- * under the terms of the GNU Lesser General Public License as published by the
- * Free Software Foundation; only version 2.1 of the License.
+ * under the terms of the GNU Lesser General Public License, version 2.1 only,
+ * as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- LTTNG_LOGLEVEL_EMERG = 0,
- LTTNG_LOGLEVEL_ALERT = 1,
- LTTNG_LOGLEVEL_CRIT = 2,
- LTTNG_LOGLEVEL_ERR = 3,
- LTTNG_LOGLEVEL_WARNING = 4,
- LTTNG_LOGLEVEL_NOTICE = 5,
- LTTNG_LOGLEVEL_INFO = 6,
- LTTNG_LOGLEVEL_DEBUG_SYSTEM = 7,
- LTTNG_LOGLEVEL_DEBUG_PROGRAM = 8,
- LTTNG_LOGLEVEL_DEBUG_PROCESS = 9,
- LTTNG_LOGLEVEL_DEBUG_MODULE = 10,
- LTTNG_LOGLEVEL_DEBUG_UNIT = 11,
- LTTNG_LOGLEVEL_DEBUG_FUNCTION = 12,
- LTTNG_LOGLEVEL_DEBUG_LINE = 13,
- LTTNG_LOGLEVEL_DEBUG = 14,
+ LTTNG_LOGLEVEL_EMERG = 0,
+ LTTNG_LOGLEVEL_ALERT = 1,
+ LTTNG_LOGLEVEL_CRIT = 2,
+ LTTNG_LOGLEVEL_ERR = 3,
+ LTTNG_LOGLEVEL_WARNING = 4,
+ LTTNG_LOGLEVEL_NOTICE = 5,
+ LTTNG_LOGLEVEL_INFO = 6,
+ LTTNG_LOGLEVEL_DEBUG_SYSTEM = 7,
+ LTTNG_LOGLEVEL_DEBUG_PROGRAM = 8,
+ LTTNG_LOGLEVEL_DEBUG_PROCESS = 9,
+ LTTNG_LOGLEVEL_DEBUG_MODULE = 10,
+ LTTNG_LOGLEVEL_DEBUG_UNIT = 11,
+ LTTNG_LOGLEVEL_DEBUG_FUNCTION = 12,
+ LTTNG_LOGLEVEL_DEBUG_LINE = 13,
+ LTTNG_LOGLEVEL_DEBUG = 14,
#define LTTNG_EVENT_CONTEXT_PADDING1 16
#define LTTNG_EVENT_CONTEXT_PADDING2 LTTNG_SYMBOL_NAME_LEN + 32
struct lttng_event_context {
#define LTTNG_EVENT_CONTEXT_PADDING1 16
#define LTTNG_EVENT_CONTEXT_PADDING2 LTTNG_SYMBOL_NAME_LEN + 32
struct lttng_event_context {
+enum lttng_event_field_type {
+ LTTNG_EVENT_FIELD_OTHER = 0,
+ LTTNG_EVENT_FIELD_INTEGER = 1,
+ LTTNG_EVENT_FIELD_ENUM = 2,
+ LTTNG_EVENT_FIELD_FLOAT = 3,
+ LTTNG_EVENT_FIELD_STRING = 4,
+};
+
+#define LTTNG_EVENT_FIELD_PADDING LTTNG_SYMBOL_NAME_LEN + 32
+struct lttng_event_field {
+ char field_name[LTTNG_SYMBOL_NAME_LEN];
+ enum lttng_event_field_type type;
+ char padding[LTTNG_EVENT_FIELD_PADDING];
+ struct lttng_event event;
+};
+
* This is an 'output data' meaning that it only comes *from* the session
* daemon *to* the lttng client. It's basically a 'human' representation of
* tracing entities (here a session).
* This is an 'output data' meaning that it only comes *from* the session
* daemon *to* the lttng client. It's basically a 'human' representation of
* tracing entities (here a session).
extern int lttng_enable_event(struct lttng_handle *handle,
struct lttng_event *ev, const char *channel_name);
extern int lttng_enable_event(struct lttng_handle *handle,
struct lttng_event *ev, const char *channel_name);
+/*
+ * Apply a filter expression to an event.
+ *
+ * If event_name is NULL, the filter is applied to all events of the channel.
+ * If channel_name is NULL, a lookup of the event's channel is done.
+ * If both are NULL, the filter is applied to all events of all channels.
+ */
+extern int lttng_set_event_filter(struct lttng_handle *handle,
+ const char *event_name,
+ const char *channel_name,
+ const char *filter_expression);
extern void lttng_channel_set_default_attr(struct lttng_domain *domain,
struct lttng_channel_attr *attr);
extern void lttng_channel_set_default_attr(struct lttng_domain *domain,
struct lttng_channel_attr *attr);
+/*
+ * Set URL for a consumer for a session and domain.
+ *
+ * Both data and control URL must be defined. If both URLs are the same, only
+ * the control URL is used even for network streaming.
+ *
+ * Default port are 5342 and 5343 respectively for control and data which uses
+ * the TCP protocol.
+ */
+extern int lttng_set_consumer_url(struct lttng_handle *handle,
+ const char *control_url, const char *data_url);
+
+/*
+ * Enable the consumer for a session and domain.
+ */
+extern int lttng_enable_consumer(struct lttng_handle *handle);
+
+/*
+ * Disable consumer for a session and domain.
+ */
+extern int lttng_disable_consumer(struct lttng_handle *handle);
+
+/*
+ * Check session daemon health for a specific component.
+ *
+ * Return 0 if health is OK or 1 if BAD. A returned value of -1 indicate that
+ * the control library was not able to connect to the session daemon health
+ * socket.
+ *
+ * Any other positive value is an lttcomm error which can be translate with
+ * lttng_strerror().
+ */
+extern int lttng_health_check(enum lttng_health_component c);
+