protected virtual Task GetDownloadFileTask(string sourceFile, string tmpFile, CancellationToken ct)
{
var downloadFileTask = new Task(() =>
{
if (!File.Exists(tmpFile))
{
var service = ServiceProviderProxy.GetInstallerWebService();
RaiseOnProgressChangedEvent(0);
RaiseOnStatusChangedEvent(DownloadingSetupFilesMessage);
Log.WriteStart("Downloading file");
Log.WriteInfo(string.Format("Downloading file \"{0}\" to \"{1}\"", sourceFile, tmpFile));
long downloaded = 0;
long fileSize = service.GetFileSize(sourceFile);
if (fileSize == 0)
{
throw new FileNotFoundException("Service returned empty file.", sourceFile);
}
byte[] content;
while (downloaded < fileSize)
{
// Throw OperationCancelledException if there is an incoming cancel request
ct.ThrowIfCancellationRequested();
content = service.GetFileChunk(sourceFile, (int)downloaded, ChunkSize);
if (content == null)
{
throw new FileNotFoundException("Service returned NULL file content.", sourceFile);
}
FileUtils.AppendFileContent(tmpFile, content);
downloaded += content.Length;
// Update download progress
RaiseOnStatusChangedEvent(DownloadingSetupFilesMessage,
string.Format(DownloadProgressMessage, downloaded / 1024, fileSize / 1024));
RaiseOnProgressChangedEvent(Convert.ToInt32((downloaded * 100) / fileSize));
if (content.Length < ChunkSize)
{
break;
}
}
RaiseOnStatusChangedEvent(DownloadingSetupFilesMessage, "100%");
Log.WriteEnd(string.Format("Downloaded {0} bytes", downloaded));
}
}, ct);
return(downloadFileTask);
}
private void DownloadFile(string sourceFile, string destinationFile)
{
try
{
var service = ServiceProviderProxy.GetInstallerWebService();
//
Log.WriteStart("Downloading file");
Log.WriteInfo(string.Format("Downloading file \"{0}\" to \"{1}\"", sourceFile, destinationFile));
long downloaded = 0;
long fileSize = service.GetFileSize(sourceFile);
if (fileSize == 0)
{
throw new FileNotFoundException("Service returned empty file.", sourceFile);
}
byte[] content;
while (downloaded < fileSize)
{
content = service.GetFileChunk(sourceFile, (int)downloaded, ChunkSize);
if (content == null)
{
throw new FileNotFoundException("Service returned NULL file content.", sourceFile);
}
FileUtils.AppendFileContent(destinationFile, content);
downloaded += content.Length;
//update progress bar
RaiseOnStatusChangedEvent(DownloadingSetupFilesMessage,
string.Format(DownloadProgressMessage, downloaded / 1024, fileSize / 1024));
//
RaiseOnProgressChangedEvent(Convert.ToInt32((downloaded * 100) / fileSize));
if (content.Length < ChunkSize)
{
break;
}
}
//
RaiseOnStatusChangedEvent(DownloadingSetupFilesMessage, "100%");
//
Log.WriteEnd(string.Format("Downloaded {0} bytes", downloaded));
}
catch (Exception ex)
{
if (Utils.IsThreadAbortException(ex))
{
return;
}
throw;
}
}
private void DownloadFile(string sourceFile, string destinationFile, ProgressBar progressBar)
{
try
{
Log.WriteStart("Downloading file");
Log.WriteInfo(string.Format("Downloading file \"{0}\" to \"{1}\"", sourceFile, destinationFile));
lblValue.Text = string.Empty;
long downloaded = 0;
long fileSize = service.GetFileSize(sourceFile);
if (fileSize == 0)
{
throw new FileNotFoundException("Service returned empty file.", sourceFile);
}
byte[] content;
while (downloaded < fileSize)
{
content = service.GetFileChunk(sourceFile, (int)downloaded, ChunkSize);
if (content == null)
{
throw new FileNotFoundException("Service returned NULL file content.", sourceFile);
}
FileUtils.AppendFileContent(destinationFile, content);
downloaded += content.Length;
//update progress bar
lblValue.Text = string.Format("{0} KB of {1} KB", downloaded / 1024, fileSize / 1024);
progressBar.Value = Convert.ToInt32((downloaded * 100) / fileSize);
if (content.Length < ChunkSize)
{
break;
}
}
lblValue.Text = string.Empty;
Log.WriteEnd(string.Format("Downloaded {0} bytes", downloaded));
}
catch (Exception ex)
{
if (Utils.IsThreadAbortException(ex))
{
return;
}
throw;
}
}
private void DownloadFile(string sourceFile, string destinationFile, ProgressBar progressBar)
{
try
{
long downloaded = 0;
long fileSize = service.GetFileSize(sourceFile);
if (fileSize == 0)
{
throw new FileNotFoundException("Service returned empty file.", sourceFile);
}
byte[] content;
while (downloaded < fileSize)
{
content = service.GetFileChunk(sourceFile, (int)downloaded, ChunkSize);
if (content == null)
{
throw new FileNotFoundException("Service returned NULL file content.", sourceFile);
}
FileUtils.AppendFileContent(destinationFile, content);
downloaded += content.Length;
//update progress bar
progressBar.Value = Convert.ToInt32((downloaded * 100) / fileSize);
if (content.Length < ChunkSize)
{
break;
}
}
}
catch (Exception ex)
{
if (Utils.IsThreadAbortException(ex))
{
return;
}
throw;
}
}
