*/
#include <stdint.h>
-#include <babeltrace/iterator.h>
struct ctf_stream;
struct ctf_stream_event;
struct definition;
-struct bt_ctf_iter;
/*
* the top-level scopes in CTF
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
*/
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
*
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);
/*
* bt_ctf_field_type: returns the type of a field or -1 if unknown
*/
-enum ctf_type_id bt_ctf_field_type(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
* returned is undefined. To check if an error occured, use the
* bt_ctf_field_error() function after accessing a field.
*/
-uint64_t bt_ctf_get_uint64(struct definition *field);
-int64_t bt_ctf_get_int64(struct definition *field);
-char *bt_ctf_get_char_array(struct definition *field);
-char *bt_ctf_get_string(struct definition *field);
+uint64_t bt_ctf_get_uint64(const struct definition *field);
+int64_t bt_ctf_get_int64(const struct definition *field);
+char *bt_ctf_get_char_array(const struct definition *field);
+char *bt_ctf_get_string(const struct definition *field);
/*
* bt_ctf_field_error: returns the last error code encountered while