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 "COMP-FILTER"
  25 #include <babeltrace/lib-logging-internal.h>
  26
  27 #include <babeltrace/compiler-internal.h>
  28 #include <babeltrace/value.h>
  29 #include <babeltrace/graph/self-component-filter.h>
  30 #include <babeltrace/graph/component-filter-const.h>
  31 #include <babeltrace/graph/component-filter-internal.h>
  32 #include <babeltrace/graph/component-internal.h>
  33 #include <babeltrace/graph/component-class-internal.h>
  34 #include <babeltrace/graph/graph.h>
  35 #include <babeltrace/object.h>
  36 #include <babeltrace/assert-internal.h>
  37 #include <babeltrace/assert-pre-internal.h>
  38
  39 BT_HIDDEN
  40 void bt_component_filter_destroy(struct bt_component *component)
  41 {
  42 }
  43
  44 BT_HIDDEN
  45 struct bt_component *bt_component_filter_create(
  46                 const struct bt_component_class *class)
  47 {
  48         struct bt_component_filter *filter = NULL;
  49
  50         filter = g_new0(struct bt_component_filter, 1);
  51         if (!filter) {
  52                 BT_LOGE_STR("Failed to allocate one filter component.");
  53                 goto end;
  54         }
  55
  56 end:
  57         return (void *) filter;
  58 }
  59
  60 uint64_t bt_component_filter_get_output_port_count(
  61                 const struct bt_component_filter *comp)
  62 {
  63         return bt_component_get_output_port_count((void *) comp);
  64 }
  65
  66 const struct bt_port_output *
  67 bt_component_filter_borrow_output_port_by_name_const(
  68                 const struct bt_component_filter *comp, const char *name)
  69 {
  70         return bt_component_borrow_output_port_by_name(
  71                 (void *) comp, name);
  72 }
  73
  74 struct bt_self_component_port_output *
  75 bt_self_component_filter_borrow_output_port_by_name(
  76                 struct bt_self_component_filter *comp, const char *name)
  77 {
  78         return (void *) bt_component_borrow_output_port_by_name(
  79                 (void *) comp, name);
  80 }
  81
  82 const struct bt_port_output *
  83 bt_component_filter_borrow_output_port_by_index_const(
  84                 const struct bt_component_filter *comp, uint64_t index)
  85 {
  86         return bt_component_borrow_output_port_by_index(
  87                 (void *) comp, index);
  88 }
  89
  90 struct bt_self_component_port_output *
  91 bt_self_component_filter_borrow_output_port_by_index(
  92                 struct bt_self_component_filter *comp, uint64_t index)
  93 {
  94         return (void *) bt_component_borrow_output_port_by_index(
  95                 (void *) comp, index);
  96 }
  97
  98 enum bt_self_component_status bt_self_component_filter_add_output_port(
  99                 struct bt_self_component_filter *self_comp,
 100                 const char *name, void *user_data,
 101                 struct bt_self_component_port_output **self_port)
 102 {
 103         struct bt_component *comp = (void *) self_comp;
 104         int status = BT_SELF_COMPONENT_STATUS_OK;
 105         struct bt_port *port = NULL;
 106
 107         /* bt_component_add_output_port() logs details and errors */
 108         port = (void *) bt_component_add_output_port(comp, name, user_data);
 109         if (!port) {
 110                 status = BT_SELF_COMPONENT_STATUS_NOMEM;
 111                 goto end;
 112         }
 113
 114         if (self_port) {
 115                 /* Move reference to user */
 116                 *self_port = (void *) port;
 117                 port = NULL;
 118         }
 119
 120 end:
 121         bt_object_put_ref(port);
 122         return status;
 123 }
 124
 125 uint64_t bt_component_filter_get_input_port_count(
 126                 const struct bt_component_filter *component)
 127 {
 128         /* bt_component_get_input_port_count() logs details/errors */
 129         return bt_component_get_input_port_count((void *) component);
 130 }
 131
 132 const struct bt_port_input *bt_component_filter_borrow_input_port_by_name_const(
 133                 const struct bt_component_filter *component, const char *name)
 134 {
 135         /* bt_component_borrow_input_port_by_name() logs details/errors */
 136         return bt_component_borrow_input_port_by_name(
 137                 (void *) component, name);
 138 }
 139
 140 struct bt_self_component_port_input *
 141 bt_self_component_filter_borrow_input_port_by_name(
 142                 struct bt_self_component_filter *component, const char *name)
 143 {
 144         /* bt_component_borrow_input_port_by_name() logs details/errors */
 145         return (void *) bt_component_borrow_input_port_by_name(
 146                 (void *) component, name);
 147 }
 148
 149 const struct bt_port_input *
 150 bt_component_filter_borrow_input_port_by_index_const(
 151                 const struct bt_component_filter *component, uint64_t index)
 152 {
 153         /* bt_component_borrow_input_port_by_index() logs details/errors */
 154         return bt_component_borrow_input_port_by_index(
 155                 (void *) component, index);
 156 }
 157
 158 struct bt_self_component_port_input *
 159 bt_self_component_filter_borrow_input_port_by_index(
 160                 struct bt_self_component_filter *component, uint64_t index)
 161 {
 162         /* bt_component_borrow_input_port_by_index() logs details/errors */
 163         return (void *) bt_component_borrow_input_port_by_index(
 164                 (void *) component, index);
 165 }
 166
 167 enum bt_self_component_status bt_self_component_filter_add_input_port(
 168                 struct bt_self_component_filter *self_comp,
 169                 const char *name, void *user_data,
 170                 struct bt_self_component_port_input **self_port)
 171 {
 172         int status = BT_SELF_COMPONENT_STATUS_OK;
 173         struct bt_port *port = NULL;
 174         struct bt_component *comp = (void *) self_comp;
 175
 176         /* bt_component_add_input_port() logs details/errors */
 177         port = (void *) bt_component_add_input_port(comp, name, user_data);
 178         if (!port) {
 179                 status = BT_SELF_COMPONENT_STATUS_NOMEM;
 180                 goto end;
 181         }
 182
 183         if (self_port) {
 184                 /* Move reference to user */
 185                 *self_port = (void *) port;
 186                 port = NULL;
 187         }
 188
 189 end:
 190         bt_object_put_ref(port);
 191         return status;
 192 }