tests/lib/test-plugin-plugins/sfs.c

   1 /*
   2  * SPDX-License-Identifier: GPL-2.0-only
   3  *
   4  * Copyright (C) 2017 Philippe Proulx <pproulx@efficios.com>
   5  */
   6
   7 #include <babeltrace2/babeltrace.h>
   8 #include "common/assert.h"
   9
  10 static bt_component_class_sink_consume_method_status sink_consume(
  11                 bt_self_component_sink *self_comp)
  12 {
  13         return BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_OK;
  14 }
  15
  16 static bt_message_iterator_class_initialize_method_status
  17 src_dummy_iterator_init_method(
  18                 bt_self_message_iterator *self_msg_iter,
  19                 bt_self_message_iterator_configuration *config,
  20                 bt_self_component_port_output *self_port)
  21 {
  22         return BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_OK;
  23 }
  24
  25 static bt_message_iterator_class_initialize_method_status
  26 flt_dummy_iterator_init_method(
  27                 bt_self_message_iterator *self_msg_iter,
  28                 bt_self_message_iterator_configuration *config,
  29                 bt_self_component_port_output *self_port)
  30 {
  31         return BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_OK;
  32 }
  33
  34 static void dummy_iterator_finalize_method(
  35                 bt_self_message_iterator *self_msg_iter)
  36 {
  37 }
  38
  39 static bt_message_iterator_class_next_method_status
  40 dummy_iterator_next_method(
  41                 bt_self_message_iterator *self_msg_iter,
  42                 bt_message_array_const msgs, uint64_t capacity,
  43                 uint64_t *count)
  44 {
  45         return BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK;
  46 }
  47
  48 static bt_component_class_query_method_status flt_query_method(
  49                 bt_self_component_class_filter *component_class,
  50                 bt_private_query_executor *priv_query_exec,
  51                 const char *object, const bt_value *params,
  52                 __attribute__((unused)) void *method_data,
  53                 const bt_value **result)
  54 {
  55         bt_value *res = bt_value_array_create();
  56         bt_value *val;
  57         *result = res;
  58         int iret;
  59
  60         BT_ASSERT(*result);
  61         iret = bt_value_array_append_string_element(res, object);
  62         BT_ASSERT(iret == 0);
  63         iret = bt_value_copy(params, &val);
  64         BT_ASSERT(iret == 0);
  65         iret = bt_value_array_append_element(res, val);
  66         BT_ASSERT(iret == 0);
  67         bt_value_put_ref(val);
  68         return BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_OK;
  69 }
  70
  71 BT_PLUGIN_MODULE();
  72 BT_PLUGIN(test_sfs);
  73 BT_PLUGIN_DESCRIPTION("Babeltrace plugin with source, sink, and filter component classes");
  74 BT_PLUGIN_AUTHOR("Janine Sutto");
  75 BT_PLUGIN_LICENSE("Beerware");
  76 BT_PLUGIN_VERSION(1, 2, 3, "yes");
  77
  78 BT_PLUGIN_SOURCE_COMPONENT_CLASS(source, dummy_iterator_next_method);
  79 BT_PLUGIN_SOURCE_COMPONENT_CLASS_DESCRIPTION(source, "A source.");
  80 BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD(source,
  81         src_dummy_iterator_init_method);
  82 BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CLASS_FINALIZE_METHOD(source,
  83         dummy_iterator_finalize_method);
  84
  85 BT_PLUGIN_SINK_COMPONENT_CLASS(sink, sink_consume);
  86 BT_PLUGIN_SINK_COMPONENT_CLASS_DESCRIPTION(sink, "A sink.");
  87 BT_PLUGIN_SINK_COMPONENT_CLASS_HELP(sink,
  88         "Bacon ipsum dolor amet strip steak cupim pastrami venison shoulder.\n"
  89         "Prosciutto beef ribs flank meatloaf pancetta brisket kielbasa drumstick\n"
  90         "venison tenderloin cow tail. Beef short loin shoulder meatball, sirloin\n"
  91         "ground round brisket salami cupim pork bresaola turkey bacon boudin.\n"
  92 );
  93
  94 BT_PLUGIN_FILTER_COMPONENT_CLASS(filter, dummy_iterator_next_method);
  95 BT_PLUGIN_FILTER_COMPONENT_CLASS_DESCRIPTION(filter, "A filter.");
  96 BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD(filter,
  97         flt_dummy_iterator_init_method);
  98 BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CLASS_FINALIZE_METHOD(filter,
  99         dummy_iterator_finalize_method);
 100 BT_PLUGIN_FILTER_COMPONENT_CLASS_QUERY_METHOD(filter, flt_query_method);