lib: add discarded events message
[babeltrace.git] / lib / graph / message / discarded-items.c
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4c833281
PP
1/*
2 * Copyright 2019 Philippe Proulx <pproulx@efficios.com>
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
23#define BT_LOG_TAG "MSG-DISCARDED-ITEMS"
24#include <babeltrace/lib-logging-internal.h>
25
26#include <babeltrace/assert-pre-internal.h>
27#include <babeltrace/object-internal.h>
28#include <babeltrace/compiler-internal.h>
29#include <babeltrace/trace-ir/clock-class.h>
30#include <babeltrace/trace-ir/clock-snapshot-internal.h>
31#include <babeltrace/trace-ir/stream-class-internal.h>
32#include <babeltrace/trace-ir/stream-internal.h>
33#include <babeltrace/property-internal.h>
34#include <babeltrace/graph/message-internal.h>
35#include <babeltrace/graph/message-discarded-items-internal.h>
36#include <babeltrace/graph/message-discarded-events.h>
37#include <babeltrace/graph/message-discarded-events-const.h>
38
39static
40void destroy_discarded_items_message(struct bt_object *obj)
41{
42 struct bt_message_discarded_items *message = (void *) obj;
43
44 BT_LIB_LOGD("Destroying discarded items message: %!+n", message);
45 BT_LIB_LOGD("Putting stream: %!+s", message->stream);
46 BT_OBJECT_PUT_REF_AND_RESET(message->stream);
47
48 if (message->default_begin_cs) {
49 bt_clock_snapshot_recycle(message->default_begin_cs);
50 message->default_begin_cs = NULL;
51 }
52
53 if (message->default_end_cs) {
54 bt_clock_snapshot_recycle(message->default_end_cs);
55 message->default_end_cs = NULL;
56 }
57
58 g_free(message);
59}
60
61static inline
62struct bt_message *create_discarded_items_message(
63 struct bt_self_message_iterator *self_msg_iter,
64 enum bt_message_type type, struct bt_stream *stream,
65 bool with_cs,
66 uint64_t beginning_raw_value, uint64_t end_raw_value)
67{
68 struct bt_message_discarded_items *message;
69 struct bt_stream_class *stream_class;
70
71 BT_ASSERT_PRE_NON_NULL(self_msg_iter, "Message iterator");
72 BT_ASSERT_PRE_NON_NULL(stream, "Stream");
73 stream_class = bt_stream_borrow_class(stream);
74 BT_ASSERT(stream_class);
75 BT_LIB_LOGD("Creating discarded items message object: "
76 "type=%s, %![stream-]+s, %![sc-]+S, with-cs=%d, "
77 "cs-begin-val=%" PRIu64 ", cs-end-val=%" PRIu64,
78 bt_message_type_string(type), stream, stream_class,
79 with_cs, beginning_raw_value, end_raw_value);
80 message = g_new0(struct bt_message_discarded_items, 1);
81 if (!message) {
82 BT_LOGE_STR("Failed to allocate one discarded items message.");
83 goto error;
84 }
85
86 bt_message_init(&message->parent, type,
87 destroy_discarded_items_message, NULL);
88 message->stream = stream;
89 bt_object_get_no_null_check(message->stream);
90
91 if (with_cs) {
92 message->default_begin_cs = bt_clock_snapshot_create(
93 stream_class->default_clock_class);
94 if (!message->default_begin_cs) {
95 goto error;
96 }
97
98 bt_clock_snapshot_set_raw_value(message->default_begin_cs,
99 beginning_raw_value);
100
101 message->default_end_cs = bt_clock_snapshot_create(
102 stream_class->default_clock_class);
103 if (!message->default_end_cs) {
104 goto error;
105 }
106
107 bt_clock_snapshot_set_raw_value(message->default_end_cs,
108 end_raw_value);
109 }
110
111 bt_property_uint_init(&message->count,
112 BT_PROPERTY_AVAILABILITY_NOT_AVAILABLE, 0);
113 BT_LIB_LOGD("Created discarded items message object: "
114 "%![msg-]+n, %![stream-]+s, %![sc-]+S", message,
115 stream, stream_class);
116
117 return (void *) &message->parent;
118
119error:
120 return NULL;
121}
122
123static inline
124struct bt_stream *borrow_discarded_items_message_stream(
125 struct bt_message *message)
126{
127 struct bt_message_discarded_items *disc_items_msg = (void *) message;
128
129 BT_ASSERT(message);
130 return disc_items_msg->stream;
131}
132
133static inline
134void set_discarded_items_message_count(struct bt_message *message,
135 uint64_t count)
136{
137 struct bt_message_discarded_items *disc_items_msg = (void *) message;
138
139 BT_ASSERT(message);
140 BT_ASSERT_PRE_HOT(message, "Message", ": %!+n", message);
141 bt_property_uint_set(&disc_items_msg->count, count);
142}
143
144static inline
145enum bt_property_availability get_discarded_items_message_count(
146 const struct bt_message *message, uint64_t *count)
