private void DownloadPhoto(string url)
{
var www = UnityWebRequestTexture.GetTexture(url);
www.SendWebRequest()
.AsAsyncOperationObservable()
.SubscribeOn(Scheduler.ThreadPool)
.ObserveOn(Scheduler.MainThread)
.Subscribe(
success =>
{
var photo = !www.downloadHandler.isDone
? Global.Instance.errorImage.texture
: ((DownloadHandlerTexture)www.downloadHandler).texture;
photos.Add(photo);
if (photos.Count >= PerPage)
{
OnDownloadFinished?.Invoke(photos);
}
},
failure =>
{
OnFailure(new Exception($"An exception occurred while downloading photo from {url}.", failure));
}
);
}
private void ReportEnd()
{
FinishedEventArgs e = new FinishedEventArgs();
e.ResultType = FinishedEventArgs.Result.Success;
e.File = File;
e.File.Completed = true;
OnDownloadFinished?.Invoke(this, e);
}
private static void CheckDownloadFinished()
{
if (IsDownloading)
{
return;
}
VideoDownloadProgress = 0.0f;
ChatDownloadProgress = 0.0f;
OnDownloadFinished?.Invoke();
}
private void Progress()
{
if (!isRunning)
{
isRunning = true;
}
string url = string.Empty;
while (_downloadQueue.Count > 0 && _downloadQueue.TryDequeue(out url) && !string.IsNullOrWhiteSpace(url))
{
DownloadWithUrl($"http://cstrike.surf.ga/{url}");
}
isRunning = false;
OnDownloadFinished?.Invoke(this, new EventArgs());
}
private void ReportEnd()
{
FinishedEventArgs e = new FinishedEventArgs();
if (File.Downloaded == File.Size)
{
e.ResultType = FinishedEventArgs.Result.Success;
}
else
{
e.ResultType = FinishedEventArgs.Result.Unsuccessful;
}
e.File = File;
if (e.File.Downloaded == e.File.Size)
{
e.File.Completed = true;
}
OnDownloadFinished?.Invoke(this, e);
}
public void StartDownload(IApplicationVersion version)
{
if (isDownloading)
{
return;
}
_httpClient = new HttpClient();
Task.Run(() =>
{
isDownloading = true;
DownloadSpeed = new DownloadSpeed();
OnProgressChanged += DownloadSpeed.DownloadProgressChanged;
OnDownloadFinished += DownloadSpeed.webClient_DownloadFileCompleted;
var downloadFileWithRange = DownloadFileWithRange(version);
OnDownloadFinished?.Invoke(this, new UpdateProgressChangedEventArgs(downloadFileWithRange, 0, 0, 0));
isDownloading = false;
});
}
public async Task StartDownloadAsync(IApplicationVersion version)
{
if (_downloadTask == null)
{
_cancellationSource = _cancellationSourceFactory.CreateSource();
_downloadTask = Task.Run(() =>
{
_httpClient = new HttpClient();
DownloadSpeed = new DownloadSpeed();
OnProgressChanged += DownloadSpeed.DownloadProgressChanged;
OnDownloadFinished += DownloadSpeed.webClient_DownloadFileCompleted;
var downloadFileWithRange = DownloadFileWithRange(version);
OnDownloadFinished?.Invoke(this, new UpdateProgressChangedEventArgs(downloadFileWithRange, 0, 0, 0));
_downloadTask = null;
}, _cancellationSource.Token);
}
await _downloadTask;
}
/// <summary>
/// </summary>
private void UpdateDownloads(bool bHasConnection)
{
List <Guid> ActiveManifestIds = new List <Guid>();
foreach (DownloadState State in StateCollection.States)
{
bool UpdateManifestId = true;
// If not set to auto update and we already have a completed download, do nothing else.
