public override bool Download( UpdaterFileProgress progress, UpdaterFileSave save, UpdaterFileComplete complete )
{
this.progress = progress;
this.save = save;
this.complete = complete;
WebClient download = new WebClient();
download.DownloadProgressChanged += new DownloadProgressChangedEventHandler( download_Progress );
download.DownloadDataCompleted += new DownloadDataCompletedEventHandler( download_Complete );
download.Headers[HttpRequestHeader.UserAgent] = "FOUpdater/" + FOUpdaterClient.VersionString;
try
{
download.BaseAddress = this.URL;
download.DownloadDataAsync( new Uri( ((UpdateInfoHTTP)this.Parent).RootAddress + this.FileName ), this.FileName );
}
catch
{
return (false);
}
while( download.IsBusy )
{
if( this.Parent.Parent.Cancelled )
{
download.CancelAsync();
}
Thread.Sleep( 100 );
}
// should be enough to make sure that UpdaterFileComplete callback finished
Thread.Sleep( 500 );
return (true);
}
public override bool Download( UpdaterFileProgress progress, UpdaterFileSave save, UpdaterFileComplete complete )
{
UpdateInfoStream parent = (UpdateInfoStream)this.Parent;
parent.Send( "Get\n" );
parent.Send( this.FileName.Replace( '/', '\\' ) + "\n" );
string catch_ = parent.ReadLine(); // Catch/Catchpack
uint size = parent.ReadUint();
if( this.Parent.InfoVersion == 1 || this.Size == 0 )
this.Parent.Parent.SendProgress( FOUpdaterProgress.FileMaximum, size );
byte[] data = new byte[size];
long lastPercent = 0;
long readed = 0;
while( readed != size )
{
if( this.Parent.Parent.Cancelled )
return (false);
if( parent.Client == null || !parent.Client.Connected )
return (false);
int input = parent.Client.GetStream().ReadByte();
if( input == -1 )
continue;
data[readed++] = (byte)input;
long percent = (readed * 100) / size;
if( percent > lastPercent )
{
progress( this, readed, (long)size, (uint)percent );
lastPercent = percent;
Thread.Sleep( 50 );
}
}
if( catch_ == "Catchpack" || this.Packed )
{
byte[] saveData = ZlibStream.UncompressBuffer( data );
data = saveData;
}
save( this );
File.WriteAllBytes( this.FileName, data );
complete( this );
return (true);
}
/// <summary>
/// Downloads file from update source.
/// <para>NOTE: Must be overriden by subclass.</para>
/// </summary>
/// <param name="progress">function called when progress percentage changes</param>
/// <param name="save">function called before file is saved</param>
/// <param name="complete">function called when download is finished</param>
public virtual bool Download( UpdaterFileProgress progress, UpdaterFileSave save, UpdaterFileComplete complete )
{
throw new NotImplementedException( "FOUpdateFile(" + Enum.GetName( typeof( FOUpdateType ), this.Type ) + ")::Download" );
}
