{0, 0, 0, 0, 0, 0, 0}
};
-static int mi_output_rotate(const char *status, const char *path,
- const char *session_name)
-{
- int ret;
-
- if (!lttng_opt_mi) {
- ret = 0;
- goto end;
- }
-
- ret = mi_lttng_writer_open_element(writer,
- mi_lttng_element_rotation);
- if (ret) {
- goto end;
- }
-
- ret = mi_lttng_writer_write_element_string(writer,
- mi_lttng_element_session_name, session_name);
- if (ret) {
- goto end;
- }
-
- ret = mi_lttng_writer_write_element_string(writer,
- mi_lttng_element_rotate_status, status);
- if (ret) {
- goto end;
- }
- if (path) {
- ret = mi_lttng_writer_write_element_string(writer,
- config_element_path, path);
- if (ret) {
- goto end;
- }
- }
- /* Close rotation element */
- ret = mi_lttng_writer_close_element(writer);
- if (ret) {
- goto end;
- }
-
-end:
- return ret;
-}
-
static int output_trace_archive_location(
const struct lttng_trace_archive_location *location,
const char *session_name)
goto end;
}
MSG(" at %s", absolute_path);
- ret = mi_output_rotate("completed", absolute_path,
- session_name);
- if (ret) {
- goto end;
- }
printed_location = true;
break;
}
PRIu16 "]", protocol_str, host,
relative_path, control_port, data_port);
printed_location = true;
- ret = mi_output_rotate("completed", relative_path,
- session_name);
- if (ret) {
- goto end;
- }
break;
}
default:
static int rotate_tracing(char *session_name)
{
int ret;
+ enum cmd_error_code cmd_ret = CMD_SUCCESS;
struct lttng_rotation_handle *handle = NULL;
enum lttng_rotation_status rotation_status;
enum lttng_rotation_state rotation_state = LTTNG_ROTATION_STATE_ONGOING;
+ const struct lttng_trace_archive_location *location = NULL;
+ bool print_location = true;
DBG("Rotating the output files of session %s", session_name);
switch (-ret) {
case LTTNG_ERR_SESSION_NOT_STARTED:
WARN("Tracing session %s not started yet", session_name);
- break;
+ cmd_ret = CMD_WARNING;
+ goto end;
default:
ERR("%s", lttng_strerror(ret));
- break;
+ goto error;
}
+ }
+
+ if (opt_no_wait) {
+ rotation_state = LTTNG_ROTATION_STATE_ONGOING;
+ goto skip_wait;
+ }
+
+ _MSG("Waiting for rotation to complete");
+ ret = fflush(stdout);
+ if (ret) {
+ PERROR("fflush");
goto error;
}
- if (!opt_no_wait) {
- _MSG("Waiting for rotation to complete");
- ret = fflush(stdout);
- if (ret) {
- PERROR("fflush");
+ do {
+ rotation_status = lttng_rotation_handle_get_state(handle,
+ &rotation_state);
+ if (rotation_status != LTTNG_ROTATION_STATUS_OK) {
+ ERR("Failed to query the state of the rotation.");
goto error;
}
- do {
- rotation_status = lttng_rotation_handle_get_state(handle,
- &rotation_state);
- if (rotation_status != LTTNG_ROTATION_STATUS_OK) {
- ERR("Failed to query the state of the rotation");
+ if (rotation_state == LTTNG_ROTATION_STATE_ONGOING) {
+ ret = usleep(DEFAULT_DATA_AVAILABILITY_WAIT_TIME);
+ if (ret) {
+ PERROR("usleep");
goto error;
}
+ _MSG(".");
- /*
- * Data sleep time before retrying (in usec). Don't
- * sleep if the call returned value indicates
- * availability.