if (!State.UpdateAutomatically && State.ActiveManifestId != Guid.Empty)
{
ManifestDownloadState OldVersionDownloader = ManifestDownloader.GetDownload(State.ActiveManifestId);
if (OldVersionDownloader != null && OldVersionDownloader.State == ManifestDownloadProgressState.Complete)
{
UpdateManifestId = false;
}
}
if (bHasConnection && UpdateManifestId)
{
Guid NewManifestId = GetTargetManifestForState(State);
if (NewManifestId != Guid.Empty)
{
if (State.ActiveManifestId != NewManifestId && !State.Paused)
{
OnDownloadStarted?.Invoke(State);
}
State.ActiveManifestId = NewManifestId;
}
}
if (State.ActiveManifestId == Guid.Empty)
{
continue;
}
ActiveManifestIds.Add(State.ActiveManifestId);
ManifestDownloadState Downloader = ManifestDownloader.GetDownload(State.ActiveManifestId);
if (Downloader != null)
{
// If state is downloading but we've paused it, pause it and ignore.
if (State.Paused)
{
if (!Downloader.Paused)
{
ManifestDownloader.PauseDownload(State.ActiveManifestId);
continue;
}
}
else
{
if (Downloader.Paused)
{
ManifestDownloader.ResumeDownload(State.ActiveManifestId);
}
}
// Hackily change the priority - should change this to a SetDownloadPriority method.
Downloader.Priority = State.Priority;
Downloader.InstallOnComplete = State.InstallAutomatically;
Downloader.InstallDeviceName = State.InstallDeviceName;
Downloader.InstallLocation = State.InstallLocation;
// Have we finished this download?
if (Downloader.State == ManifestDownloadProgressState.Complete &&
State.PreviousDownloaderState != Downloader.State &&
State.PreviousDownloaderState != ManifestDownloadProgressState.Unknown)
{
OnDownloadFinished?.Invoke(State);
}
State.PreviousDownloaderState = Downloader.State;
// Store the amount of time the download is in each state to make
// time estimates a bit better.
if (Downloader.State != ManifestDownloadProgressState.Complete && !State.Paused && Downloader.Manifest != null && (bHasConnection || Downloader.State != ManifestDownloadProgressState.Downloading))
{
if (State.PendingDurationHistory == null)
{
State.PendingDurationHistory = new DownloadStateDuration();
State.PendingDurationHistory.TotalSize = Downloader.Manifest.GetTotalSize();
}
ulong CurrentTime = TimeUtils.Ticks;
if (State.PendingDurationTimer > 0)
{
ulong Elapsed = TimeUtils.Ticks - State.PendingDurationTimer;
ulong StartTime = State.PendingDurationHistory.GetDuration(Downloader.State);
ulong NewTime = StartTime + Elapsed;
State.PendingDurationHistory.SetDuration(Downloader.State, NewTime);
//Console.WriteLine("State:{0} Time:{1}", Downloader.State.ToString(), StringUtils.FormatAsDuration((long)State.PendingDurationHistory.StateDurations[Downloader.State] / 1000));
}
State.PendingDurationTimer = CurrentTime;
}
else if (Downloader.State == ManifestDownloadProgressState.Complete)
{
if (State.PendingDurationHistory != null)
{
State.DurationHistory.Add(State.PendingDurationHistory);
State.PendingDurationHistory = null;
// Only keep a few history entries.
while (State.DurationHistory.Count > 15)
{
State.DurationHistory.RemoveAt(0);
}
}
}
}
else
{
// Start downloading this manifest.
ManifestDownloader.StartDownload(State.ActiveManifestId, State.Priority);
}
}
// Go through each manifest download and pause any that are no longer relevant.
foreach (ManifestDownloadState Downloader in ManifestDownloader.States.States)
{
if (!ActiveManifestIds.Contains(Downloader.ManifestId))
{
if (!Downloader.Paused)
{
ManifestDownloader.PauseDownload(Downloader.ManifestId);
}
Downloader.Active = false;
}
else
{
Downloader.Active = true;
Downloader.LastActive = DateTime.Now;
}
}
// Only download a single auto-replication download at a time, more efficient than dozens downloading at the same time.
