/// <summary>
/// Implements the ListRanges method.
/// </summary>
/// <param name="accessCondition">An object that represents the access conditions for the file. If null, no condition is used.</param>
/// <param name="options">An object that specifies additional options for the request.</param>
/// <returns>A <see cref="RESTCommand"/> for getting the ranges.</returns>
private RESTCommand<IEnumerable<FileRange>> ListRangesImpl(long? offset, long? length, AccessCondition accessCondition, FileRequestOptions options)
{
RESTCommand<IEnumerable<FileRange>> getCmd = new RESTCommand<IEnumerable<FileRange>>(this.ServiceClient.Credentials, this.StorageUri);
options.ApplyToStorageCommand(getCmd);
getCmd.CommandLocationMode = CommandLocationMode.PrimaryOrSecondary;
getCmd.RetrieveResponseStream = true;
getCmd.Handler = this.ServiceClient.AuthenticationHandler;
getCmd.BuildClient = HttpClientFactory.BuildHttpClient;
getCmd.BuildRequest = (cmd, uri, builder, cnt, serverTimeout, ctx) =>
{
HttpRequestMessage msg = FileHttpRequestMessageFactory.ListRanges(uri, serverTimeout, offset, length, accessCondition, cnt, ctx);
FileHttpRequestMessageFactory.AddMetadata(msg, this.Metadata);
return msg;
};
getCmd.PreProcessResponse = (cmd, resp, ex, ctx) => HttpResponseParsers.ProcessExpectedStatusCodeNoException(HttpStatusCode.OK, resp, null /* retVal */, cmd, ex);
getCmd.PostProcessResponse = (cmd, resp, ctx) =>
{
this.UpdateETagLMTAndLength(resp, true);
return Task.Factory.StartNew(() =>
{
ListRangesResponse listRangesResponse = new ListRangesResponse(cmd.ResponseStream);
IEnumerable<FileRange> ranges = listRangesResponse.Ranges.ToList();
return ranges;
});
};
return getCmd;
}
/// <summary>
/// Gets the ranges implementation.
/// </summary>
/// <param name="offset">The start offset.</param>
/// <param name="length">Length of the data range to be cleared.</param>
/// <param name="accessCondition">An <see cref="AccessCondition"/> object that represents the access conditions for the file. If <c>null</c>, no condition is used.</param>
/// <param name="options">An <see cref="FileRequestOptions"/> object that specifies additional options for the request.</param>
/// <returns>A <see cref="RESTCommand{T}"/> for getting the ranges.</returns>
private RESTCommand<IEnumerable<FileRange>> ListRangesImpl(long? offset, long? length, AccessCondition accessCondition, FileRequestOptions options)
{
RESTCommand<IEnumerable<FileRange>> getCmd = new RESTCommand<IEnumerable<FileRange>>(this.ServiceClient.Credentials, this.StorageUri);
options.ApplyToStorageCommand(getCmd);
getCmd.CommandLocationMode = CommandLocationMode.PrimaryOrSecondary;
getCmd.RetrieveResponseStream = true;
getCmd.BuildRequestDelegate = (uri, builder, serverTimeout, useVersionHeader, ctx) => FileHttpWebRequestFactory.ListRanges(uri, serverTimeout, offset, length, accessCondition, useVersionHeader, ctx);
getCmd.SetHeaders = (r, ctx) => FileHttpWebRequestFactory.AddMetadata(r, this.Metadata);
getCmd.SignRequest = this.ServiceClient.AuthenticationHandler.SignRequest;
getCmd.PreProcessResponse = (cmd, resp, ex, ctx) => HttpResponseParsers.ProcessExpectedStatusCodeNoException(HttpStatusCode.OK, resp, null /* retVal */, cmd, ex);
getCmd.PostProcessResponse = (cmd, resp, ctx) =>
{
this.UpdateETagLMTAndLength(resp, true);
ListRangesResponse listRangesResponse = new ListRangesResponse(cmd.ResponseStream);
