public async Task <List <Item> > ListObjectsAsync(string bucketName, string prefix = null)
{
if (string.IsNullOrEmpty(bucketName))
{
throw new ArgumentNullException(nameof(bucketName));
}
bucketName = ConvertBucketName(bucketName);
ListBucket info = null;
string nextMarker = null;
List <Item> items = new List <Item>();
do
{
GetBucketRequest request = new GetBucketRequest(bucketName);
if (!string.IsNullOrEmpty(nextMarker))
{
request.SetMarker(nextMarker);
}
if (!string.IsNullOrEmpty(prefix))
{
request.SetPrefix(prefix);
}
//执行请求
GetBucketResult result = _client.GetBucket(request);
//bucket的相关信息
info = result.listBucket;
if (info.isTruncated)
{
// 数据被截断，记录下数据下标
nextMarker = info.nextMarker;
}
foreach (var item in info.contentsList)
{
items.Add(new Item()
{
Key = item.key,
LastModified = item.lastModified,
ETag = item.eTag,
Size = (ulong)item.size,
IsDir = false,
BucketName = bucketName,
VersionId = null,
});
}
} while (info.isTruncated);
return(await Task.FromResult(items));
}
public void getBucket()
{
//.cssg-snippet-body-start:[get-bucket]
CosXmlConfig config = new CosXmlConfig.Builder()
.SetConnectionTimeoutMs(60000) //设置连接超时时间，单位毫秒，默认45000ms
.SetReadWriteTimeoutMs(40000) //设置读写超时时间，单位毫秒，默认45000ms
.IsHttps(true) //设置默认 HTTPS 请求
.SetAppid("1253653367") //设置腾讯云账户的账户标识 APPID
.SetRegion("ap-guangzhou") //设置一个默认的存储桶地域
.Build();
string secretId = Environment.GetEnvironmentVariable("COS_KEY"); //云 API 密钥 SecretId
string secretKey = Environment.GetEnvironmentVariable("COS_SECRET"); //云 API 密钥 SecretKey
long durationSecond = 600; //每次请求签名有效时长，单位为秒
QCloudCredentialProvider qCloudCredentialProvider = new DefaultQCloudCredentialProvider(secretId,
secretKey, durationSecond);
CosXml cosXml = new CosXmlServer(config, qCloudCredentialProvider);
try
{
string bucket = "bucket-cssg-test-dotnet-1253653367"; //格式：BucketName-APPID
GetBucketRequest request = new GetBucketRequest(bucket);
//设置签名有效时长
request.SetSign(TimeUtils.GetCurrentTime(TimeUnit.SECONDS), 600);
//获取 a/ 下的对象
request.SetPrefix("a/");
//执行请求
GetBucketResult result = cosXml.GetBucket(request);
//bucket的相关信息
ListBucket info = result.listBucket;
}
catch (COSXML.CosException.CosClientException clientEx)
{
//请求失败
Console.WriteLine("CosClientException: " + clientEx);
Assert.Null(clientEx);
}
catch (COSXML.CosException.CosServerException serverEx)
{
//请求失败
Console.WriteLine("CosServerException: " + serverEx.GetInfo());
Assert.Null(serverEx);
}
//.cssg-snippet-body-end
}
/// <summary>
/// Consolidates the trees in this heap so there's at most 1 tree per tree degree. It also finds the root of the tree (min/max) and sets _heapRoot.
/// </summary>
private void ConsolidateTrees()
{
Dictionary <int, ListBucket <FibonacciHeapNode <TElement> > > treeNodePerDegree = new Dictionary <int, ListBucket <FibonacciHeapNode <TElement> > >();
if (_trees.Count < 2)
{
// nothing to do
return;
}
// traverse the trees and if there's no tree with such a degree, add it to the list, otherwise merge the tree with the one already with that
// degree till there's no tree with that degree left.
ListBucket <FibonacciHeapNode <TElement> > currentTreeNode = _trees.Head;
while (currentTreeNode != null)
{
ListBucket <FibonacciHeapNode <TElement> > treeNodeWithSameDegree;
if (treeNodePerDegree.TryGetValue(currentTreeNode.Contents.Degree, out treeNodeWithSameDegree))
{
// there's a tree with the same node. Merge this tree with that tree till there's no tree with the same degree for this current tree
treeNodePerDegree.Remove(currentTreeNode.Contents.Degree);
_trees.Remove(treeNodeWithSameDegree);
// merge trees. It depends on the nodes which one is added to which as a child.
if (this.ElementCompareFunc(treeNodeWithSameDegree.Contents.Contents, currentTreeNode.Contents.Contents))
{
// add currenttreenode's tree as child to treeNodeWithSameDegree
treeNodeWithSameDegree.Contents.AddChild(currentTreeNode.Contents);
// place the tree inside the currenttreenode's linkedlist node.
currentTreeNode.Contents = treeNodeWithSameDegree.Contents;
}
else
{
currentTreeNode.Contents.AddChild(treeNodeWithSameDegree.Contents);
}
}
else
{
// not a tree with this degree
treeNodePerDegree.Add(currentTreeNode.Contents.Degree, currentTreeNode);
// move to next node.
currentTreeNode = currentTreeNode.Next;
continue;
}
}
}
internal override void ParseResponseBody(System.IO.Stream inputStream, string contentType, long contentLength)
{
listBucket = new ListBucket();
XmlParse.ParseListBucket(inputStream, listBucket);
}
/// <summary>
/// Moves the current command to the next command in the queue.
/// </summary>
private void MoveNext()
{
_currentCommandBucket = _currentCommandBucket == null ? _commands.Head : _currentCommandBucket.Next;
}
/// <summary>
/// Clears this instance.
/// </summary>
public void Clear()
{
_commands.Clear();
_currentCommandBucket = null;
}