include/babeltrace/plugin/plugin-dev.h

   1 #ifndef BABELTRACE_PLUGIN_PLUGIN_DEV_H
   2 #define BABELTRACE_PLUGIN_PLUGIN_DEV_H
   3
   4 /*
   5  * This is the header that you need to include for the development of
   6  * a Babeltrace plug-in.
   7  *
   8  * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
   9  * Copyright 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com>
  10  *
  11  * Permission is hereby granted, free of charge, to any person obtaining a copy
  12  * of this software and associated documentation files (the "Software"), to deal
  13  * in the Software without restriction, including without limitation the rights
  14  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  15  * copies of the Software, and to permit persons to whom the Software is
  16  * furnished to do so, subject to the following conditions:
  17  *
  18  * The above copyright notice and this permission notice shall be included in
  19  * all copies or substantial portions of the Software.
  20  *
  21  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  22  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  23  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  24  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  25  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  26  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  27  * SOFTWARE.
  28  */
  29
  30 #include <stdint.h>
  31
  32 /* For enum bt_plugin_status */
  33 #include <babeltrace/plugin/plugin-const.h>
  34
  35 /* For bt_component_class_type */
  36 #include <babeltrace/graph/component-class-const.h>
  37
  38 /* For component class method type definitions */
  39 #include <babeltrace/graph/component-class-source.h>
  40 #include <babeltrace/graph/component-class-filter.h>
  41 #include <babeltrace/graph/component-class-sink.h>
  42
  43 /*
  44  * _BT_HIDDEN: set the hidden attribute for internal functions
  45  * On Windows, symbols are local unless explicitly exported,
  46  * see https://gcc.gnu.org/wiki/Visibility
  47  */
  48 #if defined(_WIN32) || defined(__CYGWIN__)
  49 #define _BT_HIDDEN
  50 #else
  51 #define _BT_HIDDEN __attribute__((visibility("hidden")))
  52 #endif
  53
  54 #ifdef __cplusplus
  55 extern "C" {
  56 #endif
  57
  58 /*
  59  * Plugin interface's version, not synced with Babeltrace's version
  60  * (internal use).
  61  */
  62 #define __BT_PLUGIN_VERSION_MAJOR       1
  63 #define __BT_PLUGIN_VERSION_MINOR       0
  64
  65 /* Plugin initialization function type */
  66 typedef enum bt_self_plugin_status {
  67         BT_SELF_PLUGIN_STATUS_OK = 0,
  68         BT_SELF_PLUGIN_STATUS_NOMEM = -12,
  69         BT_SELF_PLUGIN_STATUS_ERROR = -1,
  70 } bt_self_plugin_status;
  71
  72 typedef struct bt_self_plugin bt_self_plugin;
  73
  74 typedef bt_self_plugin_status (*bt_plugin_init_func)(
  75                 bt_self_plugin *plugin);
  76
  77 /* Plugin exit function type */
  78 typedef void (*bt_plugin_exit_func)(void);
  79
  80 /* Plugin descriptor: describes a single plugin (internal use) */
  81 struct __bt_plugin_descriptor {
  82         /* Plugin's interface major version number */
  83         uint32_t major;
  84
  85         /* Plugin's interface minor version number */
  86         uint32_t minor;
  87
  88         /* Plugin's name */
  89         const char *name;
  90 } __attribute__((packed));
  91
  92 /* Type of a plugin attribute (internal use) */
  93 enum __bt_plugin_descriptor_attribute_type {
  94         BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_INIT                = 0,
  95         BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_EXIT                = 1,
  96         BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_AUTHOR              = 2,
  97         BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_LICENSE             = 3,
  98         BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION         = 4,
  99         BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_VERSION             = 5,
 100 };
 101
 102 /* Plugin (user) version */
 103 struct __bt_plugin_descriptor_version {
 104         uint32_t major;
 105         uint32_t minor;
 106         uint32_t patch;
 107         const char *extra;
 108 };
 109
 110 /* Plugin attribute (internal use) */
 111 struct __bt_plugin_descriptor_attribute {
 112         /* Plugin descriptor to which to associate this attribute */
 113         const struct __bt_plugin_descriptor *plugin_descriptor;
 114
 115         /* Name of the attribute's type for debug purposes */
 116         const char *type_name;
 117
 118         /* Attribute's type */
 119         enum __bt_plugin_descriptor_attribute_type type;
 120
 121         /* Attribute's value (depends on attribute's type) */
 122         union {
 123                 /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_INIT */
 124                 bt_plugin_init_func init;
 125
 126                 /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_EXIT */
 127                 bt_plugin_exit_func exit;
 128
 129                 /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_AUTHOR */
 130                 const char *author;
 131
 132                 /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_LICENSE */
 133                 const char *license;
 134
 135                 /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION */
 136                 const char *description;
 137
 138                 /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_VERSION */
 139                 struct __bt_plugin_descriptor_version version;
 140         } value;
 141 } __attribute__((packed));
 142
 143 /* Component class descriptor (internal use) */
 144 struct __bt_plugin_component_class_descriptor {
 145         /*
 146          * Plugin descriptor to which to associate this component
 147          * class descriptor.
 148          */
 149         const struct __bt_plugin_descriptor *plugin_descriptor;
 150
 151         /* Component class name */
 152         const char *name;
 153
 154         /* Component class type */
 155         bt_component_class_type type;
 156
 157         /* Mandatory methods (depends on component class type) */
 158         union {
 159                 /* BT_COMPONENT_CLASS_TYPE_SOURCE */
 160                 struct {
 161                         bt_component_class_source_message_iterator_next_method msg_iter_next;
 162                 } source;
 163
 164                 /* BT_COMPONENT_CLASS_TYPE_FILTER */
 165                 struct {
 166                         bt_component_class_filter_message_iterator_next_method msg_iter_next;
 167                 } filter;
 168
 169                 /* BT_COMPONENT_CLASS_TYPE_SINK */
 170                 struct {
 171                         bt_component_class_sink_consume_method consume;
 172                 } sink;
 173         } methods;
 174 } __attribute__((packed));
 175
 176 /* Type of a component class attribute (internal use) */
 177 enum __bt_plugin_component_class_descriptor_attribute_type {
 178         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION                                 = 0,
 179         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_HELP                                        = 1,
 180         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INIT_METHOD                                 = 2,
 181         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_FINALIZE_METHOD                             = 3,
 182         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_QUERY_METHOD                                = 4,
 183         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_ACCEPT_INPUT_PORT_CONNECTION_METHOD         = 5,
 184         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_ACCEPT_OUTPUT_PORT_CONNECTION_METHOD        = 6,
 185         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INPUT_PORT_CONNECTED_METHOD                 = 7,
 186         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_OUTPUT_PORT_CONNECTED_METHOD                = 8,
 187         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INPUT_PORT_DISCONNECTED_METHOD              = 9,
 188         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_OUTPUT_PORT_DISCONNECTED_METHOD             = 10,
 189         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_INIT_METHOD                        = 11,
 190         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_FINALIZE_METHOD                    = 12,
 191 };
 192
 193 /* Component class attribute (internal use) */
 194 struct __bt_plugin_component_class_descriptor_attribute {
 195         /*
 196          * Component class plugin attribute to which to associate this
 197          * component class attribute.
