X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=include%2Fbabeltrace%2Fbabeltrace.h;h=c37e846b45179b6bd0c34f874d548c8be4705c3a;hp=792eeab08196b6c6b75efe39344973b2533912cf;hb=6204d33cac1f29ec4dab146fd139caba7acc3363;hpb=b469d2dd9c6770cbdce9304dbb0e2c7ed8304b2a diff --git a/include/babeltrace/babeltrace.h b/include/babeltrace/babeltrace.h index 792eeab0..c37e846b 100644 --- a/include/babeltrace/babeltrace.h +++ b/include/babeltrace/babeltrace.h @@ -18,20 +18,15 @@ */ #include -#include #include -#include typedef GQuark bt_event_name; /* Forward declarations */ struct babeltrace_iter; -struct trace_collection; struct ctf_stream_event; struct ctf_stream; -struct babeltrace_saved_pos; struct bt_dependencies; -struct bt_context; enum bt_cb_ret { BT_CB_OK = 0, @@ -40,89 +35,11 @@ enum bt_cb_ret { BT_CB_ERROR_CONTINUE = 3, }; -struct trace_collection_pos { - enum { - BT_SEEK_TIME, /* uses u.seek_time */ - BT_SEEK_RESTORE, /* uses u.restore */ - BT_SEEK_CUR, - BT_SEEK_BEGIN, - BT_SEEK_END, - } type; - union { - uint64_t seek_time; - struct babeltrace_saved_pos *restore; - } u; -}; - struct bt_ctf_data { struct ctf_stream_event *event; struct ctf_stream *stream; }; -/* - * babeltrace_iter_create - Allocate a 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 babeltrace_iter *babeltrace_iter_create(struct bt_context *ctx, - struct trace_collection_pos *begin_pos, - struct trace_collection_pos *end_pos); - -/* - * babeltrace_iter_destroy - Free a trace collection iterator. - */ -void babeltrace_iter_destroy(struct babeltrace_iter *iter); - -/* - * babeltrace_iter_next: Move trace collection position to the next event. - * - * Returns 0 on success, a negative value on error - */ -int babeltrace_iter_next(struct babeltrace_iter *iter); - -/* - * babeltrace_iter_save_pos - Save the current trace collection position. - * - * The position returned by this function needs to be freed by - * babeltrace_iter_free_pos after use. - */ -struct trace_collection_pos * - babeltrace_iter_save_pos(struct babeltrace_iter *iter); - -/* - * babeltrace_iter_free_pos - Free the position. - */ -void babeltrace_iter_free_pos(struct trace_collection_pos *pos); - -/* - * babeltrace_iter_seek: seek iterator to given position. - * - * Return EOF if position is after the last event of the trace collection. - * Return other negative value for other errors. - * Return 0 for success. - */ -int babeltrace_iter_seek(struct babeltrace_iter *iter, - const struct trace_collection_pos *pos); - -/* - * babeltrace_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. - */ -int babeltrace_iter_read_event(struct babeltrace_iter *iter, - struct ctf_stream **stream, - struct ctf_stream_event **event); - /* * Receives a variable number of strings as parameter, ended with NULL. */