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/* C API for _dbus_bindings, used by _dbus_glib_bindings and any third-party
* main loop integration which might happen in future.
*
* This file is currently Python-version-independent - please keep it that way.
*
* Copyright (C) 2006 Collabora Ltd. <http://www.collabora.co.uk/>
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef DBUS_PYTHON_H
#define DBUS_PYTHON_H
#include <Python.h>
#include <dbus/dbus.h>
DBUS_BEGIN_DECLS
typedef void (*_dbus_py_func_ptr)(void);
typedef dbus_bool_t (*_dbus_py_conn_setup_func)(DBusConnection *, void *);
typedef dbus_bool_t (*_dbus_py_srv_setup_func)(DBusServer *, void *);
typedef void (*_dbus_py_free_func)(void *);
#define DBUS_BINDINGS_API_COUNT 3
#ifdef INSIDE_DBUS_PYTHON_BINDINGS
extern DBusConnection *DBusPyConnection_BorrowDBusConnection(PyObject *);
extern PyObject *DBusPyNativeMainLoop_New4(_dbus_py_conn_setup_func,
_dbus_py_srv_setup_func,
_dbus_py_free_func,
void *);
#else
static PyObject *_dbus_bindings_module = NULL;
static _dbus_py_func_ptr *dbus_bindings_API;
#define DBusPyConnection_BorrowDBusConnection \
(*(DBusConnection *(*)(PyObject *))dbus_bindings_API[1])
#define DBusPyNativeMainLoop_New4 \
((PyObject *(*)(_dbus_py_conn_setup_func, _dbus_py_srv_setup_func, \
_dbus_py_free_func, void *))dbus_bindings_API[2])
static int
import_dbus_bindings(const char *this_module_name)
{
PyObject *c_api;
int count;
_dbus_bindings_module = PyImport_ImportModule("_dbus_bindings");
if (!_dbus_bindings_module) {
return -1;
}
c_api = PyObject_GetAttrString(_dbus_bindings_module, "_C_API");
if (c_api == NULL) return -1;
if (PyCObject_Check(c_api)) {
dbus_bindings_API = (_dbus_py_func_ptr *)PyCObject_AsVoidPtr(c_api);
}
else {
Py_DECREF(c_api);
PyErr_SetString(PyExc_RuntimeError, "C API is not a PyCObject");
return -1;
}
Py_DECREF (c_api);
count = *(int *)dbus_bindings_API[0];
if (count < DBUS_BINDINGS_API_COUNT) {
PyErr_Format(PyExc_RuntimeError,
"_dbus_bindings has API version %d but %s needs "
"_dbus_bindings API version at least %d",
count, this_module_name,
DBUS_BINDINGS_API_COUNT);
return -1;
}
return 0;
}
#endif
DBUS_END_DECLS
#endif
