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_component_class_get_supported_mip_versions_method_status
  17 sink_get_supported_mip_versions(
  18                 bt_self_component_class_sink *source_component_class,
  19                 const bt_value *params, void *initialize_method_data,
  20                 bt_logging_level logging_level,
  21                 bt_integer_range_set_unsigned *supported_versions)
  22 {
  23         return (int) bt_integer_range_set_unsigned_add_range(
  24                 supported_versions, 0, 0);
  25 }
  26
  27 static bt_message_iterator_class_initialize_method_status
  28 src_dummy_iterator_init_method(
  29                 bt_self_message_iterator *self_msg_iter,
  30                 bt_self_message_iterator_configuration *config,
  31                 bt_self_component_port_output *self_port)
  32 {
  33         return BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_OK;
  34 }
  35
  36 static bt_message_iterator_class_initialize_method_status
  37 flt_dummy_iterator_init_method(
  38                 bt_self_message_iterator *self_msg_iter,
  39                 bt_self_message_iterator_configuration *config,
  40                 bt_self_component_port_output *self_port)
  41 {
  42         return BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_OK;
  43 }
  44
  45 static void dummy_iterator_finalize_method(
  46                 bt_self_message_iterator *self_msg_iter)
  47 {
  48 }
  49
  50 static bt_message_iterator_class_next_method_status
  51 dummy_iterator_next_method(
  52                 bt_self_message_iterator *self_msg_iter,
  53                 bt_message_array_const msgs, uint64_t capacity,
  54                 uint64_t *count)
  55 {
  56         return BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK;
  57 }
  58
  59 static bt_component_class_query_method_status flt_query_method(
  60                 bt_self_component_class_filter *component_class,
  61                 bt_private_query_executor *priv_query_exec,
  62                 const char *object, const bt_value *params,
  63                 __attribute__((unused)) void *method_data,
  64                 const bt_value **result)
  65 {
  66         bt_value *res = bt_value_array_create();
  67         bt_value *val;
  68         *result = res;
  69         int iret;
  70
  71         BT_ASSERT(*result);
  72         iret = bt_value_array_append_string_element(res, object);
  73         BT_ASSERT(iret == 0);
  74         iret = bt_value_copy(params, &val);
  75         BT_ASSERT(iret == 0);
  76         iret = bt_value_array_append_element(res, val);
  77         BT_ASSERT(iret == 0);
  78         bt_value_put_ref(val);
  79         return BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_OK;
  80 }
  81
  82 BT_PLUGIN_MODULE();
  83 BT_PLUGIN(test_sfs);
  84 BT_PLUGIN_DESCRIPTION("Babeltrace plugin with source, sink, and filter component classes");
  85 BT_PLUGIN_AUTHOR("Janine Sutto");
  86 BT_PLUGIN_LICENSE("Beerware");
  87 BT_PLUGIN_VERSION(1, 2, 3, "yes");
  88
  89 BT_PLUGIN_SOURCE_COMPONENT_CLASS(source, dummy_iterator_next_method);
  90 BT_PLUGIN_SOURCE_COMPONENT_CLASS_DESCRIPTION(source, "A source.");
  91 BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD(source,
  92         src_dummy_iterator_init_method);
  93 BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CLASS_FINALIZE_METHOD(source,
  94         dummy_iterator_finalize_method);
  95
  96 BT_PLUGIN_SINK_COMPONENT_CLASS(sink, sink_consume);
  97 BT_PLUGIN_SINK_COMPONENT_CLASS_DESCRIPTION(sink, "A sink.");
  98 BT_PLUGIN_SINK_COMPONENT_CLASS_HELP(sink,
  99         "Bacon ipsum dolor amet strip steak cupim pastrami venison shoulder.\n"
 100         "Prosciutto beef ribs flank meatloaf pancetta brisket kielbasa drumstick\n"
 101         "venison tenderloin cow tail. Beef short loin shoulder meatball, sirloin\n"
 102         "ground round brisket salami cupim pork bresaola turkey bacon boudin.\n"
 103 );
 104 BT_PLUGIN_SINK_COMPONENT_CLASS_GET_SUPPORTED_MIP_VERSIONS_METHOD(sink,
 105         sink_get_supported_mip_versions);
 106
 107 BT_PLUGIN_FILTER_COMPONENT_CLASS(filter, dummy_iterator_next_method);
 108 BT_PLUGIN_FILTER_COMPONENT_CLASS_DESCRIPTION(filter, "A filter.");
 109 BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD(filter,
 110         flt_dummy_iterator_init_method);
 111 BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CLASS_FINALIZE_METHOD(filter,
 112         dummy_iterator_finalize_method);
 113 BT_PLUGIN_FILTER_COMPONENT_CLASS_QUERY_METHOD(filter, flt_query_method);