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ProgressSample.cs
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ProgressSample.cs
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/*
* Copyright (C) Alibaba Cloud Computing
* All rights reserved.
*
*/
using System;
using System.IO;
using System.Text;
using Aliyun.OSS.Common;
using Aliyun.OSS.Util;
using System.Threading;
using System.Collections.Generic;
namespace Aliyun.OSS.Samples
{
/// <summary>
/// Sample for progress.
/// </summary>
public static class ProgressSample
{
static string accessKeyId = Config.AccessKeyId;
static string accessKeySecret = Config.AccessKeySecret;
static string endpoint = Config.Endpoint;
static OssClient client = new OssClient(endpoint, accessKeyId, accessKeySecret);
static string fileToUpload = Config.FileToUpload;
static AutoResetEvent _event = new AutoResetEvent(false);
public static void Progress(string bucketName)
{
PutObjectProgress(bucketName);
AsyncPutObjectProgress(bucketName);
AppendObjectProgress(bucketName);
AsyncAppendObjectProgress(bucketName);
MultipartUploadProgress(bucketName);
ResumableUploadProgress(bucketName);
GetObjectProgress(bucketName);
AsyncGetObjectProgress(bucketName);
}
#region put object
public static void PutObjectProgress(string bucketName)
{
const string key = "PutObjectProgress";
try
{
using (var fs = File.Open(fileToUpload, FileMode.Open))
{
var putObjectRequest = new PutObjectRequest(bucketName, key, fs);
putObjectRequest.StreamTransferProgress += streamProgressCallback;
client.PutObject(putObjectRequest);
}
Console.WriteLine("Put object:{0} succeeded", key);
}
catch (OssException ex)
{
Console.WriteLine("Failed with error code: {0}; Error info: {1}. \nRequestID:{2}\tHostID:{3}",
ex.ErrorCode, ex.Message, ex.RequestId, ex.HostId);
}
catch (Exception ex)
{
Console.WriteLine("Failed with error info: {0}", ex.Message);
}
}
public static void AsyncPutObjectProgress(string bucketName)
{
const string key = "AsyncPutObjectProgress";
try
{
using (var fs = File.Open(fileToUpload, FileMode.Open))
{
var putObjectRequest = new PutObjectRequest(bucketName, key, fs);
putObjectRequest.StreamTransferProgress += streamProgressCallback;
string result = "Notice user: put object finish";
client.BeginPutObject(putObjectRequest, PutObjectCallback, result.ToCharArray());
_event.WaitOne();
}
}
catch (OssException ex)
{
Console.WriteLine("Failed with error code: {0}; Error info: {1}. \nRequestID:{2}\tHostID:{3}",
ex.ErrorCode, ex.Message, ex.RequestId, ex.HostId);
}
catch (Exception ex)
{
Console.WriteLine("Failed with error info: {0}", ex.Message);
}
}
#endregion
#region append object
public static void AppendObjectProgress(string bucketName)
{
const string key = "AppendObjectProgress";
long position = 0;
try
{
using (var fs = File.Open(fileToUpload, FileMode.Open))
{
var request = new AppendObjectRequest(bucketName, key)
{
ObjectMetadata = new ObjectMetadata(),
Content = fs,
Position = position
};
request.StreamTransferProgress += streamProgressCallback;
var result = client.AppendObject(request);
position = result.NextAppendPosition;
Console.WriteLine("Append object succeeded, next append position:{0}", position);
}
}
catch (OssException ex)
{
Console.WriteLine("Failed with error code: {0}; Error info: {1}. \nRequestID:{2}\tHostID:{3}",
ex.ErrorCode, ex.Message, ex.RequestId, ex.HostId);
}
catch (Exception ex)
{
Console.WriteLine("Failed with error info: {0}", ex.Message);
}
finally
{
client.DeleteObject(bucketName, key);
}
}
public static void AsyncAppendObjectProgress(string bucketName)
{
const string key = "AsyncAppendObjectProgress";
long position = 0;
try
{
using (var fs = File.Open(fileToUpload, FileMode.Open))
{
var request = new AppendObjectRequest(bucketName, key)
{
ObjectMetadata = new ObjectMetadata(),
Content = fs,
Position = position
};
request.StreamTransferProgress += streamProgressCallback;
const string notice = "Append object succeeded";
client.BeginAppendObject(request, AppendObjectCallback, notice.Clone());
_event.WaitOne();
}
}
catch (OssException ex)
{
Console.WriteLine("Failed with error code: {0}; Error info: {1}. \nRequestID:{2}\tHostID:{3}",
ex.ErrorCode, ex.Message, ex.RequestId, ex.HostId);
}
catch (Exception ex)
{
Console.WriteLine("Failed with error info: {0}", ex.Message);
}
finally
{
client.DeleteObject(bucketName, key);
}
}
#endregion
#region multipart upload
public static void MultipartUploadProgress(string bucketName)
{
const string key = "MultipartUploadProgress";
try
{
// 初始化分片上传任务
var initRequest = new InitiateMultipartUploadRequest(bucketName, key);
var initResult = client.InitiateMultipartUpload(initRequest);
// 设置每块为 1M
const int partSize = 1024 * 1024 * 1;
var partFile = new FileInfo(Config.FileToUpload);
// 计算分块数目
var partCount = CalculatePartCount(partFile.Length, partSize);
// 新建一个List保存每个分块上传后的ETag和PartNumber
var partETags = new List<PartETag>();
//upload the file
