public InstalledApplication CommitInstallation(string applicationName)
{
lock (_syncRoot)
{
InstalledApplication newApp = _pendingInstallations[applicationName];
foreach (InstalledFile file in newApp.Files)
{
Stream stream;
if (_openedFiles.TryGetValue(file.Id, out stream))
{
stream.Dispose();
_openedFiles.Remove(file.Id);
}
}
_pendingInstallations.Remove(applicationName);
_installedApplications[applicationName] = newApp;
Log.DebugFormat("Installation of '{0}' finished", newApp.Name);
StartAllApplicationInstances(newApp.Name);
return(newApp);
}
}
private InstalledFile CreateAndAddFileDescription(InstalledApplication app, Environment.SpecialFolder folder, string fileName, long fileSize)
{
var existing =
app.Files.FirstOrDefault(
x => string.Equals(fileName, x.Filename, StringComparison.InvariantCultureIgnoreCase) && x.Folder == folder);
long id;
if (existing != null)
{
app.Files.Remove(existing);
id = existing.Id;
}
else
{
id = Interlocked.Increment(ref _nextFileId);
}
var file = new InstalledFile
{
Id = id,
FileLength = fileSize,
Filename = fileName,
Folder = folder
};
app.Files.Add(file);
return(file);
}
public void DeleteFile(string applicationName, Environment.SpecialFolder folder, string fileName)
{
Log.DebugFormat("Deleting file '{0}'", fileName);
InstalledApplication app = _installedApplications[applicationName];
string path = Resolve(app, folder, fileName);
File.Delete(path);
}
public void StartInstallation(ApplicationDescriptor description, Installation installation)
{
lock (_syncRoot)
{
Log.DebugFormat("Starting installation of '{0}': {1}", description.Name, installation);
// If there's another pending installation with the same folder then we'll bail early...
InstalledApplication pending =
_pendingInstallations.Values.FirstOrDefault(x => x.Descriptor.Name == description.Name);
if (pending != null)
{
throw new InstallationFailedException(
string.Format(
"There already is a pending installation for the same application - this installation must be completed or aborted in order for a new installation to be allowed"));
}
// Let's find out if we're replacing an existing installation...
InstalledApplication existingApp;
_installedApplications.TryGetValue(description.Name, out existingApp);
InstalledApplication newApp;
if (existingApp != null)
{
switch (installation)
{
case Installation.FailOnUpgrade:
throw new InstallationFailedException(
string.Format("There already is an installation of the same application present"));
case Installation.CleanInstall:
StopAllApplicationInstances(existingApp.Name);
RemoveApplication(existingApp.Name);
newApp = new InstalledApplication(description);
break;
case Installation.ColdUpdate:
StopAllApplicationInstances(existingApp.Name);
newApp = new InstalledApplication(description);
newApp.Files.AddRange(existingApp.Files);
break;
case Installation.HotUpdate:
newApp = new InstalledApplication(description);
newApp.Files.AddRange(existingApp.Files);
break;
default:
throw new InvalidEnumArgumentException(nameof(installation), (int)installation, typeof(Installation));
}
}
else
{
newApp = new InstalledApplication(description);
}
_pendingInstallations.Add(newApp.Name, newApp);
}
}
/// <inheritdoc />
public void UninstallApplication(InstalledApplication application)
{
if (application == null)
{
throw new ArgumentNullException(nameof(application));
}
_internalWatchdog.RemoveApplication(application.Descriptor.Name);
}
public InstalledApplication Commit()
{
_commitTokenSource.Cancel();
_task.Wait();
ThrowIfNecessary();
// No exception was thrown - let's try to end the installation
// on the remote system - if that work's then we're done
InstalledApplication ret = _watchdog.CommitInstallation(_descriptor.Name);
_success = true;
return(ret);
}
public void WriteFile(string applicationName, Environment.SpecialFolder folder, string fileName, byte[] content)
{
Log.DebugFormat("Creating file '{0}': {1} bytes", fileName, content.Length);
InstalledApplication app = _pendingInstallations[applicationName];
string path = Resolve(app, folder, fileName);
if (File.Exists(path))
{
File.Delete(path);
}
File.WriteAllBytes(path, content);
CreateAndAddFileDescription(app, folder, fileName, content.Length);
}
private Process StartNewProcress(string instanceName)
{
lock (_syncRoot)
{
ApplicationInstanceDescription instance = _registeredApplicationInstances[instanceName];
InstalledFile executable = instance.Executable;
InstalledApplication application = _installedApplications[instance.ApplicationName];
var process = new Process
{
StartInfo = new ProcessStartInfo
{
FileName = Resolve(application, executable.Folder, executable.Filename),
},
EnableRaisingEvents = true
};
return(process);
}
}
public long CreateFile(string applicationName, Environment.SpecialFolder folder, string fileName, long fileSize)
{
Log.DebugFormat("Creating file '{0}': {1} bytes", fileName, fileSize);
InstalledApplication app = _pendingInstallations[applicationName];
string fname = Resolve(app, folder, fileName);
var file = CreateAndAddFileDescription(app, folder, fileName, fileSize);
CreateFolder(fname);
if (File.Exists(fname))
{
File.Delete(fname);
}
var fs = new FileStream(fname, FileMode.Create, FileAccess.Write, FileShare.None);
fs.SetLength(fileSize);
lock (_syncRoot)
{
_openedFiles.Add(file.Id, fs);
}
return(file.Id);
}
public static string Resolve(InstalledApplication app, Environment.SpecialFolder folder, string relativeFileName)
{
return(Resolve(app.Name, folder, relativeFileName));
}
