private Task <object> Callback(RpcMethodMetadata methodMetadata, int requestId, int timeout, object[] parameters, CodecAttribute codec)
{
return(callBackHandler.AddCallBack(requestId, timeout)
.ContinueWith(t =>
{
if (t.Result.Ret != Const.ServerSuccess)
{
throw new TarsException(t.Result.Ret, t.Result.ResultDesc);
}
var info = codec.DecodeReturnValue(t.Result, methodMetadata);
if (info.Item2 == null)
{
return info.Item1;
}
var index = 0;
foreach (var item in methodMetadata.Parameters.Where(i => i.ParameterType.IsByRef))
{
if (index >= info.Item2.Length)
{
break;
}
parameters[item.Position] = info.Item2[index++];
}
return info.Item1;
}));
}
private object HandleResult(Task task, RpcMethodMetadata methodMetadata, int requestId, int timeout, object[] parameters, CodecAttribute codec)
{
switch (methodMetadata.InvokeStatus)
{
case InvokeStatus.SyncCall:
return(Callback(methodMetadata, requestId, timeout, parameters, codec).Result);
case InvokeStatus.AsyncCall:
return(Callback(methodMetadata, requestId, timeout, parameters, codec));
case InvokeStatus.Oneway:
default:
return(null);
}
}