- */
- if (rotation_state == LTTNG_ROTATION_STATE_ONGOING) {
- ret = usleep(DEFAULT_DATA_AVAILABILITY_WAIT_TIME);
- if (ret) {
- PERROR("usleep");
- goto error;
- }
- _MSG(".");
-
- ret = fflush(stdout);
- if (ret) {
- PERROR("fflush");
- goto error;
- }
+ ret = fflush(stdout);
+ if (ret) {
+ PERROR("fflush");
+ goto error;
}
- } while (rotation_state == LTTNG_ROTATION_STATE_ONGOING);
- MSG("");
- }
+ }
+ } while (rotation_state == LTTNG_ROTATION_STATE_ONGOING);
+ MSG("");
+skip_wait:
switch (rotation_state) {
case LTTNG_ROTATION_STATE_COMPLETED:
- {
- const struct lttng_trace_archive_location *location;
-
rotation_status = lttng_rotation_handle_get_archive_location(
handle, &location);
if (rotation_status != LTTNG_ROTATION_STATUS_OK) {
- ERR("Failed to retrieve the rotation's completed chunk archive location");
- goto error;
+ ERR("Failed to retrieve the rotation's completed chunk archive location.");
+ cmd_ret = CMD_ERROR;
}
- ret = output_trace_archive_location(location, session_name);
- if (ret) {
- goto error;
- }
- ret = CMD_SUCCESS;
- goto end;
- }
+ break;
case LTTNG_ROTATION_STATE_EXPIRED:
- MSG("Session %s rotated, but handle expired", session_name);
- ret = mi_output_rotate("expired", NULL, session_name);
- if (ret) {
- goto error;
- }
- ret = CMD_SUCCESS;
- goto end;
+ break;
+ case LTTNG_ROTATION_STATE_ERROR:
+ ERR("Failed to retrieve rotation state.");
+ print_location = false;
+ goto error;
+ case LTTNG_ROTATION_STATE_ONGOING:
+ MSG("Rotation ongoing for session %s", session_name);
+ print_location = false;
+ break;
default:
- ERR("Unexpected rotation state received, aborting...");
+ ERR("Unexpected rotation state encountered.");
+ print_location = false;
goto error;
}
-error:
- ret = CMD_ERROR;
+ if (!lttng_opt_mi && print_location) {
+ ret = output_trace_archive_location(location,
+ session_name);
+ } else if (lttng_opt_mi) {
+ ret = mi_lttng_rotate(writer, session_name, rotation_state,
+ location);
+ }
+
+ if (ret < 0) {
+ cmd_ret = CMD_ERROR;
+ }
+
end:
lttng_rotation_handle_destroy(handle);
- return ret;
+ return cmd_ret;
+error:
+ cmd_ret = CMD_ERROR;
+ goto end;
}
/*
*/
int cmd_rotate(int argc, const char **argv)
{
- int opt, ret = CMD_SUCCESS, command_ret = CMD_SUCCESS, success = 1;
+ int opt, ret;
+ enum cmd_error_code cmd_ret = CMD_SUCCESS;
int popt_ret;
static poptContext pc;
char *session_name = NULL;
pc = poptGetContext(NULL, argc, argv, long_options, 0);
popt_ret = poptReadDefaultConfig(pc, 0);
if (popt_ret) {
- ret = CMD_ERROR;
ERR("poptReadDefaultConfig");
- goto end;
+ goto error;
}
while ((opt = poptGetNextOpt(pc)) != -1) {
list_cmd_options(stdout, long_options);
goto end;
default:
- ret = CMD_UNDEFINED;
+ cmd_ret = CMD_UNDEFINED;
goto end;
}
}
if (!opt_session_name) {
session_name = get_session_name();
if (!session_name) {
- goto end;
+ goto error;
}
free_session_name = true;
} else {
if (lttng_opt_mi) {
writer = mi_lttng_writer_create(fileno(stdout), lttng_opt_mi);
if (!writer) {
- ret = -LTTNG_ERR_NOMEM;
- goto end;
+ goto error;
}
/* Open rotate command */
ret = mi_lttng_writer_command_open(writer,
mi_lttng_element_command_rotate);
if (ret) {
- ret = CMD_ERROR;
- goto end;
+ goto error;
}
/* Open output element */
ret = mi_lttng_writer_open_element(writer,
mi_lttng_element_command_output);
if (ret) {
- goto end;
- }
-
- /* Open rotations element */
- ret = mi_lttng_writer_open_element(writer,
- mi_lttng_element_rotation_schedules);
- if (ret) {
- goto end;
+ goto error;
}
-
}
- command_ret = rotate_tracing(session_name);
- if (command_ret) {
- success = 0;
- }
+ cmd_ret = rotate_tracing(session_name);
/* Mi closing */
