public async Task <MetaData> FilesAsync(string path, Stream targetStream, string rev = null, string asTeamMember = null)
{
MetaData fileMetadata = null;
HttpResponseMessage restResponse = await _requestExecuter.Execute(() => _requestGenerator.Files(_options.Root, path, rev, asTeamMember)).ConfigureAwait(false);
await _requestExecuter.CheckForError(restResponse, false).ConfigureAwait(false);
long?length = restResponse.Content.Headers.ContentLength;
if (length == null)
{
IEnumerable <string> metadatas;
if (restResponse.Headers.TryGetValues("x-dropbox-metadata", out metadatas))
{
string metadata = metadatas.FirstOrDefault();
if (metadata != null)
{
fileMetadata = JsonConvert.DeserializeObject <MetaData>(metadata);
length = fileMetadata.bytes;
}
}
}
string etag = "";
IEnumerable <string> etags;
if (restResponse.Headers.TryGetValues("etag", out etags))
{
etag = etags.FirstOrDefault();
}
long?read = 0;
do
{
long?from = read;
long?to = read + _options.ChunkSize;
if (to > length)
{
to = length;
}
restResponse =
await
_requestExecuter.Execute(() => _requestGenerator.FilesRange(_options.Root, path, from.Value, to.Value - 1, etag, rev, asTeamMember)).ConfigureAwait(false);
await restResponse.Content.CopyToAsync(targetStream).ConfigureAwait(false);
read += restResponse.Content.Headers.ContentLength;
if (read >= length)
{
break;
}
} while (restResponse.StatusCode == HttpStatusCode.PartialContent);
return(fileMetadata);
}
public async Task <MetaData> FilesAsync(string path, Stream targetStream, string rev = null, string asTeamMember = null, CancellationToken cancellationToken = default(CancellationToken))
{
MetaData fileMetadata = null;
using (var restResponse = await _requestExecuter.Execute(() => _requestGenerator.Files(_options.Root, path, rev, asTeamMember), cancellationToken: cancellationToken).ConfigureAwait(false))
{
await _requestExecuter.CheckForError(restResponse, false).ConfigureAwait(false);
long?length = restResponse.Content.Headers.ContentLength;
if (length == null)
{
IEnumerable <string> metadatas;
if (restResponse.Headers.TryGetValues("x-dropbox-metadata", out metadatas))
{
string metadata = metadatas.FirstOrDefault();
if (metadata != null)
{
fileMetadata = JsonConvert.DeserializeObject <MetaData>(metadata);
length = fileMetadata.bytes;
}
}
}
string etag = "";
IEnumerable <string> etags;
if (restResponse.Headers.TryGetValues("etag", out etags))
{
etag = etags.FirstOrDefault();
}
long read = 0;
bool hasMore = true;
do
{
long from = read;
long to = read + _options.ChunkSize;
using (var restResponse2 = await _requestExecuter.Execute(() => _requestGenerator.FilesRange(_options.Root, path, from, to - 1, etag, rev, asTeamMember), cancellationToken: cancellationToken).ConfigureAwait(false))
{
await restResponse2.Content.CopyToAsync(targetStream).ConfigureAwait(false);
read += (restResponse2.Content.Headers.ContentLength ?? 0);
if (length.HasValue && read >= length.Value)
{
hasMore = false;
}
else if (restResponse2.StatusCode == HttpStatusCode.OK)
{
hasMore = false;
}
}
} while (hasMore);
}
return(fileMetadata);
}
public async Task <MetaData> FilesAsync(string path, Stream targetStream, string rev = null,
string asTeamMember = null, CancellationToken cancellationToken = default(CancellationToken))
{
MetaData fileMetadata = null;
string etag = "";
long? length = null;
try
{
using (var restResponse = await _requestExecuter.Execute(
() => _requestGenerator.Files(_options.Root, path, rev, asTeamMember),
cancellationToken: cancellationToken).ConfigureAwait(false))
{
await _requestExecuter.CheckForError(restResponse, false, cancellationToken).ConfigureAwait(false);
length = restResponse.Content.Headers.ContentLength;
