src/bindings/python/bt2/bt2/native_bt_graph.i

   1 /*
   2  * SPDX-License-Identifier: MIT
   3  *
   4  * Copyright (c) 2017 Philippe Proulx <pproulx@efficios.com>
   5  */
   6
   7 /* Output argument typemap for connection output (always appends) */
   8 %typemap(in, numinputs=0)
   9         (const bt_connection **)
  10         (bt_connection *temp_conn = NULL) {
  11         $1 = &temp_conn;
  12 }
  13
  14 %typemap(argout)
  15         (const bt_connection **) {
  16         if (*$1) {
  17                 /* SWIG_Python_AppendOutput() steals the created object */
  18                 $result = SWIG_Python_AppendOutput($result,
  19                                 SWIG_NewPointerObj(SWIG_as_voidptr(*$1),
  20                                         SWIGTYPE_p_bt_connection, 0));
  21         } else {
  22                 /* SWIG_Python_AppendOutput() steals Py_None */
  23                 Py_INCREF(Py_None);
  24                 $result = SWIG_Python_AppendOutput($result, Py_None);
  25         }
  26 }
  27
  28 /* Output argument typemap for component output (always appends) */
  29 %typemap(in, numinputs=0)
  30         (const bt_component_source **)
  31         (bt_component_source *temp_comp = NULL) {
  32         $1 = &temp_comp;
  33 }
  34
  35 %typemap(in, numinputs=0)
  36         (const bt_component_filter **)
  37         (bt_component_filter *temp_comp = NULL) {
  38         $1 = &temp_comp;
  39 }
  40
  41 %typemap(in, numinputs=0)
  42         (const bt_component_sink **)
  43         (bt_component_sink *temp_comp = NULL) {
  44         $1 = &temp_comp;
  45 }
  46
  47 %typemap(argout) (const bt_component_source **) {
  48         if (*$1) {
  49                 /* SWIG_Python_AppendOutput() steals the created object */
  50                 $result = SWIG_Python_AppendOutput($result,
  51                                 SWIG_NewPointerObj(SWIG_as_voidptr(*$1),
  52                                         SWIGTYPE_p_bt_component_source, 0));
  53         } else {
  54                 /* SWIG_Python_AppendOutput() steals Py_None */
  55                 Py_INCREF(Py_None);
  56                 $result = SWIG_Python_AppendOutput($result, Py_None);
  57         }
  58 }
  59
  60 %typemap(argout) (const bt_component_filter **) {
  61         if (*$1) {
  62                 /* SWIG_Python_AppendOutput() steals the created object */
  63                 $result = SWIG_Python_AppendOutput($result,
  64                                 SWIG_NewPointerObj(SWIG_as_voidptr(*$1),
  65                                         SWIGTYPE_p_bt_component_filter, 0));
  66         } else {
  67                 /* SWIG_Python_AppendOutput() steals Py_None */
  68                 Py_INCREF(Py_None);
  69                 $result = SWIG_Python_AppendOutput($result, Py_None);
  70         }
  71 }
  72
  73 %typemap(argout) (const bt_component_sink **) {
  74         if (*$1) {
  75                 /* SWIG_Python_AppendOutput() steals the created object */
  76                 $result = SWIG_Python_AppendOutput($result,
  77                                 SWIG_NewPointerObj(SWIG_as_voidptr(*$1),
  78                                         SWIGTYPE_p_bt_component_sink, 0));
  79         } else {
  80                 /* SWIG_Python_AppendOutput() steals Py_None */
  81                 Py_INCREF(Py_None);
  82                 $result = SWIG_Python_AppendOutput($result, Py_None);
  83         }
  84 }
  85
  86 %include <babeltrace2/graph/graph.h>
  87
  88 /* Helper functions for Python */
  89
  90 %{
  91 #include "native_bt_graph.i.h"
  92 %}
  93
  94 PyObject *bt_bt2_graph_add_port_added_listener(struct bt_graph *graph,
  95                 PyObject *py_callable);
  96
  97 bt_graph_add_component_status
  98 bt_bt2_graph_add_source_component(
  99                 bt_graph *graph,
 100                 const bt_component_class_source *component_class,
 101                 const char *name, const bt_value *params,
 102                 PyObject *obj, bt_logging_level log_level,
 103                 const bt_component_source **component);
 104
 105 bt_graph_add_component_status
 106 bt_bt2_graph_add_filter_component(
 107                 bt_graph *graph,
 108                 const bt_component_class_filter *component_class,
 109                 const char *name, const bt_value *params,
 110                 PyObject *obj, bt_logging_level log_level,
 111                 const bt_component_filter **component);
 112
 113 bt_graph_add_component_status
 114 bt_bt2_graph_add_sink_component(
 115                 bt_graph *graph,
 116                 const bt_component_class_sink *component_class,
 117                 const char *name, const bt_value *params,
 118                 PyObject *obj, bt_logging_level log_level,
 119                 const bt_component_sink **component);