X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=bindings%2Fpython%2Fbt2%2Fbt2%2Fnative_bt_trace.i;fp=bindings%2Fpython%2Fbt2%2Fbt2%2Fnative_bt_trace.i;h=2d8f538bf744b4d8fbb41e2e4851540afe2c3555;hb=6945df9aca57fa5eb3291db13a2fc104939f6a8f;hp=0000000000000000000000000000000000000000;hpb=211796dcc2bda980a97fa5c9606942a6a2bd899c;p=babeltrace.git diff --git a/bindings/python/bt2/bt2/native_bt_trace.i b/bindings/python/bt2/bt2/native_bt_trace.i new file mode 100644 index 00000000..2d8f538b --- /dev/null +++ b/bindings/python/bt2/bt2/native_bt_trace.i @@ -0,0 +1,122 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2016 Philippe Proulx + * + * 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. + */ + +/* From trace-const.h */ + +typedef enum bt_trace_status { + BT_TRACE_STATUS_OK = 0, + BT_TRACE_STATUS_NOMEM = -12, +} bt_trace_status; + +typedef void (* bt_trace_destruction_listener_func)( + const bt_trace *trace, void *data); + +extern const bt_trace_class *bt_trace_borrow_class_const( + const bt_trace *trace); + +extern const char *bt_trace_get_name(const bt_trace *trace); + +extern uint64_t bt_trace_get_stream_count(const bt_trace *trace); + +extern const bt_stream *bt_trace_borrow_stream_by_index_const( + const bt_trace *trace, uint64_t index); + +extern const bt_stream *bt_trace_borrow_stream_by_id_const( + const bt_trace *trace, uint64_t id); + +extern bt_trace_status bt_trace_add_destruction_listener( + const bt_trace *trace, + bt_trace_destruction_listener_func listener, + void *data, uint64_t *listener_id); + +extern bt_trace_status bt_trace_remove_destruction_listener( + const bt_trace *trace, uint64_t listener_id); + +extern void bt_trace_get_ref(const bt_trace *trace); + +extern void bt_trace_put_ref(const bt_trace *trace); + +/* From trace.h */ + +extern bt_trace_class *bt_trace_borrow_class(bt_trace *trace); + +extern bt_trace *bt_trace_create(bt_trace_class *trace_class); + +extern bt_trace_status bt_trace_set_name(bt_trace *trace, + const char *name); + +extern bt_stream *bt_trace_borrow_stream_by_index(bt_trace *trace, + uint64_t index); + +extern bt_stream *bt_trace_borrow_stream_by_id(bt_trace *trace, + uint64_t id); + +%{ +static void +trace_destroyed_listener(const bt_trace *trace, void *py_callable) +{ + PyObject *py_trace_ptr = NULL; + PyObject *py_res = NULL; + + py_trace_ptr = SWIG_NewPointerObj(SWIG_as_voidptr(trace), + SWIGTYPE_p_bt_trace, 0); + if (!py_trace_ptr) { + BT_LOGF_STR("Failed to create a SWIG pointer object."); + abort(); + } + + py_res = PyObject_CallFunction(py_callable, "(O)", py_trace_ptr); + if (py_res != NULL) { + BT_ASSERT(py_res == Py_None); + } else { + bt2_py_loge_exception(); + } + + Py_DECREF(py_trace_ptr); + Py_XDECREF(py_res); +} + +uint64_t bt_py3_trace_add_destruction_listener(bt_trace *trace, PyObject *py_callable) +{ + uint64_t id = UINT64_C(-1); + bt_trace_status status; + + BT_ASSERT(trace); + BT_ASSERT(py_callable); + + status = bt_trace_add_destruction_listener( + trace, trace_destroyed_listener, py_callable, &id); + if (status != BT_TRACE_STATUS_OK) { + BT_LOGF_STR("Failed to add trace destruction listener."); + abort(); + } + + Py_INCREF(py_callable); + + return id; +} +%} + +uint64_t bt_py3_trace_add_destruction_listener(bt_trace *trace, + PyObject *py_callable);