src/lib/graph/component-filter.c

   1 /*
   2  * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
   3  * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a copy
   6  * of this software and associated documentation files (the "Software"), to deal
   7  * in the Software without restriction, including without limitation the rights
   8  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   9  * copies of the Software, and to permit persons to whom the Software is
  10  * furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be included in
  13  * all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  18  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21  * SOFTWARE.
  22  */
  23
  24 #define BT_LOG_TAG "LIB/COMPONENT-FILTER"
  25 #include "lib/logging.h"
  26
  27 #include "common/assert.h"
  28 #include "lib/assert-pre.h"
  29 #include "compat/compiler.h"
  30 #include <babeltrace2/value.h>
  31 #include <babeltrace2/graph/self-component-filter.h>
  32 #include <babeltrace2/graph/component-filter-const.h>
  33 #include <babeltrace2/graph/graph.h>
  34
  35 #include "component-filter.h"
  36 #include "component.h"
  37 #include "component-class.h"
  38 #include "lib/func-status.h"
  39
  40 BT_HIDDEN
  41 void bt_component_filter_destroy(struct bt_component *component)
  42 {
  43 }
  44
  45 BT_HIDDEN
  46 struct bt_component *bt_component_filter_create(
  47                 const struct bt_component_class *class)
  48 {
  49         struct bt_component_filter *filter = NULL;
  50
  51         BT_ASSERT_PRE_NO_ERROR();
  52
  53         filter = g_new0(struct bt_component_filter, 1);
  54         if (!filter) {
  55                 BT_LIB_LOGE_APPEND_CAUSE(
  56                         "Failed to allocate one filter component.");
  57                 goto end;
  58         }
  59
  60 end:
  61         return (void *) filter;
  62 }
  63
  64 const bt_component_class_filter *
  65 bt_component_filter_borrow_class_const(
  66                 const bt_component_filter *component)
  67 {
  68         struct bt_component_class *cls;
  69
  70         BT_ASSERT_PRE_DEV_NON_NULL(component, "Component");
  71
  72         cls = component->parent.class;
  73
  74         BT_ASSERT_DBG(cls);
  75         BT_ASSERT_DBG(cls->type == BT_COMPONENT_CLASS_TYPE_FILTER);
  76
  77         return (bt_component_class_filter *) cls;
  78 }
  79
  80 uint64_t bt_component_filter_get_output_port_count(
  81                 const struct bt_component_filter *comp)
  82 {
  83         return bt_component_get_output_port_count((void *) comp);
  84 }
  85
  86 const struct bt_port_output *
  87 bt_component_filter_borrow_output_port_by_name_const(
  88                 const struct bt_component_filter *comp, const char *name)
  89 {
  90         return bt_component_borrow_output_port_by_name(
  91                 (void *) comp, name);
  92 }
  93
  94 struct bt_self_component_port_output *
  95 bt_self_component_filter_borrow_output_port_by_name(
  96                 struct bt_self_component_filter *comp, const char *name)
  97 {
  98         return (void *) bt_component_borrow_output_port_by_name(
  99                 (void *) comp, name);
 100 }
 101
 102 const struct bt_port_output *
 103 bt_component_filter_borrow_output_port_by_index_const(
 104                 const struct bt_component_filter *comp, uint64_t index)
 105 {
 106         return bt_component_borrow_output_port_by_index(
 107                 (void *) comp, index);
 108 }
 109
 110 struct bt_self_component_port_output *
 111 bt_self_component_filter_borrow_output_port_by_index(
 112                 struct bt_self_component_filter *comp, uint64_t index)
 113 {
 114         return (void *) bt_component_borrow_output_port_by_index(
 115                 (void *) comp, index);
 116 }
 117
 118 enum bt_self_component_add_port_status bt_self_component_filter_add_output_port(
 119                 struct bt_self_component_filter *self_comp,
 120                 const char *name, void *user_data,
 121                 struct bt_self_component_port_output **self_port)
 122 {
 123         struct bt_component *comp = (void *) self_comp;
 124         enum bt_self_component_add_port_status status;
 125         struct bt_port *port = NULL;
 126
 127         BT_ASSERT_PRE_NO_ERROR();
 128
 129         /* bt_component_add_output_port() logs details and errors */
 130         status = bt_component_add_output_port(comp, name, user_data, &port);
 131         if (status != BT_FUNC_STATUS_OK) {
 132                 goto end;
 133         }
 134
 135         if (self_port) {
 136                 /* Move reference to user */
 137                 *self_port = (void *) port;
 138                 port = NULL;
 139         }
 140
 141 end:
 142         bt_object_put_ref(port);
 143         return status;
 144 }
 145
 146 uint64_t bt_component_filter_get_input_port_count(
 147                 const struct bt_component_filter *component)
 148 {
 149         /* bt_component_get_input_port_count() logs details/errors */
 150         return bt_component_get_input_port_count((void *) component);
 151 }
 152
 153 const struct bt_port_input *bt_component_filter_borrow_input_port_by_name_const(
 154                 const struct bt_component_filter *component, const char *name)
 155 {
 156         /* bt_component_borrow_input_port_by_name() logs details/errors */
 157         return bt_component_borrow_input_port_by_name(
 158                 (void *) component, name);
 159 }
 160
 161 struct bt_self_component_port_input *
 162 bt_self_component_filter_borrow_input_port_by_name(
 163                 struct bt_self_component_filter *component, const char *name)
 164 {
 165         /* bt_component_borrow_input_port_by_name() logs details/errors */
 166         return (void *) bt_component_borrow_input_port_by_name(
 167                 (void *) component, name);
 168 }
 169
 170 const struct bt_port_input *
 171 bt_component_filter_borrow_input_port_by_index_const(
 172                 const struct bt_component_filter *component, uint64_t index)
 173 {
 174         /* bt_component_borrow_input_port_by_index() logs details/errors */
 175         return bt_component_borrow_input_port_by_index(
 176                 (void *) component, index);
 177 }
 178
 179 struct bt_self_component_port_input *
 180 bt_self_component_filter_borrow_input_port_by_index(
 181                 struct bt_self_component_filter *component, uint64_t index)
 182 {
 183         /* bt_component_borrow_input_port_by_index() logs details/errors */
 184         return (void *) bt_component_borrow_input_port_by_index(
 185                 (void *) component, index);
 186 }
 187
 188 enum bt_self_component_add_port_status bt_self_component_filter_add_input_port(
 189                 struct bt_self_component_filter *self_comp,
 190                 const char *name, void *user_data,
 191                 struct bt_self_component_port_input **self_port)
 192 {
 193         enum bt_self_component_add_port_status status;
 194         struct bt_port *port = NULL;
 195         struct bt_component *comp = (void *) self_comp;
 196
 197         BT_ASSERT_PRE_NO_ERROR();
 198
 199         /* bt_component_add_input_port() logs details/errors */
 200         status = bt_component_add_input_port(comp, name, user_data, &port);
 201         if (status != BT_FUNC_STATUS_OK) {
 202                 goto end;
 203         }
 204
 205         if (self_port) {
 206                 /* Move reference to user */
 207                 *self_port = (void *) port;
 208                 port = NULL;
 209         }
 210
 211 end:
 212         bt_object_put_ref(port);
 213         return status;
 214 }
 215
 216 void bt_component_filter_get_ref(
 217                 const struct bt_component_filter *component_filter)
 218 {
 219         bt_object_get_ref(component_filter);
 220 }
 221
 222 void bt_component_filter_put_ref(
 223                 const struct bt_component_filter *component_filter)
 224 {
 225         bt_object_put_ref(component_filter);
 226 }