/** No ownership taken */
FILE *error_stream;
- /* Plug-in implementation callbacks */
+ void *user_data;
+ bt_plugin_destroy_cb user_data_destroy;
bt_plugin_destroy_cb destroy;
};
+BT_HIDDEN
+enum bt_plugin_status bt_plugin_init(struct bt_plugin *plugin, const char *name,
+ void *user_data,bt_plugin_destroy_func destroy_func,
+ enum bt_plugin_type plugin_type,
+ bt_plugin_destroy_func plugin_destroy);
+
#ifdef __cplusplus
}
#endif
extern void *bt_plugin_get_private_data(struct bt_plugin *plugin);
-/* Plug-in initialization functions */
+/** Plug-in initialization functions */
/**
* Allocate a source plug-in.
*
bt_plugin_sink_handle_notification_cb notification_cb);
-/* Notification iterator functions */
+/** Notification iterator functions */
/**
* Allocate a notification iterator.
*
+#ifndef BABELTRACE_PLUGIN_SOURCE_INTERNAL_H
+#define BABELTRACE_PLUGIN_SOURCE_INTERNAL_H
+
+/*
+ * BabelTrace - Source Plug-in internal
+ *
+ * Copyright 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <babeltrace/babeltrace-internal.h>
+#include <babeltrace/plugin/plugin-internal.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct bt_plugin_source {
+ struct bt_plugin parent;
+
+ /* Plug-in implementation callbacks */
+ bt_plugin_source_iterator_create_func create_iterator;
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* BABELTRACE_PLUGIN_SOURCE_INTERNAL_H */
return;
}
- bt_ctf_ref_put(&plugin->ref_count);
+ bt_ctf_ref_put(&plugin->ref_count, bt_plugin_destroy);
+}
+
+BT_HIDDEN
+enum bt_plugin_status bt_plugin_init(struct bt_plugin *plugin, const char *name,
+ void *user_data, bt_plugin_destroy_func user_destroy_func,
+ enum bt_plugin_type plugin_type,
+ bt_plugin_destroy_func plugin_destroy)
+{
+ enum bt_plugin_status ret = BT_PLUGIN_STATUS_OK;
+
+ if (!plugin || !name || name[0] == '\0' ||
+ !destroy_func || !private_data) {
+ ret = BT_PLUGIN_STATUS_INVAL;
+ goto end;
+ }
+
+ bt_ctf_ref_init(&plugin->ref_count);
+ plugin->type = plugin_type;
+ plugin->user_data = user_data;
+ plugin->user_data_destroy = user_destroy_func;
+ plugin->destroy = plugin_destroy;
+
+ plugin->name = g_string_new(name);
+ if (!plugin->name) {
+ ret = BT_PLUGIN_STATUS_NOMEM;
+ goto end;
+ }
+end:
+ return ret;
+}
+
+static
+void bt_plugin_destroy(struct bt_ctf_ref *ref)
+{
+ struct bt_ctf_plugin *plugin = NULL;
+
+ if (!ref) {
+ return;
+ }
+
+ plugin = container_of(ref, struct bt_plugin, parent);
+
+ /**
+ * Destroy user data, base and source/filter/sink last since
+ * it will deallocate the plugin.
+ */
+ assert(plugin->user_destroy_func);
+ plugin->user_destroy_func(plugin->user_data);
+
+ g_string_free(plugin->name, TRUE);
+
+ assert(plugin->destroy);
+ plugin->destroy(plugin);
}
+/*
+ * source.c
+ *
+ * Babeltrace Source Plugin
+ *
+ * Copyright 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <babeltrace/plugin/source-internal.h>
+#include <babeltrace/plugin/plugin-internal.h>
+
+static
+void bt_plugin_source_destroy(struct bt_plugin *plugin)
+{
+ struct bt_plugin_source *source;
+
+ if (!plugin) {
+ return;
+ }
+
+ source = container_of(plugin, struct bt_plugin_source, parent);
+ g_free(source);
+}
+
+struct bt_plugin *bt_plugin_source_create(const char *name,
+ void *private_data, bt_plugin_destroy_func destroy_func,
+ bt_plugin_source_iterator_create_cb iterator_create_cb)
+{
+ struct bt_plugin_source *source = NULL;
+ enum bt_plugin_status ret;
+
+ if (!iterator_create_cb) {
+ goto end;
+ }
+
+ source = g_new0(struct bt_plugin_source, 1);
+ if (!source) {
+ goto end;
+ }
+
+ ret = bt_plugin_init(&source->parent, name, private_data,
+ destroy_func, BT_PLUGIN_TYPE_SOURCE, bt_plugin_source_destroy);
+ if (ret != BT_PLUGIN_STATUS_OK) {
+ g_free(source);
+ source = NULL;
+ goto end;
+ }
+
+ source->create_iterator = iterator_create_cb;
+end:
+ return source ? &source->parent : NULL;
+}
projects / babeltrace.git / commitdiff
