/// <summary>
/// 获取服务器上文件分片的信息
/// </summary>
/// <param name="uploadId">当前上传事件的唯一标识</param>
/// <returns>服务器上的分片信息列表</returns>
public List<FilePart> GetParts(String uploadId)
{
var qs = new QueryString();
qs.Add("uploadId", uploadId);
var getParts = client.HttpGet("/video/multipartUpload/getParts.api", qs);
var jo = JObject.Parse(getParts);
if (jo["statusCode"].ToString().CompareTo("0") == 0)
{
var serverParts = new List<FilePart>();
foreach (var jObj in jo["uploadedParts"])
{
var filePart = new FilePart();
filePart.PartKey = jObj["partKey"].ToString();
filePart.PartMD5 = jObj["partMD5"].ToString();
filePart.PartNum = System.Int32.Parse(jObj["partNumber"].ToString());
serverParts.Add(filePart);
}
return serverParts;
}
else
{
throw new PispowerAPIException(System.Int32.Parse(jo["statusCode"].ToString()), jo["message"].ToString());
}
}
/// <summary>
/// 服务器上的某个分片是否在本地文件分片列表中
/// </summary>
/// <param name="serverPart">服务器上的某一分片</param>
/// <param name="localParts">本地待上传文件分片列表</param>
private int inLocalParts(FilePart serverPart, List<FilePart> localParts)
{
foreach (var localPart in localParts)
{
if (serverPart.PartMD5.CompareTo(localPart.PartMD5) == 0 && serverPart.PartNum.CompareTo(localPart.PartNum) == 0)
{
return localParts.IndexOf(localPart);
}
}
return -1;
}
/// <summary>
/// 上传一个分片
/// </summary>
/// <param name="uploadId">当前上传事件的唯一标识</param>
/// <param name="partNumber">分片num编号</param>
/// <param name="part">分片文件</param>
private FilePart UploadPart(String uploadId, int partNumber, System.IO.FileInfo part)
{
QueryString qs = new QueryString();
qs.Add("uploadId", uploadId);
qs.Add("partNumber", partNumber.ToString());
using (var fs = File.OpenRead(part.FullName))
{
var uploadPart = client.HttpUpload("/video/multipartUpload/uploadPart.api", qs, fs);
var jo = JObject.Parse(uploadPart);
if (jo["statusCode"].ToString().CompareTo("0") == 0)
{
var filePart = new FilePart();
filePart.PartNum = partNumber;
filePart.PartMD5 = jo["partMD5"].ToString();
filePart.PartKey = jo["partKey"].ToString();
return filePart;
}
else
{
throw new PispowerAPIException(System.Int32.Parse(jo["statusCode"].ToString()), jo["message"].ToString());
}
}
}
/// <summary>
/// 获得本地文件分片列表
/// </summary>
/// <param name="files">本地文件分片数组</param>
/// <returns></returns>
private List<FilePart> GetLocalParts(System.IO.FileInfo[] files)
{
var localFileParts = new List<FilePart>();
foreach (var file in files)
{
var filePart = new FilePart();
var name = Path.GetFileName(file.FullName).Split(new Char[] { '.' });
filePart.FilePartInfo = file;
filePart.PartNum = System.Int32.Parse(name[1]);
using (var fileStream = new FileStream(file.FullName, FileMode.Open, FileAccess.Read))
{
filePart.PartMD5 = MD5Utility.Compute(file).ToLower();
}
localFileParts.Add(filePart);
}
return localFileParts;
}