 198          */
 199         const struct __bt_plugin_component_class_descriptor *comp_class_descriptor;
 200
 201         /* Name of the attribute's type for debug purposes */
 202         const char *type_name;
 203
 204         /* Attribute's type */
 205         enum __bt_plugin_component_class_descriptor_attribute_type type;
 206
 207         /* Attribute's value (depends on attribute's type) */
 208         union {
 209                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION */
 210                 const char *description;
 211
 212                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_HELP */
 213                 const char *help;
 214
 215                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INIT_METHOD */
 216                 bt_component_class_source_init_method source_init_method;
 217                 bt_component_class_filter_init_method filter_init_method;
 218                 bt_component_class_sink_init_method sink_init_method;
 219
 220                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_FINALIZE_METHOD */
 221                 bt_component_class_source_finalize_method source_finalize_method;
 222                 bt_component_class_filter_finalize_method filter_finalize_method;
 223                 bt_component_class_sink_finalize_method sink_finalize_method;
 224
 225                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_QUERY_METHOD */
 226                 bt_component_class_source_query_method source_query_method;
 227                 bt_component_class_filter_query_method filter_query_method;
 228                 bt_component_class_sink_query_method sink_query_method;
 229
 230                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_ACCEPT_INPUT_PORT_CONNECTION_METHOD */
 231                 bt_component_class_filter_accept_input_port_connection_method filter_accept_input_port_connection_method;
 232                 bt_component_class_sink_accept_input_port_connection_method sink_accept_input_port_connection_method;
 233
 234                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_ACCEPT_OUTPUT_PORT_CONNECTION_METHOD */
 235                 bt_component_class_source_accept_output_port_connection_method source_accept_output_port_connection_method;
 236                 bt_component_class_filter_accept_output_port_connection_method filter_accept_output_port_connection_method;
 237
 238                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INPUT_PORT_CONNECTED_METHOD */
 239                 bt_component_class_filter_input_port_connected_method filter_input_port_connected_method;
 240                 bt_component_class_sink_input_port_connected_method sink_input_port_connected_method;
 241
 242                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_OUTPUT_PORT_CONNECTED_METHOD */
 243                 bt_component_class_source_output_port_connected_method source_output_port_connected_method;
 244                 bt_component_class_filter_output_port_connected_method filter_output_port_connected_method;
 245
 246                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INPUT_PORT_DISCONNECTED_METHOD */
 247                 bt_component_class_filter_input_port_disconnected_method filter_input_port_disconnected_method;
 248                 bt_component_class_sink_input_port_disconnected_method sink_input_port_disconnected_method;
 249
 250                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_OUTPUT_PORT_DISCONNECTED_METHOD */
 251                 bt_component_class_source_output_port_disconnected_method source_output_port_disconnected_method;
 252                 bt_component_class_filter_output_port_disconnected_method filter_output_port_disconnected_method;
 253
 254                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_INIT_METHOD */
 255                 bt_component_class_source_message_iterator_init_method source_msg_iter_init_method;
 256                 bt_component_class_filter_message_iterator_init_method filter_msg_iter_init_method;
 257
 258                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_FINALIZE_METHOD */
 259                 bt_component_class_source_message_iterator_finalize_method source_msg_iter_finalize_method;
 260                 bt_component_class_filter_message_iterator_finalize_method filter_msg_iter_finalize_method;
 261         } value;
 262 } __attribute__((packed));
 263
 264 struct __bt_plugin_descriptor const * const *__bt_get_begin_section_plugin_descriptors(void);
 265 struct __bt_plugin_descriptor const * const *__bt_get_end_section_plugin_descriptors(void);
 266 struct __bt_plugin_descriptor_attribute const * const *__bt_get_begin_section_plugin_descriptor_attributes(void);
 267 struct __bt_plugin_descriptor_attribute const * const *__bt_get_end_section_plugin_descriptor_attributes(void);
 268 struct __bt_plugin_component_class_descriptor const * const *__bt_get_begin_section_component_class_descriptors(void);
 269 struct __bt_plugin_component_class_descriptor const * const *__bt_get_end_section_component_class_descriptors(void);
 270 struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_begin_section_component_class_descriptor_attributes(void);
 271 struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_end_section_component_class_descriptor_attributes(void);
 272
 273 /*
 274  * Variable attributes for a plugin descriptor pointer to be added to
 275  * the plugin descriptor section (internal use).
 276  */
 277 #ifdef __APPLE__
 278 #define __BT_PLUGIN_DESCRIPTOR_ATTRS \
 279         __attribute__((section("__DATA,btp_desc"), used))
 280
 281 #define __BT_PLUGIN_DESCRIPTOR_BEGIN_SYMBOL \
 282         __start___bt_plugin_descriptors
 283
 284 #define __BT_PLUGIN_DESCRIPTOR_END_SYMBOL \
 285         __stop___bt_plugin_descriptors
 286
 287 #define __BT_PLUGIN_DESCRIPTOR_BEGIN_EXTRA \
 288         __asm("section$start$__DATA$btp_desc")
 289
 290 #define __BT_PLUGIN_DESCRIPTOR_END_EXTRA \
 291         __asm("section$end$__DATA$btp_desc")
 292
 293 #else
 294
 295 #define __BT_PLUGIN_DESCRIPTOR_ATTRS \
 296         __attribute__((section("__bt_plugin_descriptors"), used))
 297
 298 #define __BT_PLUGIN_DESCRIPTOR_BEGIN_SYMBOL \
 299         __start___bt_plugin_descriptors
 300
 301 #define __BT_PLUGIN_DESCRIPTOR_END_SYMBOL \
 302         __stop___bt_plugin_descriptors
 303
 304 #define __BT_PLUGIN_DESCRIPTOR_BEGIN_EXTRA
 305
 306 #define __BT_PLUGIN_DESCRIPTOR_END_EXTRA
 307 #endif
 308
 309 /*
 310  * Variable attributes for a plugin attribute pointer to be added to
 311  * the plugin attribute section (internal use).
 312  */
 313 #ifdef __APPLE__
 314 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_ATTRS \
 315         __attribute__((section("__DATA,btp_desc_att"), used))
 316
 317 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL \
 318         __start___bt_plugin_descriptor_attributes
 319
 320 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_SYMBOL \
 321         __stop___bt_plugin_descriptor_attributes
 322
 323 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA \
 324         __asm("section$start$__DATA$btp_desc_att")
 325
 326 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_EXTRA \
 327         __asm("section$end$__DATA$btp_desc_att")
 328
 329 #else
 330
 331 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_ATTRS \
 332         __attribute__((section("__bt_plugin_descriptor_attributes"), used))
 333
 334 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL \
 335         __start___bt_plugin_descriptor_attributes
 336
 337 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_SYMBOL \
 338         __stop___bt_plugin_descriptor_attributes
 339
 340 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA
 341
 342 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_EXTRA
 343 #endif
 344
 345 /*
 346  * Variable attributes for a component class descriptor pointer to be
 347  * added to the component class descriptor section (internal use).
 348  */
 349 #ifdef __APPLE__
 350 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRS \
 351         __attribute__((section("__DATA,btp_cc_desc"), used))
 352
 353 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_SYMBOL \
 354         __start___bt_plugin_component_class_descriptors
 355
 356 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_SYMBOL \
 357         __stop___bt_plugin_component_class_descriptors
 358
 359 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_EXTRA \
 360         __asm("section$start$__DATA$btp_cc_desc")
 361
 362 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_EXTRA \
 363         __asm("section$end$__DATA$btp_cc_desc")
 364
 365 #else
 366
 367 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRS \
 368         __attribute__((section("__bt_plugin_component_class_descriptors"), used))
 369
 370 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_SYMBOL \
 371         __start___bt_plugin_component_class_descriptors
 372
 373 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_SYMBOL \
 374         __stop___bt_plugin_component_class_descriptors
 375
 376 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_EXTRA
 377
 378 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_EXTRA
 379 #endif
 380
 381 /*
 382  * Variable attributes for a component class descriptor attribute
 383  * pointer to be added to the component class descriptor attribute
 384  * section (internal use).
 385  */
 386 #ifdef __APPLE__
 387 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_ATTRS \
 388         __attribute__((section("__DATA,btp_cc_desc_att"), used))
 389
 390 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL \
 391         __start___bt_plugin_component_class_descriptor_attributes
 392
 393 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_SYMBOL \
 394         __stop___bt_plugin_component_class_descriptor_attributes
 395
 396 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA \
 397         __asm("section$start$__DATA$btp_cc_desc_att")
 398
 399 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_EXTRA \
 400         __asm("section$end$__DATA$btp_cc_desc_att")
 401
 402 #else
 403
 404 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_ATTRS \
 405         __attribute__((section("__bt_plugin_component_class_descriptor_attributes"), used))
 406
 407 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL \
 408         __start___bt_plugin_component_class_descriptor_attributes
 409
 410 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_SYMBOL \
 411         __stop___bt_plugin_component_class_descriptor_attributes
 412
 413 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA
 414
 415 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_EXTRA
 416 #endif
 417
 418 /*
 419  * Declares a plugin descriptor pointer variable with a custom ID.
 420  *
 421  * _id: ID (any valid C identifier except `auto`).
