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Diffstat (limited to 'include/dbus-python.h')
-rw-r--r-- | include/dbus-python.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/include/dbus-python.h b/include/dbus-python.h new file mode 100644 index 0000000..509c89f --- /dev/null +++ b/include/dbus-python.h @@ -0,0 +1,101 @@ +/* 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 |