Add ctf fs component skeleton

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>

diff --git a/plugins/ctf/fs/fs-internal.h b/plugins/ctf/fs/fs-internal.h
index 3f87bd0ea886e546de8aaf159a870d81a6e3a025..448fff2adeae1f6ee073a99eef4303290de377c4 100644 (file)
--- a/plugins/ctf/fs/fs-internal.h
+++ b/plugins/ctf/fs/fs-internal.h
@@ -30,12 +30,20 @@
 #include <babeltrace/babeltrace-internal.h>
 #include <babeltrace/plugin/component.h>
 
-#define FS_COMPONENT_NAME "ctf"
-#define FS_COMPONENT_DESCRIPTION \
+#define CTF_FS_COMPONENT_NAME "ctf"
+#define CTF_FS_COMPONENT_DESCRIPTION \
        "Component used to read a CTF trace located on a file system."
 
+struct ctf_fs_component_options {
+       bool opt_dummy : 1;
+};
+
+struct ctf_fs_component {
+       struct ctf_fs_component_options options;
+};
+
 BT_HIDDEN
-enum bt_component_status fs_init(struct bt_component *source,
+enum bt_component_status ctf_fs_init(struct bt_component *source,
                struct bt_value *params);
 
 #endif /* BABELTRACE_PLUGIN_CTF_FS_INTERNAL_H */

diff --git a/plugins/ctf/fs/fs.c b/plugins/ctf/fs/fs.c
index 1142691ed0e5b69a2d9867dc34d481b13a5d4bf4..3178c5c9da04714d661f72ec1a2b6e9d683ccf29 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 +26,69 @@
  * SOFTWARE.
  */
 
+#include <babeltrace/plugin/plugin-system.h>
+#include <glib.h>
+#include <assert.h>
 #include "fs-internal.h"
-#include <babeltrace/plugin/source.h>
+
+static bool ctf_fs_debug;
+
+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(void *data)
+{
+       g_free(data);
+}
 
 BT_HIDDEN
-enum bt_component_status fs_init(struct bt_component *component,
-               struct bt_value *params)
+enum bt_component_status ctf_fs_iterator_init(struct bt_component *source,
+               struct bt_notification_iterator *it)
 {
-       return BT_COMPONENT_STATUS_OK;
+       enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
+
+       assert(source && it);
+       return ret;
 }
 
+BT_HIDDEN
+enum bt_component_status ctf_fs_init(struct bt_component *source,
+                                struct bt_value *params)
+{
+       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(ctf_fs);
+       return ret;
+}

diff --git a/plugins/ctf/plugin.c b/plugins/ctf/plugin.c
index 16c2c5b6eaa13c08fdc5cc321b819bb880dae43b..ef6ed2fd9c42f3fac3adb39fc463d22ee7a67ae4 100644 (file)
--- a/plugins/ctf/plugin.c
+++ b/plugins/ctf/plugin.c
@@ -37,8 +37,8 @@ BT_PLUGIN_AUTHOR("Jérémie Galarneau");
 BT_PLUGIN_LICENSE("MIT");
 
 BT_PLUGIN_COMPONENT_CLASSES_BEGIN
-BT_PLUGIN_SOURCE_COMPONENT_CLASS_ENTRY(FS_COMPONENT_NAME,
-               FS_COMPONENT_DESCRIPTION, fs_init);
+BT_PLUGIN_SOURCE_COMPONENT_CLASS_ENTRY(CTF_FS_COMPONENT_NAME,
+               CTF_FS_COMPONENT_DESCRIPTION, ctf_fs_init);
 BT_PLUGIN_SOURCE_COMPONENT_CLASS_ENTRY(LTTNG_LIVE_COMPONENT_NAME,
                LTTNG_LIVE_COMPONENT_DESCRIPTION, lttng_live_init);
 BT_PLUGIN_COMPONENT_CLASSES_END