/// <param name="result">第一个元素表示是否成功；第二个元素为结果</param>
private static IEnumerable GetProgramVersionByUrl(String url, ReturnTuple<Boolean, String> result)
{
WebClientWithTimeout webClient = new WebClientWithTimeout();
webClient.Timeout = 30 * 1000;
DownloadState downloadState = new DownloadState();
webClient.DownloadDataCompleted += (object sender, DownloadDataCompletedEventArgs arg) =>
{
if (arg.Cancelled)
{
downloadState.cancel = true;
}
else if (arg.Error != null) //error occurs
{
downloadState.exception = arg.Error;
}
else
{
downloadState.result = arg.Result;
}
downloadState.done = true;
};
webClient.DownloadDataAsync(new Uri(PatcherSpace.Utility.AddRandomParamToUrl(url)));
while (!downloadState.done)
{
yield return null;
}
if (!downloadState.cancel && downloadState.exception == null) //success
{
result.value_0 = true;
result.value_1 = Encoding.UTF8.GetString(downloadState.result);
}
else
{
UnityEngine.Debug.LogWarning("Failed to download version file: " + url);
if (downloadState.exception != null)
{
UnityEngine.Debug.LogWarning(downloadState.exception.ToString());
}
}
}
private void BackgroundWorker_DoWork(object sender, DoWorkEventArgs args)
{
try
{
if (WebCalls.Alternative())
{
using (WebClient webClient = new WebClient())
{
webClient.Headers.Add("user-agent", "SBRW Launcher " +
Application.ProductVersion + " (+https://github.com/SoapBoxRaceWorld/GameLauncher_NFSW)");
webClient.DownloadDataCompleted += new DownloadDataCompletedEventHandler(this.DownloadManager_DownloadDataCompleted);
webClient.CachePolicy = new RequestCachePolicy(RequestCacheLevel.NoCacheNoStore);
while (true)
{
if (this._freeChunks <= 0)
{
Thread.Sleep(100);
}
else
{
lock (this._downloadQueue)
{
if (this._downloadQueue.Count == 0)
{
lock (this._workers)
{
this._workers.Remove((BackgroundWorker)sender);
}
DownloaderHandler._workerCount--;
break;
}
}
string value = null;
lock (this._downloadQueue)
{
value = this._downloadQueue.Last.Value;
this._downloadQueue.RemoveLast();
lock (this._freeChunksLock)
{
this._freeChunks--;
}
}
lock (this._downloadList[value])
{
if (this._downloadList[value].Status != DownloaderHandler.DownloadStatus.Canceled)
{
this._downloadList[value].Status = DownloaderHandler.DownloadStatus.Downloading;
}
}
while (webClient.IsBusy)
{
Thread.Sleep(100);
}
webClient.DownloadDataAsync(new Uri(value), value);
DownloaderHandler.DownloadStatus status = DownloaderHandler.DownloadStatus.Downloading;
while (status == DownloaderHandler.DownloadStatus.Downloading)
{
status = this._downloadList[value].Status;
if (status == DownloaderHandler.DownloadStatus.Canceled)
{
break;
}
Thread.Sleep(100);
}
if (status == DownloaderHandler.DownloadStatus.Canceled)
{
webClient.CancelAsync();
}
lock (this._workers)
{
if (DownloaderHandler._workerCount > this._maxWorkers || !this._managerRunning)
{
this._workers.Remove((BackgroundWorker)sender);
DownloaderHandler._workerCount--;
break;
}
}
}
}
}
}
else
{
using (WebClientWithTimeout webClient = new WebClientWithTimeout())
{
webClient.DownloadDataCompleted += new DownloadDataCompletedEventHandler(this.DownloadManager_DownloadDataCompleted);
webClient.CachePolicy = new RequestCachePolicy(RequestCacheLevel.NoCacheNoStore);
while (true)
{
if (this._freeChunks <= 0)
{
Thread.Sleep(100);
}
else
{
lock (this._downloadQueue)
{
if (this._downloadQueue.Count == 0)
{
lock (this._workers)
{
this._workers.Remove((BackgroundWorker)sender);
}
DownloaderHandler._workerCount--;
break;
}
}
string value = null;
lock (this._downloadQueue)
{
value = this._downloadQueue.Last.Value;
this._downloadQueue.RemoveLast();
lock (this._freeChunksLock)
{
this._freeChunks--;
}
}
lock (this._downloadList[value])
{
if (this._downloadList[value].Status != DownloaderHandler.DownloadStatus.Canceled)
{
this._downloadList[value].Status = DownloaderHandler.DownloadStatus.Downloading;
}
}
while (webClient.IsBusy)
{
Thread.Sleep(100);
}
webClient.DownloadDataAsync(new Uri(value), value);
DownloaderHandler.DownloadStatus status = DownloaderHandler.DownloadStatus.Downloading;
while (status == DownloaderHandler.DownloadStatus.Downloading)
{
status = this._downloadList[value].Status;
if (status == DownloaderHandler.DownloadStatus.Canceled)
{
break;
}
Thread.Sleep(100);
}
if (status == DownloaderHandler.DownloadStatus.Canceled)
{
webClient.CancelAsync();
}
lock (this._workers)
{
if (DownloaderHandler._workerCount > this._maxWorkers || !this._managerRunning)
{
this._workers.Remove((BackgroundWorker)sender);
DownloaderHandler._workerCount--;
break;
}
}
}
}
}
}
}
catch (Exception Error)
{
LogToFileAddons.OpenLog("CDN DOWNLOADER [Background Work DH]", null, Error, null, true);
Exception exception = Error;
lock (this._workers)
{
this._workers.Remove((BackgroundWorker)sender);
DownloaderHandler._workerCount--;
}
}
}
