lib: rename `lib-logging.h` to `logging.h`
[babeltrace.git] / src / lib / graph / component-class-sink-colander.c
CommitLineData
706a18f9 1/*
e2f7325d 2 * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
706a18f9
PP
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
350ad6c1 23#define BT_LOG_TAG "LIB/COLANDER"
c2d9d9cf 24#include "lib/logging.h"
706a18f9 25
578e048b
MJ
26#include "common/assert.h"
27#include "lib/assert-pre.h"
28#include "lib/object.h"
3fadfbc0
MJ
29#include <babeltrace2/graph/component-class-sink.h>
30#include <babeltrace2/graph/self-component-sink.h>
31#include <babeltrace2/graph/self-component-port.h>
32#include <babeltrace2/graph/self-component-port-input-message-iterator.h>
33#include <babeltrace2/graph/self-component.h>
706a18f9 34#include <glib.h>
706a18f9 35
578e048b
MJ
36#include "component-class-sink-colander.h"
37
706a18f9 38static
0d72b8c3 39struct bt_component_class_sink *colander_comp_cls;
706a18f9 40
706a18f9 41static
d94d92ac
PP
42enum bt_self_component_status colander_init(
43 struct bt_self_component_sink *self_comp,
05e21286 44 const struct bt_value *params, void *init_method_data)
706a18f9 45{
d94d92ac 46 enum bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK;
7474e7d3 47 struct bt_component_class_sink_colander_priv_data *colander_data = NULL;
8ed535b5
PP
48 struct bt_component_class_sink_colander_data *user_provided_data =
49 init_method_data;
706a18f9 50
3f7d4d90 51 BT_ASSERT(init_method_data);
7474e7d3
PP
52 colander_data = g_new0(
53 struct bt_component_class_sink_colander_priv_data, 1);
706a18f9
PP
54 if (!colander_data) {
55 BT_LOGE_STR("Failed to allocate colander data.");
d94d92ac 56 status = BT_SELF_COMPONENT_STATUS_NOMEM;
706a18f9
PP
57 goto end;
58 }
59
d6e69534 60 colander_data->msgs = user_provided_data->msgs;
d4393e08 61 colander_data->count_addr = user_provided_data->count_addr;
d94d92ac
PP
62 status = bt_self_component_sink_add_input_port(self_comp, "in",
63 NULL, NULL);
64 if (status != BT_SELF_COMPONENT_STATUS_OK) {
706a18f9
PP
65 BT_LOGE_STR("Cannot add input port.");
66 goto end;
67 }
68
d94d92ac 69 bt_self_component_set_data(
707b7d35 70 bt_self_component_sink_as_self_component(self_comp),
d94d92ac 71 colander_data);
706a18f9
PP
72
73end:
74 return status;
75}
76
77static
d94d92ac 78void colander_finalize(struct bt_self_component_sink *self_comp)
706a18f9 79{
7474e7d3 80 struct bt_component_class_sink_colander_priv_data *colander_data =
d94d92ac 81 bt_self_component_get_data(
707b7d35 82 bt_self_component_sink_as_self_component(self_comp));
706a18f9
PP
83
84 if (!colander_data) {
85 return;
86 }
87
d6e69534 88 BT_OBJECT_PUT_REF_AND_RESET(colander_data->msg_iter);
706a18f9
PP
89 g_free(colander_data);
90}
91
92static
36d1acad
SM
93enum bt_self_component_status colander_graph_is_configured(
94 bt_self_component_sink *self_comp)
706a18f9 95{
d94d92ac 96 enum bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK;
7474e7d3 97 struct bt_component_class_sink_colander_priv_data *colander_data =
d94d92ac 98 bt_self_component_get_data(
707b7d35 99 bt_self_component_sink_as_self_component(self_comp));
706a18f9 100
36d1acad
SM
101 struct bt_self_component_port_input *self_port =
