public static void Weave(ModuleDefinition module, Dictionary <ushort, MethodDefinition> methods, TypeDefinition protocol)
{
if (module == null || methods.Count == 0 || protocol == null)
{
return;
}
FieldReference connectionField = module.ImportReference(ResolveHelper.ResolveField(protocol.BaseType, "m_Connection"));
{
//public void Register();
MethodDefinition registerMethod = ResolveHelper.ResolveMethod(protocol, "Register");
registerMethod.Body.Variables.Clear();
registerMethod.Body.Instructions.Clear();
ILProcessor registerProcessor = registerMethod.Body.GetILProcessor();
registerProcessor.Append(registerProcessor.Create(OpCodes.Nop));
foreach (ushort msgId in methods.Keys)
{
MethodDefinition method = methods[msgId];
if (!CheckHelper.CheckMethodParams(WeaverProgram.Client, method))
{
continue;
}
MethodDefinition protoMethodImpl = MethodFactory.CreateMethod(module, protocol, "OnProtocol_" + msgId, MethodAttributes.Private | MethodAttributes.HideBySig, true);
protoMethodImpl.Parameters.Add(new ParameterDefinition("msg", ParameterAttributes.None, module.ImportReference(WeaverProgram.ChannelMessageType)));
protoMethodImpl.Body.Variables.Add(new VariableDefinition(module.ImportReference(WeaverProgram.ByteBufferType)));
{
ILProcessor processor = protoMethodImpl.Body.GetILProcessor();
processor.Append(processor.Create(OpCodes.Nop));
processor.Append(processor.Create(OpCodes.Ldarg_1));
processor.Append(processor.Create(OpCodes.Ldfld, module.ImportReference(WeaverProgram.ChannelMessageBufferField)));
processor.Append(processor.Create(OpCodes.Stloc_0));
List <int> indexs = new List <int>();
Collection <ParameterDefinition> parms = method.Parameters;
for (int i = 0; i < parms.Count; ++i)
{
ParameterDefinition parm = parms[i];
TypeDefinition parmType = parm.ParameterType.Resolve();
protoMethodImpl.Body.Variables.Add(new VariableDefinition(module.ImportReference(parm.ParameterType)));
int index = protoMethodImpl.Body.Variables.Count - 1;
indexs.Add(index);
if (parm.ParameterType.FullName == typeof(byte[]).FullName)
{
processor.Append(processor.Create(OpCodes.Ldloc_0));
processor.Append(processor.Create(OpCodes.Call, module.ImportReference(WeaverProgram.ByteUtilsReadMethod)));
processor.Append(processor.Create(OpCodes.Stloc, index));
continue;
}
if (parm.ParameterType.FullName == typeof(ByteBuffer).FullName)
{
processor.Append(processor.Create(OpCodes.Ldloc_0));
processor.Append(processor.Create(OpCodes.Call, module.ImportReference(WeaverProgram.ByteBufferUtilsReadMethod)));
processor.Append(processor.Create(OpCodes.Stloc, index));
continue;
}
if (parm.ParameterType.IsArray)
{
ArrayReadFactory.CreateMethodVariableReadInstruction(module, protoMethodImpl, processor, parmType);
continue;
}
if (BaseTypeFactory.IsBaseType(parmType))
{
processor.Append(processor.Create(OpCodes.Ldloc_0));
processor.Append(BaseTypeFactory.CreateReadInstruction(module, processor, parmType));
processor.Append(processor.Create(OpCodes.Stloc, index));
continue;
}
if (parmType.IsValueType)
{
MethodDefinition deserialize = StructMethodFactory.CreateDeserialize(module, parmType);
processor.Append(processor.Create(OpCodes.Ldloca, index));
processor.Append(processor.Create(OpCodes.Initobj, module.ImportReference(parmType)));
processor.Append(processor.Create(OpCodes.Ldloca, index));
processor.Append(processor.Create(OpCodes.Ldloc_0));
processor.Append(processor.Create(OpCodes.Call, module.ImportReference(deserialize)));
}
}
for (int i = 0; i < indexs.Count; ++i)
{
processor.Append(processor.Create(OpCodes.Ldloc, indexs[i]));
}
processor.Append(processor.Create(OpCodes.Call, method));
processor.Append(processor.Create(OpCodes.Nop));
processor.Append(processor.Create(OpCodes.Ret));
}
registerProcessor.Append(registerProcessor.Create(OpCodes.Ldarg_0));