 422  */
 423 #define BT_PLUGIN_DECLARE(_id) extern struct __bt_plugin_descriptor __bt_plugin_descriptor_##_id
 424
 425 /*
 426  * Defines a plugin descriptor with a custom ID.
 427  *
 428  * _id:   ID (any valid C identifier except `auto`).
 429  * _name: Plugin's name (C string).
 430  */
 431 #define BT_PLUGIN_WITH_ID(_id, _name)                                   \
 432         struct __bt_plugin_descriptor __bt_plugin_descriptor_##_id = {  \
 433                 .major = __BT_PLUGIN_VERSION_MAJOR,                     \
 434                 .minor = __BT_PLUGIN_VERSION_MINOR,                     \
 435                 .name = _name,                                          \
 436         };                                                              \
 437         static struct __bt_plugin_descriptor const * const __bt_plugin_descriptor_##_id##_ptr __BT_PLUGIN_DESCRIPTOR_ATTRS = &__bt_plugin_descriptor_##_id
 438
 439 /*
 440  * Defines a plugin attribute (generic, internal use).
 441  *
 442  * _attr_name: Name of the attribute (C identifier).
 443  * _attr_type: Type of the attribute (enum __bt_plugin_descriptor_attribute_type).
 444  * _id:        Plugin descriptor ID (C identifier).
 445  * _x:         Value.
 446  */
 447 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(_attr_name, _attr_type, _id, _x) \
 448         static struct __bt_plugin_descriptor_attribute __bt_plugin_descriptor_attribute_##_id##_##_attr_name = { \
 449                 .plugin_descriptor = &__bt_plugin_descriptor_##_id,     \
 450                 .type_name = #_attr_name,                               \
 451                 .type = _attr_type,                                     \
 452                 .value._attr_name = _x,                                 \
 453         };                                                              \
 454         static struct __bt_plugin_descriptor_attribute const * const __bt_plugin_descriptor_attribute_##_id##_##_attr_name##_ptr __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_ATTRS = &__bt_plugin_descriptor_attribute_##_id##_##_attr_name
 455
 456 /*
 457  * Defines a plugin initialization function attribute attached to a
 458  * specific plugin descriptor.
 459  *
 460  * _id: Plugin descriptor ID (C identifier).
 461  * _x:  Initialization function (bt_plugin_init_func).
 462  */
 463 #define BT_PLUGIN_INIT_WITH_ID(_id, _x) \
 464         __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(init, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_INIT, _id, _x)
 465
 466 /*
 467  * Defines a plugin exit function attribute attached to a specific
 468  * plugin descriptor.
 469  *
 470  * _id: Plugin descriptor ID (C identifier).
 471  * _x:  Exit function (bt_plugin_exit_func).
 472  */
 473 #define BT_PLUGIN_EXIT_WITH_ID(_id, _x) \
 474         __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(exit, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_EXIT, _id, _x)
 475
 476 /*
 477  * Defines an author attribute attached to a specific plugin descriptor.
 478  *
 479  * _id: Plugin descriptor ID (C identifier).
 480  * _x:  Author (C string).
 481  */
 482 #define BT_PLUGIN_AUTHOR_WITH_ID(_id, _x) \
 483         __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(author, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_AUTHOR, _id, _x)
 484
 485 /*
 486  * Defines a license attribute attached to a specific plugin descriptor.
 487  *
 488  * _id: Plugin descriptor ID (C identifier).
 489  * _x:  License (C string).
 490  */
 491 #define BT_PLUGIN_LICENSE_WITH_ID(_id, _x) \
 492         __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(license, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_LICENSE, _id, _x)
 493
 494 /*
 495  * Defines a description attribute attached to a specific plugin
 496  * descriptor.
 497  *
 498  * _id: Plugin descriptor ID (C identifier).
 499  * _x:  Description (C string).
 500  */
 501 #define BT_PLUGIN_DESCRIPTION_WITH_ID(_id, _x) \
 502         __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(description, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION, _id, _x)
 503
 504 #define __BT_PLUGIN_VERSION_STRUCT_VALUE(_major, _minor, _patch, _extra) \
 505         {.major = _major, .minor = _minor, .patch = _patch, .extra = _extra,}
 506
 507 /*
 508  * Defines a version attribute attached to a specific plugin descriptor.
 509  *
 510  * _id:    Plugin descriptor ID (C identifier).
 511  * _major: Plugin's major version (uint32_t).
 512  * _minor: Plugin's minor version (uint32_t).
 513  * _patch: Plugin's patch version (uint32_t).
 514  * _extra: Plugin's version extra information (C string).
 515  */
 516 #define BT_PLUGIN_VERSION_WITH_ID(_id, _major, _minor, _patch, _extra) \
 517         __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(version, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_VERSION, _id, __BT_PLUGIN_VERSION_STRUCT_VALUE(_major, _minor, _patch, _extra))
 518
 519 /*
 520  * Defines a source component class descriptor with a custom ID.
 521  *
 522  * _id:                     ID (any valid C identifier except `auto`).
 523  * _comp_class_id:          Component class ID (C identifier).
 524  * _name:                   Component class name (C string).
 525  * _msg_iter_next_method: Component class's iterator next method
 526  *                          (bt_component_class_source_message_iterator_next_method).
 527  */
 528 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_WITH_ID(_id, _comp_class_id, _name, _msg_iter_next_method) \
 529         static struct __bt_plugin_component_class_descriptor __bt_plugin_source_component_class_descriptor_##_id##_##_comp_class_id = { \
 530                 .plugin_descriptor = &__bt_plugin_descriptor_##_id,     \
 531                 .name = _name,                                          \
 532                 .type = BT_COMPONENT_CLASS_TYPE_SOURCE,                 \
 533                 .methods.source = {                                     \
 534                         .msg_iter_next = _msg_iter_next_method, \
 535                 },                                                      \
 536         };                                                              \
 537         static struct __bt_plugin_component_class_descriptor const * const __bt_plugin_source_component_class_descriptor_##_id##_##_comp_class_id##_ptr __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRS = &__bt_plugin_source_component_class_descriptor_##_id##_##_comp_class_id
 538
 539 /*
 540  * Defines a filter component class descriptor with a custom ID.
 541  *
 542  * _id:                     ID (any valid C identifier except `auto`).
 543  * _comp_class_id:          Component class ID (C identifier).
 544  * _name:                   Component class name (C string).
 545  * _msg_iter_next_method: Component class's iterator next method
 546  *                          (bt_component_class_filter_message_iterator_next_method).
 547  */
 548 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_WITH_ID(_id, _comp_class_id, _name, _msg_iter_next_method) \
 549         static struct __bt_plugin_component_class_descriptor __bt_plugin_filter_component_class_descriptor_##_id##_##_comp_class_id = { \
 550                 .plugin_descriptor = &__bt_plugin_descriptor_##_id,     \
 551                 .name = _name,                                          \
 552                 .type = BT_COMPONENT_CLASS_TYPE_FILTER,                 \
 553                 .methods.filter = {                                     \
 554                         .msg_iter_next = _msg_iter_next_method, \
 555                 },                                                      \
 556         };                                                              \
 557         static struct __bt_plugin_component_class_descriptor const * const __bt_plugin_filter_component_class_descriptor_##_id##_##_comp_class_id##_ptr __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRS = &__bt_plugin_filter_component_class_descriptor_##_id##_##_comp_class_id
 558
 559 /*
 560  * Defines a sink component class descriptor with a custom ID.
 561  *
 562  * _id:                 ID (any valid C identifier except `auto`).
 563  * _comp_class_id:      Component class ID (C identifier).
 564  * _name:               Component class name (C string).
 565  * _consume_method:     Component class's iterator consume method
 566  *                      (bt_component_class_sink_consume_method).
 567  */
 568 #define BT_PLUGIN_SINK_COMPONENT_CLASS_WITH_ID(_id, _comp_class_id, _name, _consume_method) \
 569         static struct __bt_plugin_component_class_descriptor __bt_plugin_sink_component_class_descriptor_##_id##_##_comp_class_id = { \
 570                 .plugin_descriptor = &__bt_plugin_descriptor_##_id,     \
 571                 .name = _name,                                          \
 572                 .type = BT_COMPONENT_CLASS_TYPE_SINK,                   \
 573                 .methods.sink = {                                       \
 574                         .consume = _consume_method,                     \
 575                 },                                                      \
 576         };                                                              \
 577         static struct __bt_plugin_component_class_descriptor const * const __bt_plugin_sink_component_class_descriptor_##_id##_##_comp_class_id##_ptr __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRS = &__bt_plugin_sink_component_class_descriptor_##_id##_##_comp_class_id
 578
 579 /*
 580  * Defines a component class descriptor attribute (generic, internal
 581  * use).
