentResult.HttpStatusCode = mimePartResponseMessage.StatusCode;
throw new StorageException(
cmd.CurrentResult,
cmd.CurrentResult.ExtendedErrorInformation != null ? cmd.CurrentResult.ExtendedErrorInformation.ErrorMessage : SR.ExtendedErrorUnavailable,
null)
{
IsRetryable = false
};
}
if (failUnexpected)
{
// If the parse error is null, then don't get the extended error information and the StorageException will contain SR.ExtendedErrorUnavailable message.
if (cmd.ParseError != null)
{
cmd.CurrentResult.ExtendedErrorInformation = cmd.ParseError(mimePartResponseMessage.GetStream(), resp, contentType);
}
cmd.CurrentResult.HttpStatusCode = mimePartResponseMessage.StatusCode;
string indexString = Convert.ToString(index);
// Attempt to extract index of failing entity from extended error info
if (cmd.CurrentResult.ExtendedErrorInformation != null &&
!string.IsNullOrEmpty(cmd.CurrentResult.ExtendedErrorInformation.ErrorMessage))
{
string tempIndex = TableRequest.ExtractEntityIndexFromExtendedErrorInformation(cmd.CurrentResult);
if (!string.IsNullOrEmpty(tempIndex))
{
indexString = tempIndex;
}
}
throw new StorageException(cmd.CurrentResult, string.Format(SR.BatchErrorInOperation, indexString), null)
{
IsRetryable = true
};
}
// Update etag
if (!string.IsNullOrEmpty(mimePartResponseMessage.GetHeader("ETag")))
{
currentResult.Etag = mimePartResponseMessage.GetHeader("ETag");
if (currentOperation.Entity != null)
{
currentOperation.Entity.ETag = currentResult.Etag;
}
}
// Parse Entity if needed
if (currentOperation.OperationType == TableOperationType.Retrieve || (currentOperation.OperationType == TableOperationType.Insert && currentOperation.EchoContent))
{
if (mimePartResponseMessage.GetHeader(Constants.ContentTypeElement).Contains(Constants.JsonContentTypeHeaderValue) &&
mimePartResponseMessage.GetHeader(Constants.ContentTypeElement).Contains(Constants.NoMetadata))
{
ReadEntityUsingJsonParser(currentResult, currentOperation, mimePartResponseMessage.GetStream(), ctx, options);
}
else
{
ReadOdataEntity(currentResult, currentOperation, mimePartResponseMessage, ctx, readerSettings, accountName);
}
}
else if (currentOperation.OperationType == TableOperationType.Insert)
{
currentOperation.Entity.Timestamp = ParseETagForTimestamp(currentResult.Etag);
}
index++;
// Operation =>
reader.Read();
}
}
return result;
}));
}