if (lttng_opt_mi) {
- /* Close rotations element */
- ret = mi_lttng_writer_close_element(writer);
- if (ret) {
- goto end;
- }
/* Close output element */
ret = mi_lttng_writer_close_element(writer);
if (ret) {
- goto end;
+ goto error;
}
/* Success ? */
ret = mi_lttng_writer_write_element_bool(writer,
- mi_lttng_element_command_success, success);
+ mi_lttng_element_command_success,
+ cmd_ret == CMD_SUCCESS);
if (ret) {
- ret = CMD_ERROR;
- goto end;
+ goto error;
}
/* Command element close */
ret = mi_lttng_writer_command_close(writer);
if (ret) {
- ret = CMD_ERROR;
- goto end;
+ goto error;
}
}
-end:
/* Mi clean-up */
if (writer && mi_lttng_writer_destroy(writer)) {
- /* Preserve original error code */
- ret = ret ? ret : -LTTNG_ERR_MI_IO_FAIL;
+ goto error;
}
-
- /* Overwrite ret if an error occurred with start_tracing */
- ret = command_ret ? command_ret : ret;
+end:
poptFreeContext(pc);
if (free_session_name) {
free(session_name);
}
- return ret;
+
+ return cmd_ret;
+error:
+ cmd_ret = CMD_ERROR;
+ goto end;
}
</xs:restriction>
</xs:simpleType>
+ <!-- Maps to enum lttng_rotation_state -->
+ <xs:simpleType name="rotation_state_type">
+ <xs:restriction base="xs:string">
+ <xs:enumeration value="ONGOING" />
+ <xs:enumeration value="COMPLETED" />
+ <xs:enumeration value="EXPIRED" />
+ <xs:enumeration value="ERROR" />
+ </xs:restriction>
+ </xs:simpleType>
+
+ <!-- Maps to enum lttng_trace_archive_location_relay_protocol_type -->
+ <xs:simpleType name="location_relay_protocol_type">
+ <xs:restriction base="xs:string">
+ <xs:enumeration value="TCP" />
+ </xs:restriction>
+ </xs:simpleType>
+
<!-- Maps to the lttng_calibrate_type enum -->
<xs:simpleType name="calibrate_type_type">
<xs:restriction base="xs:string">
</xs:sequence>
</xs:complexType>
+ <xs:complexType name="local_location_type">
+ <xs:sequence>
+ <xs:element name="absolute_path" type="xs:string" minOccurs="1" />
+ </xs:sequence>
+ </xs:complexType>
+
+ <xs:complexType name="relay_location_type">
+ <xs:sequence>
+ <xs:element name="host" type="xs:string" minOccurs="1" />
+ <xs:element name="control_port" type="xs:int" minOccurs="0" />
+ <xs:element name="data_port" type="xs:int" minOccurs="0" />
+ <xs:element name="protocol" type="tns:location_relay_protocol_type" minOccurs="1" />
+ <xs:element name="relative_path" type="xs:string" minOccurs="0" />
+ </xs:sequence>
+ </xs:complexType>
+
+ <xs:complexType name="location_type">
+ <xs:choice>
+ <xs:element name="local" type="tns:local_location_type" minOccurs="0" />
+ <xs:element name="relay" type="tns:relay_location_type" minOccurs="0" />
+ </xs:choice>
+ </xs:complexType>
+
<!-- Maps to the rotate command -->
- <xs:complexType name="rotation_type">
- <xs:all>
- <xs:element name="status" type="xs:string" />
- <xs:element name="path" type="xs:string" minOccurs="0" />
- </xs:all>
+ <xs:complexType name="rotate_type">
+ <xs:sequence>
+ <xs:element name="session_name" type="tns:name_type" minOccurs="1" />
+ <xs:element name="state" type="tns:rotation_state_type" minOccurs="1" />
+ <xs:element name="location" type="tns:location_type" minOccurs="0" />
+ </xs:sequence>
</xs:complexType>
<xs:complexType name="rotation_schedule_result_type">
<xs:element name="targets" type="tns:targets_type" minOccurs="0" />
<xs:element name="metadata_action" type="tns:metadata_cmd_type" minOccurs="0" />
<xs:element name="regenerate_action" type="tns:regenerate_cmd_type" minOccurs="0" />
- <xs:element name="rotation" type="tns:rotation_type" minOccurs="0" />
+ <xs:element name="rotation" type="tns:rotate_type" minOccurs="0" />
