#include "ns3module.h"

namespace ns3{

void PythonCompleteConstruct (Ptr<Object> object, TypeId typeId, const AttributeList &attributes)

{

  object->SetTypeId (typeId);

  object->Object::Construct (attributes);

}

}

class PythonEventImpl : public ns3::EventImpl

{

private:

    PyObject *m_callback;

    PyObject *m_args;

public:

    PythonEventImpl (PyObject *callback, PyObject *args)

    {

        m_callback = callback;

        Py_INCREF(m_callback);

        m_args = args;

        Py_INCREF(m_args);

    }

    virtual ~PythonEventImpl ()

    {

        PyGILState_STATE __py_gil_state;

        __py_gil_state = (PyEval_ThreadsInitialized() ? PyGILState_Ensure() : (PyGILState_STATE) 0);

        Py_DECREF(m_callback);

        Py_DECREF(m_args);

        if (PyEval_ThreadsInitialized())

            PyGILState_Release(__py_gil_state);

    }

    virtual void Notify ()

    {

        PyGILState_STATE __py_gil_state;

        __py_gil_state = (PyEval_ThreadsInitialized() ? PyGILState_Ensure() : (PyGILState_STATE) 0);

        PyObject *retval = PyObject_CallObject(m_callback, m_args);

        if (retval) {

            if (retval != Py_None) {

                PyErr_SetString(PyExc_TypeError, "event callback should return None");

                PyErr_Print();

            }

            Py_DECREF(retval);

        } else {

             PyErr_Print();

        }

        if (PyEval_ThreadsInitialized())

            PyGILState_Release(__py_gil_state);

    }

};

PyObject *

_wrap_Simulator_Schedule(PyNs3Simulator *PYBINDGEN_UNUSED(dummy), PyObject *args, PyObject *kwargs,

                         PyObject **return_exception)

{

    PyObject *exc_type, *traceback;

    PyObject *py_time;

    PyObject *py_callback;

    PyObject *user_args;

    ns3::Ptr<PythonEventImpl> py_event_impl;

    PyNs3EventId *py_EventId;

    if (kwargs && PyObject_Length(kwargs) > 0) {

        PyErr_SetString(PyExc_TypeError, "keyword arguments not supported");

        goto error;

    }

    if (PyTuple_GET_SIZE(args) < 2) {

        PyErr_SetString(PyExc_TypeError, "ns3.Simulator.Schedule needs at least 2 arguments");

        goto error;

    }

    py_time = PyTuple_GET_ITEM(args, 0);

    py_callback = PyTuple_GET_ITEM(args, 1);

    if (!PyObject_IsInstance(py_time, (PyObject*) &PyNs3Time_Type)) {

        PyErr_SetString(PyExc_TypeError, "Parameter 1 should be a ns3.Time instance");

        goto error;

    }

    if (!PyCallable_Check(py_callback)) {

        PyErr_SetString(PyExc_TypeError, "Parameter 2 should be callable");

        goto error;

    }

    user_args = PyTuple_GetSlice(args, 2, PyTuple_GET_SIZE(args));

    py_event_impl = ns3::Create<PythonEventImpl>(py_callback, user_args);

    Py_DECREF(user_args);

    py_EventId = PyObject_New(PyNs3EventId, &PyNs3EventId_Type);

    py_EventId->obj = new ns3::EventId(

       ns3::Simulator::Schedule(*((PyNs3Time *) py_time)->obj, py_event_impl));

    return (PyObject *) py_EventId;

error:

    PyErr_Fetch(&exc_type, return_exception, &traceback);

    Py_XDECREF(exc_type);

    Py_XDECREF(traceback);

    return NULL;

}

PyObject *

_wrap_Simulator_ScheduleNow(PyNs3Simulator *PYBINDGEN_UNUSED(dummy), PyObject *args, PyObject *kwargs,

                            PyObject **return_exception)

{

    PyObject *exc_type, *traceback;

    PyObject *py_callback;

    PyObject *user_args;

    ns3::Ptr<PythonEventImpl> py_event_impl;

    PyNs3EventId *py_EventId;

    if (kwargs && PyObject_Length(kwargs) > 0) {

        PyErr_SetString(PyExc_TypeError, "keyword arguments not supported");

        goto error;

    }

    if (PyTuple_GET_SIZE(args) < 1) {

        PyErr_SetString(PyExc_TypeError, "ns3.Simulator.Schedule needs at least 1 argument");

        goto error;

    }

    py_callback = PyTuple_GET_ITEM(args, 0);

    if (!PyCallable_Check(py_callback)) {

        PyErr_SetString(PyExc_TypeError, "Parameter 2 should be callable");

        goto error;

    }

    user_args = PyTuple_GetSlice(args, 1, PyTuple_GET_SIZE(args));

    py_event_impl = ns3::Create<PythonEventImpl>(py_callback, user_args);

    Py_DECREF(user_args);

    py_EventId = PyObject_New(PyNs3EventId, &PyNs3EventId_Type);

    py_EventId->obj = new ns3::EventId(ns3::Simulator::ScheduleNow(py_event_impl));

    return (PyObject *) py_EventId;

error:

    PyErr_Fetch(&exc_type, return_exception, &traceback);

    Py_XDECREF(exc_type);

    Py_XDECREF(traceback);

    return NULL;

}

PyObject *

_wrap_Simulator_ScheduleDestroy(PyNs3Simulator *PYBINDGEN_UNUSED(dummy), PyObject *args, PyObject *kwargs,

                                PyObject **return_exception)

{

    PyObject *exc_type, *traceback;

    PyObject *py_callback;

    PyObject *user_args;

    ns3::Ptr<PythonEventImpl> py_event_impl;

    PyNs3EventId *py_EventId;

    if (kwargs && PyObject_Length(kwargs) > 0) {

        PyErr_SetString(PyExc_TypeError, "keyword arguments not supported");

        goto error;

    }

    if (PyTuple_GET_SIZE(args) < 1) {

        PyErr_SetString(PyExc_TypeError, "ns3.Simulator.Schedule needs at least 1 argument");

        goto error;

    }

    py_callback = PyTuple_GET_ITEM(args, 0);

    if (!PyCallable_Check(py_callback)) {

        PyErr_SetString(PyExc_TypeError, "Parameter 2 should be callable");

        goto error;

    }

    user_args = PyTuple_GetSlice(args, 1, PyTuple_GET_SIZE(args));

    py_event_impl = ns3::Create<PythonEventImpl>(py_callback, user_args);

    Py_DECREF(user_args);

    py_EventId = PyObject_New(PyNs3EventId, &PyNs3EventId_Type);

    py_EventId->obj = new ns3::EventId(ns3::Simulator::ScheduleDestroy(py_event_impl));

    return (PyObject *) py_EventId;

error:

    PyErr_Fetch(&exc_type, return_exception, &traceback);

    Py_XDECREF(exc_type);

    Py_XDECREF(traceback);

    return NULL;

}