private IEnumerator <object> RemoteCallTask(ProcessInfo process)
{
var channel = process.GetNamedChannel("remotecall");
var serializer = new JavaScriptSerializer();
while (true)
{
var fNext = channel.Receive();
using (fNext)
yield return(fNext);
object[] callTuple = serializer.Deserialize <object[]>(fNext.Result.DecodeAsciiZ());
string scriptName = callTuple[0] as string;
string methodName = callTuple[1] as string;
object[] rawArguments = callTuple[2] as object[];
long? resultId = null;
if (callTuple.Length >= 4)
{
resultId = Convert.ToInt64(callTuple[3]);
}
object[] functionArguments;
if (rawArguments == null)
{
functionArguments = new object[] { process };
}
else
{
functionArguments = new object[rawArguments.Length + 1];
functionArguments[0] = process;
for (int i = 0; i < rawArguments.Length; i++)
{
functionArguments[i + 1] = rawArguments[i];
}
}
ScriptName sn;
if (!Program.PythonModuleToScript.TryGetValue(scriptName, out sn))
{
sn = new ScriptName(scriptName);
}
IManagedScript instance = Program.GetScriptInstance(sn);
if (instance == null)
{
LogPrint(process,
"Remote call attempted on script '{0}' that isn't loaded.", scriptName
);
continue;
}
IEnumerator <object> resultTask = null;
object result = null;
Exception error = null;
try {
result = instance.GetType().InvokeMember(
methodName, BindingFlags.Instance | BindingFlags.InvokeMethod | BindingFlags.Public, null, instance, functionArguments
);
} catch (Exception ex) {
error = ex;
}
if (error != null)
{
if (resultId.HasValue)
{
yield return(SendRemoteCallResult(process, resultId.Value, null, error));
}
else
{
Program.Scheduler.OnTaskError(error);
}
}
else
{
resultTask = result as IEnumerator <object>;
if (resultTask != null)
{
var fResult = Program.Scheduler.Start(
resultTask, TaskExecutionPolicy.RunWhileFutureLives
);
process.OwnedFutures.Add(fResult);
if (resultId.HasValue)
{
fResult.RegisterOnComplete((_) => {
object r;
Exception e;
_.GetResult(out r, out e);
Program.Scheduler.Start(SendRemoteCallResult(process, resultId.Value, r, e));
});
}
}
else
{
if (resultId.HasValue)
{
yield return(SendRemoteCallResult(process, resultId.Value, result, null));
}
}
}
}
}
