X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=include%2Fbabeltrace%2Fctf%2Fevents.h;h=d0ec3e10615b3beefcee75bff226cc58431eacc0;hp=c08314f8775bbb6d0418b9f7011ccc0c30fb04f1;hb=9efd5d766ca00e09bc527a7d75705ac5e2d923d7;hpb=da320b838f4deeaae4314c18c507ca486243b0fe diff --git a/include/babeltrace/ctf/events.h b/include/babeltrace/ctf/events.h index c08314f8..d0ec3e10 100644 --- a/include/babeltrace/ctf/events.h +++ b/include/babeltrace/ctf/events.h @@ -24,12 +24,10 @@ */ #include -#include struct ctf_stream; struct ctf_stream_event; struct definition; -struct bt_ctf_iter; /* * the top-level scopes in CTF @@ -60,6 +58,16 @@ enum ctf_type_id { NR_CTF_TYPES, }; +/* + * the supported CTF string encodings + */ +enum ctf_string_encoding { + CTF_STRING_NONE = 0, + CTF_STRING_UTF8, + CTF_STRING_ASCII, + CTF_STRING_UNKNOWN, +}; + /* * the structure to manipulate events */ @@ -68,42 +76,6 @@ struct bt_ctf_event { struct ctf_stream_event *event; }; -/* - * bt_ctf_iter_read_event: Read the iterator's current event data. - * - * @iter: trace collection iterator (input) - * @stream: stream containing event at current position (output) - * @event: current event (output) - * Return 0 on success, negative error value on error. - */ -struct bt_ctf_event *bt_ctf_iter_read_event(struct bt_ctf_iter *iter); - -/* - * bt_ctf_iter_create - Allocate a CTF trace collection iterator. - * - * begin_pos and end_pos are optional parameters to specify the position - * at which the trace collection should be seeked upon iterator - * creation, and the position at which iteration will start returning - * "EOF". - * - * By default, if begin_pos is NULL, a BT_SEEK_CUR is performed at - * creation. By default, if end_pos is NULL, a BT_SEEK_END (end of - * trace) is the EOF criterion. - */ -struct bt_ctf_iter *bt_ctf_iter_create(struct bt_context *ctx, - struct bt_iter_pos *begin_pos, - struct bt_iter_pos *end_pos); - -/* - * bt_ctf_get_iter - get iterator from ctf iterator. - */ -struct bt_iter *bt_ctf_get_iter(struct bt_ctf_iter *iter); - -/* - * bt_ctf_iter_destroy - Free a CTF trace collection iterator. - */ -void bt_ctf_iter_destroy(struct bt_ctf_iter *iter); - /* * bt_ctf_get_top_level_scope: return a definition of the top-level scope * @@ -123,7 +95,14 @@ struct definition *bt_ctf_get_top_level_scope(struct bt_ctf_event *event, const char *bt_ctf_event_name(struct bt_ctf_event *event); /* - * bt_ctf_get_timestamp: returns the timestamp of the event or -1ULL on error + * 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); + +/* + * 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); @@ -162,6 +141,38 @@ const char *bt_ctf_field_name(const struct definition *def); */ enum ctf_type_id bt_ctf_field_type(const struct definition *def); +/* + * bt_ctf_get_int_signedness: return the signedness of an integer + * + * return 0 if unsigned + * return 1 if signed + * return -1 on error + */ +int bt_ctf_get_int_signedness(const struct definition *field); + +/* + * bt_ctf_get_int_base: return the base of an int or a negative value on error + */ +int bt_ctf_get_int_base(const struct definition *field); + +/* + * bt_ctf_get_int_byte_order: return the byte order of an int or a negative + * value on error + */ +int bt_ctf_get_int_byte_order(const struct definition *field); + +/* + * bt_ctf_get_encoding: return the encoding of an int or a string. + * return a negative value on error + */ +enum ctf_string_encoding bt_ctf_get_encoding(const struct definition *field); + +/* + * bt_ctf_get_array_len: return the len of an array or a negative + * value on error + */ +int bt_ctf_get_array_len(const struct definition *field); + /* * Field access functions *