<xs:element name="rotation_schedule_results" type="tns:rotation_schedule_cmd_type" minOccurs="0" />
</xs:choice>
</xs:complexType>
LTTNG_HIDDEN const char * const mi_lttng_element_rotation_schedule_periodic_time_us = "time_us";
LTTNG_HIDDEN const char * const mi_lttng_element_rotation_schedule_size_threshold = "size_threshold";
LTTNG_HIDDEN const char * const mi_lttng_element_rotation_schedule_size_threshold_bytes = "bytes";
+LTTNG_HIDDEN const char * const mi_lttng_element_rotation_state = "state";
+LTTNG_HIDDEN const char * const mi_lttng_element_rotation_location = "location";
+LTTNG_HIDDEN const char * const mi_lttng_element_rotation_location_local = "local";
+LTTNG_HIDDEN const char * const mi_lttng_element_rotation_location_local_absolute_path = "absolute_path";
+LTTNG_HIDDEN const char * const mi_lttng_element_rotation_location_relay = "relay";
+LTTNG_HIDDEN const char * const mi_lttng_element_rotation_location_relay_host = "host";
+LTTNG_HIDDEN const char * const mi_lttng_element_rotation_location_relay_control_port = "control_port";
+LTTNG_HIDDEN const char * const mi_lttng_element_rotation_location_relay_data_port = "data_port";
+LTTNG_HIDDEN const char * const mi_lttng_element_rotation_location_relay_protocol = "protocol";
+LTTNG_HIDDEN const char * const mi_lttng_element_rotation_location_relay_relative_path = "relative_path";
+
+/* String related to enum lttng_rotation_state */
+LTTNG_HIDDEN const char * const mi_lttng_rotation_state_str_ongoing = "ONGOING";
+LTTNG_HIDDEN const char * const mi_lttng_rotation_state_str_completed = "COMPLETED";
+LTTNG_HIDDEN const char * const mi_lttng_rotation_state_str_expired = "EXPIRED";
+LTTNG_HIDDEN const char * const mi_lttng_rotation_state_str_error = "ERROR";
+
+/* String related to enum lttng_trace_archive_location_relay_protocol_type */
+LTTNG_HIDDEN const char * const mi_lttng_rotation_location_relay_protocol_str_tcp = "TCP";
/* String related to add-context command */
LTTNG_HIDDEN const char * const mi_lttng_element_context_symbol = "symbol";
}
}
+LTTNG_HIDDEN
+const char *mi_lttng_rotation_state_string(enum lttng_rotation_state value)
+{
+ switch (value) {
+ case LTTNG_ROTATION_STATE_ONGOING:
+ return mi_lttng_rotation_state_str_ongoing;
+ case LTTNG_ROTATION_STATE_COMPLETED:
+ return mi_lttng_rotation_state_str_completed;
+ case LTTNG_ROTATION_STATE_EXPIRED:
+ return mi_lttng_rotation_state_str_expired;
+ case LTTNG_ROTATION_STATE_ERROR:
+ return mi_lttng_rotation_state_str_error;
+ default:
+ /* Should not have an unknow rotation state. */
+ assert(0);
+ return NULL;
+ }
+}
+
+LTTNG_HIDDEN
+const char *mi_lttng_trace_archive_location_relay_protocol_type_string(
+ enum lttng_trace_archive_location_relay_protocol_type value)
+{
+ switch (value) {
+ case LTTNG_TRACE_ARCHIVE_LOCATION_RELAY_PROTOCOL_TYPE_TCP:
+ return mi_lttng_rotation_location_relay_protocol_str_tcp;
+ default:
+ /* Should not have an unknow relay protocol. */
+ assert(0);
+ return NULL;
+ }
+}
+
LTTNG_HIDDEN
struct mi_writer *mi_lttng_writer_create(int fd_output, int mi_output_type)
{
end:
return ret;
}
+
+static
+int mi_lttng_location(struct mi_writer *writer,
+ const struct lttng_trace_archive_location *location)
+{
+ int ret = 0;
+ enum lttng_trace_archive_location_type location_type;
+ enum lttng_trace_archive_location_status status;
+
+ location_type = lttng_trace_archive_location_get_type(location);
+
+ switch (location_type) {
+ case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_LOCAL:
+ {
+ const char *absolute_path;
+
+ status = lttng_trace_archive_location_local_get_absolute_path(
+ location, &absolute_path);
