public async Task <ObjectMetadata> GetObject(GetObjectRequest getObjectRequest, Stream output,
Action <HttpProcessData> downloadProcessCallback = null, CancellationToken?cancellationToken = null)
{
OssObject ossObject = await this.GetObject(getObjectRequest, downloadProcessCallback, cancellationToken);
using (ossObject.Content)
{
ossObject.Content.CopyTo(output);
}
return(ossObject.Metadata);
}
static async void getObject()
{
try
{
OssClient temp = new OssClient("bm9crcnr0rtnuw8bnrfvq7w8", "RbtJoExTnA8vYLynUfDh7Ior+oM=");
OssObject result = await temp.GetObject("devdoc", "c# 5.0.pdf", callback);
FileStream fs = new FileStream(@"C:\Users\yangzhl\Desktop\c# 5.0.pdf", FileMode.Open);
byte[] buffer = new byte[fs.Length];
result.Content.Read(buffer, 0, buffer.Length);
byte[] sh = MD5.Create().ComputeHash(buffer);
string hashCode = BitConverter.ToString(sh).Replace("-", string.Empty).ToLower();
}
catch (AggregateException ex)
{
Console.WriteLine(ex.Message);
}
}
public async Task <OssObject> GetObject(GetObjectRequest getObjectRequest,
Action <HttpProcessData> downloadProcessCallback = null, CancellationToken?cancellationToken = null)
{
OssObject result = null;
HttpClientHandler hand = null;
ProgressMessageHandler processMessageHander = null;
HttpClient localHttpClient = null;
OssHttpRequestMessage httpRequestMessage = null;
HttpResponseMessage response = null;
try
{
hand = new HttpClientHandler();
processMessageHander = new ProgressMessageHandler(hand);
localHttpClient = new HttpClient(processMessageHander);
localHttpClient.Timeout += new TimeSpan(2 * TimeSpan.TicksPerHour);
httpRequestMessage = new OssHttpRequestMessage(getObjectRequest.BucketName, getObjectRequest.Key);
getObjectRequest.ResponseHeaders.Populate(httpRequestMessage.Headers);
getObjectRequest.Populate(httpRequestMessage.Headers);
httpRequestMessage.Method = HttpMethod.Get;
httpRequestMessage.Headers.Date = DateTime.UtcNow;
OssRequestSigner.Sign(httpRequestMessage, networkCredential);
if (downloadProcessCallback != null)
{
processMessageHander.HttpReceiveProgress += (sender, e) =>
{
downloadProcessCallback(new HttpProcessData()
{
TotalBytes = e.TotalBytes,
BytesTransferred = e.BytesTransferred,
ProgressPercentage = e.ProgressPercentage
});;
};
}
if (cancellationToken != null)
{
response = await localHttpClient.SendAsync(httpRequestMessage, (CancellationToken)cancellationToken);
}
else
{
response = await localHttpClient.SendAsync(httpRequestMessage);
}
if (response.IsSuccessStatusCode == false)
{
await ErrorResponseHandler.Handle(response);
}
var temp = DeserializerFactory.GetFactory().CreateGetObjectResultDeserializer(getObjectRequest);
result = await temp.Deserialize(response);
}
catch (Exception ex)
{
throw ex;
}
finally
{
if (hand != null)
{
hand.Dispose();
}
if (processMessageHander != null)
{
processMessageHander.Dispose();
}
if (localHttpClient != null)
{
localHttpClient.Dispose();
}
if (httpRequestMessage != null)
{
httpRequestMessage.Dispose();
}
}
return(result);
}