#include <common/payload-view.hpp>
#include <common/payload.hpp>
#include <common/snapshot.hpp>
-#include <inttypes.h>
+
#include <lttng/action/action-internal.hpp>
#include <lttng/action/rate-policy-internal.hpp>
#include <lttng/action/rate-policy.h>
#include <lttng/snapshot-internal.hpp>
#include <lttng/snapshot.h>
+#include <inttypes.h>
+
#define IS_SNAPSHOT_SESSION_ACTION(action) \
(lttng_action_get_type(action) == LTTNG_ACTION_TYPE_SNAPSHOT_SESSION)
} /* namespace */
static const struct lttng_rate_policy *
-lttng_action_snapshot_session_internal_get_rate_policy(
- const struct lttng_action *action);
+lttng_action_snapshot_session_internal_get_rate_policy(const struct lttng_action *action);
static struct lttng_action_snapshot_session *
action_snapshot_session_from_action(struct lttng_action *action)
{
LTTNG_ASSERT(action);
- return container_of(
- action, struct lttng_action_snapshot_session, parent);
+ return lttng::utils::container_of(action, <tng_action_snapshot_session::parent);
}
static const struct lttng_action_snapshot_session *
{
LTTNG_ASSERT(action);
- return container_of(
- action, struct lttng_action_snapshot_session, parent);
+ return lttng::utils::container_of(action, <tng_action_snapshot_session::parent);
}
static bool lttng_action_snapshot_session_validate(struct lttng_action *action)
/* A non-empty session name is mandatory. */
if (!action_snapshot_session->session_name ||
- strlen(action_snapshot_session->session_name) == 0) {
+ strlen(action_snapshot_session->session_name) == 0) {
goto end;
}
if (action_snapshot_session->output &&
- !lttng_snapshot_output_validate(action_snapshot_session->output)) {
+ !lttng_snapshot_output_validate(action_snapshot_session->output)) {
goto end;
}
return valid;
}
-static bool lttng_action_snapshot_session_is_equal(
- const struct lttng_action *_a, const struct lttng_action *_b)
+static bool lttng_action_snapshot_session_is_equal(const struct lttng_action *_a,
+ const struct lttng_action *_b)
{
bool is_equal = false;
const struct lttng_action_snapshot_session *a, *b;
goto end;
}
- if (a->output && b->output &&
- !lttng_snapshot_output_is_equal(a->output, b->output)) {
+ if (a->output && b->output && !lttng_snapshot_output_is_equal(a->output, b->output)) {
goto end;
} else if (!!a->output != !!b->output) {
goto end;
return str ? strlen(str) + 1 : 0;
}
-static int lttng_action_snapshot_session_serialize(
- struct lttng_action *action, struct lttng_payload *payload)
+static int lttng_action_snapshot_session_serialize(struct lttng_action *action,
+ struct lttng_payload *payload)
{
struct lttng_action_snapshot_session *action_snapshot_session;
struct lttng_action_snapshot_session_comm comm = {};
size_before_comm = payload->buffer.size;
action_snapshot_session = action_snapshot_session_from_action(action);
- comm.session_name_len =
- serialize_strlen(action_snapshot_session->session_name);
+ comm.session_name_len = serialize_strlen(action_snapshot_session->session_name);
/* Add header. */
- ret = lttng_dynamic_buffer_append(
- &payload->buffer, &comm, sizeof(comm));
+ ret = lttng_dynamic_buffer_append(&payload->buffer, &comm, sizeof(comm));
if (ret) {
goto end;
}
LTTNG_ASSERT(action_snapshot_session->session_name);
DBG("Serializing snapshot session action: session-name: %s",
- action_snapshot_session->session_name);
+ action_snapshot_session->session_name);
/* Add session name. */
- ret = lttng_dynamic_buffer_append(&payload->buffer,
- action_snapshot_session->session_name,
- comm.session_name_len);
+ ret = lttng_dynamic_buffer_append(
+ &payload->buffer, action_snapshot_session->session_name, comm.session_name_len);
if (ret) {
goto end;
}
const size_t size_before_output = payload->buffer.size;
struct lttng_action_snapshot_session_comm *comm_in_payload;
- ret = lttng_snapshot_output_serialize(
- action_snapshot_session->output,
- payload);
+ ret = lttng_snapshot_output_serialize(action_snapshot_session->output, payload);
if (ret) {
goto end;
}
- comm_in_payload = (typeof(comm_in_payload))(
- payload->buffer.data + size_before_comm);