+ if (status != LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = mi_lttng_writer_open_element(writer,
+ mi_lttng_element_rotation_location_local);
+ if (ret) {
+ goto end;
+ }
+
+
+ ret = mi_lttng_writer_write_element_string(writer,
+ mi_lttng_element_rotation_location_local_absolute_path,
+ absolute_path);
+ if (ret) {
+ goto end;
+ }
+
+ /* Close local element */
+ ret = mi_lttng_writer_close_element(writer);
+ if (ret) {
+ goto end;
+ }
+ break;
+ }
+ case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY:
+ {
+ uint16_t control_port, data_port;
+ const char *host, *relative_path;
+ enum lttng_trace_archive_location_relay_protocol_type protocol;
+
+ /* Fetch all relay location parameters. */
+ status = lttng_trace_archive_location_relay_get_protocol_type(
+ location, &protocol);
+ if (status != LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK) {
+ ret = -1;
+ goto end;
+ }
+
+ status = lttng_trace_archive_location_relay_get_host(
+ location, &host);
+ if (status != LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK) {
+ ret = -1;
+ goto end;
+ }
+
+ status = lttng_trace_archive_location_relay_get_control_port(
+ location, &control_port);
+ if (status != LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK) {
+ ret = -1;
+ goto end;
+ }
+
+ status = lttng_trace_archive_location_relay_get_data_port(
+ location, &data_port);
+ if (status != LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK) {
+ ret = -1;
+ goto end;
+ }
+
+ status = lttng_trace_archive_location_relay_get_relative_path(
+ location, &relative_path);
+ if (status != LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = mi_lttng_writer_open_element(writer,
+ mi_lttng_element_rotation_location_relay);
+ if (ret) {
+ goto end;
+ }
+
+ ret = mi_lttng_writer_write_element_string(writer,
+ mi_lttng_element_rotation_location_relay_host,
+ host);
+ if (ret) {
+ goto end;
+ }
+
+ ret = mi_lttng_writer_write_element_unsigned_int(writer,
+ mi_lttng_element_rotation_location_relay_control_port,
+ control_port);
+ if (ret) {
+ goto end;
+ }
+
+ ret = mi_lttng_writer_write_element_unsigned_int(writer,
+ mi_lttng_element_rotation_location_relay_data_port,
+ data_port);
+ if (ret) {
+ goto end;
+ }
+
+ ret = mi_lttng_writer_write_element_string(writer,
+ mi_lttng_element_rotation_location_relay_protocol,
+ mi_lttng_trace_archive_location_relay_protocol_type_string(protocol));
+ if (ret) {
+ goto end;
+ }
+
+ ret = mi_lttng_writer_write_element_string(writer,
+ mi_lttng_element_rotation_location_relay_relative_path,
+ relative_path);
+ if (ret) {
+ goto end;
+ }
+
+ /* Close relay element */
+ ret = mi_lttng_writer_close_element(writer);
+ if (ret) {
+ goto end;
+ }
+ break;
+ }
+ default:
+ abort();
+ }
+end:
+ return ret;
+}
+
+LTTNG_HIDDEN
+int mi_lttng_rotate(struct mi_writer *writer,
+ const char *session_name,
+ enum lttng_rotation_state rotation_state,
+ const struct lttng_trace_archive_location *location)
+{
+ int ret;
+
+ ret = mi_lttng_writer_open_element(writer,
+ mi_lttng_element_rotation);
+ if (ret) {
+ goto end;
+ }
+
+ ret = mi_lttng_writer_write_element_string(writer,
+ mi_lttng_element_session_name,
+ session_name);
+ if (ret) {
+ goto end;
+ }
+
+ ret = mi_lttng_writer_write_element_string(writer,
+ mi_lttng_element_rotation_state,
+ mi_lttng_rotation_state_string(rotation_state));
+ if (ret) {
+ goto end;
+ }
+
+ if (!location) {
+ /* Not a serialization error. */
+ goto close_rotation;
+ }
+
+ ret = mi_lttng_writer_open_element(writer,
+ mi_lttng_element_rotation_location);
+ if (ret) {
+ goto end;
+ }
+
+ ret = mi_lttng_location(writer, location);
+ if (ret) {
+ goto close_location;
+ }
+
