private void ReadHttpStream(HTTPRequest request, HTTPResponse response)
{
string localfile = this.m_DownloadInfo.tempPath;
try
{
List <byte[]> streamedFragments = response.GetStreamedFragments();
if (streamedFragments != null)
{
int num = 0;
using (FileStream fileStream = new FileStream(localfile, FileMode.Append))
{
foreach (byte[] array in streamedFragments)
{
num += array.Length;
fileStream.Write(array, 0, array.Length);
}
}
this.m_DownloadInfo.downloadedSize += num;
m_DownloadInfo?.OnProgressChange();
}
}
catch (Exception ex)
{
if (ex.GetType() == typeof(System.IO.IOException))
{
if (Utils.IsDiskFull(ex))
{
EventManager.Instance.Trigger <SDKEvents.DownloadFileEvent>().Data(this.m_DownloadInfo.fileName, "DiskFullException", this.m_DownloadInfo.downloadedSize).Trigger();
}
else
{
EventManager.Instance.Trigger <SDKEvents.DownloadFileEvent>().Data(this.m_DownloadInfo.fileName, "IOException", this.m_DownloadInfo.downloadedSize).Trigger();
}
}
else
{
EventManager.Instance.Trigger <SDKEvents.DownloadFileEvent>().Data(this.m_DownloadInfo.fileName, "failure", this.m_DownloadInfo.downloadedSize).Trigger();
}
DebugUtil.Log("An error occured while downloading {0} due to {1}.Cancelling!", localfile, ex);
this.m_DownloadInfo.result = DownloadResult.Failed;
CancelDownload(true);
this.CancelDownload(true);
return;
}
float num2 = (float)this.m_DownloadInfo.downloadedSize / (float)this.m_DownloadInfo.downloadSize;
this.m_DownloadInfo.currProgress = num2;
//DebugUtil.Log("Downloading {0} Status: Range {1}/{2} ({3:0.00})", this.m_DownloadInfo.fileName, this.m_DownloadInfo.downloadedSize, this.m_DownloadInfo.downloadSize, this.m_DownloadInfo.currProgress);
if (!response.IsStreamingFinished || request.State != HTTPRequestStates.Finished)
{
return;
}
DebugUtil.Log("Download finished : {0}", this.m_DownloadInfo.savePath);
this.m_DownloadInfo.currProgress = 1.0f;
// 续传完成后，做一手MD5验证
string localMd5 = AssetUtils.BuildFileMd5(localfile);
if (localMd5.Trim() != m_DownloadInfo.fileMd5.Trim())
{
//md5验证失败，删除临时文件
if (File.Exists(localfile))
{
File.Delete(localfile);
}
DebugUtil.Log("md5 error, retry download:" + localfile + " =>" + localMd5 + " ## " + m_DownloadInfo.fileMd5);
this.m_DownloadInfo.result = DownloadResult.Md5Error;
this.m_DownloadInfo.currProgress = 0.0f;
CancelDownload(true);
}
else
{// md5验证通过，临时文件转为最终文件
string localfile2 = m_DownloadInfo.savePath;
if (File.Exists(localfile2))
{
File.Delete(localfile2);
}
DebugUtil.Log("md5 check success, move temp to final :" + this.m_DownloadInfo.fileName);
File.Move(localfile, localfile2);
this.m_DownloadInfo.result = DownloadResult.Success;
DownloadManager.Instance.FinishDownloadTask(this.m_DownloadInfo);
}
EventManager.Instance.Trigger <SDKEvents.DownloadFileEvent>().Data(this.m_DownloadInfo.fileName, "finish", m_DownloadInfo.downloadedSize).Trigger();
}
