internal SharedDelegate(MethodInfo info, SharedClass sharedClass, Type DelegateType, int DelegateId, Delegate Delegate, int MethodId)
{
this.sharedMethod = new SharedMethod(info, sharedClass, true, DelegateId);
this.DelegateType = DelegateType;
this.Delegate = Delegate;
this.sharedMethod.MethodId = MethodId;
}
public void Dispose()
{
Name = null;
ArgumentTypes = null;
ReturnType = null;
sharedClass = null;
}
internal SharedDelegate(MethodInfo info, SharedClass sharedClass, Type DelegateType, int DelegateId, Delegate Delegate, int MethodId)
{
this.sharedMethod = new SharedMethod(info, sharedClass, true, DelegateId);
this.DelegateType = DelegateType;
this.Delegate = Delegate;
this.sharedMethod.MethodId = MethodId;
}
internal SharedMethod(MethodInfo info, SharedClass sharedClass, bool isDelegate = false, int DelegateId = 0)
{
this.Name = info.Name;
this.DelegateIndex = new SortedList <int, SharedDelegateInfo>();
this.Delegates = new SortedList <int, SharedDelegate>();
ParameterInfo[] parameters = info.GetParameters();
List <Type> types = new List <Type>();
for (int i = 0; i < parameters.Length; i++)
{
types.Add(parameters[i].ParameterType);
if (parameters[i].ParameterType.BaseType != null)
{
if (parameters[i].ParameterType.BaseType.FullName == "System.MulticastDelegate")
{
DelegateIndex.Add(i, new SharedDelegateInfo()
{
isUnchecked = (parameters[i].GetCustomAttributes(typeof(UncheckedRemoteExecutionAttribute), false).Length > 0),
UsePacketQueue = (parameters[i].GetCustomAttributes(typeof(PacketQueueAttribute), false).Length > 0),
UseUDP = (parameters[i].GetCustomAttributes(typeof(UdpMethodAttribute), false).Length > 0)
});
}
}
}
this.ArgumentTypes = types.ToArray();
this.ReturnType = info.ReturnType;
this.Unchecked = (info.GetCustomAttributes(typeof(UncheckedRemoteExecutionAttribute), false).Length > 0);
this.usePacketQueue = (info.GetCustomAttributes(typeof(PacketQueueAttribute), false).Length > 0);
this.useUdp = (info.GetCustomAttributes(typeof(UdpMethodAttribute), false).Length > 0);
object[] tempAttr = info.GetCustomAttributes(typeof(RemoteExecutionAttribute), false);
if (tempAttr.Length > 0)
{
TimeOutLength = (tempAttr[0] as RemoteExecutionAttribute).TimeOut;
TimeOutValue = (tempAttr[0] as RemoteExecutionAttribute).TimeOutValue;
}
types.Clear();
types = null;
this.CanReturn = info.ReturnType.FullName != "System.Void";
this.sharedClass = sharedClass;
this.isDelegate = isDelegate;
this.DelegateId = DelegateId;
}
internal SharedMethod(MethodInfo info, SharedClass sharedClass, bool isDelegate = false, int DelegateId = 0)
{
this.Name = info.Name;
this.DelegateIndex = new SortedList<int, SharedDelegateInfo>();
this.Delegates = new SortedList<int, SharedDelegate>();
ParameterInfo[] parameters = info.GetParameters();
List<Type> types = new List<Type>();
for (int i = 0; i < parameters.Length; i++)
{
types.Add(parameters[i].ParameterType);
if (parameters[i].ParameterType.BaseType != null)
{
if (parameters[i].ParameterType.BaseType.FullName == "System.MulticastDelegate")
{
DelegateIndex.Add(i, new SharedDelegateInfo()
{
isUnchecked = (parameters[i].GetCustomAttributes(typeof(UncheckedRemoteExecutionAttribute), false).Length > 0),
UsePacketQueue = (parameters[i].GetCustomAttributes(typeof(PacketQueueAttribute), false).Length > 0),
UseUDP = (parameters[i].GetCustomAttributes(typeof(UdpMethodAttribute), false).Length > 0),