+close_location:
+ /* Close location element */
+ ret = mi_lttng_writer_close_element(writer);
+ if (ret) {
+ goto end;
+ }
+
+close_rotation:
+ /* Close rotation element */
+ ret = mi_lttng_writer_close_element(writer);
+ if (ret) {
+ goto end;
+ }
+end:
+ return ret;
+}
LTTNG_HIDDEN const char * const mi_lttng_element_rotation_schedule_size_threshold_bytes;
LTTNG_HIDDEN const char * const mi_lttng_element_rotation_schedule_result;
LTTNG_HIDDEN const char * const mi_lttng_element_rotation_schedule_results;
+LTTNG_HIDDEN const char * const mi_lttng_element_rotation_state;
+LTTNG_HIDDEN const char * const mi_lttng_element_rotation_location;
+LTTNG_HIDDEN const char * const mi_lttng_element_rotation_location_local;
+LTTNG_HIDDEN const char * const mi_lttng_element_rotation_location_local_absolute_path;
+LTTNG_HIDDEN const char * const mi_lttng_element_rotation_location_relay;
+LTTNG_HIDDEN const char * const mi_lttng_element_rotation_location_relay_host;
+LTTNG_HIDDEN const char * const mi_lttng_element_rotation_location_relay_control_port;
+LTTNG_HIDDEN const char * const mi_lttng_element_rotation_location_relay_data_port;
+LTTNG_HIDDEN const char * const mi_lttng_element_rotation_location_relay_protocol;
+LTTNG_HIDDEN const char * const mi_lttng_element_rotation_location_relay_relative_path;
+
+/* String related to enum lttng_rotation_state */
+LTTNG_HIDDEN const char * const mi_lttng_rotation_state_str_ongoing;
+LTTNG_HIDDEN const char * const mi_lttng_rotation_state_str_completed;
+LTTNG_HIDDEN const char * const mi_lttng_rotation_state_str_expired;
+LTTNG_HIDDEN const char * const mi_lttng_rotation_state_str_error;
+
+/* String related to enum lttng_trace_archive_location_relay_protocol_type */
+LTTNG_HIDDEN const char * const mi_lttng_rotation_location_relay_protocol_str_tcp;
/* String related to add-context command */
LTTNG_HIDDEN extern const char * const mi_lttng_element_context_symbol;
const char *mi_lttng_eventfieldtype_string(enum lttng_event_field_type value);
const char *mi_lttng_domaintype_string(enum lttng_domain_type value);
const char *mi_lttng_buffertype_string(enum lttng_buffer_type value);
+const char *mi_lttng_rotation_state_string(enum lttng_rotation_state value);
+const char *mi_lttng_trace_archive_location_relay_protocol_type_string(
+ enum lttng_trace_archive_location_relay_protocol_type value);
/*
* Create an instance of a machine interface writer.
*
* writer: An instance of a machine interface writer.
*
- * session_name: The session to which the command applies.
- *
* schedule: An lttng rotation schedule descriptor object.
*
* success: Whether the sub-command suceeded.
const struct lttng_rotation_schedule *schedule,
bool success);
+/*
+ * Machine interface of a session rotation result.
+ * This is an element that is part of the output of the rotate command.
+ *
+ * The machine interface provides the following information:
+ * - session_name: the session to be rotated.
+ * - state: the session rotation state.
+ * - location: the location of the completed chunk archive.
+ *
+ * writer: An instance of a machine interface writer.
+ *
+ * session_name: The session to which the rotate command applies.
+ *
+ * location: A location descriptor object.
+ *
+ * success: Whether the sub-command suceeded.
+ *
+ * Returns zero if the element's value could be written.
+ * Negative values indicate an error.
+ */
+int mi_lttng_rotate(struct mi_writer *writer,
+ const char *session_name,
+ enum lttng_rotation_state rotation_state,
+ const struct lttng_trace_archive_location *location);
+
#endif /* _MI_LTTNG_H */
projects / lttng-tools.git / commitdiff
