#include <stdbool.h>
#include <babeltrace/babeltrace-internal.h>
-
-#define BT_LOG_OUTPUT_LEVEL bt_lttng_live_log_level
-#include <babeltrace/logging-internal.h>
-
-#include <babeltrace/graph/component.h>
-#include <babeltrace/graph/notification-iterator.h>
-#include <babeltrace/graph/clock-class-priority-map.h>
+#include <babeltrace/babeltrace.h>
#include "viewer-connection.h"
//TODO: this should not be used by plugins. Should copy code into plugin
#define U64_STR_MAX_LEN 20
#define STREAM_NAME_MAX_LEN (sizeof(STREAM_NAME_PREFIX) + U64_STR_MAX_LEN)
-extern int bt_lttng_live_log_level;
-
struct lttng_live_component;
struct lttng_live_session;
struct lttng_live_stream_iterator {
struct lttng_live_stream_iterator_generic p;
- struct bt_ctf_stream *stream;
+ const struct bt_stream *stream;
struct lttng_live_trace *trace;
- struct bt_private_port *port;
+ struct bt_private_port *port; /* weak ref. */
/* Node of stream list within the trace. */
struct bt_list_head node;
* Since only a single iterator per viewer connection, we have
* only a single notification iterator per stream.
*/
- struct bt_ctf_notif_iter *notif_iter;
+ struct bt_notif_iter *notif_iter;
uint64_t viewer_stream_id;
enum lttng_live_stream_state state;
uint64_t current_packet_end_timestamp;
- struct bt_notification *packet_end_notif_queue;
+ const struct bt_notification *packet_end_notif_queue;
uint8_t *buf;
size_t buflen;
struct lttng_live_stream_iterator_generic p;
struct lttng_live_component *lttng_live;
- struct bt_private_port *port;
+ struct bt_private_port *port; /* weak ref. */
};
struct lttng_live_component_options {
uint64_t id; /* ctf trace ID within the session. */
- struct bt_ctf_trace *trace;
+ const struct bt_trace *trace;
struct lttng_live_metadata *metadata;
struct bt_clock_class_priority_map *cc_prio_map;
struct lttng_live_component *lttng_live;
+ GString *hostname;
+ GString *session_name;
+
uint64_t id;
/* List of struct lttng_live_trace */
*/
struct lttng_live_component {
struct bt_object obj;
- struct bt_private_component *private_component; /* weak */
+ struct bt_self_component *private_component; /* weak */
struct bt_live_viewer_connection *viewer_connection;
/* List of struct lttng_live_session */
size_t max_query_size;
struct lttng_live_component_options options;
- struct bt_private_port *no_stream_port;
+ struct bt_private_port *no_stream_port; /* weak */
struct lttng_live_no_stream_iterator *no_stream_iter;
+
+ struct bt_component *downstream_component;
};
-enum bt_ctf_lttng_live_iterator_status {
+enum bt_lttng_live_iterator_status {
/** Iterator state has progressed. Continue iteration immediately. */
- BT_CTF_LTTNG_LIVE_ITERATOR_STATUS_CONTINUE = 3,
+ BT_LTTNG_LIVE_ITERATOR_STATUS_CONTINUE = 3,
/** No notification available for now. Try again later. */
- BT_CTF_LTTNG_LIVE_ITERATOR_STATUS_AGAIN = 2,
+ BT_LTTNG_LIVE_ITERATOR_STATUS_AGAIN = 2,
/** No more CTF_LTTNG_LIVEs to be delivered. */
- BT_CTF_LTTNG_LIVE_ITERATOR_STATUS_END = 1,
+ BT_LTTNG_LIVE_ITERATOR_STATUS_END = 1,
/** No error, okay. */
- BT_CTF_LTTNG_LIVE_ITERATOR_STATUS_OK = 0,
+ BT_LTTNG_LIVE_ITERATOR_STATUS_OK = 0,
/** Invalid arguments. */
- BT_CTF_LTTNG_LIVE_ITERATOR_STATUS_INVAL = -1,
+ BT_LTTNG_LIVE_ITERATOR_STATUS_INVAL = -1,
/** General error. */
