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, 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, 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); } }
/// <summary> /// Constructs a web request to return the list of valid ranges for a file. /// </summary> /// <param name="uri">The absolute URI to the file.</param> /// <param name="timeout">The server timeout interval.</param> /// <param name="offset">The starting offset of the data range over which to list file ranges, in bytes.</param> /// <param name="count">The length of the data range over which to list file ranges, in bytes.</param> /// <param name="accessCondition">The access condition to apply to the request.</param> /// <param name="useVersionHeader">A boolean value indicating whether to set the <i>x-ms-version</i> HTTP header.</param> /// <param name="operationContext">An <see cref="OperationContext" /> object for tracking the current operation.</param> /// <returns>A <see cref="System.Net.HttpWebRequest"/> object.</returns> public static HttpWebRequest ListRanges(Uri uri, int?timeout, long?offset, long?count, AccessCondition accessCondition, bool useVersionHeader, OperationContext operationContext) { return(FileHttpWebRequestFactory.ListRanges(uri, timeout, offset, count, null /* shareSnapshot */, accessCondition, useVersionHeader, operationContext)); }