/// <summary>
/// 创建块(携带首片数据),同时检查CRC32
/// </summary>
/// <param name="resumeBlockerObj">创建分片上次的块请求</param>
private async Task MakeBlock(object resumeBlockerObj)
{
var resumeBlocker = (ResumeBlocker)resumeBlockerObj;
var doneEvent = resumeBlocker.DoneEvent;
var blockMakeResults = resumeBlocker.BlockMakeResults;
var putExtra = resumeBlocker.PutExtra;
var blockIndex = resumeBlocker.BlockIndex;
var result = new HttpResult();
//check whether to cancel
while (true)
{
var upCtl = resumeBlocker.PutExtra.UploadController();
if (upCtl == UploadControllerAction.Suspended)
{
doneEvent.WaitOne(1000);
}
else if (upCtl == UploadControllerAction.Aborted)
{
doneEvent.Set();
result.Code = (int)HttpCode.USER_CANCELED;
result.RefCode = (int)HttpCode.USER_CANCELED;
result.RefText += $"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.ffff}] [ResumableUpload] Info: upload task is aborted, mkblk {blockIndex}\n";
blockMakeResults.Add(blockIndex, result);
return;
}
else
{
break;
}
}
var blockBuffer = resumeBlocker.BlockBuffer;
var blockSize = blockBuffer.Length;
var upToken = resumeBlocker.UploadToken;
var uploadedBytesDict = resumeBlocker.UploadedBytesDict;
var fileSize = resumeBlocker.FileSize;
var progressLock = resumeBlocker.ProgressLock;
var resumeInfo = resumeBlocker.ResumeInfo;
try
{
//get upload host
var ak = UpToken.GetAccessKeyFromUpToken(upToken);
var bucket = UpToken.GetBucketFromUpToken(upToken);
if (ak == null || bucket == null)
{
result = HttpResult.InvalidToken;
doneEvent.Set();
return;
}
var uploadHost = await _config.UpHost(ak, bucket);
var url = $"{uploadHost}/mkblk/{blockSize}";
var upTokenStr = $"UpToken {upToken}";
using (var ms = new MemoryStream(blockBuffer, 0, blockSize))
{
var data = ms.ToArray();
result = await _httpManager.PostDataAsync(url, data, token : upTokenStr);
if (result.Code == (int)HttpCode.OK)
{
var rc = JsonConvert.DeserializeObject <ResumeContext>(result.Text);
if (rc.Crc32 > 0)
{
var crc1 = rc.Crc32;
var crc2 = Crc32.CheckSumSlice(blockBuffer, 0, blockSize);
if (crc1 != crc2)
{
result.RefCode = (int)HttpCode.USER_NEED_RETRY;
result.RefText += $" CRC32: remote={crc1}, local={crc2}\n";
}
else
{
//write the mkblk context
resumeInfo.Contexts[blockIndex] = rc.Ctx;
resumeInfo.ExpiredAt = rc.ExpiredAt;
lock (progressLock)
{
uploadedBytesDict["UploadProgress"] += blockSize;
}
putExtra.ProgressHandler(uploadedBytesDict["UploadProgress"], fileSize);
}
}
else
{
result.RefText += $"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.ffff}] JSON Decode Error: text = {result.Text}";
result.RefCode = (int)HttpCode.USER_NEED_RETRY;
}
}
else
{
result.RefCode = (int)HttpCode.USER_NEED_RETRY;
}
}
}
catch (Exception ex)
{
var sb = new StringBuilder();
sb.Append($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.ffff}] mkblk Error: ");
var e = ex;
while (e != null)
{
sb.Append(e.Message + " ");
e = e.InnerException;
}
sb.AppendLine();
if (ex is QiniuException qex)
{
result.Code = qex.HttpResult.Code;
result.RefCode = qex.HttpResult.Code;
result.Text = qex.HttpResult.Text;
result.RefText += sb.ToString();
}
else
{
result.RefCode = (int)HttpCode.USER_UNDEF;
result.RefText += sb.ToString();
}
}
//return the http result
blockMakeResults.Add(blockIndex, result);
doneEvent.Set();
}
