bindings/python/bt2/bt2/native_bt_component.i

   1 /*
   2  * The MIT License (MIT)
   3  *
   4  * Copyright (c) 2017 Philippe Proulx <pproulx@efficios.com>
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  19  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23  */
  24
  25 /* Output argument typemap for self port output (always appends) */
  26 %typemap(in, numinputs=0)
  27         (bt_self_component_port_input **OUT)
  28         (bt_self_component_port_input *temp_self_port = NULL) {
  29         $1 = &temp_self_port;
  30 }
  31
  32 %typemap(argout) bt_self_component_port_input **OUT {
  33         if (*$1) {
  34                 /* SWIG_Python_AppendOutput() steals the created object */
  35                 $result = SWIG_Python_AppendOutput($result,
  36                                 SWIG_NewPointerObj(SWIG_as_voidptr(*$1),
  37                                         SWIGTYPE_p_bt_self_component_port_input, 0));
  38         } else {
  39                 /* SWIG_Python_AppendOutput() steals Py_None */
  40                 Py_INCREF(Py_None);
  41                 $result = SWIG_Python_AppendOutput($result, Py_None);
  42         }
  43 }
  44
  45 /* Output argument typemap for self port output (always appends) */
  46 %typemap(in, numinputs=0)
  47         (bt_self_component_port_output **OUT)
  48         (bt_self_component_port_output *temp_self_port = NULL) {
  49         $1 = &temp_self_port;
  50 }
  51
  52 %typemap(argout) (bt_self_component_port_output **OUT) {
  53         if (*$1) {
  54                 /* SWIG_Python_AppendOutput() steals the created object */
  55                 $result = SWIG_Python_AppendOutput($result,
  56                                 SWIG_NewPointerObj(SWIG_as_voidptr(*$1),
  57                                         SWIGTYPE_p_bt_self_component_port_output, 0));
  58         } else {
  59                 /* SWIG_Python_AppendOutput() steals Py_None */
  60                 Py_INCREF(Py_None);
  61                 $result = SWIG_Python_AppendOutput($result, Py_None);
  62         }
  63 }
  64
  65 /* Typemaps used for user data attached to self component ports. */
  66
  67 /*
  68  * The user data Python object is kept as the user data of the port, we pass
  69  * the PyObject pointer directly to the port creation function.
  70  */
  71 %typemap(in) void *PY_SELF_PORT_USER_DATA {
  72         $1 = $input;
  73 }
  74
  75 /*
  76  * The port, if created successfully, now owns a reference to the Python object,
  77  * we reflect that here.
  78  */
  79 %typemap(argout) void *PY_SELF_PORT_USER_DATA {
  80         if (PyLong_AsLong($result) == BT_SELF_COMPONENT_STATUS_OK) {
  81                 Py_INCREF($1);
  82         }
  83 }
  84
  85 /* From component-const.h */
  86
  87 extern const char *bt_component_get_name(const bt_component *component);
  88
  89 extern const bt_component_class *bt_component_borrow_class_const(
  90                 const bt_component *component);
  91
  92 extern bt_component_class_type bt_component_get_class_type(
  93                 const bt_component *component);
  94
  95 bt_bool bt_component_is_source(const bt_component *component);
  96
  97 bt_bool bt_component_is_filter(const bt_component *component);
  98
  99 bt_bool bt_component_is_sink(const bt_component *component);
 100
 101 extern bt_bool bt_component_graph_is_canceled(
 102                 const bt_component *component);
 103
 104 extern void bt_component_get_ref(const bt_component *component);
 105
 106 extern void bt_component_put_ref(const bt_component *component);
 107
 108 /* From component-source-const.h */
 109
 110 const bt_component *bt_component_source_as_component_const(
 111                 const bt_component_source *component);
 112
 113 extern const bt_component_class_source *
 114 bt_component_source_borrow_class_const(
 115                 const bt_component_source *component);
 116
 117 extern uint64_t bt_component_source_get_output_port_count(
 118                 const bt_component_source *component);
 119
 120 extern const bt_port_output *
 121 bt_component_source_borrow_output_port_by_name_const(
 122                 const bt_component_source *component, const char *name);
 123
 124 extern const bt_port_output *
 125 bt_component_source_borrow_output_port_by_index_const(
 126                 const bt_component_source *component, uint64_t index);
 127
 128 extern void bt_component_source_get_ref(
 129                 const bt_component_source *component_source);
 130
 131 extern void bt_component_source_put_ref(
 132                 const bt_component_source *component_source);
 133
 134 /* From component-filter-const.h */
 135
 136 const bt_component *bt_component_filter_as_component_const(
 137                 const bt_component_filter *component);
 138
 139 extern const bt_component_class_filter *
 140 bt_component_filter_borrow_class_const(
 141                 const bt_component_filter *component);
 142
 143 extern uint64_t bt_component_filter_get_input_port_count(
 144                 const bt_component_filter *component);
 145
 146 extern const bt_port_input *
 147 bt_component_filter_borrow_input_port_by_name_const(
 148                 const bt_component_filter *component, const char *name);
 149
 150 extern const bt_port_input *
 151 bt_component_filter_borrow_input_port_by_index_const(
 152                 const bt_component_filter *component, uint64_t index);
 153
 154 extern uint64_t bt_component_filter_get_output_port_count(
 155                 const bt_component_filter *component);
 156
 157 extern const bt_port_output *
 158 bt_component_filter_borrow_output_port_by_name_const(
 159                 const bt_component_filter *component, const char *name);
 160
 161 extern const bt_port_output *
 162 bt_component_filter_borrow_output_port_by_index_const(
