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// **********************************************************************
//
// Copyright (c) 2003-2015 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
#ifdef _WIN32
# include <IceUtil/Config.h>
#endif
#include <IceUtil/DisableWarnings.h>
#include <PropertiesAdmin.h>
#include <Util.h>
#include <Thread.h>
#include <Types.h>
using namespace std;
using namespace IcePy;
namespace IcePy
{
class UpdateCallbackWrapper : public Ice::PropertiesAdminUpdateCallback
{
public:
UpdateCallbackWrapper(PyObject*);
~UpdateCallbackWrapper();
PyObject* getObject() const;
void updated(const Ice::PropertyDict&);
private:
PyObject* _callback;
};
typedef IceUtil::Handle<UpdateCallbackWrapper> UpdateCallbackWrapperPtr;
struct NativePropertiesAdminObject
{
PyObject_HEAD
Ice::NativePropertiesAdminPtr* admin;
vector<UpdateCallbackWrapperPtr>* callbacks;
};
}
IcePy::UpdateCallbackWrapper::UpdateCallbackWrapper(PyObject* callback) : _callback(callback)
{
Py_INCREF(_callback);
}
IcePy::UpdateCallbackWrapper::~UpdateCallbackWrapper()
{
AdoptThread adoptThread; // Ensure the current thread is able to call into Python.
Py_DECREF(_callback);
}
PyObject*
IcePy::UpdateCallbackWrapper::getObject() const
{
return _callback;
}
void
IcePy::UpdateCallbackWrapper::updated(const Ice::PropertyDict& dict)
{
AdoptThread adoptThread; // Ensure the current thread is able to call into Python.
PyObjectHandle result = PyDict_New();
if(result.get())
{
for(Ice::PropertyDict::const_iterator p = dict.begin(); p != dict.end(); ++p)
{
PyObjectHandle key = createString(p->first);
PyObjectHandle val = createString(p->second);
if(!val.get() || PyDict_SetItem(result.get(), key.get(), val.get()) < 0)
{
return;
}
}
}
PyObjectHandle obj = PyObject_CallMethod(_callback, STRCAST("updated"), STRCAST("O"), result.get());
if(!obj.get())
{
assert(PyErr_Occurred());
throw AbortMarshaling();
}
}
#ifdef WIN32
extern "C"
#endif
static NativePropertiesAdminObject*
nativePropertiesAdminNew(PyTypeObject* /*type*/, PyObject* /*args*/, PyObject* /*kwds*/)
{
PyErr_Format(PyExc_RuntimeError, STRCAST("This object cannot be created directly"));
return 0;
}
#ifdef WIN32
extern "C"
#endif
static void
nativePropertiesAdminDealloc(NativePropertiesAdminObject* self)
{
delete self->admin;
delete self->callbacks;
Py_TYPE(self)->tp_free(reinterpret_cast<PyObject*>(self));
}
#ifdef WIN32
extern "C"
#endif
static PyObject*
nativePropertiesAdminAddUpdateCB(NativePropertiesAdminObject* self, PyObject* args)
{
PyObject* callbackType = lookupType("Ice.PropertiesAdminUpdateCallback");
PyObject* callback;
if(!PyArg_ParseTuple(args, STRCAST("O!"), callbackType, &callback))
{
return 0;
}
(*self->callbacks).push_back(new UpdateCallbackWrapper(callback));
(*self->admin)->addUpdateCallback((*self->callbacks).back());
Py_INCREF(Py_None);
return Py_None;
}
#ifdef WIN32
extern "C"
#endif
static PyObject*
nativePropertiesAdminRemoveUpdateCB(NativePropertiesAdminObject* self, PyObject* args)
{
PyObject* callbackType = lookupType("Ice.PropertiesAdminUpdateCallback");
PyObject* callback;
if(!PyArg_ParseTuple(args, STRCAST("O!"), callbackType, &callback))
{
return 0;
}
for(vector<UpdateCallbackWrapperPtr>::const_iterator p = (*self->callbacks).begin(); p != (*self->callbacks).end();
++p)
{
if((*p)->getObject() == callback)
{
(*self->admin)->removeUpdateCallback(*p);
break;
}
}
Py_INCREF(Py_None);
return Py_None;
}
static PyMethodDef NativePropertiesAdminMethods[] =
{
{ STRCAST("addUpdateCallback"), reinterpret_cast<PyCFunction>(nativePropertiesAdminAddUpdateCB), METH_VARARGS,
PyDoc_STR(STRCAST("addUpdateCallback(callback) -> None")) },
{ STRCAST("removeUpdateCallback"), reinterpret_cast<PyCFunction>(nativePropertiesAdminRemoveUpdateCB), METH_VARARGS,
PyDoc_STR(STRCAST("removeUpdateCallback(callback) -> None")) },
{ 0, 0 } /* sentinel */
};
namespace IcePy
{
PyTypeObject NativePropertiesAdminType =
{
/* The ob_type field must be initialized in the module init function
* to be portable to Windows without using C++. */
PyVarObject_HEAD_INIT(0, 0)
STRCAST("IcePy.NativePropertiesAdmin"), /* tp_name */
sizeof(NativePropertiesAdminObject), /* tp_basicsize */
0, /* tp_itemsize */
/* methods */
reinterpret_cast<destructor>(nativePropertiesAdminDealloc), /* tp_dealloc */
0, /* tp_print */
0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_reserved */
0, /* tp_repr */
0, /* tp_as_number */
0, /* tp_as_sequence */
0, /* tp_as_mapping */
0, /* tp_hash */
0, /* tp_call */
0, /* tp_str */
0, /* tp_getattro */
0, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT, /* tp_flags */
0, /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
0, /* tp_iter */
0, /* tp_iternext */
NativePropertiesAdminMethods, /* tp_methods */
0, /* tp_members */
0, /* tp_getset */
0, /* tp_base */
0, /* tp_dict */
0, /* tp_descr_get */
0, /* tp_descr_set */
0, /* tp_dictoffset */
0, /* tp_init */
0, /* tp_alloc */
reinterpret_cast<newfunc>(nativePropertiesAdminNew), /* tp_new */
0, /* tp_free */
0, /* tp_is_gc */
};
}
bool
IcePy::initPropertiesAdmin(PyObject* module)
{
if(PyType_Ready(&NativePropertiesAdminType) < 0)
{
return false;
}
PyTypeObject* type = &NativePropertiesAdminType; // Necessary to prevent GCC's strict-alias warnings.
if(PyModule_AddObject(module, STRCAST("NativePropertiesAdmin"), reinterpret_cast<PyObject*>(type)) < 0)
{
return false;
}
return true;
}
PyObject*
IcePy::createNativePropertiesAdmin(const Ice::NativePropertiesAdminPtr& admin)
{
PyTypeObject* type = &NativePropertiesAdminType;
NativePropertiesAdminObject* p = reinterpret_cast<NativePropertiesAdminObject*>(type->tp_alloc(type, 0));
if(!p)
{
return 0;
}
p->admin = new Ice::NativePropertiesAdminPtr(admin);
p->callbacks = new vector<UpdateCallbackWrapperPtr>();
return (PyObject*)p;
}
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