+ comm_in_payload =
+ (typeof(comm_in_payload)) (payload->buffer.data + size_before_comm);
/* Adjust action length in header. */
- comm_in_payload->snapshot_output_len =
- payload->buffer.size - size_before_output;
+ comm_in_payload->snapshot_output_len = payload->buffer.size - size_before_output;
}
/* Serialize the rate policy. */
const size_t size_before_output = payload->buffer.size;
struct lttng_action_snapshot_session_comm *comm_in_payload;
- ret = lttng_rate_policy_serialize(
- action_snapshot_session->policy, payload);
+ ret = lttng_rate_policy_serialize(action_snapshot_session->policy, payload);
if (ret) {
ret = -1;
goto end;
}
- comm_in_payload = (typeof(comm_in_payload))(
- payload->buffer.data + size_before_comm);
+ comm_in_payload =
+ (typeof(comm_in_payload)) (payload->buffer.data + size_before_comm);
/* Adjust rate policy length in header. */
- comm_in_payload->rate_policy_len =
- payload->buffer.size - size_before_output;
+ comm_in_payload->rate_policy_len = payload->buffer.size - size_before_output;
}
end:
return;
}
-ssize_t lttng_action_snapshot_session_create_from_payload(
- struct lttng_payload_view *view,
- struct lttng_action **p_action)
+ssize_t lttng_action_snapshot_session_create_from_payload(struct lttng_payload_view *view,
+ struct lttng_action **p_action)
{
ssize_t consumed_len;
const char *variable_data;
struct lttng_action *action;
enum lttng_action_status status;
- struct lttng_snapshot_output *snapshot_output = NULL;
- struct lttng_rate_policy *policy = NULL;
+ struct lttng_snapshot_output *snapshot_output = nullptr;
+ struct lttng_rate_policy *policy = nullptr;
const struct lttng_action_snapshot_session_comm *comm;
const struct lttng_payload_view snapshot_session_comm_view =
- lttng_payload_view_from_view(
- view, 0, sizeof(*comm));
+ lttng_payload_view_from_view(view, 0, sizeof(*comm));
action = lttng_action_snapshot_session_create();
if (!action) {
consumed_len = sizeof(struct lttng_action_snapshot_session_comm);
if (!lttng_buffer_view_contains_string(
- &view->buffer, variable_data, comm->session_name_len)) {
+ &view->buffer, variable_data, comm->session_name_len)) {
goto error;
}
- status = lttng_action_snapshot_session_set_session_name(
- action, variable_data);
+ status = lttng_action_snapshot_session_set_session_name(action, variable_data);
if (status != LTTNG_ACTION_STATUS_OK) {
goto error;
}
ssize_t snapshot_output_consumed_len;
enum lttng_action_status action_status;
struct lttng_payload_view snapshot_output_buffer_view =
- lttng_payload_view_from_view(view, consumed_len,
- comm->snapshot_output_len);
+ lttng_payload_view_from_view(view, consumed_len, comm->snapshot_output_len);
if (!lttng_payload_view_is_valid(&snapshot_output_buffer_view)) {
ERR("Failed to create buffer view for snapshot output.");
goto error;
}
- snapshot_output_consumed_len =
- lttng_snapshot_output_create_from_payload(
- &snapshot_output_buffer_view,
- &snapshot_output);
+ snapshot_output_consumed_len = lttng_snapshot_output_create_from_payload(
+ &snapshot_output_buffer_view, &snapshot_output);
if (snapshot_output_consumed_len != comm->snapshot_output_len) {
ERR("Failed to deserialize snapshot output object: "
- "consumed-len: %zd, expected-len: %" PRIu32,
- snapshot_output_consumed_len,
- comm->snapshot_output_len);
+ "consumed-len: %zd, expected-len: %" PRIu32,
+ snapshot_output_consumed_len,
+ comm->snapshot_output_len);
goto error;
}
- action_status = lttng_action_snapshot_session_set_output(
- action, snapshot_output);
+ action_status = lttng_action_snapshot_session_set_output(action, snapshot_output);
if (action_status != LTTNG_ACTION_STATUS_OK) {
goto error;
}
/* Ownership has been transferred to the action. */
- snapshot_output = NULL;
+ snapshot_output = nullptr;
}
variable_data += comm->snapshot_output_len;
{
ssize_t rate_policy_consumed_len;
struct lttng_payload_view policy_view =
- lttng_payload_view_from_view(view, consumed_len,
- comm->rate_policy_len);
+ lttng_payload_view_from_view(view, consumed_len, comm->rate_policy_len);
