*
*/
-#include <assert.h>
#include <common/error.h>
#include <common/macros.h>
+#include <common/mi-lttng.h>
#include <common/payload-view.h>
#include <common/payload.h>
#include <common/snapshot.h>
#include <inttypes.h>
#include <lttng/action/action-internal.h>
-#include <lttng/action/firing-policy-internal.h>
-#include <lttng/action/firing-policy.h>
+#include <lttng/action/rate-policy-internal.h>
+#include <lttng/action/rate-policy.h>
#include <lttng/action/snapshot-session-internal.h>
#include <lttng/action/snapshot-session.h>
#include <lttng/snapshot-internal.h>
* Owned by this.
*/
struct lttng_snapshot_output *output;
- struct lttng_firing_policy *policy;
+ struct lttng_rate_policy *policy;
};
struct lttng_action_snapshot_session_comm {
/* All string lengths include the trailing \0. */
uint32_t session_name_len;
uint32_t snapshot_output_len;
- uint32_t firing_policy_len;
+ uint32_t rate_policy_len;
/*
* Variable data (all strings are null-terminated):
char data[];
} LTTNG_PACKED;
+static const struct lttng_rate_policy *
+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)
{
- assert(action);
+ LTTNG_ASSERT(action);
return container_of(
action, struct lttng_action_snapshot_session, parent);
static const struct lttng_action_snapshot_session *
action_snapshot_session_from_action_const(const struct lttng_action *action)
{
- assert(action);
+ LTTNG_ASSERT(action);
return container_of(
action, struct lttng_action_snapshot_session, parent);
b = action_snapshot_session_from_action_const(_b);
/* Action is not valid if this is not true. */
- assert(a->session_name);
- assert(b->session_name);
+ LTTNG_ASSERT(a->session_name);
+ LTTNG_ASSERT(b->session_name);
if (strcmp(a->session_name, b->session_name)) {
goto end;
}
goto end;
}
- is_equal = lttng_firing_policy_is_equal(a->policy, b->policy);
+ is_equal = lttng_rate_policy_is_equal(a->policy, b->policy);
end:
return is_equal;
}
int ret;
size_t size_before_comm;
- assert(action);
- assert(payload);
+ LTTNG_ASSERT(action);
+ LTTNG_ASSERT(payload);
size_before_comm = payload->buffer.size;
goto end;
}
- assert(action_snapshot_session->session_name);
+ LTTNG_ASSERT(action_snapshot_session->session_name);
DBG("Serializing snapshot session action: session-name: %s",
action_snapshot_session->session_name);
payload->buffer.size - size_before_output;
}
- /* Serialize the firing policy. */
+ /* Serialize the rate policy. */
{
const size_t size_before_output = payload->buffer.size;
struct lttng_action_snapshot_session_comm *comm_in_payload;
- ret = lttng_firing_policy_serialize(
+ ret = lttng_rate_policy_serialize(
action_snapshot_session->policy, payload);
if (ret) {
ret = -1;
comm_in_payload = (typeof(comm_in_payload))(
payload->buffer.data + size_before_comm);
- /* Adjust firing policy length in header. */
- comm_in_payload->firing_policy_len =
+ /* Adjust rate policy length in header. */
+ comm_in_payload->rate_policy_len =
payload->buffer.size - size_before_output;
}
free(action_snapshot_session->session_name);
lttng_snapshot_output_destroy(action_snapshot_session->output);
- lttng_firing_policy_destroy(action_snapshot_session->policy);
+ lttng_rate_policy_destroy(action_snapshot_session->policy);
free(action_snapshot_session);
end:
struct lttng_action *action;
enum lttng_action_status status;
struct lttng_snapshot_output *snapshot_output = NULL;
- struct lttng_firing_policy *policy = NULL;
+ struct lttng_rate_policy *policy = NULL;
const struct lttng_action_snapshot_session_comm *comm;
const struct lttng_payload_view snapshot_session_comm_view =
lttng_payload_view_from_view(
variable_data += comm->snapshot_output_len;
consumed_len += comm->snapshot_output_len;
- /* Firing policy. */
- if (comm->firing_policy_len <= 0) {
- ERR("Firing policy should be present.");
+ /* Rate policy. */
+ if (comm->rate_policy_len <= 0) {
+ ERR("Rate policy should be present.");
goto error;
}
{
- ssize_t firing_policy_consumed_len;
+ ssize_t rate_policy_consumed_len;
struct lttng_payload_view policy_view =
lttng_payload_view_from_view(view, consumed_len,
- comm->firing_policy_len);
+ comm->rate_policy_len);
if (!lttng_payload_view_is_valid(&policy_view)) {
- ERR("Failed to create buffer view for firing policy.");
+ ERR("Failed to create buffer view for rate policy.");
goto error;
}
- firing_policy_consumed_len =
- lttng_firing_policy_create_from_payload(
+ rate_policy_consumed_len =
+ lttng_rate_policy_create_from_payload(
&policy_view, &policy);
- if (firing_policy_consumed_len < 0) {
+ if (rate_policy_consumed_len < 0) {
goto error;
}
- if (firing_policy_consumed_len != comm->firing_policy_len) {
- ERR("Failed to deserialize firing policy object: "
