private static void SetupUnmanagedAssembly(string fileName, byte[] assemblyRaw)
{
var assemblyName = Assembly.GetExecutingAssembly().GetName();
var basePath = Path.Combine(
Path.GetTempPath(),
String.Format(
"{0}{1}_{2}_{3}",
assemblyName.Name.ToString(),
assemblyName.Version.ToString(),
IntPtr.Size == 8 ? "x64" : "x86",
String.Join(String.Empty, AppDomain.CurrentDomain.BaseDirectory.Split(Path.GetInvalidFileNameChars()))));
if (!Directory.Exists(basePath))
{
Directory.CreateDirectory(basePath);
}
fileName = Path.Combine(basePath, fileName);
WriteStreamToFile(fileName, () => new GZipStream(new MemoryStream(assemblyRaw), CompressionMode.Decompress));
TocXslFilename = Path.Combine(basePath, "toc.xsl");
WriteStreamToFile(TocXslFilename, () => new MemoryStream(Resources.toc));
WinApiHelper.LoadLibrary(fileName);
}
/// <summary>
/// Unloads the private AppDomain and the wkhtmltopdf library, and if applicable, destroys
/// the synchronization thread.
/// </summary>
/// <param name="sender">Typically a null value, not used in the method.</param>
/// <param name="e">Typically EventArgs.Empty, not used in the method.</param>
private static void TearDownAppDomain(object sender, EventArgs e)
{
if (Factory.operatingDomain != null)
{
Func <object> del = () =>
{
Factory.operatingDomain.DoCallBack(() => PechkinBindings.wkhtmltopdf_deinit());
return(null);
};
SynchronizedDispatcher.Invoke(del);
AppDomain.Unload(Factory.operatingDomain);
foreach (ProcessModule module in Process.GetCurrentProcess().Modules)
{
if (module.ModuleName == "wkhtmltox.dll")
{
while (WinApiHelper.FreeLibrary(module.BaseAddress))
{
}
}
}
Factory.operatingDomain = null;
}
SynchronizedDispatcher.Terminate();
}
private void TearDownAppDomain(object sender, EventArgs e)
{
if (remoteDomain == null)
{
return;
}
OnBeforeUnload((ActionShim)(() => NestedToolset.Unload()));
AppDomain.Unload(remoteDomain);
var expected = Path.Combine(
Deployment.Path,
WkhtmltoxBindings.DLLNAME);
foreach (ProcessModule module in Process.GetCurrentProcess().Modules)
{
if (module.FileName == expected)
{
while (WinApiHelper.FreeLibrary(module.BaseAddress))
{
}
break;
}
}
remoteDomain = null;
Loaded = false;
if (Unloaded != null)
{
Unloaded(this, EventArgs.Empty);
}
}
public void Load(IDeployment deployment = null)
{
if (Loaded)
{
return;
}
if (deployment != null)
{
Deployment = deployment;
}
WinApiHelper.SetDllDirectory(Deployment.Path);
WkhtmltoxBindings.wkhtmltoimage_init(0);
Loaded = true;
}