public object WaitOnHandle(CallbackHandle handle)
{
if (handle.Resolved)
{
return(null);
}
if (!callbackDict.ContainsKey(handle.HandleId))
{
throw new Exception("Engine error (report to developers). Cannot wait on invalid handle");
}
#if DEBUG
var callerMethod = (new System.Diagnostics.StackTrace()).GetFrame(1).GetMethod();
var callerName = (new System.Diagnostics.StackTrace()).GetFrame(1).GetMethod().Name;
if (callerName == "SynchronousCall")
{
callerMethod = (new System.Diagnostics.StackTrace()).GetFrame(2).GetMethod();
}
Console.WriteLine($"Waiting on handle {handle.HandleId}. Caller: {callerMethod.DeclaringType.Name}.{callerMethod.Name}");
#endif
while (true)
{
GetMessage(out long requestId, out object result, out string error);
if (requestId == handle.HandleId)
{
return(result);
}
// feature - add infinite loop check
}
}
private CallbackHandle RemoteCallInternal(Contract contract, object param, Func <object, string, object> callback)
{
long requestId = counter;
counter++;
var handle = new CallbackHandle(requestId, callback);
callbackDict.Add(requestId, handle);
SendMessage(param, "c_callfunc_" + contract.FuncName, requestId);
return(handle);
}