IEnumerable<FileRange> ranges = listRangesResponse.Ranges.ToList();
return ranges;
};
return getCmd;
}
public void ClearRangeScenarioTest(string shareName, string fileName, HttpStatusCode? expectedError)
{
// 1. Create Sparse File
int fileSize = 128 * 1024;
FileProperties properties = new FileProperties();
Uri uri = FileTests.ConstructPutUri(FileContext.Address, shareName, fileName);
OperationContext opContext = new OperationContext();
HttpWebRequest webRequest = FileHttpWebRequestFactory.Create(uri, FileContext.Timeout, properties, fileSize, null, true, opContext);
FileTests.SignRequest(webRequest, FileContext);
using (HttpWebResponse response = webRequest.GetResponse() as HttpWebResponse)
{
FileTests.PutFileResponse(response, FileContext, expectedError);
}
// 2. Now upload some ranges
for (int m = 0; m * 512 * 4 < fileSize; m++)
{
int startOffset = 512 * 4 * m;
int length = 512;
FileRange range = new FileRange(startOffset, startOffset + length - 1);
opContext = new OperationContext();
HttpWebRequest rangeRequest = FileHttpWebRequestFactory.PutRange(uri, FileContext.Timeout, range, FileRangeWrite.Update, null, true, opContext);
rangeRequest.ContentLength = 512;
FileTests.SignRequest(rangeRequest, FileContext);
Stream outStream = rangeRequest.GetRequestStream();
for (int n = 0; n < 512; n++)
{
outStream.WriteByte((byte)m);
}
outStream.Close();
using (HttpWebResponse rangeResponse = rangeRequest.GetResponse() as HttpWebResponse)
{
}
}
// 3. Now do a List Ranges
List<FileRange> fileRanges = new List<FileRange>();
opContext = new OperationContext();
HttpWebRequest listRangesRequest = FileHttpWebRequestFactory.ListRanges(uri, FileContext.Timeout, null, null, null, true, opContext);
FileTests.SignRequest(listRangesRequest, FileContext);
using (HttpWebResponse rangeResponse = listRangesRequest.GetResponse() as HttpWebResponse)
{
ListRangesResponse listRangesResponse = new ListRangesResponse(rangeResponse.GetResponseStream());
fileRanges.AddRange(listRangesResponse.Ranges.ToList());
}
// 4. Now Clear some ranges
bool skipFlag = false;
foreach (FileRange pRange in fileRanges)
{
skipFlag = !skipFlag;
if (skipFlag)
{
continue;
}
opContext = new OperationContext();
HttpWebRequest clearRangeRequest = FileHttpWebRequestFactory.PutRange(uri, FileContext.Timeout, pRange, FileRangeWrite.Clear, null, true, opContext);
clearRangeRequest.ContentLength = 0;
FileTests.SignRequest(clearRangeRequest, FileContext);
using (HttpWebResponse clearResponse = clearRangeRequest.GetResponse() as HttpWebResponse)
{
}
}
// 5. Get New ranges and verify
List<FileRange> newFileRanges = new List<FileRange>();
opContext = new OperationContext();
HttpWebRequest newFileRangeRequest = FileHttpWebRequestFactory.ListRanges(uri, FileContext.Timeout, null, null, null, true, opContext);
FileTests.SignRequest(newFileRangeRequest, FileContext);
using (HttpWebResponse newFileRangeResponse = newFileRangeRequest.GetResponse() as HttpWebResponse)
{
ListRangesResponse listNewRangesResponse = new ListRangesResponse(newFileRangeResponse.GetResponseStream());
newFileRanges.AddRange(listNewRangesResponse.Ranges.ToList());
}
Assert.AreEqual(fileRanges.Count(), newFileRanges.Count() * 2);
for (int l = 0; l < newFileRanges.Count(); l++)
{
Assert.AreEqual(fileRanges[2 * l].StartOffset, newFileRanges[l].StartOffset);
Assert.AreEqual(fileRanges[2 * l].EndOffset, newFileRanges[l].EndOffset);
}
}
