/// <summary>
/// Redownload files with given relative filenames.
/// </summary>
/// <param name="stepReport">This method will be invoked everytime the download proceed to tell the filename. This is thread-safe invoke.</param>
/// <param name="downloadprogressReport">This method will be invoked everytime the download proceed. This is thread-safe invoke.</param>
/// <param name="downloadFinished_CallBack">This method will be invoked when the download is finished. This is thread-safe invoke.</param>
/// <returns>Bool. True if the download is succeeded, otherwise false.</returns>
public static bool RedownloadFiles(ExtendedWebClient _webClient, Dictionary <string, string> fileList, EventHandler <StringEventArgs> stepReport, Func <int, int, bool> downloadprogressReport, RunWorkerCompletedEventHandler downloadFinished_CallBack)
{
bool continueDownload = true;
Exception Myex = null;
int filecount = 0;
Uri currenturl = null;
var asdasdads = _webClient.CacheStorage;
_webClient.CacheStorage = null;
List <string> failedfiles = new List <string>();
try
{
HttpStatusCode lastCode;
byte[] buffer = new byte[1024];
//long byteprocessed, filelength;
foreach (var _keypair in fileList)
{
if (stepReport != null)
{
WebClientPool.SynchronizationContext.Send(new System.Threading.SendOrPostCallback(delegate { stepReport.Invoke(_webClient, new StringEventArgs(_keypair.Key)); }), null);
}
using (FileStream local = File.Create(_keypair.Value, 1024))
{
var _pso22fileurl = new PSO2FileUrl(Leayal.UriHelper.URLConcat(DefaultValues.Web.MainDownloadLink, _keypair.Key), Leayal.UriHelper.URLConcat(DefaultValues.Web.OldDownloadLink, _keypair.Key));
currenturl = _pso22fileurl.MainUrl;
lastCode = HttpStatusCode.ServiceUnavailable;
//byteprocessed = 0;
//filelength = 0;
try
{
using (HttpWebResponse theRep = _webClient.Open(currenturl) as HttpWebResponse)
{
if (theRep.StatusCode == HttpStatusCode.NotFound)
{
throw new WebException("File not found", null, WebExceptionStatus.ReceiveFailure, theRep);
}
else if (theRep.StatusCode == HttpStatusCode.Forbidden)
{
throw new WebException("Access denied", null, WebExceptionStatus.ReceiveFailure, theRep);
}
/*if (theRep.ContentLength > 0)
* filelength = theRep.ContentLength;
* else
* {
* HttpWebRequest headReq = _webClient.CreateRequest(currenturl, "HEAD") as HttpWebRequest;
* headReq.AutomaticDecompression = DecompressionMethods.None;
* HttpWebResponse headRep = headReq.GetResponse() as HttpWebResponse;
* if (headRep != null)
* {
* if (headRep.ContentLength > 0)
* filelength = headRep.ContentLength;
* headRep.Close();
* }
* }*/
using (var theRepStream = theRep.GetResponseStream())
{
int count = theRepStream.Read(buffer, 0, buffer.Length);
while (count > 0)
{
local.Write(buffer, 0, count);
//byteprocessed += count;
count = theRepStream.Read(buffer, 0, buffer.Length);
}
}
}
}
catch (WebException webEx)
{
if (webEx.Response != null)
{
HttpWebResponse rep = webEx.Response as HttpWebResponse;
lastCode = rep.StatusCode;
}
}
if (lastCode == HttpStatusCode.NotFound)
{
currenturl = _pso22fileurl.GetTheOtherOne(currenturl.OriginalString);
try
{
using (HttpWebResponse theRep = _webClient.Open(currenturl) as HttpWebResponse)
{
if (theRep.StatusCode == HttpStatusCode.NotFound)
{
throw new WebException("File not found", null, WebExceptionStatus.ReceiveFailure, theRep);
}
else if (theRep.StatusCode == HttpStatusCode.Forbidden)
{
throw new WebException("Access denied", null, WebExceptionStatus.ReceiveFailure, theRep);
}
/*if (theRep.ContentLength > 0)
* filelength = theRep.ContentLength;
* else
* {
* HttpWebRequest headReq = _webClient.CreateRequest(currenturl, "HEAD") as HttpWebRequest;
* headReq.AutomaticDecompression = DecompressionMethods.None;
* HttpWebResponse headRep = headReq.GetResponse() as HttpWebResponse;
* if (headRep != null)
* {
* if (headRep.ContentLength > 0)
* filelength = headRep.ContentLength;
* headRep.Close();
* }
* }*/
using (var theRepStream = theRep.GetResponseStream())
{
int count = theRepStream.Read(buffer, 0, buffer.Length);
while (count > 0)
{
local.Write(buffer, 0, count);
//byteprocessed += count;
count = theRepStream.Read(buffer, 0, buffer.Length);
}
}
}
}
catch (WebException webEx)
{
if (webEx.Response != null)
{
HttpWebResponse rep = webEx.Response as HttpWebResponse;
if (rep.StatusCode != HttpStatusCode.NotFound)
{
failedfiles.Add(_keypair.Key);
}
}
}
}
else
{
failedfiles.Add(_keypair.Key);
}
}
//fileList[filecount].IndexOfAny(' ');
if (downloadprogressReport != null)
{
WebClientPool.SynchronizationContext.Send(new System.Threading.SendOrPostCallback(delegate { continueDownload = downloadprogressReport.Invoke(filecount, fileList.Count); }), null);
}
filecount++;
}
}
catch (Exception ex)
{ Myex = ex; }
_webClient.CacheStorage = asdasdads;
var myevent = new RunWorkerCompletedEventArgs(failedfiles, Myex, !continueDownload);
if (downloadFinished_CallBack != null)
{
WebClientPool.SynchronizationContext.Post(new System.Threading.SendOrPostCallback(delegate { downloadFinished_CallBack.Invoke(_webClient, myevent); }), null);
}
if (myevent.Error != null && !myevent.Cancelled)
{
if (failedfiles.Count == 0)
{
return(true);
}
}
return(false);
}