lib: make graph API const-correct
[babeltrace.git] / lib / graph / notification / packet.c
CommitLineData
78586d8a 1/*
78586d8a
JG
2 * Copyright 2016 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
93881221
PP
25#define BT_LOG_TAG "NOTIF-PACKET"
26#include <babeltrace/lib-logging-internal.h>
27
3d9990ac 28#include <babeltrace/compiler-internal.h>
108b91d0
PP
29#include <babeltrace/trace-ir/packet.h>
30#include <babeltrace/trace-ir/packet-internal.h>
31#include <babeltrace/trace-ir/stream-class.h>
32#include <babeltrace/trace-ir/stream.h>
33#include <babeltrace/trace-ir/stream-internal.h>
f7c3ac09 34#include <babeltrace/graph/graph-internal.h>
7b53201c
PP
35#include <babeltrace/graph/notification-packet-const.h>
36#include <babeltrace/graph/notification-packet.h>
b2e0c907 37#include <babeltrace/graph/notification-packet-internal.h>
9e550e5f 38#include <babeltrace/object.h>
8b45963b
PP
39#include <babeltrace/assert-internal.h>
40#include <babeltrace/assert-pre-internal.h>
c5a24b0a 41#include <babeltrace/object-internal.h>
93881221 42#include <inttypes.h>
78586d8a 43
f7c3ac09
PP
44BT_HIDDEN
45struct bt_notification *bt_notification_packet_begin_new(struct bt_graph *graph)
78586d8a 46{
f7c3ac09 47 struct bt_notification_packet_begin *notification;
78586d8a 48
f7c3ac09
PP
49 notification = g_new0(struct bt_notification_packet_begin, 1);
50 if (!notification) {
51 BT_LOGE_STR("Failed to allocate one packet beginning notification.");
52 goto error;
53 }
78586d8a 54
f7c3ac09
PP
55 bt_notification_init(&notification->parent,
56 BT_NOTIFICATION_TYPE_PACKET_BEGIN,
57 (bt_object_release_func) bt_notification_packet_begin_recycle,
58 graph);
59 goto end;
78586d8a 60
f7c3ac09 61error:
8138bfe1 62 BT_OBJECT_PUT_REF_AND_RESET(notification);
f7c3ac09
PP
63
64end:
65 return (void *) notification;
78586d8a
JG
66}
67
7b53201c 68struct bt_notification *bt_notification_packet_begin_create(
834e9996 69 struct bt_self_notification_iterator *self_notif_iter,
78cf9df6 70 struct bt_packet *packet)
78586d8a 71{
834e9996
PP
72 struct bt_self_component_port_input_notification_iterator *notif_iter =
73 (void *) self_notif_iter;
e5815ba2 74 struct bt_notification_packet_begin *notification = NULL;
839d52a5
PP
75 struct bt_stream *stream;
76 struct bt_stream_class *stream_class;
78586d8a 77
03e18d5d 78 BT_ASSERT_PRE_NON_NULL(notif_iter, "Notification iterator");
8b45963b 79 BT_ASSERT_PRE_NON_NULL(packet, "Packet");
839d52a5 80 stream = bt_packet_borrow_stream(packet);
8b45963b 81 BT_ASSERT(stream);
8deee039 82 stream_class = bt_stream_borrow_class(stream);
8b45963b 83 BT_ASSERT(stream_class);
834e9996
PP
84 BT_LIB_LOGD("Creating packet beginning notification object: "
85 "%![packet-]+a, %![stream-]+s, %![sc-]+S",
86 packet, stream, stream_class);
f7c3ac09 87 notification = (void *) bt_notification_create_from_pool(
834e9996 88 &notif_iter->graph->packet_begin_notif_pool, notif_iter->graph);
93881221 89 if (!notification) {
f7c3ac09 90 /* bt_notification_create_from_pool() logs errors */
c5a24b0a 91 goto end;
93881221
PP
92 }
93
c5a24b0a
PP
94 BT_ASSERT(!notification->packet);
95 notification->packet = packet;
96 bt_object_get_no_null_check_no_parent_check(
97 &notification->packet->base);
e5815ba2 98 bt_packet_set_is_frozen(packet, true);
