public void testDownloadTask()
{
long now = new DateTimeOffset(DateTime.UtcNow).ToUnixTimeMilliseconds();
GetObjectRequest request = new GetObjectRequest(bucket,
commonKey, localDir, localFileName);
request.LimitTraffic(8 * 1000 * 1024);
//执行请求
COSXMLDownloadTask downloadTask = new COSXMLDownloadTask(request);
var autoEvent = new AutoResetEvent(false);
downloadTask.progressCallback = delegate(long completed, long total)
{
Console.WriteLine(String.Format("progress = {0:##.##}%", completed * 100.0 / total));
};
downloadTask.successCallback = delegate(CosResult cosResult)
{
COSXML.Transfer.COSXMLDownloadTask.DownloadTaskResult result = cosResult as COSXML.Transfer.COSXMLDownloadTask.DownloadTaskResult;
Console.WriteLine(result.GetResultInfo());
autoEvent.Set();
Assert.True(cosResult.httpCode == 200);
};
downloadTask.failCallback = delegate(CosClientException clientEx, CosServerException serverEx)
{
if (clientEx != null)
{
Console.WriteLine("CosClientException: " + clientEx);
}
if (serverEx != null)
{
Console.WriteLine("CosServerException: " + serverEx.GetInfo());
}
autoEvent.Set();
Assert.True(false);
};
long costTime = new DateTimeOffset(DateTime.UtcNow).ToUnixTimeMilliseconds() - now;
transferManager.Download(downloadTask);
autoEvent.WaitOne();
}
/// 下载时对单链接限速
public async void DownloadObjectTrafficLimit()
{
//.cssg-snippet-body-start:[download-object-traffic-limit]
TransferConfig transferConfig = new TransferConfig();
// 初始化 TransferManager
TransferManager transferManager = new TransferManager(cosXml, transferConfig);
String bucket = "examplebucket-1250000000"; //存储桶，格式：BucketName-APPID
String cosPath = "exampleobject"; //对象在存储桶中的位置标识符，即称对象键
string localDir = System.IO.Path.GetTempPath(); //本地文件夹
string localFileName = "my-local-temp-file"; //指定本地保存的文件名
GetObjectRequest request = new GetObjectRequest(bucket,
cosPath, localDir, localFileName);
request.LimitTraffic(8 * 1000 * 1024); // 限制为1MB/s
COSXMLDownloadTask downloadTask = new COSXMLDownloadTask(request);
await transferManager.DownloadAsync(downloadTask);
//.cssg-snippet-body-end
}