private async Task DownloadPartial(string id, TransmissionHelper transmissionHelper, string remoteFilePath, long startBytes, long endBytes, long step)
{
var headers = new Dictionary <string, string> {
{ "translate", "f" }, { "Range", "bytes=" + startBytes + "-" + endBytes }
};
if (CustomHeaders != null)
{
foreach (var keyValuePair in CustomHeaders)
{
headers.Add(keyValuePair.Key, keyValuePair.Value);
}
}
using (FileStream file = new FileStream($"{id}.dat", FileMode.Create))
using (var stream = await DownloadFile(remoteFilePath, headers))
{
var length = endBytes - startBytes + 1;
var consumed = 0;
var buffer = new byte[step];
while (consumed < length)
{
var read = await stream.ReadAsync(buffer, 0, buffer.Length);
await file.WriteAsync(buffer, 0, read);
consumed += read;
transmissionHelper.IncreaseRealTimeLength(read);
}
}
}
private async Task UploadPartial(TransmissionHelper transmissionHelper, Stream content, string remoteFileName, long startBytes, long endBytes, long totalLength)
{
Console.WriteLine($"startBytes:{startBytes} endBytes:{endBytes}");
// Should not have a trailing slash.
var uploadUri = await GetServerUrl(remoteFileName, false).ConfigureAwait(false);
HttpResponseMessage response = null;
try
{
Console.WriteLine("current stream length:" + content.Length);
response = await HttpUploadRequest(uploadUri.Uri, HttpMethod.Put, content, null, startBytes, endBytes, totalLength).ConfigureAwait(false);
if (response.StatusCode != HttpStatusCode.OK &&
response.StatusCode != HttpStatusCode.NoContent &&
response.StatusCode != HttpStatusCode.Created)
{
throw new WebDAVException((int)response.StatusCode, "Failed uploading file.");
}
if (response.IsSuccessStatusCode)
{
transmissionHelper.IncreaseRealTimeLength(endBytes - startBytes + 1);
}
}
finally
{
if (response != null)
{
response.Dispose();
}
content.Close();
}
}
