2 * SPDX-License-Identifier: MIT
4 * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
5 * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 #define BT_LOG_TAG "LIB/EVENT"
9 #include "lib/logging.h"
11 #include "lib/assert-cond.h"
12 #include <babeltrace2/trace-ir/event.h>
13 #include <babeltrace2/trace-ir/event-class.h>
14 #include <babeltrace2/trace-ir/stream-class.h>
15 #include <babeltrace2/trace-ir/packet.h>
16 #include <babeltrace2/trace-ir/trace.h>
17 #include "common/assert.h"
18 #include "compat/compiler.h"
22 #include "field-class.h"
24 #include "stream-class.h"
28 #include "event-class.h"
30 void _bt_event_set_is_frozen(const struct bt_event
*event
, bool is_frozen
)
33 BT_LIB_LOGD("Setting event's frozen state: %!+e, is-frozen=%d",
36 if (event
->common_context_field
) {
37 BT_LOGD_STR("Setting event's common context field's frozen state.");
38 bt_field_set_is_frozen(
39 event
->common_context_field
, is_frozen
);
42 if (event
->specific_context_field
) {
43 BT_LOGD_STR("Setting event's specific context field's frozen state.");
44 bt_field_set_is_frozen(event
->specific_context_field
,
48 if (event
->payload_field
) {
49 BT_LOGD_STR("Setting event's payload field's frozen state.");
50 bt_field_set_is_frozen(event
->payload_field
,
54 ((struct bt_event
*) event
)->frozen
= is_frozen
;
57 BT_LOGD_STR("Setting event's packet's frozen state.");
58 bt_packet_set_is_frozen(event
->packet
, is_frozen
);
62 struct bt_event
*bt_event_new(struct bt_event_class
*event_class
)
64 struct bt_event
*event
= NULL
;
65 struct bt_stream_class
*stream_class
;
66 struct bt_field_class
*fc
;
68 BT_ASSERT(event_class
);
69 event
= g_new0(struct bt_event
, 1);
71 BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one event.");
75 bt_object_init_unique(&event
->base
);
76 stream_class
= bt_event_class_borrow_stream_class(event_class
);
77 BT_ASSERT(stream_class
);
78 fc
= stream_class
->event_common_context_fc
;
80 event
->common_context_field
= bt_field_create(fc
);
81 if (!event
->common_context_field
) {
82 /* bt_field_create() logs errors */
87 fc
= event_class
->specific_context_fc
;
89 event
->specific_context_field
= bt_field_create(fc
);
90 if (!event
->specific_context_field
) {
91 /* bt_field_create() logs errors */
96 fc
= event_class
->payload_fc
;
98 event
->payload_field
= bt_field_create(fc
);
99 if (!event
->payload_field
) {
100 /* bt_field_create() logs errors */
109 bt_event_destroy(event
);
118 struct bt_event_class
*bt_event_borrow_class(struct bt_event
*event
)
120 BT_ASSERT_PRE_DEV_EVENT_NON_NULL(event
);
125 const struct bt_event_class
*bt_event_borrow_class_const(
126 const struct bt_event
*event
)
128 return bt_event_borrow_class((void *) event
);
132 struct bt_stream
*bt_event_borrow_stream(struct bt_event
*event
)
134 BT_ASSERT_PRE_DEV_EVENT_NON_NULL(event
);
135 return event
->stream
;
139 const struct bt_stream
*bt_event_borrow_stream_const(
140 const struct bt_event
*event
)
142 return bt_event_borrow_stream((void *) event
);
146 struct bt_field
*bt_event_borrow_common_context_field(struct bt_event
*event
)
148 BT_ASSERT_PRE_DEV_EVENT_NON_NULL(event
);
149 return event
->common_context_field
;
153 const struct bt_field
*bt_event_borrow_common_context_field_const(
154 const struct bt_event
*event
)
156 BT_ASSERT_PRE_DEV_EVENT_NON_NULL(event
);
157 return event
->common_context_field
;
161 struct bt_field
*bt_event_borrow_specific_context_field(struct bt_event
*event
)
163 BT_ASSERT_PRE_DEV_EVENT_NON_NULL(event
);
164 return event
->specific_context_field
;
168 const struct bt_field
*bt_event_borrow_specific_context_field_const(
169 const struct bt_event
*event
)
171 BT_ASSERT_PRE_DEV_EVENT_NON_NULL(event
);
172 return event
->specific_context_field
;
176 struct bt_field
*bt_event_borrow_payload_field(struct bt_event
*event
)
178 BT_ASSERT_PRE_DEV_EVENT_NON_NULL(event
);
179 return event
->payload_field
;
183 const struct bt_field
*bt_event_borrow_payload_field_const(
184 const struct bt_event
*event
)
186 BT_ASSERT_PRE_DEV_EVENT_NON_NULL(event
);
187 return event
->payload_field
;
190 void bt_event_destroy(struct bt_event
*event
)
193 BT_LIB_LOGD("Destroying event: %!+e", event
);
195 if (event
->common_context_field
) {
196 BT_LOGD_STR("Destroying event's stream event context field.");
197 bt_field_destroy(event
->common_context_field
);
198 event
->common_context_field
= NULL
;
201 if (event
->specific_context_field
) {
202 BT_LOGD_STR("Destroying event's context field.");
203 bt_field_destroy(event
->specific_context_field
);
204 event
->specific_context_field
= NULL
;
207 if (event
->payload_field
) {
208 BT_LOGD_STR("Destroying event's payload field.");
209 bt_field_destroy(event
->payload_field
);
210 event
->payload_field
= NULL
;
213 BT_LOGD_STR("Putting event's class.");
214 bt_object_put_ref(event
->class);
215 BT_LOGD_STR("Putting event's packet.");
216 BT_OBJECT_PUT_REF_AND_RESET(event
->packet
);
217 BT_LOGD_STR("Putting event's stream.");
218 BT_OBJECT_PUT_REF_AND_RESET(event
->stream
);
223 struct bt_packet
*bt_event_borrow_packet(struct bt_event
*event
)
225 BT_ASSERT_PRE_DEV_EVENT_NON_NULL(event
);
226 return event
->packet
;
230 const struct bt_packet
*bt_event_borrow_packet_const(
231 const struct bt_event
*event
)
233 return bt_event_borrow_packet((void *) event
);
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