+ if (rate_policy_consumed_len != comm->rate_policy_len) {
+ ERR("Failed to deserialize rate policy object: "
"consumed-len: %zd, expected-len: %" PRIu32,
- firing_policy_consumed_len,
- comm->firing_policy_len);
+ rate_policy_consumed_len,
+ comm->rate_policy_len);
goto error;
}
- status = lttng_action_snapshot_session_set_firing_policy(
+ status = lttng_action_snapshot_session_set_rate_policy(
action, policy);
if (status != LTTNG_ACTION_STATUS_OK) {
goto error;
}
}
- variable_data += comm->firing_policy_len;
- consumed_len += comm->firing_policy_len;
+ variable_data += comm->rate_policy_len;
+ consumed_len += comm->rate_policy_len;
*p_action = action;
action = NULL;
consumed_len = -1;
end:
- lttng_firing_policy_destroy(policy);
+ lttng_rate_policy_destroy(policy);
lttng_action_snapshot_session_destroy(action);
lttng_snapshot_output_destroy(snapshot_output);
return consumed_len;
}
+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;
+
+ LTTNG_ASSERT(action);
+ LTTNG_ASSERT(IS_SNAPSHOT_SESSION_ACTION(action));
+
+ status = lttng_action_snapshot_session_get_session_name(
+ action, &session_name);
+ LTTNG_ASSERT(status == LTTNG_ACTION_STATUS_OK);
+ LTTNG_ASSERT(session_name != NULL);
+
+ status = lttng_action_snapshot_session_get_rate_policy(action, &policy);
+ LTTNG_ASSERT(status == LTTNG_ACTION_STATUS_OK);
+ LTTNG_ASSERT(policy != NULL);
+
+ /* Open action snapshot session element. */
+ 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);
+ 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);
+ ret_code = lttng_snapshot_output_mi_serialize(output, writer);
+ if (ret_code != LTTNG_OK) {
+ goto end;
+ }
+ } else if (status != LTTNG_ACTION_STATUS_UNSET) {
+ /* This should not happen at this point. */
+ abort();
+ }
+
+ /* Rate policy. */
+ ret_code = lttng_rate_policy_mi_serialize(policy, writer);
+ if (ret_code != LTTNG_OK) {
+ goto end;
+ }
+
+ /* Close action_snapshot_session element. */
+ ret = mi_lttng_writer_close_element(writer);
+ if (ret) {
+ goto mi_error;
+ }
+
+ ret_code = LTTNG_OK;
+ goto end;
+
+mi_error:
+ ret_code = LTTNG_ERR_MI_IO_FAIL;
+end:
+ return ret_code;
+}
+
struct lttng_action *lttng_action_snapshot_session_create(void)
{
struct lttng_action *action = NULL;
- struct lttng_firing_policy *policy = NULL;
+ struct lttng_rate_policy *policy = NULL;
enum lttng_action_status status;
- /* Create a every N = 1 firing policy. */
- policy = lttng_firing_policy_every_n_create(1);
+ /* Create a every N = 1 rate policy. */
+ policy = lttng_rate_policy_every_n_create(1);
if (!policy) {
goto end;
}
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_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_firing_policy(
- action, policy);
+ status = lttng_action_snapshot_session_set_rate_policy(action, policy);
if (status != LTTNG_ACTION_STATUS_OK) {
free(action);
action = NULL;
}
end:
- lttng_firing_policy_destroy(policy);
+ lttng_rate_policy_destroy(policy);
return action;
}
return status;
}
-enum lttng_action_status lttng_action_snapshot_session_set_firing_policy(
+enum lttng_action_status lttng_action_snapshot_session_set_rate_policy(
struct lttng_action *action,
- const struct lttng_firing_policy *policy)
+ const struct lttng_rate_policy *policy)
{
enum lttng_action_status status;
struct lttng_action_snapshot_session *snapshot_session_action;
- struct lttng_firing_policy *copy = NULL;
+ struct lttng_rate_policy *copy = NULL;
if (!action || !policy || !IS_SNAPSHOT_SESSION_ACTION(action)) {
status = LTTNG_ACTION_STATUS_INVALID;
goto end;
}
- copy = lttng_firing_policy_copy(policy);
+ copy = lttng_rate_policy_copy(policy);
if (!copy) {
status = LTTNG_ACTION_STATUS_ERROR;
goto end;
snapshot_session_action = action_snapshot_session_from_action(action);
- /* Free the previous firing policy .*/
- lttng_firing_policy_destroy(snapshot_session_action->policy);
+ /* Free the previous rate policy .*/
+ lttng_rate_policy_destroy(snapshot_session_action->policy);
/* Assign the policy. */
snapshot_session_action->policy = copy;
copy = NULL;
end:
- lttng_firing_policy_destroy(copy);
+ lttng_rate_policy_destroy(copy);
return status;
}
-enum lttng_action_status lttng_action_snapshot_session_get_firing_policy(
+enum lttng_action_status lttng_action_snapshot_session_get_rate_policy(
const struct lttng_action *action,
- const struct lttng_firing_policy **policy)
+ const struct lttng_rate_policy **policy)
{
enum lttng_action_status status;
const struct lttng_action_snapshot_session *snapshot_session_action;
end:
return status;
}
+
+static const struct lttng_rate_policy *
+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);
+
+ return _action->policy;
+}