2 * Copyright (C) 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
4 * SPDX-License-Identifier: LGPL-2.1-only
8 #include <lttng/condition/condition-internal.h>
9 #include <lttng/condition/session-consumed-size-internal.h>
10 #include <lttng/constant.h>
11 #include <common/macros.h>
12 #include <common/error.h>
18 #define IS_CONSUMED_SIZE_CONDITION(condition) ( \
19 lttng_condition_get_type(condition) == LTTNG_CONDITION_TYPE_SESSION_CONSUMED_SIZE \
22 #define IS_CONSUMED_SIZE_EVALUATION(evaluation) ( \
23 lttng_evaluation_get_type(evaluation) == LTTNG_CONDITION_TYPE_SESSION_CONSUMED_SIZE \
27 void lttng_condition_session_consumed_size_destroy(struct lttng_condition
*condition
)
29 struct lttng_condition_session_consumed_size
*consumed_size
;
31 consumed_size
= container_of(condition
,
32 struct lttng_condition_session_consumed_size
, parent
);
34 free(consumed_size
->session_name
);
39 bool lttng_condition_session_consumed_size_validate(
40 const struct lttng_condition
*condition
)
43 struct lttng_condition_session_consumed_size
*consumed
;
49 consumed
= container_of(condition
, struct lttng_condition_session_consumed_size
,
51 if (!consumed
->session_name
) {
52 ERR("Invalid session consumed size condition: a target session name must be set.");
55 if (!consumed
->consumed_threshold_bytes
.set
) {
56 ERR("Invalid session consumed size condition: a threshold must be set.");
66 int lttng_condition_session_consumed_size_serialize(
67 const struct lttng_condition
*condition
,
68 struct lttng_payload
*payload
)
71 size_t session_name_len
;
72 struct lttng_condition_session_consumed_size
*consumed
;
73 struct lttng_condition_session_consumed_size_comm consumed_comm
;
75 if (!condition
|| !IS_CONSUMED_SIZE_CONDITION(condition
)) {
80 DBG("Serializing session consumed size condition");
81 consumed
= container_of(condition
,
82 struct lttng_condition_session_consumed_size
,
85 session_name_len
= strlen(consumed
->session_name
) + 1;
86 if (session_name_len
> LTTNG_NAME_MAX
) {
91 consumed_comm
.consumed_threshold_bytes
=
92 consumed
->consumed_threshold_bytes
.value
;
93 consumed_comm
.session_name_len
= (uint32_t) session_name_len
;
95 ret
= lttng_dynamic_buffer_append(&payload
->buffer
, &consumed_comm
,
96 sizeof(consumed_comm
));
101 ret
= lttng_dynamic_buffer_append(&payload
->buffer
, consumed
->session_name
,
111 bool lttng_condition_session_consumed_size_is_equal(const struct lttng_condition
*_a
,
112 const struct lttng_condition
*_b
)
114 bool is_equal
= false;
115 struct lttng_condition_session_consumed_size
*a
, *b
;
117 a
= container_of(_a
, struct lttng_condition_session_consumed_size
, parent
);
118 b
= container_of(_b
, struct lttng_condition_session_consumed_size
, parent
);
120 if (a
->consumed_threshold_bytes
.set
&& b
->consumed_threshold_bytes
.set
) {
121 uint64_t a_value
, b_value
;
123 a_value
= a
->consumed_threshold_bytes
.value
;
124 b_value
= b
->consumed_threshold_bytes
.value
;
125 if (a_value
!= b_value
) {
130 assert(a
->session_name
);
131 assert(b
->session_name
);
132 if (strcmp(a
->session_name
, b
->session_name
)) {
141 struct lttng_condition
*lttng_condition_session_consumed_size_create(void)
143 struct lttng_condition_session_consumed_size
*condition
;
145 condition
= zmalloc(sizeof(struct lttng_condition_session_consumed_size
));
150 lttng_condition_init(&condition
->parent
, LTTNG_CONDITION_TYPE_SESSION_CONSUMED_SIZE
);
151 condition
->parent
.validate
= lttng_condition_session_consumed_size_validate
;
152 condition
->parent
.serialize
= lttng_condition_session_consumed_size_serialize
;
153 condition
->parent
.equal
= lttng_condition_session_consumed_size_is_equal
;
154 condition
->parent
.destroy
= lttng_condition_session_consumed_size_destroy
;
155 return &condition
->parent
;
159 ssize_t
init_condition_from_payload(struct lttng_condition