if (!lttng_payload_view_is_valid(&policy_view)) {
ERR("Failed to create buffer view for rate policy.");
}
rate_policy_consumed_len =
- lttng_rate_policy_create_from_payload(
- &policy_view, &policy);
+ lttng_rate_policy_create_from_payload(&policy_view, &policy);
if (rate_policy_consumed_len < 0) {
goto error;
}
if (rate_policy_consumed_len != comm->rate_policy_len) {
ERR("Failed to deserialize rate policy object: "
"consumed-len: %zd, expected-len: %" PRIu32,
- rate_policy_consumed_len,
- comm->rate_policy_len);
+ rate_policy_consumed_len,
+ comm->rate_policy_len);
goto error;
}
- status = lttng_action_snapshot_session_set_rate_policy(
- action, policy);
+ status = lttng_action_snapshot_session_set_rate_policy(action, policy);
if (status != LTTNG_ACTION_STATUS_OK) {
goto error;
}
consumed_len += comm->rate_policy_len;
*p_action = action;
- action = NULL;
+ action = nullptr;
goto end;
return consumed_len;
}
-static enum lttng_error_code lttng_action_snapshot_session_mi_serialize(
- const struct lttng_action *action, struct mi_writer *writer)
+static enum lttng_error_code
+lttng_action_snapshot_session_mi_serialize(const struct lttng_action *action,
+ struct mi_writer *writer)
{
int ret;
enum lttng_error_code ret_code;
enum lttng_action_status status;
- const char *session_name = NULL;
- const struct lttng_snapshot_output *output = NULL;
- const struct lttng_rate_policy *policy = NULL;
+ const char *session_name = nullptr;
+ const struct lttng_snapshot_output *output = nullptr;
+ const struct lttng_rate_policy *policy = nullptr;
LTTNG_ASSERT(action);
LTTNG_ASSERT(IS_SNAPSHOT_SESSION_ACTION(action));
- status = lttng_action_snapshot_session_get_session_name(
- action, &session_name);
+ status = lttng_action_snapshot_session_get_session_name(action, &session_name);
LTTNG_ASSERT(status == LTTNG_ACTION_STATUS_OK);
- LTTNG_ASSERT(session_name != NULL);
+ LTTNG_ASSERT(session_name != nullptr);
status = lttng_action_snapshot_session_get_rate_policy(action, &policy);
LTTNG_ASSERT(status == LTTNG_ACTION_STATUS_OK);
- LTTNG_ASSERT(policy != NULL);
+ LTTNG_ASSERT(policy != nullptr);
/* Open action snapshot session element. */
- ret = mi_lttng_writer_open_element(
- writer, mi_lttng_element_action_snapshot_session);
+ ret = mi_lttng_writer_open_element(writer, mi_lttng_element_action_snapshot_session);
if (ret) {
goto mi_error;
}
/* Session name. */
ret = mi_lttng_writer_write_element_string(
- writer, mi_lttng_element_session_name, session_name);
+ writer, mi_lttng_element_session_name, session_name);
if (ret) {
goto mi_error;
}
/* Output if any. */
status = lttng_action_snapshot_session_get_output(action, &output);
if (status == LTTNG_ACTION_STATUS_OK) {
- LTTNG_ASSERT(output != NULL);
+ LTTNG_ASSERT(output != nullptr);
ret_code = lttng_snapshot_output_mi_serialize(output, writer);
if (ret_code != LTTNG_OK) {
goto end;
struct lttng_action *lttng_action_snapshot_session_create(void)
{
- struct lttng_action_snapshot_session *action_snapshot = NULL;
- struct lttng_rate_policy *policy = NULL;
+ struct lttng_action_snapshot_session *action_snapshot = nullptr;
+ struct lttng_rate_policy *policy = nullptr;
enum lttng_action_status status;
/* Create a every N = 1 rate policy. */
}
lttng_action_init(&action_snapshot->parent,
- LTTNG_ACTION_TYPE_SNAPSHOT_SESSION,
- lttng_action_snapshot_session_validate,
- lttng_action_snapshot_session_serialize,
- lttng_action_snapshot_session_is_equal,
- lttng_action_snapshot_session_destroy,
- lttng_action_snapshot_session_internal_get_rate_policy,
- lttng_action_generic_add_error_query_results,
- lttng_action_snapshot_session_mi_serialize);
-
- status = lttng_action_snapshot_session_set_rate_policy(
- &action_snapshot->parent, policy);
+ LTTNG_ACTION_TYPE_SNAPSHOT_SESSION,
+ lttng_action_snapshot_session_validate,
+ lttng_action_snapshot_session_serialize,
+ lttng_action_snapshot_session_is_equal,
+ lttng_action_snapshot_session_destroy,
+ lttng_action_snapshot_session_internal_get_rate_policy,
+ lttng_action_generic_add_error_query_results,
+ lttng_action_snapshot_session_mi_serialize);
