X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=include%2Fbabeltrace%2Fctf%2Fevents.h;h=30365aaabbafd80d41e2aa6a7f2da7ec87faaff3;hp=d0ec3e10615b3beefcee75bff226cc58431eacc0;hb=64c2c2496913d64ddd77343b9651f1f233cda5cf;hpb=9efd5d766ca00e09bc527a7d75705ac5e2d923d7 diff --git a/include/babeltrace/ctf/events.h b/include/babeltrace/ctf/events.h index d0ec3e10..30365aaa 100644 --- a/include/babeltrace/ctf/events.h +++ b/include/babeltrace/ctf/events.h @@ -24,10 +24,12 @@ */ #include +#include -struct ctf_stream; -struct ctf_stream_event; struct definition; +struct bt_ctf_event; +struct bt_ctf_event_decl; +struct bt_ctf_field_decl; /* * the top-level scopes in CTF @@ -68,14 +70,6 @@ enum ctf_string_encoding { CTF_STRING_UNKNOWN, }; -/* - * the structure to manipulate events - */ -struct bt_ctf_event { - struct ctf_stream *stream; - struct ctf_stream_event *event; -}; - /* * bt_ctf_get_top_level_scope: return a definition of the top-level scope * @@ -86,49 +80,49 @@ struct bt_ctf_event { * between the enum and the actual definition of top-level scopes. * On error return NULL. */ -struct definition *bt_ctf_get_top_level_scope(struct bt_ctf_event *event, +const struct definition *bt_ctf_get_top_level_scope(const struct bt_ctf_event *event, enum bt_ctf_scope scope); /* * bt_ctf_event_get_name: returns the name of the event or NULL on error */ -const char *bt_ctf_event_name(struct bt_ctf_event *event); +const char *bt_ctf_event_name(const struct bt_ctf_event *event); /* * bt_ctf_get_timestamp_raw: returns the timestamp of the event as written in * the packet or -1ULL on error */ -uint64_t bt_ctf_get_timestamp_raw(struct bt_ctf_event *event); +uint64_t bt_ctf_get_timestamp_raw(const struct bt_ctf_event *event); /* * bt_ctf_get_timestamp: returns the timestamp of the event offsetted with the * system clock source or -1ULL on error */ -uint64_t bt_ctf_get_timestamp(struct bt_ctf_event *event); +uint64_t bt_ctf_get_timestamp(const struct bt_ctf_event *event); /* * bt_ctf_get_field_list: set list pointer to an array of definition * pointers and set count to the number of elements in the array. * Return 0 on success and a negative value on error. */ -int bt_ctf_get_field_list(struct bt_ctf_event *event, - struct definition *scope, +int bt_ctf_get_field_list(const struct bt_ctf_event *event, + const struct definition *scope, struct definition const * const **list, unsigned int *count); /* * bt_ctf_get_field: returns the definition of a specific field */ -struct definition *bt_ctf_get_field(struct bt_ctf_event *event, - struct definition *scope, +const struct definition *bt_ctf_get_field(const struct bt_ctf_event *event, + const struct definition *scope, const char *field); /* * bt_ctf_get_index: if the field is an array or a sequence, return the element * at position index, otherwise return NULL; */ -struct definition *bt_ctf_get_index(struct bt_ctf_event *event, - struct definition *field, +const struct definition *bt_ctf_get_index(const struct bt_ctf_event *event, + const struct definition *field, unsigned int index); /* @@ -195,4 +189,35 @@ char *bt_ctf_get_string(const struct definition *field); */ int bt_ctf_field_get_error(void); +/* + * bt_ctf_get_event_decl_list: set list pointer to an array of bt_ctf_event_decl + * pointers and set count to the number of elements in the array. + * + * Return 0 on success and a negative value on error. + */ +int bt_ctf_get_event_decl_list(int handle_id, struct bt_context *ctx, + struct bt_ctf_event_decl * const **list, + unsigned int *count); + +/* + * bt_ctf_get_decl_event_name: return the name of the event or NULL on error + */ +const char *bt_ctf_get_decl_event_name(const struct bt_ctf_event_decl *event); + +/* + * bt_ctf_get_decl_fields: set list pointer to an array of bt_ctf_field_decl + * pointers and set count to the number of elements in the array. + * + * Returns 0 on success and a negative value on error + */ +int bt_ctf_get_decl_fields(struct bt_ctf_event_decl *event_decl, + enum bt_ctf_scope scope, + struct bt_ctf_field_decl const * const **list, + unsigned int *count); + +/* + * bt_ctf_get_decl_field_name: return the name of a field decl or NULL on error + */ +const char *bt_ctf_get_decl_field_name(const struct bt_ctf_field_decl *field); + #endif /* _BABELTRACE_CTF_EVENTS_H */