public ExvokerImpl(object o, DelegateStorage d, ICallingConventionAdapter a)
{
foreach (var sdt in d.DelegateTypes)
{
var del = Delegate.CreateDelegate(sdt.DelegateType, o, sdt.Method);
Delegates.Add(del); // prevent garbage collection of the delegate, which would invalidate the pointer
EntryPoints.Add(sdt.EntryPointName, a.GetFunctionPointerForDelegate(del));
}
}
public object Create(IImportResolver dll, IMonitor monitor, ICallingConventionAdapter adapter)
{
var ret = Activator.CreateInstance(ImplType);
ConnectCallingConventionAdapter(ret, adapter);
foreach (var f in Hooks)
{
f(ret, dll, adapter);
}
ConnectMonitor?.Invoke(ret, monitor);
return(ret);
}
public static IImportResolver GetExvoker(object o, ICallingConventionAdapter a)
{
DelegateStorage ds;
lock (Impls)
{
var type = o.GetType();
if (!Impls.TryGetValue(type, out ds))
{
ds = new DelegateStorage(type);
Impls.Add(type, ds);
}
}
return(new ExvokerImpl(o, ds, a));
}
public static T GetInvoker <T>(IImportResolver dll, IMonitor monitor, ICallingConventionAdapter adapter)
where T : class
{
InvokerImpl impl;
lock (Impls)
{
var baseType = typeof(T);
if (!Impls.TryGetValue(baseType, out impl))
{
impl = CreateProxy(baseType, true);
Impls.Add(baseType, impl);
}
}
if (impl.ConnectMonitor == null)
{
throw new InvalidOperationException("Class was previously proxied without a monitor!");
}
return((T)impl.Create(dll, monitor, adapter));
}
/// <exception cref="InvalidOperationException">this method was previously called with <paramref name="dll"/></exception>
public static T GetInvoker <T>(IImportResolver dll, IMonitor monitor, ICallingConventionAdapter adapter)
where T : class
{
var nonTrivialAdapter = adapter.GetType() != CallingConventionAdapters.Native.GetType();
InvokerImpl?impl;
lock (Impls)
{
var baseType = typeof(T);
if (!Impls.TryGetValue(baseType, out impl))
{
impl = CreateProxy(baseType, true, nonTrivialAdapter);
Impls.Add(baseType, impl !);
}
}
if (!(impl !.IsMonitored))
{
throw new InvalidOperationException("Class was previously proxied without a monitor!");
}
return((T)impl.Create(dll, monitor, adapter));
}
public static T GetDelegateForFunctionPointer <T>(this ICallingConventionAdapter a, IntPtr p)
where T : class
{
return((T)(object)a.GetDelegateForFunctionPointer(p, typeof(T)));
}
static WaterboxAdapter()
{
WaterboxWrapper = OSTailoredCode.IsUnixHost
? new NativeConvention()
: (ICallingConventionAdapter) new MsHostSysVGuest();
}
public static T GetDelegateForFunctionPointer <T>(this ICallingConventionAdapter a, IntPtr p)
where T : Delegate
=> (T)a.GetDelegateForFunctionPointer(p, typeof(T));