 582  *
 583  * _id:            Plugin descriptor ID (C identifier).
 584  * _comp_class_id: Component class ID (C identifier).
 585  * _type:          Component class type (`source`, `filter`, or `sink`).
 586  * _attr_name:     Name of the attribute (C identifier).
 587  * _attr_type:     Type of the attribute
 588  *                 (enum __bt_plugin_descriptor_attribute_type).
 589  * _x:             Value.
 590  */
 591 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(_attr_name, _attr_type, _id, _comp_class_id, _type, _x) \
 592         static struct __bt_plugin_component_class_descriptor_attribute __bt_plugin_##_type##_component_class_descriptor_attribute_##_id##_##_comp_class_id##_##_attr_name = { \
 593                 .comp_class_descriptor = &__bt_plugin_##_type##_component_class_descriptor_##_id##_##_comp_class_id, \
 594                 .type_name = #_attr_name,                               \
 595                 .type = _attr_type,                                     \
 596                 .value._attr_name = _x,                                 \
 597         };                                                              \
 598         static struct __bt_plugin_component_class_descriptor_attribute const * const __bt_plugin_##_type##_component_class_descriptor_attribute_##_id##_##_comp_class_id##_##_attr_name##_ptr __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_ATTRS = &__bt_plugin_##_type##_component_class_descriptor_attribute_##_id##_##_comp_class_id##_##_attr_name
 599
 600 /*
 601  * Defines a description attribute attached to a specific source
 602  * component class descriptor.
 603  *
 604  * _id:            Plugin descriptor ID (C identifier).
 605  * _comp_class_id: Component class descriptor ID (C identifier).
 606  * _x:             Description (C string).
 607  */
 608 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_DESCRIPTION_WITH_ID(_id, _comp_class_id, _x) \
 609         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(description, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION, _id, _comp_class_id, source, _x)
 610
 611 /*
 612  * Defines a description attribute attached to a specific filter
 613  * component class descriptor.
 614  *
 615  * _id:            Plugin descriptor ID (C identifier).
 616  * _comp_class_id: Component class descriptor ID (C identifier).
 617  * _x:             Description (C string).
 618  */
 619 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_DESCRIPTION_WITH_ID(_id, _comp_class_id, _x) \
 620         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(description, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION, _id, _comp_class_id, filter, _x)
 621
 622 /*
 623  * Defines a description attribute attached to a specific sink
 624  * component class descriptor.
 625  *
 626  * _id:            Plugin descriptor ID (C identifier).
 627  * _comp_class_id: Component class descriptor ID (C identifier).
 628  * _x:             Description (C string).
 629  */
 630 #define BT_PLUGIN_SINK_COMPONENT_CLASS_DESCRIPTION_WITH_ID(_id, _comp_class_id, _x) \
 631         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(description, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION, _id, _comp_class_id, sink, _x)
 632
 633 /*
 634  * Defines a help attribute attached to a specific source component
 635  * class descriptor.
 636  *
 637  * _id:            Plugin descriptor ID (C identifier).
 638  * _comp_class_id: Component class descriptor ID (C identifier).
 639  * _x:             Help (C string).
 640  */
 641 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_HELP_WITH_ID(_id, _comp_class_id, _x) \
 642         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(help, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_HELP, _id, _comp_class_id, source, _x)
 643
 644 /*
 645  * Defines a help attribute attached to a specific filter component
 646  * class descriptor.
 647  *
 648  * _id:            Plugin descriptor ID (C identifier).
 649  * _comp_class_id: Component class descriptor ID (C identifier).
 650  * _x:             Help (C string).
 651  */
 652 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_HELP_WITH_ID(_id, _comp_class_id, _x) \
 653         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(help, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_HELP, _id, _comp_class_id, filter, _x)
 654
 655 /*
 656  * Defines a help attribute attached to a specific sink component class
 657  * descriptor.
 658  *
 659  * _id:            Plugin descriptor ID (C identifier).
 660  * _comp_class_id: Component class descriptor ID (C identifier).
 661  * _x:             Help (C string).
 662  */
 663 #define BT_PLUGIN_SINK_COMPONENT_CLASS_HELP_WITH_ID(_id, _comp_class_id, _x) \
 664         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(help, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_HELP, _id, _comp_class_id, sink, _x)
 665
 666 /*
 667  * Defines an initialization method attribute attached to a specific
 668  * source component class descriptor.
 669  *
 670  * _id:            Plugin descriptor ID (C identifier).
 671  * _comp_class_id: Component class descriptor ID (C identifier).
 672  * _x:             Initialization method (bt_component_class_source_init_method).
 673  */
 674 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_INIT_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 675         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_init_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INIT_METHOD, _id, _comp_class_id, source, _x)
 676
 677 /*
 678  * Defines an initialization method attribute attached to a specific
 679  * filter component class descriptor.
 680  *
 681  * _id:            Plugin descriptor ID (C identifier).
 682  * _comp_class_id: Component class descriptor ID (C identifier).
 683  * _x:             Initialization method (bt_component_class_filter_init_method).
 684  */
 685 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_INIT_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 686         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_init_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INIT_METHOD, _id, _comp_class_id, filter, _x)
 687
 688 /*
 689  * Defines an initialization method attribute attached to a specific
 690  * sink component class descriptor.
 691  *
 692  * _id:            Plugin descriptor ID (C identifier).
 693  * _comp_class_id: Component class descriptor ID (C identifier).
 694  * _x:             Initialization method (bt_component_class_sink_init_method).
 695  */
 696 #define BT_PLUGIN_SINK_COMPONENT_CLASS_INIT_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 697         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_init_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INIT_METHOD, _id, _comp_class_id, sink, _x)
 698
 699 /*
 700  * Defines a finalization method attribute attached to a specific source
 701  * component class descriptor.
 702  *
 703  * _id:            Plugin descriptor ID (C identifier).
 704  * _comp_class_id: Component class descriptor ID (C identifier).
 705  * _x:             Finalize method (bt_component_class_source_finalize_method).
 706  */
 707 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 708         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_finalize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_FINALIZE_METHOD, _id, _comp_class_id, source, _x)
 709
 710 /*
 711  * Defines a finalization method attribute attached to a specific filter
 712  * component class descriptor.
 713  *
 714  * _id:            Plugin descriptor ID (C identifier).
 715  * _comp_class_id: Component class descriptor ID (C identifier).
 716  * _x:             Finalize method (bt_component_class_filter_finalize_method).
 717  */
 718 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 719         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_finalize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_FINALIZE_METHOD, _id, _comp_class_id, filter, _x)
 720
 721 /*
 722  * Defines a finalization method attribute attached to a specific sink
 723  * component class descriptor.
 724  *
 725  * _id:            Plugin descriptor ID (C identifier).
 726  * _comp_class_id: Component class descriptor ID (C identifier).
 727  * _x:             Finalize method (bt_component_class_sink_finalize_method).
 728  */
 729 #define BT_PLUGIN_SINK_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 730         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_finalize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_FINALIZE_METHOD, _id, _comp_class_id, sink, _x)
 731
 732 /*
 733  * Defines a query method attribute attached to a specific source
 734  * component class descriptor.
 735  *
 736  * _id:            Plugin descriptor ID (C identifier).
 737  * _comp_class_id: Component class descriptor ID (C identifier).
 738  * _x:             Finalize method (bt_component_class_source_query_method).
 739  */
 740 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 741         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_query_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_QUERY_METHOD, _id, _comp_class_id, source, _x)
 742
 743 /*
 744  * Defines a query method attribute attached to a specific filter
 745  * component class descriptor.
 746  *
 747  * _id:            Plugin descriptor ID (C identifier).
 748  * _comp_class_id: Component class descriptor ID (C identifier).
 749  * _x:             Finalize method (bt_component_class_filter_query_method).
