public Task <IUpdateVersionHandle> SearchVersion()
{
_logger.LogTrace("Starting searching new version was triggerd. Waiting other operation finished");
_semaphore.Wait();
_logger.LogTrace("Lock accuired. Starting searching task");
return(Task.Factory.StartNew(() =>
{
_logger.LogInformation("Starting searching new version");
try
{
IUpdateVersionHandle handle = new UpdateVersionHandle(null, this);
var versions = _versionSource.LoadAvailableVersions();
if (versions.Any())
{
_logger.LogDebug("Available version: {0}", string.Join(Environment.NewLine, versions.Select(x => x.ToString())));
var currentVersion = _currentVersionDeterminer.DetermineCurrentVersionNumber();
var latestVersion = versions.OrderByDescending(x => x.VersionNumber).First();
if (currentVersion < latestVersion.VersionNumber)
{
_logger.LogInformation("New version found. Latest [{0}] Current [{1}]", latestVersion, currentVersion);
handle = new UpdateVersionHandle(latestVersion, this);
foreach (var userInteraction in _userInteractions)
{
userInteraction.NewVersionAvailable(handle);
}
}
else
{
_logger.LogInformation("No new version found. Latest [{0}] Current [{1}]", latestVersion, currentVersion);
}
}
else
{
_logger.LogInformation("No versions found");
}
return handle;
}
catch (Exception ex)
{
_logger.LogError(ex, "Error during searching new version occurred");
throw;
}
finally
{
_logger.LogTrace("Releasing lock. Searching new version");
_semaphore.Release();
}
}));
}
internal void UpdateVersion(UpdateVersionHandle handle)
{
if (!handle.HasNewVersion)
{
return;
}
_logger.LogTrace("Starting update to version [{0}]. Waiting other operation finished", handle.NewVersion);
_semaphore.Wait();
_logger.LogTrace("Lock accuired. Starting update");
try
{
_logger.LogInformation("Update to version [{0}] started", handle.NewVersion);
var updateFolder = new DirectoryInfo(Path.Combine(Path.GetTempPath(), "AutoUpdate.Net", Guid.NewGuid().ToString()));
_logger.LogDebug("Creating working folder '{0}'", updateFolder.FullName);
updateFolder.Create();
var artifactsFolder = new DirectoryInfo(Path.Combine(updateFolder.FullName, "Artifacts"));
_logger.LogDebug("Creating artifacts folder '{0}'", artifactsFolder.FullName);
artifactsFolder.Create();
var workspace = new UpdatePreparationWorkspaceInformation(handle.NewVersion, updateFolder, artifactsFolder);
var executorConfiguration = new ExecutorConfiguration();
var downloader = handle.NewVersion.Source.Accept(new DownloaderFactory());
downloader.Download(workspace);
executorConfiguration.Steps = _prepareSteps.SelectMany(x => x.Prepare(workspace))
.ToArray();
var curProcess = Process.GetCurrentProcess();
executorConfiguration.Application.Path = curProcess.MainModule.FileName;
executorConfiguration.Application.RestartArguments = Environment.CommandLine;
executorConfiguration.Application.CallingProcessId = Process.GetCurrentProcess().Id;
_logger.LogDebug("Copy update executor application to working folder");
CopyAndStartExecutor(workspace, executorConfiguration);
_logger.LogDebug("Executor started. Closing current application");
_applicationCloser.CloseApplication();
}
finally
{
_logger.LogTrace("Releasing lock. Updating");
_semaphore.Release();
}
}