NoWaitingTime = (parameters[i].GetCustomAttributes(typeof(NoWaitMethodAttribute), false).Length > 0)
});
}
}
}
this.ArgumentTypes = types.ToArray();
this.ReturnType = info.ReturnType;
this.Unchecked = (info.GetCustomAttributes(typeof(UncheckedRemoteExecutionAttribute), false).Length > 0);
this.usePacketQueue = (info.GetCustomAttributes(typeof(PacketQueueAttribute), false).Length > 0);
this.useUdp = (info.GetCustomAttributes(typeof(UdpMethodAttribute), false).Length > 0);
this.NoWaitingTime = (info.GetCustomAttributes(typeof(NoWaitMethodAttribute), false).Length > 0);
types.Clear();
types = null;
this.CanReturn = info.ReturnType.FullName != "System.Void";
this.sharedClass = sharedClass;
this.isDelegate = isDelegate;
this.DelegateId = DelegateId;
}
/// <summary>
/// Get the shared class from the remote client to call methods at the remote client
/// </summary>
/// <param name="classType">The main Type to use</param>
/// <param name="InterfacePrototype">This interface should contain all the methods used in the ClassType</param>
/// <returns>return Shared Class</returns>
public InterfacePrototype CreateDynamicClass <InterfacePrototype>(SharedClass sharedClass)
{
lock (Locky)
{
Type prototype = typeof(InterfacePrototype);
if (!prototype.IsInterface || !prototype.IsPublic)
{
throw new Exception("InterfacePrototype must be a interface and public");
}
if (!TypeCache.ContainsKey(prototype.FullName))
{
TypeBuilder typeBuilder = modBuilder.DefineType("dyn_" + prototype.Name, TypeAttributes.Public |
TypeAttributes.Class |
TypeAttributes.AutoClass |
TypeAttributes.AnsiClass |
TypeAttributes.BeforeFieldInit |
TypeAttributes.AutoLayout,
typeof(object),
new Type[] { prototype });
//add our RootSocket info, I did on purpose "$" so u can't directly access this variable
FieldBuilder fb = typeBuilder.DefineField("$haredClass", typeof(SharedClass), FieldAttributes.Public);
DuplicateMethods(typeBuilder, prototype, fb, sharedClass);
CreateConstructor(typeBuilder, fb);
CreateDeconstructor(typeBuilder, fb);
Type InitType = typeBuilder.CreateType();
TypeCache.Add(prototype.FullName, InitType);
return((InterfacePrototype)InitType.GetConstructor(new Type[] { typeof(SharedClass) }).Invoke(new object[] { sharedClass }));
}
else
{
return((InterfacePrototype)TypeCache[prototype.FullName].GetConstructor(new Type[] { typeof(SharedClass) }).Invoke(new object[] { sharedClass }));
}
}
}
private void DuplicateMethods(TypeBuilder typeBuilder, Type target, FieldBuilder fb, SharedClass sharedClass)
{
foreach (MethodInfo m in target.GetMethods())
{
/*if ((m.GetCustomAttributes(typeof(RemoteExecutionAttribute), false).Length == 0 &&
* m.GetCustomAttributes(typeof(UncheckedRemoteExecutionAttribute), false).Length == 0) &&
* m.Name != "Dispose")
* {
* continue;
* }*/
Type[] ArgumentTypes = GetParameterTypes(m.GetParameters());
MethodBuilder builder = typeBuilder.DefineMethod(m.Name, MethodAttributes.Public | MethodAttributes.Virtual | MethodAttributes.HideBySig, m.CallingConvention, m.ReturnType, ArgumentTypes);
typeBuilder.DefineMethodOverride(builder, m);
//builder.CreateMethodBody(null, 0);
ILGenerator gen = builder.GetILGenerator();
MethodInfo SharedCall = typeof(SharedClass).GetMethod("Invoke", new Type[] { typeof(int), typeof(object[]) });
SharedMethod sharedMethod = sharedClass.GetMethod(m.Name, ArgumentTypes);
