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 "LIB/EVENT"
25 #include "lib/logging.h"
27 #include "lib/assert-pre.h"
28 #include <babeltrace2/trace-ir/event-const.h>
29 #include <babeltrace2/trace-ir/event-class.h>
30 #include <babeltrace2/trace-ir/stream-class.h>
31 #include <babeltrace2/trace-ir/stream-class-const.h>
32 #include <babeltrace2/trace-ir/packet.h>
33 #include <babeltrace2/trace-ir/trace.h>
34 #include "common/assert.h"
35 #include "compat/compiler.h"
40 #include "field-class.h"
42 #include "stream-class.h"
47 #include "attributes.h"
48 #include "event-class.h"
51 void _bt_event_set_is_frozen(const struct bt_event
*event
, bool is_frozen
)
54 BT_LIB_LOGD("Setting event's frozen state: %!+e, is-frozen=%d",
57 if (event
->common_context_field
) {
58 BT_LOGD_STR("Setting event's common context field's frozen state.");
59 bt_field_set_is_frozen(
60 event
->common_context_field
, is_frozen
);
63 if (event
->specific_context_field
) {
64 BT_LOGD_STR("Setting event's specific context field's frozen state.");
65 bt_field_set_is_frozen(event
->specific_context_field
,
69 if (event
->payload_field
) {
70 BT_LOGD_STR("Setting event's payload field's frozen state.");
71 bt_field_set_is_frozen(event
->payload_field
,
75 ((struct bt_event
*) event
)->frozen
= is_frozen
;
78 BT_LOGD_STR("Setting event's packet's frozen state.");
79 bt_packet_set_is_frozen(event
->packet
, is_frozen
);
84 struct bt_event
*bt_event_new(struct bt_event_class
*event_class
)
86 struct bt_event
*event
= NULL
;
87 struct bt_stream_class
*stream_class
;
88 struct bt_field_class
*fc
;
90 BT_ASSERT(event_class
);
91 event
= g_new0(struct bt_event
, 1);
93 BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one event.");
97 bt_object_init_unique(&event
->base
);
98 stream_class
= bt_event_class_borrow_stream_class(event_class
);
99 BT_ASSERT(stream_class
);
100 fc
= stream_class
->event_common_context_fc
;
102 event
->common_context_field
= bt_field_create(fc
);
103 if (!event
->common_context_field
) {
104 /* bt_field_create() logs errors */
109 fc
= event_class
->specific_context_fc
;
111 event
->specific_context_field
= bt_field_create(fc
);
112 if (!event
->specific_context_field
) {
113 /* bt_field_create() logs errors */
118 fc
= event_class
->payload_fc
;
120 event
->payload_field
= bt_field_create(fc
);
121 if (!event
->payload_field
) {
122 /* bt_field_create() logs errors */
131 bt_event_destroy(event
);
139 struct bt_event_class
*bt_event_borrow_class(struct bt_event
*event
)
141 BT_ASSERT_PRE_DEV_NON_NULL(event
, "Event");
145 const struct bt_event_class
*bt_event_borrow_class_const(
146 const struct bt_event
*event
)
148 return bt_event_borrow_class((void *) event
);
151 struct bt_stream
*bt_event_borrow_stream(struct bt_event
*event
)
153 BT_ASSERT_PRE_DEV_NON_NULL(event
, "Event");
154 return event
->stream
;
157 const struct bt_stream
*bt_event_borrow_stream_const(
158 const struct bt_event
*event
)
160 return bt_event_borrow_stream((void *) event
);
163 struct bt_field
*bt_event_borrow_common_context_field(struct bt_event
*event
)
165 BT_ASSERT_PRE_DEV_NON_NULL(event
, "Event");
166 return event
->common_context_field
;
169 const struct bt_field
*bt_event_borrow_common_context_field_const(
170 const struct bt_event
*event
)
172 BT_ASSERT_PRE_DEV_NON_NULL(event
, "Event");
173 return event
->common_context_field
;
176 struct bt_field
*bt_event_borrow_specific_context_field(struct bt_event
*event
)
178 BT_ASSERT_PRE_DEV_NON_NULL(event
, "Event");
179 return event
->specific_context_field
;
182 const struct bt_field
*bt_event_borrow_specific_context_field_const(
183 const struct bt_event
*event
)
185 BT_ASSERT_PRE_DEV_NON_NULL(event
, "Event");
186 return event
->specific_context_field
;
189 struct bt_field
*bt_event_borrow_payload_field(struct bt_event
*event
)
191 BT_ASSERT_PRE_DEV_NON_NULL(event
, "Event");
192 return event
->payload_field
;
195 const struct bt_field
*bt_event_borrow_payload_field_const(
196 const struct bt_event
*event
)
198 BT_ASSERT_PRE_DEV_NON_NULL(event
, "Event");
199 return event
->payload_field
;
203 void bt_event_destroy(struct bt_event
*event
)
206 BT_LIB_LOGD("Destroying event: %!+e", event
);
208 if (event
->common_context_field
) {
209 BT_LOGD_STR("Destroying event's stream event context field.");
210 bt_field_destroy(event
->common_context_field
);
211 event
->common_context_field
= NULL
;
214 if (event
->specific_context_field
) {
215 BT_LOGD_STR("Destroying event's context field.");
216 bt_field_destroy(event
->specific_context_field
);
217 event
->specific_context_field
= NULL
;
220 if (event
->payload_field
) {
221 BT_LOGD_STR("Destroying event's payload field.");
222 bt_field_destroy(event
->payload_field
);
223 event
->payload_field
= NULL
;
226 BT_LOGD_STR("Putting event's class.");
227 bt_object_put_ref(event
->class);
228 BT_LOGD_STR("Putting event's packet.");
229 BT_OBJECT_PUT_REF_AND_RESET(event
->packet
);
230 BT_LOGD_STR("Putting event's stream.");
231 BT_OBJECT_PUT_REF_AND_RESET(event
->stream
);
235 struct bt_packet
*bt_event_borrow_packet(struct bt_event
*event
)
237 BT_ASSERT_PRE_DEV_NON_NULL(event
, "Event");
238 return event
->packet
;
241 const struct bt_packet
*bt_event_borrow_packet_const(
242 const struct bt_event
*event
)
244 return bt_event_borrow_packet((void *) event
);
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