 750  */
 751 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 752         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_query_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_QUERY_METHOD, _id, _comp_class_id, filter, _x)
 753
 754 /*
 755  * Defines a query method attribute attached to a specific sink
 756  * component class descriptor.
 757  *
 758  * _id:            Plugin descriptor ID (C identifier).
 759  * _comp_class_id: Component class descriptor ID (C identifier).
 760  * _x:             Finalize method (bt_component_class_sink_query_method).
 761  */
 762 #define BT_PLUGIN_SINK_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 763         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_query_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_QUERY_METHOD, _id, _comp_class_id, sink, _x)
 764
 765 /*
 766  * Defines an accept input port connection method attribute attached to
 767  * a specific filter component class descriptor.
 768  *
 769  * _id:            Plugin descriptor ID (C identifier).
 770  * _comp_class_id: Component class descriptor ID (C identifier).
 771  * _x:             Accept port connection method
 772  *                 (bt_component_class_filter_accept_input_port_connection_method).
 773  */
 774 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_ACCEPT_INPUT_PORT_CONNECTION_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 775         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_accept_input_port_connection_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_ACCEPT_INPUT_PORT_CONNECTION_METHOD, _id, _comp_class_id, filter, _x)
 776
 777 /*
 778  * Defines an accept input port connection method attribute attached to
 779  * a specific sink component class descriptor.
 780  *
 781  * _id:            Plugin descriptor ID (C identifier).
 782  * _comp_class_id: Component class descriptor ID (C identifier).
 783  * _x:             Accept port connection method
 784  *                 (bt_component_class_sink_accept_input_port_connection_method).
 785  */
 786 #define BT_PLUGIN_SINK_COMPONENT_CLASS_ACCEPT_INPUT_PORT_CONNECTION_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 787         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_accept_input_port_connection_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_ACCEPT_INPUT_PORT_CONNECTION_METHOD, _id, _comp_class_id, sink, _x)
 788
 789 /*
 790  * Defines an accept output port connection method attribute attached to
 791  * a specific source component class descriptor.
 792  *
 793  * _id:            Plugin descriptor ID (C identifier).
 794  * _comp_class_id: Component class descriptor ID (C identifier).
 795  * _x:             Accept port connection method
 796  *                 (bt_component_class_source_accept_output_port_connection_method).
 797  */
 798 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_ACCEPT_OUTPUT_PORT_CONNECTION_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 799         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_accept_output_port_connection_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_ACCEPT_OUTPUT_PORT_CONNECTION_METHOD, _id, _comp_class_id, source, _x)
 800
 801 /*
 802  * Defines an accept output port connection method attribute attached to
 803  * a specific filter component class descriptor.
 804  *
 805  * _id:            Plugin descriptor ID (C identifier).
 806  * _comp_class_id: Component class descriptor ID (C identifier).
 807  * _x:             Accept port connection method
 808  *                 (bt_component_class_filter_accept_output_port_connection_method).
 809  */
 810 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_ACCEPT_OUTPUT_PORT_CONNECTION_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 811         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_accept_output_port_connection_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_ACCEPT_OUTPUT_PORT_CONNECTION_METHOD, _id, _comp_class_id, filter, _x)
 812
 813 /*
 814  * Defines an input port connected method attribute attached to a
 815  * specific filter component class descriptor.
 816  *
 817  * _id:            Plugin descriptor ID (C identifier).
 818  * _comp_class_id: Component class descriptor ID (C identifier).
 819  * _x:             Port connected method
 820  *                 (bt_component_class_filter_input_port_connected_method).
 821  */
 822 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 823         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_input_port_connected_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INPUT_PORT_CONNECTED_METHOD, _id, _comp_class_id, filter, _x)
 824
 825 /*
 826  * Defines an input port connected method attribute attached to a
 827  * specific sink component class descriptor.
 828  *
 829  * _id:            Plugin descriptor ID (C identifier).
 830  * _comp_class_id: Component class descriptor ID (C identifier).
 831  * _x:             Port connected method
 832  *                 (bt_component_class_sink_input_port_connected_method).
 833  */
 834 #define BT_PLUGIN_SINK_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 835         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_input_port_connected_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INPUT_PORT_CONNECTED_METHOD, _id, _comp_class_id, sink, _x)
 836
 837 /*
 838  * Defines an output port connected method attribute attached to a
 839  * specific source component class descriptor.
 840  *
 841  * _id:            Plugin descriptor ID (C identifier).
 842  * _comp_class_id: Component class descriptor ID (C identifier).
 843  * _x:             Port connected method
 844  *                 (bt_component_class_source_output_port_connected_method).
 845  */
 846 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 847         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_output_port_connected_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_OUTPUT_PORT_CONNECTED_METHOD, _id, _comp_class_id, source, _x)
 848
 849 /*
 850  * Defines an output port connected method attribute attached to a
 851  * specific filter component class descriptor.
 852  *
 853  * _id:            Plugin descriptor ID (C identifier).
 854  * _comp_class_id: Component class descriptor ID (C identifier).
 855  * _x:             Port connected method
 856  *                 (bt_component_class_filter_output_port_connected_method).
 857  */
 858 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 859         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_output_port_connected_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_OUTPUT_PORT_CONNECTED_METHOD, _id, _comp_class_id, filter, _x)
 860
 861 /*
 862  * Defines an input port disconnected method attribute attached to a
 863  * specific filter component class descriptor.
 864  *
 865  * _id:            Plugin descriptor ID (C identifier).
 866  * _comp_class_id: Component class descriptor ID (C identifier).
 867  * _x:             Port disconnected method
 868  *                 (bt_component_class_filter_input_port_disconnected_method).
 869  */
 870 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_INPUT_PORT_DISCONNECTED_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 871         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_input_port_disconnected_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INPUT_PORT_DISCONNECTED_METHOD, _id, _comp_class_id, filter, _x)
 872
 873 /*
 874  * Defines an input port disconnected method attribute attached to a
 875  * specific sink component class descriptor.
 876  *
 877  * _id:            Plugin descriptor ID (C identifier).
 878  * _comp_class_id: Component class descriptor ID (C identifier).
 879  * _x:             Port disconnected method
 880  *                 (bt_component_class_sink_input_port_disconnected_method).
 881  */
 882 #define BT_PLUGIN_SINK_COMPONENT_CLASS_INPUT_PORT_DISCONNECTED_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 883         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_input_port_disconnected_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INPUT_PORT_DISCONNECTED_METHOD, _id, _comp_class_id, sink, _x)
 884
 885 /*
 886  * Defines an output port disconnected method attribute attached to a
 887  * specific source component class descriptor.
 888  *
 889  * _id:            Plugin descriptor ID (C identifier).
 890  * _comp_class_id: Component class descriptor ID (C identifier).
 891  * _x:             Port disconnected method
 892  *                 (bt_component_class_source_output_port_disconnected_method).
 893  */
 894 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_OUTPUT_PORT_DISCONNECTED_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 895         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_output_port_disconnected_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_OUTPUT_PORT_DISCONNECTED_METHOD, _id, _comp_class_id, source, _x)
 896
 897 /*
 898  * Defines an output port disconnected method attribute attached to a
 899  * specific filter component class descriptor.
 900  *
 901  * _id:            Plugin descriptor ID (C identifier).
 902  * _comp_class_id: Component class descriptor ID (C identifier).
 903  * _x:             Port disconnected method
 904  *                 (bt_component_class_filter_output_port_disconnected_method).
 905  */
 906 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_OUTPUT_PORT_DISCONNECTED_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 907         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_output_port_disconnected_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_OUTPUT_PORT_DISCONNECTED_METHOD, _id, _comp_class_id, filter, _x)
 908
 909 /*
 910  * Defines an iterator initialization method attribute attached to a
 911  * specific source component class descriptor.
 912  *
 913  * _id:            Plugin descriptor ID (C identifier).
 914  * _comp_class_id: Component class descriptor ID (C identifier).
 915  * _x:             Iterator initialization method
 916  *                 (bt_component_class_source_message_iterator_init_method).
 917  */
 918 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 919         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_msg_iter_init_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_INIT_METHOD, _id, _comp_class_id, source, _x)
 920
 921 /*
 922  * Defines an iterator finalize method attribute attached to a specific
 923  * source component class descriptor.
 924  *
 925  * _id:            Plugin descriptor ID (C identifier).