 163                 const bt_component_filter *component, uint64_t index);
 164
 165 extern void bt_component_filter_get_ref(
 166                 const bt_component_filter *component_filter);
 167
 168 extern void bt_component_filter_put_ref(
 169                 const bt_component_filter *component_filter);
 170
 171 /* From component-sink-const.h */
 172
 173 const bt_component *bt_component_sink_as_component_const(
 174                 const bt_component_sink *component);
 175
 176 extern const bt_component_class_sink *
 177 bt_component_sink_borrow_class_const(
 178                 const bt_component_sink *component);
 179
 180 extern uint64_t bt_component_sink_get_input_port_count(
 181                 const bt_component_sink *component);
 182
 183 extern const bt_port_input *
 184 bt_component_sink_borrow_input_port_by_name_const(
 185                 const bt_component_sink *component, const char *name);
 186
 187 extern const bt_port_input *
 188 bt_component_sink_borrow_input_port_by_index_const(
 189                 const bt_component_sink *component, uint64_t index);
 190
 191 extern void bt_component_sink_get_ref(
 192                 const bt_component_sink *component_sink);
 193
 194 extern void bt_component_sink_put_ref(
 195                 const bt_component_sink *component_sink);
 196
 197 /* From self-component.h */
 198
 199 typedef enum bt_self_component_status {
 200         BT_SELF_COMPONENT_STATUS_OK = 0,
 201         BT_SELF_COMPONENT_STATUS_END = 1,
 202         BT_SELF_COMPONENT_STATUS_AGAIN = 11,
 203         BT_SELF_COMPONENT_STATUS_REFUSE_PORT_CONNECTION = 111,
 204         BT_SELF_COMPONENT_STATUS_ERROR = -1,
 205         BT_SELF_COMPONENT_STATUS_NOMEM = -12,
 206 } bt_self_component_status;
 207
 208 const bt_component *bt_self_component_as_component(
 209                 bt_self_component *self_component);
 210
 211 extern void *bt_self_component_get_data(
 212                 const bt_self_component *self_component);
 213
 214 extern void bt_self_component_set_data(
 215                 bt_self_component *self_component, void *data);
 216
 217 /* From self-component-source.h */
 218
 219 bt_self_component *bt_self_component_source_as_self_component(
 220                 bt_self_component_source *self_comp_source);
 221
 222 const bt_component_source *
 223 bt_self_component_source_as_component_source(
 224                 bt_self_component_source *self_comp_source);
 225
 226 extern bt_self_component_port_output *
 227 bt_self_component_source_borrow_output_port_by_name(
 228                 bt_self_component_source *self_component,
 229                 const char *name);
 230
 231 extern bt_self_component_port_output *
 232 bt_self_component_source_borrow_output_port_by_index(
 233                 bt_self_component_source *self_component,
 234                 uint64_t index);
 235
 236 extern bt_self_component_status
 237 bt_self_component_source_add_output_port(
 238                 bt_self_component_source *self_component,
 239                 const char *name, void *PY_SELF_PORT_USER_DATA,
 240                 bt_self_component_port_output **OUT);
 241
 242 /* From self-component-filter.h */
 243
 244 bt_self_component *bt_self_component_filter_as_self_component(
 245                 bt_self_component_filter *self_comp_filter);
 246
 247 const bt_component_filter *
 248 bt_self_component_filter_as_component_filter(
 249                 bt_self_component_filter *self_comp_filter);
 250
 251 extern bt_self_component_port_output *
 252 bt_self_component_filter_borrow_output_port_by_name(
 253                 bt_self_component_filter *self_component,
 254                 const char *name);
 255
 256 extern bt_self_component_port_output *
 257 bt_self_component_filter_borrow_output_port_by_index(
 258                 bt_self_component_filter *self_component,
 259                 uint64_t index);
 260
 261 extern bt_self_component_status
 262 bt_self_component_filter_add_output_port(
 263                 bt_self_component_filter *self_component,
 264                 const char *name, void *PY_SELF_PORT_USER_DATA,
 265                 bt_self_component_port_output **OUT);
 266
 267 extern bt_self_component_port_input *
 268 bt_self_component_filter_borrow_input_port_by_name(
 269                 bt_self_component_filter *self_component,
 270                 const char *name);
 271
 272 extern bt_self_component_port_input *
 273 bt_self_component_filter_borrow_input_port_by_index(
 274                 bt_self_component_filter *self_component,
 275                 uint64_t index);
 276
 277 extern bt_self_component_status
 278 bt_self_component_filter_add_input_port(
 279                 bt_self_component_filter *self_component,
 280                 const char *name, void *PY_SELF_PORT_USER_DATA,
 281                 bt_self_component_port_input **OUT);
 282
 283 /* From self-component-sink.h */
 284
 285 bt_self_component *bt_self_component_sink_as_self_component(
 286                 bt_self_component_sink *self_comp_sink);
 287
 288 const bt_component_sink *
 289 bt_self_component_sink_as_component_sink(
 290                 bt_self_component_sink *self_comp_sink);
 291
 292 extern bt_self_component_port_input *
 293 bt_self_component_sink_borrow_input_port_by_name(
 294                 bt_self_component_sink *self_component,
 295                 const char *name);
 296
 297 extern bt_self_component_port_input *
 298 bt_self_component_sink_borrow_input_port_by_index(
 299                 bt_self_component_sink *self_component, uint64_t index);
 300
 301 extern bt_self_component_status
 302 bt_self_component_sink_add_input_port(
 303                 bt_self_component_sink *self_component,
 304                 const char *name, void *PY_SELF_PORT_USER_DATA,
 305                 bt_self_component_port_input **OUT);