- BT_CTF_LTTNG_LIVE_ITERATOR_STATUS_ERROR = -2,
+ BT_LTTNG_LIVE_ITERATOR_STATUS_ERROR = -2,
/** Out of memory. */
- BT_CTF_LTTNG_LIVE_ITERATOR_STATUS_NOMEM = -3,
+ BT_LTTNG_LIVE_ITERATOR_STATUS_NOMEM = -3,
/** Unsupported iterator feature. */
- BT_CTF_LTTNG_LIVE_ITERATOR_STATUS_UNSUPPORTED = -4,
+ BT_LTTNG_LIVE_ITERATOR_STATUS_UNSUPPORTED = -4,
};
-BT_HIDDEN
-enum bt_component_status lttng_live_component_init(struct bt_private_component *source,
+enum bt_component_status lttng_live_component_init(struct bt_self_component *source,
struct bt_value *params, void *init_method_data);
-struct bt_value *lttng_live_query(struct bt_component_class *comp_class,
+struct bt_component_class_query_method_return lttng_live_query(
+ const struct bt_component_class *comp_class,
+ const struct bt_query_executor *query_exec,
const char *object, struct bt_value *params);
-void lttng_live_component_finalize(struct bt_private_component *component);
+void lttng_live_component_finalize(struct bt_self_component *component);
-BT_HIDDEN
-struct bt_notification_iterator_next_return lttng_live_iterator_next(
- struct bt_private_notification_iterator *iterator);
+struct bt_notification_iterator_next_method_return lttng_live_iterator_next(
+ struct bt_self_notification_iterator *iterator);
+enum bt_component_status lttng_live_accept_port_connection(
+ struct bt_self_component *private_component,
+ struct bt_private_port *self_private_port,
+ const struct bt_port *other_port);
enum bt_notification_iterator_status lttng_live_iterator_init(
- struct bt_private_notification_iterator *it,
+ struct bt_self_notification_iterator *it,
struct bt_private_port *port);
-void lttng_live_iterator_finalize(struct bt_private_notification_iterator *it);
+void lttng_live_iterator_finalize(struct bt_self_notification_iterator *it);
int lttng_live_create_viewer_session(struct lttng_live_component *lttng_live);
int lttng_live_attach_session(struct lttng_live_session *session);
int lttng_live_detach_session(struct lttng_live_session *session);
-enum bt_ctf_lttng_live_iterator_status lttng_live_get_new_streams(
+enum bt_lttng_live_iterator_status lttng_live_get_new_streams(
struct lttng_live_session *session);
-int lttng_live_add_session(struct lttng_live_component *lttng_live, uint64_t session_id);
+int lttng_live_add_session(struct lttng_live_component *lttng_live,
+ uint64_t session_id,
+ const char *hostname,
+ const char *session_name);
ssize_t lttng_live_get_one_metadata_packet(struct lttng_live_trace *trace,
FILE *fp);
-enum bt_ctf_lttng_live_iterator_status lttng_live_get_next_index(
+enum bt_lttng_live_iterator_status lttng_live_get_next_index(
struct lttng_live_component *lttng_live,
struct lttng_live_stream_iterator *stream,
struct packet_index *index);
-enum bt_ctf_notif_iter_medium_status lttng_live_get_stream_bytes(
+enum bt_notif_iter_medium_status lttng_live_get_stream_bytes(
struct lttng_live_component *lttng_live,
struct lttng_live_stream_iterator *stream, uint8_t *buf, uint64_t offset,
uint64_t req_len, uint64_t *recv_len);
void lttng_live_unref_trace(struct lttng_live_trace *trace);
void lttng_live_need_new_streams(struct lttng_live_component *lttng_live);
+bt_bool lttng_live_is_canceled(struct lttng_live_component *lttng_live);
+
#endif /* BABELTRACE_PLUGIN_CTF_LTTNG_LIVE_INTERNAL_H */