Accomodate component destructor API changes in text plugin

[babeltrace.git] / plugins / ctf / fs / fs.c

diff --git a/plugins/ctf/fs/fs.c b/plugins/ctf/fs/fs.c
index 1142691ed0e5b69a2d9867dc34d481b13a5d4bf4..cd58753aea240a5032a271e17cf57bf8900896e4 100644 (file)
--- a/plugins/ctf/fs/fs.c
+++ b/plugins/ctf/fs/fs.c
@@ -1,7 +1,7 @@
 /*
- * reader.c
+ * fs.c
  *
- * Babeltrace CTF Reader Component
+ * Babeltrace CTF file system Reader Component
  *
  * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
  *
@@ -26,14 +26,138 @@
  * SOFTWARE.
  */
 
+#include <babeltrace/plugin/plugin-system.h>
+#include <babeltrace/plugin/notification/iterator.h>
+#include <glib.h>
+#include <assert.h>
 #include "fs-internal.h"
-#include <babeltrace/plugin/source.h>
+
+static bool ctf_fs_debug;
+
+static
+struct bt_notification *ctf_fs_iterator_get(
+               struct bt_notification_iterator *iterator)
+{
+       return NULL;
+}
+
+static
+enum bt_notification_iterator_status ctf_fs_iterator_next(
+               struct bt_notification_iterator *iterator)
+{
+       return BT_NOTIFICATION_ITERATOR_STATUS_UNSUPPORTED;
+}
+
+static
+void ctf_fs_iterator_destroy_data(struct ctf_fs_iterator *ctf_it)
+{
+       g_free(ctf_it);
+}
+
+static
+void ctf_fs_iterator_destroy(struct bt_notification_iterator *it)
+{
+       void *data = bt_notification_iterator_get_private_data(it);
+
+       ctf_fs_iterator_destroy_data(data);
+}
+
+static
+enum bt_component_status ctf_fs_iterator_init(struct bt_component *source,
+               struct bt_notification_iterator *it)
+{
+       enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
+       struct ctf_fs_iterator *ctf_it;
+
+       assert(source && it);
+       ctf_it = g_new0(struct ctf_fs_iterator, 1);
+       if (!ctf_it) {
+               ret = BT_COMPONENT_STATUS_NOMEM;
+               goto end;
+       }
+
+       ret = bt_notification_iterator_set_get_cb(it, ctf_fs_iterator_get);
+       if (ret) {
+               goto error;
+       }
+
+       ret = bt_notification_iterator_set_next_cb(it, ctf_fs_iterator_next);
+       if (ret) {
+               goto error;
+       }
+
+       ret = bt_notification_iterator_set_destroy_cb(it,
+                       ctf_fs_iterator_destroy);
+       if (ret) {
+               goto error;
+       }
+
+       ret = bt_notification_iterator_set_private_data(it, ctf_it);
+       if (ret) {
+               goto error;
+       }
+end:
+       return ret;
+error:
+       (void) bt_notification_iterator_set_private_data(it, NULL);
+       ctf_fs_iterator_destroy_data(ctf_it);
+       return ret;
+}
+
+static
+struct ctf_fs_component *ctf_fs_create(struct bt_value *params)
+{
+       return g_new0(struct ctf_fs_component, 1);
+}
+
+static
+void ctf_fs_destroy_data(struct ctf_fs_component *component)
+{
+       g_free(component);
+}
+
+static
+void ctf_fs_destroy(struct bt_component *component)
+{
+       void *data = bt_component_get_private_data(component);
+
+       ctf_fs_destroy_data(data);
+}
 
 BT_HIDDEN
-enum bt_component_status fs_init(struct bt_component *component,
+enum bt_component_status ctf_fs_init(struct bt_component *source,
                struct bt_value *params)
 {
-       return BT_COMPONENT_STATUS_OK;
-}
+       struct ctf_fs_component *ctf_fs;
+       enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
+
+       assert(source);
+       ctf_fs_debug = g_strcmp0(getenv("CTF_FS_DEBUG"), "1") == 0;
+       ctf_fs = ctf_fs_create(params);
+       if (!ctf_fs) {
+               ret = BT_COMPONENT_STATUS_NOMEM;
+               goto end;
+       }
 
+       ret = bt_component_set_destroy_cb(source, ctf_fs_destroy);
+       if (ret != BT_COMPONENT_STATUS_OK) {
+               goto error;
+       }
 
+       ret = bt_component_set_private_data(source, ctf_fs);
+       if (ret != BT_COMPONENT_STATUS_OK) {
+               goto error;
+       }
+
+       ret = bt_component_source_set_iterator_init_cb(source,
+                       ctf_fs_iterator_init);
+       if (ret != BT_COMPONENT_STATUS_OK) {
+               goto error;
+       }
+end:
+       return ret;
+error:
+       (void) bt_component_set_private_data(source, NULL);
+        ctf_fs_destroy_data(ctf_fs);
+       return ret;
+}