+
+ status = lttng_action_snapshot_session_set_rate_policy(&action_snapshot->parent, policy);
if (status != LTTNG_ACTION_STATUS_OK) {
lttng_action_destroy(&action_snapshot->parent);
- action_snapshot = NULL;
+ action_snapshot = nullptr;
goto end;
}
return action_snapshot ? &action_snapshot->parent : nullptr;
}
-enum lttng_action_status lttng_action_snapshot_session_set_session_name(
- struct lttng_action *action, const char *session_name)
+enum lttng_action_status lttng_action_snapshot_session_set_session_name(struct lttng_action *action,
+ const char *session_name)
{
struct lttng_action_snapshot_session *action_snapshot_session;
enum lttng_action_status status;
if (!action || !IS_SNAPSHOT_SESSION_ACTION(action) || !session_name ||
- strlen(session_name) == 0) {
+ strlen(session_name) == 0) {
status = LTTNG_ACTION_STATUS_INVALID;
goto end;
}
return status;
}
-enum lttng_action_status lttng_action_snapshot_session_get_session_name(
- const struct lttng_action *action, const char **session_name)
+enum lttng_action_status
+lttng_action_snapshot_session_get_session_name(const struct lttng_action *action,
+ const char **session_name)
{
const struct lttng_action_snapshot_session *action_snapshot_session;
enum lttng_action_status status;
return status;
}
-enum lttng_action_status lttng_action_snapshot_session_set_output(
- struct lttng_action *action,
- struct lttng_snapshot_output *output)
+enum lttng_action_status
+lttng_action_snapshot_session_set_output(struct lttng_action *action,
+ struct lttng_snapshot_output *output)
{
struct lttng_action_snapshot_session *action_snapshot_session;
enum lttng_action_status status;
return status;
}
-enum lttng_action_status lttng_action_snapshot_session_get_output(
- const struct lttng_action *action,
- const struct lttng_snapshot_output **output)
+enum lttng_action_status
+lttng_action_snapshot_session_get_output(const struct lttng_action *action,
+ const struct lttng_snapshot_output **output)
{
const struct lttng_action_snapshot_session *action_snapshot_session;
enum lttng_action_status status;
- if (!action || !IS_SNAPSHOT_SESSION_ACTION(action)|| !output) {
+ if (!action || !IS_SNAPSHOT_SESSION_ACTION(action) || !output) {
status = LTTNG_ACTION_STATUS_INVALID;
goto end;
}
return status;
}
-enum lttng_action_status lttng_action_snapshot_session_set_rate_policy(
- struct lttng_action *action,
- const struct lttng_rate_policy *policy)
+enum lttng_action_status
+lttng_action_snapshot_session_set_rate_policy(struct lttng_action *action,
+ const struct lttng_rate_policy *policy)
{
enum lttng_action_status status;
struct lttng_action_snapshot_session *snapshot_session_action;
- struct lttng_rate_policy *copy = NULL;
+ struct lttng_rate_policy *copy = nullptr;
if (!action || !policy || !IS_SNAPSHOT_SESSION_ACTION(action)) {
status = LTTNG_ACTION_STATUS_INVALID;
/* Assign the policy. */
snapshot_session_action->policy = copy;
status = LTTNG_ACTION_STATUS_OK;
- copy = NULL;
+ copy = nullptr;
end:
lttng_rate_policy_destroy(copy);
return status;
}
-enum lttng_action_status lttng_action_snapshot_session_get_rate_policy(
- const struct lttng_action *action,
- const struct lttng_rate_policy **policy)
+enum lttng_action_status
+lttng_action_snapshot_session_get_rate_policy(const struct lttng_action *action,
+ const struct lttng_rate_policy **policy)
{
enum lttng_action_status status;
const struct lttng_action_snapshot_session *snapshot_session_action;
goto end;
}
- snapshot_session_action =
- action_snapshot_session_from_action_const(action);
+ snapshot_session_action = action_snapshot_session_from_action_const(action);
*policy = snapshot_session_action->policy;
status = LTTNG_ACTION_STATUS_OK;
}
static const struct lttng_rate_policy *
-lttng_action_snapshot_session_internal_get_rate_policy(
- const struct lttng_action *action)
+lttng_action_snapshot_session_internal_get_rate_policy(const struct lttng_action *action)
{
const struct lttng_action_snapshot_session *_action;
_action = action_snapshot_session_from_action_const(action);