102 bt_self_component_sink_borrow_input_port_by_name(self_comp, "in");
103 BT_ASSERT(self_port);
104
f6ccaed9 105 BT_ASSERT(colander_data);
d6e69534
PP
106 BT_OBJECT_PUT_REF_AND_RESET(colander_data->msg_iter);
107 colander_data->msg_iter =
108 bt_self_component_port_input_message_iterator_create(
d94d92ac 109 self_port);
d6e69534
PP
110 if (!colander_data->msg_iter) {
111 BT_LIB_LOGE("Cannot create message iterator on "
d94d92ac
PP
112 "self component input port: %![port-]+p",
113 self_port);
114 status = BT_SELF_COMPONENT_STATUS_NOMEM;
706a18f9
PP
115 goto end;
116 }
117
118end:
bf55043c 119 return status;
706a18f9
PP
120}
121
122static
d94d92ac
PP
123enum bt_self_component_status colander_consume(
124 struct bt_self_component_sink *self_comp)
706a18f9 125{
d94d92ac 126 enum bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK;
d6e69534 127 enum bt_message_iterator_status msg_iter_status;
7474e7d3 128 struct bt_component_class_sink_colander_priv_data *colander_data =
d94d92ac 129 bt_self_component_get_data(
707b7d35 130 bt_self_component_sink_as_self_component(self_comp));
d6e69534 131 bt_message_array_const msgs;
706a18f9 132
f6ccaed9 133 BT_ASSERT(colander_data);
3f7d4d90 134 BT_ASSERT(colander_data->msg_iter);
d6e69534
PP
135 msg_iter_status =
136 bt_self_component_port_input_message_iterator_next(
137 colander_data->msg_iter, &msgs,
d94d92ac 138 colander_data->count_addr);
d6e69534 139 switch (msg_iter_status) {
d6e69534 140 case BT_MESSAGE_ITERATOR_STATUS_AGAIN:
d94d92ac 141 status = BT_SELF_COMPONENT_STATUS_AGAIN;
706a18f9 142 goto end;
d6e69534 143 case BT_MESSAGE_ITERATOR_STATUS_END:
d94d92ac 144 status = BT_SELF_COMPONENT_STATUS_END;
706a18f9 145 goto end;
d6e69534
PP
146 case BT_MESSAGE_ITERATOR_STATUS_OK:
147 /* Move messages to user (count already set) */
148 memcpy(colander_data->msgs, msgs,
149 sizeof(*msgs) * *colander_data->count_addr);
706a18f9
PP
150 break;
151 default:
d94d92ac 152 status = BT_SELF_COMPONENT_STATUS_ERROR;
706a18f9
PP
153 goto end;
154 }
155
706a18f9 156end:
706a18f9
PP
157 return status;
158}
159
d94d92ac 160struct bt_component_class_sink *bt_component_class_sink_colander_get(void)
706a18f9
PP
161{
162 if (colander_comp_cls) {
163 goto end;
164 }
165
0d72b8c3
PP
166 colander_comp_cls = bt_component_class_sink_create("colander",
167 colander_consume);
706a18f9
PP
168 if (!colander_comp_cls) {
169 BT_LOGE_STR("Cannot create sink colander component class.");
170 goto end;
171 }
172
0d72b8c3 173 (void) bt_component_class_sink_set_init_method(
d94d92ac 174 colander_comp_cls, colander_init);
0d72b8c3 175 (void) bt_component_class_sink_set_finalize_method(
d94d92ac 176 colander_comp_cls, colander_finalize);
36d1acad
SM
177 (void) bt_component_class_sink_set_graph_is_configured_method(
178 colander_comp_cls, colander_graph_is_configured);
706a18f9
PP
179
180end:
398454ed 181 bt_object_get_ref(colander_comp_cls);
5a2b6475 182 return colander_comp_cls;
706a18f9
PP
183}
184
185__attribute__((destructor)) static
186void put_colander(void) {
65300d60 187 BT_OBJECT_PUT_REF_AND_RESET(colander_comp_cls);
706a18f9 188}
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