*condition
,
160 struct lttng_payload_view
*src_view
)
162 ssize_t ret
, condition_size
;
163 enum lttng_condition_status status
;
164 const struct lttng_condition_session_consumed_size_comm
*condition_comm
;
165 const char *session_name
;
166 struct lttng_buffer_view names_view
;
168 if (src_view
->buffer
.size
< sizeof(*condition_comm
)) {
169 ERR("Failed to initialize from malformed condition buffer: buffer too short to contain header");
174 condition_comm
= (typeof(condition_comm
)) src_view
->buffer
.data
;
175 names_view
= lttng_buffer_view_from_view(&src_view
->buffer
,
176 sizeof(*condition_comm
), -1);
178 if (condition_comm
->session_name_len
> LTTNG_NAME_MAX
) {
179 ERR("Failed to initialize from malformed condition buffer: name exceeds LTTNG_MAX_NAME");
184 if (names_view
.size
< condition_comm
->session_name_len
) {
185 ERR("Failed to initialize from malformed condition buffer: buffer too short to contain element names");
190 status
= lttng_condition_session_consumed_size_set_threshold(condition
,
191 condition_comm
->consumed_threshold_bytes
);
192 if (status
!= LTTNG_CONDITION_STATUS_OK
) {
193 ERR("Failed to initialize session consumed size condition threshold");
198 session_name
= names_view
.data
;
199 if (*(session_name
+ condition_comm
->session_name_len
- 1) != '\0') {
200 ERR("Malformed session name encountered in condition buffer");
205 status
= lttng_condition_session_consumed_size_set_session_name(condition
,
207 if (status
!= LTTNG_CONDITION_STATUS_OK
) {
208 ERR("Failed to set session consumed size condition's session name");
213 if (!lttng_condition_validate(condition
)) {
218 condition_size
= sizeof(*condition_comm
) +
219 (ssize_t
) condition_comm
->session_name_len
;
220 ret
= condition_size
;
226 ssize_t
lttng_condition_session_consumed_size_create_from_payload(
227 struct lttng_payload_view
*view
,
228 struct lttng_condition
**_condition
)
231 struct lttng_condition
*condition
=
232 lttng_condition_session_consumed_size_create();
234 if (!_condition
|| !condition
) {
239 ret
= init_condition_from_payload(condition
, view
);
244 *_condition
= condition
;
247 lttng_condition_destroy(condition
);
252 struct lttng_evaluation
*create_evaluation_from_payload(
253 const struct lttng_payload_view
*view
)
255 const struct lttng_evaluation_session_consumed_size_comm
*comm
=
256 (typeof(comm
)) view
->buffer
.data
;
257 struct lttng_evaluation
*evaluation
= NULL
;
259 if (view
->buffer
.size
< sizeof(*comm
)) {
263 evaluation
= lttng_evaluation_session_consumed_size_create(
264 comm
->session_consumed
);
270 ssize_t
lttng_evaluation_session_consumed_size_create_from_payload(
271 struct lttng_payload_view
*view
,
272 struct lttng_evaluation
**_evaluation
)
275 struct lttng_evaluation
*evaluation
= NULL
;
282 evaluation
= create_evaluation_from_payload(view
);
288 *_evaluation
= evaluation
;
289 ret
= sizeof(struct lttng_evaluation_session_consumed_size_comm
);
292 lttng_evaluation_destroy(evaluation
);
296 enum lttng_condition_status
297 lttng_condition_session_consumed_size_get_threshold(
298 const struct lttng_condition
*condition
,
299 uint64_t *consumed_threshold_bytes
)
301 struct lttng_condition_session_consumed_size
*consumed
;
302 enum lttng_condition_status status
= LTTNG_CONDITION_STATUS_OK
;
304 if (!condition
|| !IS_CONSUMED_SIZE_CONDITION(condition
) || !consumed_threshold_bytes
) {
305 status
= LTTNG_CONDITION_STATUS_INVALID
;
309 consumed
= container_of(condition
, struct lttng_condition_session_consumed_size
,
311 if (!consumed
->consumed_threshold_bytes
.set
) {
312 status
= LTTNG_CONDITION_STATUS_UNSET
;
315 *consumed_threshold_bytes
= consumed
->consumed_threshold_bytes
.value
;
320 enum lttng_condition_status
321 lttng_condition_session_consumed_size_set_threshold(
322 struct lttng_condition
*condition
, uint64_t consumed_threshold_bytes