 926  * _comp_class_id: Component class descriptor ID (C identifier).
 927  * _x:             Iterator finalize method
 928  *                 (bt_component_class_source_message_iterator_finalize_method).
 929  */
 930 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 931         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_msg_iter_finalize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_FINALIZE_METHOD, _id, _comp_class_id, source, _x)
 932
 933 /*
 934  * Defines an iterator initialization method attribute attached to a
 935  * specific filter component class descriptor.
 936  *
 937  * _id:            Plugin descriptor ID (C identifier).
 938  * _comp_class_id: Component class descriptor ID (C identifier).
 939  * _x:             Iterator initialization method
 940  *                 (bt_component_class_filter_message_iterator_init_method).
 941  */
 942 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 943         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_msg_iter_init_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_INIT_METHOD, _id, _comp_class_id, filter, _x)
 944
 945 /*
 946  * Defines an iterator finalize method attribute attached to a specific
 947  * filter component class descriptor.
 948  *
 949  * _id:            Plugin descriptor ID (C identifier).
 950  * _comp_class_id: Component class descriptor ID (C identifier).
 951  * _x:             Iterator finalize method
 952  *                 (bt_component_class_filter_message_iterator_finalize_method).
 953  */
 954 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 955         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_msg_iter_finalize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_FINALIZE_METHOD, _id, _comp_class_id, filter, _x)
 956
 957 /*
 958  * Defines a plugin descriptor with an automatic ID.
 959  *
 960  * _name: Plugin's name (C string).
 961  */
 962 #define BT_PLUGIN(_name)                static BT_PLUGIN_WITH_ID(auto, #_name)
 963
 964 /*
 965  * Defines a plugin initialization function attribute attached to the
 966  * automatic plugin descriptor.
 967  *
 968  * _x: Initialization function (bt_plugin_init_func).
 969  */
 970 #define BT_PLUGIN_INIT(_x)              BT_PLUGIN_INIT_WITH_ID(auto, _x)
 971
 972  /*
 973  * Defines a plugin exit function attribute attached to the automatic
 974  * plugin descriptor.
 975  *
 976  * _x: Exit function (bt_plugin_exit_func).
 977  */
 978 #define BT_PLUGIN_EXIT(_x)              BT_PLUGIN_EXIT_WITH_ID(auto, _x)
 979
 980 /*
 981  * Defines an author attribute attached to the automatic plugin
 982  * descriptor.
 983  *
 984  * _x: Author (C string).
 985  */
 986 #define BT_PLUGIN_AUTHOR(_x)            BT_PLUGIN_AUTHOR_WITH_ID(auto, _x)
 987
 988 /*
 989  * Defines a license attribute attached to the automatic plugin
 990  * descriptor.
 991  *
 992  * _x: License (C string).
 993  */
 994 #define BT_PLUGIN_LICENSE(_x)           BT_PLUGIN_LICENSE_WITH_ID(auto, _x)
 995
 996 /*
 997  * Defines a description attribute attached to the automatic plugin
 998  * descriptor.
 999  *
1000  * _x: Description (C string).
1001  */
1002 #define BT_PLUGIN_DESCRIPTION(_x)       BT_PLUGIN_DESCRIPTION_WITH_ID(auto, _x)
1003
1004 /*
1005  * Defines a version attribute attached to the automatic plugin
1006  * descriptor.
1007  *
1008  * _major: Plugin's major version (uint32_t).
1009  * _minor: Plugin's minor version (uint32_t).
1010  * _patch: Plugin's patch version (uint32_t).
1011  * _extra: Plugin's version extra information (C string).
1012  */
1013 #define BT_PLUGIN_VERSION(_major, _minor, _patch, _extra) BT_PLUGIN_VERSION_WITH_ID(auto, _major, _minor, _patch, _extra)
1014
1015 /*
1016  * Defines a source component class attached to the automatic plugin
1017  * descriptor. Its ID is the same as its name, hence its name must be a
1018  * C identifier in this version.
1019  *
1020  * _name:                   Component class name (C identifier).
1021  * _msg_iter_next_method: Component class's iterator next method
1022  *                          (bt_component_class_source_message_iterator_next_method).
1023  */
1024 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS(_name, _msg_iter_next_method) \
1025         BT_PLUGIN_SOURCE_COMPONENT_CLASS_WITH_ID(auto, _name, #_name, _msg_iter_next_method)
1026
1027 /*
1028  * Defines a filter component class attached to the automatic plugin
1029  * descriptor. Its ID is the same as its name, hence its name must be a
1030  * C identifier in this version.
1031  *
1032  * _name:                   Component class name (C identifier).
1033  * _msg_iter_next_method: Component class's iterator next method
1034  *                          (bt_component_class_filter_message_iterator_next_method).
1035  */
1036 #define BT_PLUGIN_FILTER_COMPONENT_CLASS(_name, _msg_iter_next_method) \
1037         BT_PLUGIN_FILTER_COMPONENT_CLASS_WITH_ID(auto, _name, #_name, _msg_iter_next_method)
1038
1039 /*
1040  * Defines a sink component class attached to the automatic plugin
1041  * descriptor. Its ID is the same as its name, hence its name must be a
1042  * C identifier in this version.
1043  *
1044  * _name:           Component class name (C identifier).
1045  * _consume_method: Component class's consume method
1046  *                  (bt_component_class_sink_consume_method).
1047  */
1048 #define BT_PLUGIN_SINK_COMPONENT_CLASS(_name, _consume_method) \
1049         BT_PLUGIN_SINK_COMPONENT_CLASS_WITH_ID(auto, _name, #_name, _consume_method)
1050
1051 /*
1052  * Defines a description attribute attached to a source component class
1053  * descriptor which is attached to the automatic plugin descriptor.
1054  *
1055  * _name: Component class name (C identifier).
1056  * _x:    Description (C string).
1057  */
1058 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_DESCRIPTION(_name, _x) \
1059         BT_PLUGIN_SOURCE_COMPONENT_CLASS_DESCRIPTION_WITH_ID(auto, _name, _x)
1060
1061 /*
1062  * Defines a description attribute attached to a filter component class
1063  * descriptor which is attached to the automatic plugin descriptor.
1064  *
1065  * _name: Component class name (C identifier).
1066  * _x:    Description (C string).
1067  */
1068 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_DESCRIPTION(_name, _x) \
1069         BT_PLUGIN_FILTER_COMPONENT_CLASS_DESCRIPTION_WITH_ID(auto, _name, _x)
1070
1071 /*
1072  * Defines a description attribute attached to a sink component class
1073  * descriptor which is attached to the automatic plugin descriptor.
1074  *
1075  * _name: Component class name (C identifier).
1076  * _x:    Description (C string).
1077  */
1078 #define BT_PLUGIN_SINK_COMPONENT_CLASS_DESCRIPTION(_name, _x) \
1079         BT_PLUGIN_SINK_COMPONENT_CLASS_DESCRIPTION_WITH_ID(auto, _name, _x)
1080
1081 /*
1082  * Defines a help attribute attached to a source component class
1083  * descriptor which is attached to the automatic plugin descriptor.
1084  *
1085  * _name: Component class name (C identifier).
1086  * _x:    Help (C string).
1087  */
1088 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_HELP(_name, _x) \
1089         BT_PLUGIN_SOURCE_COMPONENT_CLASS_HELP_WITH_ID(auto, _name, _x)
1090
1091 /*
1092  * Defines a help attribute attached to a filter component class
1093  * descriptor which is attached to the automatic plugin descriptor.
1094  *
1095  * _name: Component class name (C identifier).
1096  * _x:    Help (C string).
1097  */
1098 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_HELP(_name, _x) \
1099         BT_PLUGIN_FILTER_COMPONENT_CLASS_HELP_WITH_ID(auto, _name, _x)
1100
1101 /*
1102  * Defines a help attribute attached to a sink component class
1103  * descriptor which is attached to the automatic plugin descriptor.
1104  *
1105  * _name: Component class name (C identifier).
1106  * _x:    Help (C string).
1107  */
1108 #define BT_PLUGIN_SINK_COMPONENT_CLASS_HELP(_name, _x) \
1109         BT_PLUGIN_SINK_COMPONENT_CLASS_HELP_WITH_ID(auto, _name, _x)
1110
1111 /*
1112  * Defines an initialization method attribute attached to a source
1113  * component class descriptor which is attached to the automatic plugin
1114  * descriptor.
