lib/graph/component-sink.c

   1 /*
   2  * Copyright 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   3  *
   4  * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  19  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  */
  24
  25 #define BT_LOG_TAG "COMP-SINK"
  26 #include <babeltrace/lib-logging-internal.h>
  27
  28 #include <babeltrace/compiler-internal.h>
  29 #include <babeltrace/values.h>
  30 #include <babeltrace/graph/self-component-sink.h>
  31 #include <babeltrace/graph/component-sink.h>
  32 #include <babeltrace/graph/component-sink-internal.h>
  33 #include <babeltrace/graph/component-internal.h>
  34 #include <babeltrace/graph/notification.h>
  35 #include <babeltrace/graph/graph.h>
  36 #include <babeltrace/object.h>
  37 #include <babeltrace/assert-internal.h>
  38 #include <babeltrace/assert-pre-internal.h>
  39
  40 BT_HIDDEN
  41 void bt_component_sink_destroy(struct bt_component *component)
  42 {
  43 }
  44
  45 BT_HIDDEN
  46 struct bt_component *bt_component_sink_create(struct bt_component_class *class)
  47 {
  48         struct bt_component_sink *sink = NULL;
  49
  50         sink = g_new0(struct bt_component_sink, 1);
  51         if (!sink) {
  52                 BT_LOGE_STR("Failed to allocate one sink component.");
  53                 goto end;
  54         }
  55
  56 end:
  57         return (void *) sink;
  58 }
  59
  60 uint64_t bt_component_sink_get_input_port_count(
  61                 struct bt_component_sink *component)
  62 {
  63         /* bt_component_get_input_port_count() logs details/errors */
  64         return bt_component_get_input_port_count((void *) component);
  65 }
  66
  67 struct bt_port_input *bt_component_sink_borrow_input_port_by_name(
  68                 struct bt_component_sink *component, const char *name)
  69 {
  70         /* bt_component_borrow_input_port_by_name() logs details/errors */
  71         return bt_component_borrow_input_port_by_name((void *) component, name);
  72 }
  73
  74 struct bt_self_component_port_input *
  75 bt_self_component_sink_borrow_input_port_by_name(
  76                 struct bt_self_component_sink *component, const char *name)
  77 {
  78         /* bt_component_borrow_input_port_by_name() logs details/errors */
  79         return (void *) bt_component_borrow_input_port_by_name(
  80                 (void *) component, name);
  81 }
  82
  83 struct bt_port_input *bt_component_sink_borrow_input_port_by_index(
  84                 struct bt_component_sink *component, uint64_t index)
  85 {
  86         /* bt_component_borrow_input_port_by_index() logs details/errors */
  87         return bt_component_borrow_input_port_by_index(
  88                 (void *) component, index);
  89 }
  90
  91 struct bt_self_component_port_input *
  92 bt_self_component_sink_borrow_input_port_by_index(
  93                 struct bt_self_component_sink *component, uint64_t index)
  94 {
  95         /* bt_component_borrow_input_port_by_index() logs details/errors */
  96         return (void *) bt_component_borrow_input_port_by_index(
  97                 (void *) component, index);
  98 }
  99
 100 enum bt_self_component_status bt_self_component_sink_add_input_port(
 101                 struct bt_self_component_sink *self_comp,
 102                 const char *name, void *user_data,
 103                 struct bt_self_component_port_input **self_port)
 104 {
 105         int status = BT_SELF_COMPONENT_STATUS_OK;
 106         struct bt_port *port = NULL;
 107         struct bt_component *comp = (void *) self_comp;
 108
 109         /* bt_component_add_input_port() logs details/errors */
 110         port = (void *) bt_component_add_input_port(comp, name, user_data);
 111         if (!port) {
 112                 status = BT_SELF_COMPONENT_STATUS_NOMEM;
 113                 goto end;
 114         }
 115
 116         if (self_port) {
 117                 /* Move reference to user */
 118                 *self_port = (void *) port;
 119                 port = NULL;
 120         }
 121
 122 end:
 123         bt_object_put_ref(port);
 124         return status;
 125 }