)
324 struct lttng_condition_session_consumed_size
*consumed
;
325 enum lttng_condition_status status
= LTTNG_CONDITION_STATUS_OK
;
327 if (!condition
|| !IS_CONSUMED_SIZE_CONDITION(condition
)) {
328 status
= LTTNG_CONDITION_STATUS_INVALID
;
332 consumed
= container_of(condition
, struct lttng_condition_session_consumed_size
,
334 consumed
->consumed_threshold_bytes
.set
= true;
335 consumed
->consumed_threshold_bytes
.value
= consumed_threshold_bytes
;
340 enum lttng_condition_status
341 lttng_condition_session_consumed_size_get_session_name(
342 const struct lttng_condition
*condition
,
343 const char **session_name
)
345 struct lttng_condition_session_consumed_size
*consumed
;
346 enum lttng_condition_status status
= LTTNG_CONDITION_STATUS_OK
;
348 if (!condition
|| !IS_CONSUMED_SIZE_CONDITION(condition
) || !session_name
) {
349 status
= LTTNG_CONDITION_STATUS_INVALID
;
353 consumed
= container_of(condition
, struct lttng_condition_session_consumed_size
,
355 if (!consumed
->session_name
) {
356 status
= LTTNG_CONDITION_STATUS_UNSET
;
359 *session_name
= consumed
->session_name
;
364 enum lttng_condition_status
365 lttng_condition_session_consumed_size_set_session_name(
366 struct lttng_condition
*condition
, const char *session_name
)
368 char *session_name_copy
;
369 struct lttng_condition_session_consumed_size
*consumed
;
370 enum lttng_condition_status status
= LTTNG_CONDITION_STATUS_OK
;
372 if (!condition
|| !IS_CONSUMED_SIZE_CONDITION(condition
) ||
373 !session_name
|| strlen(session_name
) == 0) {
374 status
= LTTNG_CONDITION_STATUS_INVALID
;
378 consumed
= container_of(condition
, struct lttng_condition_session_consumed_size
,
380 session_name_copy
= strdup(session_name
);
381 if (!session_name_copy
) {
382 status
= LTTNG_CONDITION_STATUS_ERROR
;
386 if (consumed
->session_name
) {
387 free(consumed
->session_name
);
389 consumed
->session_name
= session_name_copy
;
395 int lttng_evaluation_session_consumed_size_serialize(
396 const struct lttng_evaluation
*evaluation
,
397 struct lttng_payload
*payload
)
399 struct lttng_evaluation_session_consumed_size
*consumed
;
400 struct lttng_evaluation_session_consumed_size_comm comm
;
402 consumed
= container_of(evaluation
,
403 struct lttng_evaluation_session_consumed_size
, parent
);
404 comm
.session_consumed
= consumed
->session_consumed
;
405 return lttng_dynamic_buffer_append(
406 &payload
->buffer
, &comm
, sizeof(comm
));
410 void lttng_evaluation_session_consumed_size_destroy(
411 struct lttng_evaluation
*evaluation
)
413 struct lttng_evaluation_session_consumed_size
*consumed
;
415 consumed
= container_of(evaluation
, struct lttng_evaluation_session_consumed_size
,
421 struct lttng_evaluation
*lttng_evaluation_session_consumed_size_create(
424 struct lttng_evaluation_session_consumed_size
*consumed_eval
;
426 consumed_eval
= zmalloc(sizeof(struct lttng_evaluation_session_consumed_size
));
427 if (!consumed_eval
) {
431 consumed_eval
->parent
.type
= LTTNG_CONDITION_TYPE_SESSION_CONSUMED_SIZE
;
432 consumed_eval
->session_consumed
= consumed
;
433 consumed_eval
->parent
.serialize
= lttng_evaluation_session_consumed_size_serialize
;
434 consumed_eval
->parent
.destroy
= lttng_evaluation_session_consumed_size_destroy
;
436 return &consumed_eval
->parent
;
439 enum lttng_evaluation_status
440 lttng_evaluation_session_consumed_size_get_consumed_size(
441 const struct lttng_evaluation
*evaluation
,
442 uint64_t *session_consumed
)
444 struct lttng_evaluation_session_consumed_size
*consumed
;
445 enum lttng_evaluation_status status
= LTTNG_EVALUATION_STATUS_OK
;
447 if (!evaluation
|| !IS_CONSUMED_SIZE_EVALUATION(evaluation
) ||
449 status
= LTTNG_EVALUATION_STATUS_INVALID
;
453 consumed
= container_of(evaluation
, struct lttng_evaluation_session_consumed_size
,
455 *session_consumed
= consumed
->session_consumed
;