834e9996
PP
99 BT_LIB_LOGD("Created packet beginning notification object: "
100 "%![notif-]+n, %![packet-]+a, %![stream-]+s, %![sc-]+S",
101 notification, packet, stream, stream_class);
f7c3ac09
PP
102 goto end;
103
f7c3ac09
PP
104end:
105 return (void *) notification;
106}
107
108BT_HIDDEN
109void bt_notification_packet_begin_destroy(struct bt_notification *notif)
110{
111 struct bt_notification_packet_begin *packet_begin_notif = (void *) notif;
112
834e9996
PP
113 BT_LIB_LOGD("Destroying packet beginning notification: %!+n", notif);
114 BT_LIB_LOGD("Putting packet: %!+a", packet_begin_notif->packet);
8138bfe1 115 BT_OBJECT_PUT_REF_AND_RESET(packet_begin_notif->packet);
f7c3ac09
PP
116 g_free(notif);
117}
118
119BT_HIDDEN
120void bt_notification_packet_begin_recycle(struct bt_notification *notif)
121{
122 struct bt_notification_packet_begin *packet_begin_notif = (void *) notif;
123 struct bt_graph *graph;
124
125 BT_ASSERT(packet_begin_notif);
126
c5a24b0a 127 if (unlikely(!notif->graph)) {
f7c3ac09
PP
128 bt_notification_packet_begin_destroy(notif);
129 return;
130 }
131
834e9996 132 BT_LIB_LOGD("Recycling packet beginning notification: %!+n", notif);
f7c3ac09 133 bt_notification_reset(notif);
c5a24b0a
PP
134 bt_object_put_no_null_check(&packet_begin_notif->packet->base);
135 packet_begin_notif->packet = NULL;
f7c3ac09
PP
136 graph = notif->graph;
137 notif->graph = NULL;
138 bt_object_pool_recycle_object(&graph->packet_begin_notif_pool, notif);
78586d8a
JG
139}
140
7b53201c
PP
141struct bt_packet *bt_notification_packet_begin_borrow_packet(
142 struct bt_notification *notification)
78586d8a 143{
ea0e619e 144 struct bt_notification_packet_begin *packet_begin;
78586d8a 145
8b45963b
PP
146 BT_ASSERT_PRE_NON_NULL(notification, "Notification");
147 BT_ASSERT_PRE_NOTIF_IS_TYPE(notification,
148 BT_NOTIFICATION_TYPE_PACKET_BEGIN);
78cf9df6 149 packet_begin = (void *) notification;
5fe68922 150 return packet_begin->packet;
78586d8a
JG
151}
152
7b53201c
PP
153const struct bt_packet *bt_notification_packet_begin_borrow_packet_const(
154 const struct bt_notification *notification)
9e550e5f 155{
7b53201c 156 return bt_notification_packet_begin_borrow_packet(
9e550e5f
PP
157 (void *) notification);
158}
159
f7c3ac09
PP
160BT_HIDDEN
161struct bt_notification *bt_notification_packet_end_new(struct bt_graph *graph)
162{
163 struct bt_notification_packet_end *notification;
164
165 notification = g_new0(struct bt_notification_packet_end, 1);
166 if (!notification) {
167 BT_LOGE_STR("Failed to allocate one packet end notification.");
168 goto error;
169 }
170
171 bt_notification_init(&notification->parent,
172 BT_NOTIFICATION_TYPE_PACKET_END,
173 (bt_object_release_func) bt_notification_packet_end_recycle,
174 graph);
175 goto end;
176
177error:
8138bfe1 178 BT_OBJECT_PUT_REF_AND_RESET(notification);
f7c3ac09
PP
179
180end:
181 return (void *) notification;
182}
183
7b53201c 184struct bt_notification *bt_notification_packet_end_create(
834e9996 185 struct bt_self_notification_iterator *self_notif_iter,
78cf9df6 186 struct bt_packet *packet)
78586d8a 187{
834e9996
PP
188 struct bt_self_component_port_input_notification_iterator *notif_iter =
189 (void *) self_notif_iter;
