private PackageFragmentValidationResult DoInstall()
{
using (var transactionScope = TransactionsFacade.Create(true, TimeSpan.FromMinutes(30.0)))
{
string uninstallFilename = Path.Combine(this.PackageInstallDirectory,
PackageSystemSettings.UninstallFilename);
Exception installException = null;
XElement uninstallElements =
new XElement(XmlUtils.GetXName(PackageSystemSettings.XmlNamespace,
PackageSystemSettings.PackageFragmentUninstallersElementName));
try
{
foreach (var kvp in _packageFramentInstallers)
{
List <XElement> uninstallInformation = kvp.Key.Install().ToList();
if (this.CanBeUninstalled)
{
XElement uninstallElement =
new XElement(XmlUtils.GetXName(PackageSystemSettings.XmlNamespace,
PackageSystemSettings.
PackageFragmentUninstallersAddElementName));
uninstallElement.Add(new XAttribute(PackageSystemSettings.UninstallerTypeAttributeName,
TypeManager.SerializeType(kvp.Value)));
uninstallElement.Add(uninstallInformation);
uninstallElements.Add(uninstallElement);
}
}
}
catch (Exception ex)
{
installException = ex;
LoggingService.LogError("Package installation failed", ex);
}
finally
{
if (this.CanBeUninstalled)
{
XDocument doc =
new XDocument(
new XElement(
XmlUtils.GetXName(PackageSystemSettings.XmlNamespace,
PackageSystemSettings.PackageInstallerElementName),
uninstallElements));
doc.SaveToFile(uninstallFilename);
}
}
if (installException != null)
{
if (this.CanBeUninstalled)
{
IPackageUninstaller packageUninstaller =
this.PackageInstallerUninstallerFactory.CreateUninstaller(
this.ZipFilename, uninstallFilename,
this.PackageInstallDirectory,
TempDirectoryFacade.
CreateTempDirectory(),
this.FlushOnCompletion,
this.ReloadConsoleOnCompletion,
false,
this.PackageInformation);
List <PackageFragmentValidationResult> validationResult = null;
try
{
validationResult = packageUninstaller.Validate().ToList();
}
catch (Exception ex)
{
return(new PackageFragmentValidationResult(PackageFragmentValidationResultType.Fatal, ex));
}
if (validationResult.Count == 0)
{
try
{
packageUninstaller.Uninstall(SystemLockingType.None);
}
catch (Exception ex)
{
return(new PackageFragmentValidationResult(PackageFragmentValidationResultType.Fatal, ex));
}
}
else
{
LoggingService.LogError(LogTitle, "Failed to perform installation rollback.");
foreach (var valResult in validationResult)
{
if (valResult.Exception != null)
{
LoggingService.LogError(LogTitle, new InvalidOperationException(valResult.Message ?? string.Empty, valResult.Exception));
}
else
{
LoggingService.LogWarning(LogTitle, valResult.Message);
}
}
return(new PackageFragmentValidationResult(PackageFragmentValidationResultType.Fatal,
"Could not perform installation rollback. The details are in the log.")
{
InnerResult = validationResult
});
}
}
return(new PackageFragmentValidationResult(PackageFragmentValidationResultType.Fatal,
installException));
}
transactionScope.Complete();
}
return(null);
}