1115  *
1116  * _name: Component class name (C identifier).
1117  * _x:    Initialization method (bt_component_class_source_init_method).
1118  */
1119 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_INIT_METHOD(_name, _x) \
1120         BT_PLUGIN_SOURCE_COMPONENT_CLASS_INIT_METHOD_WITH_ID(auto, _name, _x)
1121
1122 /*
1123  * Defines an initialization method attribute attached to a filter
1124  * component class descriptor which is attached to the automatic plugin
1125  * descriptor.
1126  *
1127  * _name: Component class name (C identifier).
1128  * _x:    Initialization method (bt_component_class_filter_init_method).
1129  */
1130 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_INIT_METHOD(_name, _x) \
1131         BT_PLUGIN_FILTER_COMPONENT_CLASS_INIT_METHOD_WITH_ID(auto, _name, _x)
1132
1133 /*
1134  * Defines an initialization method attribute attached to a sink
1135  * component class descriptor which is attached to the automatic plugin
1136  * descriptor.
1137  *
1138  * _name: Component class name (C identifier).
1139  * _x:    Initialization method (bt_component_class_sink_init_method).
1140  */
1141 #define BT_PLUGIN_SINK_COMPONENT_CLASS_INIT_METHOD(_name, _x) \
1142         BT_PLUGIN_SINK_COMPONENT_CLASS_INIT_METHOD_WITH_ID(auto, _name, _x)
1143
1144 /*
1145  * Defines a finalization method attribute attached to a source component
1146  * class descriptor which is attached to the automatic plugin
1147  * descriptor.
1148  *
1149  * _name: Component class name (C identifier).
1150  * _x:    Initialization method (bt_component_class_source_finalize_method).
1151  */
1152 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_FINALIZE_METHOD(_name, _x) \
1153         BT_PLUGIN_SOURCE_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(auto, _name, _x)
1154
1155 /*
1156  * Defines a finalization method attribute attached to a filter component
1157  * class descriptor which is attached to the automatic plugin
1158  * descriptor.
1159  *
1160  * _name: Component class name (C identifier).
1161  * _x:    Initialization method (bt_component_class_filter_finalize_method).
1162  */
1163 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_FINALIZE_METHOD(_name, _x) \
1164         BT_PLUGIN_FILTER_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(auto, _name, _x)
1165
1166 /*
1167  * Defines a finalization method attribute attached to a sink component class
1168  * descriptor which is attached to the automatic plugin descriptor.
1169  *
1170  * _name: Component class name (C identifier).
1171  * _x:    Initialization method (bt_component_class_sink_finalize_method).
1172  */
1173 #define BT_PLUGIN_SINK_COMPONENT_CLASS_FINALIZE_METHOD(_name, _x) \
1174         BT_PLUGIN_SINK_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(auto, _name, _x)
1175
1176 /*
1177  * Defines a query method attribute attached to a source component
1178  * class descriptor which is attached to the automatic plugin
1179  * descriptor.
1180  *
1181  * _name: Component class name (C identifier).
1182  * _x:    Initialization method (bt_component_class_source_query_method).
1183  */
1184 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_QUERY_METHOD(_name, _x) \
1185         BT_PLUGIN_SOURCE_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(auto, _name, _x)
1186
1187 /*
1188  * Defines a query method attribute attached to a filter component
1189  * class descriptor which is attached to the automatic plugin
1190  * descriptor.
1191  *
1192  * _name: Component class name (C identifier).
1193  * _x:    Initialization method (bt_component_class_filter_query_method).
1194  */
1195 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_QUERY_METHOD(_name, _x) \
1196         BT_PLUGIN_FILTER_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(auto, _name, _x)
1197
1198 /*
1199  * Defines a query method attribute attached to a sink component
1200  * class descriptor which is attached to the automatic plugin
1201  * descriptor.
1202  *
1203  * _name: Component class name (C identifier).
1204  * _x:    Initialization method (bt_component_class_sink_query_method).
1205  */
1206 #define BT_PLUGIN_SINK_COMPONENT_CLASS_QUERY_METHOD(_name, _x) \
1207         BT_PLUGIN_SINK_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(auto, _name, _x)
1208
1209 /*
1210  * Defines an accept input port connection method attribute attached to
1211  * a filter component class descriptor which is attached to the
1212  * automatic plugin descriptor.
1213  *
1214  * _name: Component class name (C identifier).
1215  * _x:    Accept port connection method
1216  *        (bt_component_class_filter_accept_input_port_connection_method).
1217  */
1218 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_ACCEPT_INPUT_PORT_CONNECTION_METHOD(_name, _x) \
1219         BT_PLUGIN_FILTER_COMPONENT_CLASS_ACCEPT_INPUT_PORT_CONNECTION_METHOD_WITH_ID(auto, _name, _x)
1220
1221 /*
1222  * Defines an accept input port connection method attribute attached to
1223  * a sink component class descriptor which is attached to the automatic
1224  * plugin descriptor.
1225  *
1226  * _name: Component class name (C identifier).
1227  * _x:    Accept port connection method
1228  *        (bt_component_class_sink_accept_input_port_connection_method).
1229  */
1230 #define BT_PLUGIN_SINK_COMPONENT_CLASS_ACCEPT_INPUT_PORT_CONNECTION_METHOD(_name, _x) \
1231         BT_PLUGIN_SINK_COMPONENT_CLASS_ACCEPT_INPUT_PORT_CONNECTION_METHOD_WITH_ID(auto, _name, _x)
1232
1233 /*
1234  * Defines an accept output port connection method attribute attached to
1235  * a source component class descriptor which is attached to the
1236  * automatic plugin descriptor.
1237  *
1238  * _name: Component class name (C identifier).
1239  * _x:    Accept port connection method
1240  *        (bt_component_class_source_accept_output_port_connection_method).
1241  */
1242 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_ACCEPT_OUTPUT_PORT_CONNECTION_METHOD(_name, _x) \
1243         BT_PLUGIN_SOURCE_COMPONENT_CLASS_ACCEPT_OUTPUT_PORT_CONNECTION_METHOD_WITH_ID(auto, _name, _x)
1244
1245 /*
1246  * Defines an accept output port connection method attribute attached to
1247  * a filter component class descriptor which is attached to the
1248  * automatic plugin descriptor.
1249  *
1250  * _name: Component class name (C identifier).
1251  * _x:    Accept port connection method
1252  *        (bt_component_class_filter_accept_output_port_connection_method).
1253  */
1254 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_ACCEPT_OUTPUT_PORT_CONNECTION_METHOD(_name, _x) \
1255         BT_PLUGIN_FILTER_COMPONENT_CLASS_ACCEPT_OUTPUT_PORT_CONNECTION_METHOD_WITH_ID(auto, _name, _x)
1256
1257 /*
1258  * Defines an input port connected method attribute attached to a filter
1259  * component class descriptor which is attached to the automatic plugin
1260  * descriptor.
1261  *
1262  * _name: Component class name (C identifier).
1263  * _x:    Port connected (bt_component_class_filter_input_port_connected_method).
1264  */
1265 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD(_name, _x) \
1266         BT_PLUGIN_FILTER_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD_WITH_ID(auto, _name, _x)
1267
1268 /*
1269  * Defines an input port connected method attribute attached to a sink
1270  * component class descriptor which is attached to the automatic plugin
1271  * descriptor.
1272  *
1273  * _name: Component class name (C identifier).
1274  * _x:    Port connected (bt_component_class_sink_input_port_connected_method).
1275  */
1276 #define BT_PLUGIN_SINK_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD(_name, _x) \
1277         BT_PLUGIN_SINK_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD_WITH_ID(auto, _name, _x)
1278
1279 /*
1280  * Defines an output port connected method attribute attached to a source
1281  * component class descriptor which is attached to the automatic plugin
1282  * descriptor.
1283  *
1284  * _name: Component class name (C identifier).
1285  * _x:    Port connected (bt_component_class_source_output_port_connected_method).
1286  */
1287 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD(_name, _x) \
1288         BT_PLUGIN_SOURCE_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD_WITH_ID(auto, _name, _x)
1289
1290 /*
1291  * Defines an output port connected method attribute attached to a filter
1292  * component class descriptor which is attached to the automatic plugin
1293  * descriptor.