e5815ba2 190 struct bt_notification_packet_end *notification = NULL;
839d52a5
PP
191 struct bt_stream *stream;
192 struct bt_stream_class *stream_class;
78586d8a 193
03e18d5d 194 BT_ASSERT_PRE_NON_NULL(notif_iter, "Notification iterator");
8b45963b 195 BT_ASSERT_PRE_NON_NULL(packet, "Packet");
839d52a5 196 stream = bt_packet_borrow_stream(packet);
8b45963b 197 BT_ASSERT(stream);
8deee039 198 stream_class = bt_stream_borrow_class(stream);
8b45963b 199 BT_ASSERT(stream_class);
834e9996
PP
200 BT_LIB_LOGD("Creating packet end notification object: "
201 "%![packet-]+a, %![stream-]+s, %![sc-]+S",
202 packet, stream, stream_class);
f7c3ac09 203 notification = (void *) bt_notification_create_from_pool(
834e9996 204 &notif_iter->graph->packet_end_notif_pool, notif_iter->graph);
93881221 205 if (!notification) {
f7c3ac09 206 /* bt_notification_create_from_pool() logs errors */
c5a24b0a 207 goto end;
93881221
PP
208 }
209
c5a24b0a
PP
210 BT_ASSERT(!notification->packet);
211 notification->packet = packet;
212 bt_object_get_no_null_check_no_parent_check(
213 &notification->packet->base);
e5815ba2 214 bt_packet_set_is_frozen(packet, true);
834e9996
PP
215 BT_LIB_LOGD("Created packet end notification object: "
216 "%![notif-]+n, %![packet-]+a, %![stream-]+s, %![sc-]+S",
217 notification, packet, stream, stream_class);
f7c3ac09
PP
218 goto end;
219
f7c3ac09
PP
220end:
221 return (void *) notification;
222}
223
224BT_HIDDEN
225void bt_notification_packet_end_destroy(struct bt_notification *notif)
226{
227 struct bt_notification_packet_end *packet_end_notif = (void *) notif;
228
834e9996
PP
229 BT_LIB_LOGD("Destroying packet end notification: %!+n", notif);
230 BT_LIB_LOGD("Putting packet: %!+a", packet_end_notif->packet);
8138bfe1 231 BT_OBJECT_PUT_REF_AND_RESET(packet_end_notif->packet);
f7c3ac09
PP
232 g_free(notif);
233}
234
235BT_HIDDEN
236void bt_notification_packet_end_recycle(struct bt_notification *notif)
237{
238 struct bt_notification_packet_end *packet_end_notif = (void *) notif;
239 struct bt_graph *graph;
240
241 BT_ASSERT(packet_end_notif);
242
243 if (!notif->graph) {
244 bt_notification_packet_end_destroy(notif);
245 return;
246 }
247
834e9996 248 BT_LIB_LOGD("Recycling packet end notification: %!+n", notif);
f7c3ac09 249 bt_notification_reset(notif);
8138bfe1 250 BT_OBJECT_PUT_REF_AND_RESET(packet_end_notif->packet);
f7c3ac09
PP
251 graph = notif->graph;
252 notif->graph = NULL;
253 bt_object_pool_recycle_object(&graph->packet_end_notif_pool, notif);
78586d8a
JG
254}
255
7b53201c
PP
256struct bt_packet *bt_notification_packet_end_borrow_packet(
257 struct bt_notification *notification)
78586d8a
JG
258{
259 struct bt_notification_packet_end *packet_end;
260
8b45963b
PP
261 BT_ASSERT_PRE_NON_NULL(notification, "Notification");
262 BT_ASSERT_PRE_NOTIF_IS_TYPE(notification,
263 BT_NOTIFICATION_TYPE_PACKET_END);
78cf9df6 264 packet_end = (void *) notification;
5fe68922 265 return packet_end->packet;
78586d8a 266}
9e550e5f 267
7b53201c
PP
268const struct bt_packet *bt_notification_packet_end_borrow_packet_const(
269 const struct bt_notification *notification)
9e550e5f 270{
7b53201c 271 return bt_notification_packet_end_borrow_packet(
9e550e5f
PP
272 (void *) notification);
273}
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