X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=include%2Fbabeltrace%2Fctf-ir%2Ftrace-internal.h;h=1ea43f691267e51bcd64c37df238b4f2382047ce;hb=726106d3366acf096ca256a4cc12707f3561f06a;hp=125b554b49b90f4d23a62f50b61fa91a5fca8aa3;hpb=654c1444b546fd79b209288b93ed4e87d9bb8a2b;p=deliverable%2Fbabeltrace.git diff --git a/include/babeltrace/ctf-ir/trace-internal.h b/include/babeltrace/ctf-ir/trace-internal.h index 125b554b4..1ea43f691 100644 --- a/include/babeltrace/ctf-ir/trace-internal.h +++ b/include/babeltrace/ctf-ir/trace-internal.h @@ -27,14 +27,16 @@ * SOFTWARE. */ -#include #include -#include -#include +#include +#include +#include #include +#include +#include #include #include -#include +#include enum field_type_alias { FIELD_TYPE_ALIAS_UINT5_T = 0, @@ -46,21 +48,30 @@ enum field_type_alias { NR_FIELD_TYPE_ALIAS, }; -struct bt_ctf_trace { - struct bt_ctf_ref ref_count; +struct bt_trace { + struct bt_object base; + GString *name; int frozen; - uuid_t uuid; - int byte_order; - GPtrArray *environment; /* Array of pointers to environment_variable */ - GPtrArray *clocks; /* Array of pointers to bt_ctf_clock */ - GPtrArray *stream_classes; /* Array of ptrs to bt_ctf_stream_class */ - GPtrArray *streams; /* Array of ptrs to bt_ctf_stream */ - struct bt_ctf_field_type *packet_header_type; - uint64_t next_stream_id; -}; + unsigned char uuid[BABELTRACE_UUID_LEN]; + bt_bool uuid_set; + enum bt_byte_order native_byte_order; + struct bt_value *environment; + GPtrArray *clocks; /* Array of pointers to bt_clock_class */ + GPtrArray *stream_classes; /* Array of ptrs to bt_stream_class */ + GPtrArray *streams; /* Array of ptrs to bt_stream */ + struct bt_field_type *packet_header_type; + int64_t next_stream_id; + int is_created_by_writer; -struct environment_variable { - GString *name, *value; + /* + * This flag indicates if the trace is valid. A valid + * trace is _always_ frozen. + */ + int valid; + GPtrArray *listeners; /* Array of struct listener_wrapper */ + GArray *is_static_listeners; + bt_bool is_static; + bt_bool in_remove_listener; }; struct metadata_context { @@ -73,6 +84,59 @@ BT_HIDDEN const char *get_byte_order_string(int byte_order); BT_HIDDEN -struct bt_ctf_field_type *get_field_type(enum field_type_alias alias); +struct bt_field_type *get_field_type(enum field_type_alias alias); + +BT_HIDDEN +int bt_trace_object_modification(struct bt_visitor_object *object, + void *trace_ptr); + +BT_HIDDEN +bt_bool bt_trace_has_clock_class(struct bt_trace *trace, + struct bt_clock_class *clock_class); + +/** +@brief User function type to use with bt_trace_add_listener(). + +@param[in] obj New CTF IR object which is part of the trace + class hierarchy. +@param[in] data User data. + +@prenotnull{obj} +*/ +typedef void (*bt_listener_cb)(struct bt_visitor_object *obj, void *data); + +/** +@brief Adds the trace class modification listener \p listener to + the CTF IR trace class \p trace_class. + +Once you add \p listener to \p trace_class, whenever \p trace_class +is modified, \p listener is called with the new element and with +\p data (user data). + +@param[in] trace_class Trace class to which to add \p listener. +@param[in] listener Modification listener function. +@param[in] data User data. +@returns 0 on success, or a negative value on error. + +@prenotnull{trace_class} +@prenotnull{listener} +@postrefcountsame{trace_class} +*/ +BT_HIDDEN +int bt_trace_add_listener(struct bt_trace *trace_class, + bt_listener_cb listener, void *data); + +/* + * bt_trace_get_metadata_string: get metadata string. + * + * Get the trace's TSDL metadata. The caller assumes the ownership of the + * returned string. + * + * @param trace Trace instance. + * + * Returns the metadata string on success, NULL on error. + */ +BT_HIDDEN +char *bt_trace_get_metadata_string(struct bt_trace *trace); #endif /* BABELTRACE_CTF_IR_TRACE_INTERNAL_H */