6 * Copyright 2011-2012 EfficiOS Inc. and Linux Foundation
8 * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
9 * Julien Desfossez <julien.desfossez@efficios.com>
11 * Permission is hereby granted, free of charge, to any person obtaining a copy
12 * of this software and associated documentation files (the "Software"), to deal
13 * in the Software without restriction, including without limitation the rights
14 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
15 * copies of the Software, and to permit persons to whom the Software is
16 * furnished to do so, subject to the following conditions:
18 * The above copyright notice and this permission notice shall be included in
19 * all copies or substantial portions of the Software.
22 #include <babeltrace/babeltrace.h>
23 #include <babeltrace/format.h>
24 #include <babeltrace/ctf/events.h>
25 #include <babeltrace/ctf-ir/metadata.h>
26 #include <babeltrace/prio_heap.h>
27 #include <babeltrace/iterator-internal.h>
28 #include <babeltrace/ctf/events-internal.h>
29 #include <babeltrace/ctf/metadata.h>
32 #include "events-private.h"
34 struct bt_ctf_iter
*bt_ctf_iter_create(struct bt_context
*ctx
,
35 const struct bt_iter_pos
*begin_pos
,
36 const struct bt_iter_pos
*end_pos
)
38 struct bt_ctf_iter
*iter
;
41 iter
= g_new0(struct bt_ctf_iter
, 1);
42 ret
= bt_iter_init(&iter
->parent
, ctx
, begin_pos
, end_pos
);
47 iter
->callbacks
= g_array_new(0, 1, sizeof(struct bt_stream_callbacks
));
48 iter
->recalculate_dep_graph
= 0;
49 iter
->main_callbacks
.callback
= NULL
;
50 iter
->dep_gc
= g_ptr_array_new();
54 void bt_ctf_iter_destroy(struct bt_ctf_iter
*iter
)
56 struct bt_stream_callbacks
*bt_stream_cb
;
57 struct bt_callback_chain
*bt_chain
;
60 /* free all events callbacks */
61 if (iter
->main_callbacks
.callback
)
62 g_array_free(iter
->main_callbacks
.callback
, TRUE
);
64 /* free per-event callbacks */
65 for (i
= 0; i
< iter
->callbacks
->len
; i
++) {
66 bt_stream_cb
= &g_array_index(iter
->callbacks
,
67 struct bt_stream_callbacks
, i
);
68 if (!bt_stream_cb
|| !bt_stream_cb
->per_id_callbacks
)
70 for (j
= 0; j
< bt_stream_cb
->per_id_callbacks
->len
; j
++) {
71 bt_chain
= &g_array_index(bt_stream_cb
->per_id_callbacks
,
72 struct bt_callback_chain
, j
);
73 if (bt_chain
->callback
) {
74 g_array_free(bt_chain
->callback
, TRUE
);
77 g_array_free(bt_stream_cb
->per_id_callbacks
, TRUE
);
80 bt_iter_fini(&iter
->parent
);
84 struct bt_iter
*bt_ctf_get_iter(struct bt_ctf_iter
*iter
)
89 struct bt_ctf_event
*bt_ctf_iter_read_event(struct bt_ctf_iter
*iter
)
91 struct ctf_file_stream
*file_stream
;
92 struct bt_ctf_event
*ret
= &iter
->current_ctf_event
;
94 file_stream
= heap_maximum(iter
->parent
.stream_heap
);
96 /* end of file for all streams */
99 ret
->stream
= &file_stream
->parent
;
100 ret
->event
= g_ptr_array_index(ret
->stream
->events_by_id
,
101 ret
->stream
->event_id
);
103 if (ret
->stream
->stream_id
> iter
->callbacks
->len
)
106 process_callbacks(iter
, ret
->stream
);
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