Guid UnpausedAutoDownload = Guid.Empty;
// Remove auto replication downloads as required.
for (int i = 0; i < StateCollection.States.Count; i++)
{
DownloadState State = StateCollection.States[i];
if (State.ActiveManifestId == Guid.Empty)
{
continue;
}
if (!State.IsAutomaticReplication)
{
continue;
}
ManifestDownloadState Downloader = ManifestDownloader.GetDownload(State.ActiveManifestId);
if (Downloader != null)
{
bool ShouldRemove = false;
// Always remove downloads that have completed.
if (Downloader.State == ManifestDownloadProgressState.Complete)
{
ShouldRemove = true;
}
// Download has not recieved any blocks in a long time, remove.
TimeSpan Elapsed = DateTime.UtcNow - Downloader.LastRecievedData;
if (Elapsed.TotalHours > ReplicationMaxIdleHours)
{
ShouldRemove = true;
}
// Automatically resume replication downloads if they are in an error state.
if (UnpausedAutoDownload == Guid.Empty)
{
UnpausedAutoDownload = State.ActiveManifestId;
}
State.Paused = (UnpausedAutoDownload != State.ActiveManifestId);
if (ShouldRemove)
{
StateCollection.States.RemoveAt(i);
AreStatesDirty = false;
i--;
}
}
}
}
private void SinglePartUnknownDownloader_OnDownloadFinished(object sender, FinishedEventArgs e)
{
DownloadStatus = Status.NotDownloading;
OnDownloadFinished?.Invoke(this, e);
}
/// <summary>
/// Http方式下载文件
/// </summary>
/// <param name="url">http地址</param>
/// <param name="localfile">本地文件</param>
/// <returns></returns>
public bool Download(string url, string localfile)
{
Url = url;
SaveFilePath = localfile;
long startPosition = 0; // 上次下载的文件起始位置
FileStream writeStream = null; // 写入本地文件流对象
try
{
// 判断要下载的文件夹是否存在
if (File.Exists(localfile))
{
writeStream = File.OpenWrite(localfile); // 存在则打开要下载的文件
startPosition = writeStream.Length; // 获取已经下载的长度
writeStream.Seek(startPosition, SeekOrigin.Current); // 本地文件写入位置定位
}
else
{
writeStream = new FileStream(localfile, FileMode.Create);// 文件不保存创建一个文件
startPosition = 0;
}
HttpWebRequest myRequest = (HttpWebRequest)HttpWebRequest.Create(url);// 打开网络连接
if (startPosition > 0)
{
myRequest.AddRange((int)startPosition);// 设置Range值,与上面的writeStream.Seek用意相同,是为了定义远程文件读取位置
}
var myResponse = (HttpWebResponse)myRequest.GetResponse();
FileTotalBytes = myResponse.ContentLength;
FileDownloadedBytes = startPosition;
Stream readStream = myRequest.GetResponse().GetResponseStream(); // 向服务器请求,获得服务器的回应数据流
byte[] btArray = new byte[512]; // 定义一个字节数据,用来向readStream读取内容和向writeStream写入内容
int contentSize = readStream.Read(btArray, 0, btArray.Length); // 向远程文件读第一次
IsRunning = true;
while (contentSize > 0)// 如果读取长度大于零则继续读
{
if (_isStop)
{
break;
}
writeStream.Write(btArray, 0, contentSize);// 写入本地文件
FileDownloadedBytes += contentSize;
OnDownloading?.Invoke(this);
contentSize = readStream.Read(btArray, 0, btArray.Length);// 继续向远程文件读取
}
//关闭流
writeStream.Close();
readStream.Close();
IsDownloadSuccess = true; //返回true下载成功
}
catch (Exception e)
{
Logger.Error(e, logger);
if (writeStream != null)
{
writeStream.Close();
}
IsDownloadSuccess = false; //返回false下载失败
}
IsRunning = false;
OnDownloadFinished?.Invoke(this);
return(IsDownloadSuccess);
}