2 * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
3 * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
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:
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
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
24 #define BT_LOG_TAG "EVENT"
25 #include <babeltrace/lib-logging-internal.h>
27 #include <babeltrace/assert-pre-internal.h>
28 #include <babeltrace/trace-ir/field-internal.h>
29 #include <babeltrace/trace-ir/field-class-internal.h>
30 #include <babeltrace/trace-ir/event-const.h>
31 #include <babeltrace/trace-ir/event-internal.h>
32 #include <babeltrace/trace-ir/event-class.h>
33 #include <babeltrace/trace-ir/event-class-internal.h>
34 #include <babeltrace/trace-ir/stream-class.h>
35 #include <babeltrace/trace-ir/stream-class-const.h>
36 #include <babeltrace/trace-ir/stream-class-internal.h>
37 #include <babeltrace/trace-ir/stream-internal.h>
38 #include <babeltrace/trace-ir/packet.h>
39 #include <babeltrace/trace-ir/packet-internal.h>
40 #include <babeltrace/trace-ir/trace.h>
41 #include <babeltrace/trace-ir/trace-internal.h>
42 #include <babeltrace/trace-ir/packet-internal.h>
43 #include <babeltrace/trace-ir/attributes-internal.h>
44 #include <babeltrace/assert-internal.h>
45 #include <babeltrace/compiler-internal.h>
49 void _bt_event_set_is_frozen(const struct bt_event
*event
, bool is_frozen
)
52 BT_LIB_LOGD("Setting event's frozen state: %!+e, is-frozen=%d",
55 if (event
->common_context_field
) {
56 BT_LOGD_STR("Setting event's common context field's frozen state.");
57 bt_field_set_is_frozen(
58 event
->common_context_field
, is_frozen
);
61 if (event
->specific_context_field
) {
62 BT_LOGD_STR("Setting event's specific context field's frozen state.");
63 bt_field_set_is_frozen(event
->specific_context_field
,
67 if (event
->payload_field
) {
68 BT_LOGD_STR("Setting event's payload field's frozen state.");
69 bt_field_set_is_frozen(event
->payload_field
,
73 ((struct bt_event
*) event
)->frozen
= is_frozen
;
74 BT_LOGD_STR("Setting event's packet's frozen state.");
75 bt_packet_set_is_frozen(event
->packet
, is_frozen
);
79 struct bt_event
*bt_event_new(struct bt_event_class
*event_class
)
81 struct bt_event
*event
= NULL
;
82 struct bt_stream_class
*stream_class
;
83 struct bt_field_class
*fc
;
85 BT_ASSERT(event_class
);
86 event
= g_new0(struct bt_event
, 1);
88 BT_LOGE_STR("Failed to allocate one event.");
92 bt_object_init_unique(&event
->base
);
93 stream_class
= bt_event_class_borrow_stream_class(event_class
);
94 BT_ASSERT(stream_class
);
95 fc
= stream_class
->event_common_context_fc
;
97 event
->common_context_field
= bt_field_create(fc
);
98 if (!event
->common_context_field
) {
99 /* bt_field_create() logs errors */
104 fc
= event_class
->specific_context_fc
;
106 event
->specific_context_field
= bt_field_create(fc
);
107 if (!event
->specific_context_field
) {
108 /* bt_field_create() logs errors */
113 fc
= event_class
->payload_fc
;
115 event
->payload_field
= bt_field_create(fc
);
116 if (!event
->payload_field
) {
117 /* bt_field_create() logs errors */
126 bt_event_destroy(event
);
134 struct bt_event_class
*bt_event_borrow_class(struct bt_event
*event
)
136 BT_ASSERT_PRE_NON_NULL(event
, "Event");
140 const struct bt_event_class
*bt_event_borrow_class_const(
141 const struct bt_event
*event
)
143 return bt_event_borrow_class((void *) event
);
146 struct bt_stream
*bt_event_borrow_stream(struct bt_event
*event
)
148 BT_ASSERT_PRE_NON_NULL(event
, "Event");
149 return event
->packet
? event
->packet
->stream
: NULL
;
152 const struct bt_stream
*bt_event_borrow_stream_const(
153 const struct bt_event
*event
)
155 return bt_event_borrow_stream((void *) event
);
158 struct bt_field
*bt_event_borrow_common_context_field(struct bt_event
*event
)
160 BT_ASSERT_PRE_NON_NULL(event
, "Event");
161 return event
->common_context_field
;
164 const struct bt_field
*bt_event_borrow_common_context_field_const(
165 const struct bt_event
*event
)
167 BT_ASSERT_PRE_NON_NULL(event
, "Event");
168 return event
->common_context_field
;
171 struct bt_field
*bt_event_borrow_specific_context_field(struct bt_event
*event
)
173 BT_ASSERT_PRE_NON_NULL(event
, "Event");
174 return event
->specific_context_field
;
177 const struct bt_field
*bt_event_borrow_specific_context_field_const(
178 const struct bt_event
*event
)
180 BT_ASSERT_PRE_NON_NULL(event
, "Event");
181 return event
->specific_context_field
;
184 struct bt_field
*bt_event_borrow_payload_field(struct bt_event
*event
)
186 BT_ASSERT_PRE_NON_NULL(event
, "Event");
187 return event
->payload_field
;
190 const struct bt_field
*bt_event_borrow_payload_field_const(
191 const struct bt_event
*event
)
193 BT_ASSERT_PRE_NON_NULL(event
, "Event");
194 return event
->payload_field
;
198 void bt_event_destroy(struct bt_event
*event
)
201 BT_LIB_LOGD("Destroying event: %!+e", event
);
203 if (event
->common_context_field
) {
204 BT_LOGD_STR("Destroying event's stream event context field.");
205 bt_field_destroy(event
->common_context_field
);
206 event
->common_context_field
= NULL
;
209 if (event
->specific_context_field
) {
210 BT_LOGD_STR("Destroying event's context field.");
211 bt_field_destroy(event
->specific_context_field
);
212 event
->specific_context_field
= NULL
;
215 if (event
->payload_field
) {
216 BT_LOGD_STR("Destroying event's payload field.");
217 bt_field_destroy(event
->payload_field
);
218 event
->payload_field
= NULL
;
221 BT_LOGD_STR("Putting event's class.");
222 bt_object_put_ref(event
->class);
223 BT_LOGD_STR("Putting event's packet.");
224 BT_OBJECT_PUT_REF_AND_RESET(event
->packet
);
228 struct bt_packet
*bt_event_borrow_packet(struct bt_event
*event
)
230 BT_ASSERT_PRE_NON_NULL(event
, "Event");
231 return event
->packet
;
234 const struct bt_packet
*bt_event_borrow_packet_const(
235 const struct bt_event
*event
)
237 return bt_event_borrow_packet((void *) event
);
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