Add support for plugins written in Python

[babeltrace.git] / include / babeltrace / plugin / plugin-internal.h

diff --git a/include/babeltrace/plugin/plugin-internal.h b/include/babeltrace/plugin/plugin-internal.h
index 4f361d6d6d2931285565f81fe64cb637581f43e0..eb72e9445b9101d097a3738120971fd8006bc8d0 100644 (file)
--- a/include/babeltrace/plugin/plugin-internal.h
+++ b/include/babeltrace/plugin/plugin-internal.h
@@ -31,36 +31,116 @@
 #include <babeltrace/plugin/plugin-dev.h>
 #include <babeltrace/object-internal.h>
 #include <stdbool.h>
-#include <gmodule.h>
+#include <glib.h>
 
-struct bt_plugin_shared_lib_handle {
-       struct bt_object base;
-       GString *path;
-       GModule *module;
-
-       /* True if initialization function was called */
-       bool init_called;
-       bt_plugin_exit_func exit;
+enum bt_plugin_type {
+       BT_PLUGIN_TYPE_SO = 0,
+       BT_PLUGIN_TYPE_PYTHON = 1,
 };
 
 struct bt_plugin {
        struct bt_object base;
+       enum bt_plugin_type type;
        bool frozen;
 
-       /* Owned by this */
-       struct bt_plugin_shared_lib_handle *shared_lib_handle;
-
        /* Array of pointers to bt_component_class (owned by this) */
        GPtrArray *comp_classes;
 
-       /* Pointers to plugin's memory: do NOT free */
-       const struct __bt_plugin_descriptor *descriptor;
-       const char *name;
-       const char *author;
-       const char *license;
-       const char *description;
-       bt_plugin_init_func init;
-       const struct __bt_plugin_descriptor_version *version;
+       /* Info (owned by this) */
+       struct {
+               GString *path;
+               GString *name;
+               GString *author;
+               GString *license;
+               GString *description;
+               struct {
+                       unsigned int major;
+                       unsigned int minor;
+                       unsigned int patch;
+                       GString *extra;
+               } version;
+               bool path_set;
+               bool name_set;
+               bool author_set;
+               bool license_set;
+               bool description_set;
+               bool version_set;
+       } info;
+
+       /* Value depends on the specific plugin type */
+       void *spec_data;
 };
 
+BT_HIDDEN
+struct bt_plugin *bt_plugin_create_empty(enum bt_plugin_type type);
+
+static inline
+void bt_plugin_set_path(struct bt_plugin *plugin, const char *path)
+{
+       assert(plugin);
+       assert(path);
+       g_string_assign(plugin->info.path, path);
+       plugin->info.path_set = true;
+}
+
+static inline
+void bt_plugin_set_name(struct bt_plugin *plugin, const char *name)
+{
+       assert(plugin);
+       assert(name);
+       g_string_assign(plugin->info.name, name);
+       plugin->info.name_set = true;
+}
+
+static inline
+void bt_plugin_set_description(struct bt_plugin *plugin,
+               const char *description)
+{
+       assert(plugin);
+       assert(description);
+       g_string_assign(plugin->info.description, description);
+       plugin->info.description_set = true;
+}
+
+static inline
+void bt_plugin_set_author(struct bt_plugin *plugin, const char *author)
+{
+       assert(plugin);
+       assert(author);
+       g_string_assign(plugin->info.author, author);
+       plugin->info.author_set = true;
+}
+
+static inline
+void bt_plugin_set_license(struct bt_plugin *plugin, const char *license)
+{
+       assert(plugin);
+       assert(license);
+       g_string_assign(plugin->info.license, license);
+       plugin->info.license_set = true;
+}
+
+static inline
+void bt_plugin_set_version(struct bt_plugin *plugin, unsigned int major,
+               unsigned int minor, unsigned int patch, const char *extra)
+{
+       assert(plugin);
+       plugin->info.version.major = major;
+       plugin->info.version.minor = minor;
+       plugin->info.version.patch = patch;
+
+       if (extra) {
+               g_string_assign(plugin->info.version.extra, extra);
+       }
+
+       plugin->info.version_set = true;
+}
+
+static inline
+void bt_plugin_freeze(struct bt_plugin *plugin)
+{
+       assert(plugin);
+       plugin->frozen = true;
+}
+
 #endif /* BABELTRACE_PLUGIN_PLUGIN_INTERNAL_H */