1294  *
1295  * _name: Component class name (C identifier).
1296  * _x:    Port connected (bt_component_class_filter_output_port_connected_method).
1297  */
1298 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD(_name, _x) \
1299         BT_PLUGIN_FILTER_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD_WITH_ID(auto, _name, _x)
1300
1301 /*
1302  * Defines an input port disconnected method attribute attached to a
1303  * filter component class descriptor which is attached to the automatic
1304  * plugin descriptor.
1305  *
1306  * _name: Component class name (C identifier).
1307  * _x:    Port disconnected (bt_component_class_filter_input_port_disconnected_method).
1308  */
1309 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_INPUT_PORT_DISCONNECTED_METHOD(_name, _x) \
1310         BT_PLUGIN_FILTER_COMPONENT_CLASS_INPUT_PORT_DISCONNECTED_METHOD_WITH_ID(auto, _name, _x)
1311
1312 /*
1313  * Defines an input port disconnected method attribute attached to a
1314  * sink component class descriptor which is attached to the automatic
1315  * plugin descriptor.
1316  *
1317  * _name: Component class name (C identifier).
1318  * _x:    Port disconnected (bt_component_class_sink_input_port_disconnected_method).
1319  */
1320 #define BT_PLUGIN_SINK_COMPONENT_CLASS_INPUT_PORT_DISCONNECTED_METHOD(_name, _x) \
1321         BT_PLUGIN_SINK_COMPONENT_CLASS_INPUT_PORT_DISCONNECTED_METHOD_WITH_ID(auto, _name, _x)
1322
1323 /*
1324  * Defines an output port disconnected method attribute attached to a
1325  * source component class descriptor which is attached to the automatic
1326  * plugin descriptor.
1327  *
1328  * _name: Component class name (C identifier).
1329  * _x:    Port disconnected (bt_component_class_source_output_port_disconnected_method).
1330  */
1331 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_OUTPUT_PORT_DISCONNECTED_METHOD(_name, _x) \
1332         BT_PLUGIN_SOURCE_COMPONENT_CLASS_OUTPUT_PORT_DISCONNECTED_METHOD_WITH_ID(auto, _name, _x)
1333
1334 /*
1335  * Defines an output port disconnected method attribute attached to a
1336  * filter component class descriptor which is attached to the automatic
1337  * plugin descriptor.
1338  *
1339  * _name: Component class name (C identifier).
1340  * _x:    Port disconnected (bt_component_class_filter_output_port_disconnected_method).
1341  */
1342 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_OUTPUT_PORT_DISCONNECTED_METHOD(_name, _x) \
1343         BT_PLUGIN_FILTER_COMPONENT_CLASS_OUTPUT_PORT_DISCONNECTED_METHOD_WITH_ID(auto, _name, _x)
1344
1345 /*
1346  * Defines an iterator initialization method attribute attached to a
1347  * source component class descriptor which is attached to the automatic
1348  * plugin descriptor.
1349  *
1350  * _name: Component class name (C identifier).
1351  * _x:    Iterator initialization method
1352  *        (bt_component_class_source_message_iterator_init_method).
1353  */
1354 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD(_name, _x) \
1355         BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_WITH_ID(auto, _name, _x)
1356
1357 /*
1358  * Defines an iterator finalize method attribute attached to a source
1359  * component class descriptor which is attached to the automatic plugin
1360  * descriptor.
1361  *
1362  * _name: Component class name (C identifier).
1363  * _x:    Iterator finalize method
1364  *        (bt_component_class_source_message_iterator_finalize_method).
1365  */
1366 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD(_name, _x) \
1367         BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD_WITH_ID(auto, _name, _x)
1368
1369 /*
1370  * Defines an iterator initialization method attribute attached to a
1371  * filter component class descriptor which is attached to the automatic
1372  * plugin descriptor.
1373  *
1374  * _name: Component class name (C identifier).
1375  * _x:    Iterator initialization method
1376  *        (bt_component_class_filter_message_iterator_init_method).
1377  */
1378 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD(_name, _x) \
1379         BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_WITH_ID(auto, _name, _x)
1380
1381 /*
1382  * Defines an iterator finalize method attribute attached to a filter
1383  * component class descriptor which is attached to the automatic plugin
1384  * descriptor.
1385  *
1386  * _name: Component class name (C identifier).
1387  * _x:    Iterator finalize method
1388  *        (bt_component_class_filter_message_iterator_finalize_method).
1389  */
1390 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD(_name, _x) \
1391         BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD_WITH_ID(auto, _name, _x)
1392
1393 #define BT_PLUGIN_MODULE() \
1394         static struct __bt_plugin_descriptor const * const __bt_plugin_descriptor_dummy __BT_PLUGIN_DESCRIPTOR_ATTRS = NULL; \
1395         _BT_HIDDEN extern struct __bt_plugin_descriptor const *__BT_PLUGIN_DESCRIPTOR_BEGIN_SYMBOL __BT_PLUGIN_DESCRIPTOR_BEGIN_EXTRA; \
1396         _BT_HIDDEN extern struct __bt_plugin_descriptor const *__BT_PLUGIN_DESCRIPTOR_END_SYMBOL __BT_PLUGIN_DESCRIPTOR_END_EXTRA; \
1397         \
1398         static struct __bt_plugin_descriptor_attribute const * const __bt_plugin_descriptor_attribute_dummy __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_ATTRS = NULL; \
1399         _BT_HIDDEN extern struct __bt_plugin_descriptor_attribute const *__BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA; \
1400         _BT_HIDDEN extern struct __bt_plugin_descriptor_attribute const *__BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_SYMBOL __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_EXTRA; \
1401         \
1402         static struct __bt_plugin_component_class_descriptor const * const __bt_plugin_component_class_descriptor_dummy __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRS = NULL; \
1403         _BT_HIDDEN extern struct __bt_plugin_component_class_descriptor const *__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_SYMBOL __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_EXTRA; \
1404         _BT_HIDDEN extern struct __bt_plugin_component_class_descriptor const *__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_SYMBOL __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_EXTRA; \
1405         \
1406         static struct __bt_plugin_component_class_descriptor_attribute const * const __bt_plugin_component_class_descriptor_attribute_dummy __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_ATTRS = NULL; \
1407         _BT_HIDDEN extern struct __bt_plugin_component_class_descriptor_attribute const *__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA; \
1408         _BT_HIDDEN extern struct __bt_plugin_component_class_descriptor_attribute const *__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_SYMBOL __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_EXTRA; \
1409         \
1410         struct __bt_plugin_descriptor const * const *__bt_get_begin_section_plugin_descriptors(void) \
1411         { \
1412                 return &__BT_PLUGIN_DESCRIPTOR_BEGIN_SYMBOL; \
1413         } \
1414         struct __bt_plugin_descriptor const * const *__bt_get_end_section_plugin_descriptors(void) \
1415         { \
1416                 return &__BT_PLUGIN_DESCRIPTOR_END_SYMBOL; \
1417         } \
1418         struct __bt_plugin_descriptor_attribute const * const *__bt_get_begin_section_plugin_descriptor_attributes(void) \
1419         { \
1420                 return &__BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL; \
1421         } \
1422         struct __bt_plugin_descriptor_attribute const * const *__bt_get_end_section_plugin_descriptor_attributes(void) \
1423         { \
1424                 return &__BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_SYMBOL; \
1425         } \
1426         struct __bt_plugin_component_class_descriptor const * const *__bt_get_begin_section_component_class_descriptors(void) \
1427         { \
1428                 return &__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_SYMBOL; \
1429         } \
1430         struct __bt_plugin_component_class_descriptor const * const *__bt_get_end_section_component_class_descriptors(void) \
1431         { \
1432                 return &__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_SYMBOL; \
1433         } \
1434         struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_begin_section_component_class_descriptor_attributes(void) \
1435         { \
1436                 return &__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL; \
1437         } \
1438         struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_end_section_component_class_descriptor_attributes(void) \
1439         { \
1440                 return &__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_SYMBOL; \
1441         }
1442
1443 #ifdef __cplusplus
1444 }
1445 #endif
1446
1447 #endif /* BABELTRACE_PLUGIN_PLUGIN_DEV_H */