using (var fs = new FileStream(partFile.FullName, FileMode.Open))
{
for (var i = 0; i < partCount; i++)
{
// 跳到每个分块的开头
long skipBytes = partSize * i;
fs.Position = skipBytes;
// 计算每个分块的大小
var size = partSize < partFile.Length - skipBytes ? partSize : partFile.Length - skipBytes;
// 创建UploadPartRequest,上传分块
var uploadPartRequest = new UploadPartRequest(bucketName, key, initResult.UploadId)
{
InputStream = fs,
PartSize = size,
PartNumber = (i + 1)
};
uploadPartRequest.StreamTransferProgress += streamProgressCallback;
var uploadPartResult = client.UploadPart(uploadPartRequest);
// 将返回的PartETag保存到List中。
partETags.Add(uploadPartResult.PartETag);
}
}
// 提交上传任务
var completeRequest = new CompleteMultipartUploadRequest(bucketName, key, initResult.UploadId);
foreach (var partETag in partETags)
{
completeRequest.PartETags.Add(partETag);
}
client.CompleteMultipartUpload(completeRequest);
Console.WriteLine("Multipart upload object:{0} succeeded", key);
}
catch (OssException ex)
{
Console.WriteLine("Failed with error code: {0}; Error info: {1}. \nRequestID:{2}\tHostID:{3}",
ex.ErrorCode, ex.Message, ex.RequestId, ex.HostId);
}
catch (Exception ex)
{
Console.WriteLine("Failed with error info: {0}", ex.Message);
}
}
#endregion
#region resumable upload
public static void ResumableUploadProgress(string bucketName)
{
const string key = "ResumableUploadProgress";
try
{
client.ResumableUploadObject(bucketName, key, fileToUpload, null, null, 1024 * 1024, streamProgressCallback);
Console.WriteLine("Resumable upload object:{0} succeeded", key);
}
catch (OssException ex)
{
Console.WriteLine("Failed with error code: {0}; Error info: {1}. \nRequestID:{2}\tHostID:{3}",
ex.ErrorCode, ex.Message, ex.RequestId, ex.HostId);
}
catch (Exception ex)
{
Console.WriteLine("Failed with error info: {0}", ex.Message);
}
}
#endregion
#region get object
public static void GetObjectProgress(string bucketName)
{
const string key = "GetObjectProgress";
try
{
client.PutObject(bucketName, key, fileToUpload);
var getObjectRequest = new GetObjectRequest(bucketName, key);
getObjectRequest.StreamTransferProgress += streamProgressCallback;
var ossObject = client.GetObject(getObjectRequest);
using (var stream = ossObject.Content)
{
var buffer = new byte[1024 * 1024];
var bytesTotal = 0;
var bytesRead = 0;
while ((bytesRead = stream.Read(buffer, 0, buffer.Length)) > 0)
{
bytesTotal += bytesRead;
// Process read data
// TODO
}
}
Console.WriteLine("Get object:{0} succeeded", key);
}
catch (OssException ex)
{
Console.WriteLine("Failed with error code: {0}; Error info: {1}. \nRequestID:{2}\tHostID:{3}",
ex.ErrorCode, ex.Message, ex.RequestId, ex.HostId);
}
catch (Exception ex)
{
Console.WriteLine("Failed with error info: {0}", ex.Message);
}
}
public static void AsyncGetObjectProgress(string bucketName)
{
const string key = "AsyncGetObjectProgress";
try
{
client.PutObject(bucketName, key, fileToUpload);
var getObjectRequest = new GetObjectRequest(bucketName, key);
getObjectRequest.StreamTransferProgress += streamProgressCallback;
string result = "Notice user: put object finish";
client.BeginGetObject(getObjectRequest, GetObjectCallback, result.Clone());
_event.WaitOne();
}
catch (OssException ex)
{
Console.WriteLine("Failed with error code: {0}; Error info: {1}. \nRequestID:{2}\tHostID:{3}",
ex.ErrorCode, ex.Message, ex.RequestId, ex.HostId);
}
catch (Exception ex)
{
Console.WriteLine("Failed with error info: {0}", ex.Message);
}
}
#endregion
#region private
private static void streamProgressCallback(object sender, StreamTransferProgressArgs args)
{
Console.WriteLine("ProgressCallback - TotalBytes:{0}, TransferredBytes:{1}, IncrementTransferred:{2}",
args.TotalBytes, args.TransferredBytes, args.IncrementTransferred);
}
private static void PutObjectCallback(IAsyncResult ar)
{
try
{
client.EndPutObject(ar);
Console.WriteLine(ar.AsyncState as string);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
finally
{
_event.Set();
}
}
private static void AppendObjectCallback(IAsyncResult ar)
{
try
{
var result = client.EndAppendObject(ar);
Console.WriteLine("Append object succeeded, next append position:{0}", result.NextAppendPosition);
Console.WriteLine(ar.AsyncState as string);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
finally
{
_event.Set();
}
}
private static int CalculatePartCount(long totalSize, int partSize)
{
var partCount = (int)(totalSize / partSize);
if (totalSize % partSize != 0)
{
partCount++;
}
return partCount;
}
private static void GetObjectCallback(IAsyncResult ar)
{
try
{
var result = client.EndGetObject(ar);
using (var stream = result.Content)
{
var buffer = new byte[1024 * 1024];
var bytesTotal = 0;
var bytesRead = 0;
while ((bytesRead = stream.Read(buffer, 0, buffer.Length)) > 0)
{
bytesTotal += bytesRead;
// Process read data
// TODO
}
}
Console.WriteLine(ar.AsyncState as string);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
finally
{
_event.Set();
}
}
#endregion
}
}