registerProcessor.Append(registerProcessor.Create(OpCodes.Ldfld, connectionField));
registerProcessor.Append(registerProcessor.Create(OpCodes.Ldc_I4, msgId));
registerProcessor.Append(registerProcessor.Create(OpCodes.Ldarg_0));
registerProcessor.Append(registerProcessor.Create(OpCodes.Ldftn, protoMethodImpl));
registerProcessor.Append(registerProcessor.Create(OpCodes.Newobj, module.ImportReference(typeof(ChannelMessageDelegate).GetConstructor(new Type[] { typeof(object), typeof(IntPtr) }))));
registerProcessor.Append(registerProcessor.Create(OpCodes.Callvirt, module.ImportReference(WeaverProgram.IConnectionRegisterHandlerMethod)));
}
registerProcessor.Append(registerProcessor.Create(OpCodes.Ret));
}
{
//public void Unregister();
MethodDefinition unregisterMethod = ResolveHelper.ResolveMethod(protocol, "UnRegister");
unregisterMethod.Body.Variables.Clear();
unregisterMethod.Body.Instructions.Clear();
ILProcessor unregisterProcessor = unregisterMethod.Body.GetILProcessor();
unregisterProcessor.Append(unregisterProcessor.Create(OpCodes.Nop));
foreach (ushort key in methods.Keys)
{
unregisterProcessor.Append(unregisterProcessor.Create(OpCodes.Ldarg_0));
unregisterProcessor.Append(unregisterProcessor.Create(OpCodes.Ldfld, connectionField));
unregisterProcessor.Append(unregisterProcessor.Create(OpCodes.Ldc_I4, key));
unregisterProcessor.Append(unregisterProcessor.Create(OpCodes.Callvirt, module.ImportReference(WeaverProgram.IConnectionUnregisterHandlerMethod)));
}
unregisterProcessor.Append(unregisterProcessor.Create(OpCodes.Ret));
}
}
public static MethodDefinition CreateDeserialize(ModuleDefinition module, TypeDefinition type)
{
MethodDefinition deserialize = MethodFactory.CreateMethod(module, type, "Deserialize", MethodAttributes.Public | MethodAttributes.SpecialName | MethodAttributes.HideBySig, true);
deserialize.Parameters.Add(new ParameterDefinition("rBuffer", ParameterAttributes.None, module.ImportReference(WeaverProgram.ByteBufferType)));
ILProcessor processor = deserialize.Body.GetILProcessor();
processor.Append(processor.Create(OpCodes.Nop));
foreach (FieldDefinition field in type.Fields)
{
TypeDefinition fieldType = field.FieldType.Resolve();
if (!CheckHelper.CheckStructFiled(WeaverProgram.Base, type, fieldType))
{
continue;
}
if (field.FieldType.FullName == typeof(byte[]).FullName)
{
processor.Append(processor.Create(OpCodes.Ldarg, 0));
processor.Append(processor.Create(OpCodes.Ldarg, 1));
processor.Append(processor.Create(OpCodes.Call, module.ImportReference(WeaverProgram.ByteUtilsReadMethod)));
processor.Append(processor.Create(OpCodes.Stfld, field));
continue;
}
if (field.FieldType.FullName == typeof(ByteBuffer).FullName)
{
processor.Append(processor.Create(OpCodes.Ldarg, 0));
processor.Append(processor.Create(OpCodes.Ldarg, 1));
processor.Append(processor.Create(OpCodes.Call, module.ImportReference(WeaverProgram.ByteBufferUtilsReadMethod)));
processor.Append(processor.Create(OpCodes.Stfld, field));
continue;
}
if (field.FieldType.IsArray)
{
ArrayReadFactory.CreateStructFieldReadInstruction(module, deserialize, processor, field, fieldType);
}
else if (BaseTypeFactory.IsBaseType(fieldType))
{
processor.Append(processor.Create(OpCodes.Ldarg_0));
processor.Append(processor.Create(OpCodes.Ldarg_1));
processor.Append(BaseTypeFactory.CreateReadInstruction(module, processor, fieldType));
processor.Append(processor.Create(OpCodes.Stfld, field));
}
else if (fieldType.IsValueType)
{
MethodDefinition dser = CreateDeserialize(module, fieldType);
processor.Append(processor.Create(OpCodes.Ldarg_0));
processor.Append(processor.Create(OpCodes.Ldflda, field));
processor.Append(processor.Create(OpCodes.Ldarg_1));
processor.Append(processor.Create(OpCodes.Call, dser));
}
}
processor.Append(processor.Create(OpCodes.Nop));
processor.Append(processor.Create(OpCodes.Ret));
return(deserialize);
}