ctf.fs source: add trace file rotation (stream instance ID) support

[babeltrace.git] / plugins / ctf / fs-src / fs.h

diff --git a/plugins/ctf/fs-src/fs.h b/plugins/ctf/fs-src/fs.h
index 63b299a09288bae6187b3bd6eaf389628eb52cd2..02a5edfb53612731e6bdcd5bd448acba59ae0ccb 100644 (file)
--- a/plugins/ctf/fs-src/fs.h
+++ b/plugins/ctf/fs-src/fs.h
@@ -32,13 +32,13 @@
 #include <babeltrace/babeltrace-internal.h>
 #include <babeltrace/graph/component.h>
 #include <babeltrace/graph/clock-class-priority-map.h>
-#include "data-stream.h"
+#include "data-stream-file.h"
 
 BT_HIDDEN
 extern bool ctf_fs_debug;
 
 struct ctf_fs_file {
-       /* Weak */
+       /* Weak, belongs to component */
        struct ctf_fs_component *ctf_fs;
 
        /* Owned by this */
@@ -62,7 +62,12 @@ struct ctf_fs_metadata {
        int bo;
 };
 
-struct ctf_fs_stream {
+struct ctf_fs_ds_file_info {
+       GString *path;
+       uint64_t begin_ns;
+};
+
+struct ctf_fs_ds_file {
        /* Owned by this */
        struct ctf_fs_file *file;
 
@@ -100,7 +105,7 @@ struct ctf_fs_component_options {
 };
 
 struct ctf_fs_component {
-       /* Weak */
+       /* Weak, guaranteed to exist */
        struct bt_private_component *priv_comp;
 
        /* Array of struct ctf_fs_port_data *, owned by this */
@@ -115,7 +120,7 @@ struct ctf_fs_component {
 };
 
 struct ctf_fs_trace {
-       /* Weak */
+       /* Weak, belongs to component */
        struct ctf_fs_component *ctf_fs;
 
        /* Owned by this */
@@ -124,6 +129,9 @@ struct ctf_fs_trace {
        /* Owned by this */
        struct bt_clock_class_priority_map *cc_prio_map;
 
+       /* Array of struct ctf_fs_ds_file_group *, owned by this */
+       GPtrArray *ds_file_groups;
+
        /* Owned by this */
        GString *path;
 
@@ -131,14 +139,41 @@ struct ctf_fs_trace {
        GString *name;
 };
 
-struct ctf_fs_port_data {
+struct ctf_fs_ds_file_group {
+       /*
+        * Array of struct ctf_fs_ds_file_info, owned by this.
+        *
+        * This is an _ordered_ array of data stream file infos which
+        * belong to this group (a single stream instance).
+        *
+        * You can call ctf_fs_ds_file_create() with one of those paths
+        * and the CTF IR stream below.
+        */
+       GPtrArray *ds_file_infos;
+
        /* Owned by this */
-       GString *path;
+       struct bt_ctf_stream *stream;
 
-       /* Weak */
+       /* Weak, belongs to component */
        struct ctf_fs_trace *ctf_fs_trace;
 };
 
+struct ctf_fs_port_data {
+       /* Weak, belongs to ctf_fs_trace */
+       struct ctf_fs_ds_file_group *ds_file_group;
+};
+
+struct ctf_fs_notif_iter_data {
+       /* Weak, belongs to ctf_fs_trace */
+       struct ctf_fs_ds_file_group *ds_file_group;
+
+       /* Owned by this */
+       struct ctf_fs_ds_file *ds_file;
+
+       /* Which file the iterator is _currently_ operating on */
+       size_t ds_file_info_index;
+};
+
 BT_HIDDEN
 enum bt_component_status ctf_fs_init(struct bt_private_component *source,
                struct bt_value *params, void *init_method_data);