147{
148 struct bt_message_discarded_items *disc_items_msg = (void *) message;
149
150 BT_ASSERT_PRE_NON_NULL(count, "Count (output)");
151 BT_ASSERT(message);
152 *count = disc_items_msg->count.value;
153 return disc_items_msg->count.base.avail;
154}
155
156static inline
157enum bt_clock_snapshot_state
158borrow_discarded_items_message_default_beginning_clock_snapshot_const(
159 const struct bt_message *message,
160 const struct bt_clock_snapshot **snapshot)
161{
162 struct bt_message_discarded_items *disc_items_msg = (void *) message;
163
164 BT_ASSERT(message);
165 BT_ASSERT_PRE(disc_items_msg->stream->class->default_clock_class,
166 "Message's stream's class has no default clock class: "
167 "%![msg-]+n, %![sc-]+S",
168 message, disc_items_msg->stream->class);
169 BT_ASSERT_PRE_NON_NULL(snapshot, "Clock snapshot (output)");
170 *snapshot = disc_items_msg->default_begin_cs;
171 return BT_CLOCK_SNAPSHOT_STATE_KNOWN;
172}
173
174static inline
175enum bt_clock_snapshot_state
176borrow_discarded_items_message_default_end_clock_snapshot_const(
177 const struct bt_message *message,
178 const struct bt_clock_snapshot **snapshot)
179{
180 struct bt_message_discarded_items *disc_items_msg = (void *) message;
181
182 BT_ASSERT(message);
183 BT_ASSERT_PRE(disc_items_msg->stream->class->default_clock_class,
184 "Message's stream's class has no default clock class: "
185 "%![msg-]+n, %![sc-]+S",
186 message, disc_items_msg->stream->class);
187 BT_ASSERT_PRE_NON_NULL(snapshot, "Clock snapshot (output)");
188 *snapshot = disc_items_msg->default_end_cs;
189 return BT_CLOCK_SNAPSHOT_STATE_KNOWN;
190}
191
192struct bt_message *bt_message_discarded_events_create(
193 struct bt_self_message_iterator *message_iterator,
194 struct bt_stream *stream)
195{
196 return create_discarded_items_message(message_iterator,
197 BT_MESSAGE_TYPE_DISCARDED_EVENTS, stream,
198 false, 0, 0);
199}
200
201struct bt_message *bt_message_discarded_events_create_with_default_clock_snapshots(
202 struct bt_self_message_iterator *message_iterator,
203 struct bt_stream *stream, uint64_t beginning_raw_value,
204 uint64_t end_raw_value)
205{
206 return create_discarded_items_message(message_iterator,
207 BT_MESSAGE_TYPE_DISCARDED_EVENTS, stream,
208 true, beginning_raw_value, end_raw_value);
209}
210
211struct bt_stream *bt_message_discarded_events_borrow_stream(
212 struct bt_message *message)
213{
214 BT_ASSERT_PRE_NON_NULL(message, "Message");
215 BT_ASSERT_PRE_MSG_IS_TYPE(message, BT_MESSAGE_TYPE_DISCARDED_EVENTS);
216 return borrow_discarded_items_message_stream(message);
217}
218
219void bt_message_discarded_events_set_count(struct bt_message *message,
220 uint64_t count)
221{
222 BT_ASSERT_PRE_NON_NULL(message, "Message");
223 BT_ASSERT_PRE_MSG_IS_TYPE(message, BT_MESSAGE_TYPE_DISCARDED_EVENTS);
224 set_discarded_items_message_count(message, count);
225}
226
227enum bt_clock_snapshot_state
228bt_message_discarded_events_borrow_default_beginning_clock_snapshot_const(
229 const struct bt_message *msg,
230 const struct bt_clock_snapshot **snapshot)
231{
232 BT_ASSERT_PRE_NON_NULL(msg, "Message");
233 BT_ASSERT_PRE_MSG_IS_TYPE(msg, BT_MESSAGE_TYPE_DISCARDED_EVENTS);
234 return borrow_discarded_items_message_default_beginning_clock_snapshot_const(
235 msg, snapshot);
236}
237
238enum bt_clock_snapshot_state
239bt_message_discarded_events_borrow_default_end_clock_snapshot_const(
240 const struct bt_message *msg,
241 const struct bt_clock_snapshot **snapshot)
242{
243 BT_ASSERT_PRE_NON_NULL(msg, "Message");
244 BT_ASSERT_PRE_MSG_IS_TYPE(msg, BT_MESSAGE_TYPE_DISCARDED_EVENTS);
245 return borrow_discarded_items_message_default_end_clock_snapshot_const(
246 msg, snapshot);
247}
248
249const struct bt_stream *
250bt_message_discarded_events_borrow_stream_const(const struct bt_message *message)
251{
252 return (void *) bt_message_discarded_events_borrow_stream(
253 (void *) message);
254}
255
256enum bt_property_availability bt_message_discarded_events_get_count(
257 const struct bt_message *message, uint64_t *count)
258{
259 BT_ASSERT_PRE_NON_NULL(message, "Message");
260 BT_ASSERT_PRE_MSG_IS_TYPE(message, BT_MESSAGE_TYPE_DISCARDED_EVENTS);
261 return get_discarded_items_message_count(message, count);
262}
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