internal bool CreateDownload(TransferParameter parameter)
{
bool ret = false;
try
{
Socket s = Login();
if (s != null)
{
int contentLength = GetFileSize(s, GetUnescapeString(_transferUri.AbsolutePath));
if (contentLength > 0)
{
DownloadFileState = new FileState(parameter.TransferUrl, parameter.LocalFile, contentLength, parameter.ChunkCount);
if (DownloadFileState != null)
{
ret = true;
AssignFileStateDelegate();
DownloadFileState.FireFileDownloadBeginingEvent();
}
}
CleanUp(s, true);
}
}
catch (Exception e)
{
Log.Debug("- Got an Excetpion {0}", e.ToString());
Log.Warn(e);
ret = false;
}
return(ret);
}
private void CreateDownload(TransferParameter parameter)
{
try
{
bool allowRanges = false;
int contentLength;
_request = DownloadRequst.GetWebRequest(parameter);
_request.PreAuthenticate = true;
_request.Accept = "*/*";
_request.AllowAutoRedirect = true;
_request.Method = "HEAD";
Log.Debug("^ GET {0} HTTP/{1}", parameter.TransferUrl, _request.ProtocolVersion);
Log.Debug("^ Host: {0}", _request.Address.Host);
Log.Debug("^ Accept: {0}", _request.Accept);
Log.Debug("^ User-Agent: {0}", _request.UserAgent);
Log.Debug("^ Referer: {0}", _request.Referer);
var response = (HttpWebResponse)_request.GetResponse();
if (response.ContentLength == -1 || response.ContentLength > 0x7fffffff)
{
contentLength = 1024 * 1024 * 5;
}
else
{
contentLength = (int)response.ContentLength;
}
Log.Debug("v HTTP/{0} {1} OK", response.ProtocolVersion, response.StatusCode);
for (int i = 0; i < response.Headers.Count; ++i)
{
if (String.Compare(response.Headers.Keys[i], "Accept-Ranges", StringComparison.InvariantCultureIgnoreCase) == 0)
{
allowRanges = true;
}
Log.Debug("v {0}: {1}", response.Headers.Keys[i], response.Headers[i]);
}
response.Close();
lock (this)
{
FileUtil.CreateFile(parameter.LocalFile, contentLength);
}
DownloadFileState = new FileState(parameter.TransferUrl, parameter.LocalFile, contentLength, (allowRanges ? _chunkCount : (short)1));
AssignFileStateDelegate();
DownloadFileState.FireFileDownloadBeginingEvent();
}
catch (WebException e)
{
Log.Warn("- Got an Excetpion {0} in Create WebException", e.ToString());
if (e.Status == WebExceptionStatus.ProtocolError)
{
string a = ((HttpWebResponse)e.Response).StatusCode.ToString();
a += ((HttpWebResponse)e.Response).StatusDescription;
Log.Warn(a);
}
throw new WebException(e.Message);
}
catch (Exception e)
{
Log.Warn("- Got an Excetpion {0} in Create Exception", e.ToString());
throw new Exception(e.Message);
}
}
