private void DownloadFileCallback(object obj)
{
_handler = new HttpDownloadFileHandler(_currParams.download_url, _currParams.localPath_url);
_handler.Progress = result => _fileResult = result;
_request = WebRequest.Create(_currParams.download_url) as HttpWebRequest;
_request.Timeout = _currParams.timeout;
_request.AddRange(_handler.DownloadedLength);
_request.Proxy = WebRequest.DefaultWebProxy;
try
{
_response = _request.GetResponse() as HttpWebResponse;
_handler.ReceiveContentLength((int)_response.ContentLength);
//byte[] buffer = new byte[1024*200];
byte[] buffer = new byte[1024];
using (Stream stream = _response.GetResponseStream())
{
int dataLength = stream.Read(buffer, 0, buffer.Length);
while (dataLength > 0)
{
if (isStop || _handler.ReceiveData(buffer, dataLength) == false)
{
return;
}
dataLength = stream.Read(buffer, 0, buffer.Length);
}
}
_handler.Dispose();
_EventQueue.Enqueue(new SWebDownloadEvent(DownloadEventType.OneComplete, (int)_response.StatusCode));
}
catch (WebException e)
{
//Debug.LogError(e.Message);
int code = 0;
_response = e.Response as HttpWebResponse;
if (_response != null)
{
code = (int)_response.StatusCode;
}
_handler.Dispose();
_EventQueue.Enqueue(new SWebDownloadEvent(DownloadEventType.OneComplete, code));
}
finally
{
if (_response != null)
{
_response.Close();
}
_request.Abort();
_fileResult = new SDownloadFileResult();
}
}
public void DownloadFile(string download_url, string localPath_url, int timeout, Action <SDownloadFileResult> progress, Action <int> complete)
{
_EventQueue.Clear();
_currParams = new SWebDownloadParams();
_currParams.download_url = download_url;
_currParams.localPath_url = localPath_url;
_currParams.timeout = timeout;
_currParams.OnProgress = progress;
_currParams.OnComplete = complete;
_fileResult = new SDownloadFileResult();
ThreadPool.SetMaxThreads(5, 5);
ThreadPool.QueueUserWorkItem(new WaitCallback(DownloadFileCallback), null);
}
public UnityDownloadFileHandler(string download_url, string localPath_url) : base(new byte[1024 * 200])
{
_download_url = download_url;
_localPath_url = localPath_url;
_downloadFileResult = new SDownloadFileResult();
string dir = Path.GetDirectoryName(localPath_url);
if (!Directory.Exists(dir))
{
Directory.CreateDirectory(dir);
}
_fileStream = new FileStream(localPath_url + ".tmp", FileMode.Append, FileAccess.Write);
DownloadedLength = (int)_fileStream.Length;
ContentLength = 0;
_downloadFileResult.downloadedLength = DownloadedLength;
_downloadFileResult.downloadedLengthStr = Util.HumanReadableFilesize(DownloadedLength);
}
private void OnProgress(SDownloadFileResult result)
{
Progress(new SDownloadEventResult(DownloadEventType.Progress, result));
}