public Invocation(string key, Type handlerTargetType, MethodInfo handlerMethodInfo, Type handlerParametersTupleType, IRpcSerializer rpcSerializer)
{
Key = key;
HandlerTargetType = handlerTargetType;
HandlerMethodInfo = handlerMethodInfo;
HandlerParameterTupleType = handlerParametersTupleType;
RpcSerializer = rpcSerializer;
_fastInvokeHandler = DynamicProxyHelper.CreateFastInvokeHandler(HandlerMethodInfo);
}
private static Type CreateProxyType()
{
var interfaceType = InterfaceType;
var typeName = string.Format("{0}_{1}_Imp_{2}", typeof(EasyProxyGenerator <T>).Name, interfaceType.Name, interfaceType.GetHashCode());
TypeBuilder typeBuilder = ModuleBuilder.DefineType(typeName, TypeAttributes.Public | TypeAttributes.Class | TypeAttributes.Sealed, typeof(ProxyBase));
typeBuilder.AddInterfaceImplementation(interfaceType);
MethodInfo interceptMethodInfo = typeof(IInterceptor).GetMethod("Proceed", BindingFlags.Instance | BindingFlags.Public);
FieldBuilder fieldBuilder = DynamicProxyHelper.DefineField(typeBuilder, "interceptor", typeof(IInterceptor), FieldAttributes.Private);
DynamicProxyHelper.DefineConstructor(typeBuilder, fieldBuilder);
DynamicProxyHelper.DefineMethods(typeBuilder, fieldBuilder, interfaceType, interceptMethodInfo);
return(typeBuilder.CreateType());
}
private void RegisterService(string serviceName, string actionName, object service, Type serviceType, MethodInfo methodInfo, IRpcSerializer rpcSerializer)
{
var typeArray = DynamicProxyHelper.GetParameterTypes(methodInfo.GetParameters());
if (typeArray.Length > 10)
{
throw new ArgumentException(string.Format("RegisterService error,service:{0},action:{1}, parameters count is not valid, max method parameter count is {2} ", serviceName, actionName, 10));
}
var parameterTupleType = CustomTuple.CreateType(typeArray);
var title = DynamicProxyHelper.FormatTitle(serviceName, actionName, typeArray, methodInfo.ReturnType);
var invocation = new Invocation(title, serviceType, methodInfo, parameterTupleType, rpcSerializer);
_invocationDictionary.TryAdd(invocation.Key, invocation);
LogAgent.Info(string.Format("RegisterService -> {0}", title));
}
public static object CreateInstance(Type type, object[] parameterArray)
{
_createFuncDictionary.TryGetValue(type, out var _createFunc);
if (_createFunc != null)
{
return(_createFunc(parameterArray));
}
var typeList = DynamicProxyHelper.GetParameterTypes(parameterArray);
_createFuncDictionary[type] = CreateHandler(type, typeList);
_createFuncDictionary.TryGetValue(type, out var _createFunc2);
if (_createFunc2 != null)
{
return(_createFunc2(parameterArray));
}
throw new RpcException();
}
private static MethodBuilder DefineMethod(MethodInfo interfaceMethodInfo, MethodInfo interceptMethodInfo, Type parameterTupleType, TypeBuilder typeBuilder, FieldBuilder fieldBuilder, string title)
{
ParameterInfo[] parameterArray = interfaceMethodInfo.GetParameters();
MethodBuilder methodBuilder = typeBuilder.DefineMethod(interfaceMethodInfo.Name, DefaultMethodAttributes, interfaceMethodInfo.ReturnType, DynamicProxyHelper.GetParameterTypes(parameterArray));
ILGenerator il = methodBuilder.GetILGenerator();
il.DeclareLocal(typeof(object[]));
if (interfaceMethodInfo.ReturnType != typeof(void))
{
il.DeclareLocal(interfaceMethodInfo.ReturnType);
}
il.Emit(OpCodes.Nop);
il.Emit(OpCodes.Ldc_I4, parameterArray.Length);
il.Emit(OpCodes.Newarr, typeof(object));
il.Emit(OpCodes.Stloc_0);
for (int i = 0; i < parameterArray.Length; i++)
{
il.Emit(OpCodes.Ldloc_0);
il.Emit(OpCodes.Ldc_I4, i);
il.Emit(OpCodes.Ldarg, 1 + i);
il.Emit(OpCodes.Box, parameterArray[i].ParameterType);
il.Emit(OpCodes.Stelem_Ref);
}
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldfld, fieldBuilder);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldstr, title);
il.Emit(OpCodes.Ldtoken, parameterTupleType);
il.Emit(OpCodes.Ldloc_0);
il.Emit(OpCodes.Ldtoken, interfaceMethodInfo.ReturnType);
il.Emit(OpCodes.Call, interceptMethodInfo);
if (interfaceMethodInfo.ReturnType == typeof(void))
{
il.Emit(OpCodes.Pop);
}
else
{
il.Emit(OpCodes.Unbox_Any, interfaceMethodInfo.ReturnType);
il.Emit(OpCodes.Stloc_1);
il.Emit(OpCodes.Ldloc_1);
}
il.Emit(OpCodes.Ret);
return(methodBuilder);
}