if (length == null)
{
IEnumerable <string> metadatas;
if (restResponse.Headers.TryGetValues("x-dropbox-metadata", out metadatas))
{
string metadata = metadatas.FirstOrDefault();
if (metadata != null)
{
fileMetadata = JsonConvert.DeserializeObject <MetaData>(metadata);
length = fileMetadata.bytes;
}
}
}
IEnumerable <string> etags;
if (restResponse.Headers.TryGetValues("etag", out etags))
{
etag = etags.FirstOrDefault();
}
}
}
catch (HttpException)
{
// Retry the Files request now with GET method in order to retrieve the full error message from the request
using (var restResponseWithContent = await _requestExecuter.Execute(
() => _requestGenerator.Files(_options.Root, path, rev, asTeamMember, true),
cancellationToken: cancellationToken).ConfigureAwait(false))
{
await
_requestExecuter.CheckForError(restResponseWithContent, false, cancellationToken)
.ConfigureAwait(false);
}
throw;
}
long read = 0;
bool hasMore = true;
do
{
long from = read;
long to = read + _options.ChunkSize;
using (var restResponse2 = await _requestExecuter.Execute(() => _requestGenerator.FilesRange(_options.Root, path, from, to - 1, etag, rev, asTeamMember), cancellationToken: cancellationToken).ConfigureAwait(false))
{
try
{
using (cancellationToken.Register(restResponse2.Dispose))
await restResponse2.Content.CopyToAsync(targetStream).ConfigureAwait(false);
}
catch (HttpRequestException ex)
{
if (ex.InnerException != null && ex.InnerException is ObjectDisposedException)
{
cancellationToken.ThrowIfCancellationRequested();
}
throw;
}
catch (ObjectDisposedException)
{
cancellationToken.ThrowIfCancellationRequested();
}
read += (restResponse2.Content.Headers.ContentLength ?? 0);
if (length.HasValue && read >= length.GetValueOrDefault())
{
hasMore = false;
}
else if (restResponse2.StatusCode == HttpStatusCode.OK)
{
hasMore = false;
}
}
} while (hasMore);
return(fileMetadata);
}
public async Task <MetaData> FilesAsync(string path, Stream targetStream, IProgress <MyTaskProgressReport> progress = null, string rev = null, string asTeamMember = null)
{
MetaData fileMetadata = null;
using (var restResponse = await _requestExecuter.Execute(() => _requestGenerator.Files(_options.Root, path, rev, asTeamMember)).ConfigureAwait(false))
{
await _requestExecuter.CheckForError(restResponse, false).ConfigureAwait(false);
long?length = restResponse.Content.Headers.ContentLength;
if (length == null)
{
IEnumerable <string> metadatas;
if (restResponse.Headers.TryGetValues("x-dropbox-metadata", out metadatas))
{
string metadata = metadatas.FirstOrDefault();
if (metadata != null)
{
fileMetadata = JsonConvert.DeserializeObject <MetaData>(metadata);
length = fileMetadata.bytes;
}
}
}
string etag = "";
IEnumerable <string> etags;
if (restResponse.Headers.TryGetValues("etag", out etags))
{
etag = etags.FirstOrDefault();
}
targetStream.SetLength((long)length);
long?read = 0;
bool hasMore = true;
do
{
long?from = read;
long?to = read + _options.ChunkSize;
if (to > length)
{
to = length;
}
if (from >= length)
{
break;
}
using (var restResponse2 = await _requestExecuter.Execute(() => _requestGenerator.FilesRange(_options.Root, path, from.Value, to.Value - 1, etag, rev, asTeamMember)).ConfigureAwait(false))
{
await restResponse2.Content.CopyToAsync(targetStream).ConfigureAwait(false);
read += restResponse2.Content.Headers.ContentLength;
if (progress != null)
{
progress.Report(new MyTaskProgressReport {
CurrentProgressAmount = read, TotalProgressAmount = length
});
}
if (read >= length)
{
hasMore = false;
}
else if (restResponse2.StatusCode == HttpStatusCode.OK)
{
hasMore = false;
}
}
} while (hasMore);
}
return(fileMetadata);
}
