private void DownloadPart(object state)
{
DownloadTaskParam taskParam = state as DownloadTaskParam;
if (taskParam == null)
{
throw new ClientException("Internal error. The taskParam should be type of DownloadTaskParam");
}
DownloadObjectRequest request = taskParam.Request;
ResumablePartContext part = taskParam.Part;
EventHandler <StreamTransferProgressArgs> downloadProgressCallback = taskParam.DownloadProgressCallback;
try
{
string fileName = GetTempDownloadFile(request);
if (part.IsCompleted && File.Exists(fileName))
{
return;
}
const int retryCount = 3;
for (int i = 0; i < retryCount; i++)
{
try
{
GetObjectRequest partRequest = request.ToGetObjectRequest();
partRequest.SetRange(part.Position, part.Position + part.Length - 1);
using (var partResult = _ossClient.GetObject(partRequest))
{
using (var fs = File.Open(fileName, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.ReadWrite))
{
fs.Seek(part.Position, SeekOrigin.Begin);
long totalBytes = WriteTo(partResult.Content, fs);
if (totalBytes != part.Length)
{
throw new OssException(string.Format("Part {0} returns {1} bytes. Expected size is {2} bytes",
part.PartId, totalBytes, part.Length));
}
Interlocked.Add(ref _downloadedBytes, partResult.ContentLength);
}
part.IsCompleted = true;
return;
}
}
catch (Exception ex) // when the connection is closed while sending the data, it will run into ObjectDisposedException.
{
if (!(ex is ObjectDisposedException || ex is WebException) || i == retryCount - 1)
{
throw;
}
}
}
throw new ClientException("DownloadPart runs into internal error");
}
catch (Exception e)
{
taskParam.Error = e;
}
finally
{
taskParam.DownloadFinished.Set();
}
}
public static void DownloadObjectUsingRange(IOss ossClient, string bucketName, string objectKeyName, string targetFile)
{
var length = ossClient.GetObjectMetadata(bucketName, objectKeyName).ContentLength;
var goRequest = new GetObjectRequest(bucketName, objectKeyName);
goRequest.SetRange(0, length / 2);
var originalObject = ossClient.GetObject(goRequest);
using (var requestStream = originalObject.Content)
{
using (var localfile = File.Open(targetFile, FileMode.OpenOrCreate))
{
WriteTo(requestStream, localfile);
}
}
goRequest.SetRange(length / 2 + 1, length -1);
originalObject = ossClient.GetObject(goRequest);
using (var requestStream = originalObject.Content)
{
using (var localfile = File.Open(targetFile, FileMode.Append))
{
WriteTo(requestStream, localfile);
}
}
}
private static string GetOssImageObjectInfo(string bucket, string key)
{
GetObjectRequest request = new GetObjectRequest(_bucketName, _processedKey, "image/info");
OssObject ossObject = _ossClient.GetObject(request);
StringBuilder builder = new StringBuilder();
using (var requestStream = ossObject.Content)
{
byte[] buf = new byte[1024];
var len = 0;
while ((len = requestStream.Read(buf, 0, 1024)) != 0)
{
byte[] subBuf = new byte[len];
Buffer.BlockCopy(buf, 0, subBuf, 0, len);
builder.Append(Encoding.Default.GetString(subBuf));
}
}
return builder.ToString();
}
public void ImageProcessTest()
{
try
{
// put example image
_ossClient.PutObject(_bucketName, _keyName, _localImageFile);
// get processed image
GetObjectRequest request = new GetObjectRequest(_bucketName, _keyName, _process);
OssObject ossObject = _ossClient.GetObject(request);
// put processed image
Stream seekableStream = ConvertStreamToSeekable(ossObject.Content);
_ossClient.PutObject(_bucketName, _processedKey, seekableStream);
// get info of processed image
var imgInfo = GetOssImageObjectInfo(_bucketName, _processedKey);
// check processed result
Assert.AreEqual(imgInfo, _imageInfo);
}
finally
{
_ossClient.DeleteObject(_bucketName, _keyName);
_ossClient.DeleteObject(_bucketName, _processedKey);
}
}
public void UploadObjectWithFileSurfix2()
{
var key = OssTestUtils.GetObjectKey(_className);
var newFileName = Path.GetDirectoryName(Config.UploadSampleFile) + "/newfile.m4u";
try
{
File.Copy(Config.UploadSampleFile, newFileName, true);
OssTestUtils.UploadObject(_ossClient, _bucketName, key, newFileName, null);
Assert.IsTrue(OssTestUtils.ObjectExists(_ossClient, _bucketName, key));