LocalBuilder lb = gen.DeclareLocal(typeof(object[]));
if (sharedMethod == null)
{
throw new Exception("Missing a method \"" + m.Name + "\" check your shared class!");
}
//load $haredClass
gen.Emit(OpCodes.Ldarg_0);
gen.Emit(OpCodes.Ldfld, fb);
gen.Emit(OpCodes.Ldc_I4, sharedMethod.MethodId);
//gen.Emit(OpCodes.Ldstr, m.Name);
//init local array
gen.Emit(OpCodes.Ldc_I4, ArgumentTypes.Length);
gen.Emit(OpCodes.Newarr, typeof(object));
gen.Emit(OpCodes.Stloc_0);
for (int i = 0; i < ArgumentTypes.Length; i++)
{
gen.Emit(OpCodes.Ldloc_0);
gen.Emit(OpCodes.Ldc_I4, i);
gen.Emit(OpCodes.Ldarg, i + 1);
if (ArgumentTypes[i].IsByRef)
{
//remove & at the end since ref/out adds & at the end of the argument
ArgumentTypes[i] = Type.GetType(ArgumentTypes[i].FullName.Substring(0, ArgumentTypes[i].FullName.Length - 1));
}
gen.Emit(OpCodes.Box, ArgumentTypes[i]);
gen.Emit(OpCodes.Stelem_Ref);
}
gen.Emit(OpCodes.Ldloc_0);
gen.Emit(OpCodes.Callvirt, SharedCall);
bool isInt = m.ReturnType.IsAssignableFrom(typeof(System.Int32)) ||
m.ReturnType.IsAssignableFrom(typeof(System.UInt32)) ||
m.ReturnType.IsAssignableFrom(typeof(System.Boolean)) ||
m.ReturnType.IsAssignableFrom(typeof(System.Int64)) ||
m.ReturnType.IsAssignableFrom(typeof(System.UInt64));
if (m.ReturnType.FullName != "System.Void" && !isInt)
{
gen.Emit(OpCodes.Box, m.ReturnType);
}
else if (m.ReturnType.FullName == "System.Void") //no return
{
gen.Emit(OpCodes.Pop);
}
else if (isInt)
{
gen.Emit(OpCodes.Unbox, m.ReturnType);
gen.Emit(OpCodes.Ldobj, m.ReturnType);
}
gen.Emit(OpCodes.Ret);
}
}
public object onRequest(AClient connection, MsgGetSharedClass request)
{
ReturnResult result = new ReturnResult(null, false);
lock(connection.SharingClasses)
{
try
{
if (connection.SharingClasses.ContainsKey(request.ClassName))
{
SharedClass localSharedClass = connection.SharingClasses[request.ClassName];
if (localSharedClass.RemoteInitialize)
{
bool FoundConstructor = false;
if (request.ArgObjects.Length > 0)
{
//lets check if there is a constructor with these arguments
for (int i = 0; i < localSharedClass.ConstructorTypes.Count; i++)
{
if (localSharedClass.ConstructorTypes[i].Length == request.ArgObjects.Length)
{
bool CorrectArgs = true;
for (int j = 0; j < request.ArgObjects.Length; j++)
{
if (localSharedClass.ConstructorTypes[i][j] != request.ArgObjects[j].GetType() &&
localSharedClass.ConstructorTypes[i][j] != request.ArgObjects[j].GetType().BaseType)
{
CorrectArgs = false;
break;
}
}
if (CorrectArgs)
{
FoundConstructor = true;
break;
}
}
}
if (!FoundConstructor)
return null;
}
}
SharedClass sClass = new SharedClass(localSharedClass.BaseClassType, connection, localSharedClass.RemoteInitialize, localSharedClass.BaseClassTypeArgs);
sClass.InitializedClass = Activator.CreateInstance(sClass.BaseClassType, localSharedClass.RemoteInitialize ? request.ArgObjects : sClass.BaseClassTypeArgs);
Random rnd = new Random(DateTime.Now.Millisecond);
int RandomId = rnd.Next();
while (connection.RemoteSharedClasses.ContainsKey(RandomId))
RandomId = rnd.Next();
sClass.SharedId = RandomId;
connection.RemoteSharedClasses.Add(RandomId, sClass);
result.ReturnValue = sClass;
return result;
}
} catch (Exception ex)
{
result.ExceptionOccured = true;
result.exceptionMessage = ex.InnerException != null ? ex.InnerException.Message : ex.Message;
}
}
return result;
}