var coRequest = new GetObjectRequest(_bucketName, key);
var result = _ossClient.GetObject(coRequest);
Assert.AreEqual("video/vnd.mpegurl", result.Metadata.ContentType);
}
finally
{
if (OssTestUtils.ObjectExists(_ossClient, _bucketName, key))
{
_ossClient.DeleteObject(_bucketName, key);
File.Delete(newFileName);
}
}
}
public void UploadObjectWithFileSurfixAndFileSurfix()
{
var key = OssTestUtils.GetObjectKey(_className) + ".potx";
var newFileName = Path.GetDirectoryName(Config.UploadSampleFile) + "/newFile.docx";
try
{
File.Copy(Config.UploadSampleFile, newFileName, true);
OssTestUtils.UploadObject(_ossClient, _bucketName, key, newFileName, null);
Assert.IsTrue(OssTestUtils.ObjectExists(_ossClient, _bucketName, key));
var coRequest = new GetObjectRequest(_bucketName, key);
var result = _ossClient.GetObject(coRequest);
Assert.AreEqual("application/vnd.openxmlformats-officedocument.wordprocessingml.document",
result.Metadata.ContentType);
}
finally
{
if (OssTestUtils.ObjectExists(_ossClient, _bucketName, key))
{
_ossClient.DeleteObject(_bucketName, key);
File.Delete(newFileName);
}
}
}
public void GetObjectUnmodifiedSinceNegativeTest()
{
var coRequest = new GetObjectRequest(_bucketName, _objectKey);
coRequest.UnmodifiedSinceConstraint = DateTime.UtcNow.AddDays(-1);
try
{
_ossClient.GetObject(coRequest);
Assert.Fail("Get object should not pass with UnmodifiedSince set to wrong value");
}
catch (OssException e)
{
Assert.AreEqual(OssErrorCode.PreconditionFailed, e.ErrorCode);
}
}
public void GetObjectUnmodifiedSincePositiveTest()
{
var coRequest = new GetObjectRequest(_bucketName, _objectKey);
coRequest.UnmodifiedSinceConstraint = DateTime.UtcNow.AddDays(1);
_ossClient.GetObject(coRequest);
}
public void GetObjectNonMatchingETagPositiveTest()
{
var coRequest = new GetObjectRequest(_bucketName, _objectKey);
coRequest.NonmatchingETagConstraints.Add("Dummy");
_ossClient.GetObject(coRequest);
}
public void GetObjectNonMatchingETagNegativeTest()
{
var coRequest = new GetObjectRequest(_bucketName, _objectKey);
coRequest.NonmatchingETagConstraints.Add(_objectETag);
try
{
_ossClient.GetObject(coRequest);
Assert.Fail("Get object should not pass with NonMatchingETag set to wrong value");
}
catch (OssException e)
{
Assert.AreEqual(OssErrorCode.NotModified, e.ErrorCode);
}
}
public void GetObjectModifiedSinceNegativeTest()
{
var coRequest = new GetObjectRequest(_bucketName, _objectKey)
{
ModifiedSinceConstraint = DateTime.UtcNow.AddDays(1)
};
try
{
_ossClient.GetObject(coRequest);
Assert.Fail("Get object should not pass with ModifiedSince set to wrong value");
}
//according to API, return 304
catch (OssException e)
{
Assert.AreEqual(OssErrorCode.NotModified, e.ErrorCode);
}
}
public void UploadObjectWithNoSurfix()
{
var key = OssTestUtils.GetObjectKey(_className) + "";
try
{
using (var fs = File.Open(Config.UploadSampleFile, FileMode.Open))
{
_ossClient.PutObject(_bucketName, key, fs, null);
}
Assert.IsTrue(OssTestUtils.ObjectExists(_ossClient, _bucketName, key));
var coRequest = new GetObjectRequest(_bucketName, key);
var result = _ossClient.GetObject(coRequest);
Assert.AreEqual("application/octet-stream", result.Metadata.ContentType);
}
finally
{
if (OssTestUtils.ObjectExists(_ossClient, _bucketName, key))
{
_ossClient.DeleteObject(_bucketName, key);
}
}
}
public void UploadObjectWithKeySurfixAndMetadata()
{
var key = OssTestUtils.GetObjectKey(_className) + ".js";
try
{
var metadata = new ObjectMetadata();
metadata.ContentType = "application/vnd.android.package-archive";
using (var fs = File.Open(Config.UploadSampleFile, FileMode.Open))
{
_ossClient.PutObject(_bucketName, key, fs, metadata);
}
Assert.IsTrue(OssTestUtils.ObjectExists(_ossClient, _bucketName, key));
var coRequest = new GetObjectRequest(_bucketName, key);
var result = _ossClient.GetObject(coRequest);
Assert.AreEqual("application/vnd.android.package-archive", result.Metadata.ContentType);
}
finally
{
if (OssTestUtils.ObjectExists(_ossClient, _bucketName, key))
{
_ossClient.DeleteObject(_bucketName, key);
}
}
}